diff --git a/angular.json b/angular.json
index 8be9cbd..5d502fd 100644
--- a/angular.json
+++ b/angular.json
@@ -29,7 +29,9 @@
"styles": [
"src/styles.scss"
],
- "scripts": []
+ "scripts": [
+ "node_modules/jquery/dist/jquery.min.js"
+ ]
},
"configurations": {
"production": {
diff --git a/dist/ngx-flowchart/bundles/ngx-flowchart.umd.js b/dist/ngx-flowchart/bundles/ngx-flowchart.umd.js
index 126b0be..d08384a 100644
--- a/dist/ngx-flowchart/bundles/ngx-flowchart.umd.js
+++ b/dist/ngx-flowchart/bundles/ngx-flowchart.umd.js
@@ -1,73 +1,4526 @@
(function (global, factory) {
- typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core')) :
- typeof define === 'function' && define.amd ? define('ngx-flowchart', ['exports', '@angular/core'], factory) :
- (global = global || self, factory(global['ngx-flowchart'] = {}, global.ng.core));
-}(this, (function (exports, core) { 'use strict';
+ typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('rxjs'), require('@angular/common')) :
+ typeof define === 'function' && define.amd ? define('ngx-flowchart', ['exports', '@angular/core', 'rxjs', '@angular/common'], factory) :
+ (global = global || self, factory(global['ngx-flowchart'] = {}, global.ng.core, global.rxjs, global.ng.common));
+}(this, (function (exports, core, rxjs, common) { 'use strict';
+
+ /*! *****************************************************************************
+ Copyright (c) Microsoft Corporation. All rights reserved.
+ Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ this file except in compliance with the License. You may obtain a copy of the
+ License at http://www.apache.org/licenses/LICENSE-2.0
+
+ THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+ WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+ MERCHANTABLITY OR NON-INFRINGEMENT.
+
+ See the Apache Version 2.0 License for specific language governing permissions
+ and limitations under the License.
+ ***************************************************************************** */
+ /* global Reflect, Promise */
+
+ var extendStatics = function(d, b) {
+ extendStatics = Object.setPrototypeOf ||
+ ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+ function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+ return extendStatics(d, b);
+ };
+
+ function __extends(d, b) {
+ extendStatics(d, b);
+ function __() { this.constructor = d; }
+ d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+ }
+
+ var __assign = function() {
+ __assign = Object.assign || function __assign(t) {
+ for (var s, i = 1, n = arguments.length; i < n; i++) {
+ s = arguments[i];
+ for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
+ }
+ return t;
+ };
+ return __assign.apply(this, arguments);
+ };
+
+ function __rest(s, e) {
+ var t = {};
+ for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
+ t[p] = s[p];
+ if (s != null && typeof Object.getOwnPropertySymbols === "function")
+ for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
+ if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
+ t[p[i]] = s[p[i]];
+ }
+ return t;
+ }
+
+ function __decorate(decorators, target, key, desc) {
+ var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
+ if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
+ else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
+ return c > 3 && r && Object.defineProperty(target, key, r), r;
+ }
+
+ function __param(paramIndex, decorator) {
+ return function (target, key) { decorator(target, key, paramIndex); }
+ }
+
+ function __metadata(metadataKey, metadataValue) {
+ if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(metadataKey, metadataValue);
+ }
+
+ function __awaiter(thisArg, _arguments, P, generator) {
+ return new (P || (P = Promise))(function (resolve, reject) {
+ function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+ function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+ function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
+ step((generator = generator.apply(thisArg, _arguments || [])).next());
+ });
+ }
+
+ function __generator(thisArg, body) {
+ var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
+ return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
+ function verb(n) { return function (v) { return step([n, v]); }; }
+ function step(op) {
+ if (f) throw new TypeError("Generator is already executing.");
+ while (_) try {
+ if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
+ if (y = 0, t) op = [op[0] & 2, t.value];
+ switch (op[0]) {
+ case 0: case 1: t = op; break;
+ case 4: _.label++; return { value: op[1], done: false };
+ case 5: _.label++; y = op[1]; op = [0]; continue;
+ case 7: op = _.ops.pop(); _.trys.pop(); continue;
+ default:
+ if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
+ if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
+ if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
+ if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
+ if (t[2]) _.ops.pop();
+ _.trys.pop(); continue;
+ }
+ op = body.call(thisArg, _);
+ } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
+ if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
+ }
+ }
+
+ function __exportStar(m, exports) {
+ for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+ }
+
+ function __values(o) {
+ var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;
+ if (m) return m.call(o);
+ return {
+ next: function () {
+ if (o && i >= o.length) o = void 0;
+ return { value: o && o[i++], done: !o };
+ }
+ };
+ }
+
+ function __read(o, n) {
+ var m = typeof Symbol === "function" && o[Symbol.iterator];
+ if (!m) return o;
+ var i = m.call(o), r, ar = [], e;
+ try {
+ while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
+ }
+ catch (error) { e = { error: error }; }
+ finally {
+ try {
+ if (r && !r.done && (m = i["return"])) m.call(i);
+ }
+ finally { if (e) throw e.error; }
+ }
+ return ar;
+ }
+
+ function __spread() {
+ for (var ar = [], i = 0; i < arguments.length; i++)
+ ar = ar.concat(__read(arguments[i]));
+ return ar;
+ }
+
+ function __spreadArrays() {
+ for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
+ for (var r = Array(s), k = 0, i = 0; i < il; i++)
+ for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
+ r[k] = a[j];
+ return r;
+ };
+
+ function __await(v) {
+ return this instanceof __await ? (this.v = v, this) : new __await(v);
+ }
+
+ function __asyncGenerator(thisArg, _arguments, generator) {
+ if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
+ var g = generator.apply(thisArg, _arguments || []), i, q = [];
+ return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;
+ function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }
+ function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }
+ function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
+ function fulfill(value) { resume("next", value); }
+ function reject(value) { resume("throw", value); }
+ function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }
+ }
+
+ function __asyncDelegator(o) {
+ var i, p;
+ return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;
+ function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; } : f; }
+ }
+
+ function __asyncValues(o) {
+ if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
+ var m = o[Symbol.asyncIterator], i;
+ return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
+ function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
+ function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
+ }
+
+ function __makeTemplateObject(cooked, raw) {
+ if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
+ return cooked;
+ };
+
+ function __importStar(mod) {
+ if (mod && mod.__esModule) return mod;
+ var result = {};
+ if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
+ result.default = mod;
+ return result;
+ }
+
+ function __importDefault(mod) {
+ return (mod && mod.__esModule) ? mod : { default: mod };
+ }
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ /** @type {?} */
+ var FC_NODE_COMPONENT_CONFIG = new core.InjectionToken('fc-node.component.config');
+ /**
+ * @record
+ */
+ function FcNodeComponentConfig() { }
+ if (false) {
+ /** @type {?} */
+ FcNodeComponentConfig.prototype.nodeComponentType;
+ }
+ /** @type {?} */
+ var htmlPrefix = 'fc';
+ /** @type {?} */
+ var leftConnectorType = 'leftConnector';
+ /** @type {?} */
+ var rightConnectorType = 'rightConnector';
+ /** @type {?} */
+ var FlowchartConstants = {
+ htmlPrefix: htmlPrefix,
+ leftConnectorType: leftConnectorType,
+ rightConnectorType: rightConnectorType,
+ curvedStyle: 'curved',
+ lineStyle: 'line',
+ dragAnimationRepaint: 'repaint',
+ dragAnimationShadow: 'shadow',
+ canvasClass: htmlPrefix + '-canvas',
+ selectedClass: htmlPrefix + '-selected',
+ editClass: htmlPrefix + '-edit',
+ activeClass: htmlPrefix + '-active',
+ hoverClass: htmlPrefix + '-hover',
+ draggingClass: htmlPrefix + '-dragging',
+ edgeClass: htmlPrefix + '-edge',
+ edgeLabelClass: htmlPrefix + '-edge-label',
+ connectorClass: htmlPrefix + '-connector',
+ magnetClass: htmlPrefix + '-magnet',
+ nodeClass: htmlPrefix + '-node',
+ nodeOverlayClass: htmlPrefix + '-node-overlay',
+ leftConnectorClass: htmlPrefix + '-' + leftConnectorType + 's',
+ rightConnectorClass: htmlPrefix + '-' + rightConnectorType + 's',
+ canvasResizeThreshold: 200,
+ canvasResizeStep: 200
+ };
+ /**
+ * @record
+ */
+ function FcCoords() { }
+ if (false) {
+ /** @type {?|undefined} */
+ FcCoords.prototype.x;
+ /** @type {?|undefined} */
+ FcCoords.prototype.y;
+ }
+ /**
+ * @record
+ */
+ function FcOffset() { }
+ if (false) {
+ /** @type {?} */
+ FcOffset.prototype.top;
+ /** @type {?} */
+ FcOffset.prototype.left;
+ }
+ /**
+ * @record
+ */
+ function FcRectBox() { }
+ if (false) {
+ /** @type {?} */
+ FcRectBox.prototype.top;
+ /** @type {?} */
+ FcRectBox.prototype.left;
+ /** @type {?} */
+ FcRectBox.prototype.right;
+ /** @type {?} */
+ FcRectBox.prototype.bottom;
+ }
+ /**
+ * @record
+ */
+ function FcConnector() { }
+ if (false) {
+ /** @type {?} */
+ FcConnector.prototype.id;
+ /** @type {?} */
+ FcConnector.prototype.type;
+ }
+ /**
+ * @record
+ */
+ function FcNode() { }
+ if (false) {
+ /** @type {?} */
+ FcNode.prototype.id;
+ /** @type {?} */
+ FcNode.prototype.name;
+ /** @type {?} */
+ FcNode.prototype.connectors;
+ /** @type {?|undefined} */
+ FcNode.prototype.readonly;
+ /* Skipping unhandled member: [key: string]: any;*/
+ }
+ /**
+ * @record
+ */
+ function FcEdge() { }
+ if (false) {
+ /** @type {?|undefined} */
+ FcEdge.prototype.label;
+ /** @type {?|undefined} */
+ FcEdge.prototype.source;
+ /** @type {?|undefined} */
+ FcEdge.prototype.destination;
+ /** @type {?|undefined} */
+ FcEdge.prototype.active;
+ }
+ /**
+ * @record
+ */
+ function FcItemInfo() { }
+ if (false) {
+ /** @type {?|undefined} */
+ FcItemInfo.prototype.node;
+ /** @type {?|undefined} */
+ FcItemInfo.prototype.edge;
+ }
+ /**
+ * @record
+ */
+ function FcModel() { }
+ if (false) {
+ /** @type {?} */
+ FcModel.prototype.nodes;
+ /** @type {?} */
+ FcModel.prototype.edges;
+ }
+ /**
+ * @record
+ */
+ function UserCallbacks() { }
+ if (false) {
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.dropNode;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.createEdge;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeAdded;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.nodeRemoved;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeRemoved;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeDoubleClick;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeMouseOver;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.isValidEdge;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeEdit;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.nodeCallbacks;
+ }
+ /**
+ * @record
+ */
+ function UserNodeCallbacks() { }
+ if (false) {
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.nodeEdit;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.doubleClick;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseDown;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseEnter;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseLeave;
+ }
+ /**
+ * @record
+ */
+ function FcCallbacks() { }
+ if (false) {
+ /** @type {?} */
+ FcCallbacks.prototype.nodeDragstart;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeDragend;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragstart;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragend;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDrop;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragoverConnector;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragoverMagnet;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragleaveMagnet;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeMouseOver;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeMouseOut;
+ /** @type {?} */
+ FcCallbacks.prototype.connectorMouseEnter;
+ /** @type {?} */
+ FcCallbacks.prototype.connectorMouseLeave;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeClicked;
+ }
+ /**
+ * @record
+ */
+ function FcAdjacentList() { }
+ var ModelvalidationError = /** @class */ (function (_super) {
+ __extends(ModelvalidationError, _super);
+ function ModelvalidationError(message) {
+ return _super.call(this, message) || this;
+ }
+ return ModelvalidationError;
+ }(Error));
+ /**
+ * @param {?} graph
+ * @return {?}
+ */
+ function fcTopSort(graph) {
+ var e_1, _a, e_2, _b;
+ /** @type {?} */
+ var adjacentList = {};
+ graph.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ adjacentList[node.id] = { incoming: 0, outgoing: [] };
+ }));
+ graph.edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var sourceNode = graph.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.id === edge.source;
+ }));
+ }))[0];
+ /** @type {?} */
+ var destinationNode = graph.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.id === edge.destination;
+ }));
+ }))[0];
+ adjacentList[sourceNode.id].outgoing.push(destinationNode.id);
+ adjacentList[destinationNode.id].incoming++;
+ }));
+ /** @type {?} */
+ var orderedNodes = [];
+ /** @type {?} */
+ var sourceNodes = [];
+ try {
+ for (var _c = __values(Object.keys(adjacentList)), _d = _c.next(); !_d.done; _d = _c.next()) {
+ var node = _d.value;
+ /** @type {?} */
+ var edges = adjacentList[node];
+ if (edges.incoming === 0) {
+ sourceNodes.push(node);
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ while (sourceNodes.length !== 0) {
+ /** @type {?} */
+ var sourceNode = sourceNodes.pop();
+ for (var i = 0; i < adjacentList[sourceNode].outgoing.length; i++) {
+ /** @type {?} */
+ var destinationNode = adjacentList[sourceNode].outgoing[i];
+ adjacentList[destinationNode].incoming--;
+ if (adjacentList[destinationNode].incoming === 0) {
+ sourceNodes.push(destinationNode);
+ }
+ adjacentList[sourceNode].outgoing.splice(i, 1);
+ i--;
+ }
+ orderedNodes.push(sourceNode);
+ }
+ /** @type {?} */
+ var hasEdges = false;
+ try {
+ for (var _e = __values(Object.keys(adjacentList)), _f = _e.next(); !_f.done; _f = _e.next()) {
+ var node = _f.value;
+ /** @type {?} */
+ var edges = adjacentList[node];
+ if (edges.incoming !== 0) {
+ hasEdges = true;
+ }
+ }
+ }
+ catch (e_2_1) { e_2 = { error: e_2_1 }; }
+ finally {
+ try {
+ if (_f && !_f.done && (_b = _e.return)) _b.call(_e);
+ }
+ finally { if (e_2) throw e_2.error; }
+ }
+ if (hasEdges) {
+ return null;
+ }
+ else {
+ return orderedNodes;
+ }
+ }
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ var FcModelService = /** @class */ (function () {
+ function FcModelService(modelValidation, model, cd, selectedObjects, dropNode, createEdge, edgeAddedCallback, nodeRemovedCallback, edgeRemovedCallback, canvasHtmlElement, svgHtmlElement) {
+ this.connectorsHtmlElements = {};
+ this.nodesHtmlElements = {};
+ this.canvasHtmlElement = null;
+ this.dragImage = null;
+ this.svgHtmlElement = null;
+ this.modelValidation = modelValidation;
+ this.model = model;
+ this.cd = cd;
+ this.canvasHtmlElement = canvasHtmlElement;
+ this.svgHtmlElement = svgHtmlElement;
+ this.modelValidation.validateModel(this.model);
+ this.selectedObjects = selectedObjects;
+ this.dropNode = dropNode || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.createEdge = createEdge || ((/**
+ * @return {?}
+ */
+ function () { return rxjs.of({ label: 'label' }); }));
+ this.edgeAddedCallback = edgeAddedCallback || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.nodeRemovedCallback = nodeRemovedCallback || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.edgeRemovedCallback = edgeRemovedCallback || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.connectors = new ConnectorsModel(this);
+ this.nodes = new NodesModel(this);
+ this.edges = new EdgesModel(this);
+ }
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.detectChanges = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ setTimeout((/**
+ * @return {?}
+ */
+ function () {
+ _this.cd.detectChanges();
+ }), 0);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.selectObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ if (this.isEditable()) {
+ if (this.selectedObjects.indexOf(object) === -1) {
+ this.selectedObjects.push(object);
+ }
+ }
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.deselectObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ if (this.isEditable()) {
+ /** @type {?} */
+ var index = this.selectedObjects.indexOf(object);
+ if (index === -1) {
+ throw new Error('Tried to deselect an unselected object');
+ }
+ this.selectedObjects.splice(index, 1);
+ }
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.toggleSelectedObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ if (this.isSelectedObject(object)) {
+ this.deselectObject(object);
+ }
+ else {
+ this.selectObject(object);
+ }
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.isSelectedObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.selectedObjects.indexOf(object) !== -1;
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.selectAll = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ this.model.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ if (!node.readonly) {
+ _this.nodes.select(node);
+ }
+ }));
+ this.model.edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ _this.edges.select(edge);
+ }));
+ this.detectChanges();
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.deselectAll = /**
+ * @return {?}
+ */
+ function () {
+ this.selectedObjects.splice(0, this.selectedObjects.length);
+ this.detectChanges();
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.isEditObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.selectedObjects.length === 1 &&
+ this.selectedObjects.indexOf(object) !== -1;
+ };
+ /**
+ * @private
+ * @param {?} x
+ * @param {?} y
+ * @param {?} rectBox
+ * @return {?}
+ */
+ FcModelService.prototype.inRectBox = /**
+ * @private
+ * @param {?} x
+ * @param {?} y
+ * @param {?} rectBox
+ * @return {?}
+ */
+ function (x, y, rectBox) {
+ return x >= rectBox.left && x <= rectBox.right &&
+ y >= rectBox.top && y <= rectBox.bottom;
+ };
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ FcModelService.prototype.getItemInfoAtPoint = /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ function (x, y) {
+ return {
+ node: this.getNodeAtPoint(x, y),
+ edge: this.getEdgeAtPoint(x, y)
+ };
+ };
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ FcModelService.prototype.getNodeAtPoint = /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ function (x, y) {
+ var e_1, _a;
+ try {
+ for (var _b = __values(this.model.nodes), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var node = _c.value;
+ /** @type {?} */
+ var element = this.nodes.getHtmlElement(node.id);
+ /** @type {?} */
+ var nodeElementBox = element.getBoundingClientRect();
+ if (x >= nodeElementBox.left && x <= nodeElementBox.right
+ && y >= nodeElementBox.top && y <= nodeElementBox.bottom) {
+ return node;
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ return null;
+ };
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ FcModelService.prototype.getEdgeAtPoint = /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ function (x, y) {
+ /** @type {?} */
+ var element = document.elementFromPoint(x, y);
+ /** @type {?} */
+ var id = element.id;
+ /** @type {?} */
+ var edgeIndex = -1;
+ if (id) {
+ if (id.startsWith('fc-edge-path-')) {
+ edgeIndex = Number(id.substring('fc-edge-path-'.length));
+ }
+ else if (id.startsWith('fc-edge-label-')) {
+ edgeIndex = Number(id.substring('fc-edge-label-'.length));
+ }
+ }
+ if (edgeIndex > -1) {
+ return this.model.edges[edgeIndex];
+ }
+ return null;
+ };
+ /**
+ * @param {?} rectBox
+ * @return {?}
+ */
+ FcModelService.prototype.selectAllInRect = /**
+ * @param {?} rectBox
+ * @return {?}
+ */
+ function (rectBox) {
+ var _this = this;
+ this.model.nodes.forEach((/**
+ * @param {?} value
+ * @return {?}
+ */
+ function (value) {
+ /** @type {?} */
+ var element = _this.nodes.getHtmlElement(value.id);
+ /** @type {?} */
+ var nodeElementBox = element.getBoundingClientRect();
+ if (!value.readonly) {
+ /** @type {?} */
+ var x = nodeElementBox.left + nodeElementBox.width / 2;
+ /** @type {?} */
+ var y = nodeElementBox.top + nodeElementBox.height / 2;
+ if (_this.inRectBox(x, y, rectBox)) {
+ _this.nodes.select(value);
+ }
+ else {
+ if (_this.nodes.isSelected(value)) {
+ _this.nodes.deselect(value);
+ }
+ }
+ }
+ }));
+ /** @type {?} */
+ var canvasElementBox = this.canvasHtmlElement.getBoundingClientRect();
+ this.model.edges.forEach((/**
+ * @param {?} value
+ * @return {?}
+ */
+ function (value) {
+ /** @type {?} */
+ var start = _this.edges.sourceCoord(value);
+ /** @type {?} */
+ var end = _this.edges.destCoord(value);
+ /** @type {?} */
+ var x = (start.x + end.x) / 2 + canvasElementBox.left;
+ /** @type {?} */
+ var y = (start.y + end.y) / 2 + canvasElementBox.top;
+ if (_this.inRectBox(x, y, rectBox)) {
+ _this.edges.select(value);
+ }
+ else {
+ if (_this.edges.isSelected(value)) {
+ _this.edges.deselect(value);
+ }
+ }
+ }));
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.deleteSelected = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ /** @type {?} */
+ var edgesToDelete = this.edges.getSelectedEdges();
+ edgesToDelete.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ _this.edges.delete(edge);
+ }));
+ /** @type {?} */
+ var nodesToDelete = this.nodes.getSelectedNodes();
+ nodesToDelete.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ _this.nodes.delete(node);
+ }));
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.isEditable = /**
+ * @return {?}
+ */
+ function () {
+ return this.dropTargetId === undefined;
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.isDropSource = /**
+ * @return {?}
+ */
+ function () {
+ return this.dropTargetId !== undefined;
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.getDragImage = /**
+ * @return {?}
+ */
+ function () {
+ if (!this.dragImage) {
+ this.dragImage = new Image();
+ this.dragImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
+ this.dragImage.style.visibility = 'hidden';
+ }
+ return this.dragImage;
+ };
+ /**
+ * @param {?} edgeAddedCallback
+ * @param {?} nodeRemovedCallback
+ * @param {?} edgeRemovedCallback
+ * @return {?}
+ */
+ FcModelService.prototype.registerCallbacks = /**
+ * @param {?} edgeAddedCallback
+ * @param {?} nodeRemovedCallback
+ * @param {?} edgeRemovedCallback
+ * @return {?}
+ */
+ function (edgeAddedCallback, nodeRemovedCallback, edgeRemovedCallback) {
+ this.edgeAddedCallback = edgeAddedCallback;
+ this.nodeRemovedCallback = nodeRemovedCallback;
+ this.edgeRemovedCallback = edgeRemovedCallback;
+ };
+ return FcModelService;
+ }());
+ if (false) {
+ /** @type {?} */
+ FcModelService.prototype.modelValidation;
+ /** @type {?} */
+ FcModelService.prototype.model;
+ /** @type {?} */
+ FcModelService.prototype.cd;
+ /** @type {?} */
+ FcModelService.prototype.selectedObjects;
+ /** @type {?} */
+ FcModelService.prototype.connectorsHtmlElements;
+ /** @type {?} */
+ FcModelService.prototype.nodesHtmlElements;
+ /** @type {?} */
+ FcModelService.prototype.canvasHtmlElement;
+ /** @type {?} */
+ FcModelService.prototype.dragImage;
+ /** @type {?} */
+ FcModelService.prototype.svgHtmlElement;
+ /** @type {?} */
+ FcModelService.prototype.dropNode;
+ /** @type {?} */
+ FcModelService.prototype.createEdge;
+ /** @type {?} */
+ FcModelService.prototype.edgeAddedCallback;
+ /** @type {?} */
+ FcModelService.prototype.nodeRemovedCallback;
+ /** @type {?} */
+ FcModelService.prototype.edgeRemovedCallback;
+ /** @type {?} */
+ FcModelService.prototype.dropTargetId;
+ /** @type {?} */
+ FcModelService.prototype.connectors;
+ /** @type {?} */
+ FcModelService.prototype.nodes;
+ /** @type {?} */
+ FcModelService.prototype.edges;
+ }
+ /**
+ * @record
+ */
+ function HtmlElementMap() { }
+ /**
+ * @abstract
+ * @template T
+ */
+ var /**
+ * @abstract
+ * @template T
+ */
+ AbstractFcModel = /** @class */ (function () {
+ function AbstractFcModel(modelService) {
+ this.modelService = modelService;
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.select = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ this.modelService.selectObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.deselect = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ this.modelService.deselectObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.toggleSelected = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ this.modelService.toggleSelectedObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.isSelected = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.modelService.isSelectedObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.isEdit = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.modelService.isEditObject(object);
+ };
+ return AbstractFcModel;
+ }());
+ if (false) {
+ /** @type {?} */
+ AbstractFcModel.prototype.modelService;
+ }
+ var ConnectorsModel = /** @class */ (function (_super) {
+ __extends(ConnectorsModel, _super);
+ function ConnectorsModel(modelService) {
+ return _super.call(this, modelService) || this;
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getConnector = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ var e_2, _a, e_3, _b;
+ /** @type {?} */
+ var model = this.modelService.model;
+ try {
+ for (var _c = __values(model.nodes), _d = _c.next(); !_d.done; _d = _c.next()) {
+ var node = _d.value;
+ try {
+ for (var _e = (e_3 = void 0, __values(node.connectors)), _f = _e.next(); !_f.done; _f = _e.next()) {
+ var connector = _f.value;
+ if (connector.id === connectorId) {
+ return connector;
+ }
+ }
+ }
+ catch (e_3_1) { e_3 = { error: e_3_1 }; }
+ finally {
+ try {
+ if (_f && !_f.done && (_b = _e.return)) _b.call(_e);
+ }
+ finally { if (e_3) throw e_3.error; }
+ }
+ }
+ }
+ catch (e_2_1) { e_2 = { error: e_2_1 }; }
+ finally {
+ try {
+ if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
+ }
+ finally { if (e_2) throw e_2.error; }
+ }
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getHtmlElement = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ return this.modelService.connectorsHtmlElements[connectorId];
+ };
+ /**
+ * @param {?} connectorId
+ * @param {?} element
+ * @return {?}
+ */
+ ConnectorsModel.prototype.setHtmlElement = /**
+ * @param {?} connectorId
+ * @param {?} element
+ * @return {?}
+ */
+ function (connectorId, element) {
+ this.modelService.connectorsHtmlElements[connectorId] = element;
+ this.modelService.detectChanges();
+ };
+ /**
+ * @private
+ * @param {?} connectorId
+ * @param {?=} centered
+ * @return {?}
+ */
+ ConnectorsModel.prototype._getCoords = /**
+ * @private
+ * @param {?} connectorId
+ * @param {?=} centered
+ * @return {?}
+ */
+ function (connectorId, centered) {
+ /** @type {?} */
+ var element = this.getHtmlElement(connectorId);
+ /** @type {?} */
+ var canvas = this.modelService.canvasHtmlElement;
+ if (element === null || element === undefined || canvas === null) {
+ return { x: 0, y: 0 };
+ }
+ /** @type {?} */
+ var connectorElementBox = element.getBoundingClientRect();
+ /** @type {?} */
+ var canvasElementBox = canvas.getBoundingClientRect();
+ /** @type {?} */
+ var coords = {
+ x: connectorElementBox.left - canvasElementBox.left,
+ y: connectorElementBox.top - canvasElementBox.top
+ };
+ if (centered) {
+ coords = {
+ x: Math.round(coords.x + element.offsetWidth / 2),
+ y: Math.round(coords.y + element.offsetHeight / 2)
+ };
+ }
+ return coords;
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getCoords = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ return this._getCoords(connectorId, false);
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getCenteredCoord = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ return this._getCoords(connectorId, true);
+ };
+ return ConnectorsModel;
+ }(AbstractFcModel));
+ var NodesModel = /** @class */ (function (_super) {
+ __extends(NodesModel, _super);
+ function NodesModel(modelService) {
+ return _super.call(this, modelService) || this;
+ }
+ /**
+ * @param {?} node
+ * @param {?} type
+ * @return {?}
+ */
+ NodesModel.prototype.getConnectorsByType = /**
+ * @param {?} node
+ * @param {?} type
+ * @return {?}
+ */
+ function (node, type) {
+ return node.connectors.filter((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.type === type;
+ }));
+ };
+ /**
+ * @private
+ * @param {?} node
+ * @param {?} connector
+ * @return {?}
+ */
+ NodesModel.prototype._addConnector = /**
+ * @private
+ * @param {?} node
+ * @param {?} connector
+ * @return {?}
+ */
+ function (node, connector) {
+ node.connectors.push(connector);
+ try {
+ this.modelService.modelValidation.validateNode(node);
+ }
+ catch (error) {
+ node.connectors.splice(node.connectors.indexOf(connector), 1);
+ throw error;
+ }
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ NodesModel.prototype.delete = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ if (this.isSelected(node)) {
+ this.deselect(node);
+ }
+ /** @type {?} */
+ var model = this.modelService.model;
+ /** @type {?} */
+ var index = model.nodes.indexOf(node);
+ if (index === -1) {
+ if (node === undefined) {
+ throw new Error('Passed undefined');
+ }
+ throw new Error('Tried to delete not existing node');
+ }
+ /** @type {?} */
+ var connectorIds = this.getConnectorIds(node);
+ for (var i = 0; i < model.edges.length; i++) {
+ /** @type {?} */
+ var edge = model.edges[i];
+ if (connectorIds.indexOf(edge.source) !== -1 || connectorIds.indexOf(edge.destination) !== -1) {
+ this.modelService.edges.delete(edge);
+ i--;
+ }
+ }
+ model.nodes.splice(index, 1);
+ this.modelService.nodeRemovedCallback(node);
+ };
+ /**
+ * @return {?}
+ */
+ NodesModel.prototype.getSelectedNodes = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ /** @type {?} */
+ var model = this.modelService.model;
+ return model.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return _this.modelService.nodes.isSelected(node);
+ }));
+ };
+ /**
+ * @param {?} node
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ NodesModel.prototype.handleClicked = /**
+ * @param {?} node
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ function (node, ctrlKey) {
+ if (ctrlKey) {
+ this.modelService.nodes.toggleSelected(node);
+ }
+ else {
+ this.modelService.deselectAll();
+ this.modelService.nodes.select(node);
+ }
+ };
+ /**
+ * @private
+ * @param {?} node
+ * @return {?}
+ */
+ NodesModel.prototype._addNode = /**
+ * @private
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ /** @type {?} */
+ var model = this.modelService.model;
+ try {
+ model.nodes.push(node);
+ this.modelService.modelValidation.validateNodes(model.nodes);
+ }
+ catch (error) {
+ model.nodes.splice(model.nodes.indexOf(node), 1);
+ throw error;
+ }
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ NodesModel.prototype.getConnectorIds = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return node.connectors.map((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.id;
+ }));
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ NodesModel.prototype.getNodeByConnectorId = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ var e_4, _a;
+ /** @type {?} */
+ var model = this.modelService.model;
+ try {
+ for (var _b = __values(model.nodes), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var node = _c.value;
+ /** @type {?} */
+ var connectorIds = this.getConnectorIds(node);
+ if (connectorIds.indexOf(connectorId) > -1) {
+ return node;
+ }
+ }
+ }
+ catch (e_4_1) { e_4 = { error: e_4_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_4) throw e_4.error; }
+ }
+ return null;
+ };
+ /**
+ * @param {?} nodeId
+ * @return {?}
+ */
+ NodesModel.prototype.getHtmlElement = /**
+ * @param {?} nodeId
+ * @return {?}
+ */
+ function (nodeId) {
+ return this.modelService.nodesHtmlElements[nodeId];
+ };
+ /**
+ * @param {?} nodeId
+ * @param {?} element
+ * @return {?}
+ */
+ NodesModel.prototype.setHtmlElement = /**
+ * @param {?} nodeId
+ * @param {?} element
+ * @return {?}
+ */
+ function (nodeId, element) {
+ this.modelService.nodesHtmlElements[nodeId] = element;
+ this.modelService.detectChanges();
+ };
+ return NodesModel;
+ }(AbstractFcModel));
+ var EdgesModel = /** @class */ (function (_super) {
+ __extends(EdgesModel, _super);
+ function EdgesModel(modelService) {
+ return _super.call(this, modelService) || this;
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.ready = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var source = this.modelService.connectors.getHtmlElement(edge.source);
+ /** @type {?} */
+ var destination = this.modelService.connectors.getHtmlElement(edge.destination);
+ return source !== undefined && destination !== undefined;
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.sourceCoord = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return this.modelService.connectors.getCenteredCoord(edge.source);
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.destCoord = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return this.modelService.connectors.getCenteredCoord(edge.destination);
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.delete = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var model = this.modelService.model;
+ /** @type {?} */
+ var index = model.edges.indexOf(edge);
+ if (index === -1) {
+ throw new Error('Tried to delete not existing edge');
+ }
+ if (this.isSelected(edge)) {
+ this.deselect(edge);
+ }
+ model.edges.splice(index, 1);
+ this.modelService.edgeRemovedCallback(edge);
+ };
+ /**
+ * @return {?}
+ */
+ EdgesModel.prototype.getSelectedEdges = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ /** @type {?} */
+ var model = this.modelService.model;
+ return model.edges.filter((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return _this.modelService.edges.isSelected(edge);
+ }));
+ };
+ /**
+ * @param {?} edge
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ EdgesModel.prototype.handleEdgeMouseClick = /**
+ * @param {?} edge
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ function (edge, ctrlKey) {
+ if (ctrlKey) {
+ this.modelService.edges.toggleSelected(edge);
+ }
+ else {
+ this.modelService.deselectAll();
+ this.modelService.edges.select(edge);
+ }
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.putEdge = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var model = this.modelService.model;
+ model.edges.push(edge);
+ };
+ /**
+ * @param {?} event
+ * @param {?} sourceConnector
+ * @param {?} destConnector
+ * @param {?} label
+ * @return {?}
+ */
+ EdgesModel.prototype._addEdge = /**
+ * @param {?} event
+ * @param {?} sourceConnector
+ * @param {?} destConnector
+ * @param {?} label
+ * @return {?}
+ */
+ function (event, sourceConnector, destConnector, label) {
+ var _this = this;
+ this.modelService.modelValidation.validateConnector(sourceConnector);
+ this.modelService.modelValidation.validateConnector(destConnector);
+ /** @type {?} */
+ var edge = {};
+ edge.source = sourceConnector.id;
+ edge.destination = destConnector.id;
+ edge.label = label;
+ /** @type {?} */
+ var model = this.modelService.model;
+ this.modelService.modelValidation.validateEdges(model.edges.concat([edge]), model.nodes);
+ this.modelService.createEdge(event, edge).subscribe((/**
+ * @param {?} created
+ * @return {?}
+ */
+ function (created) {
+ model.edges.push(created);
+ _this.modelService.edgeAddedCallback(created);
+ }));
+ };
+ return EdgesModel;
+ }(AbstractFcModel));
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ var FcModelValidationService = /** @class */ (function () {
+ function FcModelValidationService() {
+ }
+ /**
+ * @param {?} model
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateModel = /**
+ * @param {?} model
+ * @return {?}
+ */
+ function (model) {
+ this.validateNodes(model.nodes);
+ this._validateEdges(model.edges, model.nodes);
+ return model;
+ };
+ /**
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateNodes = /**
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (nodes) {
+ var _this = this;
+ /** @type {?} */
+ var ids = [];
+ nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ _this.validateNode(node);
+ if (ids.indexOf(node.id) !== -1) {
+ throw new ModelvalidationError('Id not unique.');
+ }
+ ids.push(node.id);
+ }));
+ /** @type {?} */
+ var connectorIds = [];
+ nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ node.connectors.forEach((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ if (connectorIds.indexOf(connector.id) !== -1) {
+ throw new ModelvalidationError('Id not unique.');
+ }
+ connectorIds.push(connector.id);
+ }));
+ }));
+ return nodes;
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateNode = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ var _this = this;
+ if (node.id === undefined) {
+ throw new ModelvalidationError('Id not valid.');
+ }
+ if (typeof node.name !== 'string') {
+ throw new ModelvalidationError('Name not valid.');
+ }
+ if (typeof node.x !== 'number' || node.x < 0 || Math.round(node.x) !== node.x) {
+ throw new ModelvalidationError('Coordinates not valid.');
+ }
+ if (typeof node.y !== 'number' || node.y < 0 || Math.round(node.y) !== node.y) {
+ throw new ModelvalidationError('Coordinates not valid.');
+ }
+ if (!Array.isArray(node.connectors)) {
+ throw new ModelvalidationError('Connectors not valid.');
+ }
+ node.connectors.forEach((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ _this.validateConnector(connector);
+ }));
+ return node;
+ };
+ /**
+ * @private
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype._validateEdges = /**
+ * @private
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edges, nodes) {
+ var _this = this;
+ edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ _this._validateEdge(edge, nodes);
+ }));
+ edges.forEach((/**
+ * @param {?} edge1
+ * @param {?} index1
+ * @return {?}
+ */
+ function (edge1, index1) {
+ edges.forEach((/**
+ * @param {?} edge2
+ * @param {?} index2
+ * @return {?}
+ */
+ function (edge2, index2) {
+ if (index1 !== index2) {
+ if ((edge1.source === edge2.source && edge1.destination === edge2.destination) ||
+ (edge1.source === edge2.destination && edge1.destination === edge2.source)) {
+ throw new ModelvalidationError('Duplicated edge.');
+ }
+ }
+ }));
+ }));
+ if (fcTopSort({ nodes: nodes, edges: edges }) === null) {
+ throw new ModelvalidationError('Graph has a circle.');
+ }
+ return edges;
+ };
+ /**
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateEdges = /**
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edges, nodes) {
+ this.validateNodes(nodes);
+ return this._validateEdges(edges, nodes);
+ };
+ /**
+ * @private
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype._validateEdge = /**
+ * @private
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edge, nodes) {
+ if (edge.source === undefined) {
+ throw new ModelvalidationError('Source not valid.');
+ }
+ if (edge.destination === undefined) {
+ throw new ModelvalidationError('Destination not valid.');
+ }
+ if (edge.source === edge.destination) {
+ throw new ModelvalidationError('Edge with same source and destination connectors.');
+ }
+ /** @type {?} */
+ var sourceNode = nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) { return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) { return connector.id === edge.source; })); }))[0];
+ if (sourceNode === undefined) {
+ throw new ModelvalidationError('Source not valid.');
+ }
+ /** @type {?} */
+ var destinationNode = nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) { return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) { return connector.id === edge.destination; })); }))[0];
+ if (destinationNode === undefined) {
+ throw new ModelvalidationError('Destination not valid.');
+ }
+ if (sourceNode === destinationNode) {
+ throw new ModelvalidationError('Edge with same source and destination nodes.');
+ }
+ return edge;
+ };
+ /**
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateEdge = /**
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edge, nodes) {
+ this.validateNodes(nodes);
+ return this._validateEdge(edge, nodes);
+ };
+ /**
+ * @param {?} connector
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateConnector = /**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ if (connector.id === undefined) {
+ throw new ModelvalidationError('Id not valid.');
+ }
+ if (connector.type === undefined || connector.type === null || typeof connector.type !== 'string') {
+ throw new ModelvalidationError('Type not valid.');
+ }
+ return connector;
+ };
+ FcModelValidationService.decorators = [
+ { type: core.Injectable }
+ ];
+ /** @nocollapse */
+ FcModelValidationService.ctorParameters = function () { return []; };
+ return FcModelValidationService;
+ }());
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ /** @type {?} */
+ var nodeDropScope = {
+ dropElement: null
+ };
+ var FcNodeDraggingService = /** @class */ (function () {
+ function FcNodeDraggingService(modelService, applyFunction, automaticResize, dragAnimation) {
+ this.nodeDraggingScope = {
+ shadowDragStarted: false,
+ dropElement: null,
+ draggedNodes: [],
+ shadowElements: []
+ };
+ this.dragOffsets = [];
+ this.draggedElements = [];
+ this.destinationHtmlElements = [];
+ this.oldDisplayStyles = [];
+ this.modelService = modelService;
+ this.automaticResize = automaticResize;
+ this.dragAnimation = dragAnimation;
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @private
+ * @param {?} coordinate
+ * @param {?} max
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.getCoordinate = /**
+ * @private
+ * @param {?} coordinate
+ * @param {?} max
+ * @return {?}
+ */
+ function (coordinate, max) {
+ coordinate = Math.max(coordinate, 0);
+ coordinate = Math.min(coordinate, max);
+ return coordinate;
+ };
+ /**
+ * @private
+ * @param {?} x
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.getXCoordinate = /**
+ * @private
+ * @param {?} x
+ * @return {?}
+ */
+ function (x) {
+ return this.getCoordinate(x, this.modelService.canvasHtmlElement.offsetWidth);
+ };
+ /**
+ * @private
+ * @param {?} y
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.getYCoordinate = /**
+ * @private
+ * @param {?} y
+ * @return {?}
+ */
+ function (y) {
+ return this.getCoordinate(y, this.modelService.canvasHtmlElement.offsetHeight);
+ };
+ /**
+ * @private
+ * @param {?} draggedNode
+ * @param {?} nodeElement
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.resizeCanvas = /**
+ * @private
+ * @param {?} draggedNode
+ * @param {?} nodeElement
+ * @return {?}
+ */
+ function (draggedNode, nodeElement) {
+ if (this.automaticResize && !this.modelService.isDropSource()) {
+ /** @type {?} */
+ var canvasElement = this.modelService.canvasHtmlElement;
+ if (canvasElement.offsetWidth < draggedNode.x + nodeElement.offsetWidth + FlowchartConstants.canvasResizeThreshold) {
+ canvasElement.style.width = canvasElement.offsetWidth + FlowchartConstants.canvasResizeStep + 'px';
+ }
+ if (canvasElement.offsetHeight < draggedNode.y + nodeElement.offsetHeight + FlowchartConstants.canvasResizeThreshold) {
+ canvasElement.style.height = canvasElement.offsetHeight + FlowchartConstants.canvasResizeStep + 'px';
+ }
+ }
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.isDraggingNode = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return this.nodeDraggingScope.draggedNodes.includes(node);
+ };
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.dragstart = /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ var e_1, _a, e_2, _b;
+ if (node.readonly) {
+ return;
+ }
+ this.dragOffsets.length = 0;
+ this.draggedElements.length = 0;
+ this.nodeDraggingScope.draggedNodes.length = 0;
+ this.nodeDraggingScope.shadowElements.length = 0;
+ this.destinationHtmlElements.length = 0;
+ this.oldDisplayStyles.length = 0;
+ /** @type {?} */
+ var elements = [];
+ /** @type {?} */
+ var nodes = [];
+ if (this.modelService.nodes.isSelected(node)) {
+ /** @type {?} */
+ var selectedNodes = this.modelService.nodes.getSelectedNodes();
+ try {
+ for (var selectedNodes_1 = __values(selectedNodes), selectedNodes_1_1 = selectedNodes_1.next(); !selectedNodes_1_1.done; selectedNodes_1_1 = selectedNodes_1.next()) {
+ var selectedNode = selectedNodes_1_1.value;
+ /** @type {?} */
+ var element = $(this.modelService.nodes.getHtmlElement(selectedNode.id));
+ elements.push(element);
+ nodes.push(selectedNode);
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (selectedNodes_1_1 && !selectedNodes_1_1.done && (_a = selectedNodes_1.return)) _a.call(selectedNodes_1);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ }
+ else {
+ elements.push($((/** @type {?} */ (event.target))));
+ nodes.push(node);
+ }
+ /** @type {?} */
+ var offsetsX = [];
+ /** @type {?} */
+ var offsetsY = [];
+ try {
+ for (var elements_1 = __values(elements), elements_1_1 = elements_1.next(); !elements_1_1.done; elements_1_1 = elements_1.next()) {
+ var element = elements_1_1.value;
+ offsetsX.push(parseInt(element.css('left'), 10) - event.clientX);
+ offsetsY.push(parseInt(element.css('top'), 10) - event.clientY);
+ }
+ }
+ catch (e_2_1) { e_2 = { error: e_2_1 }; }
+ finally {
+ try {
+ if (elements_1_1 && !elements_1_1.done && (_b = elements_1.return)) _b.call(elements_1);
+ }
+ finally { if (e_2) throw e_2.error; }
+ }
+ /** @type {?} */
+ var originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ if (this.modelService.isDropSource()) {
+ if (nodeDropScope.dropElement) {
+ nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);
+ nodeDropScope.dropElement = null;
+ }
+ nodeDropScope.dropElement = (/** @type {?} */ (elements[0][0].cloneNode(true)));
+ /** @type {?} */
+ var offset = $(this.modelService.canvasHtmlElement).offset();
+ nodeDropScope.dropElement.offsetInfo = {
+ offsetX: Math.round(offsetsX[0] + offset.left),
+ offsetY: Math.round(offsetsY[0] + offset.top)
+ };
+ nodeDropScope.dropElement.style.position = 'absolute';
+ nodeDropScope.dropElement.style.pointerEvents = 'none';
+ nodeDropScope.dropElement.style.zIndex = '9999';
+ document.body.appendChild(nodeDropScope.dropElement);
+ /** @type {?} */
+ var dropNodeInfo = {
+ node: node,
+ dropTargetId: this.modelService.dropTargetId,
+ offsetX: Math.round(offsetsX[0] + offset.left),
+ offsetY: Math.round(offsetsY[0] + offset.top)
+ };
+ originalEvent.dataTransfer.setData('text', JSON.stringify(dropNodeInfo));
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ /** @type {?} */
+ var target = (/** @type {?} */ (event.target));
+ this.destinationHtmlElements.push(target);
+ this.oldDisplayStyles.push(target.style.display);
+ target.style.display = 'none';
+ this.nodeDraggingScope.shadowDragStarted = true;
+ }
+ return;
+ }
+ this.nodeDraggingScope.draggedNodes = nodes;
+ for (var i = 0; i < elements.length; i++) {
+ this.draggedElements.push(elements[i][0]);
+ this.dragOffsets.push({
+ x: offsetsX[i],
+ y: offsetsY[i]
+ });
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ for (var i = 0; i < this.draggedElements.length; i++) {
+ /** @type {?} */
+ var dragOffset = this.dragOffsets[i];
+ /** @type {?} */
+ var draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var shadowElement = $("
"));
+ /** @type {?} */
+ var targetInnerNode = $(this.draggedElements[i]).children()[0];
+ shadowElement.children()[0].style.backgroundColor = targetInnerNode.style.backgroundColor;
+ this.nodeDraggingScope.shadowElements.push(shadowElement);
+ this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[i][0]);
+ }
+ }
+ originalEvent.dataTransfer.setData('text', 'Just to support firefox');
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ for (var i = 0; i < this.draggedElements.length; i++) {
+ this.destinationHtmlElements.push(this.draggedElements[i]);
+ this.oldDisplayStyles.push(this.destinationHtmlElements[i].style.display);
+ this.destinationHtmlElements[i].style.display = 'none';
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.nodeDraggingScope.shadowDragStarted = true;
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (this.modelService.isDropSource()) {
+ event.preventDefault();
+ return false;
+ }
+ /** @type {?} */
+ var dropNode = null;
+ /** @type {?} */
+ var originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ /** @type {?} */
+ var infoText = originalEvent.dataTransfer.getData('text');
+ if (infoText) {
+ /** @type {?} */
+ var dropNodeInfo = null;
+ try {
+ dropNodeInfo = JSON.parse(infoText);
+ }
+ catch (e) { }
+ if (dropNodeInfo && dropNodeInfo.dropTargetId) {
+ if (this.modelService.canvasHtmlElement.id &&
+ this.modelService.canvasHtmlElement.id === dropNodeInfo.dropTargetId) {
+ dropNode = dropNodeInfo.node;
+ /** @type {?} */
+ var offset = $(this.modelService.canvasHtmlElement).offset();
+ /** @type {?} */
+ var x = event.clientX - offset.left;
+ /** @type {?} */
+ var y = event.clientY - offset.top;
+ dropNode.x = Math.round(this.getXCoordinate(dropNodeInfo.offsetX + x));
+ dropNode.y = Math.round(this.getYCoordinate(dropNodeInfo.offsetY + y));
+ }
+ }
+ }
+ if (dropNode) {
+ this.modelService.dropNode(event, dropNode);
+ event.preventDefault();
+ return false;
+ }
+ else if (this.nodeDraggingScope.draggedNodes.length) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = _this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var dragOffset = _this.dragOffsets[i];
+ draggedNode.x = Math.round(_this.getXCoordinate(dragOffset.x + event.clientX));
+ draggedNode.y = Math.round(_this.getYCoordinate(dragOffset.y + event.clientY));
+ }
+ event.preventDefault();
+ return false;
+ }));
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (nodeDropScope.dropElement) {
+ /** @type {?} */
+ var offsetInfo = nodeDropScope.dropElement.offsetInfo;
+ nodeDropScope.dropElement.style.left = (offsetInfo.offsetX + event.clientX) + 'px';
+ nodeDropScope.dropElement.style.top = (offsetInfo.offsetY + event.clientY) + 'px';
+ if (this.nodeDraggingScope.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.destinationHtmlElements[0].style.display = _this.oldDisplayStyles[0];
+ _this.nodeDraggingScope.shadowDragStarted = false;
+ }));
+ }
+ event.preventDefault();
+ return;
+ }
+ if (this.modelService.isDropSource()) {
+ event.preventDefault();
+ return;
+ }
+ if (!this.nodeDraggingScope.draggedNodes.length) {
+ event.preventDefault();
+ return;
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = _this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var dragOffset = _this.dragOffsets[i];
+ draggedNode.x = _this.getXCoordinate(dragOffset.x + event.clientX);
+ draggedNode.y = _this.getYCoordinate(dragOffset.y + event.clientY);
+ _this.resizeCanvas(draggedNode, _this.draggedElements[i]);
+ }
+ event.preventDefault();
+ return false;
+ }));
+ }
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ if (this.nodeDraggingScope.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ _this.destinationHtmlElements[i].style.display = _this.oldDisplayStyles[i];
+ }
+ _this.nodeDraggingScope.shadowDragStarted = false;
+ }));
+ }
+ for (var i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var dragOffset = this.dragOffsets[i];
+ this.nodeDraggingScope.shadowElements[i].css('left', this.getXCoordinate(dragOffset.x + event.clientX) + 'px');
+ this.nodeDraggingScope.shadowElements[i].css('top', this.getYCoordinate(dragOffset.y + event.clientY) + 'px');
+ this.resizeCanvas(draggedNode, this.draggedElements[i]);
+ }
+ event.preventDefault();
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ if (nodeDropScope.dropElement) {
+ nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);
+ nodeDropScope.dropElement = null;
+ }
+ if (_this.modelService.isDropSource()) {
+ return;
+ }
+ if (_this.nodeDraggingScope.shadowElements.length) {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = _this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var shadowElement = _this.nodeDraggingScope.shadowElements[i];
+ draggedNode.x = parseInt(shadowElement.css('left').replace('px', ''), 10);
+ draggedNode.y = parseInt(shadowElement.css('top').replace('px', ''), 10);
+ _this.modelService.canvasHtmlElement.removeChild(shadowElement[0]);
+ }
+ _this.nodeDraggingScope.shadowElements.length = 0;
+ }
+ if (_this.nodeDraggingScope.draggedNodes.length) {
+ _this.nodeDraggingScope.draggedNodes.length = 0;
+ _this.draggedElements.length = 0;
+ _this.dragOffsets.length = 0;
+ }
+ }));
+ };
+ return FcNodeDraggingService;
+ }());
+ if (false) {
+ /** @type {?} */
+ FcNodeDraggingService.prototype.nodeDraggingScope;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.dragOffsets;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.draggedElements;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.destinationHtmlElements;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.oldDisplayStyles;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.automaticResize;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.dragAnimation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.applyFunction;
+ }
+ /**
+ * @record
+ */
+ function NodeDraggingScope() { }
+ if (false) {
+ /** @type {?} */
+ NodeDraggingScope.prototype.draggedNodes;
+ /** @type {?} */
+ NodeDraggingScope.prototype.shadowElements;
+ /** @type {?} */
+ NodeDraggingScope.prototype.shadowDragStarted;
+ /** @type {?} */
+ NodeDraggingScope.prototype.dropElement;
+ }
+ /**
+ * @record
+ */
+ function NodeDropElement() { }
+ if (false) {
+ /** @type {?|undefined} */
+ NodeDropElement.prototype.offsetInfo;
+ }
+ /**
+ * @record
+ */
+ function NodeDropScope() { }
+ if (false) {
+ /** @type {?} */
+ NodeDropScope.prototype.dropElement;
+ }
+ /**
+ * @record
+ */
+ function DropNodeInfo() { }
+ if (false) {
+ /** @type {?} */
+ DropNodeInfo.prototype.node;
+ /** @type {?} */
+ DropNodeInfo.prototype.dropTargetId;
+ /** @type {?} */
+ DropNodeInfo.prototype.offsetX;
+ /** @type {?} */
+ DropNodeInfo.prototype.offsetY;
+ }
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ var FcEdgeDrawingService = /** @class */ (function () {
+ function FcEdgeDrawingService() {
+ }
+ /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @param {?} style
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.getEdgeDAttribute = /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @param {?} style
+ * @return {?}
+ */
+ function (pt1, pt2, style) {
+ /** @type {?} */
+ var dAddribute = "M " + pt1.x + ", " + pt1.y + " ";
+ if (style === FlowchartConstants.curvedStyle) {
+ /** @type {?} */
+ var sourceTangent = this.computeEdgeSourceTangent(pt1, pt2);
+ /** @type {?} */
+ var destinationTangent = this.computeEdgeDestinationTangent(pt1, pt2);
+ dAddribute += "C " + sourceTangent.x + ", " + sourceTangent.y + " " + (destinationTangent.x - 50) + ", " + destinationTangent.y + " " + pt2.x + ", " + pt2.y;
+ }
+ else {
+ dAddribute += "L " + pt2.x + ", " + pt2.y;
+ }
+ return dAddribute;
+ };
+ /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.getEdgeCenter = /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return {
+ x: (pt1.x + pt2.x) / 2,
+ y: (pt1.y + pt2.y) / 2
+ };
+ };
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.computeEdgeTangentOffset = /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return (pt2.y - pt1.y) / 2;
+ };
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.computeEdgeSourceTangent = /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return {
+ x: pt1.x,
+ y: pt1.y + this.computeEdgeTangentOffset(pt1, pt2)
+ };
+ };
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.computeEdgeDestinationTangent = /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return {
+ x: pt2.x,
+ y: pt2.y - this.computeEdgeTangentOffset(pt1, pt2)
+ };
+ };
+ FcEdgeDrawingService.decorators = [
+ { type: core.Injectable }
+ ];
+ /** @nocollapse */
+ FcEdgeDrawingService.ctorParameters = function () { return []; };
+ return FcEdgeDrawingService;
+ }());
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ var FcEdgeDraggingService = /** @class */ (function () {
+ function FcEdgeDraggingService(modelValidation, edgeDrawingService, modelService, model, isValidEdgeCallback, applyFunction, dragAnimation, edgeStyle) {
+ this.edgeDragging = {
+ isDragging: false,
+ dragPoint1: null,
+ dragPoint2: null,
+ shadowDragStarted: false
+ };
+ this.draggedEdgeSource = null;
+ this.dragOffset = {};
+ this.destinationHtmlElement = null;
+ this.oldDisplayStyle = '';
+ this.modelValidation = modelValidation;
+ this.edgeDrawingService = edgeDrawingService;
+ this.modelService = modelService;
+ this.model = model;
+ this.isValidEdgeCallback = isValidEdgeCallback || ((/**
+ * @return {?}
+ */
+ function () { return true; }));
+ this.applyFunction = applyFunction;
+ this.dragAnimation = dragAnimation;
+ this.edgeStyle = edgeStyle;
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragstart = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var e_1, _a;
+ var _this = this;
+ /** @type {?} */
+ var swapConnector;
+ /** @type {?} */
+ var dragLabel;
+ /** @type {?} */
+ var prevEdge;
+ if (connector.type === FlowchartConstants.leftConnectorType) {
+ var _loop_1 = function (edge) {
+ if (edge === connector.id) {
+ swapConnector = this_1.modelService.connectors.getConnector(edge.source);
+ dragLabel = edge.label;
+ prevEdge = edge;
+ this_1.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.modelService.edges.delete(edge);
+ }));
+ return "break";
+ }
+ };
+ var this_1 = this;
+ try {
+ for (var _b = __values(this.model.edges), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var edge = _c.value;
+ var state_1 = _loop_1(edge);
+ if (state_1 === "break")
+ break;
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ }
+ this.edgeDragging.isDragging = true;
+ if (swapConnector !== undefined) {
+ this.draggedEdgeSource = swapConnector;
+ this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(swapConnector.id);
+ this.edgeDragging.dragLabel = dragLabel;
+ this.edgeDragging.prevEdge = prevEdge;
+ }
+ else {
+ this.draggedEdgeSource = connector;
+ this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(connector.id);
+ }
+ /** @type {?} */
+ var canvas = this.modelService.canvasHtmlElement;
+ if (!canvas) {
+ throw new Error('No canvas while edgedraggingService found.');
+ }
+ this.dragOffset.x = -canvas.getBoundingClientRect().left;
+ this.dragOffset.y = -canvas.getBoundingClientRect().top;
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ /** @type {?} */
+ var originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ originalEvent.dataTransfer.setData('Text', 'Just to support firefox');
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ this.destinationHtmlElement = (/** @type {?} */ (event.target));
+ this.oldDisplayStyle = this.destinationHtmlElement.style.display;
+ this.destinationHtmlElement.style.display = 'none';
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.shadowDragStarted = true;
+ }
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.edgeDragging.gElement === undefined) {
+ this.edgeDragging.gElement = $(document.querySelectorAll('.shadow-svg-class'));
+ this.edgeDragging.pathElement = $(document.querySelectorAll('.shadow-svg-class')).find('path');
+ this.edgeDragging.circleElement = $(document.querySelectorAll('.shadow-svg-class')).find('circle');
+ }
+ this.edgeDragging.gElement.css('display', 'block');
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ }
+ event.stopPropagation();
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (this.edgeDragging.isDragging) {
+ if (!this.edgeDragging.magnetActive && this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.destinationHtmlElement !== null) {
+ this.destinationHtmlElement.style.display = this.oldDisplayStyle;
+ }
+ if (this.edgeDragging.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.edgeDragging.shadowDragStarted = false;
+ }));
+ }
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ if (_this.destinationHtmlElement !== null) {
+ _this.destinationHtmlElement.style.display = _this.oldDisplayStyle;
+ }
+ _this.edgeDragging.dragPoint2 = {
+ x: event.clientX + _this.dragOffset.x,
+ y: event.clientY + _this.dragOffset.y
+ };
+ }));
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragoverConnector = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ if (this.edgeDragging.isDragging) {
+ this.dragover(event);
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: connector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragleaveMagnet = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.edgeDragging.magnetActive = false;
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragoverMagnet = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var _this = this;
+ if (this.edgeDragging.isDragging) {
+ this.dragover(event);
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: connector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.magnetActive = true;
+ this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.edgeDragging.dragPoint2 = _this.modelService.connectors.getCenteredCoord(connector.id);
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }));
+ }
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (this.edgeDragging.isDragging) {
+ this.edgeDragging.isDragging = false;
+ this.edgeDragging.dragPoint1 = null;
+ this.edgeDragging.dragPoint2 = null;
+ this.edgeDragging.dragLabel = null;
+ event.stopPropagation();
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.gElement.css('display', 'none');
+ }
+ if (this.edgeDragging.prevEdge) {
+ /** @type {?} */
+ var edge_1 = this.edgeDragging.prevEdge;
+ this.edgeDragging.prevEdge = null;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.modelService.edges.putEdge(edge_1);
+ }));
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} targetConnector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.drop = /**
+ * @param {?} event
+ * @param {?} targetConnector
+ * @return {?}
+ */
+ function (event, targetConnector) {
+ if (this.edgeDragging.isDragging) {
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: targetConnector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, targetConnector)) {
+ this.edgeDragging.prevEdge = null;
+ this.modelService.edges._addEdge(event, this.draggedEdgeSource, targetConnector, this.edgeDragging.dragLabel);
+ event.stopPropagation();
+ event.preventDefault();
+ return false;
+ }
+ }
+ };
+ return FcEdgeDraggingService;
+ }());
+ if (false) {
+ /** @type {?} */
+ FcEdgeDraggingService.prototype.edgeDragging;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.draggedEdgeSource;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.dragOffset;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.destinationHtmlElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.oldDisplayStyle;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.modelValidation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.edgeDrawingService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.model;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.isValidEdgeCallback;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.applyFunction;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.dragAnimation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.edgeStyle;
+ }
+ /**
+ * @record
+ */
+ function EdgeDragging() { }
+ if (false) {
+ /** @type {?} */
+ EdgeDragging.prototype.isDragging;
+ /** @type {?} */
+ EdgeDragging.prototype.shadowDragStarted;
+ /** @type {?} */
+ EdgeDragging.prototype.dragPoint1;
+ /** @type {?} */
+ EdgeDragging.prototype.dragPoint2;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.dragLabel;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.prevEdge;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.magnetActive;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.gElement;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.pathElement;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.circleElement;
+ }
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ var FcMouseOverService = /** @class */ (function () {
+ function FcMouseOverService(applyFunction) {
+ this.mouseoverscope = {
+ connector: null,
+ edge: null,
+ node: null
+ };
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ FcMouseOverService.prototype.nodeMouseOver = /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.node = node;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ FcMouseOverService.prototype.nodeMouseOut = /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.node = null;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcMouseOverService.prototype.connectorMouseEnter = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.connector = connector;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcMouseOverService.prototype.connectorMouseLeave = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.connector = null;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ FcMouseOverService.prototype.edgeMouseEnter = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverscope.edge = edge;
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ FcMouseOverService.prototype.edgeMouseLeave = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverscope.edge = null;
+ };
+ return FcMouseOverService;
+ }());
+ if (false) {
+ /** @type {?} */
+ FcMouseOverService.prototype.mouseoverscope;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcMouseOverService.prototype.applyFunction;
+ }
+ /**
+ * @record
+ */
+ function MouseOverScope() { }
+ if (false) {
+ /** @type {?} */
+ MouseOverScope.prototype.connector;
+ /** @type {?} */
+ MouseOverScope.prototype.edge;
+ /** @type {?} */
+ MouseOverScope.prototype.node;
+ }
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ /** @type {?} */
+ var regex = /(auto|scroll)/;
+ /** @type {?} */
+ var style = (/**
+ * @param {?} node
+ * @param {?} prop
+ * @return {?}
+ */
+ function (node, prop) {
+ return getComputedStyle(node, null).getPropertyValue(prop);
+ });
+ var ɵ0 = style;
+ /** @type {?} */
+ var scroll = (/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return regex.test(style(node, 'overflow') +
+ style(node, 'overflow-y') +
+ style(node, 'overflow-x'));
+ });
+ var ɵ1 = scroll;
+ /** @type {?} */
+ var scrollparent = (/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return !node || node === document.body
+ ? document.body
+ : scroll(node)
+ ? node
+ : scrollparent((/** @type {?} */ (node.parentNode)));
+ });
+ var ɵ2 = scrollparent;
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ /**
+ * @record
+ */
+ function Rectangle() { }
+ if (false) {
+ /** @type {?} */
+ Rectangle.prototype.x1;
+ /** @type {?} */
+ Rectangle.prototype.x2;
+ /** @type {?} */
+ Rectangle.prototype.y1;
+ /** @type {?} */
+ Rectangle.prototype.y2;
+ }
+ var FcRectangleSelectService = /** @class */ (function () {
+ function FcRectangleSelectService(modelService, selectElement, applyFunction) {
+ this.selectRect = {
+ x1: 0,
+ x2: 0,
+ y1: 0,
+ y2: 0
+ };
+ this.modelService = modelService;
+ this.selectElement = selectElement;
+ this.$canvasElement = $(this.modelService.canvasHtmlElement);
+ this.$scrollParent = $(scrollparent(this.modelService.canvasHtmlElement));
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.mousedown = /**
+ * @param {?} e
+ * @return {?}
+ */
+ function (e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && this.selectElement.hidden) {
+ this.selectElement.hidden = false;
+ /** @type {?} */
+ var offset = this.$canvasElement.offset();
+ this.selectRect.x1 = Math.round(e.pageX - offset.left);
+ this.selectRect.y1 = Math.round(e.pageY - offset.top);
+ this.selectRect.x2 = this.selectRect.x1;
+ this.selectRect.y2 = this.selectRect.y1;
+ this.updateSelectRect();
+ }
+ };
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.mousemove = /**
+ * @param {?} e
+ * @return {?}
+ */
+ function (e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && !this.selectElement.hidden) {
+ /** @type {?} */
+ var offset = this.$canvasElement.offset();
+ this.selectRect.x2 = Math.round(e.pageX - offset.left);
+ this.selectRect.y2 = Math.round(e.pageY - offset.top);
+ this.updateScroll(offset);
+ this.updateSelectRect();
+ }
+ };
+ /**
+ * @private
+ * @param {?} offset
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.updateScroll = /**
+ * @private
+ * @param {?} offset
+ * @return {?}
+ */
+ function (offset) {
+ /** @type {?} */
+ var rect = this.$scrollParent[0].getBoundingClientRect();
+ /** @type {?} */
+ var bottom = rect.bottom - offset.top;
+ /** @type {?} */
+ var right = rect.right - offset.left;
+ /** @type {?} */
+ var top = rect.top - offset.top;
+ /** @type {?} */
+ var left = rect.left - offset.left;
+ if (this.selectRect.y2 - top < 25) {
+ /** @type {?} */
+ var topScroll = 25 - (this.selectRect.y2 - top);
+ /** @type {?} */
+ var scroll_1 = this.$scrollParent.scrollTop();
+ this.$scrollParent.scrollTop(scroll_1 - topScroll);
+ }
+ else if (bottom - this.selectRect.y2 < 40) {
+ /** @type {?} */
+ var bottomScroll = 40 - (bottom - this.selectRect.y2);
+ /** @type {?} */
+ var scroll_2 = this.$scrollParent.scrollTop();
+ this.$scrollParent.scrollTop(scroll_2 + bottomScroll);
+ }
+ if (this.selectRect.x2 - left < 25) {
+ /** @type {?} */
+ var leftScroll = 25 - (this.selectRect.x2 - left);
+ /** @type {?} */
+ var scroll_3 = this.$scrollParent.scrollLeft();
+ this.$scrollParent.scrollLeft(scroll_3 - leftScroll);
+ }
+ else if (right - this.selectRect.x2 < 40) {
+ /** @type {?} */
+ var rightScroll = 40 - (right - this.selectRect.x2);
+ /** @type {?} */
+ var scroll_4 = this.$scrollParent.scrollLeft();
+ this.$scrollParent.scrollLeft(scroll_4 + rightScroll);
+ }
+ };
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.mouseup = /**
+ * @param {?} e
+ * @return {?}
+ */
+ function (e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && !this.selectElement.hidden) {
+ /** @type {?} */
+ var rectBox = (/** @type {?} */ (this.selectElement.getBoundingClientRect()));
+ this.selectElement.hidden = true;
+ this.selectObjects(rectBox);
+ }
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.updateSelectRect = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var x3 = Math.min(this.selectRect.x1, this.selectRect.x2);
+ /** @type {?} */
+ var x4 = Math.max(this.selectRect.x1, this.selectRect.x2);
+ /** @type {?} */
+ var y3 = Math.min(this.selectRect.y1, this.selectRect.y2);
+ /** @type {?} */
+ var y4 = Math.max(this.selectRect.y1, this.selectRect.y2);
+ this.selectElement.style.left = x3 + 'px';
+ this.selectElement.style.top = y3 + 'px';
+ this.selectElement.style.width = x4 - x3 + 'px';
+ this.selectElement.style.height = y4 - y3 + 'px';
+ };
+ /**
+ * @private
+ * @param {?} rectBox
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.selectObjects = /**
+ * @private
+ * @param {?} rectBox
+ * @return {?}
+ */
+ function (rectBox) {
+ var _this = this;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.modelService.selectAllInRect(rectBox);
+ }));
+ };
+ return FcRectangleSelectService;
+ }());
+ if (false) {
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.selectRect;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.selectElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.$canvasElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.$scrollParent;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.applyFunction;
+ }
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ var NgxFlowchartComponent = /** @class */ (function () {
+ function NgxFlowchartComponent(elementRef, differs, modelValidation, edgeDrawingService, cd, zone) {
+ this.elementRef = elementRef;
+ this.differs = differs;
+ this.modelValidation = modelValidation;
+ this.edgeDrawingService = edgeDrawingService;
+ this.cd = cd;
+ this.zone = zone;
+ this.flowchartConstants = FlowchartConstants;
+ this.nodesDiffer = this.differs.find([]).create((/**
+ * @param {?} index
+ * @param {?} item
+ * @return {?}
+ */
+ function (index, item) {
+ return item;
+ }));
+ this.edgesDiffer = this.differs.find([]).create((/**
+ * @param {?} index
+ * @param {?} item
+ * @return {?}
+ */
+ function (index, item) {
+ return item;
+ }));
+ this.arrowDefId = 'arrow-' + Math.random();
+ this.arrowDefIdSelected = this.arrowDefId + '-selected';
+ }
+ Object.defineProperty(NgxFlowchartComponent.prototype, "canvasClass", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return FlowchartConstants.canvasClass;
+ },
+ enumerable: true,
+ configurable: true
+ });
+ /**
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ var e_1, _a;
+ var _this = this;
+ if (!this.dropTargetId && this.edgeStyle !== FlowchartConstants.curvedStyle && this.edgeStyle !== FlowchartConstants.lineStyle) {
+ throw new Error('edgeStyle not supported.');
+ }
+ this.nodeHeight = this.nodeHeight || 200;
+ this.nodeWidth = this.nodeWidth || 200;
+ this.dragAnimation = this.dragAnimation || FlowchartConstants.dragAnimationRepaint;
+ this.userCallbacks = this.userCallbacks || {};
+ this.automaticResize = this.automaticResize || false;
+ try {
+ for (var _b = __values(Object.keys(this.userCallbacks)), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var key = _c.value;
+ /** @type {?} */
+ var callback = this.userCallbacks[key];
+ if (typeof callback !== 'function' && key !== 'nodeCallbacks') {
+ throw new Error('All callbacks should be functions.');
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ this.userNodeCallbacks = this.userCallbacks.nodeCallbacks;
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ this.modelService = new FcModelService(this.modelValidation, this.model, this.cd, this.selectedObjects, this.userCallbacks.dropNode, this.userCallbacks.createEdge, this.userCallbacks.edgeAdded, this.userCallbacks.nodeRemoved, this.userCallbacks.edgeRemoved, element[0], element[0].querySelector('svg'));
+ if (this.dropTargetId) {
+ this.modelService.dropTargetId = this.dropTargetId;
+ }
+ /** @type {?} */
+ var applyFunction = this.zone.run.bind(this.zone);
+ this.nodeDraggingService = new FcNodeDraggingService(this.modelService, applyFunction, this.automaticResize, this.dragAnimation);
+ this.edgeDraggingService = new FcEdgeDraggingService(this.modelValidation, this.edgeDrawingService, this.modelService, this.model, this.userCallbacks.isValidEdge || null, applyFunction, this.dragAnimation, this.edgeStyle);
+ this.mouseoverService = new FcMouseOverService(applyFunction);
+ this.rectangleSelectService = new FcRectangleSelectService(this.modelService, element[0].querySelector('#select-rectangle'), applyFunction);
+ this.callbacks = {
+ nodeDragstart: this.nodeDraggingService.dragstart.bind(this.nodeDraggingService),
+ nodeDragend: this.nodeDraggingService.dragend.bind(this.nodeDraggingService),
+ edgeDragstart: this.edgeDraggingService.dragstart.bind(this.edgeDraggingService),
+ edgeDragend: this.edgeDraggingService.dragend.bind(this.edgeDraggingService),
+ edgeDrop: this.edgeDraggingService.drop.bind(this.edgeDraggingService),
+ edgeDragoverConnector: this.edgeDraggingService.dragoverConnector.bind(this.edgeDraggingService),
+ edgeDragoverMagnet: this.edgeDraggingService.dragoverMagnet.bind(this.edgeDraggingService),
+ edgeDragleaveMagnet: this.edgeDraggingService.dragleaveMagnet.bind(this.edgeDraggingService),
+ nodeMouseOver: this.mouseoverService.nodeMouseOver.bind(this.mouseoverService),
+ nodeMouseOut: this.mouseoverService.nodeMouseOut.bind(this.mouseoverService),
+ connectorMouseEnter: this.mouseoverService.connectorMouseEnter.bind(this.mouseoverService),
+ connectorMouseLeave: this.mouseoverService.connectorMouseLeave.bind(this.mouseoverService),
+ nodeClicked: (/**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ _this.modelService.nodes.handleClicked(node, event.ctrlKey);
+ event.stopPropagation();
+ event.preventDefault();
+ })
+ };
+ this.adjustCanvasSize(true);
+ };
+ /**
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.ngDoCheck = /**
+ * @return {?}
+ */
+ function () {
+ if (this.model) {
+ /** @type {?} */
+ var nodesChange = this.nodesDiffer.diff(this.model.nodes);
+ /** @type {?} */
+ var edgesChange = this.edgesDiffer.diff(this.model.edges);
+ /** @type {?} */
+ var nodesChanged_1 = false;
+ /** @type {?} */
+ var edgesChanged_1 = false;
+ if (nodesChange !== null) {
+ nodesChange.forEachAddedItem((/**
+ * @return {?}
+ */
+ function () {
+ nodesChanged_1 = true;
+ }));
+ nodesChange.forEachRemovedItem((/**
+ * @return {?}
+ */
+ function () {
+ nodesChanged_1 = true;
+ }));
+ }
+ if (edgesChange !== null) {
+ edgesChange.forEachAddedItem((/**
+ * @return {?}
+ */
+ function () {
+ edgesChanged_1 = true;
+ }));
+ edgesChange.forEachRemovedItem((/**
+ * @return {?}
+ */
+ function () {
+ edgesChanged_1 = true;
+ }));
+ }
+ if (nodesChanged_1) {
+ this.adjustCanvasSize(true);
+ }
+ if (nodesChanged_1 || edgesChanged_1) {
+ this.cd.detectChanges();
+ }
+ }
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.getEdgeDAttribute = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return this.edgeDrawingService.getEdgeDAttribute(this.modelService.edges.sourceCoord(edge), this.modelService.edges.destCoord(edge), this.edgeStyle);
+ };
+ /**
+ * @param {?=} fit
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.adjustCanvasSize = /**
+ * @param {?=} fit
+ * @return {?}
+ */
+ function (fit) {
+ var _this = this;
+ /** @type {?} */
+ var maxX = 0;
+ /** @type {?} */
+ var maxY = 0;
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ this.model.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ maxX = Math.max(node.x + _this.nodeWidth, maxX);
+ maxY = Math.max(node.y + _this.nodeHeight, maxY);
+ }));
+ /** @type {?} */
+ var width;
+ /** @type {?} */
+ var height;
+ if (fit) {
+ width = maxX;
+ height = maxY;
+ }
+ else {
+ width = Math.max(maxX, element.prop('offsetWidth'));
+ height = Math.max(maxY, element.prop('offsetHeight'));
+ }
+ element.css('width', width + 'px');
+ element.css('height', height + 'px');
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.canvasClick = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) { };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseDown = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ event.stopPropagation();
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeClick = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.modelService.edges.handleEdgeMouseClick(edge, event.ctrlKey);
+ event.stopPropagation();
+ event.preventDefault();
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeRemove = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.modelService.edges.delete(edge);
+ event.stopPropagation();
+ event.preventDefault();
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeEdit = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ if (this.userCallbacks.edgeEdit) {
+ this.userCallbacks.edgeEdit(event, edge);
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeDoubleClick = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ if (this.userCallbacks.edgeDoubleClick) {
+ this.userCallbacks.edgeDoubleClick(event, edge);
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseOver = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ if (this.userCallbacks.edgeMouseOver) {
+ this.userCallbacks.edgeMouseOver(event, edge);
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseEnter = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverService.edgeMouseEnter(event, edge);
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseLeave = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverService.edgeMouseLeave(event, edge);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.nodeDraggingService.dragover(event);
+ this.edgeDraggingService.dragover(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (event.preventDefault) {
+ event.preventDefault();
+ }
+ if (event.stopPropagation) {
+ event.stopPropagation();
+ }
+ this.nodeDraggingService.drop(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.mousedown = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.rectangleSelectService.mousedown(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.mousemove = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.rectangleSelectService.mousemove(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.mouseup = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.rectangleSelectService.mouseup(event);
+ };
+ NgxFlowchartComponent.decorators = [
+ { type: core.Component, args: [{
+ selector: 'fc-canvas',
+ template: "\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\n \n \n \n
\n
\n {{edgeDraggingService.edgeDragging.dragLabel}} \n
\n
\n
\n
\n
\n \n
\n
\n ×\n
\n
{{edge.label}} \n
\n
\n
\n
\n
\n",
+ changeDetection: core.ChangeDetectionStrategy.OnPush,
+ styles: [":host{display:block;position:relative;width:100%;height:100%;background-size:25px 25px;background-image:linear-gradient(to right,rgba(0,0,0,.1) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.1) 1px,transparent 1px);background-color:transparent;min-width:100%;min-height:100%;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-canvas-container{display:block;position:relative;width:100%;height:100%}:host .fc-canvas-container svg.fc-canvas-svg{display:block;position:relative;width:100%;height:100%}:host .fc-edge{stroke:gray;stroke-width:4;transition:stroke-width .2s;fill:transparent}:host .fc-edge.fc-hover{stroke:gray;stroke-width:6;fill:transparent}:host .fc-edge.fc-selected{stroke:red;stroke-width:4;fill:transparent}:host .fc-edge.fc-active{-webkit-animation:3s linear infinite dash;animation:3s linear infinite dash;stroke-dasharray:20}:host .fc-edge.fc-dragging{pointer-events:none}:host .fc-arrow-marker polygon{stroke:gray;fill:gray}:host .fc-arrow-marker-selected polygon{stroke:red;fill:red}:host .edge-endpoint{fill:gray}:host .fc-noselect{-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-edge-label{position:absolute;opacity:.8;transition:transform .2s;transform-origin:bottom left;margin:0 auto}:host .fc-edge-label .fc-edge-label-text{position:absolute;transform:translate(-50%,-50%);white-space:nowrap;text-align:center;font-size:16px}:host .fc-edge-label .fc-edge-label-text span{cursor:default;border:solid #ff3d00;border-radius:10px;color:#ff3d00;background-color:#fff;padding:3px 5px}:host .fc-edge-label .fc-nodeedit{top:-30px;right:14px}:host .fc-edge-label .fc-nodedelete{top:-30px;right:-13px}:host .fc-edge-label.fc-hover{transform:scale(1.25)}:host .fc-edge-label.fc-edit .fc-edge-label-text span,:host .fc-edge-label.fc-selected .fc-edge-label-text span{border:solid red;color:#fff;font-weight:600;background-color:red}:host .fc-select-rectangle{border:2px dashed #5262ff;position:absolute;background:rgba(20,125,255,.1);z-index:2}@-webkit-keyframes dash{from{stroke-dashoffset:500}}@keyframes dash{from{stroke-dashoffset:500}}:host ::ng-deep .fc-nodeedit{display:none;font-size:15px}:host ::ng-deep .fc-nodedelete{display:none;font-size:18px}:host ::ng-deep .fc-edit .fc-nodedelete,:host ::ng-deep .fc-edit .fc-nodeedit{display:block;position:absolute;border:2px solid #eee;border-radius:50%;font-weight:600;line-height:20px;height:20px;padding-top:2px;width:22px;background:#494949;color:#fff;text-align:center;vertical-align:bottom;cursor:pointer}:host ::ng-deep .fc-edit .fc-nodeedit{top:-24px;right:16px}:host ::ng-deep .fc-edit .fc-nodedelete{top:-24px;right:-13px}"]
+ }] }
+ ];
+ /** @nocollapse */
+ NgxFlowchartComponent.ctorParameters = function () { return [
+ { type: core.ElementRef },
+ { type: core.IterableDiffers },
+ { type: FcModelValidationService },
+ { type: FcEdgeDrawingService },
+ { type: core.ChangeDetectorRef },
+ { type: core.NgZone }
+ ]; };
+ NgxFlowchartComponent.propDecorators = {
+ canvasClass: [{ type: core.HostBinding, args: ['attr.class',] }],
+ model: [{ type: core.Input }],
+ selectedObjects: [{ type: core.Input }],
+ edgeStyle: [{ type: core.Input }],
+ userCallbacks: [{ type: core.Input }],
+ automaticResize: [{ type: core.Input }],
+ dragAnimation: [{ type: core.Input }],
+ nodeWidth: [{ type: core.Input }],
+ nodeHeight: [{ type: core.Input }],
+ dropTargetId: [{ type: core.Input }],
+ dragover: [{ type: core.HostListener, args: ['dragover', ['$event'],] }],
+ drop: [{ type: core.HostListener, args: ['drop', ['$event'],] }],
+ mousedown: [{ type: core.HostListener, args: ['mousedown', ['$event'],] }],
+ mousemove: [{ type: core.HostListener, args: ['mousemove', ['$event'],] }],
+ mouseup: [{ type: core.HostListener, args: ['mouseup', ['$event'],] }]
+ };
+ return NgxFlowchartComponent;
+ }());
+ if (false) {
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.model;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.selectedObjects;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeStyle;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.userCallbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.automaticResize;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.dragAnimation;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeWidth;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeHeight;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.dropTargetId;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.callbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.modelService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeDraggingService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeDraggingService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.mouseoverService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.rectangleSelectService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.arrowDefId;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.arrowDefIdSelected;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.flowchartConstants;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.nodesDiffer;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.edgesDiffer;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.elementRef;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.differs;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.modelValidation;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeDrawingService;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.cd;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.zone;
+ }
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
- var NgxFlowchartService = /** @class */ (function () {
- function NgxFlowchartService() {
+ var FcMagnetDirective = /** @class */ (function () {
+ function FcMagnetDirective(elementRef) {
+ this.elementRef = elementRef;
}
- NgxFlowchartService.decorators = [
- { type: core.Injectable, args: [{
- providedIn: 'root'
+ /**
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.magnetClass);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ return this.callbacks.edgeDragoverMagnet(event, this.connector);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.dragleave = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.callbacks.edgeDragleaveMagnet(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ return this.callbacks.edgeDrop(event, this.connector);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.callbacks.edgeDragend(event);
+ };
+ FcMagnetDirective.decorators = [
+ { type: core.Directive, args: [{
+ // tslint:disable-next-line:directive-selector
+ selector: '[fc-magnet]'
},] }
];
/** @nocollapse */
- NgxFlowchartService.ctorParameters = function () { return []; };
- /** @nocollapse */ NgxFlowchartService.ngInjectableDef = core.ɵɵdefineInjectable({ factory: function NgxFlowchartService_Factory() { return new NgxFlowchartService(); }, token: NgxFlowchartService, providedIn: "root" });
- return NgxFlowchartService;
+ FcMagnetDirective.ctorParameters = function () { return [
+ { type: core.ElementRef }
+ ]; };
+ FcMagnetDirective.propDecorators = {
+ callbacks: [{ type: core.Input }],
+ connector: [{ type: core.Input }],
+ dragover: [{ type: core.HostListener, args: ['dragover', ['$event'],] }],
+ dragleave: [{ type: core.HostListener, args: ['dragleave', ['$event'],] }],
+ drop: [{ type: core.HostListener, args: ['drop', ['$event'],] }],
+ dragend: [{ type: core.HostListener, args: ['dragend', ['$event'],] }]
+ };
+ return FcMagnetDirective;
}());
+ if (false) {
+ /** @type {?} */
+ FcMagnetDirective.prototype.callbacks;
+ /** @type {?} */
+ FcMagnetDirective.prototype.connector;
+ /** @type {?} */
+ FcMagnetDirective.prototype.elementRef;
+ }
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
- var NgxFlowchartComponent = /** @class */ (function () {
- function NgxFlowchartComponent() {
+ var FcConnectorDirective = /** @class */ (function () {
+ function FcConnectorDirective(elementRef) {
+ this.elementRef = elementRef;
}
/**
* @return {?}
*/
- NgxFlowchartComponent.prototype.ngOnInit = /**
+ FcConnectorDirective.prototype.ngOnInit = /**
* @return {?}
*/
function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.connectorClass);
+ if (this.modelservice.isEditable()) {
+ element.attr('draggable', 'true');
+ this.updateConnectorClass();
+ }
+ this.modelservice.connectors.setHtmlElement(this.connector.id, element[0]);
};
- NgxFlowchartComponent.decorators = [
+ /**
+ * @param {?} changes
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.ngOnChanges = /**
+ * @param {?} changes
+ * @return {?}
+ */
+ function (changes) {
+ var e_1, _a;
+ /** @type {?} */
+ var updateConnector = false;
+ try {
+ for (var _b = __values(Object.keys(changes)), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var propName = _c.value;
+ /** @type {?} */
+ var change = changes[propName];
+ if (!change.firstChange && change.currentValue !== change.previousValue) {
+ if (propName === 'mouseOverConnector') {
+ updateConnector = true;
+ }
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ if (updateConnector && this.modelservice.isEditable()) {
+ this.updateConnectorClass();
+ }
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.updateConnectorClass = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ if (this.connector === this.mouseOverConnector) {
+ element.addClass(FlowchartConstants.hoverClass);
+ }
+ else {
+ element.removeClass(FlowchartConstants.hoverClass);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ // Skip - conflict with magnet
+ /* if (this.modelservice.isEditable()) {
+ return this.callbacks.edgeDragoverConnector(event, this.connector);
+ }*/
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ return this.callbacks.edgeDrop(event, this.connector);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.edgeDragend(event);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.dragstart = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.edgeDragstart(event, this.connector);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.mouseenter = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.connectorMouseEnter(event, this.connector);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.mouseleave = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.connectorMouseLeave(event, this.connector);
+ }
+ };
+ FcConnectorDirective.decorators = [
+ { type: core.Directive, args: [{
+ // tslint:disable-next-line:directive-selector
+ selector: '[fc-connector]'
+ },] }
+ ];
+ /** @nocollapse */
+ FcConnectorDirective.ctorParameters = function () { return [
+ { type: core.ElementRef }
+ ]; };
+ FcConnectorDirective.propDecorators = {
+ callbacks: [{ type: core.Input }],
+ modelservice: [{ type: core.Input }],
+ connector: [{ type: core.Input }],
+ mouseOverConnector: [{ type: core.Input }],
+ dragover: [{ type: core.HostListener, args: ['dragover', ['$event'],] }],
+ drop: [{ type: core.HostListener, args: ['drop', ['$event'],] }],
+ dragend: [{ type: core.HostListener, args: ['dragend', ['$event'],] }],
+ dragstart: [{ type: core.HostListener, args: ['dragstart', ['$event'],] }],
+ mouseenter: [{ type: core.HostListener, args: ['mouseenter', ['$event'],] }],
+ mouseleave: [{ type: core.HostListener, args: ['mouseleave', ['$event'],] }]
+ };
+ return FcConnectorDirective;
+ }());
+ if (false) {
+ /** @type {?} */
+ FcConnectorDirective.prototype.callbacks;
+ /** @type {?} */
+ FcConnectorDirective.prototype.modelservice;
+ /** @type {?} */
+ FcConnectorDirective.prototype.connector;
+ /** @type {?} */
+ FcConnectorDirective.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcConnectorDirective.prototype.elementRef;
+ }
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ var FcNodeContainerComponent = /** @class */ (function () {
+ function FcNodeContainerComponent(nodeComponentConfig, elementRef, componentFactoryResolver) {
+ this.nodeComponentConfig = nodeComponentConfig;
+ this.elementRef = elementRef;
+ this.componentFactoryResolver = componentFactoryResolver;
+ }
+ Object.defineProperty(FcNodeContainerComponent.prototype, "nodeId", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return this.node.id;
+ },
+ enumerable: true,
+ configurable: true
+ });
+ Object.defineProperty(FcNodeContainerComponent.prototype, "top", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return this.node.y + 'px';
+ },
+ enumerable: true,
+ configurable: true
+ });
+ Object.defineProperty(FcNodeContainerComponent.prototype, "left", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return this.node.x + 'px';
+ },
+ enumerable: true,
+ configurable: true
+ });
+ /**
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ if (!this.userNodeCallbacks) {
+ this.userNodeCallbacks = {};
+ }
+ this.userNodeCallbacks.nodeEdit = this.userNodeCallbacks.nodeEdit || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.doubleClick = this.userNodeCallbacks.doubleClick || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.mouseDown = this.userNodeCallbacks.mouseDown || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.mouseEnter = this.userNodeCallbacks.mouseEnter || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.mouseLeave = this.userNodeCallbacks.mouseLeave || ((/**
+ * @return {?}
+ */
+ function () { }));
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.nodeClass);
+ if (!this.node.readonly) {
+ element.attr('draggable', 'true');
+ }
+ this.updateNodeClass();
+ this.modelservice.nodes.setHtmlElement(this.node.id, element[0]);
+ this.nodeContentContainer.clear();
+ /** @type {?} */
+ var componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType);
+ /** @type {?} */
+ var componentRef = this.nodeContentContainer.createComponent(componentFactory);
+ this.nodeComponent = componentRef.instance;
+ this.nodeComponent.callbacks = this.callbacks;
+ this.nodeComponent.userNodeCallbacks = this.userNodeCallbacks;
+ this.nodeComponent.node = this.node;
+ this.nodeComponent.modelservice = this.modelservice;
+ this.updateNodeComponent();
+ };
+ /**
+ * @param {?} changes
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.ngOnChanges = /**
+ * @param {?} changes
+ * @return {?}
+ */
+ function (changes) {
+ var e_1, _a;
+ /** @type {?} */
+ var updateNode = false;
+ try {
+ for (var _b = __values(Object.keys(changes)), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var propName = _c.value;
+ /** @type {?} */
+ var change = changes[propName];
+ if (!change.firstChange && change.currentValue !== change.previousValue) {
+ if (['selected', 'edit', 'underMouse', 'mouseOverConnector', 'dragging'].includes(propName)) {
+ updateNode = true;
+ }
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ if (updateNode) {
+ this.updateNodeClass();
+ this.updateNodeComponent();
+ }
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.updateNodeClass = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ this.toggleClass(element, FlowchartConstants.selectedClass, this.selected);
+ this.toggleClass(element, FlowchartConstants.editClass, this.edit);
+ this.toggleClass(element, FlowchartConstants.hoverClass, this.underMouse);
+ this.toggleClass(element, FlowchartConstants.draggingClass, this.dragging);
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.updateNodeComponent = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ this.nodeComponent.selected = this.selected;
+ this.nodeComponent.edit = this.edit;
+ this.nodeComponent.underMouse = this.underMouse;
+ this.nodeComponent.mouseOverConnector = this.mouseOverConnector;
+ this.nodeComponent.dragging = this.dragging;
+ };
+ /**
+ * @private
+ * @param {?} element
+ * @param {?} clazz
+ * @param {?} set
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.toggleClass = /**
+ * @private
+ * @param {?} element
+ * @param {?} clazz
+ * @param {?} set
+ * @return {?}
+ */
+ function (element, clazz, set) {
+ if (set) {
+ element.addClass(clazz);
+ }
+ else {
+ element.removeClass(clazz);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.mousedown = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ event.stopPropagation();
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.dragstart = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeDragstart(event, this.node);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeDragend(event);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.click = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeClicked(event, this.node);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.mouseover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeMouseOver(event, this.node);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.mouseout = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeMouseOut(event, this.node);
+ }
+ };
+ FcNodeContainerComponent.decorators = [
{ type: core.Component, args: [{
- selector: 'fc-canvas',
- template: "\n \n ngx-flowchart works!\n
\n "
+ selector: 'fc-node',
+ template: ' ',
+ styles: [":host{position:absolute;z-index:1}:host.fc-dragging{z-index:10}:host ::ng-deep .fc-leftConnectors,:host ::ng-deep .fc-rightConnectors{position:absolute;top:0;height:100%;display:flex;flex-direction:column;z-index:-10}:host ::ng-deep .fc-leftConnectors .fc-magnet,:host ::ng-deep .fc-rightConnectors .fc-magnet{align-items:center}:host ::ng-deep .fc-leftConnectors{left:-20px}:host ::ng-deep .fc-rightConnectors{right:-20px}:host ::ng-deep .fc-magnet{display:flex;flex-grow:1;height:60px;justify-content:center}:host ::ng-deep .fc-connector{width:18px;height:18px;border:10px solid transparent;-moz-background-clip:padding;-webkit-background-clip:padding;background-clip:padding-box;border-radius:50%;background-color:#f7a789;color:#fff;pointer-events:all}:host ::ng-deep .fc-connector.fc-hover{background-color:#000}"]
}] }
];
/** @nocollapse */
- NgxFlowchartComponent.ctorParameters = function () { return []; };
- return NgxFlowchartComponent;
+ FcNodeContainerComponent.ctorParameters = function () { return [
+ { type: undefined, decorators: [{ type: core.Inject, args: [FC_NODE_COMPONENT_CONFIG,] }] },
+ { type: core.ElementRef },
+ { type: core.ComponentFactoryResolver }
+ ]; };
+ FcNodeContainerComponent.propDecorators = {
+ callbacks: [{ type: core.Input }],
+ userNodeCallbacks: [{ type: core.Input }],
+ node: [{ type: core.Input }],
+ selected: [{ type: core.Input }],
+ edit: [{ type: core.Input }],
+ underMouse: [{ type: core.Input }],
+ mouseOverConnector: [{ type: core.Input }],
+ modelservice: [{ type: core.Input }],
+ dragging: [{ type: core.Input }],
+ nodeId: [{ type: core.HostBinding, args: ['attr.id',] }],
+ top: [{ type: core.HostBinding, args: ['style.top',] }],
+ left: [{ type: core.HostBinding, args: ['style.left',] }],
+ nodeContentContainer: [{ type: core.ViewChild, args: ['nodeContent', { read: core.ViewContainerRef, static: true },] }],
+ mousedown: [{ type: core.HostListener, args: ['mousedown', ['$event'],] }],
+ dragstart: [{ type: core.HostListener, args: ['dragstart', ['$event'],] }],
+ dragend: [{ type: core.HostListener, args: ['dragend', ['$event'],] }],
+ click: [{ type: core.HostListener, args: ['click', ['$event'],] }],
+ mouseover: [{ type: core.HostListener, args: ['mouseover', ['$event'],] }],
+ mouseout: [{ type: core.HostListener, args: ['mouseout', ['$event'],] }]
+ };
+ return FcNodeContainerComponent;
+ }());
+ if (false) {
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.callbacks;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.node;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.selected;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.edit;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.underMouse;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.modelservice;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.dragging;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.nodeComponent;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.nodeContentContainer;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.nodeComponentConfig;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.elementRef;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.componentFactoryResolver;
+ }
+ /**
+ * @abstract
+ */
+ var FcNodeComponent = /** @class */ (function () {
+ function FcNodeComponent() {
+ this.flowchartConstants = FlowchartConstants;
+ }
+ /**
+ * @return {?}
+ */
+ FcNodeComponent.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ };
+ FcNodeComponent.propDecorators = {
+ callbacks: [{ type: core.Input }],
+ userNodeCallbacks: [{ type: core.Input }],
+ node: [{ type: core.Input }],
+ selected: [{ type: core.Input }],
+ edit: [{ type: core.Input }],
+ underMouse: [{ type: core.Input }],
+ mouseOverConnector: [{ type: core.Input }],
+ modelservice: [{ type: core.Input }],
+ dragging: [{ type: core.Input }]
+ };
+ return FcNodeComponent;
}());
+ if (false) {
+ /** @type {?} */
+ FcNodeComponent.prototype.callbacks;
+ /** @type {?} */
+ FcNodeComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ FcNodeComponent.prototype.node;
+ /** @type {?} */
+ FcNodeComponent.prototype.selected;
+ /** @type {?} */
+ FcNodeComponent.prototype.edit;
+ /** @type {?} */
+ FcNodeComponent.prototype.underMouse;
+ /** @type {?} */
+ FcNodeComponent.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcNodeComponent.prototype.modelservice;
+ /** @type {?} */
+ FcNodeComponent.prototype.dragging;
+ /** @type {?} */
+ FcNodeComponent.prototype.flowchartConstants;
+ }
+
+ /**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+ var DefaultFcNodeComponent = /** @class */ (function (_super) {
+ __extends(DefaultFcNodeComponent, _super);
+ function DefaultFcNodeComponent() {
+ return _super.call(this) || this;
+ }
+ DefaultFcNodeComponent.decorators = [
+ { type: core.Component, args: [{
+ selector: 'fc-default-node',
+ template: "\n
\n
\n
{{ node.name }}
\n\n
\n
\n
\n
\n \n
\n
\n ×\n
\n
\n",
+ styles: [":host .fc-node-overlay{position:absolute;pointer-events:none;left:0;top:0;right:0;bottom:0;background-color:#000;opacity:0}:host :host-context(.fc-hover) .fc-node-overlay{opacity:.25;transition:opacity .2s}:host :host-context(.fc-selected) .fc-node-overlay{opacity:.25}:host .innerNode{display:flex;justify-content:center;align-items:center;min-width:100px;border-radius:5px;background-color:#f15b26;color:#fff;font-size:16px;pointer-events:none}:host .innerNode p{padding:0 15px;text-align:center}"]
+ }] }
+ ];
+ /** @nocollapse */
+ DefaultFcNodeComponent.ctorParameters = function () { return []; };
+ return DefaultFcNodeComponent;
+ }(FcNodeComponent));
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
+ var ɵ0$1 = {
+ nodeComponentType: DefaultFcNodeComponent
+ };
var NgxFlowchartModule = /** @class */ (function () {
function NgxFlowchartModule() {
}
NgxFlowchartModule.decorators = [
{ type: core.NgModule, args: [{
- declarations: [NgxFlowchartComponent],
- imports: [],
- exports: [NgxFlowchartComponent]
+ entryComponents: [
+ DefaultFcNodeComponent
+ ],
+ declarations: [NgxFlowchartComponent,
+ FcMagnetDirective,
+ FcConnectorDirective,
+ FcNodeContainerComponent,
+ DefaultFcNodeComponent],
+ providers: [
+ FcModelValidationService,
+ FcEdgeDrawingService,
+ {
+ provide: FC_NODE_COMPONENT_CONFIG,
+ useValue: ɵ0$1
+ }
+ ],
+ imports: [
+ common.CommonModule
+ ],
+ exports: [NgxFlowchartComponent,
+ FcMagnetDirective,
+ FcConnectorDirective,
+ DefaultFcNodeComponent]
},] }
];
return NgxFlowchartModule;
}());
+ exports.FC_NODE_COMPONENT_CONFIG = FC_NODE_COMPONENT_CONFIG;
+ exports.FcNodeComponent = FcNodeComponent;
+ exports.FlowchartConstants = FlowchartConstants;
+ exports.ModelvalidationError = ModelvalidationError;
exports.NgxFlowchartComponent = NgxFlowchartComponent;
exports.NgxFlowchartModule = NgxFlowchartModule;
- exports.NgxFlowchartService = NgxFlowchartService;
+ exports.fcTopSort = fcTopSort;
+ exports.ɵa = FcNodeContainerComponent;
+ exports.ɵb = FcModelValidationService;
+ exports.ɵc = FcEdgeDrawingService;
+ exports.ɵd = DefaultFcNodeComponent;
+ exports.ɵe = FcMagnetDirective;
+ exports.ɵf = FcConnectorDirective;
Object.defineProperty(exports, '__esModule', { value: true });
diff --git a/dist/ngx-flowchart/bundles/ngx-flowchart.umd.js.map b/dist/ngx-flowchart/bundles/ngx-flowchart.umd.js.map
index 4c91fdb..7fcd2f1 100644
--- a/dist/ngx-flowchart/bundles/ngx-flowchart.umd.js.map
+++ b/dist/ngx-flowchart/bundles/ngx-flowchart.umd.js.map
@@ -1 +1 @@
-{"version":3,"file":"ngx-flowchart.umd.js","sources":["ng://ngx-flowchart/lib/ngx-flowchart.service.ts","ng://ngx-flowchart/lib/ngx-flowchart.component.ts","ng://ngx-flowchart/lib/ngx-flowchart.module.ts"],"sourcesContent":["import { Injectable } from '@angular/core';\n\n@Injectable({\n providedIn: 'root'\n})\nexport class NgxFlowchartService {\n\n constructor() { }\n}\n","import { Component, OnInit } from '@angular/core';\n\n@Component({\n selector: 'fc-canvas',\n template: `\n \n ngx-flowchart works!\n
\n `,\n styles: []\n})\nexport class NgxFlowchartComponent implements OnInit {\n\n constructor() { }\n\n ngOnInit() {\n }\n\n}\n","import { NgModule } from '@angular/core';\nimport { NgxFlowchartComponent } from './ngx-flowchart.component';\n\n@NgModule({\n declarations: [NgxFlowchartComponent],\n imports: [\n ],\n exports: [NgxFlowchartComponent]\n})\nexport class NgxFlowchartModule { }\n"],"names":["Injectable","Component","NgModule"],"mappings":";;;;;;;;;;AAAA;QAOE;SAAiB;;oBALlBA,eAAU,SAAC;wBACV,UAAU,EAAE,MAAM;qBACnB;;;;;kCAJD;KAEA;;;;;;ACFA;QAaE;SAAiB;;;;QAEjB,wCAAQ;;;QAAR;SACC;;oBAdFC,cAAS,SAAC;wBACT,QAAQ,EAAE,WAAW;wBACrB,QAAQ,EAAE,qDAIT;qBAEF;;;;QAQD,4BAAC;KAhBD;;;;;;ACFA;QAGA;SAMmC;;oBANlCC,aAAQ,SAAC;wBACR,YAAY,EAAE,CAAC,qBAAqB,CAAC;wBACrC,OAAO,EAAE,EACR;wBACD,OAAO,EAAE,CAAC,qBAAqB,CAAC;qBACjC;;QACiC,yBAAC;KANnC;;;;;;;;;;;;;;"}
\ No newline at end of file
+{"version":3,"file":"ngx-flowchart.umd.js","sources":["../../../node_modules/tslib/tslib.es6.js","ng://ngx-flowchart/lib/ngx-flowchart.models.ts","ng://ngx-flowchart/lib/model.service.ts","ng://ngx-flowchart/lib/modelvalidation.service.ts","ng://ngx-flowchart/lib/node-dragging.service.ts","ng://ngx-flowchart/lib/edge-drawing.service.ts","ng://ngx-flowchart/lib/edge-dragging.service.ts","ng://ngx-flowchart/lib/mouseover.service.ts","ng://ngx-flowchart/lib/scrollparent.ts","ng://ngx-flowchart/lib/rectangleselect.service.ts","ng://ngx-flowchart/lib/ngx-flowchart.component.ts","ng://ngx-flowchart/lib/magnet.directive.ts","ng://ngx-flowchart/lib/connector.directive.ts","ng://ngx-flowchart/lib/node.component.ts","ng://ngx-flowchart/lib/default-node.component.ts","ng://ngx-flowchart/lib/ngx-flowchart.module.ts"],"sourcesContent":["/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation. All rights reserved.\r\nLicensed under the Apache License, Version 2.0 (the \"License\"); you may not use\r\nthis file except in compliance with the License. You may obtain a copy of the\r\nLicense at http://www.apache.org/licenses/LICENSE-2.0\r\n\r\nTHIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\nKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED\r\nWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,\r\nMERCHANTABLITY OR NON-INFRINGEMENT.\r\n\r\nSee the Apache Version 2.0 License for specific language governing permissions\r\nand limitations under the License.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator], i = 0;\r\n if (m) return m.call(o);\r\n return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n};\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n","import { Observable } from 'rxjs';\nimport { InjectionToken, Type } from '@angular/core';\nimport { FcNodeComponent } from './node.component';\n\nexport const FC_NODE_COMPONENT_CONFIG = new InjectionToken('fc-node.component.config');\n\nexport interface FcNodeComponentConfig {\n nodeComponentType: Type;\n}\n\nconst htmlPrefix = 'fc';\nconst leftConnectorType = 'leftConnector';\nconst rightConnectorType = 'rightConnector';\n\nexport const FlowchartConstants = {\n htmlPrefix,\n leftConnectorType,\n rightConnectorType,\n curvedStyle: 'curved',\n lineStyle: 'line',\n dragAnimationRepaint: 'repaint',\n dragAnimationShadow: 'shadow',\n canvasClass: htmlPrefix + '-canvas',\n selectedClass: htmlPrefix + '-selected',\n editClass: htmlPrefix + '-edit',\n activeClass: htmlPrefix + '-active',\n hoverClass: htmlPrefix + '-hover',\n draggingClass: htmlPrefix + '-dragging',\n edgeClass: htmlPrefix + '-edge',\n edgeLabelClass: htmlPrefix + '-edge-label',\n connectorClass: htmlPrefix + '-connector',\n magnetClass: htmlPrefix + '-magnet',\n nodeClass: htmlPrefix + '-node',\n nodeOverlayClass: htmlPrefix + '-node-overlay',\n leftConnectorClass: htmlPrefix + '-' + leftConnectorType + 's',\n rightConnectorClass: htmlPrefix + '-' + rightConnectorType + 's',\n canvasResizeThreshold: 200,\n canvasResizeStep: 200\n};\n\n\nexport interface FcCoords {\n x?: number;\n y?: number;\n}\n\nexport interface FcOffset {\n top: number;\n left: number;\n}\n\nexport interface FcRectBox {\n top: number;\n left: number;\n right: number;\n bottom: number;\n}\n\nexport interface FcConnector {\n id: string;\n type: string;\n}\n\nexport interface FcNode extends FcCoords {\n id: string;\n name: string;\n connectors: Array;\n readonly?: boolean;\n [key: string]: any;\n}\n\nexport interface FcEdge {\n label?: string;\n source?: string;\n destination?: string;\n active?: boolean;\n}\n\nexport interface FcItemInfo {\n node?: FcNode;\n edge?: FcEdge;\n}\n\nexport interface FcModel {\n nodes: Array;\n edges: Array;\n}\n\nexport interface UserCallbacks {\n dropNode?: (event: Event, node: FcNode) => void;\n createEdge?: (event: Event, edge: FcEdge) => Observable;\n edgeAdded?: (edge: FcEdge) => void;\n nodeRemoved?: (node: FcNode) => void;\n edgeRemoved?: (edge: FcEdge) => void;\n edgeDoubleClick?: (event: MouseEvent, edge: FcEdge) => void;\n edgeMouseOver?: (event: MouseEvent, edge: FcEdge) => void;\n isValidEdge?: (source: FcConnector, destination: FcConnector) => boolean;\n edgeEdit?: (event: Event, edge: FcEdge) => void;\n nodeCallbacks?: UserNodeCallbacks;\n}\n\nexport interface UserNodeCallbacks {\n nodeEdit?: (event: MouseEvent, node: FcNode) => void;\n doubleClick?: (event: MouseEvent, node: FcNode) => void;\n mouseDown?: (event: MouseEvent, node: FcNode) => void;\n mouseEnter?: (event: MouseEvent, node: FcNode) => void;\n mouseLeave?: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcCallbacks {\n nodeDragstart: (event: DragEvent, node: FcNode) => void;\n nodeDragend: (event: DragEvent) => void;\n edgeDragstart: (event: DragEvent, connector: FcConnector) => void;\n edgeDragend: (event: DragEvent) => void;\n edgeDrop: (event: DragEvent, targetConnector: FcConnector) => boolean;\n edgeDragoverConnector: (event: DragEvent, connector: FcConnector) => boolean;\n edgeDragoverMagnet: (event: DragEvent, connector: FcConnector) => boolean;\n edgeDragleaveMagnet: (event: DragEvent) => void;\n nodeMouseOver: (event: MouseEvent, node: FcNode) => void;\n nodeMouseOut: (event: MouseEvent, node: FcNode) => void;\n connectorMouseEnter: (event: MouseEvent, connector: FcConnector) => void;\n connectorMouseLeave: (event: MouseEvent, connector: FcConnector) => void;\n nodeClicked: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcAdjacentList {\n [id: string]: {\n incoming: number;\n outgoing: Array;\n };\n}\n\nexport class ModelvalidationError extends Error {\n constructor(message: string) {\n super(message);\n }\n}\n\nexport function fcTopSort(graph: FcModel): Array | null {\n const adjacentList: FcAdjacentList = {};\n graph.nodes.forEach((node) => {\n adjacentList[node.id] = {incoming: 0, outgoing: []};\n });\n graph.edges.forEach((edge) => {\n const sourceNode = graph.nodes.filter((node) => {\n return node.connectors.some((connector) => {\n return connector.id === edge.source;\n });\n })[0];\n const destinationNode = graph.nodes.filter((node) => {\n return node.connectors.some((connector) => {\n return connector.id === edge.destination;\n });\n })[0];\n adjacentList[sourceNode.id].outgoing.push(destinationNode.id);\n adjacentList[destinationNode.id].incoming++;\n });\n const orderedNodes: string[] = [];\n const sourceNodes: string[] = [];\n for (const node of Object.keys(adjacentList)) {\n const edges = adjacentList[node];\n if (edges.incoming === 0) {\n sourceNodes.push(node);\n }\n }\n while (sourceNodes.length !== 0) {\n const sourceNode = sourceNodes.pop();\n for (let i = 0; i < adjacentList[sourceNode].outgoing.length; i++) {\n const destinationNode = adjacentList[sourceNode].outgoing[i];\n adjacentList[destinationNode].incoming--;\n if (adjacentList[destinationNode].incoming === 0) {\n sourceNodes.push(destinationNode);\n }\n adjacentList[sourceNode].outgoing.splice(i, 1);\n i--;\n }\n orderedNodes.push(sourceNode);\n }\n let hasEdges = false;\n for (const node of Object.keys(adjacentList)) {\n const edges = adjacentList[node];\n if (edges.incoming !== 0) {\n hasEdges = true;\n }\n }\n if (hasEdges) {\n return null;\n } else {\n return orderedNodes;\n }\n}\n","import { FcModelValidationService } from './modelvalidation.service';\nimport { FcConnector, FcCoords, FcEdge, FcItemInfo, FcModel, FcNode, FcRectBox } from './ngx-flowchart.models';\nimport { Observable, of } from 'rxjs';\nimport { ChangeDetectorRef } from '@angular/core';\n\nexport class FcModelService {\n\n modelValidation: FcModelValidationService;\n model: FcModel;\n cd: ChangeDetectorRef;\n selectedObjects: any[];\n\n connectorsHtmlElements: HtmlElementMap = {};\n nodesHtmlElements: HtmlElementMap = {};\n canvasHtmlElement: HTMLElement = null;\n dragImage: HTMLImageElement = null;\n svgHtmlElement: SVGElement = null;\n\n dropNode: (event: Event, node: FcNode) => void;\n createEdge: (event: Event, edge: FcEdge) => Observable;\n edgeAddedCallback: (edge: FcEdge) => void;\n nodeRemovedCallback: (node: FcNode) => void;\n edgeRemovedCallback: (edge: FcEdge) => void;\n\n dropTargetId: string;\n\n connectors: ConnectorsModel;\n nodes: NodesModel;\n edges: EdgesModel;\n\n constructor(modelValidation: FcModelValidationService,\n model: FcModel,\n cd: ChangeDetectorRef,\n selectedObjects: any[],\n dropNode: (event: Event, node: FcNode) => void,\n createEdge: (event: Event, edge: FcEdge) => Observable,\n edgeAddedCallback: (edge: FcEdge) => void,\n nodeRemovedCallback: (node: FcNode) => void,\n edgeRemovedCallback: (edge: FcEdge) => void,\n canvasHtmlElement: HTMLElement,\n svgHtmlElement: SVGElement) {\n\n this.modelValidation = modelValidation;\n this.model = model;\n this.cd = cd;\n this.canvasHtmlElement = canvasHtmlElement;\n this.svgHtmlElement = svgHtmlElement;\n this.modelValidation.validateModel(this.model);\n this.selectedObjects = selectedObjects;\n\n this.dropNode = dropNode || (() => {});\n this.createEdge = createEdge || (() => of({label: 'label'}));\n this.edgeAddedCallback = edgeAddedCallback || (() => {});\n this.nodeRemovedCallback = nodeRemovedCallback || (() => {});\n this.edgeRemovedCallback = edgeRemovedCallback || (() => {});\n\n this.connectors = new ConnectorsModel(this);\n this.nodes = new NodesModel(this);\n this.edges = new EdgesModel(this);\n }\n\n public detectChanges() {\n setTimeout(() => {\n this.cd.detectChanges();\n }, 0);\n }\n\n public selectObject(object: any) {\n if (this.isEditable()) {\n if (this.selectedObjects.indexOf(object) === -1) {\n this.selectedObjects.push(object);\n }\n }\n }\n\n public deselectObject(object: any) {\n if (this.isEditable()) {\n const index = this.selectedObjects.indexOf(object);\n if (index === -1) {\n throw new Error('Tried to deselect an unselected object');\n }\n this.selectedObjects.splice(index, 1);\n }\n }\n\n public toggleSelectedObject(object: any) {\n if (this.isSelectedObject(object)) {\n this.deselectObject(object);\n } else {\n this.selectObject(object);\n }\n }\n\n public isSelectedObject(object: any): boolean {\n return this.selectedObjects.indexOf(object) !== -1;\n }\n\n public selectAll() {\n this.model.nodes.forEach(node => {\n if (!node.readonly) {\n this.nodes.select(node);\n }\n });\n this.model.edges.forEach(edge => {\n this.edges.select(edge);\n });\n this.detectChanges();\n }\n\n public deselectAll() {\n this.selectedObjects.splice(0, this.selectedObjects.length);\n this.detectChanges();\n }\n\n public isEditObject(object: any): boolean {\n return this.selectedObjects.length === 1 &&\n this.selectedObjects.indexOf(object) !== -1;\n }\n\n private inRectBox(x: number, y: number, rectBox: FcRectBox): boolean {\n return x >= rectBox.left && x <= rectBox.right &&\n y >= rectBox.top && y <= rectBox.bottom;\n }\n\n public getItemInfoAtPoint(x: number, y: number): FcItemInfo {\n return {\n node: this.getNodeAtPoint(x, y),\n edge: this.getEdgeAtPoint(x, y)\n };\n }\n\n public getNodeAtPoint(x: number, y: number): FcNode {\n for (const node of this.model.nodes) {\n const element = this.nodes.getHtmlElement(node.id);\n const nodeElementBox = element.getBoundingClientRect();\n if (x >= nodeElementBox.left && x <= nodeElementBox.right\n && y >= nodeElementBox.top && y <= nodeElementBox.bottom) {\n return node;\n }\n }\n return null;\n }\n\n public getEdgeAtPoint(x: number, y: number): FcEdge {\n const element = document.elementFromPoint(x, y);\n const id = element.id;\n let edgeIndex = -1;\n if (id) {\n if (id.startsWith('fc-edge-path-')) {\n edgeIndex = Number(id.substring('fc-edge-path-'.length));\n } else if (id.startsWith('fc-edge-label-')) {\n edgeIndex = Number(id.substring('fc-edge-label-'.length));\n }\n }\n if (edgeIndex > -1) {\n return this.model.edges[edgeIndex];\n }\n return null;\n }\n\n public selectAllInRect(rectBox: FcRectBox) {\n this.model.nodes.forEach((value) => {\n const element = this.nodes.getHtmlElement(value.id);\n const nodeElementBox = element.getBoundingClientRect();\n if (!value.readonly) {\n const x = nodeElementBox.left + nodeElementBox.width / 2;\n const y = nodeElementBox.top + nodeElementBox.height / 2;\n if (this.inRectBox(x, y, rectBox)) {\n this.nodes.select(value);\n } else {\n if (this.nodes.isSelected(value)) {\n this.nodes.deselect(value);\n }\n }\n }\n });\n const canvasElementBox = this.canvasHtmlElement.getBoundingClientRect();\n this.model.edges.forEach((value) => {\n const start = this.edges.sourceCoord(value);\n const end = this.edges.destCoord(value);\n const x = (start.x + end.x) / 2 + canvasElementBox.left;\n const y = (start.y + end.y) / 2 + canvasElementBox.top;\n if (this.inRectBox(x, y, rectBox)) {\n this.edges.select(value);\n } else {\n if (this.edges.isSelected(value)) {\n this.edges.deselect(value);\n }\n }\n });\n }\n\n public deleteSelected() {\n const edgesToDelete = this.edges.getSelectedEdges();\n edgesToDelete.forEach((edge) => {\n this.edges.delete(edge);\n });\n const nodesToDelete = this.nodes.getSelectedNodes();\n nodesToDelete.forEach((node) => {\n this.nodes.delete(node);\n });\n }\n\n public isEditable(): boolean {\n return this.dropTargetId === undefined;\n }\n\n public isDropSource(): boolean {\n return this.dropTargetId !== undefined;\n }\n\n public getDragImage(): HTMLImageElement {\n if (!this.dragImage) {\n this.dragImage = new Image();\n this.dragImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';\n this.dragImage.style.visibility = 'hidden';\n }\n return this.dragImage;\n }\n\n public registerCallbacks(edgeAddedCallback: (edge: FcEdge) => void,\n nodeRemovedCallback: (node: FcNode) => void,\n edgeRemovedCallback: (edge: FcEdge) => void) {\n this.edgeAddedCallback = edgeAddedCallback;\n this.nodeRemovedCallback = nodeRemovedCallback;\n this.edgeRemovedCallback = edgeRemovedCallback;\n }\n\n}\n\ninterface HtmlElementMap { [id: string]: HTMLElement; }\n\nabstract class AbstractFcModel {\n\n modelService: FcModelService;\n\n protected constructor(modelService: FcModelService) {\n this.modelService = modelService;\n }\n\n public select(object: T) {\n this.modelService.selectObject(object);\n }\n\n public deselect(object: T) {\n this.modelService.deselectObject(object);\n }\n\n public toggleSelected(object: T) {\n this.modelService.toggleSelectedObject(object);\n }\n\n public isSelected(object: T): boolean {\n return this.modelService.isSelectedObject(object);\n }\n\n public isEdit(object: T): boolean {\n return this.modelService.isEditObject(object);\n }\n}\n\nclass ConnectorsModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public getConnector(connectorId: string): FcConnector {\n const model = this.modelService.model;\n for (const node of model.nodes) {\n for (const connector of node.connectors) {\n if (connector.id === connectorId) {\n return connector;\n }\n }\n }\n }\n\n public getHtmlElement(connectorId: string): HTMLElement {\n return this.modelService.connectorsHtmlElements[connectorId];\n }\n\n public setHtmlElement(connectorId: string, element: HTMLElement) {\n this.modelService.connectorsHtmlElements[connectorId] = element;\n this.modelService.detectChanges();\n }\n\n private _getCoords(connectorId: string, centered?: boolean): FcCoords {\n const element = this.getHtmlElement(connectorId);\n const canvas = this.modelService.canvasHtmlElement;\n if (element === null || element === undefined || canvas === null) {\n return {x: 0, y: 0};\n }\n const connectorElementBox = element.getBoundingClientRect();\n const canvasElementBox = canvas.getBoundingClientRect();\n let coords: FcCoords = {\n x: connectorElementBox.left - canvasElementBox.left,\n y: connectorElementBox.top - canvasElementBox.top\n };\n if (centered) {\n coords = {\n x: Math.round(coords.x + element.offsetWidth / 2),\n y: Math.round(coords.y + element.offsetHeight / 2)\n };\n }\n return coords;\n }\n\n public getCoords(connectorId: string): FcCoords {\n return this._getCoords(connectorId, false);\n }\n\n public getCenteredCoord(connectorId: string): FcCoords {\n return this._getCoords(connectorId, true);\n }\n}\n\nclass NodesModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public getConnectorsByType(node: FcNode, type: string): Array {\n return node.connectors.filter((connector) => {\n return connector.type === type;\n });\n }\n\n private _addConnector(node: FcNode, connector: FcConnector) {\n node.connectors.push(connector);\n try {\n this.modelService.modelValidation.validateNode(node);\n } catch (error) {\n node.connectors.splice(node.connectors.indexOf(connector), 1);\n throw error;\n }\n }\n\n public delete(node: FcNode) {\n if (this.isSelected(node)) {\n this.deselect(node);\n }\n const model = this.modelService.model;\n const index = model.nodes.indexOf(node);\n if (index === -1) {\n if (node === undefined) {\n throw new Error('Passed undefined');\n }\n throw new Error('Tried to delete not existing node');\n }\n const connectorIds = this.getConnectorIds(node);\n for (let i = 0; i < model.edges.length; i++) {\n const edge = model.edges[i];\n if (connectorIds.indexOf(edge.source) !== -1 || connectorIds.indexOf(edge.destination) !== -1) {\n this.modelService.edges.delete(edge);\n i--;\n }\n }\n model.nodes.splice(index, 1);\n this.modelService.nodeRemovedCallback(node);\n }\n\n public getSelectedNodes(): Array {\n const model = this.modelService.model;\n return model.nodes.filter((node) => {\n return this.modelService.nodes.isSelected(node);\n });\n }\n\n public handleClicked(node: FcNode, ctrlKey?: boolean) {\n if (ctrlKey) {\n this.modelService.nodes.toggleSelected(node);\n } else {\n this.modelService.deselectAll();\n this.modelService.nodes.select(node);\n }\n }\n\n private _addNode(node: FcNode) {\n const model = this.modelService.model;\n try {\n model.nodes.push(node);\n this.modelService.modelValidation.validateNodes(model.nodes);\n } catch (error) {\n model.nodes.splice(model.nodes.indexOf(node), 1);\n throw error;\n }\n }\n\n public getConnectorIds(node: FcNode): Array {\n return node.connectors.map((connector) => {\n return connector.id;\n });\n }\n\n public getNodeByConnectorId(connectorId: string): FcNode {\n const model = this.modelService.model;\n for (const node of model.nodes) {\n const connectorIds = this.getConnectorIds(node);\n if (connectorIds.indexOf(connectorId) > -1) {\n return node;\n }\n }\n return null;\n }\n\n public getHtmlElement(nodeId: string): HTMLElement {\n return this.modelService.nodesHtmlElements[nodeId];\n }\n\n public setHtmlElement(nodeId: string, element: HTMLElement) {\n this.modelService.nodesHtmlElements[nodeId] = element;\n this.modelService.detectChanges();\n }\n\n}\n\nclass EdgesModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public ready(edge: FcEdge): boolean {\n const source = this.modelService.connectors.getHtmlElement(edge.source);\n const destination = this.modelService.connectors.getHtmlElement(edge.destination);\n return source !== undefined && destination !== undefined;\n }\n\n public sourceCoord(edge: FcEdge): FcCoords {\n return this.modelService.connectors.getCenteredCoord(edge.source);\n }\n\n public destCoord(edge: FcEdge): FcCoords {\n return this.modelService.connectors.getCenteredCoord(edge.destination);\n }\n\n public delete(edge: FcEdge) {\n const model = this.modelService.model;\n const index = model.edges.indexOf(edge);\n if (index === -1) {\n throw new Error('Tried to delete not existing edge');\n }\n if (this.isSelected(edge)) {\n this.deselect(edge);\n }\n model.edges.splice(index, 1);\n this.modelService.edgeRemovedCallback(edge);\n }\n\n public getSelectedEdges(): Array {\n const model = this.modelService.model;\n return model.edges.filter((edge) => {\n return this.modelService.edges.isSelected(edge);\n });\n }\n\n public handleEdgeMouseClick(edge: FcEdge, ctrlKey?: boolean) {\n if (ctrlKey) {\n this.modelService.edges.toggleSelected(edge);\n } else {\n this.modelService.deselectAll();\n this.modelService.edges.select(edge);\n }\n }\n\n public putEdge(edge: FcEdge) {\n const model = this.modelService.model;\n model.edges.push(edge);\n }\n\n public _addEdge(event: Event, sourceConnector: FcConnector, destConnector: FcConnector, label: string) {\n this.modelService.modelValidation.validateConnector(sourceConnector);\n this.modelService.modelValidation.validateConnector(destConnector);\n const edge: FcEdge = {};\n edge.source = sourceConnector.id;\n edge.destination = destConnector.id;\n edge.label = label;\n const model = this.modelService.model;\n this.modelService.modelValidation.validateEdges(model.edges.concat([edge]), model.nodes);\n this.modelService.createEdge(event, edge).subscribe(\n (created) => {\n model.edges.push(created);\n this.modelService.edgeAddedCallback(created);\n }\n );\n }\n}\n","import { Injectable } from '@angular/core';\nimport { FcConnector, FcEdge, FcModel, FcNode, fcTopSort, ModelvalidationError } from './ngx-flowchart.models';\n\n@Injectable()\nexport class FcModelValidationService {\n\n constructor() { }\n\n public validateModel(model: FcModel): FcModel {\n this.validateNodes(model.nodes);\n this._validateEdges(model.edges, model.nodes);\n return model;\n }\n\n public validateNodes(nodes: Array): Array {\n const ids: string[] = [];\n nodes.forEach((node) => {\n this.validateNode(node);\n if (ids.indexOf(node.id) !== -1) {\n throw new ModelvalidationError('Id not unique.');\n }\n ids.push(node.id);\n });\n const connectorIds: string[] = [];\n nodes.forEach((node) => {\n node.connectors.forEach((connector) => {\n if (connectorIds.indexOf(connector.id) !== -1) {\n throw new ModelvalidationError('Id not unique.');\n }\n connectorIds.push(connector.id);\n });\n });\n return nodes;\n }\n\n public validateNode(node: FcNode): FcNode {\n if (node.id === undefined) {\n throw new ModelvalidationError('Id not valid.');\n }\n if (typeof node.name !== 'string') {\n throw new ModelvalidationError('Name not valid.');\n }\n if (typeof node.x !== 'number' || node.x < 0 || Math.round(node.x) !== node.x) {\n throw new ModelvalidationError('Coordinates not valid.');\n }\n if (typeof node.y !== 'number' || node.y < 0 || Math.round(node.y) !== node.y) {\n throw new ModelvalidationError('Coordinates not valid.');\n }\n if (!Array.isArray(node.connectors)) {\n throw new ModelvalidationError('Connectors not valid.');\n }\n node.connectors.forEach((connector) => {\n this.validateConnector(connector);\n });\n return node;\n }\n\n private _validateEdges(edges: Array, nodes: Array): Array {\n edges.forEach((edge) => {\n this._validateEdge(edge, nodes);\n });\n edges.forEach((edge1, index1) => {\n edges.forEach((edge2, index2) => {\n if (index1 !== index2) {\n if ((edge1.source === edge2.source && edge1.destination === edge2.destination) ||\n (edge1.source === edge2.destination && edge1.destination === edge2.source)) {\n throw new ModelvalidationError('Duplicated edge.');\n }\n }\n });\n });\n if (fcTopSort({nodes, edges}) === null) {\n throw new ModelvalidationError('Graph has a circle.');\n }\n return edges;\n }\n\n public validateEdges(edges: Array, nodes: Array): Array {\n this.validateNodes(nodes);\n return this._validateEdges(edges, nodes);\n }\n\n private _validateEdge(edge: FcEdge, nodes: Array): FcEdge {\n if (edge.source === undefined) {\n throw new ModelvalidationError('Source not valid.');\n }\n if (edge.destination === undefined) {\n throw new ModelvalidationError('Destination not valid.');\n }\n if (edge.source === edge.destination) {\n throw new ModelvalidationError('Edge with same source and destination connectors.');\n }\n const sourceNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.source))[0];\n if (sourceNode === undefined) {\n throw new ModelvalidationError('Source not valid.');\n }\n const destinationNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.destination))[0];\n if (destinationNode === undefined) {\n throw new ModelvalidationError('Destination not valid.');\n }\n if (sourceNode === destinationNode) {\n throw new ModelvalidationError('Edge with same source and destination nodes.');\n }\n return edge;\n }\n\n public validateEdge(edge: FcEdge, nodes: Array): FcEdge {\n this.validateNodes(nodes);\n return this._validateEdge(edge, nodes);\n }\n\n public validateConnector(connector: FcConnector): FcConnector {\n if (connector.id === undefined) {\n throw new ModelvalidationError('Id not valid.');\n }\n if (connector.type === undefined || connector.type === null || typeof connector.type !== 'string') {\n throw new ModelvalidationError('Type not valid.');\n }\n return connector;\n }\n\n}\n","import { FcModelService } from './model.service';\nimport { FcCoords, FcNode, FlowchartConstants } from './ngx-flowchart.models';\n\nconst nodeDropScope: NodeDropScope = {\n dropElement: null\n};\n\nexport class FcNodeDraggingService {\n\n nodeDraggingScope: NodeDraggingScope = {\n shadowDragStarted: false,\n dropElement: null,\n draggedNodes: [],\n shadowElements: []\n };\n\n private dragOffsets: FcCoords[] = [];\n private draggedElements: HTMLElement[] = [];\n\n private destinationHtmlElements: HTMLElement[] = [];\n private oldDisplayStyles: string[] = [];\n\n private readonly modelService: FcModelService;\n private readonly automaticResize: boolean;\n private readonly dragAnimation: string;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(modelService: FcModelService,\n applyFunction: (fn: (...args: any[]) => T) => T,\n automaticResize: boolean, dragAnimation: string) {\n this.modelService = modelService;\n this.automaticResize = automaticResize;\n this.dragAnimation = dragAnimation;\n this.applyFunction = applyFunction;\n }\n\n private getCoordinate(coordinate: number, max: number): number {\n coordinate = Math.max(coordinate, 0);\n coordinate = Math.min(coordinate, max);\n return coordinate;\n }\n\n private getXCoordinate(x: number): number {\n return this.getCoordinate(x, this.modelService.canvasHtmlElement.offsetWidth);\n }\n\n private getYCoordinate(y: number): number {\n return this.getCoordinate(y, this.modelService.canvasHtmlElement.offsetHeight);\n }\n\n private resizeCanvas(draggedNode: FcNode, nodeElement: HTMLElement) {\n if (this.automaticResize && !this.modelService.isDropSource()) {\n const canvasElement = this.modelService.canvasHtmlElement;\n if (canvasElement.offsetWidth < draggedNode.x + nodeElement.offsetWidth + FlowchartConstants.canvasResizeThreshold) {\n canvasElement.style.width = canvasElement.offsetWidth + FlowchartConstants.canvasResizeStep + 'px';\n }\n if (canvasElement.offsetHeight < draggedNode.y + nodeElement.offsetHeight + FlowchartConstants.canvasResizeThreshold) {\n canvasElement.style.height = canvasElement.offsetHeight + FlowchartConstants.canvasResizeStep + 'px';\n }\n }\n }\n\n public isDraggingNode(node: FcNode): boolean {\n return this.nodeDraggingScope.draggedNodes.includes(node);\n }\n\n public dragstart(event: DragEvent, node: FcNode) {\n if (node.readonly) {\n return;\n }\n this.dragOffsets.length = 0;\n this.draggedElements.length = 0;\n this.nodeDraggingScope.draggedNodes.length = 0;\n this.nodeDraggingScope.shadowElements.length = 0;\n this.destinationHtmlElements.length = 0;\n this.oldDisplayStyles.length = 0;\n const elements: Array> = [];\n const nodes: Array = [];\n if (this.modelService.nodes.isSelected(node)) {\n const selectedNodes = this.modelService.nodes.getSelectedNodes();\n for (const selectedNode of selectedNodes) {\n const element = $(this.modelService.nodes.getHtmlElement(selectedNode.id));\n elements.push(element);\n nodes.push(selectedNode);\n }\n } else {\n elements.push($(event.target as HTMLElement));\n nodes.push(node);\n }\n const offsetsX: number[] = [];\n const offsetsY: number[] = [];\n for (const element of elements) {\n offsetsX.push(parseInt(element.css('left'), 10) - event.clientX);\n offsetsY.push(parseInt(element.css('top'), 10) - event.clientY);\n }\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n if (this.modelService.isDropSource()) {\n if (nodeDropScope.dropElement) {\n nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n nodeDropScope.dropElement = null;\n }\n nodeDropScope.dropElement = elements[0][0].cloneNode(true) as NodeDropElement;\n const offset = $(this.modelService.canvasHtmlElement).offset();\n nodeDropScope.dropElement.offsetInfo = {\n offsetX: Math.round(offsetsX[0] + offset.left),\n offsetY: Math.round(offsetsY[0] + offset.top)\n };\n nodeDropScope.dropElement.style.position = 'absolute';\n nodeDropScope.dropElement.style.pointerEvents = 'none';\n nodeDropScope.dropElement.style.zIndex = '9999';\n\n document.body.appendChild(nodeDropScope.dropElement);\n const dropNodeInfo: DropNodeInfo = {\n node,\n dropTargetId: this.modelService.dropTargetId,\n offsetX: Math.round(offsetsX[0] + offset.left),\n offsetY: Math.round(offsetsY[0] + offset.top)\n };\n originalEvent.dataTransfer.setData('text', JSON.stringify(dropNodeInfo));\n\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n const target: HTMLElement = event.target as HTMLElement;\n this.destinationHtmlElements.push(target);\n this.oldDisplayStyles.push(target.style.display);\n target.style.display = 'none';\n this.nodeDraggingScope.shadowDragStarted = true;\n }\n return;\n }\n this.nodeDraggingScope.draggedNodes = nodes;\n for (let i = 0; i < elements.length; i++) {\n this.draggedElements.push(elements[i][0]);\n this.dragOffsets.push(\n {\n x: offsetsX[i],\n y: offsetsY[i]\n }\n );\n }\n\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n for (let i = 0; i < this.draggedElements.length; i++) {\n const dragOffset = this.dragOffsets[i];\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const shadowElement = $(``);\n const targetInnerNode = $(this.draggedElements[i]).children()[0];\n shadowElement.children()[0].style.backgroundColor = targetInnerNode.style.backgroundColor;\n this.nodeDraggingScope.shadowElements.push(shadowElement);\n this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[i][0]);\n }\n }\n originalEvent.dataTransfer.setData('text', 'Just to support firefox');\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n for (let i = 0; i < this.draggedElements.length; i++) {\n this.destinationHtmlElements.push(this.draggedElements[i]);\n this.oldDisplayStyles.push(this.destinationHtmlElements[i].style.display);\n this.destinationHtmlElements[i].style.display = 'none';\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.nodeDraggingScope.shadowDragStarted = true;\n }\n }\n }\n\n public drop(event: DragEvent): boolean {\n if (this.modelService.isDropSource()) {\n event.preventDefault();\n return false;\n }\n let dropNode: FcNode = null;\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n const infoText = originalEvent.dataTransfer.getData('text');\n if (infoText) {\n let dropNodeInfo: DropNodeInfo = null;\n try {\n dropNodeInfo = JSON.parse(infoText);\n } catch (e) {}\n if (dropNodeInfo && dropNodeInfo.dropTargetId) {\n if (this.modelService.canvasHtmlElement.id &&\n this.modelService.canvasHtmlElement.id === dropNodeInfo.dropTargetId) {\n dropNode = dropNodeInfo.node;\n const offset = $(this.modelService.canvasHtmlElement).offset();\n const x = event.clientX - offset.left;\n const y = event.clientY - offset.top;\n dropNode.x = Math.round(this.getXCoordinate(dropNodeInfo.offsetX + x));\n dropNode.y = Math.round(this.getYCoordinate(dropNodeInfo.offsetY + y));\n }\n }\n }\n if (dropNode) {\n this.modelService.dropNode(event, dropNode);\n event.preventDefault();\n return false;\n } else if (this.nodeDraggingScope.draggedNodes.length) {\n return this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n draggedNode.x = Math.round(this.getXCoordinate(dragOffset.x + event.clientX));\n draggedNode.y = Math.round(this.getYCoordinate(dragOffset.y + event.clientY));\n }\n event.preventDefault();\n return false;\n });\n }\n }\n\n public dragover(event: DragEvent) {\n if (nodeDropScope.dropElement) {\n const offsetInfo = nodeDropScope.dropElement.offsetInfo;\n nodeDropScope.dropElement.style.left = (offsetInfo.offsetX + event.clientX) + 'px';\n nodeDropScope.dropElement.style.top = (offsetInfo.offsetY + event.clientY) + 'px';\n if (this.nodeDraggingScope.shadowDragStarted) {\n this.applyFunction(() => {\n this.destinationHtmlElements[0].style.display = this.oldDisplayStyles[0];\n this.nodeDraggingScope.shadowDragStarted = false;\n });\n }\n event.preventDefault();\n return;\n }\n if (this.modelService.isDropSource()) {\n event.preventDefault();\n return;\n }\n if (!this.nodeDraggingScope.draggedNodes.length) {\n event.preventDefault();\n return;\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n if (this.nodeDraggingScope.draggedNodes.length) {\n return this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n draggedNode.x = this.getXCoordinate(dragOffset.x + event.clientX);\n draggedNode.y = this.getYCoordinate(dragOffset.y + event.clientY);\n this.resizeCanvas(draggedNode, this.draggedElements[i]);\n }\n event.preventDefault();\n return false;\n });\n }\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.nodeDraggingScope.draggedNodes.length) {\n if (this.nodeDraggingScope.shadowDragStarted) {\n this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n this.destinationHtmlElements[i].style.display = this.oldDisplayStyles[i];\n }\n this.nodeDraggingScope.shadowDragStarted = false;\n });\n }\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n this.nodeDraggingScope.shadowElements[i].css('left', this.getXCoordinate(dragOffset.x + event.clientX) + 'px');\n this.nodeDraggingScope.shadowElements[i].css('top', this.getYCoordinate(dragOffset.y + event.clientY) + 'px');\n this.resizeCanvas(draggedNode, this.draggedElements[i]);\n }\n event.preventDefault();\n }\n }\n }\n\n public dragend(event: DragEvent) {\n this.applyFunction(() => {\n if (nodeDropScope.dropElement) {\n nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n nodeDropScope.dropElement = null;\n }\n if (this.modelService.isDropSource()) {\n return;\n }\n if (this.nodeDraggingScope.shadowElements.length) {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const shadowElement = this.nodeDraggingScope.shadowElements[i];\n draggedNode.x = parseInt(shadowElement.css('left').replace('px', ''), 10);\n draggedNode.y = parseInt(shadowElement.css('top').replace('px', ''), 10);\n this.modelService.canvasHtmlElement.removeChild(shadowElement[0]);\n }\n this.nodeDraggingScope.shadowElements.length = 0;\n }\n\n if (this.nodeDraggingScope.draggedNodes.length) {\n this.nodeDraggingScope.draggedNodes.length = 0;\n this.draggedElements.length = 0;\n this.dragOffsets.length = 0;\n }\n });\n }\n\n}\n\nexport interface NodeDraggingScope {\n draggedNodes: Array;\n shadowElements: Array>;\n shadowDragStarted: boolean;\n dropElement: HTMLElement;\n}\n\nexport interface NodeDropElement extends HTMLElement {\n offsetInfo?: {\n offsetX: number;\n offsetY: number;\n };\n}\n\nexport interface NodeDropScope {\n dropElement: NodeDropElement;\n}\n\nexport interface DropNodeInfo {\n node: FcNode;\n dropTargetId: string;\n offsetX: number;\n offsetY: number;\n}\n","import { Injectable } from '@angular/core';\nimport { FcCoords, FlowchartConstants } from './ngx-flowchart.models';\n\n@Injectable()\nexport class FcEdgeDrawingService {\n\n constructor() {\n }\n\n public getEdgeDAttribute(pt1: FcCoords, pt2: FcCoords, style: string): string {\n let dAddribute = `M ${pt1.x}, ${pt1.y} `;\n if (style === FlowchartConstants.curvedStyle) {\n const sourceTangent = this.computeEdgeSourceTangent(pt1, pt2);\n const destinationTangent = this.computeEdgeDestinationTangent(pt1, pt2);\n dAddribute += `C ${sourceTangent.x}, ${sourceTangent.y} ${(destinationTangent.x - 50)}, ${destinationTangent.y} ${pt2.x}, ${pt2.y}`;\n } else {\n dAddribute += `L ${pt2.x}, ${pt2.y}`;\n }\n return dAddribute;\n }\n\n public getEdgeCenter(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: (pt1.x + pt2.x) / 2,\n y: (pt1.y + pt2.y) / 2\n };\n }\n\n private computeEdgeTangentOffset(pt1: FcCoords, pt2: FcCoords): number {\n return (pt2.y - pt1.y) / 2;\n }\n\n private computeEdgeSourceTangent(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: pt1.x,\n y: pt1.y + this.computeEdgeTangentOffset(pt1, pt2)\n };\n }\n\n private computeEdgeDestinationTangent(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: pt2.x,\n y: pt2.y - this.computeEdgeTangentOffset(pt1, pt2)\n };\n }\n\n}\n","import { FcModelService } from './model.service';\nimport { FcConnector, FcCoords, FcEdge, FcModel, FlowchartConstants, ModelvalidationError } from './ngx-flowchart.models';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcModelValidationService } from './modelvalidation.service';\n\nexport class FcEdgeDraggingService {\n\n edgeDragging: EdgeDragging = {\n isDragging: false,\n dragPoint1: null,\n dragPoint2: null,\n shadowDragStarted: false\n };\n\n private draggedEdgeSource: FcConnector = null;\n private dragOffset: FcCoords = {};\n private destinationHtmlElement: HTMLElement = null;\n private oldDisplayStyle = '';\n\n private readonly modelValidation: FcModelValidationService;\n private readonly edgeDrawingService: FcEdgeDrawingService;\n private readonly modelService: FcModelService;\n private readonly model: FcModel;\n private readonly isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n private readonly dragAnimation: string;\n private readonly edgeStyle: string;\n\n constructor(modelValidation: FcModelValidationService,\n edgeDrawingService: FcEdgeDrawingService,\n modelService: FcModelService,\n model: FcModel,\n isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean,\n applyFunction: (fn: (...args: any[]) => T) => T,\n dragAnimation: string,\n edgeStyle: string) {\n this.modelValidation = modelValidation;\n this.edgeDrawingService = edgeDrawingService;\n this.modelService = modelService;\n this.model = model;\n this.isValidEdgeCallback = isValidEdgeCallback || (() => true);\n this.applyFunction = applyFunction;\n this.dragAnimation = dragAnimation;\n this.edgeStyle = edgeStyle;\n }\n\n public dragstart(event: DragEvent, connector: FcConnector) {\n let swapConnector: FcConnector;\n let dragLabel: string;\n let prevEdge: FcEdge;\n if (connector.type === FlowchartConstants.leftConnectorType) {\n for (const edge of this.model.edges) {\n if (edge === connector.id) {\n swapConnector = this.modelService.connectors.getConnector(edge.source);\n dragLabel = edge.label;\n prevEdge = edge;\n this.applyFunction(() => {\n this.modelService.edges.delete(edge);\n });\n break;\n }\n }\n }\n this.edgeDragging.isDragging = true;\n if (swapConnector !== undefined) {\n this.draggedEdgeSource = swapConnector;\n this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(swapConnector.id);\n this.edgeDragging.dragLabel = dragLabel;\n this.edgeDragging.prevEdge = prevEdge;\n } else {\n this.draggedEdgeSource = connector;\n this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(connector.id);\n }\n const canvas = this.modelService.canvasHtmlElement;\n if (!canvas) {\n throw new Error('No canvas while edgedraggingService found.');\n }\n this.dragOffset.x = -canvas.getBoundingClientRect().left;\n this.dragOffset.y = -canvas.getBoundingClientRect().top;\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n\n originalEvent.dataTransfer.setData('Text', 'Just to support firefox');\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n this.destinationHtmlElement = event.target as HTMLElement;\n this.oldDisplayStyle = this.destinationHtmlElement.style.display;\n this.destinationHtmlElement.style.display = 'none';\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.edgeDragging.shadowDragStarted = true;\n }\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.edgeDragging.gElement === undefined) {\n this.edgeDragging.gElement = $(document.querySelectorAll('.shadow-svg-class'));\n this.edgeDragging.pathElement = $(document.querySelectorAll('.shadow-svg-class')).find('path');\n this.edgeDragging.circleElement = $(document.querySelectorAll('.shadow-svg-class')).find('circle');\n }\n\n this.edgeDragging.gElement.css('display', 'block');\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n }\n event.stopPropagation();\n }\n\n public dragover(event: DragEvent) {\n if (this.edgeDragging.isDragging) {\n if (!this.edgeDragging.magnetActive && this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.destinationHtmlElement !== null) {\n this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n }\n\n if (this.edgeDragging.shadowDragStarted) {\n this.applyFunction(() => {\n this.edgeDragging.shadowDragStarted = false;\n });\n }\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n return this.applyFunction(() => {\n if (this.destinationHtmlElement !== null) {\n this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n }\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n });\n }\n }\n }\n\n public dragoverConnector(event: DragEvent, connector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n this.dragover(event);\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: connector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n event.preventDefault();\n event.stopPropagation();\n return false;\n }\n }\n }\n\n public dragleaveMagnet(event: DragEvent) {\n this.edgeDragging.magnetActive = false;\n }\n\n public dragoverMagnet(event: DragEvent, connector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n this.dragover(event);\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: connector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n\n this.edgeDragging.magnetActive = true;\n\n this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n event.preventDefault();\n event.stopPropagation();\n return false;\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n return this.applyFunction(() => {\n this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n event.preventDefault();\n event.stopPropagation();\n return false;\n });\n }\n }\n }\n }\n\n public dragend(event: DragEvent) {\n if (this.edgeDragging.isDragging) {\n this.edgeDragging.isDragging = false;\n this.edgeDragging.dragPoint1 = null;\n this.edgeDragging.dragPoint2 = null;\n this.edgeDragging.dragLabel = null;\n event.stopPropagation();\n\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.edgeDragging.gElement.css('display', 'none');\n }\n if (this.edgeDragging.prevEdge) {\n const edge = this.edgeDragging.prevEdge;\n this.edgeDragging.prevEdge = null;\n this.applyFunction(() => {\n this.modelService.edges.putEdge(edge);\n });\n }\n }\n }\n\n public drop(event: DragEvent, targetConnector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: targetConnector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n\n if (this.isValidEdgeCallback(this.draggedEdgeSource, targetConnector)) {\n this.edgeDragging.prevEdge = null;\n this.modelService.edges._addEdge(event, this.draggedEdgeSource, targetConnector, this.edgeDragging.dragLabel);\n event.stopPropagation();\n event.preventDefault();\n return false;\n }\n }\n }\n}\n\nexport interface EdgeDragging {\n isDragging: boolean;\n shadowDragStarted: boolean;\n dragPoint1: FcCoords;\n dragPoint2: FcCoords;\n dragLabel?: string;\n prevEdge?: FcEdge;\n magnetActive?: boolean;\n gElement?: JQuery;\n pathElement?: JQuery;\n circleElement?: JQuery;\n}\n","import { FcConnector, FcEdge, FcNode } from './ngx-flowchart.models';\n\nexport class FcMouseOverService {\n\n mouseoverscope: MouseOverScope = {\n connector: null,\n edge: null,\n node: null\n };\n\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(applyFunction: (fn: (...args: any[]) => T) => T) {\n this.applyFunction = applyFunction;\n }\n\n public nodeMouseOver(event: MouseEvent, node: FcNode) {\n return this.applyFunction(() => {\n this.mouseoverscope.node = node;\n });\n }\n\n public nodeMouseOut(event: MouseEvent, node: FcNode) {\n return this.applyFunction(() => {\n this.mouseoverscope.node = null;\n });\n }\n\n public connectorMouseEnter(event: MouseEvent, connector: FcConnector) {\n return this.applyFunction(() => {\n this.mouseoverscope.connector = connector;\n });\n }\n\n public connectorMouseLeave(event: MouseEvent, connector: FcConnector) {\n return this.applyFunction(() => {\n this.mouseoverscope.connector = null;\n });\n }\n\n public edgeMouseEnter(event: MouseEvent, edge: FcEdge) {\n this.mouseoverscope.edge = edge;\n }\n\n public edgeMouseLeave(event: MouseEvent, edge: FcEdge) {\n this.mouseoverscope.edge = null;\n }\n}\n\nexport interface MouseOverScope {\n connector: FcConnector;\n edge: FcEdge;\n node: FcNode;\n}\n","const regex = /(auto|scroll)/;\n\nconst style = (node: Element, prop: string): string =>\n getComputedStyle(node, null).getPropertyValue(prop);\n\nconst scroll = (node: Element) =>\n regex.test(\n style(node, 'overflow') +\n style(node, 'overflow-y') +\n style(node, 'overflow-x'));\n\nconst scrollparent = (node: HTMLElement): HTMLElement =>\n !node || node === document.body\n ? document.body\n : scroll(node)\n ? node\n : scrollparent(node.parentNode as HTMLElement);\n\nexport default scrollparent;\n","import { FcModelService } from './model.service';\nimport { FcRectBox } from 'ngx-flowchart-dev';\nimport scrollparent from './scrollparent';\n\ninterface Rectangle {\n x1: number;\n x2: number;\n y1: number;\n y2: number;\n}\n\nexport class FcRectangleSelectService {\n\n private readonly selectRect: Rectangle = {\n x1: 0,\n x2: 0,\n y1: 0,\n y2: 0\n };\n\n private readonly modelService: FcModelService;\n private readonly selectElement: HTMLElement;\n private readonly $canvasElement: JQuery;\n private readonly $scrollParent: JQuery;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(modelService: FcModelService,\n selectElement: HTMLElement,\n applyFunction: (fn: (...args: any[]) => T) => T) {\n this.modelService = modelService;\n this.selectElement = selectElement;\n this.$canvasElement = $(this.modelService.canvasHtmlElement);\n this.$scrollParent = $(scrollparent(this.modelService.canvasHtmlElement));\n this.applyFunction = applyFunction;\n }\n\n public mousedown(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && this.selectElement.hidden) {\n this.selectElement.hidden = false;\n const offset = this.$canvasElement.offset();\n this.selectRect.x1 = Math.round(e.pageX - offset.left);\n this.selectRect.y1 = Math.round(e.pageY - offset.top);\n this.selectRect.x2 = this.selectRect.x1;\n this.selectRect.y2 = this.selectRect.y1;\n this.updateSelectRect();\n }\n }\n\n public mousemove(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && !this.selectElement.hidden) {\n const offset = this.$canvasElement.offset();\n this.selectRect.x2 = Math.round(e.pageX - offset.left);\n this.selectRect.y2 = Math.round(e.pageY - offset.top);\n this.updateScroll(offset);\n this.updateSelectRect();\n }\n }\n\n private updateScroll(offset: JQuery.Coordinates) {\n const rect = this.$scrollParent[0].getBoundingClientRect();\n const bottom = rect.bottom - offset.top;\n const right = rect.right - offset.left;\n const top = rect.top - offset.top;\n const left = rect.left - offset.left;\n if (this.selectRect.y2 - top < 25) {\n const topScroll = 25 - (this.selectRect.y2 - top);\n const scroll = this.$scrollParent.scrollTop();\n this.$scrollParent.scrollTop(scroll - topScroll);\n } else if (bottom - this.selectRect.y2 < 40) {\n const bottomScroll = 40 - (bottom - this.selectRect.y2);\n const scroll = this.$scrollParent.scrollTop();\n this.$scrollParent.scrollTop(scroll + bottomScroll);\n }\n if (this.selectRect.x2 - left < 25) {\n const leftScroll = 25 - (this.selectRect.x2 - left);\n const scroll = this.$scrollParent.scrollLeft();\n this.$scrollParent.scrollLeft(scroll - leftScroll);\n } else if (right - this.selectRect.x2 < 40) {\n const rightScroll = 40 - (right - this.selectRect.x2);\n const scroll = this.$scrollParent.scrollLeft();\n this.$scrollParent.scrollLeft(scroll + rightScroll);\n }\n }\n\n public mouseup(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && !this.selectElement.hidden) {\n const rectBox = this.selectElement.getBoundingClientRect() as FcRectBox;\n this.selectElement.hidden = true;\n this.selectObjects(rectBox);\n }\n }\n\n private updateSelectRect() {\n const x3 = Math.min(this.selectRect.x1, this.selectRect.x2);\n const x4 = Math.max(this.selectRect.x1, this.selectRect.x2);\n const y3 = Math.min(this.selectRect.y1, this.selectRect.y2);\n const y4 = Math.max(this.selectRect.y1, this.selectRect.y2);\n this.selectElement.style.left = x3 + 'px';\n this.selectElement.style.top = y3 + 'px';\n this.selectElement.style.width = x4 - x3 + 'px';\n this.selectElement.style.height = y4 - y3 + 'px';\n }\n\n private selectObjects(rectBox: FcRectBox) {\n this.applyFunction(() => {\n this.modelService.selectAllInRect(rectBox);\n });\n }\n\n}\n\n","import {\n ChangeDetectionStrategy, ChangeDetectorRef,\n Component,\n DoCheck,\n ElementRef,\n HostBinding,\n HostListener,\n Input,\n IterableDiffer,\n IterableDiffers,\n NgZone,\n OnInit\n} from '@angular/core';\nimport { FcCallbacks, FcEdge, FcModel, FcNode, FlowchartConstants, UserCallbacks, UserNodeCallbacks } from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\nimport { FcModelValidationService } from './modelvalidation.service';\nimport { FcNodeDraggingService } from './node-dragging.service';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcEdgeDraggingService } from './edge-dragging.service';\nimport { FcMouseOverService } from './mouseover.service';\nimport { FcRectangleSelectService } from './rectangleselect.service';\n\n@Component({\n selector: 'fc-canvas',\n templateUrl: './ngx-flowchart.component.html',\n styleUrls: ['./ngx-flowchart.component.scss'],\n changeDetection: ChangeDetectionStrategy.OnPush\n})\nexport class NgxFlowchartComponent implements OnInit, DoCheck {\n\n @HostBinding('attr.class')\n get canvasClass(): string {\n return FlowchartConstants.canvasClass;\n }\n\n @Input()\n model: FcModel;\n\n @Input()\n selectedObjects: any[];\n\n @Input()\n edgeStyle: string;\n\n @Input()\n userCallbacks: UserCallbacks;\n\n @Input()\n automaticResize: boolean;\n\n @Input()\n dragAnimation: string;\n\n @Input()\n nodeWidth: number;\n\n @Input()\n nodeHeight: number;\n\n @Input()\n dropTargetId: string;\n\n callbacks: FcCallbacks;\n\n userNodeCallbacks: UserNodeCallbacks;\n\n modelService: FcModelService;\n nodeDraggingService: FcNodeDraggingService;\n edgeDraggingService: FcEdgeDraggingService;\n mouseoverService: FcMouseOverService;\n rectangleSelectService: FcRectangleSelectService;\n\n arrowDefId: string;\n arrowDefIdSelected: string;\n\n flowchartConstants = FlowchartConstants;\n\n private nodesDiffer: IterableDiffer = this.differs.find([]).create((index, item) => {\n return item;\n });\n\n private edgesDiffer: IterableDiffer = this.differs.find([]).create((index, item) => {\n return item;\n });\n\n constructor(private elementRef: ElementRef,\n private differs: IterableDiffers,\n private modelValidation: FcModelValidationService,\n public edgeDrawingService: FcEdgeDrawingService,\n private cd: ChangeDetectorRef,\n private zone: NgZone) {\n this.arrowDefId = 'arrow-' + Math.random();\n this.arrowDefIdSelected = this.arrowDefId + '-selected';\n }\n\n ngOnInit() {\n if (!this.dropTargetId && this.edgeStyle !== FlowchartConstants.curvedStyle && this.edgeStyle !== FlowchartConstants.lineStyle) {\n throw new Error('edgeStyle not supported.');\n }\n this.nodeHeight = this.nodeHeight || 200;\n this.nodeWidth = this.nodeWidth || 200;\n this.dragAnimation = this.dragAnimation || FlowchartConstants.dragAnimationRepaint;\n this.userCallbacks = this.userCallbacks || {};\n this.automaticResize = this.automaticResize || false;\n\n for (const key of Object.keys(this.userCallbacks)) {\n const callback = this.userCallbacks[key];\n if (typeof callback !== 'function' && key !== 'nodeCallbacks') {\n throw new Error('All callbacks should be functions.');\n }\n }\n\n this.userNodeCallbacks = this.userCallbacks.nodeCallbacks;\n\n const element = $(this.elementRef.nativeElement);\n\n this.modelService = new FcModelService(this.modelValidation, this.model, this.cd, this.selectedObjects,\n this.userCallbacks.dropNode, this.userCallbacks.createEdge, this.userCallbacks.edgeAdded, this.userCallbacks.nodeRemoved,\n this.userCallbacks.edgeRemoved, element[0], element[0].querySelector('svg'));\n\n if (this.dropTargetId) {\n this.modelService.dropTargetId = this.dropTargetId;\n }\n\n const applyFunction = this.zone.run.bind(this.zone);\n\n this.nodeDraggingService = new FcNodeDraggingService(this.modelService, applyFunction,\n this.automaticResize, this.dragAnimation);\n\n this.edgeDraggingService = new FcEdgeDraggingService(this.modelValidation, this.edgeDrawingService, this.modelService,\n this.model, this.userCallbacks.isValidEdge || null, applyFunction,\n this.dragAnimation, this.edgeStyle);\n\n this.mouseoverService = new FcMouseOverService(applyFunction);\n\n this.rectangleSelectService = new FcRectangleSelectService(this.modelService,\n element[0].querySelector('#select-rectangle'), applyFunction);\n\n this.callbacks = {\n nodeDragstart: this.nodeDraggingService.dragstart.bind(this.nodeDraggingService),\n nodeDragend: this.nodeDraggingService.dragend.bind(this.nodeDraggingService),\n edgeDragstart: this.edgeDraggingService.dragstart.bind(this.edgeDraggingService),\n edgeDragend: this.edgeDraggingService.dragend.bind(this.edgeDraggingService),\n edgeDrop: this.edgeDraggingService.drop.bind(this.edgeDraggingService),\n edgeDragoverConnector: this.edgeDraggingService.dragoverConnector.bind(this.edgeDraggingService),\n edgeDragoverMagnet: this.edgeDraggingService.dragoverMagnet.bind(this.edgeDraggingService),\n edgeDragleaveMagnet: this.edgeDraggingService.dragleaveMagnet.bind(this.edgeDraggingService),\n nodeMouseOver: this.mouseoverService.nodeMouseOver.bind(this.mouseoverService),\n nodeMouseOut: this.mouseoverService.nodeMouseOut.bind(this.mouseoverService),\n connectorMouseEnter: this.mouseoverService.connectorMouseEnter.bind(this.mouseoverService),\n connectorMouseLeave: this.mouseoverService.connectorMouseLeave.bind(this.mouseoverService),\n nodeClicked: (event, node) => {\n this.modelService.nodes.handleClicked(node, event.ctrlKey);\n event.stopPropagation();\n event.preventDefault();\n }\n };\n this.adjustCanvasSize(true);\n }\n\n ngDoCheck(): void {\n if (this.model) {\n const nodesChange = this.nodesDiffer.diff(this.model.nodes);\n const edgesChange = this.edgesDiffer.diff(this.model.edges);\n let nodesChanged = false;\n let edgesChanged = false;\n if (nodesChange !== null) {\n nodesChange.forEachAddedItem(() => {\n nodesChanged = true;\n });\n nodesChange.forEachRemovedItem(() => {\n nodesChanged = true;\n });\n }\n if (edgesChange !== null) {\n edgesChange.forEachAddedItem(() => {\n edgesChanged = true;\n });\n edgesChange.forEachRemovedItem(() => {\n edgesChanged = true;\n });\n }\n if (nodesChanged) {\n this.adjustCanvasSize(true);\n }\n if (nodesChanged || edgesChanged) {\n this.cd.detectChanges();\n }\n }\n }\n\n getEdgeDAttribute(edge: FcEdge): string {\n return this.edgeDrawingService.getEdgeDAttribute(this.modelService.edges.sourceCoord(edge),\n this.modelService.edges.destCoord(edge), this.edgeStyle);\n }\n\n public adjustCanvasSize(fit?: boolean) {\n let maxX = 0;\n let maxY = 0;\n const element = $(this.elementRef.nativeElement);\n this.model.nodes.forEach((node) => {\n maxX = Math.max(node.x + this.nodeWidth, maxX);\n maxY = Math.max(node.y + this.nodeHeight, maxY);\n });\n let width;\n let height;\n if (fit) {\n width = maxX;\n height = maxY;\n } else {\n width = Math.max(maxX, element.prop('offsetWidth'));\n height = Math.max(maxY, element.prop('offsetHeight'));\n }\n element.css('width', width + 'px');\n element.css('height', height + 'px');\n }\n\n canvasClick(event: MouseEvent) {}\n\n edgeMouseDown(event: MouseEvent, edge: FcEdge) {\n event.stopPropagation();\n }\n\n edgeClick(event: MouseEvent, edge: FcEdge) {\n this.modelService.edges.handleEdgeMouseClick(edge, event.ctrlKey);\n event.stopPropagation();\n event.preventDefault();\n }\n\n edgeRemove(event: Event, edge: FcEdge) {\n this.modelService.edges.delete(edge);\n event.stopPropagation();\n event.preventDefault();\n }\n\n edgeEdit(event: Event, edge: FcEdge) {\n if (this.userCallbacks.edgeEdit) {\n this.userCallbacks.edgeEdit(event, edge);\n }\n }\n\n edgeDoubleClick(event: MouseEvent, edge: FcEdge) {\n if (this.userCallbacks.edgeDoubleClick) {\n this.userCallbacks.edgeDoubleClick(event, edge);\n }\n }\n\n edgeMouseOver(event: MouseEvent, edge: FcEdge) {\n if (this.userCallbacks.edgeMouseOver) {\n this.userCallbacks.edgeMouseOver(event, edge);\n }\n }\n\n edgeMouseEnter(event: MouseEvent, edge: FcEdge) {\n this.mouseoverService.edgeMouseEnter(event, edge);\n }\n\n edgeMouseLeave(event: MouseEvent, edge: FcEdge) {\n this.mouseoverService.edgeMouseLeave(event, edge);\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n this.nodeDraggingService.dragover(event);\n this.edgeDraggingService.dragover(event);\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n if (event.preventDefault) {\n event.preventDefault();\n }\n if (event.stopPropagation) {\n event.stopPropagation();\n }\n this.nodeDraggingService.drop(event);\n }\n\n @HostListener('mousedown', ['$event'])\n mousedown(event: MouseEvent) {\n this.rectangleSelectService.mousedown(event);\n }\n\n @HostListener('mousemove', ['$event'])\n mousemove(event: MouseEvent) {\n this.rectangleSelectService.mousemove(event);\n }\n\n @HostListener('mouseup', ['$event'])\n mouseup(event: MouseEvent) {\n this.rectangleSelectService.mouseup(event);\n }\n\n}\n","import { Directive, ElementRef, HostListener, Input, OnInit } from '@angular/core';\nimport { FcCallbacks, FcConnector, FlowchartConstants } from './ngx-flowchart.models';\n\n@Directive({\n // tslint:disable-next-line:directive-selector\n selector: '[fc-magnet]'\n})\nexport class FcMagnetDirective implements OnInit {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n connector: FcConnector;\n\n constructor(public elementRef: ElementRef) {\n }\n\n ngOnInit(): void {\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.magnetClass);\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n return this.callbacks.edgeDragoverMagnet(event, this.connector);\n }\n\n @HostListener('dragleave', ['$event'])\n dragleave(event: DragEvent) {\n this.callbacks.edgeDragleaveMagnet(event);\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n return this.callbacks.edgeDrop(event, this.connector);\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n this.callbacks.edgeDragend(event);\n }\n\n}\n","import { Directive, ElementRef, HostListener, Input, OnChanges, OnInit, SimpleChanges } from '@angular/core';\nimport { FcCallbacks, FcConnector, FlowchartConstants } from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\n\n@Directive({\n // tslint:disable-next-line:directive-selector\n selector: '[fc-connector]'\n})\nexport class FcConnectorDirective implements OnInit, OnChanges {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n connector: FcConnector;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n constructor(public elementRef: ElementRef) {\n }\n\n ngOnInit(): void {\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.connectorClass);\n if (this.modelservice.isEditable()) {\n element.attr('draggable', 'true');\n this.updateConnectorClass();\n }\n this.modelservice.connectors.setHtmlElement(this.connector.id, element[0]);\n }\n\n ngOnChanges(changes: SimpleChanges): void {\n let updateConnector = false;\n for (const propName of Object.keys(changes)) {\n const change = changes[propName];\n if (!change.firstChange && change.currentValue !== change.previousValue) {\n if (propName === 'mouseOverConnector') {\n updateConnector = true;\n }\n }\n }\n if (updateConnector && this.modelservice.isEditable()) {\n this.updateConnectorClass();\n }\n }\n\n private updateConnectorClass() {\n const element = $(this.elementRef.nativeElement);\n if (this.connector === this.mouseOverConnector) {\n element.addClass(FlowchartConstants.hoverClass);\n } else {\n element.removeClass(FlowchartConstants.hoverClass);\n }\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n // Skip - conflict with magnet\n /* if (this.modelservice.isEditable()) {\n return this.callbacks.edgeDragoverConnector(event, this.connector);\n }*/\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n return this.callbacks.edgeDrop(event, this.connector);\n }\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.edgeDragend(event);\n }\n }\n\n @HostListener('dragstart', ['$event'])\n dragstart(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.edgeDragstart(event, this.connector);\n }\n }\n\n @HostListener('mouseenter', ['$event'])\n mouseenter(event: MouseEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.connectorMouseEnter(event, this.connector);\n }\n }\n\n @HostListener('mouseleave', ['$event'])\n mouseleave(event: MouseEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.connectorMouseLeave(event, this.connector);\n }\n }\n\n}\n","import {\n Component,\n ComponentFactoryResolver, Directive,\n ElementRef, HostBinding,\n HostListener,\n Inject,\n Input,\n OnChanges,\n OnInit,\n SimpleChanges,\n ViewChild,\n ViewContainerRef\n} from '@angular/core';\nimport {\n FC_NODE_COMPONENT_CONFIG,\n FcCallbacks,\n FcConnector,\n FcNode,\n FcNodeComponentConfig,\n FlowchartConstants,\n UserNodeCallbacks\n} from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\n\n@Component({\n selector: 'fc-node',\n template: ' ',\n styleUrls: ['./node.component.scss']\n})\nexport class FcNodeContainerComponent implements OnInit, OnChanges {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n userNodeCallbacks: UserNodeCallbacks;\n\n @Input()\n node: FcNode;\n\n @Input()\n selected: boolean;\n\n @Input()\n edit: boolean;\n\n @Input()\n underMouse: boolean;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n dragging: boolean;\n\n @HostBinding('attr.id')\n get nodeId(): string {\n return this.node.id;\n }\n\n @HostBinding('style.top')\n get top(): string {\n return this.node.y + 'px';\n }\n\n @HostBinding('style.left')\n get left(): string {\n return this.node.x + 'px';\n }\n\n nodeComponent: FcNodeComponent;\n\n @ViewChild('nodeContent', {read: ViewContainerRef, static: true}) nodeContentContainer: ViewContainerRef;\n\n constructor(@Inject(FC_NODE_COMPONENT_CONFIG) private nodeComponentConfig: FcNodeComponentConfig,\n private elementRef: ElementRef,\n private componentFactoryResolver: ComponentFactoryResolver) {\n }\n\n ngOnInit(): void {\n if (!this.userNodeCallbacks) {\n this.userNodeCallbacks = {};\n }\n this.userNodeCallbacks.nodeEdit = this.userNodeCallbacks.nodeEdit || (() => {});\n this.userNodeCallbacks.doubleClick = this.userNodeCallbacks.doubleClick || (() => {});\n this.userNodeCallbacks.mouseDown = this.userNodeCallbacks.mouseDown || (() => {});\n this.userNodeCallbacks.mouseEnter = this.userNodeCallbacks.mouseEnter || (() => {});\n this.userNodeCallbacks.mouseLeave = this.userNodeCallbacks.mouseLeave || (() => {});\n\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.nodeClass);\n if (!this.node.readonly) {\n element.attr('draggable', 'true');\n }\n this.updateNodeClass();\n this.modelservice.nodes.setHtmlElement(this.node.id, element[0]);\n this.nodeContentContainer.clear();\n const componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType);\n const componentRef = this.nodeContentContainer.createComponent(componentFactory);\n this.nodeComponent = componentRef.instance;\n this.nodeComponent.callbacks = this.callbacks;\n this.nodeComponent.userNodeCallbacks = this.userNodeCallbacks;\n this.nodeComponent.node = this.node;\n this.nodeComponent.modelservice = this.modelservice;\n this.updateNodeComponent();\n }\n\n ngOnChanges(changes: SimpleChanges): void {\n let updateNode = false;\n for (const propName of Object.keys(changes)) {\n const change = changes[propName];\n if (!change.firstChange && change.currentValue !== change.previousValue) {\n if (['selected', 'edit', 'underMouse', 'mouseOverConnector', 'dragging'].includes(propName)) {\n updateNode = true;\n }\n }\n }\n if (updateNode) {\n this.updateNodeClass();\n this.updateNodeComponent();\n }\n }\n\n private updateNodeClass() {\n const element = $(this.elementRef.nativeElement);\n this.toggleClass(element, FlowchartConstants.selectedClass, this.selected);\n this.toggleClass(element, FlowchartConstants.editClass, this.edit);\n this.toggleClass(element, FlowchartConstants.hoverClass, this.underMouse);\n this.toggleClass(element, FlowchartConstants.draggingClass, this.dragging);\n }\n\n private updateNodeComponent() {\n this.nodeComponent.selected = this.selected;\n this.nodeComponent.edit = this.edit;\n this.nodeComponent.underMouse = this.underMouse;\n this.nodeComponent.mouseOverConnector = this.mouseOverConnector;\n this.nodeComponent.dragging = this.dragging;\n }\n\n private toggleClass(element: JQuery, clazz: string, set: boolean) {\n if (set) {\n element.addClass(clazz);\n } else {\n element.removeClass(clazz);\n }\n }\n\n @HostListener('mousedown', ['$event'])\n mousedown(event: MouseEvent) {\n event.stopPropagation();\n }\n\n @HostListener('dragstart', ['$event'])\n dragstart(event: DragEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeDragstart(event, this.node);\n }\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeDragend(event);\n }\n }\n\n @HostListener('click', ['$event'])\n click(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeClicked(event, this.node);\n }\n }\n\n @HostListener('mouseover', ['$event'])\n mouseover(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeMouseOver(event, this.node);\n }\n }\n\n @HostListener('mouseout', ['$event'])\n mouseout(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeMouseOut(event, this.node);\n }\n }\n\n}\n\nexport abstract class FcNodeComponent implements OnInit {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n userNodeCallbacks: UserNodeCallbacks;\n\n @Input()\n node: FcNode;\n\n @Input()\n selected: boolean;\n\n @Input()\n edit: boolean;\n\n @Input()\n underMouse: boolean;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n dragging: boolean;\n\n flowchartConstants = FlowchartConstants;\n\n ngOnInit(): void {\n }\n\n}\n","import { Component } from '@angular/core';\nimport { FcNodeComponent } from './node.component';\n\n@Component({\n selector: 'fc-default-node',\n templateUrl: './default-node.component.html',\n styleUrls: ['./default-node.component.scss']\n})\nexport class DefaultFcNodeComponent extends FcNodeComponent {\n\n constructor() {\n super();\n }\n\n}\n","import { NgModule } from '@angular/core';\nimport { NgxFlowchartComponent } from './ngx-flowchart.component';\nimport { FcModelValidationService } from './modelvalidation.service';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { CommonModule } from '@angular/common';\nimport { FcMagnetDirective } from './magnet.directive';\nimport { FcConnectorDirective } from './connector.directive';\nimport { FcNodeContainerComponent } from './node.component';\nimport { FC_NODE_COMPONENT_CONFIG } from './ngx-flowchart.models';\nimport { DefaultFcNodeComponent } from './default-node.component';\n\n@NgModule({\n entryComponents: [\n DefaultFcNodeComponent\n ],\n declarations: [NgxFlowchartComponent,\n FcMagnetDirective,\n FcConnectorDirective,\n FcNodeContainerComponent,\n DefaultFcNodeComponent],\n providers: [\n FcModelValidationService,\n FcEdgeDrawingService,\n {\n provide: FC_NODE_COMPONENT_CONFIG,\n useValue: {\n nodeComponentType: DefaultFcNodeComponent\n }\n }\n ],\n imports: [\n CommonModule\n ],\n exports: [NgxFlowchartComponent,\n FcMagnetDirective,\n FcConnectorDirective,\n DefaultFcNodeComponent]\n})\nexport class NgxFlowchartModule { 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diff --git a/dist/ngx-flowchart/bundles/ngx-flowchart.umd.min.js b/dist/ngx-flowchart/bundles/ngx-flowchart.umd.min.js
index f4b1561..4724da1 100644
--- a/dist/ngx-flowchart/bundles/ngx-flowchart.umd.min.js
+++ b/dist/ngx-flowchart/bundles/ngx-flowchart.umd.min.js
@@ -1,2 +1,16 @@
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+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("@angular/core"),require("rxjs"),require("@angular/common")):"function"==typeof define&&define.amd?define("ngx-flowchart",["exports","@angular/core","rxjs","@angular/common"],t):t((e=e||self)["ngx-flowchart"]={},e.ng.core,e.rxjs,e.ng.common)}(this,(function(e,t,n,o){"use strict";
+/*! *****************************************************************************
+ Copyright (c) Microsoft Corporation. All rights reserved.
+ Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+ this file except in compliance with the License. You may obtain a copy of the
+ License at http://www.apache.org/licenses/LICENSE-2.0
+
+ THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+ WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+ MERCHANTABLITY OR NON-INFRINGEMENT.
+
+ See the Apache Version 2.0 License for specific language governing permissions
+ and limitations under the License.
+ ***************************************************************************** */var r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])})(e,t)};function i(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}function s(e){var t="function"==typeof Symbol&&e[Symbol.iterator],n=0;return t?t.call(e):{next:function(){return e&&n>=e.length&&(e=void 0),{value:e&&e[n++],done:!e}}}}var a=new t.InjectionToken("fc-node.component.config");var 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n&&(n.startsWith("fc-edge-path-")?o=Number(n.substring("fc-edge-path-".length)):n.startsWith("fc-edge-label-")&&(o=Number(n.substring("fc-edge-label-".length)))),o>-1?this.model.edges[o]:null},e.prototype.selectAllInRect=function(e){var t=this;this.model.nodes.forEach((function(n){var o=t.nodes.getHtmlElement(n.id).getBoundingClientRect();if(!n.readonly){var r=o.left+o.width/2,i=o.top+o.height/2;t.inRectBox(r,i,e)?t.nodes.select(n):t.nodes.isSelected(n)&&t.nodes.deselect(n)}}));var n=this.canvasHtmlElement.getBoundingClientRect();this.model.edges.forEach((function(o){var r=t.edges.sourceCoord(o),i=t.edges.destCoord(o),s=(r.x+i.x)/2+n.left,a=(r.y+i.y)/2+n.top;t.inRectBox(s,a,e)?t.edges.select(o):t.edges.isSelected(o)&&t.edges.deselect(o)}))},e.prototype.deleteSelected=function(){var e=this;this.edges.getSelectedEdges().forEach((function(t){e.edges.delete(t)})),this.nodes.getSelectedNodes().forEach((function(t){e.nodes.delete(t)}))},e.prototype.isEditable=function(){return void 0===this.dropTargetId},e.prototype.isDropSource=function(){return void 0!==this.dropTargetId},e.prototype.getDragImage=function(){return this.dragImage||(this.dragImage=new Image,this.dragImage.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",this.dragImage.style.visibility="hidden"),this.dragImage},e.prototype.registerCallbacks=function(e,t,n){this.edgeAddedCallback=e,this.nodeRemovedCallback=t,this.edgeRemovedCallback=n},e}();var h=function(){function e(e){this.modelService=e}return e.prototype.select=function(e){this.modelService.selectObject(e)},e.prototype.deselect=function(e){this.modelService.deselectObject(e)},e.prototype.toggleSelected=function(e){this.modelService.toggleSelectedObject(e)},e.prototype.isSelected=function(e){return this.modelService.isSelectedObject(e)},e.prototype.isEdit=function(e){return this.modelService.isEditObject(e)},e}();var p=function(e){function t(t){return e.call(this,t)||this}return i(t,e),t.prototype.getConnector=function(e){var t,n,o,r,i=this.modelService.model;try{for(var a=s(i.nodes),d=a.next();!d.done;d=a.next()){var l=d.value;try{for(var c=(o=void 0,s(l.connectors)),g=c.next();!g.done;g=c.next()){var h=g.value;if(h.id===e)return h}}catch(e){o={error:e}}finally{try{g&&!g.done&&(r=c.return)&&r.call(c)}finally{if(o)throw o.error}}}}catch(e){t={error:e}}finally{try{d&&!d.done&&(n=a.return)&&n.call(a)}finally{if(t)throw t.error}}},t.prototype.getHtmlElement=function(e){return this.modelService.connectorsHtmlElements[e]},t.prototype.setHtmlElement=function(e,t){this.modelService.connectorsHtmlElements[e]=t,this.modelService.detectChanges()},t.prototype._getCoords=function(e,t){var n=this.getHtmlElement(e),o=this.modelService.canvasHtmlElement;if(null==n||null===o)return{x:0,y:0};var r=n.getBoundingClientRect(),i=o.getBoundingClientRect(),s={x:r.left-i.left,y:r.top-i.top};return t&&(s={x:Math.round(s.x+n.offsetWidth/2),y:Math.round(s.y+n.offsetHeight/2)}),s},t.prototype.getCoords=function(e){return this._getCoords(e,!1)},t.prototype.getCenteredCoord=function(e){return this._getCoords(e,!0)},t}(h),u=function(e){function t(t){return e.call(this,t)||this}return i(t,e),t.prototype.getConnectorsByType=function(e,t){return e.connectors.filter((function(e){return e.type===t}))},t.prototype._addConnector=function(e,t){e.connectors.push(t);try{this.modelService.modelValidation.validateNode(e)}catch(n){throw e.connectors.splice(e.connectors.indexOf(t),1),n}},t.prototype.delete=function(e){this.isSelected(e)&&this.deselect(e);var t=this.modelService.model,n=t.nodes.indexOf(e);if(-1===n){if(void 0===e)throw new Error("Passed undefined");throw new Error("Tried to delete not existing node")}for(var o=this.getConnectorIds(e),r=0;r-1)return a}}catch(e){t={error:e}}finally{try{i&&!i.done&&(n=r.return)&&n.call(r)}finally{if(t)throw t.error}}return null},t.prototype.getHtmlElement=function(e){return this.modelService.nodesHtmlElements[e]},t.prototype.setHtmlElement=function(e,t){this.modelService.nodesHtmlElements[e]=t,this.modelService.detectChanges()},t}(h),f=function(e){function t(t){return e.call(this,t)||this}return i(t,e),t.prototype.ready=function(e){var t=this.modelService.connectors.getHtmlElement(e.source),n=this.modelService.connectors.getHtmlElement(e.destination);return void 0!==t&&void 0!==n},t.prototype.sourceCoord=function(e){return this.modelService.connectors.getCenteredCoord(e.source)},t.prototype.destCoord=function(e){return this.modelService.connectors.getCenteredCoord(e.destination)},t.prototype.delete=function(e){var t=this.modelService.model,n=t.edges.indexOf(e);if(-1===n)throw new Error("Tried to delete not existing edge");this.isSelected(e)&&this.deselect(e),t.edges.splice(n,1),this.modelService.edgeRemovedCallback(e)},t.prototype.getSelectedEdges=function(){var e=this;return this.modelService.model.edges.filter((function(t){return e.modelService.edges.isSelected(t)}))},t.prototype.handleEdgeMouseClick=function(e,t){t?this.modelService.edges.toggleSelected(e):(this.modelService.deselectAll(),this.modelService.edges.select(e))},t.prototype.putEdge=function(e){this.modelService.model.edges.push(e)},t.prototype._addEdge=function(e,t,n,o){var r=this;this.modelService.modelValidation.validateConnector(t),this.modelService.modelValidation.validateConnector(n);var i={};i.source=t.id,i.destination=n.id,i.label=o;var s=this.modelService.model;this.modelService.modelValidation.validateEdges(s.edges.concat([i]),s.nodes),this.modelService.createEdge(e,i).subscribe((function(e){s.edges.push(e),r.modelService.edgeAddedCallback(e)}))},t}(h),v=function(){function e(){}return e.prototype.validateModel=function(e){return this.validateNodes(e.nodes),this._validateEdges(e.edges,e.nodes),e},e.prototype.validateNodes=function(e){var t=this,n=[];e.forEach((function(e){if(t.validateNode(e),-1!==n.indexOf(e.id))throw new l("Id not unique.");n.push(e.id)}));var o=[];return e.forEach((function(e){e.connectors.forEach((function(e){if(-1!==o.indexOf(e.id))throw new l("Id not unique.");o.push(e.id)}))})),e},e.prototype.validateNode=function(e){var t=this;if(void 0===e.id)throw new l("Id not valid.");if("string"!=typeof e.name)throw new l("Name not valid.");if("number"!=typeof e.x||e.x<0||Math.round(e.x)!==e.x)throw new l("Coordinates not valid.");if("number"!=typeof e.y||e.y<0||Math.round(e.y)!==e.y)throw new l("Coordinates not valid.");if(!Array.isArray(e.connectors))throw new l("Connectors not valid.");return e.connectors.forEach((function(e){t.validateConnector(e)})),e},e.prototype._validateEdges=function(e,t){var n=this;if(e.forEach((function(e){n._validateEdge(e,t)})),e.forEach((function(t,n){e.forEach((function(e,o){if(n!==o&&(t.source===e.source&&t.destination===e.destination||t.source===e.destination&&t.destination===e.source))throw new l("Duplicated edge.")}))})),null===c({nodes:t,edges:e}))throw new l("Graph has a circle.");return e},e.prototype.validateEdges=function(e,t){return this.validateNodes(t),this._validateEdges(e,t)},e.prototype._validateEdge=function(e,t){if(void 0===e.source)throw new l("Source not valid.");if(void 0===e.destination)throw new l("Destination not valid.");if(e.source===e.destination)throw new l("Edge with same source and destination connectors.");var n=t.filter((function(t){return t.connectors.some((function(t){return t.id===e.source}))}))[0];if(void 0===n)throw new l("Source not valid.");var o=t.filter((function(t){return t.connectors.some((function(t){return t.id===e.destination}))}))[0];if(void 0===o)throw new l("Destination not valid.");if(n===o)throw new l("Edge with same source and destination nodes.");return e},e.prototype.validateEdge=function(e,t){return this.validateNodes(t),this._validateEdge(e,t)},e.prototype.validateConnector=function(e){if(void 0===e.id)throw new l("Id not valid.");if(void 0===e.type||null===e.type||"string"!=typeof e.type)throw new l("Type not valid.");return e},e.decorators=[{type:t.Injectable}],e.ctorParameters=function(){return[]},e}(),m={dropElement:null},y=function(){function e(e,t,n,o){this.nodeDraggingScope={shadowDragStarted:!1,dropElement:null,draggedNodes:[],shadowElements:[]},this.dragOffsets=[],this.draggedElements=[],this.destinationHtmlElements=[],this.oldDisplayStyles=[],this.modelService=e,this.automaticResize=n,this.dragAnimation=o,this.applyFunction=t}return e.prototype.getCoordinate=function(e,t){return e=Math.max(e,0),e=Math.min(e,t)},e.prototype.getXCoordinate=function(e){return this.getCoordinate(e,this.modelService.canvasHtmlElement.offsetWidth)},e.prototype.getYCoordinate=function(e){return this.getCoordinate(e,this.modelService.canvasHtmlElement.offsetHeight)},e.prototype.resizeCanvas=function(e,t){if(this.automaticResize&&!this.modelService.isDropSource()){var n=this.modelService.canvasHtmlElement;n.offsetWidth"),I=$(this.draggedElements[w]).children()[0];O.children()[0].style.backgroundColor=I.style.backgroundColor,this.nodeDraggingScope.shadowElements.push(O),this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[w][0])}if(S.dataTransfer.setData("text","Just to support firefox"),S.dataTransfer.setDragImage)S.dataTransfer.setDragImage(this.modelService.getDragImage(),0,0);else{for(w=0;w\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\n {{edgeDraggingService.edgeDragging.dragLabel}} \n
\n
\n \n
\n
\n \n
\n
\n ×\n
\n
{{edge.label}} \n
\n
\n \n
\n\n',changeDetection:t.ChangeDetectionStrategy.OnPush,styles:[":host{display:block;position:relative;width:100%;height:100%;background-size:25px 25px;background-image:linear-gradient(to right,rgba(0,0,0,.1) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.1) 1px,transparent 1px);background-color:transparent;min-width:100%;min-height:100%;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-canvas-container{display:block;position:relative;width:100%;height:100%}:host .fc-canvas-container svg.fc-canvas-svg{display:block;position:relative;width:100%;height:100%}:host .fc-edge{stroke:gray;stroke-width:4;transition:stroke-width .2s;fill:transparent}:host .fc-edge.fc-hover{stroke:gray;stroke-width:6;fill:transparent}:host .fc-edge.fc-selected{stroke:red;stroke-width:4;fill:transparent}:host .fc-edge.fc-active{-webkit-animation:3s linear infinite dash;animation:3s linear infinite dash;stroke-dasharray:20}:host .fc-edge.fc-dragging{pointer-events:none}:host .fc-arrow-marker polygon{stroke:gray;fill:gray}:host .fc-arrow-marker-selected polygon{stroke:red;fill:red}:host .edge-endpoint{fill:gray}:host .fc-noselect{-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-edge-label{position:absolute;opacity:.8;transition:transform .2s;transform-origin:bottom left;margin:0 auto}:host .fc-edge-label .fc-edge-label-text{position:absolute;transform:translate(-50%,-50%);white-space:nowrap;text-align:center;font-size:16px}:host .fc-edge-label .fc-edge-label-text span{cursor:default;border:solid #ff3d00;border-radius:10px;color:#ff3d00;background-color:#fff;padding:3px 5px}:host .fc-edge-label .fc-nodeedit{top:-30px;right:14px}:host .fc-edge-label .fc-nodedelete{top:-30px;right:-13px}:host .fc-edge-label.fc-hover{transform:scale(1.25)}:host .fc-edge-label.fc-edit .fc-edge-label-text span,:host .fc-edge-label.fc-selected .fc-edge-label-text span{border:solid red;color:#fff;font-weight:600;background-color:red}:host .fc-select-rectangle{border:2px dashed #5262ff;position:absolute;background:rgba(20,125,255,.1);z-index:2}@-webkit-keyframes dash{from{stroke-dashoffset:500}}@keyframes dash{from{stroke-dashoffset:500}}:host ::ng-deep .fc-nodeedit{display:none;font-size:15px}:host ::ng-deep .fc-nodedelete{display:none;font-size:18px}:host ::ng-deep .fc-edit .fc-nodedelete,:host ::ng-deep .fc-edit .fc-nodeedit{display:block;position:absolute;border:2px solid #eee;border-radius:50%;font-weight:600;line-height:20px;height:20px;padding-top:2px;width:22px;background:#494949;color:#fff;text-align:center;vertical-align:bottom;cursor:pointer}:host ::ng-deep .fc-edit .fc-nodeedit{top:-24px;right:16px}:host ::ng-deep .fc-edit .fc-nodedelete{top:-24px;right:-13px}"]}]}],e.ctorParameters=function(){return[{type:t.ElementRef},{type:t.IterableDiffers},{type:v},{type:C},{type:t.ChangeDetectorRef},{type:t.NgZone}]},e.propDecorators={canvasClass:[{type:t.HostBinding,args:["attr.class"]}],model:[{type:t.Input}],selectedObjects:[{type:t.Input}],edgeStyle:[{type:t.Input}],userCallbacks:[{type:t.Input}],automaticResize:[{type:t.Input}],dragAnimation:[{type:t.Input}],nodeWidth:[{type:t.Input}],nodeHeight:[{type:t.Input}],dropTargetId:[{type:t.Input}],dragover:[{type:t.HostListener,args:["dragover",["$event"]]}],drop:[{type:t.HostListener,args:["drop",["$event"]]}],mousedown:[{type:t.HostListener,args:["mousedown",["$event"]]}],mousemove:[{type:t.HostListener,args:["mousemove",["$event"]]}],mouseup:[{type:t.HostListener,args:["mouseup",["$event"]]}]},e}();var I=function(){function e(e){this.elementRef=e}return e.prototype.ngOnInit=function(){$(this.elementRef.nativeElement).addClass(d.magnetClass)},e.prototype.dragover=function(e){return this.callbacks.edgeDragoverMagnet(e,this.connector)},e.prototype.dragleave=function(e){this.callbacks.edgeDragleaveMagnet(e)},e.prototype.drop=function(e){return this.callbacks.edgeDrop(e,this.connector)},e.prototype.dragend=function(e){this.callbacks.edgeDragend(e)},e.decorators=[{type:t.Directive,args:[{selector:"[fc-magnet]"}]}],e.ctorParameters=function(){return[{type:t.ElementRef}]},e.propDecorators={callbacks:[{type:t.Input}],connector:[{type:t.Input}],dragover:[{type:t.HostListener,args:["dragover",["$event"]]}],dragleave:[{type:t.HostListener,args:["dragleave",["$event"]]}],drop:[{type:t.HostListener,args:["drop",["$event"]]}],dragend:[{type:t.HostListener,args:["dragend",["$event"]]}]},e}();var A=function(){function e(e){this.elementRef=e}return e.prototype.ngOnInit=function(){var e=$(this.elementRef.nativeElement);e.addClass(d.connectorClass),this.modelservice.isEditable()&&(e.attr("draggable","true"),this.updateConnectorClass()),this.modelservice.connectors.setHtmlElement(this.connector.id,e[0])},e.prototype.ngOnChanges=function(e){var t,n,o=!1;try{for(var r=s(Object.keys(e)),i=r.next();!i.done;i=r.next()){var a=i.value,d=e[a];d.firstChange||d.currentValue===d.previousValue||"mouseOverConnector"===a&&(o=!0)}}catch(e){t={error:e}}finally{try{i&&!i.done&&(n=r.return)&&n.call(r)}finally{if(t)throw t.error}}o&&this.modelservice.isEditable()&&this.updateConnectorClass()},e.prototype.updateConnectorClass=function(){var e=$(this.elementRef.nativeElement);this.connector===this.mouseOverConnector?e.addClass(d.hoverClass):e.removeClass(d.hoverClass)},e.prototype.dragover=function(e){},e.prototype.drop=function(e){if(this.modelservice.isEditable())return this.callbacks.edgeDrop(e,this.connector)},e.prototype.dragend=function(e){this.modelservice.isEditable()&&this.callbacks.edgeDragend(e)},e.prototype.dragstart=function(e){this.modelservice.isEditable()&&this.callbacks.edgeDragstart(e,this.connector)},e.prototype.mouseenter=function(e){this.modelservice.isEditable()&&this.callbacks.connectorMouseEnter(e,this.connector)},e.prototype.mouseleave=function(e){this.modelservice.isEditable()&&this.callbacks.connectorMouseLeave(e,this.connector)},e.decorators=[{type:t.Directive,args:[{selector:"[fc-connector]"}]}],e.ctorParameters=function(){return[{type:t.ElementRef}]},e.propDecorators={callbacks:[{type:t.Input}],modelservice:[{type:t.Input}],connector:[{type:t.Input}],mouseOverConnector:[{type:t.Input}],dragover:[{type:t.HostListener,args:["dragover",["$event"]]}],drop:[{type:t.HostListener,args:["drop",["$event"]]}],dragend:[{type:t.HostListener,args:["dragend",["$event"]]}],dragstart:[{type:t.HostListener,args:["dragstart",["$event"]]}],mouseenter:[{type:t.HostListener,args:["mouseenter",["$event"]]}],mouseleave:[{type:t.HostListener,args:["mouseleave",["$event"]]}]},e}();var R=function(){function e(e,t,n){this.nodeComponentConfig=e,this.elementRef=t,this.componentFactoryResolver=n}return Object.defineProperty(e.prototype,"nodeId",{get:function(){return this.node.id},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"top",{get:function(){return this.node.y+"px"},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"left",{get:function(){return this.node.x+"px"},enumerable:!0,configurable:!0}),e.prototype.ngOnInit=function(){this.userNodeCallbacks||(this.userNodeCallbacks={}),this.userNodeCallbacks.nodeEdit=this.userNodeCallbacks.nodeEdit||function(){},this.userNodeCallbacks.doubleClick=this.userNodeCallbacks.doubleClick||function(){},this.userNodeCallbacks.mouseDown=this.userNodeCallbacks.mouseDown||function(){},this.userNodeCallbacks.mouseEnter=this.userNodeCallbacks.mouseEnter||function(){},this.userNodeCallbacks.mouseLeave=this.userNodeCallbacks.mouseLeave||function(){};var e=$(this.elementRef.nativeElement);e.addClass(d.nodeClass),this.node.readonly||e.attr("draggable","true"),this.updateNodeClass(),this.modelservice.nodes.setHtmlElement(this.node.id,e[0]),this.nodeContentContainer.clear();var t=this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType),n=this.nodeContentContainer.createComponent(t);this.nodeComponent=n.instance,this.nodeComponent.callbacks=this.callbacks,this.nodeComponent.userNodeCallbacks=this.userNodeCallbacks,this.nodeComponent.node=this.node,this.nodeComponent.modelservice=this.modelservice,this.updateNodeComponent()},e.prototype.ngOnChanges=function(e){var t,n,o=!1;try{for(var r=s(Object.keys(e)),i=r.next();!i.done;i=r.next()){var a=i.value,d=e[a];d.firstChange||d.currentValue===d.previousValue||["selected","edit","underMouse","mouseOverConnector","dragging"].includes(a)&&(o=!0)}}catch(e){t={error:e}}finally{try{i&&!i.done&&(n=r.return)&&n.call(r)}finally{if(t)throw t.error}}o&&(this.updateNodeClass(),this.updateNodeComponent())},e.prototype.updateNodeClass=function(){var e=$(this.elementRef.nativeElement);this.toggleClass(e,d.selectedClass,this.selected),this.toggleClass(e,d.editClass,this.edit),this.toggleClass(e,d.hoverClass,this.underMouse),this.toggleClass(e,d.draggingClass,this.dragging)},e.prototype.updateNodeComponent=function(){this.nodeComponent.selected=this.selected,this.nodeComponent.edit=this.edit,this.nodeComponent.underMouse=this.underMouse,this.nodeComponent.mouseOverConnector=this.mouseOverConnector,this.nodeComponent.dragging=this.dragging},e.prototype.toggleClass=function(e,t,n){n?e.addClass(t):e.removeClass(t)},e.prototype.mousedown=function(e){e.stopPropagation()},e.prototype.dragstart=function(e){this.node.readonly||this.callbacks.nodeDragstart(e,this.node)},e.prototype.dragend=function(e){this.node.readonly||this.callbacks.nodeDragend(e)},e.prototype.click=function(e){this.node.readonly||this.callbacks.nodeClicked(e,this.node)},e.prototype.mouseover=function(e){this.node.readonly||this.callbacks.nodeMouseOver(e,this.node)},e.prototype.mouseout=function(e){this.node.readonly||this.callbacks.nodeMouseOut(e,this.node)},e.decorators=[{type:t.Component,args:[{selector:"fc-node",template:" ",styles:[":host{position:absolute;z-index:1}:host.fc-dragging{z-index:10}:host ::ng-deep .fc-leftConnectors,:host ::ng-deep .fc-rightConnectors{position:absolute;top:0;height:100%;display:flex;flex-direction:column;z-index:-10}:host ::ng-deep .fc-leftConnectors .fc-magnet,:host ::ng-deep .fc-rightConnectors .fc-magnet{align-items:center}:host ::ng-deep .fc-leftConnectors{left:-20px}:host ::ng-deep .fc-rightConnectors{right:-20px}:host ::ng-deep .fc-magnet{display:flex;flex-grow:1;height:60px;justify-content:center}:host ::ng-deep .fc-connector{width:18px;height:18px;border:10px solid transparent;-moz-background-clip:padding;-webkit-background-clip:padding;background-clip:padding-box;border-radius:50%;background-color:#f7a789;color:#fff;pointer-events:all}:host ::ng-deep .fc-connector.fc-hover{background-color:#000}"]}]}],e.ctorParameters=function(){return[{type:void 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\n
{{ node.name }}
\n\n
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\n \n
\n
\n ×\n
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diff --git a/dist/ngx-flowchart/bundles/ngx-flowchart.umd.min.js.map b/dist/ngx-flowchart/bundles/ngx-flowchart.umd.min.js.map
index 04b7470..286735c 100644
--- a/dist/ngx-flowchart/bundles/ngx-flowchart.umd.min.js.map
+++ b/dist/ngx-flowchart/bundles/ngx-flowchart.umd.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
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You may obtain a copy of the\r\nLicense at http://www.apache.org/licenses/LICENSE-2.0\r\n\r\nTHIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\nKIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED\r\nWARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,\r\nMERCHANTABLITY OR NON-INFRINGEMENT.\r\n\r\nSee the Apache Version 2.0 License for specific language governing permissions\r\nand limitations under the License.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? 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d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator], i = 0;\r\n if (m) return m.call(o);\r\n return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n};\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\r\n result.default = mod;\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n","import { Observable } from 'rxjs';\nimport { InjectionToken, Type } from '@angular/core';\nimport { FcNodeComponent } from './node.component';\n\nexport const FC_NODE_COMPONENT_CONFIG = new InjectionToken('fc-node.component.config');\n\nexport interface FcNodeComponentConfig {\n nodeComponentType: Type;\n}\n\nconst htmlPrefix = 'fc';\nconst leftConnectorType = 'leftConnector';\nconst rightConnectorType = 'rightConnector';\n\nexport const FlowchartConstants = {\n htmlPrefix,\n leftConnectorType,\n rightConnectorType,\n curvedStyle: 'curved',\n lineStyle: 'line',\n dragAnimationRepaint: 'repaint',\n dragAnimationShadow: 'shadow',\n canvasClass: htmlPrefix + '-canvas',\n selectedClass: htmlPrefix + '-selected',\n editClass: htmlPrefix + '-edit',\n activeClass: htmlPrefix + '-active',\n hoverClass: htmlPrefix + '-hover',\n draggingClass: htmlPrefix + '-dragging',\n edgeClass: htmlPrefix + '-edge',\n edgeLabelClass: htmlPrefix + '-edge-label',\n connectorClass: htmlPrefix + '-connector',\n magnetClass: htmlPrefix + '-magnet',\n nodeClass: htmlPrefix + '-node',\n nodeOverlayClass: htmlPrefix + '-node-overlay',\n leftConnectorClass: htmlPrefix + '-' + leftConnectorType + 's',\n rightConnectorClass: htmlPrefix + '-' + rightConnectorType + 's',\n canvasResizeThreshold: 200,\n canvasResizeStep: 200\n};\n\n\nexport interface FcCoords {\n x?: number;\n y?: number;\n}\n\nexport interface FcOffset {\n top: number;\n left: number;\n}\n\nexport interface FcRectBox {\n top: number;\n left: number;\n right: number;\n bottom: number;\n}\n\nexport interface FcConnector {\n id: string;\n type: string;\n}\n\nexport interface FcNode extends FcCoords {\n id: string;\n name: string;\n connectors: Array;\n readonly?: boolean;\n [key: string]: any;\n}\n\nexport interface FcEdge {\n label?: string;\n source?: string;\n destination?: string;\n active?: boolean;\n}\n\nexport interface FcItemInfo {\n node?: FcNode;\n edge?: FcEdge;\n}\n\nexport interface FcModel {\n nodes: Array;\n edges: Array;\n}\n\nexport interface UserCallbacks {\n dropNode?: (event: Event, node: FcNode) => void;\n createEdge?: (event: Event, edge: FcEdge) => Observable;\n edgeAdded?: (edge: FcEdge) => void;\n nodeRemoved?: (node: FcNode) => void;\n edgeRemoved?: (edge: FcEdge) => void;\n edgeDoubleClick?: (event: MouseEvent, edge: FcEdge) => void;\n edgeMouseOver?: (event: MouseEvent, edge: FcEdge) => void;\n isValidEdge?: (source: FcConnector, destination: FcConnector) => boolean;\n edgeEdit?: (event: Event, edge: FcEdge) => void;\n nodeCallbacks?: UserNodeCallbacks;\n}\n\nexport interface UserNodeCallbacks {\n nodeEdit?: (event: MouseEvent, node: FcNode) => void;\n doubleClick?: (event: MouseEvent, node: FcNode) => void;\n mouseDown?: (event: MouseEvent, node: FcNode) => void;\n mouseEnter?: (event: MouseEvent, node: FcNode) => void;\n mouseLeave?: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcCallbacks {\n nodeDragstart: (event: DragEvent, node: FcNode) => void;\n nodeDragend: (event: DragEvent) => void;\n edgeDragstart: (event: DragEvent, connector: FcConnector) => void;\n edgeDragend: (event: DragEvent) => void;\n edgeDrop: (event: DragEvent, targetConnector: FcConnector) => boolean;\n edgeDragoverConnector: (event: DragEvent, connector: FcConnector) => boolean;\n edgeDragoverMagnet: (event: DragEvent, connector: FcConnector) => boolean;\n edgeDragleaveMagnet: (event: DragEvent) => void;\n nodeMouseOver: (event: MouseEvent, node: FcNode) => void;\n nodeMouseOut: (event: MouseEvent, node: FcNode) => void;\n connectorMouseEnter: (event: MouseEvent, connector: FcConnector) => void;\n connectorMouseLeave: (event: MouseEvent, connector: FcConnector) => void;\n nodeClicked: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcAdjacentList {\n [id: string]: {\n incoming: number;\n outgoing: Array;\n };\n}\n\nexport class ModelvalidationError extends Error {\n constructor(message: string) {\n super(message);\n }\n}\n\nexport function fcTopSort(graph: FcModel): Array | null {\n const adjacentList: FcAdjacentList = {};\n graph.nodes.forEach((node) => {\n adjacentList[node.id] = {incoming: 0, outgoing: []};\n });\n graph.edges.forEach((edge) => {\n const sourceNode = graph.nodes.filter((node) => {\n return node.connectors.some((connector) => {\n return connector.id === edge.source;\n });\n })[0];\n const destinationNode = graph.nodes.filter((node) => {\n return node.connectors.some((connector) => {\n return connector.id === edge.destination;\n });\n })[0];\n adjacentList[sourceNode.id].outgoing.push(destinationNode.id);\n adjacentList[destinationNode.id].incoming++;\n });\n const orderedNodes: string[] = [];\n const sourceNodes: string[] = [];\n for (const node of Object.keys(adjacentList)) {\n const edges = adjacentList[node];\n if (edges.incoming === 0) {\n sourceNodes.push(node);\n }\n }\n while (sourceNodes.length !== 0) {\n const sourceNode = sourceNodes.pop();\n for (let i = 0; i < adjacentList[sourceNode].outgoing.length; i++) {\n const destinationNode = adjacentList[sourceNode].outgoing[i];\n adjacentList[destinationNode].incoming--;\n if (adjacentList[destinationNode].incoming === 0) {\n sourceNodes.push(destinationNode);\n }\n adjacentList[sourceNode].outgoing.splice(i, 1);\n i--;\n }\n orderedNodes.push(sourceNode);\n }\n let hasEdges = false;\n for (const node of Object.keys(adjacentList)) {\n const edges = adjacentList[node];\n if (edges.incoming !== 0) {\n hasEdges = true;\n }\n }\n if (hasEdges) {\n return null;\n } else {\n return orderedNodes;\n }\n}\n","import { FcModelValidationService } from './modelvalidation.service';\nimport { FcConnector, FcCoords, FcEdge, FcItemInfo, FcModel, FcNode, FcRectBox } from './ngx-flowchart.models';\nimport { Observable, of } from 'rxjs';\nimport { ChangeDetectorRef } from '@angular/core';\n\nexport class FcModelService {\n\n modelValidation: FcModelValidationService;\n model: FcModel;\n cd: ChangeDetectorRef;\n selectedObjects: any[];\n\n connectorsHtmlElements: HtmlElementMap = {};\n nodesHtmlElements: HtmlElementMap = {};\n canvasHtmlElement: HTMLElement = null;\n dragImage: HTMLImageElement = null;\n svgHtmlElement: SVGElement = null;\n\n dropNode: (event: Event, node: FcNode) => void;\n createEdge: (event: Event, edge: FcEdge) => Observable;\n edgeAddedCallback: (edge: FcEdge) => void;\n nodeRemovedCallback: (node: FcNode) => void;\n edgeRemovedCallback: (edge: FcEdge) => void;\n\n dropTargetId: string;\n\n connectors: ConnectorsModel;\n nodes: NodesModel;\n edges: EdgesModel;\n\n constructor(modelValidation: FcModelValidationService,\n model: FcModel,\n cd: ChangeDetectorRef,\n selectedObjects: any[],\n dropNode: (event: Event, node: FcNode) => void,\n createEdge: (event: Event, edge: FcEdge) => Observable,\n edgeAddedCallback: (edge: FcEdge) => void,\n nodeRemovedCallback: (node: FcNode) => void,\n edgeRemovedCallback: (edge: FcEdge) => void,\n canvasHtmlElement: HTMLElement,\n svgHtmlElement: SVGElement) {\n\n this.modelValidation = modelValidation;\n this.model = model;\n this.cd = cd;\n this.canvasHtmlElement = canvasHtmlElement;\n this.svgHtmlElement = svgHtmlElement;\n this.modelValidation.validateModel(this.model);\n this.selectedObjects = selectedObjects;\n\n this.dropNode = dropNode || (() => {});\n this.createEdge = createEdge || (() => of({label: 'label'}));\n this.edgeAddedCallback = edgeAddedCallback || (() => {});\n this.nodeRemovedCallback = nodeRemovedCallback || (() => {});\n this.edgeRemovedCallback = edgeRemovedCallback || (() => {});\n\n this.connectors = new ConnectorsModel(this);\n this.nodes = new NodesModel(this);\n this.edges = new EdgesModel(this);\n }\n\n public detectChanges() {\n setTimeout(() => {\n this.cd.detectChanges();\n }, 0);\n }\n\n public selectObject(object: any) {\n if (this.isEditable()) {\n if (this.selectedObjects.indexOf(object) === -1) {\n this.selectedObjects.push(object);\n }\n }\n }\n\n public deselectObject(object: any) {\n if (this.isEditable()) {\n const index = this.selectedObjects.indexOf(object);\n if (index === -1) {\n throw new Error('Tried to deselect an unselected object');\n }\n this.selectedObjects.splice(index, 1);\n }\n }\n\n public toggleSelectedObject(object: any) {\n if (this.isSelectedObject(object)) {\n this.deselectObject(object);\n } else {\n this.selectObject(object);\n }\n }\n\n public isSelectedObject(object: any): boolean {\n return this.selectedObjects.indexOf(object) !== -1;\n }\n\n public selectAll() {\n this.model.nodes.forEach(node => {\n if (!node.readonly) {\n this.nodes.select(node);\n }\n });\n this.model.edges.forEach(edge => {\n this.edges.select(edge);\n });\n this.detectChanges();\n }\n\n public deselectAll() {\n this.selectedObjects.splice(0, this.selectedObjects.length);\n this.detectChanges();\n }\n\n public isEditObject(object: any): boolean {\n return this.selectedObjects.length === 1 &&\n this.selectedObjects.indexOf(object) !== -1;\n }\n\n private inRectBox(x: number, y: number, rectBox: FcRectBox): boolean {\n return x >= rectBox.left && x <= rectBox.right &&\n y >= rectBox.top && y <= rectBox.bottom;\n }\n\n public getItemInfoAtPoint(x: number, y: number): FcItemInfo {\n return {\n node: this.getNodeAtPoint(x, y),\n edge: this.getEdgeAtPoint(x, y)\n };\n }\n\n public getNodeAtPoint(x: number, y: number): FcNode {\n for (const node of this.model.nodes) {\n const element = this.nodes.getHtmlElement(node.id);\n const nodeElementBox = element.getBoundingClientRect();\n if (x >= nodeElementBox.left && x <= nodeElementBox.right\n && y >= nodeElementBox.top && y <= nodeElementBox.bottom) {\n return node;\n }\n }\n return null;\n }\n\n public getEdgeAtPoint(x: number, y: number): FcEdge {\n const element = document.elementFromPoint(x, y);\n const id = element.id;\n let edgeIndex = -1;\n if (id) {\n if (id.startsWith('fc-edge-path-')) {\n edgeIndex = Number(id.substring('fc-edge-path-'.length));\n } else if (id.startsWith('fc-edge-label-')) {\n edgeIndex = Number(id.substring('fc-edge-label-'.length));\n }\n }\n if (edgeIndex > -1) {\n return this.model.edges[edgeIndex];\n }\n return null;\n }\n\n public selectAllInRect(rectBox: FcRectBox) {\n this.model.nodes.forEach((value) => {\n const element = this.nodes.getHtmlElement(value.id);\n const nodeElementBox = element.getBoundingClientRect();\n if (!value.readonly) {\n const x = nodeElementBox.left + nodeElementBox.width / 2;\n const y = nodeElementBox.top + nodeElementBox.height / 2;\n if (this.inRectBox(x, y, rectBox)) {\n this.nodes.select(value);\n } else {\n if (this.nodes.isSelected(value)) {\n this.nodes.deselect(value);\n }\n }\n }\n });\n const canvasElementBox = this.canvasHtmlElement.getBoundingClientRect();\n this.model.edges.forEach((value) => {\n const start = this.edges.sourceCoord(value);\n const end = this.edges.destCoord(value);\n const x = (start.x + end.x) / 2 + canvasElementBox.left;\n const y = (start.y + end.y) / 2 + canvasElementBox.top;\n if (this.inRectBox(x, y, rectBox)) {\n this.edges.select(value);\n } else {\n if (this.edges.isSelected(value)) {\n this.edges.deselect(value);\n }\n }\n });\n }\n\n public deleteSelected() {\n const edgesToDelete = this.edges.getSelectedEdges();\n edgesToDelete.forEach((edge) => {\n this.edges.delete(edge);\n });\n const nodesToDelete = this.nodes.getSelectedNodes();\n nodesToDelete.forEach((node) => {\n this.nodes.delete(node);\n });\n }\n\n public isEditable(): boolean {\n return this.dropTargetId === undefined;\n }\n\n public isDropSource(): boolean {\n return this.dropTargetId !== undefined;\n }\n\n public getDragImage(): HTMLImageElement {\n if (!this.dragImage) {\n this.dragImage = new Image();\n this.dragImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';\n this.dragImage.style.visibility = 'hidden';\n }\n return this.dragImage;\n }\n\n public registerCallbacks(edgeAddedCallback: (edge: FcEdge) => void,\n nodeRemovedCallback: (node: FcNode) => void,\n edgeRemovedCallback: (edge: FcEdge) => void) {\n this.edgeAddedCallback = edgeAddedCallback;\n this.nodeRemovedCallback = nodeRemovedCallback;\n this.edgeRemovedCallback = edgeRemovedCallback;\n }\n\n}\n\ninterface HtmlElementMap { [id: string]: HTMLElement; }\n\nabstract class AbstractFcModel {\n\n modelService: FcModelService;\n\n protected constructor(modelService: FcModelService) {\n this.modelService = modelService;\n }\n\n public select(object: T) {\n this.modelService.selectObject(object);\n }\n\n public deselect(object: T) {\n this.modelService.deselectObject(object);\n }\n\n public toggleSelected(object: T) {\n this.modelService.toggleSelectedObject(object);\n }\n\n public isSelected(object: T): boolean {\n return this.modelService.isSelectedObject(object);\n }\n\n public isEdit(object: T): boolean {\n return this.modelService.isEditObject(object);\n }\n}\n\nclass ConnectorsModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public getConnector(connectorId: string): FcConnector {\n const model = this.modelService.model;\n for (const node of model.nodes) {\n for (const connector of node.connectors) {\n if (connector.id === connectorId) {\n return connector;\n }\n }\n }\n }\n\n public getHtmlElement(connectorId: string): HTMLElement {\n return this.modelService.connectorsHtmlElements[connectorId];\n }\n\n public setHtmlElement(connectorId: string, element: HTMLElement) {\n this.modelService.connectorsHtmlElements[connectorId] = element;\n this.modelService.detectChanges();\n }\n\n private _getCoords(connectorId: string, centered?: boolean): FcCoords {\n const element = this.getHtmlElement(connectorId);\n const canvas = this.modelService.canvasHtmlElement;\n if (element === null || element === undefined || canvas === null) {\n return {x: 0, y: 0};\n }\n const connectorElementBox = element.getBoundingClientRect();\n const canvasElementBox = canvas.getBoundingClientRect();\n let coords: FcCoords = {\n x: connectorElementBox.left - canvasElementBox.left,\n y: connectorElementBox.top - canvasElementBox.top\n };\n if (centered) {\n coords = {\n x: Math.round(coords.x + element.offsetWidth / 2),\n y: Math.round(coords.y + element.offsetHeight / 2)\n };\n }\n return coords;\n }\n\n public getCoords(connectorId: string): FcCoords {\n return this._getCoords(connectorId, false);\n }\n\n public getCenteredCoord(connectorId: string): FcCoords {\n return this._getCoords(connectorId, true);\n }\n}\n\nclass NodesModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public getConnectorsByType(node: FcNode, type: string): Array {\n return node.connectors.filter((connector) => {\n return connector.type === type;\n });\n }\n\n private _addConnector(node: FcNode, connector: FcConnector) {\n node.connectors.push(connector);\n try {\n this.modelService.modelValidation.validateNode(node);\n } catch (error) {\n node.connectors.splice(node.connectors.indexOf(connector), 1);\n throw error;\n }\n }\n\n public delete(node: FcNode) {\n if (this.isSelected(node)) {\n this.deselect(node);\n }\n const model = this.modelService.model;\n const index = model.nodes.indexOf(node);\n if (index === -1) {\n if (node === undefined) {\n throw new Error('Passed undefined');\n }\n throw new Error('Tried to delete not existing node');\n }\n const connectorIds = this.getConnectorIds(node);\n for (let i = 0; i < model.edges.length; i++) {\n const edge = model.edges[i];\n if (connectorIds.indexOf(edge.source) !== -1 || connectorIds.indexOf(edge.destination) !== -1) {\n this.modelService.edges.delete(edge);\n i--;\n }\n }\n model.nodes.splice(index, 1);\n this.modelService.nodeRemovedCallback(node);\n }\n\n public getSelectedNodes(): Array {\n const model = this.modelService.model;\n return model.nodes.filter((node) => {\n return this.modelService.nodes.isSelected(node);\n });\n }\n\n public handleClicked(node: FcNode, ctrlKey?: boolean) {\n if (ctrlKey) {\n this.modelService.nodes.toggleSelected(node);\n } else {\n this.modelService.deselectAll();\n this.modelService.nodes.select(node);\n }\n }\n\n private _addNode(node: FcNode) {\n const model = this.modelService.model;\n try {\n model.nodes.push(node);\n this.modelService.modelValidation.validateNodes(model.nodes);\n } catch (error) {\n model.nodes.splice(model.nodes.indexOf(node), 1);\n throw error;\n }\n }\n\n public getConnectorIds(node: FcNode): Array {\n return node.connectors.map((connector) => {\n return connector.id;\n });\n }\n\n public getNodeByConnectorId(connectorId: string): FcNode {\n const model = this.modelService.model;\n for (const node of model.nodes) {\n const connectorIds = this.getConnectorIds(node);\n if (connectorIds.indexOf(connectorId) > -1) {\n return node;\n }\n }\n return null;\n }\n\n public getHtmlElement(nodeId: string): HTMLElement {\n return this.modelService.nodesHtmlElements[nodeId];\n }\n\n public setHtmlElement(nodeId: string, element: HTMLElement) {\n this.modelService.nodesHtmlElements[nodeId] = element;\n this.modelService.detectChanges();\n }\n\n}\n\nclass EdgesModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public ready(edge: FcEdge): boolean {\n const source = this.modelService.connectors.getHtmlElement(edge.source);\n const destination = this.modelService.connectors.getHtmlElement(edge.destination);\n return source !== undefined && destination !== undefined;\n }\n\n public sourceCoord(edge: FcEdge): FcCoords {\n return this.modelService.connectors.getCenteredCoord(edge.source);\n }\n\n public destCoord(edge: FcEdge): FcCoords {\n return this.modelService.connectors.getCenteredCoord(edge.destination);\n }\n\n public delete(edge: FcEdge) {\n const model = this.modelService.model;\n const index = model.edges.indexOf(edge);\n if (index === -1) {\n throw new Error('Tried to delete not existing edge');\n }\n if (this.isSelected(edge)) {\n this.deselect(edge);\n }\n model.edges.splice(index, 1);\n this.modelService.edgeRemovedCallback(edge);\n }\n\n public getSelectedEdges(): Array {\n const model = this.modelService.model;\n return model.edges.filter((edge) => {\n return this.modelService.edges.isSelected(edge);\n });\n }\n\n public handleEdgeMouseClick(edge: FcEdge, ctrlKey?: boolean) {\n if (ctrlKey) {\n this.modelService.edges.toggleSelected(edge);\n } else {\n this.modelService.deselectAll();\n this.modelService.edges.select(edge);\n }\n }\n\n public putEdge(edge: FcEdge) {\n const model = this.modelService.model;\n model.edges.push(edge);\n }\n\n public _addEdge(event: Event, sourceConnector: FcConnector, destConnector: FcConnector, label: string) {\n this.modelService.modelValidation.validateConnector(sourceConnector);\n this.modelService.modelValidation.validateConnector(destConnector);\n const edge: FcEdge = {};\n edge.source = sourceConnector.id;\n edge.destination = destConnector.id;\n edge.label = label;\n const model = this.modelService.model;\n this.modelService.modelValidation.validateEdges(model.edges.concat([edge]), model.nodes);\n this.modelService.createEdge(event, edge).subscribe(\n (created) => {\n model.edges.push(created);\n this.modelService.edgeAddedCallback(created);\n }\n );\n }\n}\n","import { Injectable } from '@angular/core';\nimport { FcConnector, FcEdge, FcModel, FcNode, fcTopSort, ModelvalidationError } from './ngx-flowchart.models';\n\n@Injectable()\nexport class FcModelValidationService {\n\n constructor() { }\n\n public validateModel(model: FcModel): FcModel {\n this.validateNodes(model.nodes);\n this._validateEdges(model.edges, model.nodes);\n return model;\n }\n\n public validateNodes(nodes: Array): Array {\n const ids: string[] = [];\n nodes.forEach((node) => {\n this.validateNode(node);\n if (ids.indexOf(node.id) !== -1) {\n throw new ModelvalidationError('Id not unique.');\n }\n ids.push(node.id);\n });\n const connectorIds: string[] = [];\n nodes.forEach((node) => {\n node.connectors.forEach((connector) => {\n if (connectorIds.indexOf(connector.id) !== -1) {\n throw new ModelvalidationError('Id not unique.');\n }\n connectorIds.push(connector.id);\n });\n });\n return nodes;\n }\n\n public validateNode(node: FcNode): FcNode {\n if (node.id === undefined) {\n throw new ModelvalidationError('Id not valid.');\n }\n if (typeof node.name !== 'string') {\n throw new ModelvalidationError('Name not valid.');\n }\n if (typeof node.x !== 'number' || node.x < 0 || Math.round(node.x) !== node.x) {\n throw new ModelvalidationError('Coordinates not valid.');\n }\n if (typeof node.y !== 'number' || node.y < 0 || Math.round(node.y) !== node.y) {\n throw new ModelvalidationError('Coordinates not valid.');\n }\n if (!Array.isArray(node.connectors)) {\n throw new ModelvalidationError('Connectors not valid.');\n }\n node.connectors.forEach((connector) => {\n this.validateConnector(connector);\n });\n return node;\n }\n\n private _validateEdges(edges: Array, nodes: Array): Array {\n edges.forEach((edge) => {\n this._validateEdge(edge, nodes);\n });\n edges.forEach((edge1, index1) => {\n edges.forEach((edge2, index2) => {\n if (index1 !== index2) {\n if ((edge1.source === edge2.source && edge1.destination === edge2.destination) ||\n (edge1.source === edge2.destination && edge1.destination === edge2.source)) {\n throw new ModelvalidationError('Duplicated edge.');\n }\n }\n });\n });\n if (fcTopSort({nodes, edges}) === null) {\n throw new ModelvalidationError('Graph has a circle.');\n }\n return edges;\n }\n\n public validateEdges(edges: Array, nodes: Array): Array {\n this.validateNodes(nodes);\n return this._validateEdges(edges, nodes);\n }\n\n private _validateEdge(edge: FcEdge, nodes: Array): FcEdge {\n if (edge.source === undefined) {\n throw new ModelvalidationError('Source not valid.');\n }\n if (edge.destination === undefined) {\n throw new ModelvalidationError('Destination not valid.');\n }\n if (edge.source === edge.destination) {\n throw new ModelvalidationError('Edge with same source and destination connectors.');\n }\n const sourceNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.source))[0];\n if (sourceNode === undefined) {\n throw new ModelvalidationError('Source not valid.');\n }\n const destinationNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.destination))[0];\n if (destinationNode === undefined) {\n throw new ModelvalidationError('Destination not valid.');\n }\n if (sourceNode === destinationNode) {\n throw new ModelvalidationError('Edge with same source and destination nodes.');\n }\n return edge;\n }\n\n public validateEdge(edge: FcEdge, nodes: Array): FcEdge {\n this.validateNodes(nodes);\n return this._validateEdge(edge, nodes);\n }\n\n public validateConnector(connector: FcConnector): FcConnector {\n if (connector.id === undefined) {\n throw new ModelvalidationError('Id not valid.');\n }\n if (connector.type === undefined || connector.type === null || typeof connector.type !== 'string') {\n throw new ModelvalidationError('Type not valid.');\n }\n return connector;\n }\n\n}\n","import { FcModelService } from './model.service';\nimport { FcCoords, FcNode, FlowchartConstants } from './ngx-flowchart.models';\n\nconst nodeDropScope: NodeDropScope = {\n dropElement: null\n};\n\nexport class FcNodeDraggingService {\n\n nodeDraggingScope: NodeDraggingScope = {\n shadowDragStarted: false,\n dropElement: null,\n draggedNodes: [],\n shadowElements: []\n };\n\n private dragOffsets: FcCoords[] = [];\n private draggedElements: HTMLElement[] = [];\n\n private destinationHtmlElements: HTMLElement[] = [];\n private oldDisplayStyles: string[] = [];\n\n private readonly modelService: FcModelService;\n private readonly automaticResize: boolean;\n private readonly dragAnimation: string;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(modelService: FcModelService,\n applyFunction: (fn: (...args: any[]) => T) => T,\n automaticResize: boolean, dragAnimation: string) {\n this.modelService = modelService;\n this.automaticResize = automaticResize;\n this.dragAnimation = dragAnimation;\n this.applyFunction = applyFunction;\n }\n\n private getCoordinate(coordinate: number, max: number): number {\n coordinate = Math.max(coordinate, 0);\n coordinate = Math.min(coordinate, max);\n return coordinate;\n }\n\n private getXCoordinate(x: number): number {\n return this.getCoordinate(x, this.modelService.canvasHtmlElement.offsetWidth);\n }\n\n private getYCoordinate(y: number): number {\n return this.getCoordinate(y, this.modelService.canvasHtmlElement.offsetHeight);\n }\n\n private resizeCanvas(draggedNode: FcNode, nodeElement: HTMLElement) {\n if (this.automaticResize && !this.modelService.isDropSource()) {\n const canvasElement = this.modelService.canvasHtmlElement;\n if (canvasElement.offsetWidth < draggedNode.x + nodeElement.offsetWidth + FlowchartConstants.canvasResizeThreshold) {\n canvasElement.style.width = canvasElement.offsetWidth + FlowchartConstants.canvasResizeStep + 'px';\n }\n if (canvasElement.offsetHeight < draggedNode.y + nodeElement.offsetHeight + FlowchartConstants.canvasResizeThreshold) {\n canvasElement.style.height = canvasElement.offsetHeight + FlowchartConstants.canvasResizeStep + 'px';\n }\n }\n }\n\n public isDraggingNode(node: FcNode): boolean {\n return this.nodeDraggingScope.draggedNodes.includes(node);\n }\n\n public dragstart(event: DragEvent, node: FcNode) {\n if (node.readonly) {\n return;\n }\n this.dragOffsets.length = 0;\n this.draggedElements.length = 0;\n this.nodeDraggingScope.draggedNodes.length = 0;\n this.nodeDraggingScope.shadowElements.length = 0;\n this.destinationHtmlElements.length = 0;\n this.oldDisplayStyles.length = 0;\n const elements: Array> = [];\n const nodes: Array = [];\n if (this.modelService.nodes.isSelected(node)) {\n const selectedNodes = this.modelService.nodes.getSelectedNodes();\n for (const selectedNode of selectedNodes) {\n const element = $(this.modelService.nodes.getHtmlElement(selectedNode.id));\n elements.push(element);\n nodes.push(selectedNode);\n }\n } else {\n elements.push($(event.target as HTMLElement));\n nodes.push(node);\n }\n const offsetsX: number[] = [];\n const offsetsY: number[] = [];\n for (const element of elements) {\n offsetsX.push(parseInt(element.css('left'), 10) - event.clientX);\n offsetsY.push(parseInt(element.css('top'), 10) - event.clientY);\n }\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n if (this.modelService.isDropSource()) {\n if (nodeDropScope.dropElement) {\n nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n nodeDropScope.dropElement = null;\n }\n nodeDropScope.dropElement = elements[0][0].cloneNode(true) as NodeDropElement;\n const offset = $(this.modelService.canvasHtmlElement).offset();\n nodeDropScope.dropElement.offsetInfo = {\n offsetX: Math.round(offsetsX[0] + offset.left),\n offsetY: Math.round(offsetsY[0] + offset.top)\n };\n nodeDropScope.dropElement.style.position = 'absolute';\n nodeDropScope.dropElement.style.pointerEvents = 'none';\n nodeDropScope.dropElement.style.zIndex = '9999';\n\n document.body.appendChild(nodeDropScope.dropElement);\n const dropNodeInfo: DropNodeInfo = {\n node,\n dropTargetId: this.modelService.dropTargetId,\n offsetX: Math.round(offsetsX[0] + offset.left),\n offsetY: Math.round(offsetsY[0] + offset.top)\n };\n originalEvent.dataTransfer.setData('text', JSON.stringify(dropNodeInfo));\n\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n const target: HTMLElement = event.target as HTMLElement;\n this.destinationHtmlElements.push(target);\n this.oldDisplayStyles.push(target.style.display);\n target.style.display = 'none';\n this.nodeDraggingScope.shadowDragStarted = true;\n }\n return;\n }\n this.nodeDraggingScope.draggedNodes = nodes;\n for (let i = 0; i < elements.length; i++) {\n this.draggedElements.push(elements[i][0]);\n this.dragOffsets.push(\n {\n x: offsetsX[i],\n y: offsetsY[i]\n }\n );\n }\n\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n for (let i = 0; i < this.draggedElements.length; i++) {\n const dragOffset = this.dragOffsets[i];\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const shadowElement = $(``);\n const targetInnerNode = $(this.draggedElements[i]).children()[0];\n shadowElement.children()[0].style.backgroundColor = targetInnerNode.style.backgroundColor;\n this.nodeDraggingScope.shadowElements.push(shadowElement);\n this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[i][0]);\n }\n }\n originalEvent.dataTransfer.setData('text', 'Just to support firefox');\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n for (let i = 0; i < this.draggedElements.length; i++) {\n this.destinationHtmlElements.push(this.draggedElements[i]);\n this.oldDisplayStyles.push(this.destinationHtmlElements[i].style.display);\n this.destinationHtmlElements[i].style.display = 'none';\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.nodeDraggingScope.shadowDragStarted = true;\n }\n }\n }\n\n public drop(event: DragEvent): boolean {\n if (this.modelService.isDropSource()) {\n event.preventDefault();\n return false;\n }\n let dropNode: FcNode = null;\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n const infoText = originalEvent.dataTransfer.getData('text');\n if (infoText) {\n let dropNodeInfo: DropNodeInfo = null;\n try {\n dropNodeInfo = JSON.parse(infoText);\n } catch (e) {}\n if (dropNodeInfo && dropNodeInfo.dropTargetId) {\n if (this.modelService.canvasHtmlElement.id &&\n this.modelService.canvasHtmlElement.id === dropNodeInfo.dropTargetId) {\n dropNode = dropNodeInfo.node;\n const offset = $(this.modelService.canvasHtmlElement).offset();\n const x = event.clientX - offset.left;\n const y = event.clientY - offset.top;\n dropNode.x = Math.round(this.getXCoordinate(dropNodeInfo.offsetX + x));\n dropNode.y = Math.round(this.getYCoordinate(dropNodeInfo.offsetY + y));\n }\n }\n }\n if (dropNode) {\n this.modelService.dropNode(event, dropNode);\n event.preventDefault();\n return false;\n } else if (this.nodeDraggingScope.draggedNodes.length) {\n return this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n draggedNode.x = Math.round(this.getXCoordinate(dragOffset.x + event.clientX));\n draggedNode.y = Math.round(this.getYCoordinate(dragOffset.y + event.clientY));\n }\n event.preventDefault();\n return false;\n });\n }\n }\n\n public dragover(event: DragEvent) {\n if (nodeDropScope.dropElement) {\n const offsetInfo = nodeDropScope.dropElement.offsetInfo;\n nodeDropScope.dropElement.style.left = (offsetInfo.offsetX + event.clientX) + 'px';\n nodeDropScope.dropElement.style.top = (offsetInfo.offsetY + event.clientY) + 'px';\n if (this.nodeDraggingScope.shadowDragStarted) {\n this.applyFunction(() => {\n this.destinationHtmlElements[0].style.display = this.oldDisplayStyles[0];\n this.nodeDraggingScope.shadowDragStarted = false;\n });\n }\n event.preventDefault();\n return;\n }\n if (this.modelService.isDropSource()) {\n event.preventDefault();\n return;\n }\n if (!this.nodeDraggingScope.draggedNodes.length) {\n event.preventDefault();\n return;\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n if (this.nodeDraggingScope.draggedNodes.length) {\n return this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n draggedNode.x = this.getXCoordinate(dragOffset.x + event.clientX);\n draggedNode.y = this.getYCoordinate(dragOffset.y + event.clientY);\n this.resizeCanvas(draggedNode, this.draggedElements[i]);\n }\n event.preventDefault();\n return false;\n });\n }\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.nodeDraggingScope.draggedNodes.length) {\n if (this.nodeDraggingScope.shadowDragStarted) {\n this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n this.destinationHtmlElements[i].style.display = this.oldDisplayStyles[i];\n }\n this.nodeDraggingScope.shadowDragStarted = false;\n });\n }\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n this.nodeDraggingScope.shadowElements[i].css('left', this.getXCoordinate(dragOffset.x + event.clientX) + 'px');\n this.nodeDraggingScope.shadowElements[i].css('top', this.getYCoordinate(dragOffset.y + event.clientY) + 'px');\n this.resizeCanvas(draggedNode, this.draggedElements[i]);\n }\n event.preventDefault();\n }\n }\n }\n\n public dragend(event: DragEvent) {\n this.applyFunction(() => {\n if (nodeDropScope.dropElement) {\n nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n nodeDropScope.dropElement = null;\n }\n if (this.modelService.isDropSource()) {\n return;\n }\n if (this.nodeDraggingScope.shadowElements.length) {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const shadowElement = this.nodeDraggingScope.shadowElements[i];\n draggedNode.x = parseInt(shadowElement.css('left').replace('px', ''), 10);\n draggedNode.y = parseInt(shadowElement.css('top').replace('px', ''), 10);\n this.modelService.canvasHtmlElement.removeChild(shadowElement[0]);\n }\n this.nodeDraggingScope.shadowElements.length = 0;\n }\n\n if (this.nodeDraggingScope.draggedNodes.length) {\n this.nodeDraggingScope.draggedNodes.length = 0;\n this.draggedElements.length = 0;\n this.dragOffsets.length = 0;\n }\n });\n }\n\n}\n\nexport interface NodeDraggingScope {\n draggedNodes: Array;\n shadowElements: Array>;\n shadowDragStarted: boolean;\n dropElement: HTMLElement;\n}\n\nexport interface NodeDropElement extends HTMLElement {\n offsetInfo?: {\n offsetX: number;\n offsetY: number;\n };\n}\n\nexport interface NodeDropScope {\n dropElement: NodeDropElement;\n}\n\nexport interface DropNodeInfo {\n node: FcNode;\n dropTargetId: string;\n offsetX: number;\n offsetY: number;\n}\n","import { Injectable } from '@angular/core';\nimport { FcCoords, FlowchartConstants } from './ngx-flowchart.models';\n\n@Injectable()\nexport class FcEdgeDrawingService {\n\n constructor() {\n }\n\n public getEdgeDAttribute(pt1: FcCoords, pt2: FcCoords, style: string): string {\n let dAddribute = `M ${pt1.x}, ${pt1.y} `;\n if (style === FlowchartConstants.curvedStyle) {\n const sourceTangent = this.computeEdgeSourceTangent(pt1, pt2);\n const destinationTangent = this.computeEdgeDestinationTangent(pt1, pt2);\n dAddribute += `C ${sourceTangent.x}, ${sourceTangent.y} ${(destinationTangent.x - 50)}, ${destinationTangent.y} ${pt2.x}, ${pt2.y}`;\n } else {\n dAddribute += `L ${pt2.x}, ${pt2.y}`;\n }\n return dAddribute;\n }\n\n public getEdgeCenter(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: (pt1.x + pt2.x) / 2,\n y: (pt1.y + pt2.y) / 2\n };\n }\n\n private computeEdgeTangentOffset(pt1: FcCoords, pt2: FcCoords): number {\n return (pt2.y - pt1.y) / 2;\n }\n\n private computeEdgeSourceTangent(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: pt1.x,\n y: pt1.y + this.computeEdgeTangentOffset(pt1, pt2)\n };\n }\n\n private computeEdgeDestinationTangent(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: pt2.x,\n y: pt2.y - this.computeEdgeTangentOffset(pt1, pt2)\n };\n }\n\n}\n","import { FcModelService } from './model.service';\nimport { FcConnector, FcCoords, FcEdge, FcModel, FlowchartConstants, ModelvalidationError } from './ngx-flowchart.models';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcModelValidationService } from './modelvalidation.service';\n\nexport class FcEdgeDraggingService {\n\n edgeDragging: EdgeDragging = {\n isDragging: false,\n dragPoint1: null,\n dragPoint2: null,\n shadowDragStarted: false\n };\n\n private draggedEdgeSource: FcConnector = null;\n private dragOffset: FcCoords = {};\n private destinationHtmlElement: HTMLElement = null;\n private oldDisplayStyle = '';\n\n private readonly modelValidation: FcModelValidationService;\n private readonly edgeDrawingService: FcEdgeDrawingService;\n private readonly modelService: FcModelService;\n private readonly model: FcModel;\n private readonly isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n private readonly dragAnimation: string;\n private readonly edgeStyle: string;\n\n constructor(modelValidation: FcModelValidationService,\n edgeDrawingService: FcEdgeDrawingService,\n modelService: FcModelService,\n model: FcModel,\n isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean,\n applyFunction: (fn: (...args: any[]) => T) => T,\n dragAnimation: string,\n edgeStyle: string) {\n this.modelValidation = modelValidation;\n this.edgeDrawingService = edgeDrawingService;\n this.modelService = modelService;\n this.model = model;\n this.isValidEdgeCallback = isValidEdgeCallback || (() => true);\n this.applyFunction = applyFunction;\n this.dragAnimation = dragAnimation;\n this.edgeStyle = edgeStyle;\n }\n\n public dragstart(event: DragEvent, connector: FcConnector) {\n let swapConnector: FcConnector;\n let dragLabel: string;\n let prevEdge: FcEdge;\n if (connector.type === FlowchartConstants.leftConnectorType) {\n for (const edge of this.model.edges) {\n if (edge === connector.id) {\n swapConnector = this.modelService.connectors.getConnector(edge.source);\n dragLabel = edge.label;\n prevEdge = edge;\n this.applyFunction(() => {\n this.modelService.edges.delete(edge);\n });\n break;\n }\n }\n }\n this.edgeDragging.isDragging = true;\n if (swapConnector !== undefined) {\n this.draggedEdgeSource = swapConnector;\n this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(swapConnector.id);\n this.edgeDragging.dragLabel = dragLabel;\n this.edgeDragging.prevEdge = prevEdge;\n } else {\n this.draggedEdgeSource = connector;\n this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(connector.id);\n }\n const canvas = this.modelService.canvasHtmlElement;\n if (!canvas) {\n throw new Error('No canvas while edgedraggingService found.');\n }\n this.dragOffset.x = -canvas.getBoundingClientRect().left;\n this.dragOffset.y = -canvas.getBoundingClientRect().top;\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n\n originalEvent.dataTransfer.setData('Text', 'Just to support firefox');\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n this.destinationHtmlElement = event.target as HTMLElement;\n this.oldDisplayStyle = this.destinationHtmlElement.style.display;\n this.destinationHtmlElement.style.display = 'none';\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.edgeDragging.shadowDragStarted = true;\n }\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.edgeDragging.gElement === undefined) {\n this.edgeDragging.gElement = $(document.querySelectorAll('.shadow-svg-class'));\n this.edgeDragging.pathElement = $(document.querySelectorAll('.shadow-svg-class')).find('path');\n this.edgeDragging.circleElement = $(document.querySelectorAll('.shadow-svg-class')).find('circle');\n }\n\n this.edgeDragging.gElement.css('display', 'block');\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n }\n event.stopPropagation();\n }\n\n public dragover(event: DragEvent) {\n if (this.edgeDragging.isDragging) {\n if (!this.edgeDragging.magnetActive && this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.destinationHtmlElement !== null) {\n this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n }\n\n if (this.edgeDragging.shadowDragStarted) {\n this.applyFunction(() => {\n this.edgeDragging.shadowDragStarted = false;\n });\n }\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n return this.applyFunction(() => {\n if (this.destinationHtmlElement !== null) {\n this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n }\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n });\n }\n }\n }\n\n public dragoverConnector(event: DragEvent, connector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n this.dragover(event);\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: connector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n event.preventDefault();\n event.stopPropagation();\n return false;\n }\n }\n }\n\n public dragleaveMagnet(event: DragEvent) {\n this.edgeDragging.magnetActive = false;\n }\n\n public dragoverMagnet(event: DragEvent, connector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n this.dragover(event);\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: connector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n\n this.edgeDragging.magnetActive = true;\n\n this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n event.preventDefault();\n event.stopPropagation();\n return false;\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n return this.applyFunction(() => {\n this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n event.preventDefault();\n event.stopPropagation();\n return false;\n });\n }\n }\n }\n }\n\n public dragend(event: DragEvent) {\n if (this.edgeDragging.isDragging) {\n this.edgeDragging.isDragging = false;\n this.edgeDragging.dragPoint1 = null;\n this.edgeDragging.dragPoint2 = null;\n this.edgeDragging.dragLabel = null;\n event.stopPropagation();\n\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.edgeDragging.gElement.css('display', 'none');\n }\n if (this.edgeDragging.prevEdge) {\n const edge = this.edgeDragging.prevEdge;\n this.edgeDragging.prevEdge = null;\n this.applyFunction(() => {\n this.modelService.edges.putEdge(edge);\n });\n }\n }\n }\n\n public drop(event: DragEvent, targetConnector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: targetConnector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n\n if (this.isValidEdgeCallback(this.draggedEdgeSource, targetConnector)) {\n this.edgeDragging.prevEdge = null;\n this.modelService.edges._addEdge(event, this.draggedEdgeSource, targetConnector, this.edgeDragging.dragLabel);\n event.stopPropagation();\n event.preventDefault();\n return false;\n }\n }\n }\n}\n\nexport interface EdgeDragging {\n isDragging: boolean;\n shadowDragStarted: boolean;\n dragPoint1: FcCoords;\n dragPoint2: FcCoords;\n dragLabel?: string;\n prevEdge?: FcEdge;\n magnetActive?: boolean;\n gElement?: JQuery;\n pathElement?: JQuery;\n circleElement?: JQuery;\n}\n","import { FcConnector, FcEdge, FcNode } from './ngx-flowchart.models';\n\nexport class FcMouseOverService {\n\n mouseoverscope: MouseOverScope = {\n connector: null,\n edge: null,\n node: null\n };\n\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(applyFunction: (fn: (...args: any[]) => T) => T) {\n this.applyFunction = applyFunction;\n }\n\n public nodeMouseOver(event: MouseEvent, node: FcNode) {\n return this.applyFunction(() => {\n this.mouseoverscope.node = node;\n });\n }\n\n public nodeMouseOut(event: MouseEvent, node: FcNode) {\n return this.applyFunction(() => {\n this.mouseoverscope.node = null;\n });\n }\n\n public connectorMouseEnter(event: MouseEvent, connector: FcConnector) {\n return this.applyFunction(() => {\n this.mouseoverscope.connector = connector;\n });\n }\n\n public connectorMouseLeave(event: MouseEvent, connector: FcConnector) {\n return this.applyFunction(() => {\n this.mouseoverscope.connector = null;\n });\n }\n\n public edgeMouseEnter(event: MouseEvent, edge: FcEdge) {\n this.mouseoverscope.edge = edge;\n }\n\n public edgeMouseLeave(event: MouseEvent, edge: FcEdge) {\n this.mouseoverscope.edge = null;\n }\n}\n\nexport interface MouseOverScope {\n connector: FcConnector;\n edge: FcEdge;\n node: FcNode;\n}\n","const regex = /(auto|scroll)/;\n\nconst style = (node: Element, prop: string): string =>\n getComputedStyle(node, null).getPropertyValue(prop);\n\nconst scroll = (node: Element) =>\n regex.test(\n style(node, 'overflow') +\n style(node, 'overflow-y') +\n style(node, 'overflow-x'));\n\nconst scrollparent = (node: HTMLElement): HTMLElement =>\n !node || node === document.body\n ? document.body\n : scroll(node)\n ? node\n : scrollparent(node.parentNode as HTMLElement);\n\nexport default scrollparent;\n","import { FcModelService } from './model.service';\nimport { FcRectBox } from 'ngx-flowchart-dev';\nimport scrollparent from './scrollparent';\n\ninterface Rectangle {\n x1: number;\n x2: number;\n y1: number;\n y2: number;\n}\n\nexport class FcRectangleSelectService {\n\n private readonly selectRect: Rectangle = {\n x1: 0,\n x2: 0,\n y1: 0,\n y2: 0\n };\n\n private readonly modelService: FcModelService;\n private readonly selectElement: HTMLElement;\n private readonly $canvasElement: JQuery;\n private readonly $scrollParent: JQuery;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(modelService: FcModelService,\n selectElement: HTMLElement,\n applyFunction: (fn: (...args: any[]) => T) => T) {\n this.modelService = modelService;\n this.selectElement = selectElement;\n this.$canvasElement = $(this.modelService.canvasHtmlElement);\n this.$scrollParent = $(scrollparent(this.modelService.canvasHtmlElement));\n this.applyFunction = applyFunction;\n }\n\n public mousedown(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && this.selectElement.hidden) {\n this.selectElement.hidden = false;\n const offset = this.$canvasElement.offset();\n this.selectRect.x1 = Math.round(e.pageX - offset.left);\n this.selectRect.y1 = Math.round(e.pageY - offset.top);\n this.selectRect.x2 = this.selectRect.x1;\n this.selectRect.y2 = this.selectRect.y1;\n this.updateSelectRect();\n }\n }\n\n public mousemove(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && !this.selectElement.hidden) {\n const offset = this.$canvasElement.offset();\n this.selectRect.x2 = Math.round(e.pageX - offset.left);\n this.selectRect.y2 = Math.round(e.pageY - offset.top);\n this.updateScroll(offset);\n this.updateSelectRect();\n }\n }\n\n private updateScroll(offset: JQuery.Coordinates) {\n const rect = this.$scrollParent[0].getBoundingClientRect();\n const bottom = rect.bottom - offset.top;\n const right = rect.right - offset.left;\n const top = rect.top - offset.top;\n const left = rect.left - offset.left;\n if (this.selectRect.y2 - top < 25) {\n const topScroll = 25 - (this.selectRect.y2 - top);\n const scroll = this.$scrollParent.scrollTop();\n this.$scrollParent.scrollTop(scroll - topScroll);\n } else if (bottom - this.selectRect.y2 < 40) {\n const bottomScroll = 40 - (bottom - this.selectRect.y2);\n const scroll = this.$scrollParent.scrollTop();\n this.$scrollParent.scrollTop(scroll + bottomScroll);\n }\n if (this.selectRect.x2 - left < 25) {\n const leftScroll = 25 - (this.selectRect.x2 - left);\n const scroll = this.$scrollParent.scrollLeft();\n this.$scrollParent.scrollLeft(scroll - leftScroll);\n } else if (right - this.selectRect.x2 < 40) {\n const rightScroll = 40 - (right - this.selectRect.x2);\n const scroll = this.$scrollParent.scrollLeft();\n this.$scrollParent.scrollLeft(scroll + rightScroll);\n }\n }\n\n public mouseup(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && !this.selectElement.hidden) {\n const rectBox = this.selectElement.getBoundingClientRect() as FcRectBox;\n this.selectElement.hidden = true;\n this.selectObjects(rectBox);\n }\n }\n\n private updateSelectRect() {\n const x3 = Math.min(this.selectRect.x1, this.selectRect.x2);\n const x4 = Math.max(this.selectRect.x1, this.selectRect.x2);\n const y3 = Math.min(this.selectRect.y1, this.selectRect.y2);\n const y4 = Math.max(this.selectRect.y1, this.selectRect.y2);\n this.selectElement.style.left = x3 + 'px';\n this.selectElement.style.top = y3 + 'px';\n this.selectElement.style.width = x4 - x3 + 'px';\n this.selectElement.style.height = y4 - y3 + 'px';\n }\n\n private selectObjects(rectBox: FcRectBox) {\n this.applyFunction(() => {\n this.modelService.selectAllInRect(rectBox);\n });\n }\n\n}\n\n","import {\n ChangeDetectionStrategy, ChangeDetectorRef,\n Component,\n DoCheck,\n ElementRef,\n HostBinding,\n HostListener,\n Input,\n IterableDiffer,\n IterableDiffers,\n NgZone,\n OnInit\n} from '@angular/core';\nimport { FcCallbacks, FcEdge, FcModel, FcNode, FlowchartConstants, UserCallbacks, UserNodeCallbacks } from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\nimport { FcModelValidationService } from './modelvalidation.service';\nimport { FcNodeDraggingService } from './node-dragging.service';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcEdgeDraggingService } from './edge-dragging.service';\nimport { FcMouseOverService } from './mouseover.service';\nimport { FcRectangleSelectService } from './rectangleselect.service';\n\n@Component({\n selector: 'fc-canvas',\n templateUrl: './ngx-flowchart.component.html',\n styleUrls: ['./ngx-flowchart.component.scss'],\n changeDetection: ChangeDetectionStrategy.OnPush\n})\nexport class NgxFlowchartComponent implements OnInit, DoCheck {\n\n @HostBinding('attr.class')\n get canvasClass(): string {\n return FlowchartConstants.canvasClass;\n }\n\n @Input()\n model: FcModel;\n\n @Input()\n selectedObjects: any[];\n\n @Input()\n edgeStyle: string;\n\n @Input()\n userCallbacks: UserCallbacks;\n\n @Input()\n automaticResize: boolean;\n\n @Input()\n dragAnimation: string;\n\n @Input()\n nodeWidth: number;\n\n @Input()\n nodeHeight: number;\n\n @Input()\n dropTargetId: string;\n\n callbacks: FcCallbacks;\n\n userNodeCallbacks: UserNodeCallbacks;\n\n modelService: FcModelService;\n nodeDraggingService: FcNodeDraggingService;\n edgeDraggingService: FcEdgeDraggingService;\n mouseoverService: FcMouseOverService;\n rectangleSelectService: FcRectangleSelectService;\n\n arrowDefId: string;\n arrowDefIdSelected: string;\n\n flowchartConstants = FlowchartConstants;\n\n private nodesDiffer: IterableDiffer = this.differs.find([]).create((index, item) => {\n return item;\n });\n\n private edgesDiffer: IterableDiffer = this.differs.find([]).create((index, item) => {\n return item;\n });\n\n constructor(private elementRef: ElementRef,\n private differs: IterableDiffers,\n private modelValidation: FcModelValidationService,\n public edgeDrawingService: FcEdgeDrawingService,\n private cd: ChangeDetectorRef,\n private zone: NgZone) {\n this.arrowDefId = 'arrow-' + Math.random();\n this.arrowDefIdSelected = this.arrowDefId + '-selected';\n }\n\n ngOnInit() {\n if (!this.dropTargetId && this.edgeStyle !== FlowchartConstants.curvedStyle && this.edgeStyle !== FlowchartConstants.lineStyle) {\n throw new Error('edgeStyle not supported.');\n }\n this.nodeHeight = this.nodeHeight || 200;\n this.nodeWidth = this.nodeWidth || 200;\n this.dragAnimation = this.dragAnimation || FlowchartConstants.dragAnimationRepaint;\n this.userCallbacks = this.userCallbacks || {};\n this.automaticResize = this.automaticResize || false;\n\n for (const key of Object.keys(this.userCallbacks)) {\n const callback = this.userCallbacks[key];\n if (typeof callback !== 'function' && key !== 'nodeCallbacks') {\n throw new Error('All callbacks should be functions.');\n }\n }\n\n this.userNodeCallbacks = this.userCallbacks.nodeCallbacks;\n\n const element = $(this.elementRef.nativeElement);\n\n this.modelService = new FcModelService(this.modelValidation, this.model, this.cd, this.selectedObjects,\n this.userCallbacks.dropNode, this.userCallbacks.createEdge, this.userCallbacks.edgeAdded, this.userCallbacks.nodeRemoved,\n this.userCallbacks.edgeRemoved, element[0], element[0].querySelector('svg'));\n\n if (this.dropTargetId) {\n this.modelService.dropTargetId = this.dropTargetId;\n }\n\n const applyFunction = this.zone.run.bind(this.zone);\n\n this.nodeDraggingService = new FcNodeDraggingService(this.modelService, applyFunction,\n this.automaticResize, this.dragAnimation);\n\n this.edgeDraggingService = new FcEdgeDraggingService(this.modelValidation, this.edgeDrawingService, this.modelService,\n this.model, this.userCallbacks.isValidEdge || null, applyFunction,\n this.dragAnimation, this.edgeStyle);\n\n this.mouseoverService = new FcMouseOverService(applyFunction);\n\n this.rectangleSelectService = new FcRectangleSelectService(this.modelService,\n element[0].querySelector('#select-rectangle'), applyFunction);\n\n this.callbacks = {\n nodeDragstart: this.nodeDraggingService.dragstart.bind(this.nodeDraggingService),\n nodeDragend: this.nodeDraggingService.dragend.bind(this.nodeDraggingService),\n edgeDragstart: this.edgeDraggingService.dragstart.bind(this.edgeDraggingService),\n edgeDragend: this.edgeDraggingService.dragend.bind(this.edgeDraggingService),\n edgeDrop: this.edgeDraggingService.drop.bind(this.edgeDraggingService),\n edgeDragoverConnector: this.edgeDraggingService.dragoverConnector.bind(this.edgeDraggingService),\n edgeDragoverMagnet: this.edgeDraggingService.dragoverMagnet.bind(this.edgeDraggingService),\n edgeDragleaveMagnet: this.edgeDraggingService.dragleaveMagnet.bind(this.edgeDraggingService),\n nodeMouseOver: this.mouseoverService.nodeMouseOver.bind(this.mouseoverService),\n nodeMouseOut: this.mouseoverService.nodeMouseOut.bind(this.mouseoverService),\n connectorMouseEnter: this.mouseoverService.connectorMouseEnter.bind(this.mouseoverService),\n connectorMouseLeave: this.mouseoverService.connectorMouseLeave.bind(this.mouseoverService),\n nodeClicked: (event, node) => {\n this.modelService.nodes.handleClicked(node, event.ctrlKey);\n event.stopPropagation();\n event.preventDefault();\n }\n };\n this.adjustCanvasSize(true);\n }\n\n ngDoCheck(): void {\n if (this.model) {\n const nodesChange = this.nodesDiffer.diff(this.model.nodes);\n const edgesChange = this.edgesDiffer.diff(this.model.edges);\n let nodesChanged = false;\n let edgesChanged = false;\n if (nodesChange !== null) {\n nodesChange.forEachAddedItem(() => {\n nodesChanged = true;\n });\n nodesChange.forEachRemovedItem(() => {\n nodesChanged = true;\n });\n }\n if (edgesChange !== null) {\n edgesChange.forEachAddedItem(() => {\n edgesChanged = true;\n });\n edgesChange.forEachRemovedItem(() => {\n edgesChanged = true;\n });\n }\n if (nodesChanged) {\n this.adjustCanvasSize(true);\n }\n if (nodesChanged || edgesChanged) {\n this.cd.detectChanges();\n }\n }\n }\n\n getEdgeDAttribute(edge: FcEdge): string {\n return this.edgeDrawingService.getEdgeDAttribute(this.modelService.edges.sourceCoord(edge),\n this.modelService.edges.destCoord(edge), this.edgeStyle);\n }\n\n public adjustCanvasSize(fit?: boolean) {\n let maxX = 0;\n let maxY = 0;\n const element = $(this.elementRef.nativeElement);\n this.model.nodes.forEach((node) => {\n maxX = Math.max(node.x + this.nodeWidth, maxX);\n maxY = Math.max(node.y + this.nodeHeight, maxY);\n });\n let width;\n let height;\n if (fit) {\n width = maxX;\n height = maxY;\n } else {\n width = Math.max(maxX, element.prop('offsetWidth'));\n height = Math.max(maxY, element.prop('offsetHeight'));\n }\n element.css('width', width + 'px');\n element.css('height', height + 'px');\n }\n\n canvasClick(event: MouseEvent) {}\n\n edgeMouseDown(event: MouseEvent, edge: FcEdge) {\n event.stopPropagation();\n }\n\n edgeClick(event: MouseEvent, edge: FcEdge) {\n this.modelService.edges.handleEdgeMouseClick(edge, event.ctrlKey);\n event.stopPropagation();\n event.preventDefault();\n }\n\n edgeRemove(event: Event, edge: FcEdge) {\n this.modelService.edges.delete(edge);\n event.stopPropagation();\n event.preventDefault();\n }\n\n edgeEdit(event: Event, edge: FcEdge) {\n if (this.userCallbacks.edgeEdit) {\n this.userCallbacks.edgeEdit(event, edge);\n }\n }\n\n edgeDoubleClick(event: MouseEvent, edge: FcEdge) {\n if (this.userCallbacks.edgeDoubleClick) {\n this.userCallbacks.edgeDoubleClick(event, edge);\n }\n }\n\n edgeMouseOver(event: MouseEvent, edge: FcEdge) {\n if (this.userCallbacks.edgeMouseOver) {\n this.userCallbacks.edgeMouseOver(event, edge);\n }\n }\n\n edgeMouseEnter(event: MouseEvent, edge: FcEdge) {\n this.mouseoverService.edgeMouseEnter(event, edge);\n }\n\n edgeMouseLeave(event: MouseEvent, edge: FcEdge) {\n this.mouseoverService.edgeMouseLeave(event, edge);\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n this.nodeDraggingService.dragover(event);\n this.edgeDraggingService.dragover(event);\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n if (event.preventDefault) {\n event.preventDefault();\n }\n if (event.stopPropagation) {\n event.stopPropagation();\n }\n this.nodeDraggingService.drop(event);\n }\n\n @HostListener('mousedown', ['$event'])\n mousedown(event: MouseEvent) {\n this.rectangleSelectService.mousedown(event);\n }\n\n @HostListener('mousemove', ['$event'])\n mousemove(event: MouseEvent) {\n this.rectangleSelectService.mousemove(event);\n }\n\n @HostListener('mouseup', ['$event'])\n mouseup(event: MouseEvent) {\n this.rectangleSelectService.mouseup(event);\n }\n\n}\n","import { Directive, ElementRef, HostListener, Input, OnInit } from '@angular/core';\nimport { FcCallbacks, FcConnector, FlowchartConstants } from './ngx-flowchart.models';\n\n@Directive({\n // tslint:disable-next-line:directive-selector\n selector: '[fc-magnet]'\n})\nexport class FcMagnetDirective implements OnInit {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n connector: FcConnector;\n\n constructor(public elementRef: ElementRef) {\n }\n\n ngOnInit(): void {\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.magnetClass);\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n return this.callbacks.edgeDragoverMagnet(event, this.connector);\n }\n\n @HostListener('dragleave', ['$event'])\n dragleave(event: DragEvent) {\n this.callbacks.edgeDragleaveMagnet(event);\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n return this.callbacks.edgeDrop(event, this.connector);\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n this.callbacks.edgeDragend(event);\n }\n\n}\n","import { Directive, ElementRef, HostListener, Input, OnChanges, OnInit, SimpleChanges } from '@angular/core';\nimport { FcCallbacks, FcConnector, FlowchartConstants } from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\n\n@Directive({\n // tslint:disable-next-line:directive-selector\n selector: '[fc-connector]'\n})\nexport class FcConnectorDirective implements OnInit, OnChanges {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n connector: FcConnector;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n constructor(public elementRef: ElementRef) {\n }\n\n ngOnInit(): void {\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.connectorClass);\n if (this.modelservice.isEditable()) {\n element.attr('draggable', 'true');\n this.updateConnectorClass();\n }\n this.modelservice.connectors.setHtmlElement(this.connector.id, element[0]);\n }\n\n ngOnChanges(changes: SimpleChanges): void {\n let updateConnector = false;\n for (const propName of Object.keys(changes)) {\n const change = changes[propName];\n if (!change.firstChange && change.currentValue !== change.previousValue) {\n if (propName === 'mouseOverConnector') {\n updateConnector = true;\n }\n }\n }\n if (updateConnector && this.modelservice.isEditable()) {\n this.updateConnectorClass();\n }\n }\n\n private updateConnectorClass() {\n const element = $(this.elementRef.nativeElement);\n if (this.connector === this.mouseOverConnector) {\n element.addClass(FlowchartConstants.hoverClass);\n } else {\n element.removeClass(FlowchartConstants.hoverClass);\n }\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n // Skip - conflict with magnet\n /* if (this.modelservice.isEditable()) {\n return this.callbacks.edgeDragoverConnector(event, this.connector);\n }*/\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n return this.callbacks.edgeDrop(event, this.connector);\n }\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.edgeDragend(event);\n }\n }\n\n @HostListener('dragstart', ['$event'])\n dragstart(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.edgeDragstart(event, this.connector);\n }\n }\n\n @HostListener('mouseenter', ['$event'])\n mouseenter(event: MouseEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.connectorMouseEnter(event, this.connector);\n }\n }\n\n @HostListener('mouseleave', ['$event'])\n mouseleave(event: MouseEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.connectorMouseLeave(event, this.connector);\n }\n }\n\n}\n","import {\n Component,\n ComponentFactoryResolver, Directive,\n ElementRef, HostBinding,\n HostListener,\n Inject,\n Input,\n OnChanges,\n OnInit,\n SimpleChanges,\n ViewChild,\n ViewContainerRef\n} from '@angular/core';\nimport {\n FC_NODE_COMPONENT_CONFIG,\n FcCallbacks,\n FcConnector,\n FcNode,\n FcNodeComponentConfig,\n FlowchartConstants,\n UserNodeCallbacks\n} from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\n\n@Component({\n selector: 'fc-node',\n template: ' ',\n styleUrls: ['./node.component.scss']\n})\nexport class FcNodeContainerComponent implements OnInit, OnChanges {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n userNodeCallbacks: UserNodeCallbacks;\n\n @Input()\n node: FcNode;\n\n @Input()\n selected: boolean;\n\n @Input()\n edit: boolean;\n\n @Input()\n underMouse: boolean;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n dragging: boolean;\n\n @HostBinding('attr.id')\n get nodeId(): string {\n return this.node.id;\n }\n\n @HostBinding('style.top')\n get top(): string {\n return this.node.y + 'px';\n }\n\n @HostBinding('style.left')\n get left(): string {\n return this.node.x + 'px';\n }\n\n nodeComponent: FcNodeComponent;\n\n @ViewChild('nodeContent', {read: ViewContainerRef, static: true}) nodeContentContainer: ViewContainerRef;\n\n constructor(@Inject(FC_NODE_COMPONENT_CONFIG) private nodeComponentConfig: FcNodeComponentConfig,\n private elementRef: ElementRef,\n private componentFactoryResolver: ComponentFactoryResolver) {\n }\n\n ngOnInit(): void {\n if (!this.userNodeCallbacks) {\n this.userNodeCallbacks = {};\n }\n this.userNodeCallbacks.nodeEdit = this.userNodeCallbacks.nodeEdit || (() => {});\n this.userNodeCallbacks.doubleClick = this.userNodeCallbacks.doubleClick || (() => {});\n this.userNodeCallbacks.mouseDown = this.userNodeCallbacks.mouseDown || (() => {});\n this.userNodeCallbacks.mouseEnter = this.userNodeCallbacks.mouseEnter || (() => {});\n this.userNodeCallbacks.mouseLeave = this.userNodeCallbacks.mouseLeave || (() => {});\n\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.nodeClass);\n if (!this.node.readonly) {\n element.attr('draggable', 'true');\n }\n this.updateNodeClass();\n this.modelservice.nodes.setHtmlElement(this.node.id, element[0]);\n this.nodeContentContainer.clear();\n const componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType);\n const componentRef = this.nodeContentContainer.createComponent(componentFactory);\n this.nodeComponent = componentRef.instance;\n this.nodeComponent.callbacks = this.callbacks;\n this.nodeComponent.userNodeCallbacks = this.userNodeCallbacks;\n this.nodeComponent.node = this.node;\n this.nodeComponent.modelservice = this.modelservice;\n this.updateNodeComponent();\n }\n\n ngOnChanges(changes: SimpleChanges): void {\n let updateNode = false;\n for (const propName of Object.keys(changes)) {\n const change = changes[propName];\n if (!change.firstChange && change.currentValue !== change.previousValue) {\n if (['selected', 'edit', 'underMouse', 'mouseOverConnector', 'dragging'].includes(propName)) {\n updateNode = true;\n }\n }\n }\n if (updateNode) {\n this.updateNodeClass();\n this.updateNodeComponent();\n }\n }\n\n private updateNodeClass() {\n const element = $(this.elementRef.nativeElement);\n this.toggleClass(element, FlowchartConstants.selectedClass, this.selected);\n this.toggleClass(element, FlowchartConstants.editClass, this.edit);\n this.toggleClass(element, FlowchartConstants.hoverClass, this.underMouse);\n this.toggleClass(element, FlowchartConstants.draggingClass, this.dragging);\n }\n\n private updateNodeComponent() {\n this.nodeComponent.selected = this.selected;\n this.nodeComponent.edit = this.edit;\n this.nodeComponent.underMouse = this.underMouse;\n this.nodeComponent.mouseOverConnector = this.mouseOverConnector;\n this.nodeComponent.dragging = this.dragging;\n }\n\n private toggleClass(element: JQuery, clazz: string, set: boolean) {\n if (set) {\n element.addClass(clazz);\n } else {\n element.removeClass(clazz);\n }\n }\n\n @HostListener('mousedown', ['$event'])\n mousedown(event: MouseEvent) {\n event.stopPropagation();\n }\n\n @HostListener('dragstart', ['$event'])\n dragstart(event: DragEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeDragstart(event, this.node);\n }\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeDragend(event);\n }\n }\n\n @HostListener('click', ['$event'])\n click(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeClicked(event, this.node);\n }\n }\n\n @HostListener('mouseover', ['$event'])\n mouseover(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeMouseOver(event, this.node);\n }\n }\n\n @HostListener('mouseout', ['$event'])\n mouseout(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeMouseOut(event, this.node);\n }\n }\n\n}\n\nexport abstract class FcNodeComponent implements OnInit {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n userNodeCallbacks: UserNodeCallbacks;\n\n @Input()\n node: FcNode;\n\n @Input()\n selected: boolean;\n\n @Input()\n edit: boolean;\n\n @Input()\n underMouse: boolean;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n dragging: boolean;\n\n flowchartConstants = FlowchartConstants;\n\n ngOnInit(): void {\n }\n\n}\n","import { Component } from '@angular/core';\nimport { FcNodeComponent } from './node.component';\n\n@Component({\n selector: 'fc-default-node',\n templateUrl: './default-node.component.html',\n styleUrls: ['./default-node.component.scss']\n})\nexport class DefaultFcNodeComponent extends FcNodeComponent {\n\n constructor() {\n super();\n }\n\n}\n","import { NgModule } from '@angular/core';\nimport { NgxFlowchartComponent } from './ngx-flowchart.component';\nimport { FcModelValidationService } from './modelvalidation.service';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { CommonModule } from '@angular/common';\nimport { FcMagnetDirective } from './magnet.directive';\nimport { FcConnectorDirective } from './connector.directive';\nimport { FcNodeContainerComponent } from './node.component';\nimport { FC_NODE_COMPONENT_CONFIG } from './ngx-flowchart.models';\nimport { DefaultFcNodeComponent } from './default-node.component';\n\n@NgModule({\n entryComponents: [\n DefaultFcNodeComponent\n ],\n declarations: [NgxFlowchartComponent,\n FcMagnetDirective,\n FcConnectorDirective,\n FcNodeContainerComponent,\n DefaultFcNodeComponent],\n providers: [\n FcModelValidationService,\n FcEdgeDrawingService,\n {\n provide: FC_NODE_COMPONENT_CONFIG,\n useValue: {\n nodeComponentType: DefaultFcNodeComponent\n }\n }\n ],\n imports: [\n CommonModule\n ],\n exports: [NgxFlowchartComponent,\n FcMagnetDirective,\n FcConnectorDirective,\n DefaultFcNodeComponent]\n})\nexport class NgxFlowchartModule { }\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/connector.directive.js b/dist/ngx-flowchart/esm2015/lib/connector.directive.js
new file mode 100644
index 0000000..8ce831e
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/connector.directive.js
@@ -0,0 +1,152 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { Directive, ElementRef, HostListener, Input } from '@angular/core';
+import { FlowchartConstants } from './ngx-flowchart.models';
+import { FcModelService } from './model.service';
+export class FcConnectorDirective {
+ /**
+ * @param {?} elementRef
+ */
+ constructor(elementRef) {
+ this.elementRef = elementRef;
+ }
+ /**
+ * @return {?}
+ */
+ ngOnInit() {
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.connectorClass);
+ if (this.modelservice.isEditable()) {
+ element.attr('draggable', 'true');
+ this.updateConnectorClass();
+ }
+ this.modelservice.connectors.setHtmlElement(this.connector.id, element[0]);
+ }
+ /**
+ * @param {?} changes
+ * @return {?}
+ */
+ ngOnChanges(changes) {
+ /** @type {?} */
+ let updateConnector = false;
+ for (const propName of Object.keys(changes)) {
+ /** @type {?} */
+ const change = changes[propName];
+ if (!change.firstChange && change.currentValue !== change.previousValue) {
+ if (propName === 'mouseOverConnector') {
+ updateConnector = true;
+ }
+ }
+ }
+ if (updateConnector && this.modelservice.isEditable()) {
+ this.updateConnectorClass();
+ }
+ }
+ /**
+ * @private
+ * @return {?}
+ */
+ updateConnectorClass() {
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ if (this.connector === this.mouseOverConnector) {
+ element.addClass(FlowchartConstants.hoverClass);
+ }
+ else {
+ element.removeClass(FlowchartConstants.hoverClass);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragover(event) {
+ // Skip - conflict with magnet
+ /* if (this.modelservice.isEditable()) {
+ return this.callbacks.edgeDragoverConnector(event, this.connector);
+ }*/
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ drop(event) {
+ if (this.modelservice.isEditable()) {
+ return this.callbacks.edgeDrop(event, this.connector);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragend(event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.edgeDragend(event);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragstart(event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.edgeDragstart(event, this.connector);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mouseenter(event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.connectorMouseEnter(event, this.connector);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mouseleave(event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.connectorMouseLeave(event, this.connector);
+ }
+ }
+}
+FcConnectorDirective.decorators = [
+ { type: Directive, args: [{
+ // tslint:disable-next-line:directive-selector
+ selector: '[fc-connector]'
+ },] }
+];
+/** @nocollapse */
+FcConnectorDirective.ctorParameters = () => [
+ { type: ElementRef }
+];
+FcConnectorDirective.propDecorators = {
+ callbacks: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ connector: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }],
+ dragstart: [{ type: HostListener, args: ['dragstart', ['$event'],] }],
+ mouseenter: [{ type: HostListener, args: ['mouseenter', ['$event'],] }],
+ mouseleave: [{ type: HostListener, args: ['mouseleave', ['$event'],] }]
+};
+if (false) {
+ /** @type {?} */
+ FcConnectorDirective.prototype.callbacks;
+ /** @type {?} */
+ FcConnectorDirective.prototype.modelservice;
+ /** @type {?} */
+ FcConnectorDirective.prototype.connector;
+ /** @type {?} */
+ FcConnectorDirective.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcConnectorDirective.prototype.elementRef;
+}
+//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiY29ubmVjdG9yLmRpcmVjdGl2ZS5qcyIsInNvdXJjZVJvb3QiOiJuZzovL25neC1mbG93Y2hhcnQvIiwic291cmNlcyI6WyJsaWIvY29ubmVjdG9yLmRpcmVjdGl2ZS50cyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiOzs7O0FBQUEsT0FBTyxFQUFFLFNBQVMsRUFBRSxVQUFVLEVBQUUsWUFBWSxFQUFFLEtBQUssRUFBb0MsTUFBTSxlQUFlLENBQUM7QUFDN0csT0FBTyxFQUE0QixrQkFBa0IsRUFBRSxNQUFNLHdCQUF3QixDQUFDO0FBQ3RGLE9BQU8sRUFBRSxjQUFjLEVBQUUsTUFBTSxpQkFBaUIsQ0FBQztBQU1qRCxNQUFNLE9BQU8sb0JBQW9COzs7O0lBYy9CLFlBQW1CLFVBQW1DO1FBQW5DLGVBQVUsR0FBVixVQUFVLENBQXlCO0lBQ3RELENBQUM7Ozs7SUFFRCxRQUFROztjQUNBLE9BQU8sR0FBRyxDQUFDLENBQUMsSUFBSSxDQUFDLFVBQVUsQ0FBQyxhQUFhLENBQUM7UUFDaEQsT0FBTyxDQUFDLFFBQVEsQ0FBQyxrQkFBa0IsQ0FBQyxjQUFjLENBQUMsQ0FBQztRQUNwRCxJQUFJLElBQUksQ0FBQyxZQUFZLENBQUMsVUFBVSxFQUFFLEVBQUU7WUFDbEMsT0FBTyxDQUFDLElBQUksQ0FBQyxXQUFXLEVBQUUsTUFBTSxDQUFDLENBQUM7WUFDbEMsSUFBSSxDQUFDLG9CQUFvQixFQUFFLENBQUM7U0FDN0I7UUFDRCxJQUFJLENBQUMsWUFBWSxDQUFDLFVBQVUsQ0FBQyxjQUFjLENBQUMsSUFBSSxDQUFDLFNBQVMsQ0FBQyxFQUFFLEVBQUUsT0FBTyxDQUFDLENBQUMsQ0FBQyxDQUFDLENBQUM7SUFDN0UsQ0FBQzs7Ozs7SUFFRCxXQUFXLENBQUMsT0FBc0I7O1lBQzVCLGVBQWUsR0FBRyxLQUFLO1FBQzNCLEtBQUssTUFBTSxRQUFRLElBQUksTUFBTSxDQUFDLElBQUksQ0FBQyxPQUFPLENBQUMsRUFBRTs7a0JBQ3JDLE1BQU0sR0FBRyxPQUFPLENBQUMsUUFBUSxDQUFDO1lBQ2hDLElBQUksQ0FBQyxNQUFNLENBQUMsV0FBVyxJQUFJLE1BQU0sQ0FBQyxZQUFZLEtBQUssTUFBTSxDQUFDLGFBQWEsRUFBRTtnQkFDdkUsSUFBSSxRQUFRLEtBQUssb0JBQW9CLEVBQUU7b0JBQ3JDLGVBQWUsR0FBRyxJQUFJLENBQUM7aUJBQ3hCO2FBQ0Y7U0FDRjtRQUNELElBQUksZUFBZSxJQUFJLElBQUksQ0FBQyxZQUFZLENBQUMsVUFBVSxFQUFFLEVBQUU7WUFDckQsSUFBSSxDQUFDLG9CQUFvQixFQUFFLENBQUM7U0FDN0I7SUFDSCxDQUFDOzs7OztJQUVPLG9CQUFvQjs7Y0FDcEIsT0FBTyxHQUFHLENBQUMsQ0FBQyxJQUFJLENBQUMsVUFBVSxDQUFDLGFBQWEsQ0FBQztRQUNoRCxJQUFJLElBQUksQ0FBQyxTQUFTLEtBQUssSUFBSSxDQUFDLGtCQUFrQixFQUFFO1lBQzlDLE9BQU8sQ0FBQyxRQUFRLENBQUMsa0JBQWtCLENBQUMsVUFBVSxDQUFDLENBQUM7U0FDakQ7YUFBTTtZQUNMLE9BQU8sQ0FBQyxXQUFXLENBQUMsa0JBQWtCLENBQUMsVUFBVSxDQUFDLENBQUM7U0FDcEQ7SUFDSCxDQUFDOzs7OztJQUdELFFBQVEsQ0FBQyxLQUFnQjtRQUN2Qiw4QkFBOEI7UUFDOUI7O1dBRUc7SUFDTCxDQUFDOzs7OztJQUdELElBQUksQ0FBQyxLQUFnQjtRQUNuQixJQUFJLElBQUksQ0FBQyxZQUFZLENBQUMsVUFBVSxFQUFFLEVBQUU7WUFDbEMsT0FBTyxJQUFJLENBQUMsU0FBUyxDQUFDLFFBQVEsQ0FBQyxLQUFLLEVBQUUsSUFBSSxDQUFDLFNBQVMsQ0FBQyxDQUFDO1NBQ3ZEO0lBQ0gsQ0FBQzs7Ozs7SUFHRCxPQUFPLENBQUMsS0FBZ0I7UUFDdEIsSUFBSSxJQUFJLENBQUMsWUFBWSxDQUFDLFVBQVUsRUFBRSxFQUFFO1lBQ2xDLElBQUksQ0FBQyxTQUFTLENBQUMsV0FBVyxDQUFDLEtBQUssQ0FBQyxDQUFDO1NBQ25DO0lBQ0gsQ0FBQzs7Ozs7SUFHRCxTQUFTLENBQUMsS0FBZ0I7UUFDeEIsSUFBSSxJQUFJLENBQUMsWUFBWSxDQUFDLFVBQVUsRUFBRSxFQUFFO1lBQ2xDLElBQUksQ0FBQyxTQUFTLENBQUMsYUFBYSxDQUFDLEtBQUssRUFBRSxJQUFJLENBQUMsU0FBUyxDQUFDLENBQUM7U0FDckQ7SUFDSCxDQUFDOzs7OztJQUdELFVBQVUsQ0FBQyxLQUFpQjtRQUMxQixJQUFJLElBQUksQ0FBQyxZQUFZLENBQUMsVUFBVSxFQUFFLEVBQUU7WUFDbEMsSUFBSSxDQUFDLFNBQVMsQ0FBQyxtQkFBbUIsQ0FBQyxLQUFLLEVBQUUsSUFBSSxDQUFDLFNBQVMsQ0FBQyxDQUFDO1NBQzNEO0lBQ0gsQ0FBQzs7Ozs7SUFHRCxVQUFVLENBQUMsS0FBaUI7UUFDMUIsSUFBSSxJQUFJLENBQUMsWUFBWSxDQUFDLFVBQVUsRUFBRSxFQUFFO1lBQ2xDLElBQUksQ0FBQyxTQUFTLENBQUMsbUJBQW1CLENBQUMsS0FBSyxFQUFFLElBQUksQ0FBQyxTQUFTLENBQUMsQ0FBQztTQUMzRDtJQUNILENBQUM7OztZQWhHRixTQUFTLFNBQUM7O2dCQUVULFFBQVEsRUFBRSxnQkFBZ0I7YUFDM0I7Ozs7WUFQbUIsVUFBVTs7O3dCQVUzQixLQUFLOzJCQUdMLEtBQUs7d0JBR0wsS0FBSztpQ0FHTCxLQUFLO3VCQXdDTCxZQUFZLFNBQUMsVUFBVSxFQUFFLENBQUMsUUFBUSxDQUFDO21CQVFuQyxZQUFZLFNBQUMsTUFBTSxFQUFFLENBQUMsUUFBUSxDQUFDO3NCQU8vQixZQUFZLFNBQUMsU0FBUyxFQUFFLENBQUMsUUFBUSxDQUFDO3dCQU9sQyxZQUFZLFNBQUMsV0FBVyxFQUFFLENBQUMsUUFBUSxDQUFDO3lCQU9wQyxZQUFZLFNBQUMsWUFBWSxFQUFFLENBQUMsUUFBUSxDQUFDO3lCQU9yQyxZQUFZLFNBQUMsWUFBWSxFQUFFLENBQUMsUUFBUSxDQUFDOzs7O0lBckZ0Qyx5Q0FDdUI7O0lBRXZCLDRDQUM2Qjs7SUFFN0IseUNBQ3VCOztJQUV2QixrREFDZ0M7O0lBRXBCLDBDQUEwQyIsInNvdXJjZXNDb250ZW50IjpbImltcG9ydCB7IERpcmVjdGl2ZSwgRWxlbWVudFJlZiwgSG9zdExpc3RlbmVyLCBJbnB1dCwgT25DaGFuZ2VzLCBPbkluaXQsIFNpbXBsZUNoYW5nZXMgfSBmcm9tICdAYW5ndWxhci9jb3JlJztcbmltcG9ydCB7IEZjQ2FsbGJhY2tzLCBGY0Nvbm5lY3RvciwgRmxvd2NoYXJ0Q29uc3RhbnRzIH0gZnJvbSAnLi9uZ3gtZmxvd2NoYXJ0Lm1vZGVscyc7XG5pbXBvcnQgeyBGY01vZGVsU2VydmljZSB9IGZyb20gJy4vbW9kZWwuc2VydmljZSc7XG5cbkBEaXJlY3RpdmUoe1xuICAvLyB0c2xpbnQ6ZGlzYWJsZS1uZXh0LWxpbmU6ZGlyZWN0aXZlLXNlbGVjdG9yXG4gIHNlbGVjdG9yOiAnW2ZjLWNvbm5lY3Rvcl0nXG59KVxuZXhwb3J0IGNsYXNzIEZjQ29ubmVjdG9yRGlyZWN0aXZlIGltcGxlbWVudHMgT25Jbml0LCBPbkNoYW5nZXMge1xuXG4gIEBJbnB1dCgpXG4gIGNhbGxiYWNrczogRmNDYWxsYmFja3M7XG5cbiAgQElucHV0KClcbiAgbW9kZWxzZXJ2aWNlOiBGY01vZGVsU2VydmljZTtcblxuICBASW5wdXQoKVxuICBjb25uZWN0b3I6IEZjQ29ubmVjdG9yO1xuXG4gIEBJbnB1dCgpXG4gIG1vdXNlT3ZlckNvbm5lY3RvcjogRmNDb25uZWN0b3I7XG5cbiAgY29uc3RydWN0b3IocHVibGljIGVsZW1lbnRSZWY6IEVsZW1lbnRSZWY8SFRNTEVsZW1lbnQ+KSB7XG4gIH1cblxuICBuZ09uSW5pdCgpOiB2b2lkIHtcbiAgICBjb25zdCBlbGVtZW50ID0gJCh0aGlzLmVsZW1lbnRSZWYubmF0aXZlRWxlbWVudCk7XG4gICAgZWxlbWVudC5hZGRDbGFzcyhGbG93Y2hhcnRDb25zdGFudHMuY29ubmVjdG9yQ2xhc3MpO1xuICAgIGlmICh0aGlzLm1vZGVsc2VydmljZS5pc0VkaXRhYmxlKCkpIHtcbiAgICAgIGVsZW1lbnQuYXR0cignZHJhZ2dhYmxlJywgJ3RydWUnKTtcbiAgICAgIHRoaXMudXBkYXRlQ29ubmVjdG9yQ2xhc3MoKTtcbiAgICB9XG4gICAgdGhpcy5tb2RlbHNlcnZpY2UuY29ubmVjdG9ycy5zZXRIdG1sRWxlbWVudCh0aGlzLmNvbm5lY3Rvci5pZCwgZWxlbWVudFswXSk7XG4gIH1cblxuICBuZ09uQ2hhbmdlcyhjaGFuZ2VzOiBTaW1wbGVDaGFuZ2VzKTogdm9pZCB7XG4gICAgbGV0IHVwZGF0ZUNvbm5lY3RvciA9IGZhbHNlO1xuICAgIGZvciAoY29uc3QgcHJvcE5hbWUgb2YgT2JqZWN0LmtleXMoY2hhbmdlcykpIHtcbiAgICAgIGNvbnN0IGNoYW5nZSA9IGNoYW5nZXNbcHJvcE5hbWVdO1xuICAgICAgaWYgKCFjaGFuZ2UuZmlyc3RDaGFuZ2UgJiYgY2hhbmdlLmN1cnJlbnRWYWx1ZSAhPT0gY2hhbmdlLnByZXZpb3VzVmFsdWUpIHtcbiAgICAgICAgaWYgKHByb3BOYW1lID09PSAnbW91c2VPdmVyQ29ubmVjdG9yJykge1xuICAgICAgICAgIHVwZGF0ZUNvbm5lY3RvciA9IHRydWU7XG4gICAgICAgIH1cbiAgICAgIH1cbiAgICB9XG4gICAgaWYgKHVwZGF0ZUNvbm5lY3RvciAmJiB0aGlzLm1vZGVsc2VydmljZS5pc0VkaXRhYmxlKCkpIHtcbiAgICAgIHRoaXMudXBkYXRlQ29ubmVjdG9yQ2xhc3MoKTtcbiAgICB9XG4gIH1cblxuICBwcml2YXRlIHVwZGF0ZUNvbm5lY3RvckNsYXNzKCkge1xuICAgIGNvbnN0IGVsZW1lbnQgPSAkKHRoaXMuZWxlbWVudFJlZi5uYXRpdmVFbGVtZW50KTtcbiAgICBpZiAodGhpcy5jb25uZWN0b3IgPT09IHRoaXMubW91c2VPdmVyQ29ubmVjdG9yKSB7XG4gICAgICBlbGVtZW50LmFkZENsYXNzKEZsb3djaGFydENvbnN0YW50cy5ob3ZlckNsYXNzKTtcbiAgICB9IGVsc2Uge1xuICAgICAgZWxlbWVudC5yZW1vdmVDbGFzcyhGbG93Y2hhcnRDb25zdGFudHMuaG92ZXJDbGFzcyk7XG4gICAgfVxuICB9XG5cbiAgQEhvc3RMaXN0ZW5lcignZHJhZ292ZXInLCBbJyRldmVudCddKVxuICBkcmFnb3ZlcihldmVudDogRHJhZ0V2ZW50KSB7XG4gICAgLy8gU2tpcCAtIGNvbmZsaWN0IHdpdGggbWFnbmV0XG4gICAgLyogaWYgKHRoaXMubW9kZWxzZXJ2aWNlLmlzRWRpdGFibGUoKSkge1xuICAgICAgcmV0dXJuIHRoaXMuY2FsbGJhY2tzLmVkZ2VEcmFnb3ZlckNvbm5lY3RvcihldmVudCwgdGhpcy5jb25uZWN0b3IpO1xuICAgIH0qL1xuICB9XG5cbiAgQEhvc3RMaXN0ZW5lcignZHJvcCcsIFsnJGV2ZW50J10pXG4gIGRyb3AoZXZlbnQ6IERyYWdFdmVudCkge1xuICAgIGlmICh0aGlzLm1vZGVsc2VydmljZS5pc0VkaXRhYmxlKCkpIHtcbiAgICAgIHJldHVybiB0aGlzLmNhbGxiYWNrcy5lZGdlRHJvcChldmVudCwgdGhpcy5jb25uZWN0b3IpO1xuICAgIH1cbiAgfVxuXG4gIEBIb3N0TGlzdGVuZXIoJ2RyYWdlbmQnLCBbJyRldmVudCddKVxuICBkcmFnZW5kKGV2ZW50OiBEcmFnRXZlbnQpIHtcbiAgICBpZiAodGhpcy5tb2RlbHNlcnZpY2UuaXNFZGl0YWJsZSgpKSB7XG4gICAgICB0aGlzLmNhbGxiYWNrcy5lZGdlRHJhZ2VuZChldmVudCk7XG4gICAgfVxuICB9XG5cbiAgQEhvc3RMaXN0ZW5lcignZHJhZ3N0YXJ0JywgWyckZXZlbnQnXSlcbiAgZHJhZ3N0YXJ0KGV2ZW50OiBEcmFnRXZlbnQpIHtcbiAgICBpZiAodGhpcy5tb2RlbHNlcnZpY2UuaXNFZGl0YWJsZSgpKSB7XG4gICAgICB0aGlzLmNhbGxiYWNrcy5lZGdlRHJhZ3N0YXJ0KGV2ZW50LCB0aGlzLmNvbm5lY3Rvcik7XG4gICAgfVxuICB9XG5cbiAgQEhvc3RMaXN0ZW5lcignbW91c2VlbnRlcicsIFsnJGV2ZW50J10pXG4gIG1vdXNlZW50ZXIoZXZlbnQ6IE1vdXNlRXZlbnQpIHtcbiAgICBpZiAodGhpcy5tb2RlbHNlcnZpY2UuaXNFZGl0YWJsZSgpKSB7XG4gICAgICB0aGlzLmNhbGxiYWNrcy5jb25uZWN0b3JNb3VzZUVudGVyKGV2ZW50LCB0aGlzLmNvbm5lY3Rvcik7XG4gICAgfVxuICB9XG5cbiAgQEhvc3RMaXN0ZW5lcignbW91c2VsZWF2ZScsIFsnJGV2ZW50J10pXG4gIG1vdXNlbGVhdmUoZXZlbnQ6IE1vdXNlRXZlbnQpIHtcbiAgICBpZiAodGhpcy5tb2RlbHNlcnZpY2UuaXNFZGl0YWJsZSgpKSB7XG4gICAgICB0aGlzLmNhbGxiYWNrcy5jb25uZWN0b3JNb3VzZUxlYXZlKGV2ZW50LCB0aGlzLmNvbm5lY3Rvcik7XG4gICAgfVxuICB9XG5cbn1cbiJdfQ==
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/default-node.component.js b/dist/ngx-flowchart/esm2015/lib/default-node.component.js
new file mode 100644
index 0000000..f20ee9f
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/default-node.component.js
@@ -0,0 +1,21 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { Component } from '@angular/core';
+import { FcNodeComponent } from './node.component';
+export class DefaultFcNodeComponent extends FcNodeComponent {
+ constructor() {
+ super();
+ }
+}
+DefaultFcNodeComponent.decorators = [
+ { type: Component, args: [{
+ selector: 'fc-default-node',
+ template: "\n
\n
\n
{{ node.name }}
\n\n
\n
\n
\n
\n \n
\n
\n ×\n
\n
\n",
+ styles: [":host .fc-node-overlay{position:absolute;pointer-events:none;left:0;top:0;right:0;bottom:0;background-color:#000;opacity:0}:host :host-context(.fc-hover) .fc-node-overlay{opacity:.25;transition:opacity .2s}:host :host-context(.fc-selected) .fc-node-overlay{opacity:.25}:host .innerNode{display:flex;justify-content:center;align-items:center;min-width:100px;border-radius:5px;background-color:#f15b26;color:#fff;font-size:16px;pointer-events:none}:host .innerNode p{padding:0 15px;text-align:center}"]
+ }] }
+];
+/** @nocollapse */
+DefaultFcNodeComponent.ctorParameters = () => [];
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/edge-dragging.service.js b/dist/ngx-flowchart/esm2015/lib/edge-dragging.service.js
new file mode 100644
index 0000000..6c80343
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/edge-dragging.service.js
@@ -0,0 +1,390 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { FlowchartConstants, ModelvalidationError } from './ngx-flowchart.models';
+export class FcEdgeDraggingService {
+ /**
+ * @param {?} modelValidation
+ * @param {?} edgeDrawingService
+ * @param {?} modelService
+ * @param {?} model
+ * @param {?} isValidEdgeCallback
+ * @param {?} applyFunction
+ * @param {?} dragAnimation
+ * @param {?} edgeStyle
+ */
+ constructor(modelValidation, edgeDrawingService, modelService, model, isValidEdgeCallback, applyFunction, dragAnimation, edgeStyle) {
+ this.edgeDragging = {
+ isDragging: false,
+ dragPoint1: null,
+ dragPoint2: null,
+ shadowDragStarted: false
+ };
+ this.draggedEdgeSource = null;
+ this.dragOffset = {};
+ this.destinationHtmlElement = null;
+ this.oldDisplayStyle = '';
+ this.modelValidation = modelValidation;
+ this.edgeDrawingService = edgeDrawingService;
+ this.modelService = modelService;
+ this.model = model;
+ this.isValidEdgeCallback = isValidEdgeCallback || ((/**
+ * @return {?}
+ */
+ () => true));
+ this.applyFunction = applyFunction;
+ this.dragAnimation = dragAnimation;
+ this.edgeStyle = edgeStyle;
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ dragstart(event, connector) {
+ /** @type {?} */
+ let swapConnector;
+ /** @type {?} */
+ let dragLabel;
+ /** @type {?} */
+ let prevEdge;
+ if (connector.type === FlowchartConstants.leftConnectorType) {
+ for (const edge of this.model.edges) {
+ if (edge === connector.id) {
+ swapConnector = this.modelService.connectors.getConnector(edge.source);
+ dragLabel = edge.label;
+ prevEdge = edge;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.modelService.edges.delete(edge);
+ }));
+ break;
+ }
+ }
+ }
+ this.edgeDragging.isDragging = true;
+ if (swapConnector !== undefined) {
+ this.draggedEdgeSource = swapConnector;
+ this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(swapConnector.id);
+ this.edgeDragging.dragLabel = dragLabel;
+ this.edgeDragging.prevEdge = prevEdge;
+ }
+ else {
+ this.draggedEdgeSource = connector;
+ this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(connector.id);
+ }
+ /** @type {?} */
+ const canvas = this.modelService.canvasHtmlElement;
+ if (!canvas) {
+ throw new Error('No canvas while edgedraggingService found.');
+ }
+ this.dragOffset.x = -canvas.getBoundingClientRect().left;
+ this.dragOffset.y = -canvas.getBoundingClientRect().top;
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ /** @type {?} */
+ const originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ originalEvent.dataTransfer.setData('Text', 'Just to support firefox');
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ this.destinationHtmlElement = (/** @type {?} */ (event.target));
+ this.oldDisplayStyle = this.destinationHtmlElement.style.display;
+ this.destinationHtmlElement.style.display = 'none';
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.shadowDragStarted = true;
+ }
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.edgeDragging.gElement === undefined) {
+ this.edgeDragging.gElement = $(document.querySelectorAll('.shadow-svg-class'));
+ this.edgeDragging.pathElement = $(document.querySelectorAll('.shadow-svg-class')).find('path');
+ this.edgeDragging.circleElement = $(document.querySelectorAll('.shadow-svg-class')).find('circle');
+ }
+ this.edgeDragging.gElement.css('display', 'block');
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ }
+ event.stopPropagation();
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragover(event) {
+ if (this.edgeDragging.isDragging) {
+ if (!this.edgeDragging.magnetActive && this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.destinationHtmlElement !== null) {
+ this.destinationHtmlElement.style.display = this.oldDisplayStyle;
+ }
+ if (this.edgeDragging.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.edgeDragging.shadowDragStarted = false;
+ }));
+ }
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ if (this.destinationHtmlElement !== null) {
+ this.destinationHtmlElement.style.display = this.oldDisplayStyle;
+ }
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ }));
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ dragoverConnector(event, connector) {
+ if (this.edgeDragging.isDragging) {
+ this.dragover(event);
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: connector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragleaveMagnet(event) {
+ this.edgeDragging.magnetActive = false;
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ dragoverMagnet(event, connector) {
+ if (this.edgeDragging.isDragging) {
+ this.dragover(event);
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: connector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.magnetActive = true;
+ this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }));
+ }
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragend(event) {
+ if (this.edgeDragging.isDragging) {
+ this.edgeDragging.isDragging = false;
+ this.edgeDragging.dragPoint1 = null;
+ this.edgeDragging.dragPoint2 = null;
+ this.edgeDragging.dragLabel = null;
+ event.stopPropagation();
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.gElement.css('display', 'none');
+ }
+ if (this.edgeDragging.prevEdge) {
+ /** @type {?} */
+ const edge = this.edgeDragging.prevEdge;
+ this.edgeDragging.prevEdge = null;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.modelService.edges.putEdge(edge);
+ }));
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @param {?} targetConnector
+ * @return {?}
+ */
+ drop(event, targetConnector) {
+ if (this.edgeDragging.isDragging) {
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: targetConnector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, targetConnector)) {
+ this.edgeDragging.prevEdge = null;
+ this.modelService.edges._addEdge(event, this.draggedEdgeSource, targetConnector, this.edgeDragging.dragLabel);
+ event.stopPropagation();
+ event.preventDefault();
+ return false;
+ }
+ }
+ }
+}
+if (false) {
+ /** @type {?} */
+ FcEdgeDraggingService.prototype.edgeDragging;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.draggedEdgeSource;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.dragOffset;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.destinationHtmlElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.oldDisplayStyle;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.modelValidation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.edgeDrawingService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.model;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.isValidEdgeCallback;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.applyFunction;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.dragAnimation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.edgeStyle;
+}
+/**
+ * @record
+ */
+export function EdgeDragging() { }
+if (false) {
+ /** @type {?} */
+ EdgeDragging.prototype.isDragging;
+ /** @type {?} */
+ EdgeDragging.prototype.shadowDragStarted;
+ /** @type {?} */
+ EdgeDragging.prototype.dragPoint1;
+ /** @type {?} */
+ EdgeDragging.prototype.dragPoint2;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.dragLabel;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.prevEdge;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.magnetActive;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.gElement;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.pathElement;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.circleElement;
+}
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{ FcModelService } from './model.service';\nimport { FcConnector, FcCoords, FcEdge, FcModel, FlowchartConstants, ModelvalidationError } from './ngx-flowchart.models';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcModelValidationService } from './modelvalidation.service';\n\nexport class FcEdgeDraggingService {\n\n  edgeDragging: EdgeDragging = {\n    isDragging: false,\n    dragPoint1: null,\n    dragPoint2: null,\n    shadowDragStarted: false\n  };\n\n  private draggedEdgeSource: FcConnector = null;\n  private dragOffset: FcCoords = {};\n  private destinationHtmlElement: HTMLElement = null;\n  private oldDisplayStyle = '';\n\n  private readonly modelValidation: FcModelValidationService;\n  private readonly edgeDrawingService: FcEdgeDrawingService;\n  private readonly modelService: FcModelService;\n  private readonly model: FcModel;\n  private readonly isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean;\n  private readonly applyFunction: <T>(fn: (...args: any[]) => T) => T;\n  private readonly dragAnimation: string;\n  private readonly edgeStyle: string;\n\n  constructor(modelValidation: FcModelValidationService,\n              edgeDrawingService: FcEdgeDrawingService,\n              modelService: FcModelService,\n              model: FcModel,\n              isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean,\n              applyFunction: <T>(fn: (...args: any[]) => T) => T,\n              dragAnimation: string,\n              edgeStyle: string) {\n    this.modelValidation = modelValidation;\n    this.edgeDrawingService = edgeDrawingService;\n    this.modelService = modelService;\n    this.model = model;\n    this.isValidEdgeCallback = isValidEdgeCallback || (() => true);\n    this.applyFunction = applyFunction;\n    this.dragAnimation = dragAnimation;\n    this.edgeStyle = edgeStyle;\n  }\n\n  public dragstart(event: DragEvent, connector: FcConnector) {\n    let swapConnector: FcConnector;\n    let dragLabel: string;\n    let prevEdge: FcEdge;\n    if (connector.type === FlowchartConstants.leftConnectorType) {\n      for (const edge of this.model.edges) {\n        if (edge === connector.id) {\n          swapConnector = this.modelService.connectors.getConnector(edge.source);\n          dragLabel = edge.label;\n          prevEdge = edge;\n          this.applyFunction(() => {\n            this.modelService.edges.delete(edge);\n          });\n          break;\n        }\n      }\n    }\n    this.edgeDragging.isDragging = true;\n    if (swapConnector !== undefined) {\n      this.draggedEdgeSource = swapConnector;\n      this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(swapConnector.id);\n      this.edgeDragging.dragLabel = dragLabel;\n      this.edgeDragging.prevEdge = prevEdge;\n    } else {\n      this.draggedEdgeSource = connector;\n      this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(connector.id);\n    }\n    const canvas = this.modelService.canvasHtmlElement;\n    if (!canvas) {\n      throw new Error('No canvas while edgedraggingService found.');\n    }\n    this.dragOffset.x = -canvas.getBoundingClientRect().left;\n    this.dragOffset.y = -canvas.getBoundingClientRect().top;\n\n    this.edgeDragging.dragPoint2 = {\n      x: event.clientX + this.dragOffset.x,\n      y: event.clientY + this.dragOffset.y\n    };\n    const originalEvent: DragEvent = (event as any).originalEvent || event;\n\n    originalEvent.dataTransfer.setData('Text', 'Just to support firefox');\n    if (originalEvent.dataTransfer.setDragImage) {\n      originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n    } else {\n      this.destinationHtmlElement = event.target as HTMLElement;\n      this.oldDisplayStyle = this.destinationHtmlElement.style.display;\n      this.destinationHtmlElement.style.display = 'none';\n      if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n        this.edgeDragging.shadowDragStarted = true;\n      }\n    }\n    if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n      if (this.edgeDragging.gElement === undefined) {\n        this.edgeDragging.gElement = $(document.querySelectorAll('.shadow-svg-class'));\n        this.edgeDragging.pathElement = $(document.querySelectorAll('.shadow-svg-class')).find('path');\n        this.edgeDragging.circleElement = $(document.querySelectorAll('.shadow-svg-class')).find('circle');\n      }\n\n      this.edgeDragging.gElement.css('display', 'block');\n      this.edgeDragging.pathElement.attr('d',\n        this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n      this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n      this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n    }\n    event.stopPropagation();\n  }\n\n  public dragover(event: DragEvent) {\n    if (this.edgeDragging.isDragging) {\n      if (!this.edgeDragging.magnetActive && this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n        if (this.destinationHtmlElement !== null) {\n          this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n        }\n\n        if (this.edgeDragging.shadowDragStarted) {\n          this.applyFunction(() => {\n            this.edgeDragging.shadowDragStarted = false;\n          });\n        }\n\n        this.edgeDragging.dragPoint2 = {\n          x: event.clientX + this.dragOffset.x,\n          y: event.clientY + this.dragOffset.y\n        };\n\n        this.edgeDragging.pathElement.attr('d',\n          this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n        this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n        this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n      } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n        return this.applyFunction(() => {\n          if (this.destinationHtmlElement !== null) {\n            this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n          }\n\n          this.edgeDragging.dragPoint2 = {\n            x: event.clientX + this.dragOffset.x,\n            y: event.clientY + this.dragOffset.y\n          };\n        });\n      }\n    }\n  }\n\n  public dragoverConnector(event: DragEvent, connector: FcConnector): boolean {\n    if (this.edgeDragging.isDragging) {\n      this.dragover(event);\n      try {\n        this.modelValidation.validateEdges(this.model.edges.concat([{\n          source: this.draggedEdgeSource.id,\n          destination: connector.id\n        }]), this.model.nodes);\n      } catch (error) {\n        if (error instanceof ModelvalidationError) {\n          return true;\n        } else {\n          throw error;\n        }\n      }\n      if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n        event.preventDefault();\n        event.stopPropagation();\n        return false;\n      }\n    }\n  }\n\n  public dragleaveMagnet(event: DragEvent) {\n    this.edgeDragging.magnetActive = false;\n  }\n\n  public dragoverMagnet(event: DragEvent, connector: FcConnector): boolean {\n    if (this.edgeDragging.isDragging) {\n      this.dragover(event);\n      try {\n        this.modelValidation.validateEdges(this.model.edges.concat([{\n          source: this.draggedEdgeSource.id,\n          destination: connector.id\n        }]), this.model.nodes);\n      } catch (error) {\n        if (error instanceof ModelvalidationError) {\n          return true;\n        } else {\n          throw error;\n        }\n      }\n      if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n        if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n\n          this.edgeDragging.magnetActive = true;\n\n          this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n          this.edgeDragging.pathElement.attr('d',\n            this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n          this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n          this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n          event.preventDefault();\n          event.stopPropagation();\n          return false;\n        } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n          return this.applyFunction(() => {\n            this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n            event.preventDefault();\n            event.stopPropagation();\n            return false;\n          });\n        }\n      }\n    }\n  }\n\n  public dragend(event: DragEvent) {\n    if (this.edgeDragging.isDragging) {\n      this.edgeDragging.isDragging = false;\n      this.edgeDragging.dragPoint1 = null;\n      this.edgeDragging.dragPoint2 = null;\n      this.edgeDragging.dragLabel = null;\n      event.stopPropagation();\n\n      if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n        this.edgeDragging.gElement.css('display', 'none');\n      }\n      if (this.edgeDragging.prevEdge) {\n        const edge = this.edgeDragging.prevEdge;\n        this.edgeDragging.prevEdge = null;\n        this.applyFunction(() => {\n          this.modelService.edges.putEdge(edge);\n        });\n      }\n    }\n  }\n\n  public drop(event: DragEvent, targetConnector: FcConnector): boolean {\n    if (this.edgeDragging.isDragging) {\n      try {\n        this.modelValidation.validateEdges(this.model.edges.concat([{\n          source: this.draggedEdgeSource.id,\n          destination: targetConnector.id\n        }]), this.model.nodes);\n      } catch (error) {\n        if (error instanceof ModelvalidationError) {\n          return true;\n        } else {\n          throw error;\n        }\n      }\n\n      if (this.isValidEdgeCallback(this.draggedEdgeSource, targetConnector)) {\n        this.edgeDragging.prevEdge = null;\n        this.modelService.edges._addEdge(event, this.draggedEdgeSource, targetConnector, this.edgeDragging.dragLabel);\n        event.stopPropagation();\n        event.preventDefault();\n        return false;\n      }\n    }\n  }\n}\n\nexport interface EdgeDragging {\n  isDragging: boolean;\n  shadowDragStarted: boolean;\n  dragPoint1: FcCoords;\n  dragPoint2: FcCoords;\n  dragLabel?: string;\n  prevEdge?: FcEdge;\n  magnetActive?: boolean;\n  gElement?: JQuery<Element>;\n  pathElement?: JQuery<Element>;\n  circleElement?: JQuery<Element>;\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/edge-drawing.service.js b/dist/ngx-flowchart/esm2015/lib/edge-drawing.service.js
new file mode 100644
index 0000000..01772c0
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/edge-drawing.service.js
@@ -0,0 +1,81 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { Injectable } from '@angular/core';
+import { FlowchartConstants } from './ngx-flowchart.models';
+export class FcEdgeDrawingService {
+ constructor() {
+ }
+ /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @param {?} style
+ * @return {?}
+ */
+ getEdgeDAttribute(pt1, pt2, style) {
+ /** @type {?} */
+ let dAddribute = `M ${pt1.x}, ${pt1.y} `;
+ if (style === FlowchartConstants.curvedStyle) {
+ /** @type {?} */
+ const sourceTangent = this.computeEdgeSourceTangent(pt1, pt2);
+ /** @type {?} */
+ const destinationTangent = this.computeEdgeDestinationTangent(pt1, pt2);
+ dAddribute += `C ${sourceTangent.x}, ${sourceTangent.y} ${(destinationTangent.x - 50)}, ${destinationTangent.y} ${pt2.x}, ${pt2.y}`;
+ }
+ else {
+ dAddribute += `L ${pt2.x}, ${pt2.y}`;
+ }
+ return dAddribute;
+ }
+ /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ getEdgeCenter(pt1, pt2) {
+ return {
+ x: (pt1.x + pt2.x) / 2,
+ y: (pt1.y + pt2.y) / 2
+ };
+ }
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ computeEdgeTangentOffset(pt1, pt2) {
+ return (pt2.y - pt1.y) / 2;
+ }
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ computeEdgeSourceTangent(pt1, pt2) {
+ return {
+ x: pt1.x,
+ y: pt1.y + this.computeEdgeTangentOffset(pt1, pt2)
+ };
+ }
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ computeEdgeDestinationTangent(pt1, pt2) {
+ return {
+ x: pt2.x,
+ y: pt2.y - this.computeEdgeTangentOffset(pt1, pt2)
+ };
+ }
+}
+FcEdgeDrawingService.decorators = [
+ { type: Injectable }
+];
+/** @nocollapse */
+FcEdgeDrawingService.ctorParameters = () => [];
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/magnet.directive.js b/dist/ngx-flowchart/esm2015/lib/magnet.directive.js
new file mode 100644
index 0000000..bdf0f51
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/magnet.directive.js
@@ -0,0 +1,77 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { Directive, ElementRef, HostListener, Input } from '@angular/core';
+import { FlowchartConstants } from './ngx-flowchart.models';
+export class FcMagnetDirective {
+ /**
+ * @param {?} elementRef
+ */
+ constructor(elementRef) {
+ this.elementRef = elementRef;
+ }
+ /**
+ * @return {?}
+ */
+ ngOnInit() {
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.magnetClass);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragover(event) {
+ return this.callbacks.edgeDragoverMagnet(event, this.connector);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragleave(event) {
+ this.callbacks.edgeDragleaveMagnet(event);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ drop(event) {
+ return this.callbacks.edgeDrop(event, this.connector);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragend(event) {
+ this.callbacks.edgeDragend(event);
+ }
+}
+FcMagnetDirective.decorators = [
+ { type: Directive, args: [{
+ // tslint:disable-next-line:directive-selector
+ selector: '[fc-magnet]'
+ },] }
+];
+/** @nocollapse */
+FcMagnetDirective.ctorParameters = () => [
+ { type: ElementRef }
+];
+FcMagnetDirective.propDecorators = {
+ callbacks: [{ type: Input }],
+ connector: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ dragleave: [{ type: HostListener, args: ['dragleave', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }]
+};
+if (false) {
+ /** @type {?} */
+ FcMagnetDirective.prototype.callbacks;
+ /** @type {?} */
+ FcMagnetDirective.prototype.connector;
+ /** @type {?} */
+ FcMagnetDirective.prototype.elementRef;
+}
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/model.service.js b/dist/ngx-flowchart/esm2015/lib/model.service.js
new file mode 100644
index 0000000..d6768ec
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/model.service.js
@@ -0,0 +1,778 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { of } from 'rxjs';
+export class FcModelService {
+ /**
+ * @param {?} modelValidation
+ * @param {?} model
+ * @param {?} cd
+ * @param {?} selectedObjects
+ * @param {?} dropNode
+ * @param {?} createEdge
+ * @param {?} edgeAddedCallback
+ * @param {?} nodeRemovedCallback
+ * @param {?} edgeRemovedCallback
+ * @param {?} canvasHtmlElement
+ * @param {?} svgHtmlElement
+ */
+ constructor(modelValidation, model, cd, selectedObjects, dropNode, createEdge, edgeAddedCallback, nodeRemovedCallback, edgeRemovedCallback, canvasHtmlElement, svgHtmlElement) {
+ this.connectorsHtmlElements = {};
+ this.nodesHtmlElements = {};
+ this.canvasHtmlElement = null;
+ this.dragImage = null;
+ this.svgHtmlElement = null;
+ this.modelValidation = modelValidation;
+ this.model = model;
+ this.cd = cd;
+ this.canvasHtmlElement = canvasHtmlElement;
+ this.svgHtmlElement = svgHtmlElement;
+ this.modelValidation.validateModel(this.model);
+ this.selectedObjects = selectedObjects;
+ this.dropNode = dropNode || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.createEdge = createEdge || ((/**
+ * @return {?}
+ */
+ () => of({ label: 'label' })));
+ this.edgeAddedCallback = edgeAddedCallback || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.nodeRemovedCallback = nodeRemovedCallback || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.edgeRemovedCallback = edgeRemovedCallback || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.connectors = new ConnectorsModel(this);
+ this.nodes = new NodesModel(this);
+ this.edges = new EdgesModel(this);
+ }
+ /**
+ * @return {?}
+ */
+ detectChanges() {
+ setTimeout((/**
+ * @return {?}
+ */
+ () => {
+ this.cd.detectChanges();
+ }), 0);
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ selectObject(object) {
+ if (this.isEditable()) {
+ if (this.selectedObjects.indexOf(object) === -1) {
+ this.selectedObjects.push(object);
+ }
+ }
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ deselectObject(object) {
+ if (this.isEditable()) {
+ /** @type {?} */
+ const index = this.selectedObjects.indexOf(object);
+ if (index === -1) {
+ throw new Error('Tried to deselect an unselected object');
+ }
+ this.selectedObjects.splice(index, 1);
+ }
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ toggleSelectedObject(object) {
+ if (this.isSelectedObject(object)) {
+ this.deselectObject(object);
+ }
+ else {
+ this.selectObject(object);
+ }
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ isSelectedObject(object) {
+ return this.selectedObjects.indexOf(object) !== -1;
+ }
+ /**
+ * @return {?}
+ */
+ selectAll() {
+ this.model.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ node => {
+ if (!node.readonly) {
+ this.nodes.select(node);
+ }
+ }));
+ this.model.edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ edge => {
+ this.edges.select(edge);
+ }));
+ this.detectChanges();
+ }
+ /**
+ * @return {?}
+ */
+ deselectAll() {
+ this.selectedObjects.splice(0, this.selectedObjects.length);
+ this.detectChanges();
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ isEditObject(object) {
+ return this.selectedObjects.length === 1 &&
+ this.selectedObjects.indexOf(object) !== -1;
+ }
+ /**
+ * @private
+ * @param {?} x
+ * @param {?} y
+ * @param {?} rectBox
+ * @return {?}
+ */
+ inRectBox(x, y, rectBox) {
+ return x >= rectBox.left && x <= rectBox.right &&
+ y >= rectBox.top && y <= rectBox.bottom;
+ }
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ getItemInfoAtPoint(x, y) {
+ return {
+ node: this.getNodeAtPoint(x, y),
+ edge: this.getEdgeAtPoint(x, y)
+ };
+ }
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ getNodeAtPoint(x, y) {
+ for (const node of this.model.nodes) {
+ /** @type {?} */
+ const element = this.nodes.getHtmlElement(node.id);
+ /** @type {?} */
+ const nodeElementBox = element.getBoundingClientRect();
+ if (x >= nodeElementBox.left && x <= nodeElementBox.right
+ && y >= nodeElementBox.top && y <= nodeElementBox.bottom) {
+ return node;
+ }
+ }
+ return null;
+ }
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ getEdgeAtPoint(x, y) {
+ /** @type {?} */
+ const element = document.elementFromPoint(x, y);
+ /** @type {?} */
+ const id = element.id;
+ /** @type {?} */
+ let edgeIndex = -1;
+ if (id) {
+ if (id.startsWith('fc-edge-path-')) {
+ edgeIndex = Number(id.substring('fc-edge-path-'.length));
+ }
+ else if (id.startsWith('fc-edge-label-')) {
+ edgeIndex = Number(id.substring('fc-edge-label-'.length));
+ }
+ }
+ if (edgeIndex > -1) {
+ return this.model.edges[edgeIndex];
+ }
+ return null;
+ }
+ /**
+ * @param {?} rectBox
+ * @return {?}
+ */
+ selectAllInRect(rectBox) {
+ this.model.nodes.forEach((/**
+ * @param {?} value
+ * @return {?}
+ */
+ (value) => {
+ /** @type {?} */
+ const element = this.nodes.getHtmlElement(value.id);
+ /** @type {?} */
+ const nodeElementBox = element.getBoundingClientRect();
+ if (!value.readonly) {
+ /** @type {?} */
+ const x = nodeElementBox.left + nodeElementBox.width / 2;
+ /** @type {?} */
+ const y = nodeElementBox.top + nodeElementBox.height / 2;
+ if (this.inRectBox(x, y, rectBox)) {
+ this.nodes.select(value);
+ }
+ else {
+ if (this.nodes.isSelected(value)) {
+ this.nodes.deselect(value);
+ }
+ }
+ }
+ }));
+ /** @type {?} */
+ const canvasElementBox = this.canvasHtmlElement.getBoundingClientRect();
+ this.model.edges.forEach((/**
+ * @param {?} value
+ * @return {?}
+ */
+ (value) => {
+ /** @type {?} */
+ const start = this.edges.sourceCoord(value);
+ /** @type {?} */
+ const end = this.edges.destCoord(value);
+ /** @type {?} */
+ const x = (start.x + end.x) / 2 + canvasElementBox.left;
+ /** @type {?} */
+ const y = (start.y + end.y) / 2 + canvasElementBox.top;
+ if (this.inRectBox(x, y, rectBox)) {
+ this.edges.select(value);
+ }
+ else {
+ if (this.edges.isSelected(value)) {
+ this.edges.deselect(value);
+ }
+ }
+ }));
+ }
+ /**
+ * @return {?}
+ */
+ deleteSelected() {
+ /** @type {?} */
+ const edgesToDelete = this.edges.getSelectedEdges();
+ edgesToDelete.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ (edge) => {
+ this.edges.delete(edge);
+ }));
+ /** @type {?} */
+ const nodesToDelete = this.nodes.getSelectedNodes();
+ nodesToDelete.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ this.nodes.delete(node);
+ }));
+ }
+ /**
+ * @return {?}
+ */
+ isEditable() {
+ return this.dropTargetId === undefined;
+ }
+ /**
+ * @return {?}
+ */
+ isDropSource() {
+ return this.dropTargetId !== undefined;
+ }
+ /**
+ * @return {?}
+ */
+ getDragImage() {
+ if (!this.dragImage) {
+ this.dragImage = new Image();
+ this.dragImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
+ this.dragImage.style.visibility = 'hidden';
+ }
+ return this.dragImage;
+ }
+ /**
+ * @param {?} edgeAddedCallback
+ * @param {?} nodeRemovedCallback
+ * @param {?} edgeRemovedCallback
+ * @return {?}
+ */
+ registerCallbacks(edgeAddedCallback, nodeRemovedCallback, edgeRemovedCallback) {
+ this.edgeAddedCallback = edgeAddedCallback;
+ this.nodeRemovedCallback = nodeRemovedCallback;
+ this.edgeRemovedCallback = edgeRemovedCallback;
+ }
+}
+if (false) {
+ /** @type {?} */
+ FcModelService.prototype.modelValidation;
+ /** @type {?} */
+ FcModelService.prototype.model;
+ /** @type {?} */
+ FcModelService.prototype.cd;
+ /** @type {?} */
+ FcModelService.prototype.selectedObjects;
+ /** @type {?} */
+ FcModelService.prototype.connectorsHtmlElements;
+ /** @type {?} */
+ FcModelService.prototype.nodesHtmlElements;
+ /** @type {?} */
+ FcModelService.prototype.canvasHtmlElement;
+ /** @type {?} */
+ FcModelService.prototype.dragImage;
+ /** @type {?} */
+ FcModelService.prototype.svgHtmlElement;
+ /** @type {?} */
+ FcModelService.prototype.dropNode;
+ /** @type {?} */
+ FcModelService.prototype.createEdge;
+ /** @type {?} */
+ FcModelService.prototype.edgeAddedCallback;
+ /** @type {?} */
+ FcModelService.prototype.nodeRemovedCallback;
+ /** @type {?} */
+ FcModelService.prototype.edgeRemovedCallback;
+ /** @type {?} */
+ FcModelService.prototype.dropTargetId;
+ /** @type {?} */
+ FcModelService.prototype.connectors;
+ /** @type {?} */
+ FcModelService.prototype.nodes;
+ /** @type {?} */
+ FcModelService.prototype.edges;
+}
+/**
+ * @record
+ */
+function HtmlElementMap() { }
+/**
+ * @abstract
+ * @template T
+ */
+class AbstractFcModel {
+ /**
+ * @protected
+ * @param {?} modelService
+ */
+ constructor(modelService) {
+ this.modelService = modelService;
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ select(object) {
+ this.modelService.selectObject(object);
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ deselect(object) {
+ this.modelService.deselectObject(object);
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ toggleSelected(object) {
+ this.modelService.toggleSelectedObject(object);
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ isSelected(object) {
+ return this.modelService.isSelectedObject(object);
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ isEdit(object) {
+ return this.modelService.isEditObject(object);
+ }
+}
+if (false) {
+ /** @type {?} */
+ AbstractFcModel.prototype.modelService;
+}
+class ConnectorsModel extends AbstractFcModel {
+ /**
+ * @param {?} modelService
+ */
+ constructor(modelService) {
+ super(modelService);
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ getConnector(connectorId) {
+ /** @type {?} */
+ const model = this.modelService.model;
+ for (const node of model.nodes) {
+ for (const connector of node.connectors) {
+ if (connector.id === connectorId) {
+ return connector;
+ }
+ }
+ }
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ getHtmlElement(connectorId) {
+ return this.modelService.connectorsHtmlElements[connectorId];
+ }
+ /**
+ * @param {?} connectorId
+ * @param {?} element
+ * @return {?}
+ */
+ setHtmlElement(connectorId, element) {
+ this.modelService.connectorsHtmlElements[connectorId] = element;
+ this.modelService.detectChanges();
+ }
+ /**
+ * @private
+ * @param {?} connectorId
+ * @param {?=} centered
+ * @return {?}
+ */
+ _getCoords(connectorId, centered) {
+ /** @type {?} */
+ const element = this.getHtmlElement(connectorId);
+ /** @type {?} */
+ const canvas = this.modelService.canvasHtmlElement;
+ if (element === null || element === undefined || canvas === null) {
+ return { x: 0, y: 0 };
+ }
+ /** @type {?} */
+ const connectorElementBox = element.getBoundingClientRect();
+ /** @type {?} */
+ const canvasElementBox = canvas.getBoundingClientRect();
+ /** @type {?} */
+ let coords = {
+ x: connectorElementBox.left - canvasElementBox.left,
+ y: connectorElementBox.top - canvasElementBox.top
+ };
+ if (centered) {
+ coords = {
+ x: Math.round(coords.x + element.offsetWidth / 2),
+ y: Math.round(coords.y + element.offsetHeight / 2)
+ };
+ }
+ return coords;
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ getCoords(connectorId) {
+ return this._getCoords(connectorId, false);
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ getCenteredCoord(connectorId) {
+ return this._getCoords(connectorId, true);
+ }
+}
+class NodesModel extends AbstractFcModel {
+ /**
+ * @param {?} modelService
+ */
+ constructor(modelService) {
+ super(modelService);
+ }
+ /**
+ * @param {?} node
+ * @param {?} type
+ * @return {?}
+ */
+ getConnectorsByType(node, type) {
+ return node.connectors.filter((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ return connector.type === type;
+ }));
+ }
+ /**
+ * @private
+ * @param {?} node
+ * @param {?} connector
+ * @return {?}
+ */
+ _addConnector(node, connector) {
+ node.connectors.push(connector);
+ try {
+ this.modelService.modelValidation.validateNode(node);
+ }
+ catch (error) {
+ node.connectors.splice(node.connectors.indexOf(connector), 1);
+ throw error;
+ }
+ }
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ delete(node) {
+ if (this.isSelected(node)) {
+ this.deselect(node);
+ }
+ /** @type {?} */
+ const model = this.modelService.model;
+ /** @type {?} */
+ const index = model.nodes.indexOf(node);
+ if (index === -1) {
+ if (node === undefined) {
+ throw new Error('Passed undefined');
+ }
+ throw new Error('Tried to delete not existing node');
+ }
+ /** @type {?} */
+ const connectorIds = this.getConnectorIds(node);
+ for (let i = 0; i < model.edges.length; i++) {
+ /** @type {?} */
+ const edge = model.edges[i];
+ if (connectorIds.indexOf(edge.source) !== -1 || connectorIds.indexOf(edge.destination) !== -1) {
+ this.modelService.edges.delete(edge);
+ i--;
+ }
+ }
+ model.nodes.splice(index, 1);
+ this.modelService.nodeRemovedCallback(node);
+ }
+ /**
+ * @return {?}
+ */
+ getSelectedNodes() {
+ /** @type {?} */
+ const model = this.modelService.model;
+ return model.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ return this.modelService.nodes.isSelected(node);
+ }));
+ }
+ /**
+ * @param {?} node
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ handleClicked(node, ctrlKey) {
+ if (ctrlKey) {
+ this.modelService.nodes.toggleSelected(node);
+ }
+ else {
+ this.modelService.deselectAll();
+ this.modelService.nodes.select(node);
+ }
+ }
+ /**
+ * @private
+ * @param {?} node
+ * @return {?}
+ */
+ _addNode(node) {
+ /** @type {?} */
+ const model = this.modelService.model;
+ try {
+ model.nodes.push(node);
+ this.modelService.modelValidation.validateNodes(model.nodes);
+ }
+ catch (error) {
+ model.nodes.splice(model.nodes.indexOf(node), 1);
+ throw error;
+ }
+ }
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ getConnectorIds(node) {
+ return node.connectors.map((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ return connector.id;
+ }));
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ getNodeByConnectorId(connectorId) {
+ /** @type {?} */
+ const model = this.modelService.model;
+ for (const node of model.nodes) {
+ /** @type {?} */
+ const connectorIds = this.getConnectorIds(node);
+ if (connectorIds.indexOf(connectorId) > -1) {
+ return node;
+ }
+ }
+ return null;
+ }
+ /**
+ * @param {?} nodeId
+ * @return {?}
+ */
+ getHtmlElement(nodeId) {
+ return this.modelService.nodesHtmlElements[nodeId];
+ }
+ /**
+ * @param {?} nodeId
+ * @param {?} element
+ * @return {?}
+ */
+ setHtmlElement(nodeId, element) {
+ this.modelService.nodesHtmlElements[nodeId] = element;
+ this.modelService.detectChanges();
+ }
+}
+class EdgesModel extends AbstractFcModel {
+ /**
+ * @param {?} modelService
+ */
+ constructor(modelService) {
+ super(modelService);
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ ready(edge) {
+ /** @type {?} */
+ const source = this.modelService.connectors.getHtmlElement(edge.source);
+ /** @type {?} */
+ const destination = this.modelService.connectors.getHtmlElement(edge.destination);
+ return source !== undefined && destination !== undefined;
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ sourceCoord(edge) {
+ return this.modelService.connectors.getCenteredCoord(edge.source);
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ destCoord(edge) {
+ return this.modelService.connectors.getCenteredCoord(edge.destination);
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ delete(edge) {
+ /** @type {?} */
+ const model = this.modelService.model;
+ /** @type {?} */
+ const index = model.edges.indexOf(edge);
+ if (index === -1) {
+ throw new Error('Tried to delete not existing edge');
+ }
+ if (this.isSelected(edge)) {
+ this.deselect(edge);
+ }
+ model.edges.splice(index, 1);
+ this.modelService.edgeRemovedCallback(edge);
+ }
+ /**
+ * @return {?}
+ */
+ getSelectedEdges() {
+ /** @type {?} */
+ const model = this.modelService.model;
+ return model.edges.filter((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ (edge) => {
+ return this.modelService.edges.isSelected(edge);
+ }));
+ }
+ /**
+ * @param {?} edge
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ handleEdgeMouseClick(edge, ctrlKey) {
+ if (ctrlKey) {
+ this.modelService.edges.toggleSelected(edge);
+ }
+ else {
+ this.modelService.deselectAll();
+ this.modelService.edges.select(edge);
+ }
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ putEdge(edge) {
+ /** @type {?} */
+ const model = this.modelService.model;
+ model.edges.push(edge);
+ }
+ /**
+ * @param {?} event
+ * @param {?} sourceConnector
+ * @param {?} destConnector
+ * @param {?} label
+ * @return {?}
+ */
+ _addEdge(event, sourceConnector, destConnector, label) {
+ this.modelService.modelValidation.validateConnector(sourceConnector);
+ this.modelService.modelValidation.validateConnector(destConnector);
+ /** @type {?} */
+ const edge = {};
+ edge.source = sourceConnector.id;
+ edge.destination = destConnector.id;
+ edge.label = label;
+ /** @type {?} */
+ const model = this.modelService.model;
+ this.modelService.modelValidation.validateEdges(model.edges.concat([edge]), model.nodes);
+ this.modelService.createEdge(event, edge).subscribe((/**
+ * @param {?} created
+ * @return {?}
+ */
+ (created) => {
+ model.edges.push(created);
+ this.modelService.edgeAddedCallback(created);
+ }));
+ }
+}
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{ FcModelValidationService } from './modelvalidation.service';\nimport { FcConnector, FcCoords, FcEdge, FcItemInfo, FcModel, FcNode, FcRectBox } from './ngx-flowchart.models';\nimport { Observable, of } from 'rxjs';\nimport { ChangeDetectorRef } from '@angular/core';\n\nexport class FcModelService {\n\n  modelValidation: FcModelValidationService;\n  model: FcModel;\n  cd: ChangeDetectorRef;\n  selectedObjects: any[];\n\n  connectorsHtmlElements: HtmlElementMap = {};\n  nodesHtmlElements: HtmlElementMap = {};\n  canvasHtmlElement: HTMLElement = null;\n  dragImage: HTMLImageElement = null;\n  svgHtmlElement: SVGElement = null;\n\n  dropNode: (event: Event, node: FcNode) => void;\n  createEdge: (event: Event, edge: FcEdge) => Observable<FcEdge>;\n  edgeAddedCallback: (edge: FcEdge) => void;\n  nodeRemovedCallback: (node: FcNode) => void;\n  edgeRemovedCallback: (edge: FcEdge) => void;\n\n  dropTargetId: string;\n\n  connectors: ConnectorsModel;\n  nodes: NodesModel;\n  edges: EdgesModel;\n\n  constructor(modelValidation: FcModelValidationService,\n              model: FcModel,\n              cd: ChangeDetectorRef,\n              selectedObjects: any[],\n              dropNode: (event: Event, node: FcNode) => void,\n              createEdge: (event: Event, edge: FcEdge) => Observable<FcEdge>,\n              edgeAddedCallback: (edge: FcEdge) => void,\n              nodeRemovedCallback: (node: FcNode) => void,\n              edgeRemovedCallback: (edge: FcEdge) => void,\n              canvasHtmlElement: HTMLElement,\n              svgHtmlElement: SVGElement) {\n\n    this.modelValidation = modelValidation;\n    this.model = model;\n    this.cd = cd;\n    this.canvasHtmlElement = canvasHtmlElement;\n    this.svgHtmlElement = svgHtmlElement;\n    this.modelValidation.validateModel(this.model);\n    this.selectedObjects = selectedObjects;\n\n    this.dropNode = dropNode || (() => {});\n    this.createEdge = createEdge || (() => of({label: 'label'}));\n    this.edgeAddedCallback = edgeAddedCallback || (() => {});\n    this.nodeRemovedCallback = nodeRemovedCallback || (() => {});\n    this.edgeRemovedCallback = edgeRemovedCallback || (() => {});\n\n    this.connectors = new ConnectorsModel(this);\n    this.nodes = new NodesModel(this);\n    this.edges = new EdgesModel(this);\n  }\n\n  public detectChanges() {\n    setTimeout(() => {\n      this.cd.detectChanges();\n    }, 0);\n  }\n\n  public selectObject(object: any) {\n    if (this.isEditable()) {\n      if (this.selectedObjects.indexOf(object) === -1) {\n        this.selectedObjects.push(object);\n      }\n    }\n  }\n\n  public deselectObject(object: any) {\n    if (this.isEditable()) {\n      const index = this.selectedObjects.indexOf(object);\n      if (index === -1) {\n        throw new Error('Tried to deselect an unselected object');\n      }\n      this.selectedObjects.splice(index, 1);\n    }\n  }\n\n  public toggleSelectedObject(object: any) {\n    if (this.isSelectedObject(object)) {\n      this.deselectObject(object);\n    } else {\n      this.selectObject(object);\n    }\n  }\n\n  public isSelectedObject(object: any): boolean {\n    return this.selectedObjects.indexOf(object) !== -1;\n  }\n\n  public selectAll() {\n    this.model.nodes.forEach(node => {\n      if (!node.readonly) {\n        this.nodes.select(node);\n      }\n    });\n    this.model.edges.forEach(edge => {\n      this.edges.select(edge);\n    });\n    this.detectChanges();\n  }\n\n  public deselectAll() {\n    this.selectedObjects.splice(0, this.selectedObjects.length);\n    this.detectChanges();\n  }\n\n  public isEditObject(object: any): boolean {\n    return this.selectedObjects.length === 1 &&\n      this.selectedObjects.indexOf(object) !== -1;\n  }\n\n  private inRectBox(x: number, y: number, rectBox: FcRectBox): boolean {\n    return x >= rectBox.left && x <= rectBox.right &&\n      y >= rectBox.top && y <= rectBox.bottom;\n  }\n\n  public getItemInfoAtPoint(x: number, y: number): FcItemInfo {\n    return {\n      node: this.getNodeAtPoint(x, y),\n      edge: this.getEdgeAtPoint(x, y)\n    };\n  }\n\n  public getNodeAtPoint(x: number, y: number): FcNode {\n    for (const node of this.model.nodes) {\n      const element = this.nodes.getHtmlElement(node.id);\n      const nodeElementBox = element.getBoundingClientRect();\n      if (x >= nodeElementBox.left && x <= nodeElementBox.right\n        && y >= nodeElementBox.top && y <= nodeElementBox.bottom) {\n        return node;\n      }\n    }\n    return null;\n  }\n\n  public getEdgeAtPoint(x: number, y: number): FcEdge {\n    const element = document.elementFromPoint(x, y);\n    const id = element.id;\n    let edgeIndex = -1;\n    if (id) {\n      if (id.startsWith('fc-edge-path-')) {\n        edgeIndex = Number(id.substring('fc-edge-path-'.length));\n      } else if (id.startsWith('fc-edge-label-')) {\n        edgeIndex = Number(id.substring('fc-edge-label-'.length));\n      }\n    }\n    if (edgeIndex > -1) {\n      return this.model.edges[edgeIndex];\n    }\n    return null;\n  }\n\n  public selectAllInRect(rectBox: FcRectBox) {\n    this.model.nodes.forEach((value) => {\n      const element = this.nodes.getHtmlElement(value.id);\n      const nodeElementBox = element.getBoundingClientRect();\n      if (!value.readonly) {\n        const x = nodeElementBox.left + nodeElementBox.width / 2;\n        const y = nodeElementBox.top + nodeElementBox.height / 2;\n        if (this.inRectBox(x, y, rectBox)) {\n          this.nodes.select(value);\n        } else {\n          if (this.nodes.isSelected(value)) {\n            this.nodes.deselect(value);\n          }\n        }\n      }\n    });\n    const canvasElementBox = this.canvasHtmlElement.getBoundingClientRect();\n    this.model.edges.forEach((value) => {\n      const start = this.edges.sourceCoord(value);\n      const end = this.edges.destCoord(value);\n      const x = (start.x + end.x) / 2 + canvasElementBox.left;\n      const y = (start.y + end.y) / 2 + canvasElementBox.top;\n      if (this.inRectBox(x, y, rectBox)) {\n        this.edges.select(value);\n      } else {\n        if (this.edges.isSelected(value)) {\n          this.edges.deselect(value);\n        }\n      }\n    });\n  }\n\n  public deleteSelected() {\n    const edgesToDelete = this.edges.getSelectedEdges();\n    edgesToDelete.forEach((edge) => {\n      this.edges.delete(edge);\n    });\n    const nodesToDelete = this.nodes.getSelectedNodes();\n    nodesToDelete.forEach((node) => {\n      this.nodes.delete(node);\n    });\n  }\n\n  public isEditable(): boolean {\n    return this.dropTargetId === undefined;\n  }\n\n  public isDropSource(): boolean {\n    return this.dropTargetId !== undefined;\n  }\n\n  public getDragImage(): HTMLImageElement {\n    if (!this.dragImage) {\n      this.dragImage = new Image();\n      this.dragImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';\n      this.dragImage.style.visibility = 'hidden';\n    }\n    return this.dragImage;\n  }\n\n  public registerCallbacks(edgeAddedCallback: (edge: FcEdge) => void,\n                           nodeRemovedCallback: (node: FcNode) => void,\n                           edgeRemovedCallback: (edge: FcEdge) => void) {\n    this.edgeAddedCallback = edgeAddedCallback;\n    this.nodeRemovedCallback = nodeRemovedCallback;\n    this.edgeRemovedCallback = edgeRemovedCallback;\n  }\n\n}\n\ninterface HtmlElementMap { [id: string]: HTMLElement; }\n\nabstract class AbstractFcModel<T> {\n\n  modelService: FcModelService;\n\n  protected constructor(modelService: FcModelService) {\n    this.modelService = modelService;\n  }\n\n  public select(object: T) {\n    this.modelService.selectObject(object);\n  }\n\n  public deselect(object: T) {\n    this.modelService.deselectObject(object);\n  }\n\n  public toggleSelected(object: T) {\n    this.modelService.toggleSelectedObject(object);\n  }\n\n  public isSelected(object: T): boolean {\n    return this.modelService.isSelectedObject(object);\n  }\n\n  public isEdit(object: T): boolean {\n    return this.modelService.isEditObject(object);\n  }\n}\n\nclass ConnectorsModel extends AbstractFcModel<FcConnector> {\n\n  constructor(modelService: FcModelService) {\n    super(modelService);\n  }\n\n  public getConnector(connectorId: string): FcConnector {\n    const model = this.modelService.model;\n    for (const node of model.nodes) {\n      for (const connector of node.connectors) {\n        if (connector.id === connectorId) {\n          return connector;\n        }\n      }\n    }\n  }\n\n  public getHtmlElement(connectorId: string): HTMLElement {\n    return this.modelService.connectorsHtmlElements[connectorId];\n  }\n\n  public setHtmlElement(connectorId: string, element: HTMLElement) {\n    this.modelService.connectorsHtmlElements[connectorId] = element;\n    this.modelService.detectChanges();\n  }\n\n  private _getCoords(connectorId: string, centered?: boolean): FcCoords {\n    const element = this.getHtmlElement(connectorId);\n    const canvas = this.modelService.canvasHtmlElement;\n    if (element === null || element === undefined || canvas === null) {\n      return {x: 0, y: 0};\n    }\n    const connectorElementBox = element.getBoundingClientRect();\n    const canvasElementBox = canvas.getBoundingClientRect();\n    let coords: FcCoords = {\n      x: connectorElementBox.left - canvasElementBox.left,\n      y: connectorElementBox.top - canvasElementBox.top\n    };\n    if (centered) {\n      coords = {\n        x: Math.round(coords.x + element.offsetWidth / 2),\n        y: Math.round(coords.y + element.offsetHeight / 2)\n      };\n    }\n    return coords;\n  }\n\n  public getCoords(connectorId: string): FcCoords {\n    return this._getCoords(connectorId, false);\n  }\n\n  public getCenteredCoord(connectorId: string): FcCoords {\n    return this._getCoords(connectorId, true);\n  }\n}\n\nclass NodesModel extends AbstractFcModel<FcNode> {\n\n  constructor(modelService: FcModelService) {\n    super(modelService);\n  }\n\n  public getConnectorsByType(node: FcNode, type: string): Array<FcConnector> {\n    return node.connectors.filter((connector) => {\n      return connector.type === type;\n    });\n  }\n\n  private _addConnector(node: FcNode, connector: FcConnector) {\n    node.connectors.push(connector);\n    try {\n      this.modelService.modelValidation.validateNode(node);\n    } catch (error) {\n      node.connectors.splice(node.connectors.indexOf(connector), 1);\n      throw error;\n    }\n  }\n\n  public delete(node: FcNode) {\n    if (this.isSelected(node)) {\n      this.deselect(node);\n    }\n    const model = this.modelService.model;\n    const index = model.nodes.indexOf(node);\n    if (index === -1) {\n      if (node === undefined) {\n        throw new Error('Passed undefined');\n      }\n      throw new Error('Tried to delete not existing node');\n    }\n    const connectorIds = this.getConnectorIds(node);\n    for (let i = 0; i < model.edges.length; i++) {\n      const edge = model.edges[i];\n      if (connectorIds.indexOf(edge.source) !== -1 || connectorIds.indexOf(edge.destination) !== -1) {\n        this.modelService.edges.delete(edge);\n        i--;\n      }\n    }\n    model.nodes.splice(index, 1);\n    this.modelService.nodeRemovedCallback(node);\n  }\n\n  public getSelectedNodes(): Array<FcNode> {\n    const model = this.modelService.model;\n    return model.nodes.filter((node) => {\n      return this.modelService.nodes.isSelected(node);\n    });\n  }\n\n  public handleClicked(node: FcNode, ctrlKey?: boolean) {\n    if (ctrlKey) {\n      this.modelService.nodes.toggleSelected(node);\n    } else {\n      this.modelService.deselectAll();\n      this.modelService.nodes.select(node);\n    }\n  }\n\n  private _addNode(node: FcNode) {\n    const model = this.modelService.model;\n    try {\n      model.nodes.push(node);\n      this.modelService.modelValidation.validateNodes(model.nodes);\n    } catch (error) {\n      model.nodes.splice(model.nodes.indexOf(node), 1);\n      throw error;\n    }\n  }\n\n  public getConnectorIds(node: FcNode): Array<string> {\n    return node.connectors.map((connector) => {\n      return connector.id;\n    });\n  }\n\n  public getNodeByConnectorId(connectorId: string): FcNode {\n    const model = this.modelService.model;\n    for (const node of model.nodes) {\n      const connectorIds = this.getConnectorIds(node);\n      if (connectorIds.indexOf(connectorId) > -1) {\n        return node;\n      }\n    }\n    return null;\n  }\n\n  public getHtmlElement(nodeId: string): HTMLElement {\n    return this.modelService.nodesHtmlElements[nodeId];\n  }\n\n  public setHtmlElement(nodeId: string, element: HTMLElement) {\n    this.modelService.nodesHtmlElements[nodeId] = element;\n    this.modelService.detectChanges();\n  }\n\n}\n\nclass EdgesModel extends AbstractFcModel<FcEdge> {\n\n  constructor(modelService: FcModelService) {\n    super(modelService);\n  }\n\n  public ready(edge: FcEdge): boolean {\n    const source = this.modelService.connectors.getHtmlElement(edge.source);\n    const destination = this.modelService.connectors.getHtmlElement(edge.destination);\n    return source !== undefined && destination !== undefined;\n  }\n\n  public sourceCoord(edge: FcEdge): FcCoords {\n    return this.modelService.connectors.getCenteredCoord(edge.source);\n  }\n\n  public destCoord(edge: FcEdge): FcCoords {\n    return this.modelService.connectors.getCenteredCoord(edge.destination);\n  }\n\n  public delete(edge: FcEdge) {\n    const model = this.modelService.model;\n    const index = model.edges.indexOf(edge);\n    if (index === -1) {\n      throw new Error('Tried to delete not existing edge');\n    }\n    if (this.isSelected(edge)) {\n      this.deselect(edge);\n    }\n    model.edges.splice(index, 1);\n    this.modelService.edgeRemovedCallback(edge);\n  }\n\n  public getSelectedEdges(): Array<FcEdge> {\n    const model = this.modelService.model;\n    return model.edges.filter((edge) => {\n      return this.modelService.edges.isSelected(edge);\n    });\n  }\n\n  public handleEdgeMouseClick(edge: FcEdge, ctrlKey?: boolean) {\n    if (ctrlKey) {\n      this.modelService.edges.toggleSelected(edge);\n    } else {\n      this.modelService.deselectAll();\n      this.modelService.edges.select(edge);\n    }\n  }\n\n  public putEdge(edge: FcEdge) {\n    const model = this.modelService.model;\n    model.edges.push(edge);\n  }\n\n  public _addEdge(event: Event, sourceConnector: FcConnector, destConnector: FcConnector, label: string) {\n    this.modelService.modelValidation.validateConnector(sourceConnector);\n    this.modelService.modelValidation.validateConnector(destConnector);\n    const edge: FcEdge = {};\n    edge.source = sourceConnector.id;\n    edge.destination = destConnector.id;\n    edge.label = label;\n    const model = this.modelService.model;\n    this.modelService.modelValidation.validateEdges(model.edges.concat([edge]), model.nodes);\n    this.modelService.createEdge(event, edge).subscribe(\n      (created) => {\n        model.edges.push(created);\n        this.modelService.edgeAddedCallback(created);\n      }\n    );\n  }\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/modelvalidation.service.js b/dist/ngx-flowchart/esm2015/lib/modelvalidation.service.js
new file mode 100644
index 0000000..04dc1ad
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/modelvalidation.service.js
@@ -0,0 +1,208 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { Injectable } from '@angular/core';
+import { fcTopSort, ModelvalidationError } from './ngx-flowchart.models';
+export class FcModelValidationService {
+ constructor() { }
+ /**
+ * @param {?} model
+ * @return {?}
+ */
+ validateModel(model) {
+ this.validateNodes(model.nodes);
+ this._validateEdges(model.edges, model.nodes);
+ return model;
+ }
+ /**
+ * @param {?} nodes
+ * @return {?}
+ */
+ validateNodes(nodes) {
+ /** @type {?} */
+ const ids = [];
+ nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ this.validateNode(node);
+ if (ids.indexOf(node.id) !== -1) {
+ throw new ModelvalidationError('Id not unique.');
+ }
+ ids.push(node.id);
+ }));
+ /** @type {?} */
+ const connectorIds = [];
+ nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ node.connectors.forEach((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ if (connectorIds.indexOf(connector.id) !== -1) {
+ throw new ModelvalidationError('Id not unique.');
+ }
+ connectorIds.push(connector.id);
+ }));
+ }));
+ return nodes;
+ }
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ validateNode(node) {
+ if (node.id === undefined) {
+ throw new ModelvalidationError('Id not valid.');
+ }
+ if (typeof node.name !== 'string') {
+ throw new ModelvalidationError('Name not valid.');
+ }
+ if (typeof node.x !== 'number' || node.x < 0 || Math.round(node.x) !== node.x) {
+ throw new ModelvalidationError('Coordinates not valid.');
+ }
+ if (typeof node.y !== 'number' || node.y < 0 || Math.round(node.y) !== node.y) {
+ throw new ModelvalidationError('Coordinates not valid.');
+ }
+ if (!Array.isArray(node.connectors)) {
+ throw new ModelvalidationError('Connectors not valid.');
+ }
+ node.connectors.forEach((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ this.validateConnector(connector);
+ }));
+ return node;
+ }
+ /**
+ * @private
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ _validateEdges(edges, nodes) {
+ edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ (edge) => {
+ this._validateEdge(edge, nodes);
+ }));
+ edges.forEach((/**
+ * @param {?} edge1
+ * @param {?} index1
+ * @return {?}
+ */
+ (edge1, index1) => {
+ edges.forEach((/**
+ * @param {?} edge2
+ * @param {?} index2
+ * @return {?}
+ */
+ (edge2, index2) => {
+ if (index1 !== index2) {
+ if ((edge1.source === edge2.source && edge1.destination === edge2.destination) ||
+ (edge1.source === edge2.destination && edge1.destination === edge2.source)) {
+ throw new ModelvalidationError('Duplicated edge.');
+ }
+ }
+ }));
+ }));
+ if (fcTopSort({ nodes, edges }) === null) {
+ throw new ModelvalidationError('Graph has a circle.');
+ }
+ return edges;
+ }
+ /**
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ validateEdges(edges, nodes) {
+ this.validateNodes(nodes);
+ return this._validateEdges(edges, nodes);
+ }
+ /**
+ * @private
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ _validateEdge(edge, nodes) {
+ if (edge.source === undefined) {
+ throw new ModelvalidationError('Source not valid.');
+ }
+ if (edge.destination === undefined) {
+ throw new ModelvalidationError('Destination not valid.');
+ }
+ if (edge.source === edge.destination) {
+ throw new ModelvalidationError('Edge with same source and destination connectors.');
+ }
+ /** @type {?} */
+ const sourceNode = nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => connector.id === edge.source))))[0];
+ if (sourceNode === undefined) {
+ throw new ModelvalidationError('Source not valid.');
+ }
+ /** @type {?} */
+ const destinationNode = nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => connector.id === edge.destination))))[0];
+ if (destinationNode === undefined) {
+ throw new ModelvalidationError('Destination not valid.');
+ }
+ if (sourceNode === destinationNode) {
+ throw new ModelvalidationError('Edge with same source and destination nodes.');
+ }
+ return edge;
+ }
+ /**
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ validateEdge(edge, nodes) {
+ this.validateNodes(nodes);
+ return this._validateEdge(edge, nodes);
+ }
+ /**
+ * @param {?} connector
+ * @return {?}
+ */
+ validateConnector(connector) {
+ if (connector.id === undefined) {
+ throw new ModelvalidationError('Id not valid.');
+ }
+ if (connector.type === undefined || connector.type === null || typeof connector.type !== 'string') {
+ throw new ModelvalidationError('Type not valid.');
+ }
+ return connector;
+ }
+}
+FcModelValidationService.decorators = [
+ { type: Injectable }
+];
+/** @nocollapse */
+FcModelValidationService.ctorParameters = () => [];
+//# 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{ Injectable } from '@angular/core';\nimport { FcConnector, FcEdge, FcModel, FcNode, fcTopSort, ModelvalidationError } from './ngx-flowchart.models';\n\n@Injectable()\nexport class FcModelValidationService {\n\n  constructor() { }\n\n  public validateModel(model: FcModel): FcModel {\n    this.validateNodes(model.nodes);\n    this._validateEdges(model.edges, model.nodes);\n    return model;\n  }\n\n  public validateNodes(nodes: Array<FcNode>): Array<FcNode> {\n    const ids: string[] = [];\n    nodes.forEach((node) => {\n      this.validateNode(node);\n      if (ids.indexOf(node.id) !== -1) {\n        throw new ModelvalidationError('Id not unique.');\n      }\n      ids.push(node.id);\n    });\n    const connectorIds: string[] = [];\n    nodes.forEach((node) => {\n      node.connectors.forEach((connector) => {\n        if (connectorIds.indexOf(connector.id) !== -1) {\n          throw new ModelvalidationError('Id not unique.');\n        }\n        connectorIds.push(connector.id);\n      });\n    });\n    return nodes;\n  }\n\n  public validateNode(node: FcNode): FcNode {\n    if (node.id === undefined) {\n      throw new ModelvalidationError('Id not valid.');\n    }\n    if (typeof node.name !== 'string') {\n      throw new ModelvalidationError('Name not valid.');\n    }\n    if (typeof node.x !== 'number' || node.x < 0 || Math.round(node.x) !== node.x) {\n      throw new ModelvalidationError('Coordinates not valid.');\n    }\n    if (typeof node.y !== 'number' || node.y < 0 || Math.round(node.y) !== node.y) {\n      throw new ModelvalidationError('Coordinates not valid.');\n    }\n    if (!Array.isArray(node.connectors)) {\n      throw new ModelvalidationError('Connectors not valid.');\n    }\n    node.connectors.forEach((connector) => {\n      this.validateConnector(connector);\n    });\n    return node;\n  }\n\n  private _validateEdges(edges: Array<FcEdge>, nodes: Array<FcNode>): Array<FcEdge> {\n    edges.forEach((edge) => {\n      this._validateEdge(edge, nodes);\n    });\n    edges.forEach((edge1, index1) => {\n      edges.forEach((edge2, index2) => {\n        if (index1 !== index2) {\n          if ((edge1.source === edge2.source && edge1.destination === edge2.destination) ||\n            (edge1.source === edge2.destination && edge1.destination === edge2.source)) {\n            throw new ModelvalidationError('Duplicated edge.');\n          }\n        }\n      });\n    });\n    if (fcTopSort({nodes, edges}) === null) {\n      throw new ModelvalidationError('Graph has a circle.');\n    }\n    return edges;\n  }\n\n  public validateEdges(edges: Array<FcEdge>, nodes: Array<FcNode>): Array<FcEdge> {\n    this.validateNodes(nodes);\n    return this._validateEdges(edges, nodes);\n  }\n\n  private _validateEdge(edge: FcEdge, nodes: Array<FcNode>): FcEdge {\n    if (edge.source === undefined) {\n      throw new ModelvalidationError('Source not valid.');\n    }\n    if (edge.destination === undefined) {\n      throw new ModelvalidationError('Destination not valid.');\n    }\n    if (edge.source === edge.destination) {\n      throw new ModelvalidationError('Edge with same source and destination connectors.');\n    }\n    const sourceNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.source))[0];\n    if (sourceNode === undefined) {\n      throw new ModelvalidationError('Source not valid.');\n    }\n    const destinationNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.destination))[0];\n    if (destinationNode === undefined) {\n      throw new ModelvalidationError('Destination not valid.');\n    }\n    if (sourceNode === destinationNode) {\n      throw new ModelvalidationError('Edge with same source and destination nodes.');\n    }\n    return edge;\n  }\n\n  public validateEdge(edge: FcEdge, nodes: Array<FcNode>): FcEdge {\n    this.validateNodes(nodes);\n    return this._validateEdge(edge, nodes);\n  }\n\n  public validateConnector(connector: FcConnector): FcConnector {\n    if (connector.id === undefined) {\n      throw new ModelvalidationError('Id not valid.');\n    }\n    if (connector.type === undefined || connector.type === null || typeof connector.type !== 'string') {\n      throw new ModelvalidationError('Type not valid.');\n    }\n    return connector;\n  }\n\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/mouseover.service.js b/dist/ngx-flowchart/esm2015/lib/mouseover.service.js
new file mode 100644
index 0000000..18bc59c
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/mouseover.service.js
@@ -0,0 +1,107 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+export class FcMouseOverService {
+ /**
+ * @param {?} applyFunction
+ */
+ constructor(applyFunction) {
+ this.mouseoverscope = {
+ connector: null,
+ edge: null,
+ node: null
+ };
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ nodeMouseOver(event, node) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.mouseoverscope.node = node;
+ }));
+ }
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ nodeMouseOut(event, node) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.mouseoverscope.node = null;
+ }));
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ connectorMouseEnter(event, connector) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.mouseoverscope.connector = connector;
+ }));
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ connectorMouseLeave(event, connector) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.mouseoverscope.connector = null;
+ }));
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseEnter(event, edge) {
+ this.mouseoverscope.edge = edge;
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseLeave(event, edge) {
+ this.mouseoverscope.edge = null;
+ }
+}
+if (false) {
+ /** @type {?} */
+ FcMouseOverService.prototype.mouseoverscope;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcMouseOverService.prototype.applyFunction;
+}
+/**
+ * @record
+ */
+export function MouseOverScope() { }
+if (false) {
+ /** @type {?} */
+ MouseOverScope.prototype.connector;
+ /** @type {?} */
+ MouseOverScope.prototype.edge;
+ /** @type {?} */
+ MouseOverScope.prototype.node;
+}
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.component.js b/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.component.js
index 1daf45b..5536c42 100644
--- a/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.component.js
+++ b/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.component.js
@@ -2,25 +2,436 @@
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
-import { Component } from '@angular/core';
+import { ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, HostBinding, HostListener, Input, IterableDiffers, NgZone } from '@angular/core';
+import { FlowchartConstants } from './ngx-flowchart.models';
+import { FcModelService } from './model.service';
+import { FcModelValidationService } from './modelvalidation.service';
+import { FcNodeDraggingService } from './node-dragging.service';
+import { FcEdgeDrawingService } from './edge-drawing.service';
+import { FcEdgeDraggingService } from './edge-dragging.service';
+import { FcMouseOverService } from './mouseover.service';
+import { FcRectangleSelectService } from './rectangleselect.service';
export class NgxFlowchartComponent {
- constructor() { }
+ /**
+ * @param {?} elementRef
+ * @param {?} differs
+ * @param {?} modelValidation
+ * @param {?} edgeDrawingService
+ * @param {?} cd
+ * @param {?} zone
+ */
+ constructor(elementRef, differs, modelValidation, edgeDrawingService, cd, zone) {
+ this.elementRef = elementRef;
+ this.differs = differs;
+ this.modelValidation = modelValidation;
+ this.edgeDrawingService = edgeDrawingService;
+ this.cd = cd;
+ this.zone = zone;
+ this.flowchartConstants = FlowchartConstants;
+ this.nodesDiffer = this.differs.find([]).create((/**
+ * @param {?} index
+ * @param {?} item
+ * @return {?}
+ */
+ (index, item) => {
+ return item;
+ }));
+ this.edgesDiffer = this.differs.find([]).create((/**
+ * @param {?} index
+ * @param {?} item
+ * @return {?}
+ */
+ (index, item) => {
+ return item;
+ }));
+ this.arrowDefId = 'arrow-' + Math.random();
+ this.arrowDefIdSelected = this.arrowDefId + '-selected';
+ }
+ /**
+ * @return {?}
+ */
+ get canvasClass() {
+ return FlowchartConstants.canvasClass;
+ }
/**
* @return {?}
*/
ngOnInit() {
+ if (!this.dropTargetId && this.edgeStyle !== FlowchartConstants.curvedStyle && this.edgeStyle !== FlowchartConstants.lineStyle) {
+ throw new Error('edgeStyle not supported.');
+ }
+ this.nodeHeight = this.nodeHeight || 200;
+ this.nodeWidth = this.nodeWidth || 200;
+ this.dragAnimation = this.dragAnimation || FlowchartConstants.dragAnimationRepaint;
+ this.userCallbacks = this.userCallbacks || {};
+ this.automaticResize = this.automaticResize || false;
+ for (const key of Object.keys(this.userCallbacks)) {
+ /** @type {?} */
+ const callback = this.userCallbacks[key];
+ if (typeof callback !== 'function' && key !== 'nodeCallbacks') {
+ throw new Error('All callbacks should be functions.');
+ }
+ }
+ this.userNodeCallbacks = this.userCallbacks.nodeCallbacks;
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ this.modelService = new FcModelService(this.modelValidation, this.model, this.cd, this.selectedObjects, this.userCallbacks.dropNode, this.userCallbacks.createEdge, this.userCallbacks.edgeAdded, this.userCallbacks.nodeRemoved, this.userCallbacks.edgeRemoved, element[0], element[0].querySelector('svg'));
+ if (this.dropTargetId) {
+ this.modelService.dropTargetId = this.dropTargetId;
+ }
+ /** @type {?} */
+ const applyFunction = this.zone.run.bind(this.zone);
+ this.nodeDraggingService = new FcNodeDraggingService(this.modelService, applyFunction, this.automaticResize, this.dragAnimation);
+ this.edgeDraggingService = new FcEdgeDraggingService(this.modelValidation, this.edgeDrawingService, this.modelService, this.model, this.userCallbacks.isValidEdge || null, applyFunction, this.dragAnimation, this.edgeStyle);
+ this.mouseoverService = new FcMouseOverService(applyFunction);
+ this.rectangleSelectService = new FcRectangleSelectService(this.modelService, element[0].querySelector('#select-rectangle'), applyFunction);
+ this.callbacks = {
+ nodeDragstart: this.nodeDraggingService.dragstart.bind(this.nodeDraggingService),
+ nodeDragend: this.nodeDraggingService.dragend.bind(this.nodeDraggingService),
+ edgeDragstart: this.edgeDraggingService.dragstart.bind(this.edgeDraggingService),
+ edgeDragend: this.edgeDraggingService.dragend.bind(this.edgeDraggingService),
+ edgeDrop: this.edgeDraggingService.drop.bind(this.edgeDraggingService),
+ edgeDragoverConnector: this.edgeDraggingService.dragoverConnector.bind(this.edgeDraggingService),
+ edgeDragoverMagnet: this.edgeDraggingService.dragoverMagnet.bind(this.edgeDraggingService),
+ edgeDragleaveMagnet: this.edgeDraggingService.dragleaveMagnet.bind(this.edgeDraggingService),
+ nodeMouseOver: this.mouseoverService.nodeMouseOver.bind(this.mouseoverService),
+ nodeMouseOut: this.mouseoverService.nodeMouseOut.bind(this.mouseoverService),
+ connectorMouseEnter: this.mouseoverService.connectorMouseEnter.bind(this.mouseoverService),
+ connectorMouseLeave: this.mouseoverService.connectorMouseLeave.bind(this.mouseoverService),
+ nodeClicked: (/**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ (event, node) => {
+ this.modelService.nodes.handleClicked(node, event.ctrlKey);
+ event.stopPropagation();
+ event.preventDefault();
+ })
+ };
+ this.adjustCanvasSize(true);
+ }
+ /**
+ * @return {?}
+ */
+ ngDoCheck() {
+ if (this.model) {
+ /** @type {?} */
+ const nodesChange = this.nodesDiffer.diff(this.model.nodes);
+ /** @type {?} */
+ const edgesChange = this.edgesDiffer.diff(this.model.edges);
+ /** @type {?} */
+ let nodesChanged = false;
+ /** @type {?} */
+ let edgesChanged = false;
+ if (nodesChange !== null) {
+ nodesChange.forEachAddedItem((/**
+ * @return {?}
+ */
+ () => {
+ nodesChanged = true;
+ }));
+ nodesChange.forEachRemovedItem((/**
+ * @return {?}
+ */
+ () => {
+ nodesChanged = true;
+ }));
+ }
+ if (edgesChange !== null) {
+ edgesChange.forEachAddedItem((/**
+ * @return {?}
+ */
+ () => {
+ edgesChanged = true;
+ }));
+ edgesChange.forEachRemovedItem((/**
+ * @return {?}
+ */
+ () => {
+ edgesChanged = true;
+ }));
+ }
+ if (nodesChanged) {
+ this.adjustCanvasSize(true);
+ }
+ if (nodesChanged || edgesChanged) {
+ this.cd.detectChanges();
+ }
+ }
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ getEdgeDAttribute(edge) {
+ return this.edgeDrawingService.getEdgeDAttribute(this.modelService.edges.sourceCoord(edge), this.modelService.edges.destCoord(edge), this.edgeStyle);
+ }
+ /**
+ * @param {?=} fit
+ * @return {?}
+ */
+ adjustCanvasSize(fit) {
+ /** @type {?} */
+ let maxX = 0;
+ /** @type {?} */
+ let maxY = 0;
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ this.model.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ maxX = Math.max(node.x + this.nodeWidth, maxX);
+ maxY = Math.max(node.y + this.nodeHeight, maxY);
+ }));
+ /** @type {?} */
+ let width;
+ /** @type {?} */
+ let height;
+ if (fit) {
+ width = maxX;
+ height = maxY;
+ }
+ else {
+ width = Math.max(maxX, element.prop('offsetWidth'));
+ height = Math.max(maxY, element.prop('offsetHeight'));
+ }
+ element.css('width', width + 'px');
+ element.css('height', height + 'px');
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ canvasClick(event) { }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseDown(event, edge) {
+ event.stopPropagation();
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeClick(event, edge) {
+ this.modelService.edges.handleEdgeMouseClick(edge, event.ctrlKey);
+ event.stopPropagation();
+ event.preventDefault();
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeRemove(event, edge) {
+ this.modelService.edges.delete(edge);
+ event.stopPropagation();
+ event.preventDefault();
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeEdit(event, edge) {
+ if (this.userCallbacks.edgeEdit) {
+ this.userCallbacks.edgeEdit(event, edge);
+ }
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeDoubleClick(event, edge) {
+ if (this.userCallbacks.edgeDoubleClick) {
+ this.userCallbacks.edgeDoubleClick(event, edge);
+ }
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseOver(event, edge) {
+ if (this.userCallbacks.edgeMouseOver) {
+ this.userCallbacks.edgeMouseOver(event, edge);
+ }
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseEnter(event, edge) {
+ this.mouseoverService.edgeMouseEnter(event, edge);
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseLeave(event, edge) {
+ this.mouseoverService.edgeMouseLeave(event, edge);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragover(event) {
+ this.nodeDraggingService.dragover(event);
+ this.edgeDraggingService.dragover(event);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ drop(event) {
+ if (event.preventDefault) {
+ event.preventDefault();
+ }
+ if (event.stopPropagation) {
+ event.stopPropagation();
+ }
+ this.nodeDraggingService.drop(event);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mousedown(event) {
+ this.rectangleSelectService.mousedown(event);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mousemove(event) {
+ this.rectangleSelectService.mousemove(event);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mouseup(event) {
+ this.rectangleSelectService.mouseup(event);
}
}
NgxFlowchartComponent.decorators = [
{ type: Component, args: [{
selector: 'fc-canvas',
- template: `
-
- ngx-flowchart works!
-
- `
+ template: "\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\n \n \n \n
\n
\n {{edgeDraggingService.edgeDragging.dragLabel}} \n
\n
\n
\n
\n
\n \n
\n
\n ×\n
\n
{{edge.label}} \n
\n
\n
\n
\n
\n",
+ changeDetection: ChangeDetectionStrategy.OnPush,
+ styles: [":host{display:block;position:relative;width:100%;height:100%;background-size:25px 25px;background-image:linear-gradient(to right,rgba(0,0,0,.1) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.1) 1px,transparent 1px);background-color:transparent;min-width:100%;min-height:100%;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-canvas-container{display:block;position:relative;width:100%;height:100%}:host .fc-canvas-container svg.fc-canvas-svg{display:block;position:relative;width:100%;height:100%}:host .fc-edge{stroke:gray;stroke-width:4;transition:stroke-width .2s;fill:transparent}:host .fc-edge.fc-hover{stroke:gray;stroke-width:6;fill:transparent}:host .fc-edge.fc-selected{stroke:red;stroke-width:4;fill:transparent}:host .fc-edge.fc-active{-webkit-animation:3s linear infinite dash;animation:3s linear infinite dash;stroke-dasharray:20}:host .fc-edge.fc-dragging{pointer-events:none}:host .fc-arrow-marker polygon{stroke:gray;fill:gray}:host .fc-arrow-marker-selected polygon{stroke:red;fill:red}:host .edge-endpoint{fill:gray}:host .fc-noselect{-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-edge-label{position:absolute;opacity:.8;transition:transform .2s;transform-origin:bottom left;margin:0 auto}:host .fc-edge-label .fc-edge-label-text{position:absolute;transform:translate(-50%,-50%);white-space:nowrap;text-align:center;font-size:16px}:host .fc-edge-label .fc-edge-label-text span{cursor:default;border:solid #ff3d00;border-radius:10px;color:#ff3d00;background-color:#fff;padding:3px 5px}:host .fc-edge-label .fc-nodeedit{top:-30px;right:14px}:host .fc-edge-label .fc-nodedelete{top:-30px;right:-13px}:host .fc-edge-label.fc-hover{transform:scale(1.25)}:host .fc-edge-label.fc-edit .fc-edge-label-text span,:host .fc-edge-label.fc-selected .fc-edge-label-text span{border:solid red;color:#fff;font-weight:600;background-color:red}:host .fc-select-rectangle{border:2px dashed #5262ff;position:absolute;background:rgba(20,125,255,.1);z-index:2}@-webkit-keyframes dash{from{stroke-dashoffset:500}}@keyframes dash{from{stroke-dashoffset:500}}:host ::ng-deep .fc-nodeedit{display:none;font-size:15px}:host ::ng-deep .fc-nodedelete{display:none;font-size:18px}:host ::ng-deep .fc-edit .fc-nodedelete,:host ::ng-deep .fc-edit .fc-nodeedit{display:block;position:absolute;border:2px solid #eee;border-radius:50%;font-weight:600;line-height:20px;height:20px;padding-top:2px;width:22px;background:#494949;color:#fff;text-align:center;vertical-align:bottom;cursor:pointer}:host ::ng-deep .fc-edit .fc-nodeedit{top:-24px;right:16px}:host ::ng-deep .fc-edit .fc-nodedelete{top:-24px;right:-13px}"]
}] }
];
/** @nocollapse */
-NgxFlowchartComponent.ctorParameters = () => [];
-//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
+NgxFlowchartComponent.ctorParameters = () => [
+ { type: ElementRef },
+ { type: IterableDiffers },
+ { type: FcModelValidationService },
+ { type: FcEdgeDrawingService },
+ { type: ChangeDetectorRef },
+ { type: NgZone }
+];
+NgxFlowchartComponent.propDecorators = {
+ canvasClass: [{ type: HostBinding, args: ['attr.class',] }],
+ model: [{ type: Input }],
+ selectedObjects: [{ type: Input }],
+ edgeStyle: [{ type: Input }],
+ userCallbacks: [{ type: Input }],
+ automaticResize: [{ type: Input }],
+ dragAnimation: [{ type: Input }],
+ nodeWidth: [{ type: Input }],
+ nodeHeight: [{ type: Input }],
+ dropTargetId: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ mousedown: [{ type: HostListener, args: ['mousedown', ['$event'],] }],
+ mousemove: [{ type: HostListener, args: ['mousemove', ['$event'],] }],
+ mouseup: [{ type: HostListener, args: ['mouseup', ['$event'],] }]
+};
+if (false) {
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.model;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.selectedObjects;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeStyle;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.userCallbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.automaticResize;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.dragAnimation;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeWidth;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeHeight;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.dropTargetId;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.callbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.modelService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeDraggingService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeDraggingService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.mouseoverService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.rectangleSelectService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.arrowDefId;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.arrowDefIdSelected;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.flowchartConstants;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.nodesDiffer;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.edgesDiffer;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.elementRef;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.differs;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.modelValidation;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeDrawingService;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.cd;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.zone;
+}
+//# 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{\n  ChangeDetectionStrategy, ChangeDetectorRef,\n  Component,\n  DoCheck,\n  ElementRef,\n  HostBinding,\n  HostListener,\n  Input,\n  IterableDiffer,\n  IterableDiffers,\n  NgZone,\n  OnInit\n} from '@angular/core';\nimport { FcCallbacks, FcEdge, FcModel, FcNode, FlowchartConstants, UserCallbacks, UserNodeCallbacks } from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\nimport { FcModelValidationService } from './modelvalidation.service';\nimport { FcNodeDraggingService } from './node-dragging.service';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcEdgeDraggingService } from './edge-dragging.service';\nimport { FcMouseOverService } from './mouseover.service';\nimport { FcRectangleSelectService } from './rectangleselect.service';\n\n@Component({\n  selector: 'fc-canvas',\n  templateUrl: './ngx-flowchart.component.html',\n  styleUrls: ['./ngx-flowchart.component.scss'],\n  changeDetection: ChangeDetectionStrategy.OnPush\n})\nexport class NgxFlowchartComponent implements OnInit, DoCheck {\n\n  @HostBinding('attr.class')\n  get canvasClass(): string {\n    return FlowchartConstants.canvasClass;\n  }\n\n  @Input()\n  model: FcModel;\n\n  @Input()\n  selectedObjects: any[];\n\n  @Input()\n  edgeStyle: string;\n\n  @Input()\n  userCallbacks: UserCallbacks;\n\n  @Input()\n  automaticResize: boolean;\n\n  @Input()\n  dragAnimation: string;\n\n  @Input()\n  nodeWidth: number;\n\n  @Input()\n  nodeHeight: number;\n\n  @Input()\n  dropTargetId: string;\n\n  callbacks: FcCallbacks;\n\n  userNodeCallbacks: UserNodeCallbacks;\n\n  modelService: FcModelService;\n  nodeDraggingService: FcNodeDraggingService;\n  edgeDraggingService: FcEdgeDraggingService;\n  mouseoverService: FcMouseOverService;\n  rectangleSelectService: FcRectangleSelectService;\n\n  arrowDefId: string;\n  arrowDefIdSelected: string;\n\n  flowchartConstants = FlowchartConstants;\n\n  private nodesDiffer: IterableDiffer<FcNode> = this.differs.find([]).create<FcNode>((index, item) => {\n    return item;\n  });\n\n  private edgesDiffer: IterableDiffer<FcEdge> = this.differs.find([]).create<FcEdge>((index, item) => {\n    return item;\n  });\n\n  constructor(private elementRef: ElementRef<HTMLElement>,\n              private differs: IterableDiffers,\n              private modelValidation: FcModelValidationService,\n              public edgeDrawingService: FcEdgeDrawingService,\n              private cd: ChangeDetectorRef,\n              private zone: NgZone) {\n    this.arrowDefId = 'arrow-' + Math.random();\n    this.arrowDefIdSelected = this.arrowDefId + '-selected';\n  }\n\n  ngOnInit() {\n    if (!this.dropTargetId && this.edgeStyle !== FlowchartConstants.curvedStyle && this.edgeStyle !== FlowchartConstants.lineStyle) {\n      throw new Error('edgeStyle not supported.');\n    }\n    this.nodeHeight = this.nodeHeight || 200;\n    this.nodeWidth = this.nodeWidth || 200;\n    this.dragAnimation = this.dragAnimation || FlowchartConstants.dragAnimationRepaint;\n    this.userCallbacks = this.userCallbacks || {};\n    this.automaticResize = this.automaticResize || false;\n\n    for (const key of Object.keys(this.userCallbacks)) {\n      const callback = this.userCallbacks[key];\n      if (typeof callback !== 'function' && key !== 'nodeCallbacks') {\n        throw new Error('All callbacks should be functions.');\n      }\n    }\n\n    this.userNodeCallbacks = this.userCallbacks.nodeCallbacks;\n\n    const element = $(this.elementRef.nativeElement);\n\n    this.modelService = new FcModelService(this.modelValidation, this.model, this.cd, this.selectedObjects,\n      this.userCallbacks.dropNode, this.userCallbacks.createEdge, this.userCallbacks.edgeAdded, this.userCallbacks.nodeRemoved,\n      this.userCallbacks.edgeRemoved, element[0], element[0].querySelector('svg'));\n\n    if (this.dropTargetId) {\n      this.modelService.dropTargetId = this.dropTargetId;\n    }\n\n    const applyFunction = this.zone.run.bind(this.zone);\n\n    this.nodeDraggingService = new FcNodeDraggingService(this.modelService, applyFunction,\n          this.automaticResize, this.dragAnimation);\n\n    this.edgeDraggingService = new FcEdgeDraggingService(this.modelValidation, this.edgeDrawingService, this.modelService,\n      this.model, this.userCallbacks.isValidEdge || null, applyFunction,\n      this.dragAnimation, this.edgeStyle);\n\n    this.mouseoverService = new FcMouseOverService(applyFunction);\n\n    this.rectangleSelectService = new FcRectangleSelectService(this.modelService,\n      element[0].querySelector('#select-rectangle'), applyFunction);\n\n    this.callbacks = {\n      nodeDragstart: this.nodeDraggingService.dragstart.bind(this.nodeDraggingService),\n      nodeDragend: this.nodeDraggingService.dragend.bind(this.nodeDraggingService),\n      edgeDragstart: this.edgeDraggingService.dragstart.bind(this.edgeDraggingService),\n      edgeDragend: this.edgeDraggingService.dragend.bind(this.edgeDraggingService),\n      edgeDrop: this.edgeDraggingService.drop.bind(this.edgeDraggingService),\n      edgeDragoverConnector: this.edgeDraggingService.dragoverConnector.bind(this.edgeDraggingService),\n      edgeDragoverMagnet: this.edgeDraggingService.dragoverMagnet.bind(this.edgeDraggingService),\n      edgeDragleaveMagnet: this.edgeDraggingService.dragleaveMagnet.bind(this.edgeDraggingService),\n      nodeMouseOver: this.mouseoverService.nodeMouseOver.bind(this.mouseoverService),\n      nodeMouseOut: this.mouseoverService.nodeMouseOut.bind(this.mouseoverService),\n      connectorMouseEnter: this.mouseoverService.connectorMouseEnter.bind(this.mouseoverService),\n      connectorMouseLeave: this.mouseoverService.connectorMouseLeave.bind(this.mouseoverService),\n      nodeClicked: (event, node) => {\n        this.modelService.nodes.handleClicked(node, event.ctrlKey);\n        event.stopPropagation();\n        event.preventDefault();\n      }\n    };\n    this.adjustCanvasSize(true);\n  }\n\n  ngDoCheck(): void {\n    if (this.model) {\n      const nodesChange = this.nodesDiffer.diff(this.model.nodes);\n      const edgesChange = this.edgesDiffer.diff(this.model.edges);\n      let nodesChanged = false;\n      let edgesChanged = false;\n      if (nodesChange !== null) {\n        nodesChange.forEachAddedItem(() => {\n          nodesChanged = true;\n        });\n        nodesChange.forEachRemovedItem(() => {\n          nodesChanged = true;\n        });\n      }\n      if (edgesChange !== null) {\n        edgesChange.forEachAddedItem(() => {\n          edgesChanged = true;\n        });\n        edgesChange.forEachRemovedItem(() => {\n          edgesChanged = true;\n        });\n      }\n      if (nodesChanged) {\n        this.adjustCanvasSize(true);\n      }\n      if (nodesChanged || edgesChanged) {\n        this.cd.detectChanges();\n      }\n    }\n  }\n\n  getEdgeDAttribute(edge: FcEdge): string {\n    return this.edgeDrawingService.getEdgeDAttribute(this.modelService.edges.sourceCoord(edge),\n      this.modelService.edges.destCoord(edge), this.edgeStyle);\n  }\n\n  public adjustCanvasSize(fit?: boolean) {\n    let maxX = 0;\n    let maxY = 0;\n    const element = $(this.elementRef.nativeElement);\n    this.model.nodes.forEach((node) => {\n      maxX = Math.max(node.x + this.nodeWidth, maxX);\n      maxY = Math.max(node.y + this.nodeHeight, maxY);\n    });\n    let width;\n    let height;\n    if (fit) {\n      width = maxX;\n      height = maxY;\n    } else {\n      width = Math.max(maxX, element.prop('offsetWidth'));\n      height = Math.max(maxY, element.prop('offsetHeight'));\n    }\n    element.css('width', width + 'px');\n    element.css('height', height + 'px');\n  }\n\n  canvasClick(event: MouseEvent) {}\n\n  edgeMouseDown(event: MouseEvent, edge: FcEdge) {\n    event.stopPropagation();\n  }\n\n  edgeClick(event: MouseEvent, edge: FcEdge) {\n    this.modelService.edges.handleEdgeMouseClick(edge, event.ctrlKey);\n    event.stopPropagation();\n    event.preventDefault();\n  }\n\n  edgeRemove(event: Event, edge: FcEdge) {\n    this.modelService.edges.delete(edge);\n    event.stopPropagation();\n    event.preventDefault();\n  }\n\n  edgeEdit(event: Event, edge: FcEdge) {\n    if (this.userCallbacks.edgeEdit) {\n      this.userCallbacks.edgeEdit(event, edge);\n    }\n  }\n\n  edgeDoubleClick(event: MouseEvent, edge: FcEdge) {\n    if (this.userCallbacks.edgeDoubleClick) {\n      this.userCallbacks.edgeDoubleClick(event, edge);\n    }\n  }\n\n  edgeMouseOver(event: MouseEvent, edge: FcEdge) {\n    if (this.userCallbacks.edgeMouseOver) {\n      this.userCallbacks.edgeMouseOver(event, edge);\n    }\n  }\n\n  edgeMouseEnter(event: MouseEvent, edge: FcEdge) {\n    this.mouseoverService.edgeMouseEnter(event, edge);\n  }\n\n  edgeMouseLeave(event: MouseEvent, edge: FcEdge) {\n    this.mouseoverService.edgeMouseLeave(event, edge);\n  }\n\n  @HostListener('dragover', ['$event'])\n  dragover(event: DragEvent) {\n    this.nodeDraggingService.dragover(event);\n    this.edgeDraggingService.dragover(event);\n  }\n\n  @HostListener('drop', ['$event'])\n  drop(event: DragEvent) {\n    if (event.preventDefault) {\n      event.preventDefault();\n    }\n    if (event.stopPropagation) {\n      event.stopPropagation();\n    }\n    this.nodeDraggingService.drop(event);\n  }\n\n  @HostListener('mousedown', ['$event'])\n  mousedown(event: MouseEvent) {\n    this.rectangleSelectService.mousedown(event);\n  }\n\n  @HostListener('mousemove', ['$event'])\n  mousemove(event: MouseEvent) {\n    this.rectangleSelectService.mousemove(event);\n  }\n\n  @HostListener('mouseup', ['$event'])\n  mouseup(event: MouseEvent) {\n    this.rectangleSelectService.mouseup(event);\n  }\n\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.models.js b/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.models.js
new file mode 100644
index 0000000..5b7c95c
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.models.js
@@ -0,0 +1,319 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { InjectionToken } from '@angular/core';
+/** @type {?} */
+export const FC_NODE_COMPONENT_CONFIG = new InjectionToken('fc-node.component.config');
+/**
+ * @record
+ */
+export function FcNodeComponentConfig() { }
+if (false) {
+ /** @type {?} */
+ FcNodeComponentConfig.prototype.nodeComponentType;
+}
+/** @type {?} */
+const htmlPrefix = 'fc';
+/** @type {?} */
+const leftConnectorType = 'leftConnector';
+/** @type {?} */
+const rightConnectorType = 'rightConnector';
+/** @type {?} */
+export const FlowchartConstants = {
+ htmlPrefix,
+ leftConnectorType,
+ rightConnectorType,
+ curvedStyle: 'curved',
+ lineStyle: 'line',
+ dragAnimationRepaint: 'repaint',
+ dragAnimationShadow: 'shadow',
+ canvasClass: htmlPrefix + '-canvas',
+ selectedClass: htmlPrefix + '-selected',
+ editClass: htmlPrefix + '-edit',
+ activeClass: htmlPrefix + '-active',
+ hoverClass: htmlPrefix + '-hover',
+ draggingClass: htmlPrefix + '-dragging',
+ edgeClass: htmlPrefix + '-edge',
+ edgeLabelClass: htmlPrefix + '-edge-label',
+ connectorClass: htmlPrefix + '-connector',
+ magnetClass: htmlPrefix + '-magnet',
+ nodeClass: htmlPrefix + '-node',
+ nodeOverlayClass: htmlPrefix + '-node-overlay',
+ leftConnectorClass: htmlPrefix + '-' + leftConnectorType + 's',
+ rightConnectorClass: htmlPrefix + '-' + rightConnectorType + 's',
+ canvasResizeThreshold: 200,
+ canvasResizeStep: 200
+};
+/**
+ * @record
+ */
+export function FcCoords() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcCoords.prototype.x;
+ /** @type {?|undefined} */
+ FcCoords.prototype.y;
+}
+/**
+ * @record
+ */
+export function FcOffset() { }
+if (false) {
+ /** @type {?} */
+ FcOffset.prototype.top;
+ /** @type {?} */
+ FcOffset.prototype.left;
+}
+/**
+ * @record
+ */
+export function FcRectBox() { }
+if (false) {
+ /** @type {?} */
+ FcRectBox.prototype.top;
+ /** @type {?} */
+ FcRectBox.prototype.left;
+ /** @type {?} */
+ FcRectBox.prototype.right;
+ /** @type {?} */
+ FcRectBox.prototype.bottom;
+}
+/**
+ * @record
+ */
+export function FcConnector() { }
+if (false) {
+ /** @type {?} */
+ FcConnector.prototype.id;
+ /** @type {?} */
+ FcConnector.prototype.type;
+}
+/**
+ * @record
+ */
+export function FcNode() { }
+if (false) {
+ /** @type {?} */
+ FcNode.prototype.id;
+ /** @type {?} */
+ FcNode.prototype.name;
+ /** @type {?} */
+ FcNode.prototype.connectors;
+ /** @type {?|undefined} */
+ FcNode.prototype.readonly;
+ /* Skipping unhandled member: [key: string]: any;*/
+}
+/**
+ * @record
+ */
+export function FcEdge() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcEdge.prototype.label;
+ /** @type {?|undefined} */
+ FcEdge.prototype.source;
+ /** @type {?|undefined} */
+ FcEdge.prototype.destination;
+ /** @type {?|undefined} */
+ FcEdge.prototype.active;
+}
+/**
+ * @record
+ */
+export function FcItemInfo() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcItemInfo.prototype.node;
+ /** @type {?|undefined} */
+ FcItemInfo.prototype.edge;
+}
+/**
+ * @record
+ */
+export function FcModel() { }
+if (false) {
+ /** @type {?} */
+ FcModel.prototype.nodes;
+ /** @type {?} */
+ FcModel.prototype.edges;
+}
+/**
+ * @record
+ */
+export function UserCallbacks() { }
+if (false) {
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.dropNode;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.createEdge;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeAdded;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.nodeRemoved;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeRemoved;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeDoubleClick;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeMouseOver;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.isValidEdge;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeEdit;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.nodeCallbacks;
+}
+/**
+ * @record
+ */
+export function UserNodeCallbacks() { }
+if (false) {
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.nodeEdit;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.doubleClick;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseDown;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseEnter;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseLeave;
+}
+/**
+ * @record
+ */
+export function FcCallbacks() { }
+if (false) {
+ /** @type {?} */
+ FcCallbacks.prototype.nodeDragstart;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeDragend;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragstart;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragend;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDrop;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragoverConnector;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragoverMagnet;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragleaveMagnet;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeMouseOver;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeMouseOut;
+ /** @type {?} */
+ FcCallbacks.prototype.connectorMouseEnter;
+ /** @type {?} */
+ FcCallbacks.prototype.connectorMouseLeave;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeClicked;
+}
+/**
+ * @record
+ */
+export function FcAdjacentList() { }
+export class ModelvalidationError extends Error {
+ /**
+ * @param {?} message
+ */
+ constructor(message) {
+ super(message);
+ }
+}
+/**
+ * @param {?} graph
+ * @return {?}
+ */
+export function fcTopSort(graph) {
+ /** @type {?} */
+ const adjacentList = {};
+ graph.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ adjacentList[node.id] = { incoming: 0, outgoing: [] };
+ }));
+ graph.edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ (edge) => {
+ /** @type {?} */
+ const sourceNode = graph.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ return connector.id === edge.source;
+ }));
+ }))[0];
+ /** @type {?} */
+ const destinationNode = graph.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ return connector.id === edge.destination;
+ }));
+ }))[0];
+ adjacentList[sourceNode.id].outgoing.push(destinationNode.id);
+ adjacentList[destinationNode.id].incoming++;
+ }));
+ /** @type {?} */
+ const orderedNodes = [];
+ /** @type {?} */
+ const sourceNodes = [];
+ for (const node of Object.keys(adjacentList)) {
+ /** @type {?} */
+ const edges = adjacentList[node];
+ if (edges.incoming === 0) {
+ sourceNodes.push(node);
+ }
+ }
+ while (sourceNodes.length !== 0) {
+ /** @type {?} */
+ const sourceNode = sourceNodes.pop();
+ for (let i = 0; i < adjacentList[sourceNode].outgoing.length; i++) {
+ /** @type {?} */
+ const destinationNode = adjacentList[sourceNode].outgoing[i];
+ adjacentList[destinationNode].incoming--;
+ if (adjacentList[destinationNode].incoming === 0) {
+ sourceNodes.push(destinationNode);
+ }
+ adjacentList[sourceNode].outgoing.splice(i, 1);
+ i--;
+ }
+ orderedNodes.push(sourceNode);
+ }
+ /** @type {?} */
+ let hasEdges = false;
+ for (const node of Object.keys(adjacentList)) {
+ /** @type {?} */
+ const edges = adjacentList[node];
+ if (edges.incoming !== 0) {
+ hasEdges = true;
+ }
+ }
+ if (hasEdges) {
+ return null;
+ }
+ else {
+ return orderedNodes;
+ }
+}
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{ Observable } from 'rxjs';\nimport { InjectionToken, Type } from '@angular/core';\nimport { FcNodeComponent } from './node.component';\n\nexport const FC_NODE_COMPONENT_CONFIG = new InjectionToken<FcNodeComponentConfig>('fc-node.component.config');\n\nexport interface FcNodeComponentConfig {\n  nodeComponentType: Type<FcNodeComponent>;\n}\n\nconst htmlPrefix = 'fc';\nconst leftConnectorType = 'leftConnector';\nconst rightConnectorType = 'rightConnector';\n\nexport const FlowchartConstants = {\n  htmlPrefix,\n  leftConnectorType,\n  rightConnectorType,\n  curvedStyle: 'curved',\n  lineStyle: 'line',\n  dragAnimationRepaint: 'repaint',\n  dragAnimationShadow: 'shadow',\n  canvasClass: htmlPrefix + '-canvas',\n  selectedClass: htmlPrefix + '-selected',\n  editClass: htmlPrefix + '-edit',\n  activeClass: htmlPrefix + '-active',\n  hoverClass: htmlPrefix + '-hover',\n  draggingClass: htmlPrefix + '-dragging',\n  edgeClass: htmlPrefix + '-edge',\n  edgeLabelClass: htmlPrefix + '-edge-label',\n  connectorClass: htmlPrefix + '-connector',\n  magnetClass: htmlPrefix + '-magnet',\n  nodeClass: htmlPrefix + '-node',\n  nodeOverlayClass: htmlPrefix + '-node-overlay',\n  leftConnectorClass: htmlPrefix + '-' + leftConnectorType + 's',\n  rightConnectorClass: htmlPrefix + '-' + rightConnectorType + 's',\n  canvasResizeThreshold: 200,\n  canvasResizeStep: 200\n};\n\n\nexport interface FcCoords {\n  x?: number;\n  y?: number;\n}\n\nexport interface FcOffset {\n  top: number;\n  left: number;\n}\n\nexport interface FcRectBox {\n  top: number;\n  left: number;\n  right: number;\n  bottom: number;\n}\n\nexport interface FcConnector {\n  id: string;\n  type: string;\n}\n\nexport interface FcNode extends FcCoords {\n  id: string;\n  name: string;\n  connectors: Array<FcConnector>;\n  readonly?: boolean;\n  [key: string]: any;\n}\n\nexport interface FcEdge {\n  label?: string;\n  source?: string;\n  destination?: string;\n  active?: boolean;\n}\n\nexport interface FcItemInfo {\n  node?: FcNode;\n  edge?: FcEdge;\n}\n\nexport interface FcModel {\n  nodes: Array<FcNode>;\n  edges: Array<FcEdge>;\n}\n\nexport interface UserCallbacks {\n  dropNode?: (event: Event, node: FcNode) => void;\n  createEdge?: (event: Event, edge: FcEdge) => Observable<FcEdge>;\n  edgeAdded?: (edge: FcEdge) => void;\n  nodeRemoved?: (node: FcNode) => void;\n  edgeRemoved?: (edge: FcEdge) => void;\n  edgeDoubleClick?: (event: MouseEvent, edge: FcEdge) => void;\n  edgeMouseOver?: (event: MouseEvent, edge: FcEdge) => void;\n  isValidEdge?: (source: FcConnector, destination: FcConnector) => boolean;\n  edgeEdit?: (event: Event, edge: FcEdge) => void;\n  nodeCallbacks?: UserNodeCallbacks;\n}\n\nexport interface UserNodeCallbacks {\n  nodeEdit?: (event: MouseEvent, node: FcNode) => void;\n  doubleClick?: (event: MouseEvent, node: FcNode) => void;\n  mouseDown?: (event: MouseEvent, node: FcNode) => void;\n  mouseEnter?: (event: MouseEvent, node: FcNode) => void;\n  mouseLeave?: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcCallbacks {\n  nodeDragstart: (event: DragEvent, node: FcNode) => void;\n  nodeDragend: (event: DragEvent) => void;\n  edgeDragstart: (event: DragEvent, connector: FcConnector) => void;\n  edgeDragend: (event: DragEvent) => void;\n  edgeDrop: (event: DragEvent, targetConnector: FcConnector) => boolean;\n  edgeDragoverConnector: (event: DragEvent, connector: FcConnector) => boolean;\n  edgeDragoverMagnet: (event: DragEvent, connector: FcConnector) => boolean;\n  edgeDragleaveMagnet: (event: DragEvent) => void;\n  nodeMouseOver: (event: MouseEvent, node: FcNode) => void;\n  nodeMouseOut: (event: MouseEvent, node: FcNode) => void;\n  connectorMouseEnter: (event: MouseEvent, connector: FcConnector) => void;\n  connectorMouseLeave: (event: MouseEvent, connector: FcConnector) => void;\n  nodeClicked: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcAdjacentList {\n  [id: string]: {\n    incoming: number;\n    outgoing: Array<string>;\n  };\n}\n\nexport class ModelvalidationError extends Error {\n  constructor(message: string) {\n    super(message);\n  }\n}\n\nexport function fcTopSort(graph: FcModel): Array<string> | null {\n  const adjacentList: FcAdjacentList = {};\n  graph.nodes.forEach((node) => {\n    adjacentList[node.id] = {incoming: 0, outgoing: []};\n  });\n  graph.edges.forEach((edge) => {\n    const sourceNode = graph.nodes.filter((node) => {\n      return node.connectors.some((connector) => {\n        return connector.id === edge.source;\n      });\n    })[0];\n    const destinationNode = graph.nodes.filter((node) => {\n      return node.connectors.some((connector) => {\n        return connector.id === edge.destination;\n      });\n    })[0];\n    adjacentList[sourceNode.id].outgoing.push(destinationNode.id);\n    adjacentList[destinationNode.id].incoming++;\n  });\n  const orderedNodes: string[] = [];\n  const sourceNodes: string[] = [];\n  for (const node of Object.keys(adjacentList)) {\n    const edges = adjacentList[node];\n    if (edges.incoming === 0) {\n      sourceNodes.push(node);\n    }\n  }\n  while (sourceNodes.length !== 0) {\n    const sourceNode = sourceNodes.pop();\n    for (let i = 0; i < adjacentList[sourceNode].outgoing.length; i++) {\n      const destinationNode = adjacentList[sourceNode].outgoing[i];\n      adjacentList[destinationNode].incoming--;\n      if (adjacentList[destinationNode].incoming === 0) {\n        sourceNodes.push(destinationNode);\n      }\n      adjacentList[sourceNode].outgoing.splice(i, 1);\n      i--;\n    }\n    orderedNodes.push(sourceNode);\n  }\n  let hasEdges = false;\n  for (const node of Object.keys(adjacentList)) {\n    const edges = adjacentList[node];\n    if (edges.incoming !== 0) {\n      hasEdges = true;\n    }\n  }\n  if (hasEdges) {\n    return null;\n  } else {\n    return orderedNodes;\n  }\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.module.js b/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.module.js
index 993255a..00ef1f4 100644
--- a/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.module.js
+++ b/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.module.js
@@ -4,13 +4,45 @@
*/
import { NgModule } from '@angular/core';
import { NgxFlowchartComponent } from './ngx-flowchart.component';
+import { FcModelValidationService } from './modelvalidation.service';
+import { FcEdgeDrawingService } from './edge-drawing.service';
+import { CommonModule } from '@angular/common';
+import { FcMagnetDirective } from './magnet.directive';
+import { FcConnectorDirective } from './connector.directive';
+import { FcNodeContainerComponent } from './node.component';
+import { FC_NODE_COMPONENT_CONFIG } from './ngx-flowchart.models';
+import { DefaultFcNodeComponent } from './default-node.component';
+const ɵ0 = {
+ nodeComponentType: DefaultFcNodeComponent
+};
export class NgxFlowchartModule {
}
NgxFlowchartModule.decorators = [
{ type: NgModule, args: [{
- declarations: [NgxFlowchartComponent],
- imports: [],
- exports: [NgxFlowchartComponent]
+ entryComponents: [
+ DefaultFcNodeComponent
+ ],
+ declarations: [NgxFlowchartComponent,
+ FcMagnetDirective,
+ FcConnectorDirective,
+ FcNodeContainerComponent,
+ DefaultFcNodeComponent],
+ providers: [
+ FcModelValidationService,
+ FcEdgeDrawingService,
+ {
+ provide: FC_NODE_COMPONENT_CONFIG,
+ useValue: ɵ0
+ }
+ ],
+ imports: [
+ CommonModule
+ ],
+ exports: [NgxFlowchartComponent,
+ FcMagnetDirective,
+ FcConnectorDirective,
+ DefaultFcNodeComponent]
},] }
];
-//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
+export { ɵ0 };
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.service.js b/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.service.js
deleted file mode 100644
index a440e61..0000000
--- a/dist/ngx-flowchart/esm2015/lib/ngx-flowchart.service.js
+++ /dev/null
@@ -1,18 +0,0 @@
-/**
- * @fileoverview added by tsickle
- * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
- */
-import { Injectable } from '@angular/core';
-import * as i0 from "@angular/core";
-export class NgxFlowchartService {
- constructor() { }
-}
-NgxFlowchartService.decorators = [
- { type: Injectable, args: [{
- providedIn: 'root'
- },] }
-];
-/** @nocollapse */
-NgxFlowchartService.ctorParameters = () => [];
-/** @nocollapse */ NgxFlowchartService.ngInjectableDef = i0.ɵɵdefineInjectable({ factory: function NgxFlowchartService_Factory() { return new NgxFlowchartService(); }, token: NgxFlowchartService, providedIn: "root" });
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\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/node-dragging.service.js b/dist/ngx-flowchart/esm2015/lib/node-dragging.service.js
new file mode 100644
index 0000000..75e748e
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/node-dragging.service.js
@@ -0,0 +1,466 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { FlowchartConstants } from './ngx-flowchart.models';
+/** @type {?} */
+const nodeDropScope = {
+ dropElement: null
+};
+export class FcNodeDraggingService {
+ /**
+ * @param {?} modelService
+ * @param {?} applyFunction
+ * @param {?} automaticResize
+ * @param {?} dragAnimation
+ */
+ constructor(modelService, applyFunction, automaticResize, dragAnimation) {
+ this.nodeDraggingScope = {
+ shadowDragStarted: false,
+ dropElement: null,
+ draggedNodes: [],
+ shadowElements: []
+ };
+ this.dragOffsets = [];
+ this.draggedElements = [];
+ this.destinationHtmlElements = [];
+ this.oldDisplayStyles = [];
+ this.modelService = modelService;
+ this.automaticResize = automaticResize;
+ this.dragAnimation = dragAnimation;
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @private
+ * @param {?} coordinate
+ * @param {?} max
+ * @return {?}
+ */
+ getCoordinate(coordinate, max) {
+ coordinate = Math.max(coordinate, 0);
+ coordinate = Math.min(coordinate, max);
+ return coordinate;
+ }
+ /**
+ * @private
+ * @param {?} x
+ * @return {?}
+ */
+ getXCoordinate(x) {
+ return this.getCoordinate(x, this.modelService.canvasHtmlElement.offsetWidth);
+ }
+ /**
+ * @private
+ * @param {?} y
+ * @return {?}
+ */
+ getYCoordinate(y) {
+ return this.getCoordinate(y, this.modelService.canvasHtmlElement.offsetHeight);
+ }
+ /**
+ * @private
+ * @param {?} draggedNode
+ * @param {?} nodeElement
+ * @return {?}
+ */
+ resizeCanvas(draggedNode, nodeElement) {
+ if (this.automaticResize && !this.modelService.isDropSource()) {
+ /** @type {?} */
+ const canvasElement = this.modelService.canvasHtmlElement;
+ if (canvasElement.offsetWidth < draggedNode.x + nodeElement.offsetWidth + FlowchartConstants.canvasResizeThreshold) {
+ canvasElement.style.width = canvasElement.offsetWidth + FlowchartConstants.canvasResizeStep + 'px';
+ }
+ if (canvasElement.offsetHeight < draggedNode.y + nodeElement.offsetHeight + FlowchartConstants.canvasResizeThreshold) {
+ canvasElement.style.height = canvasElement.offsetHeight + FlowchartConstants.canvasResizeStep + 'px';
+ }
+ }
+ }
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ isDraggingNode(node) {
+ return this.nodeDraggingScope.draggedNodes.includes(node);
+ }
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ dragstart(event, node) {
+ if (node.readonly) {
+ return;
+ }
+ this.dragOffsets.length = 0;
+ this.draggedElements.length = 0;
+ this.nodeDraggingScope.draggedNodes.length = 0;
+ this.nodeDraggingScope.shadowElements.length = 0;
+ this.destinationHtmlElements.length = 0;
+ this.oldDisplayStyles.length = 0;
+ /** @type {?} */
+ const elements = [];
+ /** @type {?} */
+ const nodes = [];
+ if (this.modelService.nodes.isSelected(node)) {
+ /** @type {?} */
+ const selectedNodes = this.modelService.nodes.getSelectedNodes();
+ for (const selectedNode of selectedNodes) {
+ /** @type {?} */
+ const element = $(this.modelService.nodes.getHtmlElement(selectedNode.id));
+ elements.push(element);
+ nodes.push(selectedNode);
+ }
+ }
+ else {
+ elements.push($((/** @type {?} */ (event.target))));
+ nodes.push(node);
+ }
+ /** @type {?} */
+ const offsetsX = [];
+ /** @type {?} */
+ const offsetsY = [];
+ for (const element of elements) {
+ offsetsX.push(parseInt(element.css('left'), 10) - event.clientX);
+ offsetsY.push(parseInt(element.css('top'), 10) - event.clientY);
+ }
+ /** @type {?} */
+ const originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ if (this.modelService.isDropSource()) {
+ if (nodeDropScope.dropElement) {
+ nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);
+ nodeDropScope.dropElement = null;
+ }
+ nodeDropScope.dropElement = (/** @type {?} */ (elements[0][0].cloneNode(true)));
+ /** @type {?} */
+ const offset = $(this.modelService.canvasHtmlElement).offset();
+ nodeDropScope.dropElement.offsetInfo = {
+ offsetX: Math.round(offsetsX[0] + offset.left),
+ offsetY: Math.round(offsetsY[0] + offset.top)
+ };
+ nodeDropScope.dropElement.style.position = 'absolute';
+ nodeDropScope.dropElement.style.pointerEvents = 'none';
+ nodeDropScope.dropElement.style.zIndex = '9999';
+ document.body.appendChild(nodeDropScope.dropElement);
+ /** @type {?} */
+ const dropNodeInfo = {
+ node,
+ dropTargetId: this.modelService.dropTargetId,
+ offsetX: Math.round(offsetsX[0] + offset.left),
+ offsetY: Math.round(offsetsY[0] + offset.top)
+ };
+ originalEvent.dataTransfer.setData('text', JSON.stringify(dropNodeInfo));
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ /** @type {?} */
+ const target = (/** @type {?} */ (event.target));
+ this.destinationHtmlElements.push(target);
+ this.oldDisplayStyles.push(target.style.display);
+ target.style.display = 'none';
+ this.nodeDraggingScope.shadowDragStarted = true;
+ }
+ return;
+ }
+ this.nodeDraggingScope.draggedNodes = nodes;
+ for (let i = 0; i < elements.length; i++) {
+ this.draggedElements.push(elements[i][0]);
+ this.dragOffsets.push({
+ x: offsetsX[i],
+ y: offsetsY[i]
+ });
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ for (let i = 0; i < this.draggedElements.length; i++) {
+ /** @type {?} */
+ const dragOffset = this.dragOffsets[i];
+ /** @type {?} */
+ const draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ const shadowElement = $(``);
+ /** @type {?} */
+ const targetInnerNode = $(this.draggedElements[i]).children()[0];
+ shadowElement.children()[0].style.backgroundColor = targetInnerNode.style.backgroundColor;
+ this.nodeDraggingScope.shadowElements.push(shadowElement);
+ this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[i][0]);
+ }
+ }
+ originalEvent.dataTransfer.setData('text', 'Just to support firefox');
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ for (let i = 0; i < this.draggedElements.length; i++) {
+ this.destinationHtmlElements.push(this.draggedElements[i]);
+ this.oldDisplayStyles.push(this.destinationHtmlElements[i].style.display);
+ this.destinationHtmlElements[i].style.display = 'none';
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.nodeDraggingScope.shadowDragStarted = true;
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ drop(event) {
+ if (this.modelService.isDropSource()) {
+ event.preventDefault();
+ return false;
+ }
+ /** @type {?} */
+ let dropNode = null;
+ /** @type {?} */
+ const originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ /** @type {?} */
+ const infoText = originalEvent.dataTransfer.getData('text');
+ if (infoText) {
+ /** @type {?} */
+ let dropNodeInfo = null;
+ try {
+ dropNodeInfo = JSON.parse(infoText);
+ }
+ catch (e) { }
+ if (dropNodeInfo && dropNodeInfo.dropTargetId) {
+ if (this.modelService.canvasHtmlElement.id &&
+ this.modelService.canvasHtmlElement.id === dropNodeInfo.dropTargetId) {
+ dropNode = dropNodeInfo.node;
+ /** @type {?} */
+ const offset = $(this.modelService.canvasHtmlElement).offset();
+ /** @type {?} */
+ const x = event.clientX - offset.left;
+ /** @type {?} */
+ const y = event.clientY - offset.top;
+ dropNode.x = Math.round(this.getXCoordinate(dropNodeInfo.offsetX + x));
+ dropNode.y = Math.round(this.getYCoordinate(dropNodeInfo.offsetY + y));
+ }
+ }
+ }
+ if (dropNode) {
+ this.modelService.dropNode(event, dropNode);
+ event.preventDefault();
+ return false;
+ }
+ else if (this.nodeDraggingScope.draggedNodes.length) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ const draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ const dragOffset = this.dragOffsets[i];
+ draggedNode.x = Math.round(this.getXCoordinate(dragOffset.x + event.clientX));
+ draggedNode.y = Math.round(this.getYCoordinate(dragOffset.y + event.clientY));
+ }
+ event.preventDefault();
+ return false;
+ }));
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragover(event) {
+ if (nodeDropScope.dropElement) {
+ /** @type {?} */
+ const offsetInfo = nodeDropScope.dropElement.offsetInfo;
+ nodeDropScope.dropElement.style.left = (offsetInfo.offsetX + event.clientX) + 'px';
+ nodeDropScope.dropElement.style.top = (offsetInfo.offsetY + event.clientY) + 'px';
+ if (this.nodeDraggingScope.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.destinationHtmlElements[0].style.display = this.oldDisplayStyles[0];
+ this.nodeDraggingScope.shadowDragStarted = false;
+ }));
+ }
+ event.preventDefault();
+ return;
+ }
+ if (this.modelService.isDropSource()) {
+ event.preventDefault();
+ return;
+ }
+ if (!this.nodeDraggingScope.draggedNodes.length) {
+ event.preventDefault();
+ return;
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ const draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ const dragOffset = this.dragOffsets[i];
+ draggedNode.x = this.getXCoordinate(dragOffset.x + event.clientX);
+ draggedNode.y = this.getYCoordinate(dragOffset.y + event.clientY);
+ this.resizeCanvas(draggedNode, this.draggedElements[i]);
+ }
+ event.preventDefault();
+ return false;
+ }));
+ }
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ if (this.nodeDraggingScope.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ this.destinationHtmlElements[i].style.display = this.oldDisplayStyles[i];
+ }
+ this.nodeDraggingScope.shadowDragStarted = false;
+ }));
+ }
+ for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ const draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ const dragOffset = this.dragOffsets[i];
+ this.nodeDraggingScope.shadowElements[i].css('left', this.getXCoordinate(dragOffset.x + event.clientX) + 'px');
+ this.nodeDraggingScope.shadowElements[i].css('top', this.getYCoordinate(dragOffset.y + event.clientY) + 'px');
+ this.resizeCanvas(draggedNode, this.draggedElements[i]);
+ }
+ event.preventDefault();
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragend(event) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ if (nodeDropScope.dropElement) {
+ nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);
+ nodeDropScope.dropElement = null;
+ }
+ if (this.modelService.isDropSource()) {
+ return;
+ }
+ if (this.nodeDraggingScope.shadowElements.length) {
+ for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ const draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ const shadowElement = this.nodeDraggingScope.shadowElements[i];
+ draggedNode.x = parseInt(shadowElement.css('left').replace('px', ''), 10);
+ draggedNode.y = parseInt(shadowElement.css('top').replace('px', ''), 10);
+ this.modelService.canvasHtmlElement.removeChild(shadowElement[0]);
+ }
+ this.nodeDraggingScope.shadowElements.length = 0;
+ }
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ this.nodeDraggingScope.draggedNodes.length = 0;
+ this.draggedElements.length = 0;
+ this.dragOffsets.length = 0;
+ }
+ }));
+ }
+}
+if (false) {
+ /** @type {?} */
+ FcNodeDraggingService.prototype.nodeDraggingScope;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.dragOffsets;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.draggedElements;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.destinationHtmlElements;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.oldDisplayStyles;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.automaticResize;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.dragAnimation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.applyFunction;
+}
+/**
+ * @record
+ */
+export function NodeDraggingScope() { }
+if (false) {
+ /** @type {?} */
+ NodeDraggingScope.prototype.draggedNodes;
+ /** @type {?} */
+ NodeDraggingScope.prototype.shadowElements;
+ /** @type {?} */
+ NodeDraggingScope.prototype.shadowDragStarted;
+ /** @type {?} */
+ NodeDraggingScope.prototype.dropElement;
+}
+/**
+ * @record
+ */
+export function NodeDropElement() { }
+if (false) {
+ /** @type {?|undefined} */
+ NodeDropElement.prototype.offsetInfo;
+}
+/**
+ * @record
+ */
+export function NodeDropScope() { }
+if (false) {
+ /** @type {?} */
+ NodeDropScope.prototype.dropElement;
+}
+/**
+ * @record
+ */
+export function DropNodeInfo() { }
+if (false) {
+ /** @type {?} */
+ DropNodeInfo.prototype.node;
+ /** @type {?} */
+ DropNodeInfo.prototype.dropTargetId;
+ /** @type {?} */
+ DropNodeInfo.prototype.offsetX;
+ /** @type {?} */
+ DropNodeInfo.prototype.offsetY;
+}
+//# 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{ FcModelService } from './model.service';\nimport { FcCoords, FcNode, FlowchartConstants } from './ngx-flowchart.models';\n\nconst nodeDropScope: NodeDropScope = {\n  dropElement: null\n};\n\nexport class FcNodeDraggingService {\n\n  nodeDraggingScope: NodeDraggingScope = {\n    shadowDragStarted: false,\n    dropElement: null,\n    draggedNodes: [],\n    shadowElements: []\n  };\n\n  private dragOffsets: FcCoords[] = [];\n  private draggedElements: HTMLElement[] = [];\n\n  private destinationHtmlElements: HTMLElement[] = [];\n  private oldDisplayStyles: string[] = [];\n\n  private readonly modelService: FcModelService;\n  private readonly automaticResize: boolean;\n  private readonly dragAnimation: string;\n  private readonly applyFunction: <T>(fn: (...args: any[]) => T) => T;\n\n  constructor(modelService: FcModelService,\n              applyFunction: <T>(fn: (...args: any[]) => T) => T,\n              automaticResize: boolean, dragAnimation: string) {\n    this.modelService = modelService;\n    this.automaticResize = automaticResize;\n    this.dragAnimation = dragAnimation;\n    this.applyFunction = applyFunction;\n  }\n\n  private getCoordinate(coordinate: number, max: number): number {\n    coordinate = Math.max(coordinate, 0);\n    coordinate = Math.min(coordinate, max);\n    return coordinate;\n  }\n\n  private getXCoordinate(x: number): number {\n    return this.getCoordinate(x, this.modelService.canvasHtmlElement.offsetWidth);\n  }\n\n  private getYCoordinate(y: number): number {\n    return this.getCoordinate(y, this.modelService.canvasHtmlElement.offsetHeight);\n  }\n\n  private resizeCanvas(draggedNode: FcNode, nodeElement: HTMLElement) {\n    if (this.automaticResize && !this.modelService.isDropSource()) {\n      const canvasElement = this.modelService.canvasHtmlElement;\n      if (canvasElement.offsetWidth < draggedNode.x + nodeElement.offsetWidth + FlowchartConstants.canvasResizeThreshold) {\n        canvasElement.style.width = canvasElement.offsetWidth + FlowchartConstants.canvasResizeStep + 'px';\n      }\n      if (canvasElement.offsetHeight < draggedNode.y + nodeElement.offsetHeight + FlowchartConstants.canvasResizeThreshold) {\n        canvasElement.style.height = canvasElement.offsetHeight + FlowchartConstants.canvasResizeStep + 'px';\n      }\n    }\n  }\n\n  public isDraggingNode(node: FcNode): boolean {\n    return this.nodeDraggingScope.draggedNodes.includes(node);\n  }\n\n  public dragstart(event: DragEvent, node: FcNode) {\n    if (node.readonly) {\n      return;\n    }\n    this.dragOffsets.length = 0;\n    this.draggedElements.length = 0;\n    this.nodeDraggingScope.draggedNodes.length = 0;\n    this.nodeDraggingScope.shadowElements.length = 0;\n    this.destinationHtmlElements.length = 0;\n    this.oldDisplayStyles.length = 0;\n    const elements: Array<JQuery<HTMLElement>> = [];\n    const nodes: Array<FcNode> = [];\n    if (this.modelService.nodes.isSelected(node)) {\n      const selectedNodes = this.modelService.nodes.getSelectedNodes();\n      for (const selectedNode of selectedNodes) {\n        const element = $(this.modelService.nodes.getHtmlElement(selectedNode.id));\n        elements.push(element);\n        nodes.push(selectedNode);\n      }\n    } else {\n      elements.push($(event.target as HTMLElement));\n      nodes.push(node);\n    }\n    const offsetsX: number[] = [];\n    const offsetsY: number[] = [];\n    for (const element of elements) {\n      offsetsX.push(parseInt(element.css('left'), 10) - event.clientX);\n      offsetsY.push(parseInt(element.css('top'), 10) - event.clientY);\n    }\n    const originalEvent: DragEvent = (event as any).originalEvent || event;\n    if (this.modelService.isDropSource()) {\n      if (nodeDropScope.dropElement) {\n        nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n        nodeDropScope.dropElement = null;\n      }\n      nodeDropScope.dropElement = elements[0][0].cloneNode(true) as NodeDropElement;\n      const offset = $(this.modelService.canvasHtmlElement).offset();\n      nodeDropScope.dropElement.offsetInfo = {\n        offsetX: Math.round(offsetsX[0] + offset.left),\n        offsetY: Math.round(offsetsY[0] + offset.top)\n      };\n      nodeDropScope.dropElement.style.position = 'absolute';\n      nodeDropScope.dropElement.style.pointerEvents = 'none';\n      nodeDropScope.dropElement.style.zIndex = '9999';\n\n      document.body.appendChild(nodeDropScope.dropElement);\n      const dropNodeInfo: DropNodeInfo = {\n        node,\n        dropTargetId: this.modelService.dropTargetId,\n        offsetX: Math.round(offsetsX[0] + offset.left),\n        offsetY: Math.round(offsetsY[0] + offset.top)\n      };\n      originalEvent.dataTransfer.setData('text', JSON.stringify(dropNodeInfo));\n\n      if (originalEvent.dataTransfer.setDragImage) {\n        originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n      } else {\n        const target: HTMLElement = event.target as HTMLElement;\n        this.destinationHtmlElements.push(target);\n        this.oldDisplayStyles.push(target.style.display);\n        target.style.display = 'none';\n        this.nodeDraggingScope.shadowDragStarted = true;\n      }\n      return;\n    }\n    this.nodeDraggingScope.draggedNodes = nodes;\n    for (let i = 0; i < elements.length; i++) {\n      this.draggedElements.push(elements[i][0]);\n      this.dragOffsets.push(\n        {\n          x: offsetsX[i],\n          y: offsetsY[i]\n        }\n      );\n    }\n\n    if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n      for (let i = 0; i < this.draggedElements.length; i++) {\n        const dragOffset = this.dragOffsets[i];\n        const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n        const shadowElement = $(`<div style=\"position: absolute; opacity: 0.7; ` +\n                                `top: ${this.getYCoordinate(dragOffset.y + event.clientY)}px; ` +\n                                `left: ${this.getXCoordinate(dragOffset.x + event.clientX)}px; \">` +\n                                `<div class=\"innerNode\"><p style=\"padding: 0 15px;\">${draggedNode.name}</p> </div></div>`);\n        const targetInnerNode = $(this.draggedElements[i]).children()[0];\n        shadowElement.children()[0].style.backgroundColor = targetInnerNode.style.backgroundColor;\n        this.nodeDraggingScope.shadowElements.push(shadowElement);\n        this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[i][0]);\n      }\n    }\n    originalEvent.dataTransfer.setData('text', 'Just to support firefox');\n    if (originalEvent.dataTransfer.setDragImage) {\n      originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n    } else {\n      for (let i = 0; i < this.draggedElements.length; i++) {\n        this.destinationHtmlElements.push(this.draggedElements[i]);\n        this.oldDisplayStyles.push(this.destinationHtmlElements[i].style.display);\n        this.destinationHtmlElements[i].style.display = 'none';\n      }\n      if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n        this.nodeDraggingScope.shadowDragStarted = true;\n      }\n    }\n  }\n\n  public drop(event: DragEvent): boolean {\n    if (this.modelService.isDropSource()) {\n      event.preventDefault();\n      return false;\n    }\n    let dropNode: FcNode = null;\n    const originalEvent: DragEvent = (event as any).originalEvent || event;\n    const infoText = originalEvent.dataTransfer.getData('text');\n    if (infoText) {\n      let dropNodeInfo: DropNodeInfo = null;\n      try {\n        dropNodeInfo = JSON.parse(infoText);\n      } catch (e) {}\n      if (dropNodeInfo && dropNodeInfo.dropTargetId) {\n        if (this.modelService.canvasHtmlElement.id &&\n          this.modelService.canvasHtmlElement.id === dropNodeInfo.dropTargetId) {\n          dropNode = dropNodeInfo.node;\n          const offset = $(this.modelService.canvasHtmlElement).offset();\n          const x = event.clientX - offset.left;\n          const y = event.clientY - offset.top;\n          dropNode.x = Math.round(this.getXCoordinate(dropNodeInfo.offsetX + x));\n          dropNode.y = Math.round(this.getYCoordinate(dropNodeInfo.offsetY + y));\n        }\n      }\n    }\n    if (dropNode) {\n      this.modelService.dropNode(event, dropNode);\n      event.preventDefault();\n      return false;\n    } else if (this.nodeDraggingScope.draggedNodes.length) {\n      return this.applyFunction(() => {\n        for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n          const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n          const dragOffset = this.dragOffsets[i];\n          draggedNode.x = Math.round(this.getXCoordinate(dragOffset.x + event.clientX));\n          draggedNode.y = Math.round(this.getYCoordinate(dragOffset.y + event.clientY));\n        }\n        event.preventDefault();\n        return false;\n      });\n    }\n  }\n\n  public dragover(event: DragEvent) {\n    if (nodeDropScope.dropElement) {\n      const offsetInfo = nodeDropScope.dropElement.offsetInfo;\n      nodeDropScope.dropElement.style.left = (offsetInfo.offsetX + event.clientX) + 'px';\n      nodeDropScope.dropElement.style.top = (offsetInfo.offsetY + event.clientY) + 'px';\n      if (this.nodeDraggingScope.shadowDragStarted) {\n        this.applyFunction(() => {\n          this.destinationHtmlElements[0].style.display = this.oldDisplayStyles[0];\n          this.nodeDraggingScope.shadowDragStarted = false;\n        });\n      }\n      event.preventDefault();\n      return;\n    }\n    if (this.modelService.isDropSource()) {\n      event.preventDefault();\n      return;\n    }\n    if (!this.nodeDraggingScope.draggedNodes.length) {\n      event.preventDefault();\n      return;\n    }\n    if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n      if (this.nodeDraggingScope.draggedNodes.length) {\n        return this.applyFunction(() => {\n          for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n            const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n            const dragOffset = this.dragOffsets[i];\n            draggedNode.x = this.getXCoordinate(dragOffset.x + event.clientX);\n            draggedNode.y = this.getYCoordinate(dragOffset.y + event.clientY);\n            this.resizeCanvas(draggedNode, this.draggedElements[i]);\n          }\n          event.preventDefault();\n          return false;\n        });\n      }\n    } else if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n      if (this.nodeDraggingScope.draggedNodes.length) {\n        if (this.nodeDraggingScope.shadowDragStarted) {\n          this.applyFunction(() => {\n            for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n              this.destinationHtmlElements[i].style.display = this.oldDisplayStyles[i];\n            }\n            this.nodeDraggingScope.shadowDragStarted = false;\n          });\n        }\n        for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n          const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n          const dragOffset = this.dragOffsets[i];\n          this.nodeDraggingScope.shadowElements[i].css('left', this.getXCoordinate(dragOffset.x + event.clientX) + 'px');\n          this.nodeDraggingScope.shadowElements[i].css('top', this.getYCoordinate(dragOffset.y + event.clientY) + 'px');\n          this.resizeCanvas(draggedNode, this.draggedElements[i]);\n        }\n        event.preventDefault();\n      }\n    }\n  }\n\n  public dragend(event: DragEvent) {\n    this.applyFunction(() => {\n      if (nodeDropScope.dropElement) {\n        nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n        nodeDropScope.dropElement = null;\n      }\n      if (this.modelService.isDropSource()) {\n        return;\n      }\n      if (this.nodeDraggingScope.shadowElements.length) {\n        for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n          const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n          const shadowElement = this.nodeDraggingScope.shadowElements[i];\n          draggedNode.x = parseInt(shadowElement.css('left').replace('px', ''), 10);\n          draggedNode.y = parseInt(shadowElement.css('top').replace('px', ''), 10);\n          this.modelService.canvasHtmlElement.removeChild(shadowElement[0]);\n        }\n        this.nodeDraggingScope.shadowElements.length = 0;\n      }\n\n      if (this.nodeDraggingScope.draggedNodes.length) {\n        this.nodeDraggingScope.draggedNodes.length = 0;\n        this.draggedElements.length = 0;\n        this.dragOffsets.length = 0;\n      }\n    });\n  }\n\n}\n\nexport interface NodeDraggingScope {\n  draggedNodes: Array<FcNode>;\n  shadowElements: Array<JQuery<HTMLElement>>;\n  shadowDragStarted: boolean;\n  dropElement: HTMLElement;\n}\n\nexport interface NodeDropElement extends HTMLElement {\n  offsetInfo?: {\n    offsetX: number;\n    offsetY: number;\n  };\n}\n\nexport interface NodeDropScope {\n  dropElement: NodeDropElement;\n}\n\nexport interface DropNodeInfo {\n  node: FcNode;\n  dropTargetId: string;\n  offsetX: number;\n  offsetY: number;\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/node.component.js b/dist/ngx-flowchart/esm2015/lib/node.component.js
new file mode 100644
index 0000000..919adc2
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/node.component.js
@@ -0,0 +1,315 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { Component, ComponentFactoryResolver, ElementRef, HostBinding, HostListener, Inject, Input, ViewChild, ViewContainerRef } from '@angular/core';
+import { FC_NODE_COMPONENT_CONFIG, FlowchartConstants } from './ngx-flowchart.models';
+import { FcModelService } from './model.service';
+export class FcNodeContainerComponent {
+ /**
+ * @param {?} nodeComponentConfig
+ * @param {?} elementRef
+ * @param {?} componentFactoryResolver
+ */
+ constructor(nodeComponentConfig, elementRef, componentFactoryResolver) {
+ this.nodeComponentConfig = nodeComponentConfig;
+ this.elementRef = elementRef;
+ this.componentFactoryResolver = componentFactoryResolver;
+ }
+ /**
+ * @return {?}
+ */
+ get nodeId() {
+ return this.node.id;
+ }
+ /**
+ * @return {?}
+ */
+ get top() {
+ return this.node.y + 'px';
+ }
+ /**
+ * @return {?}
+ */
+ get left() {
+ return this.node.x + 'px';
+ }
+ /**
+ * @return {?}
+ */
+ ngOnInit() {
+ if (!this.userNodeCallbacks) {
+ this.userNodeCallbacks = {};
+ }
+ this.userNodeCallbacks.nodeEdit = this.userNodeCallbacks.nodeEdit || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.userNodeCallbacks.doubleClick = this.userNodeCallbacks.doubleClick || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.userNodeCallbacks.mouseDown = this.userNodeCallbacks.mouseDown || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.userNodeCallbacks.mouseEnter = this.userNodeCallbacks.mouseEnter || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.userNodeCallbacks.mouseLeave = this.userNodeCallbacks.mouseLeave || ((/**
+ * @return {?}
+ */
+ () => { }));
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.nodeClass);
+ if (!this.node.readonly) {
+ element.attr('draggable', 'true');
+ }
+ this.updateNodeClass();
+ this.modelservice.nodes.setHtmlElement(this.node.id, element[0]);
+ this.nodeContentContainer.clear();
+ /** @type {?} */
+ const componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType);
+ /** @type {?} */
+ const componentRef = this.nodeContentContainer.createComponent(componentFactory);
+ this.nodeComponent = componentRef.instance;
+ this.nodeComponent.callbacks = this.callbacks;
+ this.nodeComponent.userNodeCallbacks = this.userNodeCallbacks;
+ this.nodeComponent.node = this.node;
+ this.nodeComponent.modelservice = this.modelservice;
+ this.updateNodeComponent();
+ }
+ /**
+ * @param {?} changes
+ * @return {?}
+ */
+ ngOnChanges(changes) {
+ /** @type {?} */
+ let updateNode = false;
+ for (const propName of Object.keys(changes)) {
+ /** @type {?} */
+ const change = changes[propName];
+ if (!change.firstChange && change.currentValue !== change.previousValue) {
+ if (['selected', 'edit', 'underMouse', 'mouseOverConnector', 'dragging'].includes(propName)) {
+ updateNode = true;
+ }
+ }
+ }
+ if (updateNode) {
+ this.updateNodeClass();
+ this.updateNodeComponent();
+ }
+ }
+ /**
+ * @private
+ * @return {?}
+ */
+ updateNodeClass() {
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ this.toggleClass(element, FlowchartConstants.selectedClass, this.selected);
+ this.toggleClass(element, FlowchartConstants.editClass, this.edit);
+ this.toggleClass(element, FlowchartConstants.hoverClass, this.underMouse);
+ this.toggleClass(element, FlowchartConstants.draggingClass, this.dragging);
+ }
+ /**
+ * @private
+ * @return {?}
+ */
+ updateNodeComponent() {
+ this.nodeComponent.selected = this.selected;
+ this.nodeComponent.edit = this.edit;
+ this.nodeComponent.underMouse = this.underMouse;
+ this.nodeComponent.mouseOverConnector = this.mouseOverConnector;
+ this.nodeComponent.dragging = this.dragging;
+ }
+ /**
+ * @private
+ * @param {?} element
+ * @param {?} clazz
+ * @param {?} set
+ * @return {?}
+ */
+ toggleClass(element, clazz, set) {
+ if (set) {
+ element.addClass(clazz);
+ }
+ else {
+ element.removeClass(clazz);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mousedown(event) {
+ event.stopPropagation();
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragstart(event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeDragstart(event, this.node);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragend(event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeDragend(event);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ click(event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeClicked(event, this.node);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mouseover(event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeMouseOver(event, this.node);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mouseout(event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeMouseOut(event, this.node);
+ }
+ }
+}
+FcNodeContainerComponent.decorators = [
+ { type: Component, args: [{
+ selector: 'fc-node',
+ template: ' ',
+ styles: [":host{position:absolute;z-index:1}:host.fc-dragging{z-index:10}:host ::ng-deep .fc-leftConnectors,:host ::ng-deep .fc-rightConnectors{position:absolute;top:0;height:100%;display:flex;flex-direction:column;z-index:-10}:host ::ng-deep .fc-leftConnectors .fc-magnet,:host ::ng-deep .fc-rightConnectors .fc-magnet{align-items:center}:host ::ng-deep .fc-leftConnectors{left:-20px}:host ::ng-deep .fc-rightConnectors{right:-20px}:host ::ng-deep .fc-magnet{display:flex;flex-grow:1;height:60px;justify-content:center}:host ::ng-deep .fc-connector{width:18px;height:18px;border:10px solid transparent;-moz-background-clip:padding;-webkit-background-clip:padding;background-clip:padding-box;border-radius:50%;background-color:#f7a789;color:#fff;pointer-events:all}:host ::ng-deep .fc-connector.fc-hover{background-color:#000}"]
+ }] }
+];
+/** @nocollapse */
+FcNodeContainerComponent.ctorParameters = () => [
+ { type: undefined, decorators: [{ type: Inject, args: [FC_NODE_COMPONENT_CONFIG,] }] },
+ { type: ElementRef },
+ { type: ComponentFactoryResolver }
+];
+FcNodeContainerComponent.propDecorators = {
+ callbacks: [{ type: Input }],
+ userNodeCallbacks: [{ type: Input }],
+ node: [{ type: Input }],
+ selected: [{ type: Input }],
+ edit: [{ type: Input }],
+ underMouse: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ dragging: [{ type: Input }],
+ nodeId: [{ type: HostBinding, args: ['attr.id',] }],
+ top: [{ type: HostBinding, args: ['style.top',] }],
+ left: [{ type: HostBinding, args: ['style.left',] }],
+ nodeContentContainer: [{ type: ViewChild, args: ['nodeContent', { read: ViewContainerRef, static: true },] }],
+ mousedown: [{ type: HostListener, args: ['mousedown', ['$event'],] }],
+ dragstart: [{ type: HostListener, args: ['dragstart', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }],
+ click: [{ type: HostListener, args: ['click', ['$event'],] }],
+ mouseover: [{ type: HostListener, args: ['mouseover', ['$event'],] }],
+ mouseout: [{ type: HostListener, args: ['mouseout', ['$event'],] }]
+};
+if (false) {
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.callbacks;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.node;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.selected;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.edit;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.underMouse;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.modelservice;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.dragging;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.nodeComponent;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.nodeContentContainer;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.nodeComponentConfig;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.elementRef;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.componentFactoryResolver;
+}
+/**
+ * @abstract
+ */
+export class FcNodeComponent {
+ constructor() {
+ this.flowchartConstants = FlowchartConstants;
+ }
+ /**
+ * @return {?}
+ */
+ ngOnInit() {
+ }
+}
+FcNodeComponent.propDecorators = {
+ callbacks: [{ type: Input }],
+ userNodeCallbacks: [{ type: Input }],
+ node: [{ type: Input }],
+ selected: [{ type: Input }],
+ edit: [{ type: Input }],
+ underMouse: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ dragging: [{ type: Input }]
+};
+if (false) {
+ /** @type {?} */
+ FcNodeComponent.prototype.callbacks;
+ /** @type {?} */
+ FcNodeComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ FcNodeComponent.prototype.node;
+ /** @type {?} */
+ FcNodeComponent.prototype.selected;
+ /** @type {?} */
+ FcNodeComponent.prototype.edit;
+ /** @type {?} */
+ FcNodeComponent.prototype.underMouse;
+ /** @type {?} */
+ FcNodeComponent.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcNodeComponent.prototype.modelservice;
+ /** @type {?} */
+ FcNodeComponent.prototype.dragging;
+ /** @type {?} */
+ FcNodeComponent.prototype.flowchartConstants;
+}
+//# 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{\n  Component,\n  ComponentFactoryResolver, Directive,\n  ElementRef, HostBinding,\n  HostListener,\n  Inject,\n  Input,\n  OnChanges,\n  OnInit,\n  SimpleChanges,\n  ViewChild,\n  ViewContainerRef\n} from '@angular/core';\nimport {\n  FC_NODE_COMPONENT_CONFIG,\n  FcCallbacks,\n  FcConnector,\n  FcNode,\n  FcNodeComponentConfig,\n  FlowchartConstants,\n  UserNodeCallbacks\n} from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\n\n@Component({\n  selector: 'fc-node',\n  template: '<ng-template #nodeContent></ng-template>',\n  styleUrls: ['./node.component.scss']\n})\nexport class FcNodeContainerComponent implements OnInit, OnChanges {\n\n  @Input()\n  callbacks: FcCallbacks;\n\n  @Input()\n  userNodeCallbacks: UserNodeCallbacks;\n\n  @Input()\n  node: FcNode;\n\n  @Input()\n  selected: boolean;\n\n  @Input()\n  edit: boolean;\n\n  @Input()\n  underMouse: boolean;\n\n  @Input()\n  mouseOverConnector: FcConnector;\n\n  @Input()\n  modelservice: FcModelService;\n\n  @Input()\n  dragging: boolean;\n\n  @HostBinding('attr.id')\n  get nodeId(): string {\n    return this.node.id;\n  }\n\n  @HostBinding('style.top')\n  get top(): string {\n    return this.node.y + 'px';\n  }\n\n  @HostBinding('style.left')\n  get left(): string {\n    return this.node.x + 'px';\n  }\n\n  nodeComponent: FcNodeComponent;\n\n  @ViewChild('nodeContent', {read: ViewContainerRef, static: true}) nodeContentContainer: ViewContainerRef;\n\n  constructor(@Inject(FC_NODE_COMPONENT_CONFIG) private nodeComponentConfig: FcNodeComponentConfig,\n              private elementRef: ElementRef<HTMLElement>,\n              private componentFactoryResolver: ComponentFactoryResolver) {\n  }\n\n  ngOnInit(): void {\n    if (!this.userNodeCallbacks) {\n      this.userNodeCallbacks = {};\n    }\n    this.userNodeCallbacks.nodeEdit = this.userNodeCallbacks.nodeEdit || (() => {});\n    this.userNodeCallbacks.doubleClick = this.userNodeCallbacks.doubleClick || (() => {});\n    this.userNodeCallbacks.mouseDown = this.userNodeCallbacks.mouseDown || (() => {});\n    this.userNodeCallbacks.mouseEnter = this.userNodeCallbacks.mouseEnter || (() => {});\n    this.userNodeCallbacks.mouseLeave = this.userNodeCallbacks.mouseLeave || (() => {});\n\n    const element = $(this.elementRef.nativeElement);\n    element.addClass(FlowchartConstants.nodeClass);\n    if (!this.node.readonly) {\n      element.attr('draggable', 'true');\n    }\n    this.updateNodeClass();\n    this.modelservice.nodes.setHtmlElement(this.node.id, element[0]);\n    this.nodeContentContainer.clear();\n    const componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType);\n    const componentRef = this.nodeContentContainer.createComponent(componentFactory);\n    this.nodeComponent = componentRef.instance;\n    this.nodeComponent.callbacks = this.callbacks;\n    this.nodeComponent.userNodeCallbacks = this.userNodeCallbacks;\n    this.nodeComponent.node = this.node;\n    this.nodeComponent.modelservice = this.modelservice;\n    this.updateNodeComponent();\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    let updateNode = false;\n    for (const propName of Object.keys(changes)) {\n      const change = changes[propName];\n      if (!change.firstChange && change.currentValue !== change.previousValue) {\n        if (['selected', 'edit', 'underMouse', 'mouseOverConnector', 'dragging'].includes(propName)) {\n          updateNode = true;\n        }\n      }\n    }\n    if (updateNode) {\n      this.updateNodeClass();\n      this.updateNodeComponent();\n    }\n  }\n\n  private updateNodeClass() {\n    const element = $(this.elementRef.nativeElement);\n    this.toggleClass(element, FlowchartConstants.selectedClass, this.selected);\n    this.toggleClass(element, FlowchartConstants.editClass, this.edit);\n    this.toggleClass(element, FlowchartConstants.hoverClass, this.underMouse);\n    this.toggleClass(element, FlowchartConstants.draggingClass, this.dragging);\n  }\n\n  private updateNodeComponent() {\n    this.nodeComponent.selected = this.selected;\n    this.nodeComponent.edit = this.edit;\n    this.nodeComponent.underMouse = this.underMouse;\n    this.nodeComponent.mouseOverConnector = this.mouseOverConnector;\n    this.nodeComponent.dragging = this.dragging;\n  }\n\n  private toggleClass(element: JQuery<HTMLElement>, clazz: string, set: boolean) {\n    if (set) {\n      element.addClass(clazz);\n    } else {\n      element.removeClass(clazz);\n    }\n  }\n\n  @HostListener('mousedown', ['$event'])\n  mousedown(event: MouseEvent) {\n    event.stopPropagation();\n  }\n\n  @HostListener('dragstart', ['$event'])\n  dragstart(event: DragEvent) {\n    if (!this.node.readonly) {\n      this.callbacks.nodeDragstart(event, this.node);\n    }\n  }\n\n  @HostListener('dragend', ['$event'])\n  dragend(event: DragEvent) {\n    if (!this.node.readonly) {\n      this.callbacks.nodeDragend(event);\n    }\n  }\n\n  @HostListener('click', ['$event'])\n  click(event: MouseEvent) {\n    if (!this.node.readonly) {\n      this.callbacks.nodeClicked(event, this.node);\n    }\n  }\n\n  @HostListener('mouseover', ['$event'])\n  mouseover(event: MouseEvent) {\n    if (!this.node.readonly) {\n      this.callbacks.nodeMouseOver(event, this.node);\n    }\n  }\n\n  @HostListener('mouseout', ['$event'])\n  mouseout(event: MouseEvent) {\n    if (!this.node.readonly) {\n      this.callbacks.nodeMouseOut(event, this.node);\n    }\n  }\n\n}\n\nexport abstract class FcNodeComponent implements OnInit {\n\n  @Input()\n  callbacks: FcCallbacks;\n\n  @Input()\n  userNodeCallbacks: UserNodeCallbacks;\n\n  @Input()\n  node: FcNode;\n\n  @Input()\n  selected: boolean;\n\n  @Input()\n  edit: boolean;\n\n  @Input()\n  underMouse: boolean;\n\n  @Input()\n  mouseOverConnector: FcConnector;\n\n  @Input()\n  modelservice: FcModelService;\n\n  @Input()\n  dragging: boolean;\n\n  flowchartConstants = FlowchartConstants;\n\n  ngOnInit(): void {\n  }\n\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/rectangleselect.service.js b/dist/ngx-flowchart/esm2015/lib/rectangleselect.service.js
new file mode 100644
index 0000000..1542f1c
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/rectangleselect.service.js
@@ -0,0 +1,193 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import scrollparent from './scrollparent';
+/**
+ * @record
+ */
+function Rectangle() { }
+if (false) {
+ /** @type {?} */
+ Rectangle.prototype.x1;
+ /** @type {?} */
+ Rectangle.prototype.x2;
+ /** @type {?} */
+ Rectangle.prototype.y1;
+ /** @type {?} */
+ Rectangle.prototype.y2;
+}
+export class FcRectangleSelectService {
+ /**
+ * @param {?} modelService
+ * @param {?} selectElement
+ * @param {?} applyFunction
+ */
+ constructor(modelService, selectElement, applyFunction) {
+ this.selectRect = {
+ x1: 0,
+ x2: 0,
+ y1: 0,
+ y2: 0
+ };
+ this.modelService = modelService;
+ this.selectElement = selectElement;
+ this.$canvasElement = $(this.modelService.canvasHtmlElement);
+ this.$scrollParent = $(scrollparent(this.modelService.canvasHtmlElement));
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ mousedown(e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && this.selectElement.hidden) {
+ this.selectElement.hidden = false;
+ /** @type {?} */
+ const offset = this.$canvasElement.offset();
+ this.selectRect.x1 = Math.round(e.pageX - offset.left);
+ this.selectRect.y1 = Math.round(e.pageY - offset.top);
+ this.selectRect.x2 = this.selectRect.x1;
+ this.selectRect.y2 = this.selectRect.y1;
+ this.updateSelectRect();
+ }
+ }
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ mousemove(e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && !this.selectElement.hidden) {
+ /** @type {?} */
+ const offset = this.$canvasElement.offset();
+ this.selectRect.x2 = Math.round(e.pageX - offset.left);
+ this.selectRect.y2 = Math.round(e.pageY - offset.top);
+ this.updateScroll(offset);
+ this.updateSelectRect();
+ }
+ }
+ /**
+ * @private
+ * @param {?} offset
+ * @return {?}
+ */
+ updateScroll(offset) {
+ /** @type {?} */
+ const rect = this.$scrollParent[0].getBoundingClientRect();
+ /** @type {?} */
+ const bottom = rect.bottom - offset.top;
+ /** @type {?} */
+ const right = rect.right - offset.left;
+ /** @type {?} */
+ const top = rect.top - offset.top;
+ /** @type {?} */
+ const left = rect.left - offset.left;
+ if (this.selectRect.y2 - top < 25) {
+ /** @type {?} */
+ const topScroll = 25 - (this.selectRect.y2 - top);
+ /** @type {?} */
+ const scroll = this.$scrollParent.scrollTop();
+ this.$scrollParent.scrollTop(scroll - topScroll);
+ }
+ else if (bottom - this.selectRect.y2 < 40) {
+ /** @type {?} */
+ const bottomScroll = 40 - (bottom - this.selectRect.y2);
+ /** @type {?} */
+ const scroll = this.$scrollParent.scrollTop();
+ this.$scrollParent.scrollTop(scroll + bottomScroll);
+ }
+ if (this.selectRect.x2 - left < 25) {
+ /** @type {?} */
+ const leftScroll = 25 - (this.selectRect.x2 - left);
+ /** @type {?} */
+ const scroll = this.$scrollParent.scrollLeft();
+ this.$scrollParent.scrollLeft(scroll - leftScroll);
+ }
+ else if (right - this.selectRect.x2 < 40) {
+ /** @type {?} */
+ const rightScroll = 40 - (right - this.selectRect.x2);
+ /** @type {?} */
+ const scroll = this.$scrollParent.scrollLeft();
+ this.$scrollParent.scrollLeft(scroll + rightScroll);
+ }
+ }
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ mouseup(e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && !this.selectElement.hidden) {
+ /** @type {?} */
+ const rectBox = (/** @type {?} */ (this.selectElement.getBoundingClientRect()));
+ this.selectElement.hidden = true;
+ this.selectObjects(rectBox);
+ }
+ }
+ /**
+ * @private
+ * @return {?}
+ */
+ updateSelectRect() {
+ /** @type {?} */
+ const x3 = Math.min(this.selectRect.x1, this.selectRect.x2);
+ /** @type {?} */
+ const x4 = Math.max(this.selectRect.x1, this.selectRect.x2);
+ /** @type {?} */
+ const y3 = Math.min(this.selectRect.y1, this.selectRect.y2);
+ /** @type {?} */
+ const y4 = Math.max(this.selectRect.y1, this.selectRect.y2);
+ this.selectElement.style.left = x3 + 'px';
+ this.selectElement.style.top = y3 + 'px';
+ this.selectElement.style.width = x4 - x3 + 'px';
+ this.selectElement.style.height = y4 - y3 + 'px';
+ }
+ /**
+ * @private
+ * @param {?} rectBox
+ * @return {?}
+ */
+ selectObjects(rectBox) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.modelService.selectAllInRect(rectBox);
+ }));
+ }
+}
+if (false) {
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.selectRect;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.selectElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.$canvasElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.$scrollParent;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.applyFunction;
+}
+//# 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{ FcModelService } from './model.service';\nimport { FcRectBox } from 'ngx-flowchart-dev';\nimport scrollparent from './scrollparent';\n\ninterface Rectangle {\n  x1: number;\n  x2: number;\n  y1: number;\n  y2: number;\n}\n\nexport class FcRectangleSelectService {\n\n  private readonly selectRect: Rectangle = {\n    x1: 0,\n    x2: 0,\n    y1: 0,\n    y2: 0\n  };\n\n  private readonly modelService: FcModelService;\n  private readonly selectElement: HTMLElement;\n  private readonly $canvasElement: JQuery<HTMLElement>;\n  private readonly $scrollParent: JQuery<HTMLElement>;\n  private readonly applyFunction: <T>(fn: (...args: any[]) => T) => T;\n\n  constructor(modelService: FcModelService,\n              selectElement: HTMLElement,\n              applyFunction: <T>(fn: (...args: any[]) => T) => T) {\n    this.modelService = modelService;\n    this.selectElement = selectElement;\n    this.$canvasElement = $(this.modelService.canvasHtmlElement);\n    this.$scrollParent = $(scrollparent(this.modelService.canvasHtmlElement));\n    this.applyFunction = applyFunction;\n  }\n\n  public mousedown(e: MouseEvent) {\n    if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n      && this.selectElement.hidden) {\n      this.selectElement.hidden = false;\n      const offset = this.$canvasElement.offset();\n      this.selectRect.x1 = Math.round(e.pageX - offset.left);\n      this.selectRect.y1 = Math.round(e.pageY - offset.top);\n      this.selectRect.x2 = this.selectRect.x1;\n      this.selectRect.y2 = this.selectRect.y1;\n      this.updateSelectRect();\n    }\n  }\n\n  public mousemove(e: MouseEvent) {\n    if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n      && !this.selectElement.hidden) {\n      const offset = this.$canvasElement.offset();\n      this.selectRect.x2 = Math.round(e.pageX - offset.left);\n      this.selectRect.y2 = Math.round(e.pageY - offset.top);\n      this.updateScroll(offset);\n      this.updateSelectRect();\n    }\n  }\n\n  private updateScroll(offset: JQuery.Coordinates) {\n    const rect = this.$scrollParent[0].getBoundingClientRect();\n    const bottom = rect.bottom - offset.top;\n    const right = rect.right - offset.left;\n    const top = rect.top - offset.top;\n    const left = rect.left - offset.left;\n    if (this.selectRect.y2 - top < 25) {\n      const topScroll = 25 - (this.selectRect.y2 - top);\n      const scroll = this.$scrollParent.scrollTop();\n      this.$scrollParent.scrollTop(scroll - topScroll);\n    } else if (bottom - this.selectRect.y2 < 40) {\n      const bottomScroll = 40 - (bottom - this.selectRect.y2);\n      const scroll = this.$scrollParent.scrollTop();\n      this.$scrollParent.scrollTop(scroll + bottomScroll);\n    }\n    if (this.selectRect.x2 - left < 25) {\n      const leftScroll = 25 - (this.selectRect.x2 - left);\n      const scroll = this.$scrollParent.scrollLeft();\n      this.$scrollParent.scrollLeft(scroll - leftScroll);\n    } else if (right - this.selectRect.x2 < 40) {\n      const rightScroll = 40 - (right - this.selectRect.x2);\n      const scroll = this.$scrollParent.scrollLeft();\n      this.$scrollParent.scrollLeft(scroll + rightScroll);\n    }\n  }\n\n  public mouseup(e: MouseEvent) {\n    if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n      && !this.selectElement.hidden) {\n      const rectBox = this.selectElement.getBoundingClientRect() as FcRectBox;\n      this.selectElement.hidden = true;\n      this.selectObjects(rectBox);\n    }\n  }\n\n  private updateSelectRect() {\n    const x3 = Math.min(this.selectRect.x1, this.selectRect.x2);\n    const x4 = Math.max(this.selectRect.x1, this.selectRect.x2);\n    const y3 = Math.min(this.selectRect.y1, this.selectRect.y2);\n    const y4 = Math.max(this.selectRect.y1, this.selectRect.y2);\n    this.selectElement.style.left = x3 + 'px';\n    this.selectElement.style.top = y3 + 'px';\n    this.selectElement.style.width = x4 - x3 + 'px';\n    this.selectElement.style.height = y4 - y3 + 'px';\n  }\n\n  private selectObjects(rectBox: FcRectBox) {\n    this.applyFunction(() => {\n      this.modelService.selectAllInRect(rectBox);\n    });\n  }\n\n}\n\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/lib/scrollparent.js b/dist/ngx-flowchart/esm2015/lib/scrollparent.js
new file mode 100644
index 0000000..d703790
--- /dev/null
+++ b/dist/ngx-flowchart/esm2015/lib/scrollparent.js
@@ -0,0 +1,37 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+/** @type {?} */
+const regex = /(auto|scroll)/;
+/** @type {?} */
+const style = (/**
+ * @param {?} node
+ * @param {?} prop
+ * @return {?}
+ */
+(node, prop) => getComputedStyle(node, null).getPropertyValue(prop));
+const ɵ0 = style;
+/** @type {?} */
+const scroll = (/**
+ * @param {?} node
+ * @return {?}
+ */
+(node) => regex.test(style(node, 'overflow') +
+ style(node, 'overflow-y') +
+ style(node, 'overflow-x')));
+const ɵ1 = scroll;
+/** @type {?} */
+const scrollparent = (/**
+ * @param {?} node
+ * @return {?}
+ */
+(node) => !node || node === document.body
+ ? document.body
+ : scroll(node)
+ ? node
+ : scrollparent((/** @type {?} */ (node.parentNode))));
+const ɵ2 = scrollparent;
+export default scrollparent;
+export { ɵ0, ɵ1, ɵ2 };
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/ngx-flowchart.js b/dist/ngx-flowchart/esm2015/ngx-flowchart.js
index 05edc6b..57d9d13 100644
--- a/dist/ngx-flowchart/esm2015/ngx-flowchart.js
+++ b/dist/ngx-flowchart/esm2015/ngx-flowchart.js
@@ -5,5 +5,11 @@
/**
* Generated bundle index. Do not edit.
*/
-export { NgxFlowchartService, NgxFlowchartComponent, NgxFlowchartModule } from './public-api';
-//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoibmd4LWZsb3djaGFydC5qcyIsInNvdXJjZVJvb3QiOiJuZzovL25neC1mbG93Y2hhcnQvIiwic291cmNlcyI6WyJuZ3gtZmxvd2NoYXJ0LnRzIl0sIm5hbWVzIjpbXSwibWFwcGluZ3MiOiI7Ozs7Ozs7QUFJQSwrRUFBYyxjQUFjLENBQUMiLCJzb3VyY2VzQ29udGVudCI6WyIvKipcbiAqIEdlbmVyYXRlZCBidW5kbGUgaW5kZXguIERvIG5vdCBlZGl0LlxuICovXG5cbmV4cG9ydCAqIGZyb20gJy4vcHVibGljLWFwaSc7XG4iXX0=
\ No newline at end of file
+export { FcNodeComponent, NgxFlowchartComponent, NgxFlowchartModule, fcTopSort, FC_NODE_COMPONENT_CONFIG, FlowchartConstants, ModelvalidationError } from './public-api';
+export { FcConnectorDirective as ɵf } from './lib/connector.directive';
+export { DefaultFcNodeComponent as ɵd } from './lib/default-node.component';
+export { FcEdgeDrawingService as ɵc } from './lib/edge-drawing.service';
+export { FcMagnetDirective as ɵe } from './lib/magnet.directive';
+export { FcModelValidationService as ɵb } from './lib/modelvalidation.service';
+export { FcNodeContainerComponent as ɵa } from './lib/node.component';
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm2015/public-api.js b/dist/ngx-flowchart/esm2015/public-api.js
index eab613d..bae0376 100644
--- a/dist/ngx-flowchart/esm2015/public-api.js
+++ b/dist/ngx-flowchart/esm2015/public-api.js
@@ -5,7 +5,8 @@
/*
* Public API Surface of ngx-flowchart
*/
-export { NgxFlowchartService } from './lib/ngx-flowchart.service';
export { NgxFlowchartComponent } from './lib/ngx-flowchart.component';
export { NgxFlowchartModule } from './lib/ngx-flowchart.module';
-//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
+export { fcTopSort, FC_NODE_COMPONENT_CONFIG, FlowchartConstants, ModelvalidationError } from './lib/ngx-flowchart.models';
+export { FcNodeComponent } from './lib/node.component';
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/connector.directive.js b/dist/ngx-flowchart/esm5/lib/connector.directive.js
new file mode 100644
index 0000000..8b34d76
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/connector.directive.js
@@ -0,0 +1,198 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import * as tslib_1 from "tslib";
+import { Directive, ElementRef, HostListener, Input } from '@angular/core';
+import { FlowchartConstants } from './ngx-flowchart.models';
+import { FcModelService } from './model.service';
+var FcConnectorDirective = /** @class */ (function () {
+ function FcConnectorDirective(elementRef) {
+ this.elementRef = elementRef;
+ }
+ /**
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.connectorClass);
+ if (this.modelservice.isEditable()) {
+ element.attr('draggable', 'true');
+ this.updateConnectorClass();
+ }
+ this.modelservice.connectors.setHtmlElement(this.connector.id, element[0]);
+ };
+ /**
+ * @param {?} changes
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.ngOnChanges = /**
+ * @param {?} changes
+ * @return {?}
+ */
+ function (changes) {
+ var e_1, _a;
+ /** @type {?} */
+ var updateConnector = false;
+ try {
+ for (var _b = tslib_1.__values(Object.keys(changes)), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var propName = _c.value;
+ /** @type {?} */
+ var change = changes[propName];
+ if (!change.firstChange && change.currentValue !== change.previousValue) {
+ if (propName === 'mouseOverConnector') {
+ updateConnector = true;
+ }
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ if (updateConnector && this.modelservice.isEditable()) {
+ this.updateConnectorClass();
+ }
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.updateConnectorClass = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ if (this.connector === this.mouseOverConnector) {
+ element.addClass(FlowchartConstants.hoverClass);
+ }
+ else {
+ element.removeClass(FlowchartConstants.hoverClass);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ // Skip - conflict with magnet
+ /* if (this.modelservice.isEditable()) {
+ return this.callbacks.edgeDragoverConnector(event, this.connector);
+ }*/
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ return this.callbacks.edgeDrop(event, this.connector);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.edgeDragend(event);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.dragstart = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.edgeDragstart(event, this.connector);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.mouseenter = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.connectorMouseEnter(event, this.connector);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.mouseleave = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.connectorMouseLeave(event, this.connector);
+ }
+ };
+ FcConnectorDirective.decorators = [
+ { type: Directive, args: [{
+ // tslint:disable-next-line:directive-selector
+ selector: '[fc-connector]'
+ },] }
+ ];
+ /** @nocollapse */
+ FcConnectorDirective.ctorParameters = function () { return [
+ { type: ElementRef }
+ ]; };
+ FcConnectorDirective.propDecorators = {
+ callbacks: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ connector: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }],
+ dragstart: [{ type: HostListener, args: ['dragstart', ['$event'],] }],
+ mouseenter: [{ type: HostListener, args: ['mouseenter', ['$event'],] }],
+ mouseleave: [{ type: HostListener, args: ['mouseleave', ['$event'],] }]
+ };
+ return FcConnectorDirective;
+}());
+export { FcConnectorDirective };
+if (false) {
+ /** @type {?} */
+ FcConnectorDirective.prototype.callbacks;
+ /** @type {?} */
+ FcConnectorDirective.prototype.modelservice;
+ /** @type {?} */
+ FcConnectorDirective.prototype.connector;
+ /** @type {?} */
+ FcConnectorDirective.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcConnectorDirective.prototype.elementRef;
+}
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/default-node.component.js b/dist/ngx-flowchart/esm5/lib/default-node.component.js
new file mode 100644
index 0000000..99758c0
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/default-node.component.js
@@ -0,0 +1,25 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import * as tslib_1 from "tslib";
+import { Component } from '@angular/core';
+import { FcNodeComponent } from './node.component';
+var DefaultFcNodeComponent = /** @class */ (function (_super) {
+ tslib_1.__extends(DefaultFcNodeComponent, _super);
+ function DefaultFcNodeComponent() {
+ return _super.call(this) || this;
+ }
+ DefaultFcNodeComponent.decorators = [
+ { type: Component, args: [{
+ selector: 'fc-default-node',
+ template: "\n
\n
\n
{{ node.name }}
\n\n
\n
\n
\n
\n \n
\n
\n ×\n
\n
\n",
+ styles: [":host .fc-node-overlay{position:absolute;pointer-events:none;left:0;top:0;right:0;bottom:0;background-color:#000;opacity:0}:host :host-context(.fc-hover) .fc-node-overlay{opacity:.25;transition:opacity .2s}:host :host-context(.fc-selected) .fc-node-overlay{opacity:.25}:host .innerNode{display:flex;justify-content:center;align-items:center;min-width:100px;border-radius:5px;background-color:#f15b26;color:#fff;font-size:16px;pointer-events:none}:host .innerNode p{padding:0 15px;text-align:center}"]
+ }] }
+ ];
+ /** @nocollapse */
+ DefaultFcNodeComponent.ctorParameters = function () { return []; };
+ return DefaultFcNodeComponent;
+}(FcNodeComponent));
+export { DefaultFcNodeComponent };
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/edge-dragging.service.js b/dist/ngx-flowchart/esm5/lib/edge-dragging.service.js
new file mode 100644
index 0000000..e1a1213
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/edge-dragging.service.js
@@ -0,0 +1,436 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import * as tslib_1 from "tslib";
+import { FlowchartConstants, ModelvalidationError } from './ngx-flowchart.models';
+var FcEdgeDraggingService = /** @class */ (function () {
+ function FcEdgeDraggingService(modelValidation, edgeDrawingService, modelService, model, isValidEdgeCallback, applyFunction, dragAnimation, edgeStyle) {
+ this.edgeDragging = {
+ isDragging: false,
+ dragPoint1: null,
+ dragPoint2: null,
+ shadowDragStarted: false
+ };
+ this.draggedEdgeSource = null;
+ this.dragOffset = {};
+ this.destinationHtmlElement = null;
+ this.oldDisplayStyle = '';
+ this.modelValidation = modelValidation;
+ this.edgeDrawingService = edgeDrawingService;
+ this.modelService = modelService;
+ this.model = model;
+ this.isValidEdgeCallback = isValidEdgeCallback || ((/**
+ * @return {?}
+ */
+ function () { return true; }));
+ this.applyFunction = applyFunction;
+ this.dragAnimation = dragAnimation;
+ this.edgeStyle = edgeStyle;
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragstart = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var e_1, _a;
+ var _this = this;
+ /** @type {?} */
+ var swapConnector;
+ /** @type {?} */
+ var dragLabel;
+ /** @type {?} */
+ var prevEdge;
+ if (connector.type === FlowchartConstants.leftConnectorType) {
+ var _loop_1 = function (edge) {
+ if (edge === connector.id) {
+ swapConnector = this_1.modelService.connectors.getConnector(edge.source);
+ dragLabel = edge.label;
+ prevEdge = edge;
+ this_1.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.modelService.edges.delete(edge);
+ }));
+ return "break";
+ }
+ };
+ var this_1 = this;
+ try {
+ for (var _b = tslib_1.__values(this.model.edges), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var edge = _c.value;
+ var state_1 = _loop_1(edge);
+ if (state_1 === "break")
+ break;
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ }
+ this.edgeDragging.isDragging = true;
+ if (swapConnector !== undefined) {
+ this.draggedEdgeSource = swapConnector;
+ this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(swapConnector.id);
+ this.edgeDragging.dragLabel = dragLabel;
+ this.edgeDragging.prevEdge = prevEdge;
+ }
+ else {
+ this.draggedEdgeSource = connector;
+ this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(connector.id);
+ }
+ /** @type {?} */
+ var canvas = this.modelService.canvasHtmlElement;
+ if (!canvas) {
+ throw new Error('No canvas while edgedraggingService found.');
+ }
+ this.dragOffset.x = -canvas.getBoundingClientRect().left;
+ this.dragOffset.y = -canvas.getBoundingClientRect().top;
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ /** @type {?} */
+ var originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ originalEvent.dataTransfer.setData('Text', 'Just to support firefox');
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ this.destinationHtmlElement = (/** @type {?} */ (event.target));
+ this.oldDisplayStyle = this.destinationHtmlElement.style.display;
+ this.destinationHtmlElement.style.display = 'none';
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.shadowDragStarted = true;
+ }
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.edgeDragging.gElement === undefined) {
+ this.edgeDragging.gElement = $(document.querySelectorAll('.shadow-svg-class'));
+ this.edgeDragging.pathElement = $(document.querySelectorAll('.shadow-svg-class')).find('path');
+ this.edgeDragging.circleElement = $(document.querySelectorAll('.shadow-svg-class')).find('circle');
+ }
+ this.edgeDragging.gElement.css('display', 'block');
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ }
+ event.stopPropagation();
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (this.edgeDragging.isDragging) {
+ if (!this.edgeDragging.magnetActive && this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.destinationHtmlElement !== null) {
+ this.destinationHtmlElement.style.display = this.oldDisplayStyle;
+ }
+ if (this.edgeDragging.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.edgeDragging.shadowDragStarted = false;
+ }));
+ }
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ if (_this.destinationHtmlElement !== null) {
+ _this.destinationHtmlElement.style.display = _this.oldDisplayStyle;
+ }
+ _this.edgeDragging.dragPoint2 = {
+ x: event.clientX + _this.dragOffset.x,
+ y: event.clientY + _this.dragOffset.y
+ };
+ }));
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragoverConnector = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ if (this.edgeDragging.isDragging) {
+ this.dragover(event);
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: connector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragleaveMagnet = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.edgeDragging.magnetActive = false;
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragoverMagnet = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var _this = this;
+ if (this.edgeDragging.isDragging) {
+ this.dragover(event);
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: connector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.magnetActive = true;
+ this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.edgeDragging.dragPoint2 = _this.modelService.connectors.getCenteredCoord(connector.id);
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }));
+ }
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (this.edgeDragging.isDragging) {
+ this.edgeDragging.isDragging = false;
+ this.edgeDragging.dragPoint1 = null;
+ this.edgeDragging.dragPoint2 = null;
+ this.edgeDragging.dragLabel = null;
+ event.stopPropagation();
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.gElement.css('display', 'none');
+ }
+ if (this.edgeDragging.prevEdge) {
+ /** @type {?} */
+ var edge_1 = this.edgeDragging.prevEdge;
+ this.edgeDragging.prevEdge = null;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.modelService.edges.putEdge(edge_1);
+ }));
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} targetConnector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.drop = /**
+ * @param {?} event
+ * @param {?} targetConnector
+ * @return {?}
+ */
+ function (event, targetConnector) {
+ if (this.edgeDragging.isDragging) {
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: targetConnector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, targetConnector)) {
+ this.edgeDragging.prevEdge = null;
+ this.modelService.edges._addEdge(event, this.draggedEdgeSource, targetConnector, this.edgeDragging.dragLabel);
+ event.stopPropagation();
+ event.preventDefault();
+ return false;
+ }
+ }
+ };
+ return FcEdgeDraggingService;
+}());
+export { FcEdgeDraggingService };
+if (false) {
+ /** @type {?} */
+ FcEdgeDraggingService.prototype.edgeDragging;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.draggedEdgeSource;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.dragOffset;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.destinationHtmlElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.oldDisplayStyle;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.modelValidation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.edgeDrawingService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.model;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.isValidEdgeCallback;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.applyFunction;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.dragAnimation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.edgeStyle;
+}
+/**
+ * @record
+ */
+export function EdgeDragging() { }
+if (false) {
+ /** @type {?} */
+ EdgeDragging.prototype.isDragging;
+ /** @type {?} */
+ EdgeDragging.prototype.shadowDragStarted;
+ /** @type {?} */
+ EdgeDragging.prototype.dragPoint1;
+ /** @type {?} */
+ EdgeDragging.prototype.dragPoint2;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.dragLabel;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.prevEdge;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.magnetActive;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.gElement;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.pathElement;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.circleElement;
+}
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{ FcModelService } from './model.service';\nimport { FcConnector, FcCoords, FcEdge, FcModel, FlowchartConstants, ModelvalidationError } from './ngx-flowchart.models';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcModelValidationService } from './modelvalidation.service';\n\nexport class FcEdgeDraggingService {\n\n  edgeDragging: EdgeDragging = {\n    isDragging: false,\n    dragPoint1: null,\n    dragPoint2: null,\n    shadowDragStarted: false\n  };\n\n  private draggedEdgeSource: FcConnector = null;\n  private dragOffset: FcCoords = {};\n  private destinationHtmlElement: HTMLElement = null;\n  private oldDisplayStyle = '';\n\n  private readonly modelValidation: FcModelValidationService;\n  private readonly edgeDrawingService: FcEdgeDrawingService;\n  private readonly modelService: FcModelService;\n  private readonly model: FcModel;\n  private readonly isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean;\n  private readonly applyFunction: <T>(fn: (...args: any[]) => T) => T;\n  private readonly dragAnimation: string;\n  private readonly edgeStyle: string;\n\n  constructor(modelValidation: FcModelValidationService,\n              edgeDrawingService: FcEdgeDrawingService,\n              modelService: FcModelService,\n              model: FcModel,\n              isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean,\n              applyFunction: <T>(fn: (...args: any[]) => T) => T,\n              dragAnimation: string,\n              edgeStyle: string) {\n    this.modelValidation = modelValidation;\n    this.edgeDrawingService = edgeDrawingService;\n    this.modelService = modelService;\n    this.model = model;\n    this.isValidEdgeCallback = isValidEdgeCallback || (() => true);\n    this.applyFunction = applyFunction;\n    this.dragAnimation = dragAnimation;\n    this.edgeStyle = edgeStyle;\n  }\n\n  public dragstart(event: DragEvent, connector: FcConnector) {\n    let swapConnector: FcConnector;\n    let dragLabel: string;\n    let prevEdge: FcEdge;\n    if (connector.type === FlowchartConstants.leftConnectorType) {\n      for (const edge of this.model.edges) {\n        if (edge === connector.id) {\n          swapConnector = this.modelService.connectors.getConnector(edge.source);\n          dragLabel = edge.label;\n          prevEdge = edge;\n          this.applyFunction(() => {\n            this.modelService.edges.delete(edge);\n          });\n          break;\n        }\n      }\n    }\n    this.edgeDragging.isDragging = true;\n    if (swapConnector !== undefined) {\n      this.draggedEdgeSource = swapConnector;\n      this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(swapConnector.id);\n      this.edgeDragging.dragLabel = dragLabel;\n      this.edgeDragging.prevEdge = prevEdge;\n    } else {\n      this.draggedEdgeSource = connector;\n      this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(connector.id);\n    }\n    const canvas = this.modelService.canvasHtmlElement;\n    if (!canvas) {\n      throw new Error('No canvas while edgedraggingService found.');\n    }\n    this.dragOffset.x = -canvas.getBoundingClientRect().left;\n    this.dragOffset.y = -canvas.getBoundingClientRect().top;\n\n    this.edgeDragging.dragPoint2 = {\n      x: event.clientX + this.dragOffset.x,\n      y: event.clientY + this.dragOffset.y\n    };\n    const originalEvent: DragEvent = (event as any).originalEvent || event;\n\n    originalEvent.dataTransfer.setData('Text', 'Just to support firefox');\n    if (originalEvent.dataTransfer.setDragImage) {\n      originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n    } else {\n      this.destinationHtmlElement = event.target as HTMLElement;\n      this.oldDisplayStyle = this.destinationHtmlElement.style.display;\n      this.destinationHtmlElement.style.display = 'none';\n      if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n        this.edgeDragging.shadowDragStarted = true;\n      }\n    }\n    if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n      if (this.edgeDragging.gElement === undefined) {\n        this.edgeDragging.gElement = $(document.querySelectorAll('.shadow-svg-class'));\n        this.edgeDragging.pathElement = $(document.querySelectorAll('.shadow-svg-class')).find('path');\n        this.edgeDragging.circleElement = $(document.querySelectorAll('.shadow-svg-class')).find('circle');\n      }\n\n      this.edgeDragging.gElement.css('display', 'block');\n      this.edgeDragging.pathElement.attr('d',\n        this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n      this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n      this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n    }\n    event.stopPropagation();\n  }\n\n  public dragover(event: DragEvent) {\n    if (this.edgeDragging.isDragging) {\n      if (!this.edgeDragging.magnetActive && this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n        if (this.destinationHtmlElement !== null) {\n          this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n        }\n\n        if (this.edgeDragging.shadowDragStarted) {\n          this.applyFunction(() => {\n            this.edgeDragging.shadowDragStarted = false;\n          });\n        }\n\n        this.edgeDragging.dragPoint2 = {\n          x: event.clientX + this.dragOffset.x,\n          y: event.clientY + this.dragOffset.y\n        };\n\n        this.edgeDragging.pathElement.attr('d',\n          this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n        this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n        this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n      } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n        return this.applyFunction(() => {\n          if (this.destinationHtmlElement !== null) {\n            this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n          }\n\n          this.edgeDragging.dragPoint2 = {\n            x: event.clientX + this.dragOffset.x,\n            y: event.clientY + this.dragOffset.y\n          };\n        });\n      }\n    }\n  }\n\n  public dragoverConnector(event: DragEvent, connector: FcConnector): boolean {\n    if (this.edgeDragging.isDragging) {\n      this.dragover(event);\n      try {\n        this.modelValidation.validateEdges(this.model.edges.concat([{\n          source: this.draggedEdgeSource.id,\n          destination: connector.id\n        }]), this.model.nodes);\n      } catch (error) {\n        if (error instanceof ModelvalidationError) {\n          return true;\n        } else {\n          throw error;\n        }\n      }\n      if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n        event.preventDefault();\n        event.stopPropagation();\n        return false;\n      }\n    }\n  }\n\n  public dragleaveMagnet(event: DragEvent) {\n    this.edgeDragging.magnetActive = false;\n  }\n\n  public dragoverMagnet(event: DragEvent, connector: FcConnector): boolean {\n    if (this.edgeDragging.isDragging) {\n      this.dragover(event);\n      try {\n        this.modelValidation.validateEdges(this.model.edges.concat([{\n          source: this.draggedEdgeSource.id,\n          destination: connector.id\n        }]), this.model.nodes);\n      } catch (error) {\n        if (error instanceof ModelvalidationError) {\n          return true;\n        } else {\n          throw error;\n        }\n      }\n      if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n        if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n\n          this.edgeDragging.magnetActive = true;\n\n          this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n          this.edgeDragging.pathElement.attr('d',\n            this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n          this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n          this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n          event.preventDefault();\n          event.stopPropagation();\n          return false;\n        } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n          return this.applyFunction(() => {\n            this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n            event.preventDefault();\n            event.stopPropagation();\n            return false;\n          });\n        }\n      }\n    }\n  }\n\n  public dragend(event: DragEvent) {\n    if (this.edgeDragging.isDragging) {\n      this.edgeDragging.isDragging = false;\n      this.edgeDragging.dragPoint1 = null;\n      this.edgeDragging.dragPoint2 = null;\n      this.edgeDragging.dragLabel = null;\n      event.stopPropagation();\n\n      if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n        this.edgeDragging.gElement.css('display', 'none');\n      }\n      if (this.edgeDragging.prevEdge) {\n        const edge = this.edgeDragging.prevEdge;\n        this.edgeDragging.prevEdge = null;\n        this.applyFunction(() => {\n          this.modelService.edges.putEdge(edge);\n        });\n      }\n    }\n  }\n\n  public drop(event: DragEvent, targetConnector: FcConnector): boolean {\n    if (this.edgeDragging.isDragging) {\n      try {\n        this.modelValidation.validateEdges(this.model.edges.concat([{\n          source: this.draggedEdgeSource.id,\n          destination: targetConnector.id\n        }]), this.model.nodes);\n      } catch (error) {\n        if (error instanceof ModelvalidationError) {\n          return true;\n        } else {\n          throw error;\n        }\n      }\n\n      if (this.isValidEdgeCallback(this.draggedEdgeSource, targetConnector)) {\n        this.edgeDragging.prevEdge = null;\n        this.modelService.edges._addEdge(event, this.draggedEdgeSource, targetConnector, this.edgeDragging.dragLabel);\n        event.stopPropagation();\n        event.preventDefault();\n        return false;\n      }\n    }\n  }\n}\n\nexport interface EdgeDragging {\n  isDragging: boolean;\n  shadowDragStarted: boolean;\n  dragPoint1: FcCoords;\n  dragPoint2: FcCoords;\n  dragLabel?: string;\n  prevEdge?: FcEdge;\n  magnetActive?: boolean;\n  gElement?: JQuery<Element>;\n  pathElement?: JQuery<Element>;\n  circleElement?: JQuery<Element>;\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/edge-drawing.service.js b/dist/ngx-flowchart/esm5/lib/edge-drawing.service.js
new file mode 100644
index 0000000..65b8308
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/edge-drawing.service.js
@@ -0,0 +1,112 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { Injectable } from '@angular/core';
+import { FlowchartConstants } from './ngx-flowchart.models';
+var FcEdgeDrawingService = /** @class */ (function () {
+ function FcEdgeDrawingService() {
+ }
+ /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @param {?} style
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.getEdgeDAttribute = /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @param {?} style
+ * @return {?}
+ */
+ function (pt1, pt2, style) {
+ /** @type {?} */
+ var dAddribute = "M " + pt1.x + ", " + pt1.y + " ";
+ if (style === FlowchartConstants.curvedStyle) {
+ /** @type {?} */
+ var sourceTangent = this.computeEdgeSourceTangent(pt1, pt2);
+ /** @type {?} */
+ var destinationTangent = this.computeEdgeDestinationTangent(pt1, pt2);
+ dAddribute += "C " + sourceTangent.x + ", " + sourceTangent.y + " " + (destinationTangent.x - 50) + ", " + destinationTangent.y + " " + pt2.x + ", " + pt2.y;
+ }
+ else {
+ dAddribute += "L " + pt2.x + ", " + pt2.y;
+ }
+ return dAddribute;
+ };
+ /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.getEdgeCenter = /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return {
+ x: (pt1.x + pt2.x) / 2,
+ y: (pt1.y + pt2.y) / 2
+ };
+ };
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.computeEdgeTangentOffset = /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return (pt2.y - pt1.y) / 2;
+ };
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.computeEdgeSourceTangent = /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return {
+ x: pt1.x,
+ y: pt1.y + this.computeEdgeTangentOffset(pt1, pt2)
+ };
+ };
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.computeEdgeDestinationTangent = /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return {
+ x: pt2.x,
+ y: pt2.y - this.computeEdgeTangentOffset(pt1, pt2)
+ };
+ };
+ FcEdgeDrawingService.decorators = [
+ { type: Injectable }
+ ];
+ /** @nocollapse */
+ FcEdgeDrawingService.ctorParameters = function () { return []; };
+ return FcEdgeDrawingService;
+}());
+export { FcEdgeDrawingService };
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/magnet.directive.js b/dist/ngx-flowchart/esm5/lib/magnet.directive.js
new file mode 100644
index 0000000..17612d1
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/magnet.directive.js
@@ -0,0 +1,95 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { Directive, ElementRef, HostListener, Input } from '@angular/core';
+import { FlowchartConstants } from './ngx-flowchart.models';
+var FcMagnetDirective = /** @class */ (function () {
+ function FcMagnetDirective(elementRef) {
+ this.elementRef = elementRef;
+ }
+ /**
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.magnetClass);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ return this.callbacks.edgeDragoverMagnet(event, this.connector);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.dragleave = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.callbacks.edgeDragleaveMagnet(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ return this.callbacks.edgeDrop(event, this.connector);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.callbacks.edgeDragend(event);
+ };
+ FcMagnetDirective.decorators = [
+ { type: Directive, args: [{
+ // tslint:disable-next-line:directive-selector
+ selector: '[fc-magnet]'
+ },] }
+ ];
+ /** @nocollapse */
+ FcMagnetDirective.ctorParameters = function () { return [
+ { type: ElementRef }
+ ]; };
+ FcMagnetDirective.propDecorators = {
+ callbacks: [{ type: Input }],
+ connector: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ dragleave: [{ type: HostListener, args: ['dragleave', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }]
+ };
+ return FcMagnetDirective;
+}());
+export { FcMagnetDirective };
+if (false) {
+ /** @type {?} */
+ FcMagnetDirective.prototype.callbacks;
+ /** @type {?} */
+ FcMagnetDirective.prototype.connector;
+ /** @type {?} */
+ FcMagnetDirective.prototype.elementRef;
+}
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/model.service.js b/dist/ngx-flowchart/esm5/lib/model.service.js
new file mode 100644
index 0000000..5095f1e
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/model.service.js
@@ -0,0 +1,1016 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import * as tslib_1 from "tslib";
+import { of } from 'rxjs';
+var FcModelService = /** @class */ (function () {
+ function FcModelService(modelValidation, model, cd, selectedObjects, dropNode, createEdge, edgeAddedCallback, nodeRemovedCallback, edgeRemovedCallback, canvasHtmlElement, svgHtmlElement) {
+ this.connectorsHtmlElements = {};
+ this.nodesHtmlElements = {};
+ this.canvasHtmlElement = null;
+ this.dragImage = null;
+ this.svgHtmlElement = null;
+ this.modelValidation = modelValidation;
+ this.model = model;
+ this.cd = cd;
+ this.canvasHtmlElement = canvasHtmlElement;
+ this.svgHtmlElement = svgHtmlElement;
+ this.modelValidation.validateModel(this.model);
+ this.selectedObjects = selectedObjects;
+ this.dropNode = dropNode || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.createEdge = createEdge || ((/**
+ * @return {?}
+ */
+ function () { return of({ label: 'label' }); }));
+ this.edgeAddedCallback = edgeAddedCallback || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.nodeRemovedCallback = nodeRemovedCallback || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.edgeRemovedCallback = edgeRemovedCallback || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.connectors = new ConnectorsModel(this);
+ this.nodes = new NodesModel(this);
+ this.edges = new EdgesModel(this);
+ }
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.detectChanges = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ setTimeout((/**
+ * @return {?}
+ */
+ function () {
+ _this.cd.detectChanges();
+ }), 0);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.selectObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ if (this.isEditable()) {
+ if (this.selectedObjects.indexOf(object) === -1) {
+ this.selectedObjects.push(object);
+ }
+ }
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.deselectObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ if (this.isEditable()) {
+ /** @type {?} */
+ var index = this.selectedObjects.indexOf(object);
+ if (index === -1) {
+ throw new Error('Tried to deselect an unselected object');
+ }
+ this.selectedObjects.splice(index, 1);
+ }
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.toggleSelectedObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ if (this.isSelectedObject(object)) {
+ this.deselectObject(object);
+ }
+ else {
+ this.selectObject(object);
+ }
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.isSelectedObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.selectedObjects.indexOf(object) !== -1;
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.selectAll = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ this.model.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ if (!node.readonly) {
+ _this.nodes.select(node);
+ }
+ }));
+ this.model.edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ _this.edges.select(edge);
+ }));
+ this.detectChanges();
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.deselectAll = /**
+ * @return {?}
+ */
+ function () {
+ this.selectedObjects.splice(0, this.selectedObjects.length);
+ this.detectChanges();
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.isEditObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.selectedObjects.length === 1 &&
+ this.selectedObjects.indexOf(object) !== -1;
+ };
+ /**
+ * @private
+ * @param {?} x
+ * @param {?} y
+ * @param {?} rectBox
+ * @return {?}
+ */
+ FcModelService.prototype.inRectBox = /**
+ * @private
+ * @param {?} x
+ * @param {?} y
+ * @param {?} rectBox
+ * @return {?}
+ */
+ function (x, y, rectBox) {
+ return x >= rectBox.left && x <= rectBox.right &&
+ y >= rectBox.top && y <= rectBox.bottom;
+ };
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ FcModelService.prototype.getItemInfoAtPoint = /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ function (x, y) {
+ return {
+ node: this.getNodeAtPoint(x, y),
+ edge: this.getEdgeAtPoint(x, y)
+ };
+ };
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ FcModelService.prototype.getNodeAtPoint = /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ function (x, y) {
+ var e_1, _a;
+ try {
+ for (var _b = tslib_1.__values(this.model.nodes), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var node = _c.value;
+ /** @type {?} */
+ var element = this.nodes.getHtmlElement(node.id);
+ /** @type {?} */
+ var nodeElementBox = element.getBoundingClientRect();
+ if (x >= nodeElementBox.left && x <= nodeElementBox.right
+ && y >= nodeElementBox.top && y <= nodeElementBox.bottom) {
+ return node;
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ return null;
+ };
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ FcModelService.prototype.getEdgeAtPoint = /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ function (x, y) {
+ /** @type {?} */
+ var element = document.elementFromPoint(x, y);
+ /** @type {?} */
+ var id = element.id;
+ /** @type {?} */
+ var edgeIndex = -1;
+ if (id) {
+ if (id.startsWith('fc-edge-path-')) {
+ edgeIndex = Number(id.substring('fc-edge-path-'.length));
+ }
+ else if (id.startsWith('fc-edge-label-')) {
+ edgeIndex = Number(id.substring('fc-edge-label-'.length));
+ }
+ }
+ if (edgeIndex > -1) {
+ return this.model.edges[edgeIndex];
+ }
+ return null;
+ };
+ /**
+ * @param {?} rectBox
+ * @return {?}
+ */
+ FcModelService.prototype.selectAllInRect = /**
+ * @param {?} rectBox
+ * @return {?}
+ */
+ function (rectBox) {
+ var _this = this;
+ this.model.nodes.forEach((/**
+ * @param {?} value
+ * @return {?}
+ */
+ function (value) {
+ /** @type {?} */
+ var element = _this.nodes.getHtmlElement(value.id);
+ /** @type {?} */
+ var nodeElementBox = element.getBoundingClientRect();
+ if (!value.readonly) {
+ /** @type {?} */
+ var x = nodeElementBox.left + nodeElementBox.width / 2;
+ /** @type {?} */
+ var y = nodeElementBox.top + nodeElementBox.height / 2;
+ if (_this.inRectBox(x, y, rectBox)) {
+ _this.nodes.select(value);
+ }
+ else {
+ if (_this.nodes.isSelected(value)) {
+ _this.nodes.deselect(value);
+ }
+ }
+ }
+ }));
+ /** @type {?} */
+ var canvasElementBox = this.canvasHtmlElement.getBoundingClientRect();
+ this.model.edges.forEach((/**
+ * @param {?} value
+ * @return {?}
+ */
+ function (value) {
+ /** @type {?} */
+ var start = _this.edges.sourceCoord(value);
+ /** @type {?} */
+ var end = _this.edges.destCoord(value);
+ /** @type {?} */
+ var x = (start.x + end.x) / 2 + canvasElementBox.left;
+ /** @type {?} */
+ var y = (start.y + end.y) / 2 + canvasElementBox.top;
+ if (_this.inRectBox(x, y, rectBox)) {
+ _this.edges.select(value);
+ }
+ else {
+ if (_this.edges.isSelected(value)) {
+ _this.edges.deselect(value);
+ }
+ }
+ }));
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.deleteSelected = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ /** @type {?} */
+ var edgesToDelete = this.edges.getSelectedEdges();
+ edgesToDelete.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ _this.edges.delete(edge);
+ }));
+ /** @type {?} */
+ var nodesToDelete = this.nodes.getSelectedNodes();
+ nodesToDelete.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ _this.nodes.delete(node);
+ }));
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.isEditable = /**
+ * @return {?}
+ */
+ function () {
+ return this.dropTargetId === undefined;
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.isDropSource = /**
+ * @return {?}
+ */
+ function () {
+ return this.dropTargetId !== undefined;
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.getDragImage = /**
+ * @return {?}
+ */
+ function () {
+ if (!this.dragImage) {
+ this.dragImage = new Image();
+ this.dragImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
+ this.dragImage.style.visibility = 'hidden';
+ }
+ return this.dragImage;
+ };
+ /**
+ * @param {?} edgeAddedCallback
+ * @param {?} nodeRemovedCallback
+ * @param {?} edgeRemovedCallback
+ * @return {?}
+ */
+ FcModelService.prototype.registerCallbacks = /**
+ * @param {?} edgeAddedCallback
+ * @param {?} nodeRemovedCallback
+ * @param {?} edgeRemovedCallback
+ * @return {?}
+ */
+ function (edgeAddedCallback, nodeRemovedCallback, edgeRemovedCallback) {
+ this.edgeAddedCallback = edgeAddedCallback;
+ this.nodeRemovedCallback = nodeRemovedCallback;
+ this.edgeRemovedCallback = edgeRemovedCallback;
+ };
+ return FcModelService;
+}());
+export { FcModelService };
+if (false) {
+ /** @type {?} */
+ FcModelService.prototype.modelValidation;
+ /** @type {?} */
+ FcModelService.prototype.model;
+ /** @type {?} */
+ FcModelService.prototype.cd;
+ /** @type {?} */
+ FcModelService.prototype.selectedObjects;
+ /** @type {?} */
+ FcModelService.prototype.connectorsHtmlElements;
+ /** @type {?} */
+ FcModelService.prototype.nodesHtmlElements;
+ /** @type {?} */
+ FcModelService.prototype.canvasHtmlElement;
+ /** @type {?} */
+ FcModelService.prototype.dragImage;
+ /** @type {?} */
+ FcModelService.prototype.svgHtmlElement;
+ /** @type {?} */
+ FcModelService.prototype.dropNode;
+ /** @type {?} */
+ FcModelService.prototype.createEdge;
+ /** @type {?} */
+ FcModelService.prototype.edgeAddedCallback;
+ /** @type {?} */
+ FcModelService.prototype.nodeRemovedCallback;
+ /** @type {?} */
+ FcModelService.prototype.edgeRemovedCallback;
+ /** @type {?} */
+ FcModelService.prototype.dropTargetId;
+ /** @type {?} */
+ FcModelService.prototype.connectors;
+ /** @type {?} */
+ FcModelService.prototype.nodes;
+ /** @type {?} */
+ FcModelService.prototype.edges;
+}
+/**
+ * @record
+ */
+function HtmlElementMap() { }
+/**
+ * @abstract
+ * @template T
+ */
+var /**
+ * @abstract
+ * @template T
+ */
+AbstractFcModel = /** @class */ (function () {
+ function AbstractFcModel(modelService) {
+ this.modelService = modelService;
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.select = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ this.modelService.selectObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.deselect = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ this.modelService.deselectObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.toggleSelected = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ this.modelService.toggleSelectedObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.isSelected = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.modelService.isSelectedObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.isEdit = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.modelService.isEditObject(object);
+ };
+ return AbstractFcModel;
+}());
+if (false) {
+ /** @type {?} */
+ AbstractFcModel.prototype.modelService;
+}
+var ConnectorsModel = /** @class */ (function (_super) {
+ tslib_1.__extends(ConnectorsModel, _super);
+ function ConnectorsModel(modelService) {
+ return _super.call(this, modelService) || this;
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getConnector = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ var e_2, _a, e_3, _b;
+ /** @type {?} */
+ var model = this.modelService.model;
+ try {
+ for (var _c = tslib_1.__values(model.nodes), _d = _c.next(); !_d.done; _d = _c.next()) {
+ var node = _d.value;
+ try {
+ for (var _e = (e_3 = void 0, tslib_1.__values(node.connectors)), _f = _e.next(); !_f.done; _f = _e.next()) {
+ var connector = _f.value;
+ if (connector.id === connectorId) {
+ return connector;
+ }
+ }
+ }
+ catch (e_3_1) { e_3 = { error: e_3_1 }; }
+ finally {
+ try {
+ if (_f && !_f.done && (_b = _e.return)) _b.call(_e);
+ }
+ finally { if (e_3) throw e_3.error; }
+ }
+ }
+ }
+ catch (e_2_1) { e_2 = { error: e_2_1 }; }
+ finally {
+ try {
+ if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
+ }
+ finally { if (e_2) throw e_2.error; }
+ }
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getHtmlElement = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ return this.modelService.connectorsHtmlElements[connectorId];
+ };
+ /**
+ * @param {?} connectorId
+ * @param {?} element
+ * @return {?}
+ */
+ ConnectorsModel.prototype.setHtmlElement = /**
+ * @param {?} connectorId
+ * @param {?} element
+ * @return {?}
+ */
+ function (connectorId, element) {
+ this.modelService.connectorsHtmlElements[connectorId] = element;
+ this.modelService.detectChanges();
+ };
+ /**
+ * @private
+ * @param {?} connectorId
+ * @param {?=} centered
+ * @return {?}
+ */
+ ConnectorsModel.prototype._getCoords = /**
+ * @private
+ * @param {?} connectorId
+ * @param {?=} centered
+ * @return {?}
+ */
+ function (connectorId, centered) {
+ /** @type {?} */
+ var element = this.getHtmlElement(connectorId);
+ /** @type {?} */
+ var canvas = this.modelService.canvasHtmlElement;
+ if (element === null || element === undefined || canvas === null) {
+ return { x: 0, y: 0 };
+ }
+ /** @type {?} */
+ var connectorElementBox = element.getBoundingClientRect();
+ /** @type {?} */
+ var canvasElementBox = canvas.getBoundingClientRect();
+ /** @type {?} */
+ var coords = {
+ x: connectorElementBox.left - canvasElementBox.left,
+ y: connectorElementBox.top - canvasElementBox.top
+ };
+ if (centered) {
+ coords = {
+ x: Math.round(coords.x + element.offsetWidth / 2),
+ y: Math.round(coords.y + element.offsetHeight / 2)
+ };
+ }
+ return coords;
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getCoords = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ return this._getCoords(connectorId, false);
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getCenteredCoord = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ return this._getCoords(connectorId, true);
+ };
+ return ConnectorsModel;
+}(AbstractFcModel));
+var NodesModel = /** @class */ (function (_super) {
+ tslib_1.__extends(NodesModel, _super);
+ function NodesModel(modelService) {
+ return _super.call(this, modelService) || this;
+ }
+ /**
+ * @param {?} node
+ * @param {?} type
+ * @return {?}
+ */
+ NodesModel.prototype.getConnectorsByType = /**
+ * @param {?} node
+ * @param {?} type
+ * @return {?}
+ */
+ function (node, type) {
+ return node.connectors.filter((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.type === type;
+ }));
+ };
+ /**
+ * @private
+ * @param {?} node
+ * @param {?} connector
+ * @return {?}
+ */
+ NodesModel.prototype._addConnector = /**
+ * @private
+ * @param {?} node
+ * @param {?} connector
+ * @return {?}
+ */
+ function (node, connector) {
+ node.connectors.push(connector);
+ try {
+ this.modelService.modelValidation.validateNode(node);
+ }
+ catch (error) {
+ node.connectors.splice(node.connectors.indexOf(connector), 1);
+ throw error;
+ }
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ NodesModel.prototype.delete = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ if (this.isSelected(node)) {
+ this.deselect(node);
+ }
+ /** @type {?} */
+ var model = this.modelService.model;
+ /** @type {?} */
+ var index = model.nodes.indexOf(node);
+ if (index === -1) {
+ if (node === undefined) {
+ throw new Error('Passed undefined');
+ }
+ throw new Error('Tried to delete not existing node');
+ }
+ /** @type {?} */
+ var connectorIds = this.getConnectorIds(node);
+ for (var i = 0; i < model.edges.length; i++) {
+ /** @type {?} */
+ var edge = model.edges[i];
+ if (connectorIds.indexOf(edge.source) !== -1 || connectorIds.indexOf(edge.destination) !== -1) {
+ this.modelService.edges.delete(edge);
+ i--;
+ }
+ }
+ model.nodes.splice(index, 1);
+ this.modelService.nodeRemovedCallback(node);
+ };
+ /**
+ * @return {?}
+ */
+ NodesModel.prototype.getSelectedNodes = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ /** @type {?} */
+ var model = this.modelService.model;
+ return model.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return _this.modelService.nodes.isSelected(node);
+ }));
+ };
+ /**
+ * @param {?} node
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ NodesModel.prototype.handleClicked = /**
+ * @param {?} node
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ function (node, ctrlKey) {
+ if (ctrlKey) {
+ this.modelService.nodes.toggleSelected(node);
+ }
+ else {
+ this.modelService.deselectAll();
+ this.modelService.nodes.select(node);
+ }
+ };
+ /**
+ * @private
+ * @param {?} node
+ * @return {?}
+ */
+ NodesModel.prototype._addNode = /**
+ * @private
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ /** @type {?} */
+ var model = this.modelService.model;
+ try {
+ model.nodes.push(node);
+ this.modelService.modelValidation.validateNodes(model.nodes);
+ }
+ catch (error) {
+ model.nodes.splice(model.nodes.indexOf(node), 1);
+ throw error;
+ }
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ NodesModel.prototype.getConnectorIds = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return node.connectors.map((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.id;
+ }));
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ NodesModel.prototype.getNodeByConnectorId = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ var e_4, _a;
+ /** @type {?} */
+ var model = this.modelService.model;
+ try {
+ for (var _b = tslib_1.__values(model.nodes), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var node = _c.value;
+ /** @type {?} */
+ var connectorIds = this.getConnectorIds(node);
+ if (connectorIds.indexOf(connectorId) > -1) {
+ return node;
+ }
+ }
+ }
+ catch (e_4_1) { e_4 = { error: e_4_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_4) throw e_4.error; }
+ }
+ return null;
+ };
+ /**
+ * @param {?} nodeId
+ * @return {?}
+ */
+ NodesModel.prototype.getHtmlElement = /**
+ * @param {?} nodeId
+ * @return {?}
+ */
+ function (nodeId) {
+ return this.modelService.nodesHtmlElements[nodeId];
+ };
+ /**
+ * @param {?} nodeId
+ * @param {?} element
+ * @return {?}
+ */
+ NodesModel.prototype.setHtmlElement = /**
+ * @param {?} nodeId
+ * @param {?} element
+ * @return {?}
+ */
+ function (nodeId, element) {
+ this.modelService.nodesHtmlElements[nodeId] = element;
+ this.modelService.detectChanges();
+ };
+ return NodesModel;
+}(AbstractFcModel));
+var EdgesModel = /** @class */ (function (_super) {
+ tslib_1.__extends(EdgesModel, _super);
+ function EdgesModel(modelService) {
+ return _super.call(this, modelService) || this;
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.ready = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var source = this.modelService.connectors.getHtmlElement(edge.source);
+ /** @type {?} */
+ var destination = this.modelService.connectors.getHtmlElement(edge.destination);
+ return source !== undefined && destination !== undefined;
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.sourceCoord = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return this.modelService.connectors.getCenteredCoord(edge.source);
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.destCoord = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return this.modelService.connectors.getCenteredCoord(edge.destination);
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.delete = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var model = this.modelService.model;
+ /** @type {?} */
+ var index = model.edges.indexOf(edge);
+ if (index === -1) {
+ throw new Error('Tried to delete not existing edge');
+ }
+ if (this.isSelected(edge)) {
+ this.deselect(edge);
+ }
+ model.edges.splice(index, 1);
+ this.modelService.edgeRemovedCallback(edge);
+ };
+ /**
+ * @return {?}
+ */
+ EdgesModel.prototype.getSelectedEdges = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ /** @type {?} */
+ var model = this.modelService.model;
+ return model.edges.filter((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return _this.modelService.edges.isSelected(edge);
+ }));
+ };
+ /**
+ * @param {?} edge
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ EdgesModel.prototype.handleEdgeMouseClick = /**
+ * @param {?} edge
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ function (edge, ctrlKey) {
+ if (ctrlKey) {
+ this.modelService.edges.toggleSelected(edge);
+ }
+ else {
+ this.modelService.deselectAll();
+ this.modelService.edges.select(edge);
+ }
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.putEdge = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var model = this.modelService.model;
+ model.edges.push(edge);
+ };
+ /**
+ * @param {?} event
+ * @param {?} sourceConnector
+ * @param {?} destConnector
+ * @param {?} label
+ * @return {?}
+ */
+ EdgesModel.prototype._addEdge = /**
+ * @param {?} event
+ * @param {?} sourceConnector
+ * @param {?} destConnector
+ * @param {?} label
+ * @return {?}
+ */
+ function (event, sourceConnector, destConnector, label) {
+ var _this = this;
+ this.modelService.modelValidation.validateConnector(sourceConnector);
+ this.modelService.modelValidation.validateConnector(destConnector);
+ /** @type {?} */
+ var edge = {};
+ edge.source = sourceConnector.id;
+ edge.destination = destConnector.id;
+ edge.label = label;
+ /** @type {?} */
+ var model = this.modelService.model;
+ this.modelService.modelValidation.validateEdges(model.edges.concat([edge]), model.nodes);
+ this.modelService.createEdge(event, edge).subscribe((/**
+ * @param {?} created
+ * @return {?}
+ */
+ function (created) {
+ model.edges.push(created);
+ _this.modelService.edgeAddedCallback(created);
+ }));
+ };
+ return EdgesModel;
+}(AbstractFcModel));
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{ FcModelValidationService } from './modelvalidation.service';\nimport { FcConnector, FcCoords, FcEdge, FcItemInfo, FcModel, FcNode, FcRectBox } from './ngx-flowchart.models';\nimport { Observable, of } from 'rxjs';\nimport { ChangeDetectorRef } from '@angular/core';\n\nexport class FcModelService {\n\n  modelValidation: FcModelValidationService;\n  model: FcModel;\n  cd: ChangeDetectorRef;\n  selectedObjects: any[];\n\n  connectorsHtmlElements: HtmlElementMap = {};\n  nodesHtmlElements: HtmlElementMap = {};\n  canvasHtmlElement: HTMLElement = null;\n  dragImage: HTMLImageElement = null;\n  svgHtmlElement: SVGElement = null;\n\n  dropNode: (event: Event, node: FcNode) => void;\n  createEdge: (event: Event, edge: FcEdge) => Observable<FcEdge>;\n  edgeAddedCallback: (edge: FcEdge) => void;\n  nodeRemovedCallback: (node: FcNode) => void;\n  edgeRemovedCallback: (edge: FcEdge) => void;\n\n  dropTargetId: string;\n\n  connectors: ConnectorsModel;\n  nodes: NodesModel;\n  edges: EdgesModel;\n\n  constructor(modelValidation: FcModelValidationService,\n              model: FcModel,\n              cd: ChangeDetectorRef,\n              selectedObjects: any[],\n              dropNode: (event: Event, node: FcNode) => void,\n              createEdge: (event: Event, edge: FcEdge) => Observable<FcEdge>,\n              edgeAddedCallback: (edge: FcEdge) => void,\n              nodeRemovedCallback: (node: FcNode) => void,\n              edgeRemovedCallback: (edge: FcEdge) => void,\n              canvasHtmlElement: HTMLElement,\n              svgHtmlElement: SVGElement) {\n\n    this.modelValidation = modelValidation;\n    this.model = model;\n    this.cd = cd;\n    this.canvasHtmlElement = canvasHtmlElement;\n    this.svgHtmlElement = svgHtmlElement;\n    this.modelValidation.validateModel(this.model);\n    this.selectedObjects = selectedObjects;\n\n    this.dropNode = dropNode || (() => {});\n    this.createEdge = createEdge || (() => of({label: 'label'}));\n    this.edgeAddedCallback = edgeAddedCallback || (() => {});\n    this.nodeRemovedCallback = nodeRemovedCallback || (() => {});\n    this.edgeRemovedCallback = edgeRemovedCallback || (() => {});\n\n    this.connectors = new ConnectorsModel(this);\n    this.nodes = new NodesModel(this);\n    this.edges = new EdgesModel(this);\n  }\n\n  public detectChanges() {\n    setTimeout(() => {\n      this.cd.detectChanges();\n    }, 0);\n  }\n\n  public selectObject(object: any) {\n    if (this.isEditable()) {\n      if (this.selectedObjects.indexOf(object) === -1) {\n        this.selectedObjects.push(object);\n      }\n    }\n  }\n\n  public deselectObject(object: any) {\n    if (this.isEditable()) {\n      const index = this.selectedObjects.indexOf(object);\n      if (index === -1) {\n        throw new Error('Tried to deselect an unselected object');\n      }\n      this.selectedObjects.splice(index, 1);\n    }\n  }\n\n  public toggleSelectedObject(object: any) {\n    if (this.isSelectedObject(object)) {\n      this.deselectObject(object);\n    } else {\n      this.selectObject(object);\n    }\n  }\n\n  public isSelectedObject(object: any): boolean {\n    return this.selectedObjects.indexOf(object) !== -1;\n  }\n\n  public selectAll() {\n    this.model.nodes.forEach(node => {\n      if (!node.readonly) {\n        this.nodes.select(node);\n      }\n    });\n    this.model.edges.forEach(edge => {\n      this.edges.select(edge);\n    });\n    this.detectChanges();\n  }\n\n  public deselectAll() {\n    this.selectedObjects.splice(0, this.selectedObjects.length);\n    this.detectChanges();\n  }\n\n  public isEditObject(object: any): boolean {\n    return this.selectedObjects.length === 1 &&\n      this.selectedObjects.indexOf(object) !== -1;\n  }\n\n  private inRectBox(x: number, y: number, rectBox: FcRectBox): boolean {\n    return x >= rectBox.left && x <= rectBox.right &&\n      y >= rectBox.top && y <= rectBox.bottom;\n  }\n\n  public getItemInfoAtPoint(x: number, y: number): FcItemInfo {\n    return {\n      node: this.getNodeAtPoint(x, y),\n      edge: this.getEdgeAtPoint(x, y)\n    };\n  }\n\n  public getNodeAtPoint(x: number, y: number): FcNode {\n    for (const node of this.model.nodes) {\n      const element = this.nodes.getHtmlElement(node.id);\n      const nodeElementBox = element.getBoundingClientRect();\n      if (x >= nodeElementBox.left && x <= nodeElementBox.right\n        && y >= nodeElementBox.top && y <= nodeElementBox.bottom) {\n        return node;\n      }\n    }\n    return null;\n  }\n\n  public getEdgeAtPoint(x: number, y: number): FcEdge {\n    const element = document.elementFromPoint(x, y);\n    const id = element.id;\n    let edgeIndex = -1;\n    if (id) {\n      if (id.startsWith('fc-edge-path-')) {\n        edgeIndex = Number(id.substring('fc-edge-path-'.length));\n      } else if (id.startsWith('fc-edge-label-')) {\n        edgeIndex = Number(id.substring('fc-edge-label-'.length));\n      }\n    }\n    if (edgeIndex > -1) {\n      return this.model.edges[edgeIndex];\n    }\n    return null;\n  }\n\n  public selectAllInRect(rectBox: FcRectBox) {\n    this.model.nodes.forEach((value) => {\n      const element = this.nodes.getHtmlElement(value.id);\n      const nodeElementBox = element.getBoundingClientRect();\n      if (!value.readonly) {\n        const x = nodeElementBox.left + nodeElementBox.width / 2;\n        const y = nodeElementBox.top + nodeElementBox.height / 2;\n        if (this.inRectBox(x, y, rectBox)) {\n          this.nodes.select(value);\n        } else {\n          if (this.nodes.isSelected(value)) {\n            this.nodes.deselect(value);\n          }\n        }\n      }\n    });\n    const canvasElementBox = this.canvasHtmlElement.getBoundingClientRect();\n    this.model.edges.forEach((value) => {\n      const start = this.edges.sourceCoord(value);\n      const end = this.edges.destCoord(value);\n      const x = (start.x + end.x) / 2 + canvasElementBox.left;\n      const y = (start.y + end.y) / 2 + canvasElementBox.top;\n      if (this.inRectBox(x, y, rectBox)) {\n        this.edges.select(value);\n      } else {\n        if (this.edges.isSelected(value)) {\n          this.edges.deselect(value);\n        }\n      }\n    });\n  }\n\n  public deleteSelected() {\n    const edgesToDelete = this.edges.getSelectedEdges();\n    edgesToDelete.forEach((edge) => {\n      this.edges.delete(edge);\n    });\n    const nodesToDelete = this.nodes.getSelectedNodes();\n    nodesToDelete.forEach((node) => {\n      this.nodes.delete(node);\n    });\n  }\n\n  public isEditable(): boolean {\n    return this.dropTargetId === undefined;\n  }\n\n  public isDropSource(): boolean {\n    return this.dropTargetId !== undefined;\n  }\n\n  public getDragImage(): HTMLImageElement {\n    if (!this.dragImage) {\n      this.dragImage = new Image();\n      this.dragImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';\n      this.dragImage.style.visibility = 'hidden';\n    }\n    return this.dragImage;\n  }\n\n  public registerCallbacks(edgeAddedCallback: (edge: FcEdge) => void,\n                           nodeRemovedCallback: (node: FcNode) => void,\n                           edgeRemovedCallback: (edge: FcEdge) => void) {\n    this.edgeAddedCallback = edgeAddedCallback;\n    this.nodeRemovedCallback = nodeRemovedCallback;\n    this.edgeRemovedCallback = edgeRemovedCallback;\n  }\n\n}\n\ninterface HtmlElementMap { [id: string]: HTMLElement; }\n\nabstract class AbstractFcModel<T> {\n\n  modelService: FcModelService;\n\n  protected constructor(modelService: FcModelService) {\n    this.modelService = modelService;\n  }\n\n  public select(object: T) {\n    this.modelService.selectObject(object);\n  }\n\n  public deselect(object: T) {\n    this.modelService.deselectObject(object);\n  }\n\n  public toggleSelected(object: T) {\n    this.modelService.toggleSelectedObject(object);\n  }\n\n  public isSelected(object: T): boolean {\n    return this.modelService.isSelectedObject(object);\n  }\n\n  public isEdit(object: T): boolean {\n    return this.modelService.isEditObject(object);\n  }\n}\n\nclass ConnectorsModel extends AbstractFcModel<FcConnector> {\n\n  constructor(modelService: FcModelService) {\n    super(modelService);\n  }\n\n  public getConnector(connectorId: string): FcConnector {\n    const model = this.modelService.model;\n    for (const node of model.nodes) {\n      for (const connector of node.connectors) {\n        if (connector.id === connectorId) {\n          return connector;\n        }\n      }\n    }\n  }\n\n  public getHtmlElement(connectorId: string): HTMLElement {\n    return this.modelService.connectorsHtmlElements[connectorId];\n  }\n\n  public setHtmlElement(connectorId: string, element: HTMLElement) {\n    this.modelService.connectorsHtmlElements[connectorId] = element;\n    this.modelService.detectChanges();\n  }\n\n  private _getCoords(connectorId: string, centered?: boolean): FcCoords {\n    const element = this.getHtmlElement(connectorId);\n    const canvas = this.modelService.canvasHtmlElement;\n    if (element === null || element === undefined || canvas === null) {\n      return {x: 0, y: 0};\n    }\n    const connectorElementBox = element.getBoundingClientRect();\n    const canvasElementBox = canvas.getBoundingClientRect();\n    let coords: FcCoords = {\n      x: connectorElementBox.left - canvasElementBox.left,\n      y: connectorElementBox.top - canvasElementBox.top\n    };\n    if (centered) {\n      coords = {\n        x: Math.round(coords.x + element.offsetWidth / 2),\n        y: Math.round(coords.y + element.offsetHeight / 2)\n      };\n    }\n    return coords;\n  }\n\n  public getCoords(connectorId: string): FcCoords {\n    return this._getCoords(connectorId, false);\n  }\n\n  public getCenteredCoord(connectorId: string): FcCoords {\n    return this._getCoords(connectorId, true);\n  }\n}\n\nclass NodesModel extends AbstractFcModel<FcNode> {\n\n  constructor(modelService: FcModelService) {\n    super(modelService);\n  }\n\n  public getConnectorsByType(node: FcNode, type: string): Array<FcConnector> {\n    return node.connectors.filter((connector) => {\n      return connector.type === type;\n    });\n  }\n\n  private _addConnector(node: FcNode, connector: FcConnector) {\n    node.connectors.push(connector);\n    try {\n      this.modelService.modelValidation.validateNode(node);\n    } catch (error) {\n      node.connectors.splice(node.connectors.indexOf(connector), 1);\n      throw error;\n    }\n  }\n\n  public delete(node: FcNode) {\n    if (this.isSelected(node)) {\n      this.deselect(node);\n    }\n    const model = this.modelService.model;\n    const index = model.nodes.indexOf(node);\n    if (index === -1) {\n      if (node === undefined) {\n        throw new Error('Passed undefined');\n      }\n      throw new Error('Tried to delete not existing node');\n    }\n    const connectorIds = this.getConnectorIds(node);\n    for (let i = 0; i < model.edges.length; i++) {\n      const edge = model.edges[i];\n      if (connectorIds.indexOf(edge.source) !== -1 || connectorIds.indexOf(edge.destination) !== -1) {\n        this.modelService.edges.delete(edge);\n        i--;\n      }\n    }\n    model.nodes.splice(index, 1);\n    this.modelService.nodeRemovedCallback(node);\n  }\n\n  public getSelectedNodes(): Array<FcNode> {\n    const model = this.modelService.model;\n    return model.nodes.filter((node) => {\n      return this.modelService.nodes.isSelected(node);\n    });\n  }\n\n  public handleClicked(node: FcNode, ctrlKey?: boolean) {\n    if (ctrlKey) {\n      this.modelService.nodes.toggleSelected(node);\n    } else {\n      this.modelService.deselectAll();\n      this.modelService.nodes.select(node);\n    }\n  }\n\n  private _addNode(node: FcNode) {\n    const model = this.modelService.model;\n    try {\n      model.nodes.push(node);\n      this.modelService.modelValidation.validateNodes(model.nodes);\n    } catch (error) {\n      model.nodes.splice(model.nodes.indexOf(node), 1);\n      throw error;\n    }\n  }\n\n  public getConnectorIds(node: FcNode): Array<string> {\n    return node.connectors.map((connector) => {\n      return connector.id;\n    });\n  }\n\n  public getNodeByConnectorId(connectorId: string): FcNode {\n    const model = this.modelService.model;\n    for (const node of model.nodes) {\n      const connectorIds = this.getConnectorIds(node);\n      if (connectorIds.indexOf(connectorId) > -1) {\n        return node;\n      }\n    }\n    return null;\n  }\n\n  public getHtmlElement(nodeId: string): HTMLElement {\n    return this.modelService.nodesHtmlElements[nodeId];\n  }\n\n  public setHtmlElement(nodeId: string, element: HTMLElement) {\n    this.modelService.nodesHtmlElements[nodeId] = element;\n    this.modelService.detectChanges();\n  }\n\n}\n\nclass EdgesModel extends AbstractFcModel<FcEdge> {\n\n  constructor(modelService: FcModelService) {\n    super(modelService);\n  }\n\n  public ready(edge: FcEdge): boolean {\n    const source = this.modelService.connectors.getHtmlElement(edge.source);\n    const destination = this.modelService.connectors.getHtmlElement(edge.destination);\n    return source !== undefined && destination !== undefined;\n  }\n\n  public sourceCoord(edge: FcEdge): FcCoords {\n    return this.modelService.connectors.getCenteredCoord(edge.source);\n  }\n\n  public destCoord(edge: FcEdge): FcCoords {\n    return this.modelService.connectors.getCenteredCoord(edge.destination);\n  }\n\n  public delete(edge: FcEdge) {\n    const model = this.modelService.model;\n    const index = model.edges.indexOf(edge);\n    if (index === -1) {\n      throw new Error('Tried to delete not existing edge');\n    }\n    if (this.isSelected(edge)) {\n      this.deselect(edge);\n    }\n    model.edges.splice(index, 1);\n    this.modelService.edgeRemovedCallback(edge);\n  }\n\n  public getSelectedEdges(): Array<FcEdge> {\n    const model = this.modelService.model;\n    return model.edges.filter((edge) => {\n      return this.modelService.edges.isSelected(edge);\n    });\n  }\n\n  public handleEdgeMouseClick(edge: FcEdge, ctrlKey?: boolean) {\n    if (ctrlKey) {\n      this.modelService.edges.toggleSelected(edge);\n    } else {\n      this.modelService.deselectAll();\n      this.modelService.edges.select(edge);\n    }\n  }\n\n  public putEdge(edge: FcEdge) {\n    const model = this.modelService.model;\n    model.edges.push(edge);\n  }\n\n  public _addEdge(event: Event, sourceConnector: FcConnector, destConnector: FcConnector, label: string) {\n    this.modelService.modelValidation.validateConnector(sourceConnector);\n    this.modelService.modelValidation.validateConnector(destConnector);\n    const edge: FcEdge = {};\n    edge.source = sourceConnector.id;\n    edge.destination = destConnector.id;\n    edge.label = label;\n    const model = this.modelService.model;\n    this.modelService.modelValidation.validateEdges(model.edges.concat([edge]), model.nodes);\n    this.modelService.createEdge(event, edge).subscribe(\n      (created) => {\n        model.edges.push(created);\n        this.modelService.edgeAddedCallback(created);\n      }\n    );\n  }\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/modelvalidation.service.js b/dist/ngx-flowchart/esm5/lib/modelvalidation.service.js
new file mode 100644
index 0000000..3174c82
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/modelvalidation.service.js
@@ -0,0 +1,252 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import { Injectable } from '@angular/core';
+import { fcTopSort, ModelvalidationError } from './ngx-flowchart.models';
+var FcModelValidationService = /** @class */ (function () {
+ function FcModelValidationService() {
+ }
+ /**
+ * @param {?} model
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateModel = /**
+ * @param {?} model
+ * @return {?}
+ */
+ function (model) {
+ this.validateNodes(model.nodes);
+ this._validateEdges(model.edges, model.nodes);
+ return model;
+ };
+ /**
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateNodes = /**
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (nodes) {
+ var _this = this;
+ /** @type {?} */
+ var ids = [];
+ nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ _this.validateNode(node);
+ if (ids.indexOf(node.id) !== -1) {
+ throw new ModelvalidationError('Id not unique.');
+ }
+ ids.push(node.id);
+ }));
+ /** @type {?} */
+ var connectorIds = [];
+ nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ node.connectors.forEach((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ if (connectorIds.indexOf(connector.id) !== -1) {
+ throw new ModelvalidationError('Id not unique.');
+ }
+ connectorIds.push(connector.id);
+ }));
+ }));
+ return nodes;
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateNode = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ var _this = this;
+ if (node.id === undefined) {
+ throw new ModelvalidationError('Id not valid.');
+ }
+ if (typeof node.name !== 'string') {
+ throw new ModelvalidationError('Name not valid.');
+ }
+ if (typeof node.x !== 'number' || node.x < 0 || Math.round(node.x) !== node.x) {
+ throw new ModelvalidationError('Coordinates not valid.');
+ }
+ if (typeof node.y !== 'number' || node.y < 0 || Math.round(node.y) !== node.y) {
+ throw new ModelvalidationError('Coordinates not valid.');
+ }
+ if (!Array.isArray(node.connectors)) {
+ throw new ModelvalidationError('Connectors not valid.');
+ }
+ node.connectors.forEach((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ _this.validateConnector(connector);
+ }));
+ return node;
+ };
+ /**
+ * @private
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype._validateEdges = /**
+ * @private
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edges, nodes) {
+ var _this = this;
+ edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ _this._validateEdge(edge, nodes);
+ }));
+ edges.forEach((/**
+ * @param {?} edge1
+ * @param {?} index1
+ * @return {?}
+ */
+ function (edge1, index1) {
+ edges.forEach((/**
+ * @param {?} edge2
+ * @param {?} index2
+ * @return {?}
+ */
+ function (edge2, index2) {
+ if (index1 !== index2) {
+ if ((edge1.source === edge2.source && edge1.destination === edge2.destination) ||
+ (edge1.source === edge2.destination && edge1.destination === edge2.source)) {
+ throw new ModelvalidationError('Duplicated edge.');
+ }
+ }
+ }));
+ }));
+ if (fcTopSort({ nodes: nodes, edges: edges }) === null) {
+ throw new ModelvalidationError('Graph has a circle.');
+ }
+ return edges;
+ };
+ /**
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateEdges = /**
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edges, nodes) {
+ this.validateNodes(nodes);
+ return this._validateEdges(edges, nodes);
+ };
+ /**
+ * @private
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype._validateEdge = /**
+ * @private
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edge, nodes) {
+ if (edge.source === undefined) {
+ throw new ModelvalidationError('Source not valid.');
+ }
+ if (edge.destination === undefined) {
+ throw new ModelvalidationError('Destination not valid.');
+ }
+ if (edge.source === edge.destination) {
+ throw new ModelvalidationError('Edge with same source and destination connectors.');
+ }
+ /** @type {?} */
+ var sourceNode = nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) { return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) { return connector.id === edge.source; })); }))[0];
+ if (sourceNode === undefined) {
+ throw new ModelvalidationError('Source not valid.');
+ }
+ /** @type {?} */
+ var destinationNode = nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) { return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) { return connector.id === edge.destination; })); }))[0];
+ if (destinationNode === undefined) {
+ throw new ModelvalidationError('Destination not valid.');
+ }
+ if (sourceNode === destinationNode) {
+ throw new ModelvalidationError('Edge with same source and destination nodes.');
+ }
+ return edge;
+ };
+ /**
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateEdge = /**
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edge, nodes) {
+ this.validateNodes(nodes);
+ return this._validateEdge(edge, nodes);
+ };
+ /**
+ * @param {?} connector
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateConnector = /**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ if (connector.id === undefined) {
+ throw new ModelvalidationError('Id not valid.');
+ }
+ if (connector.type === undefined || connector.type === null || typeof connector.type !== 'string') {
+ throw new ModelvalidationError('Type not valid.');
+ }
+ return connector;
+ };
+ FcModelValidationService.decorators = [
+ { type: Injectable }
+ ];
+ /** @nocollapse */
+ FcModelValidationService.ctorParameters = function () { return []; };
+ return FcModelValidationService;
+}());
+export { FcModelValidationService };
+//# 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{ Injectable } from '@angular/core';\nimport { FcConnector, FcEdge, FcModel, FcNode, fcTopSort, ModelvalidationError } from './ngx-flowchart.models';\n\n@Injectable()\nexport class FcModelValidationService {\n\n  constructor() { }\n\n  public validateModel(model: FcModel): FcModel {\n    this.validateNodes(model.nodes);\n    this._validateEdges(model.edges, model.nodes);\n    return model;\n  }\n\n  public validateNodes(nodes: Array<FcNode>): Array<FcNode> {\n    const ids: string[] = [];\n    nodes.forEach((node) => {\n      this.validateNode(node);\n      if (ids.indexOf(node.id) !== -1) {\n        throw new ModelvalidationError('Id not unique.');\n      }\n      ids.push(node.id);\n    });\n    const connectorIds: string[] = [];\n    nodes.forEach((node) => {\n      node.connectors.forEach((connector) => {\n        if (connectorIds.indexOf(connector.id) !== -1) {\n          throw new ModelvalidationError('Id not unique.');\n        }\n        connectorIds.push(connector.id);\n      });\n    });\n    return nodes;\n  }\n\n  public validateNode(node: FcNode): FcNode {\n    if (node.id === undefined) {\n      throw new ModelvalidationError('Id not valid.');\n    }\n    if (typeof node.name !== 'string') {\n      throw new ModelvalidationError('Name not valid.');\n    }\n    if (typeof node.x !== 'number' || node.x < 0 || Math.round(node.x) !== node.x) {\n      throw new ModelvalidationError('Coordinates not valid.');\n    }\n    if (typeof node.y !== 'number' || node.y < 0 || Math.round(node.y) !== node.y) {\n      throw new ModelvalidationError('Coordinates not valid.');\n    }\n    if (!Array.isArray(node.connectors)) {\n      throw new ModelvalidationError('Connectors not valid.');\n    }\n    node.connectors.forEach((connector) => {\n      this.validateConnector(connector);\n    });\n    return node;\n  }\n\n  private _validateEdges(edges: Array<FcEdge>, nodes: Array<FcNode>): Array<FcEdge> {\n    edges.forEach((edge) => {\n      this._validateEdge(edge, nodes);\n    });\n    edges.forEach((edge1, index1) => {\n      edges.forEach((edge2, index2) => {\n        if (index1 !== index2) {\n          if ((edge1.source === edge2.source && edge1.destination === edge2.destination) ||\n            (edge1.source === edge2.destination && edge1.destination === edge2.source)) {\n            throw new ModelvalidationError('Duplicated edge.');\n          }\n        }\n      });\n    });\n    if (fcTopSort({nodes, edges}) === null) {\n      throw new ModelvalidationError('Graph has a circle.');\n    }\n    return edges;\n  }\n\n  public validateEdges(edges: Array<FcEdge>, nodes: Array<FcNode>): Array<FcEdge> {\n    this.validateNodes(nodes);\n    return this._validateEdges(edges, nodes);\n  }\n\n  private _validateEdge(edge: FcEdge, nodes: Array<FcNode>): FcEdge {\n    if (edge.source === undefined) {\n      throw new ModelvalidationError('Source not valid.');\n    }\n    if (edge.destination === undefined) {\n      throw new ModelvalidationError('Destination not valid.');\n    }\n    if (edge.source === edge.destination) {\n      throw new ModelvalidationError('Edge with same source and destination connectors.');\n    }\n    const sourceNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.source))[0];\n    if (sourceNode === undefined) {\n      throw new ModelvalidationError('Source not valid.');\n    }\n    const destinationNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.destination))[0];\n    if (destinationNode === undefined) {\n      throw new ModelvalidationError('Destination not valid.');\n    }\n    if (sourceNode === destinationNode) {\n      throw new ModelvalidationError('Edge with same source and destination nodes.');\n    }\n    return edge;\n  }\n\n  public validateEdge(edge: FcEdge, nodes: Array<FcNode>): FcEdge {\n    this.validateNodes(nodes);\n    return this._validateEdge(edge, nodes);\n  }\n\n  public validateConnector(connector: FcConnector): FcConnector {\n    if (connector.id === undefined) {\n      throw new ModelvalidationError('Id not valid.');\n    }\n    if (connector.type === undefined || connector.type === null || typeof connector.type !== 'string') {\n      throw new ModelvalidationError('Type not valid.');\n    }\n    return connector;\n  }\n\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/mouseover.service.js b/dist/ngx-flowchart/esm5/lib/mouseover.service.js
new file mode 100644
index 0000000..6c1d199
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/mouseover.service.js
@@ -0,0 +1,140 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+var FcMouseOverService = /** @class */ (function () {
+ function FcMouseOverService(applyFunction) {
+ this.mouseoverscope = {
+ connector: null,
+ edge: null,
+ node: null
+ };
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ FcMouseOverService.prototype.nodeMouseOver = /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.node = node;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ FcMouseOverService.prototype.nodeMouseOut = /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.node = null;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcMouseOverService.prototype.connectorMouseEnter = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.connector = connector;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcMouseOverService.prototype.connectorMouseLeave = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.connector = null;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ FcMouseOverService.prototype.edgeMouseEnter = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverscope.edge = edge;
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ FcMouseOverService.prototype.edgeMouseLeave = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverscope.edge = null;
+ };
+ return FcMouseOverService;
+}());
+export { FcMouseOverService };
+if (false) {
+ /** @type {?} */
+ FcMouseOverService.prototype.mouseoverscope;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcMouseOverService.prototype.applyFunction;
+}
+/**
+ * @record
+ */
+export function MouseOverScope() { }
+if (false) {
+ /** @type {?} */
+ MouseOverScope.prototype.connector;
+ /** @type {?} */
+ MouseOverScope.prototype.edge;
+ /** @type {?} */
+ MouseOverScope.prototype.node;
+}
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/ngx-flowchart.component.js b/dist/ngx-flowchart/esm5/lib/ngx-flowchart.component.js
index 9d27ec1..201cbed 100644
--- a/dist/ngx-flowchart/esm5/lib/ngx-flowchart.component.js
+++ b/dist/ngx-flowchart/esm5/lib/ngx-flowchart.component.js
@@ -2,10 +2,54 @@
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
-import { Component } from '@angular/core';
+import * as tslib_1 from "tslib";
+import { ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, HostBinding, HostListener, Input, IterableDiffers, NgZone } from '@angular/core';
+import { FlowchartConstants } from './ngx-flowchart.models';
+import { FcModelService } from './model.service';
+import { FcModelValidationService } from './modelvalidation.service';
+import { FcNodeDraggingService } from './node-dragging.service';
+import { FcEdgeDrawingService } from './edge-drawing.service';
+import { FcEdgeDraggingService } from './edge-dragging.service';
+import { FcMouseOverService } from './mouseover.service';
+import { FcRectangleSelectService } from './rectangleselect.service';
var NgxFlowchartComponent = /** @class */ (function () {
- function NgxFlowchartComponent() {
+ function NgxFlowchartComponent(elementRef, differs, modelValidation, edgeDrawingService, cd, zone) {
+ this.elementRef = elementRef;
+ this.differs = differs;
+ this.modelValidation = modelValidation;
+ this.edgeDrawingService = edgeDrawingService;
+ this.cd = cd;
+ this.zone = zone;
+ this.flowchartConstants = FlowchartConstants;
+ this.nodesDiffer = this.differs.find([]).create((/**
+ * @param {?} index
+ * @param {?} item
+ * @return {?}
+ */
+ function (index, item) {
+ return item;
+ }));
+ this.edgesDiffer = this.differs.find([]).create((/**
+ * @param {?} index
+ * @param {?} item
+ * @return {?}
+ */
+ function (index, item) {
+ return item;
+ }));
+ this.arrowDefId = 'arrow-' + Math.random();
+ this.arrowDefIdSelected = this.arrowDefId + '-selected';
}
+ Object.defineProperty(NgxFlowchartComponent.prototype, "canvasClass", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return FlowchartConstants.canvasClass;
+ },
+ enumerable: true,
+ configurable: true
+ });
/**
* @return {?}
*/
@@ -13,16 +57,471 @@ var NgxFlowchartComponent = /** @class */ (function () {
* @return {?}
*/
function () {
+ var e_1, _a;
+ var _this = this;
+ if (!this.dropTargetId && this.edgeStyle !== FlowchartConstants.curvedStyle && this.edgeStyle !== FlowchartConstants.lineStyle) {
+ throw new Error('edgeStyle not supported.');
+ }
+ this.nodeHeight = this.nodeHeight || 200;
+ this.nodeWidth = this.nodeWidth || 200;
+ this.dragAnimation = this.dragAnimation || FlowchartConstants.dragAnimationRepaint;
+ this.userCallbacks = this.userCallbacks || {};
+ this.automaticResize = this.automaticResize || false;
+ try {
+ for (var _b = tslib_1.__values(Object.keys(this.userCallbacks)), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var key = _c.value;
+ /** @type {?} */
+ var callback = this.userCallbacks[key];
+ if (typeof callback !== 'function' && key !== 'nodeCallbacks') {
+ throw new Error('All callbacks should be functions.');
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ this.userNodeCallbacks = this.userCallbacks.nodeCallbacks;
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ this.modelService = new FcModelService(this.modelValidation, this.model, this.cd, this.selectedObjects, this.userCallbacks.dropNode, this.userCallbacks.createEdge, this.userCallbacks.edgeAdded, this.userCallbacks.nodeRemoved, this.userCallbacks.edgeRemoved, element[0], element[0].querySelector('svg'));
+ if (this.dropTargetId) {
+ this.modelService.dropTargetId = this.dropTargetId;
+ }
+ /** @type {?} */
+ var applyFunction = this.zone.run.bind(this.zone);
+ this.nodeDraggingService = new FcNodeDraggingService(this.modelService, applyFunction, this.automaticResize, this.dragAnimation);
+ this.edgeDraggingService = new FcEdgeDraggingService(this.modelValidation, this.edgeDrawingService, this.modelService, this.model, this.userCallbacks.isValidEdge || null, applyFunction, this.dragAnimation, this.edgeStyle);
+ this.mouseoverService = new FcMouseOverService(applyFunction);
+ this.rectangleSelectService = new FcRectangleSelectService(this.modelService, element[0].querySelector('#select-rectangle'), applyFunction);
+ this.callbacks = {
+ nodeDragstart: this.nodeDraggingService.dragstart.bind(this.nodeDraggingService),
+ nodeDragend: this.nodeDraggingService.dragend.bind(this.nodeDraggingService),
+ edgeDragstart: this.edgeDraggingService.dragstart.bind(this.edgeDraggingService),
+ edgeDragend: this.edgeDraggingService.dragend.bind(this.edgeDraggingService),
+ edgeDrop: this.edgeDraggingService.drop.bind(this.edgeDraggingService),
+ edgeDragoverConnector: this.edgeDraggingService.dragoverConnector.bind(this.edgeDraggingService),
+ edgeDragoverMagnet: this.edgeDraggingService.dragoverMagnet.bind(this.edgeDraggingService),
+ edgeDragleaveMagnet: this.edgeDraggingService.dragleaveMagnet.bind(this.edgeDraggingService),
+ nodeMouseOver: this.mouseoverService.nodeMouseOver.bind(this.mouseoverService),
+ nodeMouseOut: this.mouseoverService.nodeMouseOut.bind(this.mouseoverService),
+ connectorMouseEnter: this.mouseoverService.connectorMouseEnter.bind(this.mouseoverService),
+ connectorMouseLeave: this.mouseoverService.connectorMouseLeave.bind(this.mouseoverService),
+ nodeClicked: (/**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ _this.modelService.nodes.handleClicked(node, event.ctrlKey);
+ event.stopPropagation();
+ event.preventDefault();
+ })
+ };
+ this.adjustCanvasSize(true);
+ };
+ /**
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.ngDoCheck = /**
+ * @return {?}
+ */
+ function () {
+ if (this.model) {
+ /** @type {?} */
+ var nodesChange = this.nodesDiffer.diff(this.model.nodes);
+ /** @type {?} */
+ var edgesChange = this.edgesDiffer.diff(this.model.edges);
+ /** @type {?} */
+ var nodesChanged_1 = false;
+ /** @type {?} */
+ var edgesChanged_1 = false;
+ if (nodesChange !== null) {
+ nodesChange.forEachAddedItem((/**
+ * @return {?}
+ */
+ function () {
+ nodesChanged_1 = true;
+ }));
+ nodesChange.forEachRemovedItem((/**
+ * @return {?}
+ */
+ function () {
+ nodesChanged_1 = true;
+ }));
+ }
+ if (edgesChange !== null) {
+ edgesChange.forEachAddedItem((/**
+ * @return {?}
+ */
+ function () {
+ edgesChanged_1 = true;
+ }));
+ edgesChange.forEachRemovedItem((/**
+ * @return {?}
+ */
+ function () {
+ edgesChanged_1 = true;
+ }));
+ }
+ if (nodesChanged_1) {
+ this.adjustCanvasSize(true);
+ }
+ if (nodesChanged_1 || edgesChanged_1) {
+ this.cd.detectChanges();
+ }
+ }
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.getEdgeDAttribute = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return this.edgeDrawingService.getEdgeDAttribute(this.modelService.edges.sourceCoord(edge), this.modelService.edges.destCoord(edge), this.edgeStyle);
+ };
+ /**
+ * @param {?=} fit
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.adjustCanvasSize = /**
+ * @param {?=} fit
+ * @return {?}
+ */
+ function (fit) {
+ var _this = this;
+ /** @type {?} */
+ var maxX = 0;
+ /** @type {?} */
+ var maxY = 0;
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ this.model.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ maxX = Math.max(node.x + _this.nodeWidth, maxX);
+ maxY = Math.max(node.y + _this.nodeHeight, maxY);
+ }));
+ /** @type {?} */
+ var width;
+ /** @type {?} */
+ var height;
+ if (fit) {
+ width = maxX;
+ height = maxY;
+ }
+ else {
+ width = Math.max(maxX, element.prop('offsetWidth'));
+ height = Math.max(maxY, element.prop('offsetHeight'));
+ }
+ element.css('width', width + 'px');
+ element.css('height', height + 'px');
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.canvasClick = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) { };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseDown = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ event.stopPropagation();
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeClick = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.modelService.edges.handleEdgeMouseClick(edge, event.ctrlKey);
+ event.stopPropagation();
+ event.preventDefault();
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeRemove = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.modelService.edges.delete(edge);
+ event.stopPropagation();
+ event.preventDefault();
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeEdit = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ if (this.userCallbacks.edgeEdit) {
+ this.userCallbacks.edgeEdit(event, edge);
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeDoubleClick = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ if (this.userCallbacks.edgeDoubleClick) {
+ this.userCallbacks.edgeDoubleClick(event, edge);
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseOver = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ if (this.userCallbacks.edgeMouseOver) {
+ this.userCallbacks.edgeMouseOver(event, edge);
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseEnter = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverService.edgeMouseEnter(event, edge);
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseLeave = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverService.edgeMouseLeave(event, edge);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.nodeDraggingService.dragover(event);
+ this.edgeDraggingService.dragover(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (event.preventDefault) {
+ event.preventDefault();
+ }
+ if (event.stopPropagation) {
+ event.stopPropagation();
+ }
+ this.nodeDraggingService.drop(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.mousedown = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.rectangleSelectService.mousedown(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.mousemove = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.rectangleSelectService.mousemove(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.mouseup = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.rectangleSelectService.mouseup(event);
};
NgxFlowchartComponent.decorators = [
{ type: Component, args: [{
selector: 'fc-canvas',
- template: "\n \n ngx-flowchart works!\n
\n "
+ template: "\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\n \n \n \n
\n
\n {{edgeDraggingService.edgeDragging.dragLabel}} \n
\n
\n
\n
\n
\n \n
\n
\n ×\n
\n
{{edge.label}} \n
\n
\n
\n
\n
\n",
+ changeDetection: ChangeDetectionStrategy.OnPush,
+ styles: [":host{display:block;position:relative;width:100%;height:100%;background-size:25px 25px;background-image:linear-gradient(to right,rgba(0,0,0,.1) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.1) 1px,transparent 1px);background-color:transparent;min-width:100%;min-height:100%;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-canvas-container{display:block;position:relative;width:100%;height:100%}:host .fc-canvas-container svg.fc-canvas-svg{display:block;position:relative;width:100%;height:100%}:host .fc-edge{stroke:gray;stroke-width:4;transition:stroke-width .2s;fill:transparent}:host .fc-edge.fc-hover{stroke:gray;stroke-width:6;fill:transparent}:host .fc-edge.fc-selected{stroke:red;stroke-width:4;fill:transparent}:host .fc-edge.fc-active{-webkit-animation:3s linear infinite dash;animation:3s linear infinite dash;stroke-dasharray:20}:host .fc-edge.fc-dragging{pointer-events:none}:host .fc-arrow-marker polygon{stroke:gray;fill:gray}:host .fc-arrow-marker-selected polygon{stroke:red;fill:red}:host .edge-endpoint{fill:gray}:host .fc-noselect{-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-edge-label{position:absolute;opacity:.8;transition:transform .2s;transform-origin:bottom left;margin:0 auto}:host .fc-edge-label .fc-edge-label-text{position:absolute;transform:translate(-50%,-50%);white-space:nowrap;text-align:center;font-size:16px}:host .fc-edge-label .fc-edge-label-text span{cursor:default;border:solid #ff3d00;border-radius:10px;color:#ff3d00;background-color:#fff;padding:3px 5px}:host .fc-edge-label .fc-nodeedit{top:-30px;right:14px}:host .fc-edge-label .fc-nodedelete{top:-30px;right:-13px}:host .fc-edge-label.fc-hover{transform:scale(1.25)}:host .fc-edge-label.fc-edit .fc-edge-label-text span,:host .fc-edge-label.fc-selected .fc-edge-label-text span{border:solid red;color:#fff;font-weight:600;background-color:red}:host .fc-select-rectangle{border:2px dashed #5262ff;position:absolute;background:rgba(20,125,255,.1);z-index:2}@-webkit-keyframes dash{from{stroke-dashoffset:500}}@keyframes dash{from{stroke-dashoffset:500}}:host ::ng-deep .fc-nodeedit{display:none;font-size:15px}:host ::ng-deep .fc-nodedelete{display:none;font-size:18px}:host ::ng-deep .fc-edit .fc-nodedelete,:host ::ng-deep .fc-edit .fc-nodeedit{display:block;position:absolute;border:2px solid #eee;border-radius:50%;font-weight:600;line-height:20px;height:20px;padding-top:2px;width:22px;background:#494949;color:#fff;text-align:center;vertical-align:bottom;cursor:pointer}:host ::ng-deep .fc-edit .fc-nodeedit{top:-24px;right:16px}:host ::ng-deep .fc-edit .fc-nodedelete{top:-24px;right:-13px}"]
}] }
];
/** @nocollapse */
- NgxFlowchartComponent.ctorParameters = function () { return []; };
+ NgxFlowchartComponent.ctorParameters = function () { return [
+ { type: ElementRef },
+ { type: IterableDiffers },
+ { type: FcModelValidationService },
+ { type: FcEdgeDrawingService },
+ { type: ChangeDetectorRef },
+ { type: NgZone }
+ ]; };
+ NgxFlowchartComponent.propDecorators = {
+ canvasClass: [{ type: HostBinding, args: ['attr.class',] }],
+ model: [{ type: Input }],
+ selectedObjects: [{ type: Input }],
+ edgeStyle: [{ type: Input }],
+ userCallbacks: [{ type: Input }],
+ automaticResize: [{ type: Input }],
+ dragAnimation: [{ type: Input }],
+ nodeWidth: [{ type: Input }],
+ nodeHeight: [{ type: Input }],
+ dropTargetId: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ mousedown: [{ type: HostListener, args: ['mousedown', ['$event'],] }],
+ mousemove: [{ type: HostListener, args: ['mousemove', ['$event'],] }],
+ mouseup: [{ type: HostListener, args: ['mouseup', ['$event'],] }]
+ };
return NgxFlowchartComponent;
}());
export { NgxFlowchartComponent };
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\ No newline at end of file
+if (false) {
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.model;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.selectedObjects;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeStyle;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.userCallbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.automaticResize;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.dragAnimation;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeWidth;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeHeight;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.dropTargetId;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.callbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.modelService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeDraggingService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeDraggingService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.mouseoverService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.rectangleSelectService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.arrowDefId;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.arrowDefIdSelected;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.flowchartConstants;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.nodesDiffer;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.edgesDiffer;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.elementRef;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.differs;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.modelValidation;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeDrawingService;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.cd;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.zone;
+}
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{\n  ChangeDetectionStrategy, ChangeDetectorRef,\n  Component,\n  DoCheck,\n  ElementRef,\n  HostBinding,\n  HostListener,\n  Input,\n  IterableDiffer,\n  IterableDiffers,\n  NgZone,\n  OnInit\n} from '@angular/core';\nimport { FcCallbacks, FcEdge, FcModel, FcNode, FlowchartConstants, UserCallbacks, UserNodeCallbacks } from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\nimport { FcModelValidationService } from './modelvalidation.service';\nimport { FcNodeDraggingService } from './node-dragging.service';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcEdgeDraggingService } from './edge-dragging.service';\nimport { FcMouseOverService } from './mouseover.service';\nimport { FcRectangleSelectService } from './rectangleselect.service';\n\n@Component({\n  selector: 'fc-canvas',\n  templateUrl: './ngx-flowchart.component.html',\n  styleUrls: ['./ngx-flowchart.component.scss'],\n  changeDetection: ChangeDetectionStrategy.OnPush\n})\nexport class NgxFlowchartComponent implements OnInit, DoCheck {\n\n  @HostBinding('attr.class')\n  get canvasClass(): string {\n    return FlowchartConstants.canvasClass;\n  }\n\n  @Input()\n  model: FcModel;\n\n  @Input()\n  selectedObjects: any[];\n\n  @Input()\n  edgeStyle: string;\n\n  @Input()\n  userCallbacks: UserCallbacks;\n\n  @Input()\n  automaticResize: boolean;\n\n  @Input()\n  dragAnimation: string;\n\n  @Input()\n  nodeWidth: number;\n\n  @Input()\n  nodeHeight: number;\n\n  @Input()\n  dropTargetId: string;\n\n  callbacks: FcCallbacks;\n\n  userNodeCallbacks: UserNodeCallbacks;\n\n  modelService: FcModelService;\n  nodeDraggingService: FcNodeDraggingService;\n  edgeDraggingService: FcEdgeDraggingService;\n  mouseoverService: FcMouseOverService;\n  rectangleSelectService: FcRectangleSelectService;\n\n  arrowDefId: string;\n  arrowDefIdSelected: string;\n\n  flowchartConstants = FlowchartConstants;\n\n  private nodesDiffer: IterableDiffer<FcNode> = this.differs.find([]).create<FcNode>((index, item) => {\n    return item;\n  });\n\n  private edgesDiffer: IterableDiffer<FcEdge> = this.differs.find([]).create<FcEdge>((index, item) => {\n    return item;\n  });\n\n  constructor(private elementRef: ElementRef<HTMLElement>,\n              private differs: IterableDiffers,\n              private modelValidation: FcModelValidationService,\n              public edgeDrawingService: FcEdgeDrawingService,\n              private cd: ChangeDetectorRef,\n              private zone: NgZone) {\n    this.arrowDefId = 'arrow-' + Math.random();\n    this.arrowDefIdSelected = this.arrowDefId + '-selected';\n  }\n\n  ngOnInit() {\n    if (!this.dropTargetId && this.edgeStyle !== FlowchartConstants.curvedStyle && this.edgeStyle !== FlowchartConstants.lineStyle) {\n      throw new Error('edgeStyle not supported.');\n    }\n    this.nodeHeight = this.nodeHeight || 200;\n    this.nodeWidth = this.nodeWidth || 200;\n    this.dragAnimation = this.dragAnimation || FlowchartConstants.dragAnimationRepaint;\n    this.userCallbacks = this.userCallbacks || {};\n    this.automaticResize = this.automaticResize || false;\n\n    for (const key of Object.keys(this.userCallbacks)) {\n      const callback = this.userCallbacks[key];\n      if (typeof callback !== 'function' && key !== 'nodeCallbacks') {\n        throw new Error('All callbacks should be functions.');\n      }\n    }\n\n    this.userNodeCallbacks = this.userCallbacks.nodeCallbacks;\n\n    const element = $(this.elementRef.nativeElement);\n\n    this.modelService = new FcModelService(this.modelValidation, this.model, this.cd, this.selectedObjects,\n      this.userCallbacks.dropNode, this.userCallbacks.createEdge, this.userCallbacks.edgeAdded, this.userCallbacks.nodeRemoved,\n      this.userCallbacks.edgeRemoved, element[0], element[0].querySelector('svg'));\n\n    if (this.dropTargetId) {\n      this.modelService.dropTargetId = this.dropTargetId;\n    }\n\n    const applyFunction = this.zone.run.bind(this.zone);\n\n    this.nodeDraggingService = new FcNodeDraggingService(this.modelService, applyFunction,\n          this.automaticResize, this.dragAnimation);\n\n    this.edgeDraggingService = new FcEdgeDraggingService(this.modelValidation, this.edgeDrawingService, this.modelService,\n      this.model, this.userCallbacks.isValidEdge || null, applyFunction,\n      this.dragAnimation, this.edgeStyle);\n\n    this.mouseoverService = new FcMouseOverService(applyFunction);\n\n    this.rectangleSelectService = new FcRectangleSelectService(this.modelService,\n      element[0].querySelector('#select-rectangle'), applyFunction);\n\n    this.callbacks = {\n      nodeDragstart: this.nodeDraggingService.dragstart.bind(this.nodeDraggingService),\n      nodeDragend: this.nodeDraggingService.dragend.bind(this.nodeDraggingService),\n      edgeDragstart: this.edgeDraggingService.dragstart.bind(this.edgeDraggingService),\n      edgeDragend: this.edgeDraggingService.dragend.bind(this.edgeDraggingService),\n      edgeDrop: this.edgeDraggingService.drop.bind(this.edgeDraggingService),\n      edgeDragoverConnector: this.edgeDraggingService.dragoverConnector.bind(this.edgeDraggingService),\n      edgeDragoverMagnet: this.edgeDraggingService.dragoverMagnet.bind(this.edgeDraggingService),\n      edgeDragleaveMagnet: this.edgeDraggingService.dragleaveMagnet.bind(this.edgeDraggingService),\n      nodeMouseOver: this.mouseoverService.nodeMouseOver.bind(this.mouseoverService),\n      nodeMouseOut: this.mouseoverService.nodeMouseOut.bind(this.mouseoverService),\n      connectorMouseEnter: this.mouseoverService.connectorMouseEnter.bind(this.mouseoverService),\n      connectorMouseLeave: this.mouseoverService.connectorMouseLeave.bind(this.mouseoverService),\n      nodeClicked: (event, node) => {\n        this.modelService.nodes.handleClicked(node, event.ctrlKey);\n        event.stopPropagation();\n        event.preventDefault();\n      }\n    };\n    this.adjustCanvasSize(true);\n  }\n\n  ngDoCheck(): void {\n    if (this.model) {\n      const nodesChange = this.nodesDiffer.diff(this.model.nodes);\n      const edgesChange = this.edgesDiffer.diff(this.model.edges);\n      let nodesChanged = false;\n      let edgesChanged = false;\n      if (nodesChange !== null) {\n        nodesChange.forEachAddedItem(() => {\n          nodesChanged = true;\n        });\n        nodesChange.forEachRemovedItem(() => {\n          nodesChanged = true;\n        });\n      }\n      if (edgesChange !== null) {\n        edgesChange.forEachAddedItem(() => {\n          edgesChanged = true;\n        });\n        edgesChange.forEachRemovedItem(() => {\n          edgesChanged = true;\n        });\n      }\n      if (nodesChanged) {\n        this.adjustCanvasSize(true);\n      }\n      if (nodesChanged || edgesChanged) {\n        this.cd.detectChanges();\n      }\n    }\n  }\n\n  getEdgeDAttribute(edge: FcEdge): string {\n    return this.edgeDrawingService.getEdgeDAttribute(this.modelService.edges.sourceCoord(edge),\n      this.modelService.edges.destCoord(edge), this.edgeStyle);\n  }\n\n  public adjustCanvasSize(fit?: boolean) {\n    let maxX = 0;\n    let maxY = 0;\n    const element = $(this.elementRef.nativeElement);\n    this.model.nodes.forEach((node) => {\n      maxX = Math.max(node.x + this.nodeWidth, maxX);\n      maxY = Math.max(node.y + this.nodeHeight, maxY);\n    });\n    let width;\n    let height;\n    if (fit) {\n      width = maxX;\n      height = maxY;\n    } else {\n      width = Math.max(maxX, element.prop('offsetWidth'));\n      height = Math.max(maxY, element.prop('offsetHeight'));\n    }\n    element.css('width', width + 'px');\n    element.css('height', height + 'px');\n  }\n\n  canvasClick(event: MouseEvent) {}\n\n  edgeMouseDown(event: MouseEvent, edge: FcEdge) {\n    event.stopPropagation();\n  }\n\n  edgeClick(event: MouseEvent, edge: FcEdge) {\n    this.modelService.edges.handleEdgeMouseClick(edge, event.ctrlKey);\n    event.stopPropagation();\n    event.preventDefault();\n  }\n\n  edgeRemove(event: Event, edge: FcEdge) {\n    this.modelService.edges.delete(edge);\n    event.stopPropagation();\n    event.preventDefault();\n  }\n\n  edgeEdit(event: Event, edge: FcEdge) {\n    if (this.userCallbacks.edgeEdit) {\n      this.userCallbacks.edgeEdit(event, edge);\n    }\n  }\n\n  edgeDoubleClick(event: MouseEvent, edge: FcEdge) {\n    if (this.userCallbacks.edgeDoubleClick) {\n      this.userCallbacks.edgeDoubleClick(event, edge);\n    }\n  }\n\n  edgeMouseOver(event: MouseEvent, edge: FcEdge) {\n    if (this.userCallbacks.edgeMouseOver) {\n      this.userCallbacks.edgeMouseOver(event, edge);\n    }\n  }\n\n  edgeMouseEnter(event: MouseEvent, edge: FcEdge) {\n    this.mouseoverService.edgeMouseEnter(event, edge);\n  }\n\n  edgeMouseLeave(event: MouseEvent, edge: FcEdge) {\n    this.mouseoverService.edgeMouseLeave(event, edge);\n  }\n\n  @HostListener('dragover', ['$event'])\n  dragover(event: DragEvent) {\n    this.nodeDraggingService.dragover(event);\n    this.edgeDraggingService.dragover(event);\n  }\n\n  @HostListener('drop', ['$event'])\n  drop(event: DragEvent) {\n    if (event.preventDefault) {\n      event.preventDefault();\n    }\n    if (event.stopPropagation) {\n      event.stopPropagation();\n    }\n    this.nodeDraggingService.drop(event);\n  }\n\n  @HostListener('mousedown', ['$event'])\n  mousedown(event: MouseEvent) {\n    this.rectangleSelectService.mousedown(event);\n  }\n\n  @HostListener('mousemove', ['$event'])\n  mousemove(event: MouseEvent) {\n    this.rectangleSelectService.mousemove(event);\n  }\n\n  @HostListener('mouseup', ['$event'])\n  mouseup(event: MouseEvent) {\n    this.rectangleSelectService.mouseup(event);\n  }\n\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/ngx-flowchart.models.js b/dist/ngx-flowchart/esm5/lib/ngx-flowchart.models.js
new file mode 100644
index 0000000..2835113
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/ngx-flowchart.models.js
@@ -0,0 +1,341 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import * as tslib_1 from "tslib";
+import { InjectionToken } from '@angular/core';
+/** @type {?} */
+export var FC_NODE_COMPONENT_CONFIG = new InjectionToken('fc-node.component.config');
+/**
+ * @record
+ */
+export function FcNodeComponentConfig() { }
+if (false) {
+ /** @type {?} */
+ FcNodeComponentConfig.prototype.nodeComponentType;
+}
+/** @type {?} */
+var htmlPrefix = 'fc';
+/** @type {?} */
+var leftConnectorType = 'leftConnector';
+/** @type {?} */
+var rightConnectorType = 'rightConnector';
+/** @type {?} */
+export var FlowchartConstants = {
+ htmlPrefix: htmlPrefix,
+ leftConnectorType: leftConnectorType,
+ rightConnectorType: rightConnectorType,
+ curvedStyle: 'curved',
+ lineStyle: 'line',
+ dragAnimationRepaint: 'repaint',
+ dragAnimationShadow: 'shadow',
+ canvasClass: htmlPrefix + '-canvas',
+ selectedClass: htmlPrefix + '-selected',
+ editClass: htmlPrefix + '-edit',
+ activeClass: htmlPrefix + '-active',
+ hoverClass: htmlPrefix + '-hover',
+ draggingClass: htmlPrefix + '-dragging',
+ edgeClass: htmlPrefix + '-edge',
+ edgeLabelClass: htmlPrefix + '-edge-label',
+ connectorClass: htmlPrefix + '-connector',
+ magnetClass: htmlPrefix + '-magnet',
+ nodeClass: htmlPrefix + '-node',
+ nodeOverlayClass: htmlPrefix + '-node-overlay',
+ leftConnectorClass: htmlPrefix + '-' + leftConnectorType + 's',
+ rightConnectorClass: htmlPrefix + '-' + rightConnectorType + 's',
+ canvasResizeThreshold: 200,
+ canvasResizeStep: 200
+};
+/**
+ * @record
+ */
+export function FcCoords() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcCoords.prototype.x;
+ /** @type {?|undefined} */
+ FcCoords.prototype.y;
+}
+/**
+ * @record
+ */
+export function FcOffset() { }
+if (false) {
+ /** @type {?} */
+ FcOffset.prototype.top;
+ /** @type {?} */
+ FcOffset.prototype.left;
+}
+/**
+ * @record
+ */
+export function FcRectBox() { }
+if (false) {
+ /** @type {?} */
+ FcRectBox.prototype.top;
+ /** @type {?} */
+ FcRectBox.prototype.left;
+ /** @type {?} */
+ FcRectBox.prototype.right;
+ /** @type {?} */
+ FcRectBox.prototype.bottom;
+}
+/**
+ * @record
+ */
+export function FcConnector() { }
+if (false) {
+ /** @type {?} */
+ FcConnector.prototype.id;
+ /** @type {?} */
+ FcConnector.prototype.type;
+}
+/**
+ * @record
+ */
+export function FcNode() { }
+if (false) {
+ /** @type {?} */
+ FcNode.prototype.id;
+ /** @type {?} */
+ FcNode.prototype.name;
+ /** @type {?} */
+ FcNode.prototype.connectors;
+ /** @type {?|undefined} */
+ FcNode.prototype.readonly;
+ /* Skipping unhandled member: [key: string]: any;*/
+}
+/**
+ * @record
+ */
+export function FcEdge() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcEdge.prototype.label;
+ /** @type {?|undefined} */
+ FcEdge.prototype.source;
+ /** @type {?|undefined} */
+ FcEdge.prototype.destination;
+ /** @type {?|undefined} */
+ FcEdge.prototype.active;
+}
+/**
+ * @record
+ */
+export function FcItemInfo() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcItemInfo.prototype.node;
+ /** @type {?|undefined} */
+ FcItemInfo.prototype.edge;
+}
+/**
+ * @record
+ */
+export function FcModel() { }
+if (false) {
+ /** @type {?} */
+ FcModel.prototype.nodes;
+ /** @type {?} */
+ FcModel.prototype.edges;
+}
+/**
+ * @record
+ */
+export function UserCallbacks() { }
+if (false) {
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.dropNode;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.createEdge;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeAdded;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.nodeRemoved;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeRemoved;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeDoubleClick;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeMouseOver;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.isValidEdge;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeEdit;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.nodeCallbacks;
+}
+/**
+ * @record
+ */
+export function UserNodeCallbacks() { }
+if (false) {
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.nodeEdit;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.doubleClick;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseDown;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseEnter;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseLeave;
+}
+/**
+ * @record
+ */
+export function FcCallbacks() { }
+if (false) {
+ /** @type {?} */
+ FcCallbacks.prototype.nodeDragstart;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeDragend;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragstart;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragend;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDrop;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragoverConnector;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragoverMagnet;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragleaveMagnet;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeMouseOver;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeMouseOut;
+ /** @type {?} */
+ FcCallbacks.prototype.connectorMouseEnter;
+ /** @type {?} */
+ FcCallbacks.prototype.connectorMouseLeave;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeClicked;
+}
+/**
+ * @record
+ */
+export function FcAdjacentList() { }
+var ModelvalidationError = /** @class */ (function (_super) {
+ tslib_1.__extends(ModelvalidationError, _super);
+ function ModelvalidationError(message) {
+ return _super.call(this, message) || this;
+ }
+ return ModelvalidationError;
+}(Error));
+export { ModelvalidationError };
+/**
+ * @param {?} graph
+ * @return {?}
+ */
+export function fcTopSort(graph) {
+ var e_1, _a, e_2, _b;
+ /** @type {?} */
+ var adjacentList = {};
+ graph.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ adjacentList[node.id] = { incoming: 0, outgoing: [] };
+ }));
+ graph.edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var sourceNode = graph.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.id === edge.source;
+ }));
+ }))[0];
+ /** @type {?} */
+ var destinationNode = graph.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.id === edge.destination;
+ }));
+ }))[0];
+ adjacentList[sourceNode.id].outgoing.push(destinationNode.id);
+ adjacentList[destinationNode.id].incoming++;
+ }));
+ /** @type {?} */
+ var orderedNodes = [];
+ /** @type {?} */
+ var sourceNodes = [];
+ try {
+ for (var _c = tslib_1.__values(Object.keys(adjacentList)), _d = _c.next(); !_d.done; _d = _c.next()) {
+ var node = _d.value;
+ /** @type {?} */
+ var edges = adjacentList[node];
+ if (edges.incoming === 0) {
+ sourceNodes.push(node);
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ while (sourceNodes.length !== 0) {
+ /** @type {?} */
+ var sourceNode = sourceNodes.pop();
+ for (var i = 0; i < adjacentList[sourceNode].outgoing.length; i++) {
+ /** @type {?} */
+ var destinationNode = adjacentList[sourceNode].outgoing[i];
+ adjacentList[destinationNode].incoming--;
+ if (adjacentList[destinationNode].incoming === 0) {
+ sourceNodes.push(destinationNode);
+ }
+ adjacentList[sourceNode].outgoing.splice(i, 1);
+ i--;
+ }
+ orderedNodes.push(sourceNode);
+ }
+ /** @type {?} */
+ var hasEdges = false;
+ try {
+ for (var _e = tslib_1.__values(Object.keys(adjacentList)), _f = _e.next(); !_f.done; _f = _e.next()) {
+ var node = _f.value;
+ /** @type {?} */
+ var edges = adjacentList[node];
+ if (edges.incoming !== 0) {
+ hasEdges = true;
+ }
+ }
+ }
+ catch (e_2_1) { e_2 = { error: e_2_1 }; }
+ finally {
+ try {
+ if (_f && !_f.done && (_b = _e.return)) _b.call(_e);
+ }
+ finally { if (e_2) throw e_2.error; }
+ }
+ if (hasEdges) {
+ return null;
+ }
+ else {
+ return orderedNodes;
+ }
+}
+//# 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{ Observable } from 'rxjs';\nimport { InjectionToken, Type } from '@angular/core';\nimport { FcNodeComponent } from './node.component';\n\nexport const FC_NODE_COMPONENT_CONFIG = new InjectionToken<FcNodeComponentConfig>('fc-node.component.config');\n\nexport interface FcNodeComponentConfig {\n  nodeComponentType: Type<FcNodeComponent>;\n}\n\nconst htmlPrefix = 'fc';\nconst leftConnectorType = 'leftConnector';\nconst rightConnectorType = 'rightConnector';\n\nexport const FlowchartConstants = {\n  htmlPrefix,\n  leftConnectorType,\n  rightConnectorType,\n  curvedStyle: 'curved',\n  lineStyle: 'line',\n  dragAnimationRepaint: 'repaint',\n  dragAnimationShadow: 'shadow',\n  canvasClass: htmlPrefix + '-canvas',\n  selectedClass: htmlPrefix + '-selected',\n  editClass: htmlPrefix + '-edit',\n  activeClass: htmlPrefix + '-active',\n  hoverClass: htmlPrefix + '-hover',\n  draggingClass: htmlPrefix + '-dragging',\n  edgeClass: htmlPrefix + '-edge',\n  edgeLabelClass: htmlPrefix + '-edge-label',\n  connectorClass: htmlPrefix + '-connector',\n  magnetClass: htmlPrefix + '-magnet',\n  nodeClass: htmlPrefix + '-node',\n  nodeOverlayClass: htmlPrefix + '-node-overlay',\n  leftConnectorClass: htmlPrefix + '-' + leftConnectorType + 's',\n  rightConnectorClass: htmlPrefix + '-' + rightConnectorType + 's',\n  canvasResizeThreshold: 200,\n  canvasResizeStep: 200\n};\n\n\nexport interface FcCoords {\n  x?: number;\n  y?: number;\n}\n\nexport interface FcOffset {\n  top: number;\n  left: number;\n}\n\nexport interface FcRectBox {\n  top: number;\n  left: number;\n  right: number;\n  bottom: number;\n}\n\nexport interface FcConnector {\n  id: string;\n  type: string;\n}\n\nexport interface FcNode extends FcCoords {\n  id: string;\n  name: string;\n  connectors: Array<FcConnector>;\n  readonly?: boolean;\n  [key: string]: any;\n}\n\nexport interface FcEdge {\n  label?: string;\n  source?: string;\n  destination?: string;\n  active?: boolean;\n}\n\nexport interface FcItemInfo {\n  node?: FcNode;\n  edge?: FcEdge;\n}\n\nexport interface FcModel {\n  nodes: Array<FcNode>;\n  edges: Array<FcEdge>;\n}\n\nexport interface UserCallbacks {\n  dropNode?: (event: Event, node: FcNode) => void;\n  createEdge?: (event: Event, edge: FcEdge) => Observable<FcEdge>;\n  edgeAdded?: (edge: FcEdge) => void;\n  nodeRemoved?: (node: FcNode) => void;\n  edgeRemoved?: (edge: FcEdge) => void;\n  edgeDoubleClick?: (event: MouseEvent, edge: FcEdge) => void;\n  edgeMouseOver?: (event: MouseEvent, edge: FcEdge) => void;\n  isValidEdge?: (source: FcConnector, destination: FcConnector) => boolean;\n  edgeEdit?: (event: Event, edge: FcEdge) => void;\n  nodeCallbacks?: UserNodeCallbacks;\n}\n\nexport interface UserNodeCallbacks {\n  nodeEdit?: (event: MouseEvent, node: FcNode) => void;\n  doubleClick?: (event: MouseEvent, node: FcNode) => void;\n  mouseDown?: (event: MouseEvent, node: FcNode) => void;\n  mouseEnter?: (event: MouseEvent, node: FcNode) => void;\n  mouseLeave?: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcCallbacks {\n  nodeDragstart: (event: DragEvent, node: FcNode) => void;\n  nodeDragend: (event: DragEvent) => void;\n  edgeDragstart: (event: DragEvent, connector: FcConnector) => void;\n  edgeDragend: (event: DragEvent) => void;\n  edgeDrop: (event: DragEvent, targetConnector: FcConnector) => boolean;\n  edgeDragoverConnector: (event: DragEvent, connector: FcConnector) => boolean;\n  edgeDragoverMagnet: (event: DragEvent, connector: FcConnector) => boolean;\n  edgeDragleaveMagnet: (event: DragEvent) => void;\n  nodeMouseOver: (event: MouseEvent, node: FcNode) => void;\n  nodeMouseOut: (event: MouseEvent, node: FcNode) => void;\n  connectorMouseEnter: (event: MouseEvent, connector: FcConnector) => void;\n  connectorMouseLeave: (event: MouseEvent, connector: FcConnector) => void;\n  nodeClicked: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcAdjacentList {\n  [id: string]: {\n    incoming: number;\n    outgoing: Array<string>;\n  };\n}\n\nexport class ModelvalidationError extends Error {\n  constructor(message: string) {\n    super(message);\n  }\n}\n\nexport function fcTopSort(graph: FcModel): Array<string> | null {\n  const adjacentList: FcAdjacentList = {};\n  graph.nodes.forEach((node) => {\n    adjacentList[node.id] = {incoming: 0, outgoing: []};\n  });\n  graph.edges.forEach((edge) => {\n    const sourceNode = graph.nodes.filter((node) => {\n      return node.connectors.some((connector) => {\n        return connector.id === edge.source;\n      });\n    })[0];\n    const destinationNode = graph.nodes.filter((node) => {\n      return node.connectors.some((connector) => {\n        return connector.id === edge.destination;\n      });\n    })[0];\n    adjacentList[sourceNode.id].outgoing.push(destinationNode.id);\n    adjacentList[destinationNode.id].incoming++;\n  });\n  const orderedNodes: string[] = [];\n  const sourceNodes: string[] = [];\n  for (const node of Object.keys(adjacentList)) {\n    const edges = adjacentList[node];\n    if (edges.incoming === 0) {\n      sourceNodes.push(node);\n    }\n  }\n  while (sourceNodes.length !== 0) {\n    const sourceNode = sourceNodes.pop();\n    for (let i = 0; i < adjacentList[sourceNode].outgoing.length; i++) {\n      const destinationNode = adjacentList[sourceNode].outgoing[i];\n      adjacentList[destinationNode].incoming--;\n      if (adjacentList[destinationNode].incoming === 0) {\n        sourceNodes.push(destinationNode);\n      }\n      adjacentList[sourceNode].outgoing.splice(i, 1);\n      i--;\n    }\n    orderedNodes.push(sourceNode);\n  }\n  let hasEdges = false;\n  for (const node of Object.keys(adjacentList)) {\n    const edges = adjacentList[node];\n    if (edges.incoming !== 0) {\n      hasEdges = true;\n    }\n  }\n  if (hasEdges) {\n    return null;\n  } else {\n    return orderedNodes;\n  }\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/ngx-flowchart.module.js b/dist/ngx-flowchart/esm5/lib/ngx-flowchart.module.js
index d05cee1..edaa3a6 100644
--- a/dist/ngx-flowchart/esm5/lib/ngx-flowchart.module.js
+++ b/dist/ngx-flowchart/esm5/lib/ngx-flowchart.module.js
@@ -4,17 +4,49 @@
*/
import { NgModule } from '@angular/core';
import { NgxFlowchartComponent } from './ngx-flowchart.component';
+import { FcModelValidationService } from './modelvalidation.service';
+import { FcEdgeDrawingService } from './edge-drawing.service';
+import { CommonModule } from '@angular/common';
+import { FcMagnetDirective } from './magnet.directive';
+import { FcConnectorDirective } from './connector.directive';
+import { FcNodeContainerComponent } from './node.component';
+import { FC_NODE_COMPONENT_CONFIG } from './ngx-flowchart.models';
+import { DefaultFcNodeComponent } from './default-node.component';
+var ɵ0 = {
+ nodeComponentType: DefaultFcNodeComponent
+};
var NgxFlowchartModule = /** @class */ (function () {
function NgxFlowchartModule() {
}
NgxFlowchartModule.decorators = [
{ type: NgModule, args: [{
- declarations: [NgxFlowchartComponent],
- imports: [],
- exports: [NgxFlowchartComponent]
+ entryComponents: [
+ DefaultFcNodeComponent
+ ],
+ declarations: [NgxFlowchartComponent,
+ FcMagnetDirective,
+ FcConnectorDirective,
+ FcNodeContainerComponent,
+ DefaultFcNodeComponent],
+ providers: [
+ FcModelValidationService,
+ FcEdgeDrawingService,
+ {
+ provide: FC_NODE_COMPONENT_CONFIG,
+ useValue: ɵ0
+ }
+ ],
+ imports: [
+ CommonModule
+ ],
+ exports: [NgxFlowchartComponent,
+ FcMagnetDirective,
+ FcConnectorDirective,
+ DefaultFcNodeComponent]
},] }
];
return NgxFlowchartModule;
}());
export { NgxFlowchartModule };
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\ No newline at end of file
+export { ɵ0 };
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/ngx-flowchart.service.js b/dist/ngx-flowchart/esm5/lib/ngx-flowchart.service.js
deleted file mode 100644
index 142ba65..0000000
--- a/dist/ngx-flowchart/esm5/lib/ngx-flowchart.service.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
- * @fileoverview added by tsickle
- * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
- */
-import { Injectable } from '@angular/core';
-import * as i0 from "@angular/core";
-var NgxFlowchartService = /** @class */ (function () {
- function NgxFlowchartService() {
- }
- NgxFlowchartService.decorators = [
- { type: Injectable, args: [{
- providedIn: 'root'
- },] }
- ];
- /** @nocollapse */
- NgxFlowchartService.ctorParameters = function () { return []; };
- /** @nocollapse */ NgxFlowchartService.ngInjectableDef = i0.ɵɵdefineInjectable({ factory: function NgxFlowchartService_Factory() { return new NgxFlowchartService(); }, token: NgxFlowchartService, providedIn: "root" });
- return NgxFlowchartService;
-}());
-export { NgxFlowchartService };
-//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/node-dragging.service.js b/dist/ngx-flowchart/esm5/lib/node-dragging.service.js
new file mode 100644
index 0000000..ec180ac
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/node-dragging.service.js
@@ -0,0 +1,530 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import * as tslib_1 from "tslib";
+import { FlowchartConstants } from './ngx-flowchart.models';
+/** @type {?} */
+var nodeDropScope = {
+ dropElement: null
+};
+var FcNodeDraggingService = /** @class */ (function () {
+ function FcNodeDraggingService(modelService, applyFunction, automaticResize, dragAnimation) {
+ this.nodeDraggingScope = {
+ shadowDragStarted: false,
+ dropElement: null,
+ draggedNodes: [],
+ shadowElements: []
+ };
+ this.dragOffsets = [];
+ this.draggedElements = [];
+ this.destinationHtmlElements = [];
+ this.oldDisplayStyles = [];
+ this.modelService = modelService;
+ this.automaticResize = automaticResize;
+ this.dragAnimation = dragAnimation;
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @private
+ * @param {?} coordinate
+ * @param {?} max
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.getCoordinate = /**
+ * @private
+ * @param {?} coordinate
+ * @param {?} max
+ * @return {?}
+ */
+ function (coordinate, max) {
+ coordinate = Math.max(coordinate, 0);
+ coordinate = Math.min(coordinate, max);
+ return coordinate;
+ };
+ /**
+ * @private
+ * @param {?} x
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.getXCoordinate = /**
+ * @private
+ * @param {?} x
+ * @return {?}
+ */
+ function (x) {
+ return this.getCoordinate(x, this.modelService.canvasHtmlElement.offsetWidth);
+ };
+ /**
+ * @private
+ * @param {?} y
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.getYCoordinate = /**
+ * @private
+ * @param {?} y
+ * @return {?}
+ */
+ function (y) {
+ return this.getCoordinate(y, this.modelService.canvasHtmlElement.offsetHeight);
+ };
+ /**
+ * @private
+ * @param {?} draggedNode
+ * @param {?} nodeElement
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.resizeCanvas = /**
+ * @private
+ * @param {?} draggedNode
+ * @param {?} nodeElement
+ * @return {?}
+ */
+ function (draggedNode, nodeElement) {
+ if (this.automaticResize && !this.modelService.isDropSource()) {
+ /** @type {?} */
+ var canvasElement = this.modelService.canvasHtmlElement;
+ if (canvasElement.offsetWidth < draggedNode.x + nodeElement.offsetWidth + FlowchartConstants.canvasResizeThreshold) {
+ canvasElement.style.width = canvasElement.offsetWidth + FlowchartConstants.canvasResizeStep + 'px';
+ }
+ if (canvasElement.offsetHeight < draggedNode.y + nodeElement.offsetHeight + FlowchartConstants.canvasResizeThreshold) {
+ canvasElement.style.height = canvasElement.offsetHeight + FlowchartConstants.canvasResizeStep + 'px';
+ }
+ }
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.isDraggingNode = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return this.nodeDraggingScope.draggedNodes.includes(node);
+ };
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.dragstart = /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ var e_1, _a, e_2, _b;
+ if (node.readonly) {
+ return;
+ }
+ this.dragOffsets.length = 0;
+ this.draggedElements.length = 0;
+ this.nodeDraggingScope.draggedNodes.length = 0;
+ this.nodeDraggingScope.shadowElements.length = 0;
+ this.destinationHtmlElements.length = 0;
+ this.oldDisplayStyles.length = 0;
+ /** @type {?} */
+ var elements = [];
+ /** @type {?} */
+ var nodes = [];
+ if (this.modelService.nodes.isSelected(node)) {
+ /** @type {?} */
+ var selectedNodes = this.modelService.nodes.getSelectedNodes();
+ try {
+ for (var selectedNodes_1 = tslib_1.__values(selectedNodes), selectedNodes_1_1 = selectedNodes_1.next(); !selectedNodes_1_1.done; selectedNodes_1_1 = selectedNodes_1.next()) {
+ var selectedNode = selectedNodes_1_1.value;
+ /** @type {?} */
+ var element = $(this.modelService.nodes.getHtmlElement(selectedNode.id));
+ elements.push(element);
+ nodes.push(selectedNode);
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (selectedNodes_1_1 && !selectedNodes_1_1.done && (_a = selectedNodes_1.return)) _a.call(selectedNodes_1);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ }
+ else {
+ elements.push($((/** @type {?} */ (event.target))));
+ nodes.push(node);
+ }
+ /** @type {?} */
+ var offsetsX = [];
+ /** @type {?} */
+ var offsetsY = [];
+ try {
+ for (var elements_1 = tslib_1.__values(elements), elements_1_1 = elements_1.next(); !elements_1_1.done; elements_1_1 = elements_1.next()) {
+ var element = elements_1_1.value;
+ offsetsX.push(parseInt(element.css('left'), 10) - event.clientX);
+ offsetsY.push(parseInt(element.css('top'), 10) - event.clientY);
+ }
+ }
+ catch (e_2_1) { e_2 = { error: e_2_1 }; }
+ finally {
+ try {
+ if (elements_1_1 && !elements_1_1.done && (_b = elements_1.return)) _b.call(elements_1);
+ }
+ finally { if (e_2) throw e_2.error; }
+ }
+ /** @type {?} */
+ var originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ if (this.modelService.isDropSource()) {
+ if (nodeDropScope.dropElement) {
+ nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);
+ nodeDropScope.dropElement = null;
+ }
+ nodeDropScope.dropElement = (/** @type {?} */ (elements[0][0].cloneNode(true)));
+ /** @type {?} */
+ var offset = $(this.modelService.canvasHtmlElement).offset();
+ nodeDropScope.dropElement.offsetInfo = {
+ offsetX: Math.round(offsetsX[0] + offset.left),
+ offsetY: Math.round(offsetsY[0] + offset.top)
+ };
+ nodeDropScope.dropElement.style.position = 'absolute';
+ nodeDropScope.dropElement.style.pointerEvents = 'none';
+ nodeDropScope.dropElement.style.zIndex = '9999';
+ document.body.appendChild(nodeDropScope.dropElement);
+ /** @type {?} */
+ var dropNodeInfo = {
+ node: node,
+ dropTargetId: this.modelService.dropTargetId,
+ offsetX: Math.round(offsetsX[0] + offset.left),
+ offsetY: Math.round(offsetsY[0] + offset.top)
+ };
+ originalEvent.dataTransfer.setData('text', JSON.stringify(dropNodeInfo));
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ /** @type {?} */
+ var target = (/** @type {?} */ (event.target));
+ this.destinationHtmlElements.push(target);
+ this.oldDisplayStyles.push(target.style.display);
+ target.style.display = 'none';
+ this.nodeDraggingScope.shadowDragStarted = true;
+ }
+ return;
+ }
+ this.nodeDraggingScope.draggedNodes = nodes;
+ for (var i = 0; i < elements.length; i++) {
+ this.draggedElements.push(elements[i][0]);
+ this.dragOffsets.push({
+ x: offsetsX[i],
+ y: offsetsY[i]
+ });
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ for (var i = 0; i < this.draggedElements.length; i++) {
+ /** @type {?} */
+ var dragOffset = this.dragOffsets[i];
+ /** @type {?} */
+ var draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var shadowElement = $(""));
+ /** @type {?} */
+ var targetInnerNode = $(this.draggedElements[i]).children()[0];
+ shadowElement.children()[0].style.backgroundColor = targetInnerNode.style.backgroundColor;
+ this.nodeDraggingScope.shadowElements.push(shadowElement);
+ this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[i][0]);
+ }
+ }
+ originalEvent.dataTransfer.setData('text', 'Just to support firefox');
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ for (var i = 0; i < this.draggedElements.length; i++) {
+ this.destinationHtmlElements.push(this.draggedElements[i]);
+ this.oldDisplayStyles.push(this.destinationHtmlElements[i].style.display);
+ this.destinationHtmlElements[i].style.display = 'none';
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.nodeDraggingScope.shadowDragStarted = true;
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (this.modelService.isDropSource()) {
+ event.preventDefault();
+ return false;
+ }
+ /** @type {?} */
+ var dropNode = null;
+ /** @type {?} */
+ var originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ /** @type {?} */
+ var infoText = originalEvent.dataTransfer.getData('text');
+ if (infoText) {
+ /** @type {?} */
+ var dropNodeInfo = null;
+ try {
+ dropNodeInfo = JSON.parse(infoText);
+ }
+ catch (e) { }
+ if (dropNodeInfo && dropNodeInfo.dropTargetId) {
+ if (this.modelService.canvasHtmlElement.id &&
+ this.modelService.canvasHtmlElement.id === dropNodeInfo.dropTargetId) {
+ dropNode = dropNodeInfo.node;
+ /** @type {?} */
+ var offset = $(this.modelService.canvasHtmlElement).offset();
+ /** @type {?} */
+ var x = event.clientX - offset.left;
+ /** @type {?} */
+ var y = event.clientY - offset.top;
+ dropNode.x = Math.round(this.getXCoordinate(dropNodeInfo.offsetX + x));
+ dropNode.y = Math.round(this.getYCoordinate(dropNodeInfo.offsetY + y));
+ }
+ }
+ }
+ if (dropNode) {
+ this.modelService.dropNode(event, dropNode);
+ event.preventDefault();
+ return false;
+ }
+ else if (this.nodeDraggingScope.draggedNodes.length) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = _this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var dragOffset = _this.dragOffsets[i];
+ draggedNode.x = Math.round(_this.getXCoordinate(dragOffset.x + event.clientX));
+ draggedNode.y = Math.round(_this.getYCoordinate(dragOffset.y + event.clientY));
+ }
+ event.preventDefault();
+ return false;
+ }));
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (nodeDropScope.dropElement) {
+ /** @type {?} */
+ var offsetInfo = nodeDropScope.dropElement.offsetInfo;
+ nodeDropScope.dropElement.style.left = (offsetInfo.offsetX + event.clientX) + 'px';
+ nodeDropScope.dropElement.style.top = (offsetInfo.offsetY + event.clientY) + 'px';
+ if (this.nodeDraggingScope.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.destinationHtmlElements[0].style.display = _this.oldDisplayStyles[0];
+ _this.nodeDraggingScope.shadowDragStarted = false;
+ }));
+ }
+ event.preventDefault();
+ return;
+ }
+ if (this.modelService.isDropSource()) {
+ event.preventDefault();
+ return;
+ }
+ if (!this.nodeDraggingScope.draggedNodes.length) {
+ event.preventDefault();
+ return;
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = _this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var dragOffset = _this.dragOffsets[i];
+ draggedNode.x = _this.getXCoordinate(dragOffset.x + event.clientX);
+ draggedNode.y = _this.getYCoordinate(dragOffset.y + event.clientY);
+ _this.resizeCanvas(draggedNode, _this.draggedElements[i]);
+ }
+ event.preventDefault();
+ return false;
+ }));
+ }
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ if (this.nodeDraggingScope.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ _this.destinationHtmlElements[i].style.display = _this.oldDisplayStyles[i];
+ }
+ _this.nodeDraggingScope.shadowDragStarted = false;
+ }));
+ }
+ for (var i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var dragOffset = this.dragOffsets[i];
+ this.nodeDraggingScope.shadowElements[i].css('left', this.getXCoordinate(dragOffset.x + event.clientX) + 'px');
+ this.nodeDraggingScope.shadowElements[i].css('top', this.getYCoordinate(dragOffset.y + event.clientY) + 'px');
+ this.resizeCanvas(draggedNode, this.draggedElements[i]);
+ }
+ event.preventDefault();
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ if (nodeDropScope.dropElement) {
+ nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);
+ nodeDropScope.dropElement = null;
+ }
+ if (_this.modelService.isDropSource()) {
+ return;
+ }
+ if (_this.nodeDraggingScope.shadowElements.length) {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = _this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var shadowElement = _this.nodeDraggingScope.shadowElements[i];
+ draggedNode.x = parseInt(shadowElement.css('left').replace('px', ''), 10);
+ draggedNode.y = parseInt(shadowElement.css('top').replace('px', ''), 10);
+ _this.modelService.canvasHtmlElement.removeChild(shadowElement[0]);
+ }
+ _this.nodeDraggingScope.shadowElements.length = 0;
+ }
+ if (_this.nodeDraggingScope.draggedNodes.length) {
+ _this.nodeDraggingScope.draggedNodes.length = 0;
+ _this.draggedElements.length = 0;
+ _this.dragOffsets.length = 0;
+ }
+ }));
+ };
+ return FcNodeDraggingService;
+}());
+export { FcNodeDraggingService };
+if (false) {
+ /** @type {?} */
+ FcNodeDraggingService.prototype.nodeDraggingScope;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.dragOffsets;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.draggedElements;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.destinationHtmlElements;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.oldDisplayStyles;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.automaticResize;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.dragAnimation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.applyFunction;
+}
+/**
+ * @record
+ */
+export function NodeDraggingScope() { }
+if (false) {
+ /** @type {?} */
+ NodeDraggingScope.prototype.draggedNodes;
+ /** @type {?} */
+ NodeDraggingScope.prototype.shadowElements;
+ /** @type {?} */
+ NodeDraggingScope.prototype.shadowDragStarted;
+ /** @type {?} */
+ NodeDraggingScope.prototype.dropElement;
+}
+/**
+ * @record
+ */
+export function NodeDropElement() { }
+if (false) {
+ /** @type {?|undefined} */
+ NodeDropElement.prototype.offsetInfo;
+}
+/**
+ * @record
+ */
+export function NodeDropScope() { }
+if (false) {
+ /** @type {?} */
+ NodeDropScope.prototype.dropElement;
+}
+/**
+ * @record
+ */
+export function DropNodeInfo() { }
+if (false) {
+ /** @type {?} */
+ DropNodeInfo.prototype.node;
+ /** @type {?} */
+ DropNodeInfo.prototype.dropTargetId;
+ /** @type {?} */
+ DropNodeInfo.prototype.offsetX;
+ /** @type {?} */
+ DropNodeInfo.prototype.offsetY;
+}
+//# 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{ FcModelService } from './model.service';\nimport { FcCoords, FcNode, FlowchartConstants } from './ngx-flowchart.models';\n\nconst nodeDropScope: NodeDropScope = {\n  dropElement: null\n};\n\nexport class FcNodeDraggingService {\n\n  nodeDraggingScope: NodeDraggingScope = {\n    shadowDragStarted: false,\n    dropElement: null,\n    draggedNodes: [],\n    shadowElements: []\n  };\n\n  private dragOffsets: FcCoords[] = [];\n  private draggedElements: HTMLElement[] = [];\n\n  private destinationHtmlElements: HTMLElement[] = [];\n  private oldDisplayStyles: string[] = [];\n\n  private readonly modelService: FcModelService;\n  private readonly automaticResize: boolean;\n  private readonly dragAnimation: string;\n  private readonly applyFunction: <T>(fn: (...args: any[]) => T) => T;\n\n  constructor(modelService: FcModelService,\n              applyFunction: <T>(fn: (...args: any[]) => T) => T,\n              automaticResize: boolean, dragAnimation: string) {\n    this.modelService = modelService;\n    this.automaticResize = automaticResize;\n    this.dragAnimation = dragAnimation;\n    this.applyFunction = applyFunction;\n  }\n\n  private getCoordinate(coordinate: number, max: number): number {\n    coordinate = Math.max(coordinate, 0);\n    coordinate = Math.min(coordinate, max);\n    return coordinate;\n  }\n\n  private getXCoordinate(x: number): number {\n    return this.getCoordinate(x, this.modelService.canvasHtmlElement.offsetWidth);\n  }\n\n  private getYCoordinate(y: number): number {\n    return this.getCoordinate(y, this.modelService.canvasHtmlElement.offsetHeight);\n  }\n\n  private resizeCanvas(draggedNode: FcNode, nodeElement: HTMLElement) {\n    if (this.automaticResize && !this.modelService.isDropSource()) {\n      const canvasElement = this.modelService.canvasHtmlElement;\n      if (canvasElement.offsetWidth < draggedNode.x + nodeElement.offsetWidth + FlowchartConstants.canvasResizeThreshold) {\n        canvasElement.style.width = canvasElement.offsetWidth + FlowchartConstants.canvasResizeStep + 'px';\n      }\n      if (canvasElement.offsetHeight < draggedNode.y + nodeElement.offsetHeight + FlowchartConstants.canvasResizeThreshold) {\n        canvasElement.style.height = canvasElement.offsetHeight + FlowchartConstants.canvasResizeStep + 'px';\n      }\n    }\n  }\n\n  public isDraggingNode(node: FcNode): boolean {\n    return this.nodeDraggingScope.draggedNodes.includes(node);\n  }\n\n  public dragstart(event: DragEvent, node: FcNode) {\n    if (node.readonly) {\n      return;\n    }\n    this.dragOffsets.length = 0;\n    this.draggedElements.length = 0;\n    this.nodeDraggingScope.draggedNodes.length = 0;\n    this.nodeDraggingScope.shadowElements.length = 0;\n    this.destinationHtmlElements.length = 0;\n    this.oldDisplayStyles.length = 0;\n    const elements: Array<JQuery<HTMLElement>> = [];\n    const nodes: Array<FcNode> = [];\n    if (this.modelService.nodes.isSelected(node)) {\n      const selectedNodes = this.modelService.nodes.getSelectedNodes();\n      for (const selectedNode of selectedNodes) {\n        const element = $(this.modelService.nodes.getHtmlElement(selectedNode.id));\n        elements.push(element);\n        nodes.push(selectedNode);\n      }\n    } else {\n      elements.push($(event.target as HTMLElement));\n      nodes.push(node);\n    }\n    const offsetsX: number[] = [];\n    const offsetsY: number[] = [];\n    for (const element of elements) {\n      offsetsX.push(parseInt(element.css('left'), 10) - event.clientX);\n      offsetsY.push(parseInt(element.css('top'), 10) - event.clientY);\n    }\n    const originalEvent: DragEvent = (event as any).originalEvent || event;\n    if (this.modelService.isDropSource()) {\n      if (nodeDropScope.dropElement) {\n        nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n        nodeDropScope.dropElement = null;\n      }\n      nodeDropScope.dropElement = elements[0][0].cloneNode(true) as NodeDropElement;\n      const offset = $(this.modelService.canvasHtmlElement).offset();\n      nodeDropScope.dropElement.offsetInfo = {\n        offsetX: Math.round(offsetsX[0] + offset.left),\n        offsetY: Math.round(offsetsY[0] + offset.top)\n      };\n      nodeDropScope.dropElement.style.position = 'absolute';\n      nodeDropScope.dropElement.style.pointerEvents = 'none';\n      nodeDropScope.dropElement.style.zIndex = '9999';\n\n      document.body.appendChild(nodeDropScope.dropElement);\n      const dropNodeInfo: DropNodeInfo = {\n        node,\n        dropTargetId: this.modelService.dropTargetId,\n        offsetX: Math.round(offsetsX[0] + offset.left),\n        offsetY: Math.round(offsetsY[0] + offset.top)\n      };\n      originalEvent.dataTransfer.setData('text', JSON.stringify(dropNodeInfo));\n\n      if (originalEvent.dataTransfer.setDragImage) {\n        originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n      } else {\n        const target: HTMLElement = event.target as HTMLElement;\n        this.destinationHtmlElements.push(target);\n        this.oldDisplayStyles.push(target.style.display);\n        target.style.display = 'none';\n        this.nodeDraggingScope.shadowDragStarted = true;\n      }\n      return;\n    }\n    this.nodeDraggingScope.draggedNodes = nodes;\n    for (let i = 0; i < elements.length; i++) {\n      this.draggedElements.push(elements[i][0]);\n      this.dragOffsets.push(\n        {\n          x: offsetsX[i],\n          y: offsetsY[i]\n        }\n      );\n    }\n\n    if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n      for (let i = 0; i < this.draggedElements.length; i++) {\n        const dragOffset = this.dragOffsets[i];\n        const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n        const shadowElement = $(`<div style=\"position: absolute; opacity: 0.7; ` +\n                                `top: ${this.getYCoordinate(dragOffset.y + event.clientY)}px; ` +\n                                `left: ${this.getXCoordinate(dragOffset.x + event.clientX)}px; \">` +\n                                `<div class=\"innerNode\"><p style=\"padding: 0 15px;\">${draggedNode.name}</p> </div></div>`);\n        const targetInnerNode = $(this.draggedElements[i]).children()[0];\n        shadowElement.children()[0].style.backgroundColor = targetInnerNode.style.backgroundColor;\n        this.nodeDraggingScope.shadowElements.push(shadowElement);\n        this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[i][0]);\n      }\n    }\n    originalEvent.dataTransfer.setData('text', 'Just to support firefox');\n    if (originalEvent.dataTransfer.setDragImage) {\n      originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n    } else {\n      for (let i = 0; i < this.draggedElements.length; i++) {\n        this.destinationHtmlElements.push(this.draggedElements[i]);\n        this.oldDisplayStyles.push(this.destinationHtmlElements[i].style.display);\n        this.destinationHtmlElements[i].style.display = 'none';\n      }\n      if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n        this.nodeDraggingScope.shadowDragStarted = true;\n      }\n    }\n  }\n\n  public drop(event: DragEvent): boolean {\n    if (this.modelService.isDropSource()) {\n      event.preventDefault();\n      return false;\n    }\n    let dropNode: FcNode = null;\n    const originalEvent: DragEvent = (event as any).originalEvent || event;\n    const infoText = originalEvent.dataTransfer.getData('text');\n    if (infoText) {\n      let dropNodeInfo: DropNodeInfo = null;\n      try {\n        dropNodeInfo = JSON.parse(infoText);\n      } catch (e) {}\n      if (dropNodeInfo && dropNodeInfo.dropTargetId) {\n        if (this.modelService.canvasHtmlElement.id &&\n          this.modelService.canvasHtmlElement.id === dropNodeInfo.dropTargetId) {\n          dropNode = dropNodeInfo.node;\n          const offset = $(this.modelService.canvasHtmlElement).offset();\n          const x = event.clientX - offset.left;\n          const y = event.clientY - offset.top;\n          dropNode.x = Math.round(this.getXCoordinate(dropNodeInfo.offsetX + x));\n          dropNode.y = Math.round(this.getYCoordinate(dropNodeInfo.offsetY + y));\n        }\n      }\n    }\n    if (dropNode) {\n      this.modelService.dropNode(event, dropNode);\n      event.preventDefault();\n      return false;\n    } else if (this.nodeDraggingScope.draggedNodes.length) {\n      return this.applyFunction(() => {\n        for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n          const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n          const dragOffset = this.dragOffsets[i];\n          draggedNode.x = Math.round(this.getXCoordinate(dragOffset.x + event.clientX));\n          draggedNode.y = Math.round(this.getYCoordinate(dragOffset.y + event.clientY));\n        }\n        event.preventDefault();\n        return false;\n      });\n    }\n  }\n\n  public dragover(event: DragEvent) {\n    if (nodeDropScope.dropElement) {\n      const offsetInfo = nodeDropScope.dropElement.offsetInfo;\n      nodeDropScope.dropElement.style.left = (offsetInfo.offsetX + event.clientX) + 'px';\n      nodeDropScope.dropElement.style.top = (offsetInfo.offsetY + event.clientY) + 'px';\n      if (this.nodeDraggingScope.shadowDragStarted) {\n        this.applyFunction(() => {\n          this.destinationHtmlElements[0].style.display = this.oldDisplayStyles[0];\n          this.nodeDraggingScope.shadowDragStarted = false;\n        });\n      }\n      event.preventDefault();\n      return;\n    }\n    if (this.modelService.isDropSource()) {\n      event.preventDefault();\n      return;\n    }\n    if (!this.nodeDraggingScope.draggedNodes.length) {\n      event.preventDefault();\n      return;\n    }\n    if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n      if (this.nodeDraggingScope.draggedNodes.length) {\n        return this.applyFunction(() => {\n          for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n            const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n            const dragOffset = this.dragOffsets[i];\n            draggedNode.x = this.getXCoordinate(dragOffset.x + event.clientX);\n            draggedNode.y = this.getYCoordinate(dragOffset.y + event.clientY);\n            this.resizeCanvas(draggedNode, this.draggedElements[i]);\n          }\n          event.preventDefault();\n          return false;\n        });\n      }\n    } else if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n      if (this.nodeDraggingScope.draggedNodes.length) {\n        if (this.nodeDraggingScope.shadowDragStarted) {\n          this.applyFunction(() => {\n            for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n              this.destinationHtmlElements[i].style.display = this.oldDisplayStyles[i];\n            }\n            this.nodeDraggingScope.shadowDragStarted = false;\n          });\n        }\n        for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n          const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n          const dragOffset = this.dragOffsets[i];\n          this.nodeDraggingScope.shadowElements[i].css('left', this.getXCoordinate(dragOffset.x + event.clientX) + 'px');\n          this.nodeDraggingScope.shadowElements[i].css('top', this.getYCoordinate(dragOffset.y + event.clientY) + 'px');\n          this.resizeCanvas(draggedNode, this.draggedElements[i]);\n        }\n        event.preventDefault();\n      }\n    }\n  }\n\n  public dragend(event: DragEvent) {\n    this.applyFunction(() => {\n      if (nodeDropScope.dropElement) {\n        nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n        nodeDropScope.dropElement = null;\n      }\n      if (this.modelService.isDropSource()) {\n        return;\n      }\n      if (this.nodeDraggingScope.shadowElements.length) {\n        for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n          const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n          const shadowElement = this.nodeDraggingScope.shadowElements[i];\n          draggedNode.x = parseInt(shadowElement.css('left').replace('px', ''), 10);\n          draggedNode.y = parseInt(shadowElement.css('top').replace('px', ''), 10);\n          this.modelService.canvasHtmlElement.removeChild(shadowElement[0]);\n        }\n        this.nodeDraggingScope.shadowElements.length = 0;\n      }\n\n      if (this.nodeDraggingScope.draggedNodes.length) {\n        this.nodeDraggingScope.draggedNodes.length = 0;\n        this.draggedElements.length = 0;\n        this.dragOffsets.length = 0;\n      }\n    });\n  }\n\n}\n\nexport interface NodeDraggingScope {\n  draggedNodes: Array<FcNode>;\n  shadowElements: Array<JQuery<HTMLElement>>;\n  shadowDragStarted: boolean;\n  dropElement: HTMLElement;\n}\n\nexport interface NodeDropElement extends HTMLElement {\n  offsetInfo?: {\n    offsetX: number;\n    offsetY: number;\n  };\n}\n\nexport interface NodeDropScope {\n  dropElement: NodeDropElement;\n}\n\nexport interface DropNodeInfo {\n  node: FcNode;\n  dropTargetId: string;\n  offsetX: number;\n  offsetY: number;\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/node.component.js b/dist/ngx-flowchart/esm5/lib/node.component.js
new file mode 100644
index 0000000..6d1fb86
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/node.component.js
@@ -0,0 +1,387 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import * as tslib_1 from "tslib";
+import { Component, ComponentFactoryResolver, ElementRef, HostBinding, HostListener, Inject, Input, ViewChild, ViewContainerRef } from '@angular/core';
+import { FC_NODE_COMPONENT_CONFIG, FlowchartConstants } from './ngx-flowchart.models';
+import { FcModelService } from './model.service';
+var FcNodeContainerComponent = /** @class */ (function () {
+ function FcNodeContainerComponent(nodeComponentConfig, elementRef, componentFactoryResolver) {
+ this.nodeComponentConfig = nodeComponentConfig;
+ this.elementRef = elementRef;
+ this.componentFactoryResolver = componentFactoryResolver;
+ }
+ Object.defineProperty(FcNodeContainerComponent.prototype, "nodeId", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return this.node.id;
+ },
+ enumerable: true,
+ configurable: true
+ });
+ Object.defineProperty(FcNodeContainerComponent.prototype, "top", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return this.node.y + 'px';
+ },
+ enumerable: true,
+ configurable: true
+ });
+ Object.defineProperty(FcNodeContainerComponent.prototype, "left", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return this.node.x + 'px';
+ },
+ enumerable: true,
+ configurable: true
+ });
+ /**
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ if (!this.userNodeCallbacks) {
+ this.userNodeCallbacks = {};
+ }
+ this.userNodeCallbacks.nodeEdit = this.userNodeCallbacks.nodeEdit || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.doubleClick = this.userNodeCallbacks.doubleClick || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.mouseDown = this.userNodeCallbacks.mouseDown || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.mouseEnter = this.userNodeCallbacks.mouseEnter || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.mouseLeave = this.userNodeCallbacks.mouseLeave || ((/**
+ * @return {?}
+ */
+ function () { }));
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.nodeClass);
+ if (!this.node.readonly) {
+ element.attr('draggable', 'true');
+ }
+ this.updateNodeClass();
+ this.modelservice.nodes.setHtmlElement(this.node.id, element[0]);
+ this.nodeContentContainer.clear();
+ /** @type {?} */
+ var componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType);
+ /** @type {?} */
+ var componentRef = this.nodeContentContainer.createComponent(componentFactory);
+ this.nodeComponent = componentRef.instance;
+ this.nodeComponent.callbacks = this.callbacks;
+ this.nodeComponent.userNodeCallbacks = this.userNodeCallbacks;
+ this.nodeComponent.node = this.node;
+ this.nodeComponent.modelservice = this.modelservice;
+ this.updateNodeComponent();
+ };
+ /**
+ * @param {?} changes
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.ngOnChanges = /**
+ * @param {?} changes
+ * @return {?}
+ */
+ function (changes) {
+ var e_1, _a;
+ /** @type {?} */
+ var updateNode = false;
+ try {
+ for (var _b = tslib_1.__values(Object.keys(changes)), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var propName = _c.value;
+ /** @type {?} */
+ var change = changes[propName];
+ if (!change.firstChange && change.currentValue !== change.previousValue) {
+ if (['selected', 'edit', 'underMouse', 'mouseOverConnector', 'dragging'].includes(propName)) {
+ updateNode = true;
+ }
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ if (updateNode) {
+ this.updateNodeClass();
+ this.updateNodeComponent();
+ }
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.updateNodeClass = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ this.toggleClass(element, FlowchartConstants.selectedClass, this.selected);
+ this.toggleClass(element, FlowchartConstants.editClass, this.edit);
+ this.toggleClass(element, FlowchartConstants.hoverClass, this.underMouse);
+ this.toggleClass(element, FlowchartConstants.draggingClass, this.dragging);
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.updateNodeComponent = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ this.nodeComponent.selected = this.selected;
+ this.nodeComponent.edit = this.edit;
+ this.nodeComponent.underMouse = this.underMouse;
+ this.nodeComponent.mouseOverConnector = this.mouseOverConnector;
+ this.nodeComponent.dragging = this.dragging;
+ };
+ /**
+ * @private
+ * @param {?} element
+ * @param {?} clazz
+ * @param {?} set
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.toggleClass = /**
+ * @private
+ * @param {?} element
+ * @param {?} clazz
+ * @param {?} set
+ * @return {?}
+ */
+ function (element, clazz, set) {
+ if (set) {
+ element.addClass(clazz);
+ }
+ else {
+ element.removeClass(clazz);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.mousedown = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ event.stopPropagation();
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.dragstart = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeDragstart(event, this.node);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeDragend(event);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.click = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeClicked(event, this.node);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.mouseover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeMouseOver(event, this.node);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.mouseout = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeMouseOut(event, this.node);
+ }
+ };
+ FcNodeContainerComponent.decorators = [
+ { type: Component, args: [{
+ selector: 'fc-node',
+ template: ' ',
+ styles: [":host{position:absolute;z-index:1}:host.fc-dragging{z-index:10}:host ::ng-deep .fc-leftConnectors,:host ::ng-deep .fc-rightConnectors{position:absolute;top:0;height:100%;display:flex;flex-direction:column;z-index:-10}:host ::ng-deep .fc-leftConnectors .fc-magnet,:host ::ng-deep .fc-rightConnectors .fc-magnet{align-items:center}:host ::ng-deep .fc-leftConnectors{left:-20px}:host ::ng-deep .fc-rightConnectors{right:-20px}:host ::ng-deep .fc-magnet{display:flex;flex-grow:1;height:60px;justify-content:center}:host ::ng-deep .fc-connector{width:18px;height:18px;border:10px solid transparent;-moz-background-clip:padding;-webkit-background-clip:padding;background-clip:padding-box;border-radius:50%;background-color:#f7a789;color:#fff;pointer-events:all}:host ::ng-deep .fc-connector.fc-hover{background-color:#000}"]
+ }] }
+ ];
+ /** @nocollapse */
+ FcNodeContainerComponent.ctorParameters = function () { return [
+ { type: undefined, decorators: [{ type: Inject, args: [FC_NODE_COMPONENT_CONFIG,] }] },
+ { type: ElementRef },
+ { type: ComponentFactoryResolver }
+ ]; };
+ FcNodeContainerComponent.propDecorators = {
+ callbacks: [{ type: Input }],
+ userNodeCallbacks: [{ type: Input }],
+ node: [{ type: Input }],
+ selected: [{ type: Input }],
+ edit: [{ type: Input }],
+ underMouse: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ dragging: [{ type: Input }],
+ nodeId: [{ type: HostBinding, args: ['attr.id',] }],
+ top: [{ type: HostBinding, args: ['style.top',] }],
+ left: [{ type: HostBinding, args: ['style.left',] }],
+ nodeContentContainer: [{ type: ViewChild, args: ['nodeContent', { read: ViewContainerRef, static: true },] }],
+ mousedown: [{ type: HostListener, args: ['mousedown', ['$event'],] }],
+ dragstart: [{ type: HostListener, args: ['dragstart', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }],
+ click: [{ type: HostListener, args: ['click', ['$event'],] }],
+ mouseover: [{ type: HostListener, args: ['mouseover', ['$event'],] }],
+ mouseout: [{ type: HostListener, args: ['mouseout', ['$event'],] }]
+ };
+ return FcNodeContainerComponent;
+}());
+export { FcNodeContainerComponent };
+if (false) {
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.callbacks;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.node;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.selected;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.edit;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.underMouse;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.modelservice;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.dragging;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.nodeComponent;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.nodeContentContainer;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.nodeComponentConfig;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.elementRef;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.componentFactoryResolver;
+}
+/**
+ * @abstract
+ */
+var FcNodeComponent = /** @class */ (function () {
+ function FcNodeComponent() {
+ this.flowchartConstants = FlowchartConstants;
+ }
+ /**
+ * @return {?}
+ */
+ FcNodeComponent.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ };
+ FcNodeComponent.propDecorators = {
+ callbacks: [{ type: Input }],
+ userNodeCallbacks: [{ type: Input }],
+ node: [{ type: Input }],
+ selected: [{ type: Input }],
+ edit: [{ type: Input }],
+ underMouse: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ dragging: [{ type: Input }]
+ };
+ return FcNodeComponent;
+}());
+export { FcNodeComponent };
+if (false) {
+ /** @type {?} */
+ FcNodeComponent.prototype.callbacks;
+ /** @type {?} */
+ FcNodeComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ FcNodeComponent.prototype.node;
+ /** @type {?} */
+ FcNodeComponent.prototype.selected;
+ /** @type {?} */
+ FcNodeComponent.prototype.edit;
+ /** @type {?} */
+ FcNodeComponent.prototype.underMouse;
+ /** @type {?} */
+ FcNodeComponent.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcNodeComponent.prototype.modelservice;
+ /** @type {?} */
+ FcNodeComponent.prototype.dragging;
+ /** @type {?} */
+ FcNodeComponent.prototype.flowchartConstants;
+}
+//# 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{\n  Component,\n  ComponentFactoryResolver, Directive,\n  ElementRef, HostBinding,\n  HostListener,\n  Inject,\n  Input,\n  OnChanges,\n  OnInit,\n  SimpleChanges,\n  ViewChild,\n  ViewContainerRef\n} from '@angular/core';\nimport {\n  FC_NODE_COMPONENT_CONFIG,\n  FcCallbacks,\n  FcConnector,\n  FcNode,\n  FcNodeComponentConfig,\n  FlowchartConstants,\n  UserNodeCallbacks\n} from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\n\n@Component({\n  selector: 'fc-node',\n  template: '<ng-template #nodeContent></ng-template>',\n  styleUrls: ['./node.component.scss']\n})\nexport class FcNodeContainerComponent implements OnInit, OnChanges {\n\n  @Input()\n  callbacks: FcCallbacks;\n\n  @Input()\n  userNodeCallbacks: UserNodeCallbacks;\n\n  @Input()\n  node: FcNode;\n\n  @Input()\n  selected: boolean;\n\n  @Input()\n  edit: boolean;\n\n  @Input()\n  underMouse: boolean;\n\n  @Input()\n  mouseOverConnector: FcConnector;\n\n  @Input()\n  modelservice: FcModelService;\n\n  @Input()\n  dragging: boolean;\n\n  @HostBinding('attr.id')\n  get nodeId(): string {\n    return this.node.id;\n  }\n\n  @HostBinding('style.top')\n  get top(): string {\n    return this.node.y + 'px';\n  }\n\n  @HostBinding('style.left')\n  get left(): string {\n    return this.node.x + 'px';\n  }\n\n  nodeComponent: FcNodeComponent;\n\n  @ViewChild('nodeContent', {read: ViewContainerRef, static: true}) nodeContentContainer: ViewContainerRef;\n\n  constructor(@Inject(FC_NODE_COMPONENT_CONFIG) private nodeComponentConfig: FcNodeComponentConfig,\n              private elementRef: ElementRef<HTMLElement>,\n              private componentFactoryResolver: ComponentFactoryResolver) {\n  }\n\n  ngOnInit(): void {\n    if (!this.userNodeCallbacks) {\n      this.userNodeCallbacks = {};\n    }\n    this.userNodeCallbacks.nodeEdit = this.userNodeCallbacks.nodeEdit || (() => {});\n    this.userNodeCallbacks.doubleClick = this.userNodeCallbacks.doubleClick || (() => {});\n    this.userNodeCallbacks.mouseDown = this.userNodeCallbacks.mouseDown || (() => {});\n    this.userNodeCallbacks.mouseEnter = this.userNodeCallbacks.mouseEnter || (() => {});\n    this.userNodeCallbacks.mouseLeave = this.userNodeCallbacks.mouseLeave || (() => {});\n\n    const element = $(this.elementRef.nativeElement);\n    element.addClass(FlowchartConstants.nodeClass);\n    if (!this.node.readonly) {\n      element.attr('draggable', 'true');\n    }\n    this.updateNodeClass();\n    this.modelservice.nodes.setHtmlElement(this.node.id, element[0]);\n    this.nodeContentContainer.clear();\n    const componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType);\n    const componentRef = this.nodeContentContainer.createComponent(componentFactory);\n    this.nodeComponent = componentRef.instance;\n    this.nodeComponent.callbacks = this.callbacks;\n    this.nodeComponent.userNodeCallbacks = this.userNodeCallbacks;\n    this.nodeComponent.node = this.node;\n    this.nodeComponent.modelservice = this.modelservice;\n    this.updateNodeComponent();\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    let updateNode = false;\n    for (const propName of Object.keys(changes)) {\n      const change = changes[propName];\n      if (!change.firstChange && change.currentValue !== change.previousValue) {\n        if (['selected', 'edit', 'underMouse', 'mouseOverConnector', 'dragging'].includes(propName)) {\n          updateNode = true;\n        }\n      }\n    }\n    if (updateNode) {\n      this.updateNodeClass();\n      this.updateNodeComponent();\n    }\n  }\n\n  private updateNodeClass() {\n    const element = $(this.elementRef.nativeElement);\n    this.toggleClass(element, FlowchartConstants.selectedClass, this.selected);\n    this.toggleClass(element, FlowchartConstants.editClass, this.edit);\n    this.toggleClass(element, FlowchartConstants.hoverClass, this.underMouse);\n    this.toggleClass(element, FlowchartConstants.draggingClass, this.dragging);\n  }\n\n  private updateNodeComponent() {\n    this.nodeComponent.selected = this.selected;\n    this.nodeComponent.edit = this.edit;\n    this.nodeComponent.underMouse = this.underMouse;\n    this.nodeComponent.mouseOverConnector = this.mouseOverConnector;\n    this.nodeComponent.dragging = this.dragging;\n  }\n\n  private toggleClass(element: JQuery<HTMLElement>, clazz: string, set: boolean) {\n    if (set) {\n      element.addClass(clazz);\n    } else {\n      element.removeClass(clazz);\n    }\n  }\n\n  @HostListener('mousedown', ['$event'])\n  mousedown(event: MouseEvent) {\n    event.stopPropagation();\n  }\n\n  @HostListener('dragstart', ['$event'])\n  dragstart(event: DragEvent) {\n    if (!this.node.readonly) {\n      this.callbacks.nodeDragstart(event, this.node);\n    }\n  }\n\n  @HostListener('dragend', ['$event'])\n  dragend(event: DragEvent) {\n    if (!this.node.readonly) {\n      this.callbacks.nodeDragend(event);\n    }\n  }\n\n  @HostListener('click', ['$event'])\n  click(event: MouseEvent) {\n    if (!this.node.readonly) {\n      this.callbacks.nodeClicked(event, this.node);\n    }\n  }\n\n  @HostListener('mouseover', ['$event'])\n  mouseover(event: MouseEvent) {\n    if (!this.node.readonly) {\n      this.callbacks.nodeMouseOver(event, this.node);\n    }\n  }\n\n  @HostListener('mouseout', ['$event'])\n  mouseout(event: MouseEvent) {\n    if (!this.node.readonly) {\n      this.callbacks.nodeMouseOut(event, this.node);\n    }\n  }\n\n}\n\nexport abstract class FcNodeComponent implements OnInit {\n\n  @Input()\n  callbacks: FcCallbacks;\n\n  @Input()\n  userNodeCallbacks: UserNodeCallbacks;\n\n  @Input()\n  node: FcNode;\n\n  @Input()\n  selected: boolean;\n\n  @Input()\n  edit: boolean;\n\n  @Input()\n  underMouse: boolean;\n\n  @Input()\n  mouseOverConnector: FcConnector;\n\n  @Input()\n  modelservice: FcModelService;\n\n  @Input()\n  dragging: boolean;\n\n  flowchartConstants = FlowchartConstants;\n\n  ngOnInit(): void {\n  }\n\n}\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/rectangleselect.service.js b/dist/ngx-flowchart/esm5/lib/rectangleselect.service.js
new file mode 100644
index 0000000..6556fbb
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/rectangleselect.service.js
@@ -0,0 +1,217 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+import scrollparent from './scrollparent';
+/**
+ * @record
+ */
+function Rectangle() { }
+if (false) {
+ /** @type {?} */
+ Rectangle.prototype.x1;
+ /** @type {?} */
+ Rectangle.prototype.x2;
+ /** @type {?} */
+ Rectangle.prototype.y1;
+ /** @type {?} */
+ Rectangle.prototype.y2;
+}
+var FcRectangleSelectService = /** @class */ (function () {
+ function FcRectangleSelectService(modelService, selectElement, applyFunction) {
+ this.selectRect = {
+ x1: 0,
+ x2: 0,
+ y1: 0,
+ y2: 0
+ };
+ this.modelService = modelService;
+ this.selectElement = selectElement;
+ this.$canvasElement = $(this.modelService.canvasHtmlElement);
+ this.$scrollParent = $(scrollparent(this.modelService.canvasHtmlElement));
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.mousedown = /**
+ * @param {?} e
+ * @return {?}
+ */
+ function (e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && this.selectElement.hidden) {
+ this.selectElement.hidden = false;
+ /** @type {?} */
+ var offset = this.$canvasElement.offset();
+ this.selectRect.x1 = Math.round(e.pageX - offset.left);
+ this.selectRect.y1 = Math.round(e.pageY - offset.top);
+ this.selectRect.x2 = this.selectRect.x1;
+ this.selectRect.y2 = this.selectRect.y1;
+ this.updateSelectRect();
+ }
+ };
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.mousemove = /**
+ * @param {?} e
+ * @return {?}
+ */
+ function (e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && !this.selectElement.hidden) {
+ /** @type {?} */
+ var offset = this.$canvasElement.offset();
+ this.selectRect.x2 = Math.round(e.pageX - offset.left);
+ this.selectRect.y2 = Math.round(e.pageY - offset.top);
+ this.updateScroll(offset);
+ this.updateSelectRect();
+ }
+ };
+ /**
+ * @private
+ * @param {?} offset
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.updateScroll = /**
+ * @private
+ * @param {?} offset
+ * @return {?}
+ */
+ function (offset) {
+ /** @type {?} */
+ var rect = this.$scrollParent[0].getBoundingClientRect();
+ /** @type {?} */
+ var bottom = rect.bottom - offset.top;
+ /** @type {?} */
+ var right = rect.right - offset.left;
+ /** @type {?} */
+ var top = rect.top - offset.top;
+ /** @type {?} */
+ var left = rect.left - offset.left;
+ if (this.selectRect.y2 - top < 25) {
+ /** @type {?} */
+ var topScroll = 25 - (this.selectRect.y2 - top);
+ /** @type {?} */
+ var scroll_1 = this.$scrollParent.scrollTop();
+ this.$scrollParent.scrollTop(scroll_1 - topScroll);
+ }
+ else if (bottom - this.selectRect.y2 < 40) {
+ /** @type {?} */
+ var bottomScroll = 40 - (bottom - this.selectRect.y2);
+ /** @type {?} */
+ var scroll_2 = this.$scrollParent.scrollTop();
+ this.$scrollParent.scrollTop(scroll_2 + bottomScroll);
+ }
+ if (this.selectRect.x2 - left < 25) {
+ /** @type {?} */
+ var leftScroll = 25 - (this.selectRect.x2 - left);
+ /** @type {?} */
+ var scroll_3 = this.$scrollParent.scrollLeft();
+ this.$scrollParent.scrollLeft(scroll_3 - leftScroll);
+ }
+ else if (right - this.selectRect.x2 < 40) {
+ /** @type {?} */
+ var rightScroll = 40 - (right - this.selectRect.x2);
+ /** @type {?} */
+ var scroll_4 = this.$scrollParent.scrollLeft();
+ this.$scrollParent.scrollLeft(scroll_4 + rightScroll);
+ }
+ };
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.mouseup = /**
+ * @param {?} e
+ * @return {?}
+ */
+ function (e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && !this.selectElement.hidden) {
+ /** @type {?} */
+ var rectBox = (/** @type {?} */ (this.selectElement.getBoundingClientRect()));
+ this.selectElement.hidden = true;
+ this.selectObjects(rectBox);
+ }
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.updateSelectRect = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var x3 = Math.min(this.selectRect.x1, this.selectRect.x2);
+ /** @type {?} */
+ var x4 = Math.max(this.selectRect.x1, this.selectRect.x2);
+ /** @type {?} */
+ var y3 = Math.min(this.selectRect.y1, this.selectRect.y2);
+ /** @type {?} */
+ var y4 = Math.max(this.selectRect.y1, this.selectRect.y2);
+ this.selectElement.style.left = x3 + 'px';
+ this.selectElement.style.top = y3 + 'px';
+ this.selectElement.style.width = x4 - x3 + 'px';
+ this.selectElement.style.height = y4 - y3 + 'px';
+ };
+ /**
+ * @private
+ * @param {?} rectBox
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.selectObjects = /**
+ * @private
+ * @param {?} rectBox
+ * @return {?}
+ */
+ function (rectBox) {
+ var _this = this;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.modelService.selectAllInRect(rectBox);
+ }));
+ };
+ return FcRectangleSelectService;
+}());
+export { FcRectangleSelectService };
+if (false) {
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.selectRect;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.selectElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.$canvasElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.$scrollParent;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.applyFunction;
+}
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{ FcModelService } from './model.service';\nimport { FcRectBox } from 'ngx-flowchart-dev';\nimport scrollparent from './scrollparent';\n\ninterface Rectangle {\n  x1: number;\n  x2: number;\n  y1: number;\n  y2: number;\n}\n\nexport class FcRectangleSelectService {\n\n  private readonly selectRect: Rectangle = {\n    x1: 0,\n    x2: 0,\n    y1: 0,\n    y2: 0\n  };\n\n  private readonly modelService: FcModelService;\n  private readonly selectElement: HTMLElement;\n  private readonly $canvasElement: JQuery<HTMLElement>;\n  private readonly $scrollParent: JQuery<HTMLElement>;\n  private readonly applyFunction: <T>(fn: (...args: any[]) => T) => T;\n\n  constructor(modelService: FcModelService,\n              selectElement: HTMLElement,\n              applyFunction: <T>(fn: (...args: any[]) => T) => T) {\n    this.modelService = modelService;\n    this.selectElement = selectElement;\n    this.$canvasElement = $(this.modelService.canvasHtmlElement);\n    this.$scrollParent = $(scrollparent(this.modelService.canvasHtmlElement));\n    this.applyFunction = applyFunction;\n  }\n\n  public mousedown(e: MouseEvent) {\n    if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n      && this.selectElement.hidden) {\n      this.selectElement.hidden = false;\n      const offset = this.$canvasElement.offset();\n      this.selectRect.x1 = Math.round(e.pageX - offset.left);\n      this.selectRect.y1 = Math.round(e.pageY - offset.top);\n      this.selectRect.x2 = this.selectRect.x1;\n      this.selectRect.y2 = this.selectRect.y1;\n      this.updateSelectRect();\n    }\n  }\n\n  public mousemove(e: MouseEvent) {\n    if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n      && !this.selectElement.hidden) {\n      const offset = this.$canvasElement.offset();\n      this.selectRect.x2 = Math.round(e.pageX - offset.left);\n      this.selectRect.y2 = Math.round(e.pageY - offset.top);\n      this.updateScroll(offset);\n      this.updateSelectRect();\n    }\n  }\n\n  private updateScroll(offset: JQuery.Coordinates) {\n    const rect = this.$scrollParent[0].getBoundingClientRect();\n    const bottom = rect.bottom - offset.top;\n    const right = rect.right - offset.left;\n    const top = rect.top - offset.top;\n    const left = rect.left - offset.left;\n    if (this.selectRect.y2 - top < 25) {\n      const topScroll = 25 - (this.selectRect.y2 - top);\n      const scroll = this.$scrollParent.scrollTop();\n      this.$scrollParent.scrollTop(scroll - topScroll);\n    } else if (bottom - this.selectRect.y2 < 40) {\n      const bottomScroll = 40 - (bottom - this.selectRect.y2);\n      const scroll = this.$scrollParent.scrollTop();\n      this.$scrollParent.scrollTop(scroll + bottomScroll);\n    }\n    if (this.selectRect.x2 - left < 25) {\n      const leftScroll = 25 - (this.selectRect.x2 - left);\n      const scroll = this.$scrollParent.scrollLeft();\n      this.$scrollParent.scrollLeft(scroll - leftScroll);\n    } else if (right - this.selectRect.x2 < 40) {\n      const rightScroll = 40 - (right - this.selectRect.x2);\n      const scroll = this.$scrollParent.scrollLeft();\n      this.$scrollParent.scrollLeft(scroll + rightScroll);\n    }\n  }\n\n  public mouseup(e: MouseEvent) {\n    if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n      && !this.selectElement.hidden) {\n      const rectBox = this.selectElement.getBoundingClientRect() as FcRectBox;\n      this.selectElement.hidden = true;\n      this.selectObjects(rectBox);\n    }\n  }\n\n  private updateSelectRect() {\n    const x3 = Math.min(this.selectRect.x1, this.selectRect.x2);\n    const x4 = Math.max(this.selectRect.x1, this.selectRect.x2);\n    const y3 = Math.min(this.selectRect.y1, this.selectRect.y2);\n    const y4 = Math.max(this.selectRect.y1, this.selectRect.y2);\n    this.selectElement.style.left = x3 + 'px';\n    this.selectElement.style.top = y3 + 'px';\n    this.selectElement.style.width = x4 - x3 + 'px';\n    this.selectElement.style.height = y4 - y3 + 'px';\n  }\n\n  private selectObjects(rectBox: FcRectBox) {\n    this.applyFunction(() => {\n      this.modelService.selectAllInRect(rectBox);\n    });\n  }\n\n}\n\n"]}
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/lib/scrollparent.js b/dist/ngx-flowchart/esm5/lib/scrollparent.js
new file mode 100644
index 0000000..373bcdf
--- /dev/null
+++ b/dist/ngx-flowchart/esm5/lib/scrollparent.js
@@ -0,0 +1,43 @@
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+/** @type {?} */
+var regex = /(auto|scroll)/;
+/** @type {?} */
+var style = (/**
+ * @param {?} node
+ * @param {?} prop
+ * @return {?}
+ */
+function (node, prop) {
+ return getComputedStyle(node, null).getPropertyValue(prop);
+});
+var ɵ0 = style;
+/** @type {?} */
+var scroll = (/**
+ * @param {?} node
+ * @return {?}
+ */
+function (node) {
+ return regex.test(style(node, 'overflow') +
+ style(node, 'overflow-y') +
+ style(node, 'overflow-x'));
+});
+var ɵ1 = scroll;
+/** @type {?} */
+var scrollparent = (/**
+ * @param {?} node
+ * @return {?}
+ */
+function (node) {
+ return !node || node === document.body
+ ? document.body
+ : scroll(node)
+ ? node
+ : scrollparent((/** @type {?} */ (node.parentNode)));
+});
+var ɵ2 = scrollparent;
+export default scrollparent;
+export { ɵ0, ɵ1, ɵ2 };
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/ngx-flowchart.js b/dist/ngx-flowchart/esm5/ngx-flowchart.js
index 05edc6b..57d9d13 100644
--- a/dist/ngx-flowchart/esm5/ngx-flowchart.js
+++ b/dist/ngx-flowchart/esm5/ngx-flowchart.js
@@ -5,5 +5,11 @@
/**
* Generated bundle index. Do not edit.
*/
-export { NgxFlowchartService, NgxFlowchartComponent, NgxFlowchartModule } from './public-api';
-//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoibmd4LWZsb3djaGFydC5qcyIsInNvdXJjZVJvb3QiOiJuZzovL25neC1mbG93Y2hhcnQvIiwic291cmNlcyI6WyJuZ3gtZmxvd2NoYXJ0LnRzIl0sIm5hbWVzIjpbXSwibWFwcGluZ3MiOiI7Ozs7Ozs7QUFJQSwrRUFBYyxjQUFjLENBQUMiLCJzb3VyY2VzQ29udGVudCI6WyIvKipcbiAqIEdlbmVyYXRlZCBidW5kbGUgaW5kZXguIERvIG5vdCBlZGl0LlxuICovXG5cbmV4cG9ydCAqIGZyb20gJy4vcHVibGljLWFwaSc7XG4iXX0=
\ No newline at end of file
+export { FcNodeComponent, NgxFlowchartComponent, NgxFlowchartModule, fcTopSort, FC_NODE_COMPONENT_CONFIG, FlowchartConstants, ModelvalidationError } from './public-api';
+export { FcConnectorDirective as ɵf } from './lib/connector.directive';
+export { DefaultFcNodeComponent as ɵd } from './lib/default-node.component';
+export { FcEdgeDrawingService as ɵc } from './lib/edge-drawing.service';
+export { FcMagnetDirective as ɵe } from './lib/magnet.directive';
+export { FcModelValidationService as ɵb } from './lib/modelvalidation.service';
+export { FcNodeContainerComponent as ɵa } from './lib/node.component';
+//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoibmd4LWZsb3djaGFydC5qcyIsInNvdXJjZVJvb3QiOiJuZzovL25neC1mbG93Y2hhcnQvIiwic291cmNlcyI6WyJuZ3gtZmxvd2NoYXJ0LnRzIl0sIm5hbWVzIjpbXSwibWFwcGluZ3MiOiI7Ozs7Ozs7QUFJQSwwSkFBYyxjQUFjLENBQUM7QUFFN0IsT0FBTyxFQUFDLG9CQUFvQixJQUFJLEVBQUUsRUFBQyxNQUFNLDJCQUEyQixDQUFDO0FBQ3JFLE9BQU8sRUFBQyxzQkFBc0IsSUFBSSxFQUFFLEVBQUMsTUFBTSw4QkFBOEIsQ0FBQztBQUMxRSxPQUFPLEVBQUMsb0JBQW9CLElBQUksRUFBRSxFQUFDLE1BQU0sNEJBQTRCLENBQUM7QUFDdEUsT0FBTyxFQUFDLGlCQUFpQixJQUFJLEVBQUUsRUFBQyxNQUFNLHdCQUF3QixDQUFDO0FBQy9ELE9BQU8sRUFBQyx3QkFBd0IsSUFBSSxFQUFFLEVBQUMsTUFBTSwrQkFBK0IsQ0FBQztBQUM3RSxPQUFPLEVBQUMsd0JBQXdCLElBQUksRUFBRSxFQUFDLE1BQU0sc0JBQXNCLENBQUMiLCJzb3VyY2VzQ29udGVudCI6WyIvKipcbiAqIEdlbmVyYXRlZCBidW5kbGUgaW5kZXguIERvIG5vdCBlZGl0LlxuICovXG5cbmV4cG9ydCAqIGZyb20gJy4vcHVibGljLWFwaSc7XG5cbmV4cG9ydCB7RmNDb25uZWN0b3JEaXJlY3RpdmUgYXMgybVmfSBmcm9tICcuL2xpYi9jb25uZWN0b3IuZGlyZWN0aXZlJztcbmV4cG9ydCB7RGVmYXVsdEZjTm9kZUNvbXBvbmVudCBhcyDJtWR9IGZyb20gJy4vbGliL2RlZmF1bHQtbm9kZS5jb21wb25lbnQnO1xuZXhwb3J0IHtGY0VkZ2VEcmF3aW5nU2VydmljZSBhcyDJtWN9IGZyb20gJy4vbGliL2VkZ2UtZHJhd2luZy5zZXJ2aWNlJztcbmV4cG9ydCB7RmNNYWduZXREaXJlY3RpdmUgYXMgybVlfSBmcm9tICcuL2xpYi9tYWduZXQuZGlyZWN0aXZlJztcbmV4cG9ydCB7RmNNb2RlbFZhbGlkYXRpb25TZXJ2aWNlIGFzIMm1Yn0gZnJvbSAnLi9saWIvbW9kZWx2YWxpZGF0aW9uLnNlcnZpY2UnO1xuZXhwb3J0IHtGY05vZGVDb250YWluZXJDb21wb25lbnQgYXMgybVhfSBmcm9tICcuL2xpYi9ub2RlLmNvbXBvbmVudCc7Il19
\ No newline at end of file
diff --git a/dist/ngx-flowchart/esm5/public-api.js b/dist/ngx-flowchart/esm5/public-api.js
index eab613d..bae0376 100644
--- a/dist/ngx-flowchart/esm5/public-api.js
+++ b/dist/ngx-flowchart/esm5/public-api.js
@@ -5,7 +5,8 @@
/*
* Public API Surface of ngx-flowchart
*/
-export { NgxFlowchartService } from './lib/ngx-flowchart.service';
export { NgxFlowchartComponent } from './lib/ngx-flowchart.component';
export { NgxFlowchartModule } from './lib/ngx-flowchart.module';
-//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
+export { fcTopSort, FC_NODE_COMPONENT_CONFIG, FlowchartConstants, ModelvalidationError } from './lib/ngx-flowchart.models';
+export { FcNodeComponent } from './lib/node.component';
+//# sourceMappingURL=data:application/json;base64,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
\ No newline at end of file
diff --git a/dist/ngx-flowchart/fesm2015/ngx-flowchart.js b/dist/ngx-flowchart/fesm2015/ngx-flowchart.js
index e6d7e06..aba5216 100644
--- a/dist/ngx-flowchart/fesm2015/ngx-flowchart.js
+++ b/dist/ngx-flowchart/fesm2015/ngx-flowchart.js
@@ -1,57 +1,3592 @@
-import { Injectable, ɵɵdefineInjectable, Component, NgModule } from '@angular/core';
+import { InjectionToken, Injectable, Component, ChangeDetectionStrategy, ElementRef, IterableDiffers, ChangeDetectorRef, NgZone, HostBinding, Input, HostListener, Directive, Inject, ComponentFactoryResolver, ViewChild, ViewContainerRef, NgModule } from '@angular/core';
+import { of } from 'rxjs';
+import { CommonModule } from '@angular/common';
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
-class NgxFlowchartService {
+/** @type {?} */
+const FC_NODE_COMPONENT_CONFIG = new InjectionToken('fc-node.component.config');
+/**
+ * @record
+ */
+function FcNodeComponentConfig() { }
+if (false) {
+ /** @type {?} */
+ FcNodeComponentConfig.prototype.nodeComponentType;
+}
+/** @type {?} */
+const htmlPrefix = 'fc';
+/** @type {?} */
+const leftConnectorType = 'leftConnector';
+/** @type {?} */
+const rightConnectorType = 'rightConnector';
+/** @type {?} */
+const FlowchartConstants = {
+ htmlPrefix,
+ leftConnectorType,
+ rightConnectorType,
+ curvedStyle: 'curved',
+ lineStyle: 'line',
+ dragAnimationRepaint: 'repaint',
+ dragAnimationShadow: 'shadow',
+ canvasClass: htmlPrefix + '-canvas',
+ selectedClass: htmlPrefix + '-selected',
+ editClass: htmlPrefix + '-edit',
+ activeClass: htmlPrefix + '-active',
+ hoverClass: htmlPrefix + '-hover',
+ draggingClass: htmlPrefix + '-dragging',
+ edgeClass: htmlPrefix + '-edge',
+ edgeLabelClass: htmlPrefix + '-edge-label',
+ connectorClass: htmlPrefix + '-connector',
+ magnetClass: htmlPrefix + '-magnet',
+ nodeClass: htmlPrefix + '-node',
+ nodeOverlayClass: htmlPrefix + '-node-overlay',
+ leftConnectorClass: htmlPrefix + '-' + leftConnectorType + 's',
+ rightConnectorClass: htmlPrefix + '-' + rightConnectorType + 's',
+ canvasResizeThreshold: 200,
+ canvasResizeStep: 200
+};
+/**
+ * @record
+ */
+function FcCoords() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcCoords.prototype.x;
+ /** @type {?|undefined} */
+ FcCoords.prototype.y;
+}
+/**
+ * @record
+ */
+function FcOffset() { }
+if (false) {
+ /** @type {?} */
+ FcOffset.prototype.top;
+ /** @type {?} */
+ FcOffset.prototype.left;
+}
+/**
+ * @record
+ */
+function FcRectBox() { }
+if (false) {
+ /** @type {?} */
+ FcRectBox.prototype.top;
+ /** @type {?} */
+ FcRectBox.prototype.left;
+ /** @type {?} */
+ FcRectBox.prototype.right;
+ /** @type {?} */
+ FcRectBox.prototype.bottom;
+}
+/**
+ * @record
+ */
+function FcConnector() { }
+if (false) {
+ /** @type {?} */
+ FcConnector.prototype.id;
+ /** @type {?} */
+ FcConnector.prototype.type;
+}
+/**
+ * @record
+ */
+function FcNode() { }
+if (false) {
+ /** @type {?} */
+ FcNode.prototype.id;
+ /** @type {?} */
+ FcNode.prototype.name;
+ /** @type {?} */
+ FcNode.prototype.connectors;
+ /** @type {?|undefined} */
+ FcNode.prototype.readonly;
+ /* Skipping unhandled member: [key: string]: any;*/
+}
+/**
+ * @record
+ */
+function FcEdge() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcEdge.prototype.label;
+ /** @type {?|undefined} */
+ FcEdge.prototype.source;
+ /** @type {?|undefined} */
+ FcEdge.prototype.destination;
+ /** @type {?|undefined} */
+ FcEdge.prototype.active;
+}
+/**
+ * @record
+ */
+function FcItemInfo() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcItemInfo.prototype.node;
+ /** @type {?|undefined} */
+ FcItemInfo.prototype.edge;
+}
+/**
+ * @record
+ */
+function FcModel() { }
+if (false) {
+ /** @type {?} */
+ FcModel.prototype.nodes;
+ /** @type {?} */
+ FcModel.prototype.edges;
+}
+/**
+ * @record
+ */
+function UserCallbacks() { }
+if (false) {
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.dropNode;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.createEdge;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeAdded;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.nodeRemoved;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeRemoved;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeDoubleClick;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeMouseOver;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.isValidEdge;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeEdit;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.nodeCallbacks;
+}
+/**
+ * @record
+ */
+function UserNodeCallbacks() { }
+if (false) {
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.nodeEdit;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.doubleClick;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseDown;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseEnter;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseLeave;
+}
+/**
+ * @record
+ */
+function FcCallbacks() { }
+if (false) {
+ /** @type {?} */
+ FcCallbacks.prototype.nodeDragstart;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeDragend;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragstart;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragend;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDrop;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragoverConnector;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragoverMagnet;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragleaveMagnet;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeMouseOver;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeMouseOut;
+ /** @type {?} */
+ FcCallbacks.prototype.connectorMouseEnter;
+ /** @type {?} */
+ FcCallbacks.prototype.connectorMouseLeave;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeClicked;
+}
+/**
+ * @record
+ */
+function FcAdjacentList() { }
+class ModelvalidationError extends Error {
+ /**
+ * @param {?} message
+ */
+ constructor(message) {
+ super(message);
+ }
+}
+/**
+ * @param {?} graph
+ * @return {?}
+ */
+function fcTopSort(graph) {
+ /** @type {?} */
+ const adjacentList = {};
+ graph.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ adjacentList[node.id] = { incoming: 0, outgoing: [] };
+ }));
+ graph.edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ (edge) => {
+ /** @type {?} */
+ const sourceNode = graph.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ return connector.id === edge.source;
+ }));
+ }))[0];
+ /** @type {?} */
+ const destinationNode = graph.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ return connector.id === edge.destination;
+ }));
+ }))[0];
+ adjacentList[sourceNode.id].outgoing.push(destinationNode.id);
+ adjacentList[destinationNode.id].incoming++;
+ }));
+ /** @type {?} */
+ const orderedNodes = [];
+ /** @type {?} */
+ const sourceNodes = [];
+ for (const node of Object.keys(adjacentList)) {
+ /** @type {?} */
+ const edges = adjacentList[node];
+ if (edges.incoming === 0) {
+ sourceNodes.push(node);
+ }
+ }
+ while (sourceNodes.length !== 0) {
+ /** @type {?} */
+ const sourceNode = sourceNodes.pop();
+ for (let i = 0; i < adjacentList[sourceNode].outgoing.length; i++) {
+ /** @type {?} */
+ const destinationNode = adjacentList[sourceNode].outgoing[i];
+ adjacentList[destinationNode].incoming--;
+ if (adjacentList[destinationNode].incoming === 0) {
+ sourceNodes.push(destinationNode);
+ }
+ adjacentList[sourceNode].outgoing.splice(i, 1);
+ i--;
+ }
+ orderedNodes.push(sourceNode);
+ }
+ /** @type {?} */
+ let hasEdges = false;
+ for (const node of Object.keys(adjacentList)) {
+ /** @type {?} */
+ const edges = adjacentList[node];
+ if (edges.incoming !== 0) {
+ hasEdges = true;
+ }
+ }
+ if (hasEdges) {
+ return null;
+ }
+ else {
+ return orderedNodes;
+ }
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+class FcModelService {
+ /**
+ * @param {?} modelValidation
+ * @param {?} model
+ * @param {?} cd
+ * @param {?} selectedObjects
+ * @param {?} dropNode
+ * @param {?} createEdge
+ * @param {?} edgeAddedCallback
+ * @param {?} nodeRemovedCallback
+ * @param {?} edgeRemovedCallback
+ * @param {?} canvasHtmlElement
+ * @param {?} svgHtmlElement
+ */
+ constructor(modelValidation, model, cd, selectedObjects, dropNode, createEdge, edgeAddedCallback, nodeRemovedCallback, edgeRemovedCallback, canvasHtmlElement, svgHtmlElement) {
+ this.connectorsHtmlElements = {};
+ this.nodesHtmlElements = {};
+ this.canvasHtmlElement = null;
+ this.dragImage = null;
+ this.svgHtmlElement = null;
+ this.modelValidation = modelValidation;
+ this.model = model;
+ this.cd = cd;
+ this.canvasHtmlElement = canvasHtmlElement;
+ this.svgHtmlElement = svgHtmlElement;
+ this.modelValidation.validateModel(this.model);
+ this.selectedObjects = selectedObjects;
+ this.dropNode = dropNode || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.createEdge = createEdge || ((/**
+ * @return {?}
+ */
+ () => of({ label: 'label' })));
+ this.edgeAddedCallback = edgeAddedCallback || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.nodeRemovedCallback = nodeRemovedCallback || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.edgeRemovedCallback = edgeRemovedCallback || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.connectors = new ConnectorsModel(this);
+ this.nodes = new NodesModel(this);
+ this.edges = new EdgesModel(this);
+ }
+ /**
+ * @return {?}
+ */
+ detectChanges() {
+ setTimeout((/**
+ * @return {?}
+ */
+ () => {
+ this.cd.detectChanges();
+ }), 0);
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ selectObject(object) {
+ if (this.isEditable()) {
+ if (this.selectedObjects.indexOf(object) === -1) {
+ this.selectedObjects.push(object);
+ }
+ }
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ deselectObject(object) {
+ if (this.isEditable()) {
+ /** @type {?} */
+ const index = this.selectedObjects.indexOf(object);
+ if (index === -1) {
+ throw new Error('Tried to deselect an unselected object');
+ }
+ this.selectedObjects.splice(index, 1);
+ }
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ toggleSelectedObject(object) {
+ if (this.isSelectedObject(object)) {
+ this.deselectObject(object);
+ }
+ else {
+ this.selectObject(object);
+ }
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ isSelectedObject(object) {
+ return this.selectedObjects.indexOf(object) !== -1;
+ }
+ /**
+ * @return {?}
+ */
+ selectAll() {
+ this.model.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ node => {
+ if (!node.readonly) {
+ this.nodes.select(node);
+ }
+ }));
+ this.model.edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ edge => {
+ this.edges.select(edge);
+ }));
+ this.detectChanges();
+ }
+ /**
+ * @return {?}
+ */
+ deselectAll() {
+ this.selectedObjects.splice(0, this.selectedObjects.length);
+ this.detectChanges();
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ isEditObject(object) {
+ return this.selectedObjects.length === 1 &&
+ this.selectedObjects.indexOf(object) !== -1;
+ }
+ /**
+ * @private
+ * @param {?} x
+ * @param {?} y
+ * @param {?} rectBox
+ * @return {?}
+ */
+ inRectBox(x, y, rectBox) {
+ return x >= rectBox.left && x <= rectBox.right &&
+ y >= rectBox.top && y <= rectBox.bottom;
+ }
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ getItemInfoAtPoint(x, y) {
+ return {
+ node: this.getNodeAtPoint(x, y),
+ edge: this.getEdgeAtPoint(x, y)
+ };
+ }
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ getNodeAtPoint(x, y) {
+ for (const node of this.model.nodes) {
+ /** @type {?} */
+ const element = this.nodes.getHtmlElement(node.id);
+ /** @type {?} */
+ const nodeElementBox = element.getBoundingClientRect();
+ if (x >= nodeElementBox.left && x <= nodeElementBox.right
+ && y >= nodeElementBox.top && y <= nodeElementBox.bottom) {
+ return node;
+ }
+ }
+ return null;
+ }
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ getEdgeAtPoint(x, y) {
+ /** @type {?} */
+ const element = document.elementFromPoint(x, y);
+ /** @type {?} */
+ const id = element.id;
+ /** @type {?} */
+ let edgeIndex = -1;
+ if (id) {
+ if (id.startsWith('fc-edge-path-')) {
+ edgeIndex = Number(id.substring('fc-edge-path-'.length));
+ }
+ else if (id.startsWith('fc-edge-label-')) {
+ edgeIndex = Number(id.substring('fc-edge-label-'.length));
+ }
+ }
+ if (edgeIndex > -1) {
+ return this.model.edges[edgeIndex];
+ }
+ return null;
+ }
+ /**
+ * @param {?} rectBox
+ * @return {?}
+ */
+ selectAllInRect(rectBox) {
+ this.model.nodes.forEach((/**
+ * @param {?} value
+ * @return {?}
+ */
+ (value) => {
+ /** @type {?} */
+ const element = this.nodes.getHtmlElement(value.id);
+ /** @type {?} */
+ const nodeElementBox = element.getBoundingClientRect();
+ if (!value.readonly) {
+ /** @type {?} */
+ const x = nodeElementBox.left + nodeElementBox.width / 2;
+ /** @type {?} */
+ const y = nodeElementBox.top + nodeElementBox.height / 2;
+ if (this.inRectBox(x, y, rectBox)) {
+ this.nodes.select(value);
+ }
+ else {
+ if (this.nodes.isSelected(value)) {
+ this.nodes.deselect(value);
+ }
+ }
+ }
+ }));
+ /** @type {?} */
+ const canvasElementBox = this.canvasHtmlElement.getBoundingClientRect();
+ this.model.edges.forEach((/**
+ * @param {?} value
+ * @return {?}
+ */
+ (value) => {
+ /** @type {?} */
+ const start = this.edges.sourceCoord(value);
+ /** @type {?} */
+ const end = this.edges.destCoord(value);
+ /** @type {?} */
+ const x = (start.x + end.x) / 2 + canvasElementBox.left;
+ /** @type {?} */
+ const y = (start.y + end.y) / 2 + canvasElementBox.top;
+ if (this.inRectBox(x, y, rectBox)) {
+ this.edges.select(value);
+ }
+ else {
+ if (this.edges.isSelected(value)) {
+ this.edges.deselect(value);
+ }
+ }
+ }));
+ }
+ /**
+ * @return {?}
+ */
+ deleteSelected() {
+ /** @type {?} */
+ const edgesToDelete = this.edges.getSelectedEdges();
+ edgesToDelete.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ (edge) => {
+ this.edges.delete(edge);
+ }));
+ /** @type {?} */
+ const nodesToDelete = this.nodes.getSelectedNodes();
+ nodesToDelete.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ this.nodes.delete(node);
+ }));
+ }
+ /**
+ * @return {?}
+ */
+ isEditable() {
+ return this.dropTargetId === undefined;
+ }
+ /**
+ * @return {?}
+ */
+ isDropSource() {
+ return this.dropTargetId !== undefined;
+ }
+ /**
+ * @return {?}
+ */
+ getDragImage() {
+ if (!this.dragImage) {
+ this.dragImage = new Image();
+ this.dragImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
+ this.dragImage.style.visibility = 'hidden';
+ }
+ return this.dragImage;
+ }
+ /**
+ * @param {?} edgeAddedCallback
+ * @param {?} nodeRemovedCallback
+ * @param {?} edgeRemovedCallback
+ * @return {?}
+ */
+ registerCallbacks(edgeAddedCallback, nodeRemovedCallback, edgeRemovedCallback) {
+ this.edgeAddedCallback = edgeAddedCallback;
+ this.nodeRemovedCallback = nodeRemovedCallback;
+ this.edgeRemovedCallback = edgeRemovedCallback;
+ }
+}
+if (false) {
+ /** @type {?} */
+ FcModelService.prototype.modelValidation;
+ /** @type {?} */
+ FcModelService.prototype.model;
+ /** @type {?} */
+ FcModelService.prototype.cd;
+ /** @type {?} */
+ FcModelService.prototype.selectedObjects;
+ /** @type {?} */
+ FcModelService.prototype.connectorsHtmlElements;
+ /** @type {?} */
+ FcModelService.prototype.nodesHtmlElements;
+ /** @type {?} */
+ FcModelService.prototype.canvasHtmlElement;
+ /** @type {?} */
+ FcModelService.prototype.dragImage;
+ /** @type {?} */
+ FcModelService.prototype.svgHtmlElement;
+ /** @type {?} */
+ FcModelService.prototype.dropNode;
+ /** @type {?} */
+ FcModelService.prototype.createEdge;
+ /** @type {?} */
+ FcModelService.prototype.edgeAddedCallback;
+ /** @type {?} */
+ FcModelService.prototype.nodeRemovedCallback;
+ /** @type {?} */
+ FcModelService.prototype.edgeRemovedCallback;
+ /** @type {?} */
+ FcModelService.prototype.dropTargetId;
+ /** @type {?} */
+ FcModelService.prototype.connectors;
+ /** @type {?} */
+ FcModelService.prototype.nodes;
+ /** @type {?} */
+ FcModelService.prototype.edges;
+}
+/**
+ * @record
+ */
+function HtmlElementMap() { }
+/**
+ * @abstract
+ * @template T
+ */
+class AbstractFcModel {
+ /**
+ * @protected
+ * @param {?} modelService
+ */
+ constructor(modelService) {
+ this.modelService = modelService;
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ select(object) {
+ this.modelService.selectObject(object);
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ deselect(object) {
+ this.modelService.deselectObject(object);
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ toggleSelected(object) {
+ this.modelService.toggleSelectedObject(object);
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ isSelected(object) {
+ return this.modelService.isSelectedObject(object);
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ isEdit(object) {
+ return this.modelService.isEditObject(object);
+ }
+}
+if (false) {
+ /** @type {?} */
+ AbstractFcModel.prototype.modelService;
+}
+class ConnectorsModel extends AbstractFcModel {
+ /**
+ * @param {?} modelService
+ */
+ constructor(modelService) {
+ super(modelService);
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ getConnector(connectorId) {
+ /** @type {?} */
+ const model = this.modelService.model;
+ for (const node of model.nodes) {
+ for (const connector of node.connectors) {
+ if (connector.id === connectorId) {
+ return connector;
+ }
+ }
+ }
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ getHtmlElement(connectorId) {
+ return this.modelService.connectorsHtmlElements[connectorId];
+ }
+ /**
+ * @param {?} connectorId
+ * @param {?} element
+ * @return {?}
+ */
+ setHtmlElement(connectorId, element) {
+ this.modelService.connectorsHtmlElements[connectorId] = element;
+ this.modelService.detectChanges();
+ }
+ /**
+ * @private
+ * @param {?} connectorId
+ * @param {?=} centered
+ * @return {?}
+ */
+ _getCoords(connectorId, centered) {
+ /** @type {?} */
+ const element = this.getHtmlElement(connectorId);
+ /** @type {?} */
+ const canvas = this.modelService.canvasHtmlElement;
+ if (element === null || element === undefined || canvas === null) {
+ return { x: 0, y: 0 };
+ }
+ /** @type {?} */
+ const connectorElementBox = element.getBoundingClientRect();
+ /** @type {?} */
+ const canvasElementBox = canvas.getBoundingClientRect();
+ /** @type {?} */
+ let coords = {
+ x: connectorElementBox.left - canvasElementBox.left,
+ y: connectorElementBox.top - canvasElementBox.top
+ };
+ if (centered) {
+ coords = {
+ x: Math.round(coords.x + element.offsetWidth / 2),
+ y: Math.round(coords.y + element.offsetHeight / 2)
+ };
+ }
+ return coords;
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ getCoords(connectorId) {
+ return this._getCoords(connectorId, false);
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ getCenteredCoord(connectorId) {
+ return this._getCoords(connectorId, true);
+ }
+}
+class NodesModel extends AbstractFcModel {
+ /**
+ * @param {?} modelService
+ */
+ constructor(modelService) {
+ super(modelService);
+ }
+ /**
+ * @param {?} node
+ * @param {?} type
+ * @return {?}
+ */
+ getConnectorsByType(node, type) {
+ return node.connectors.filter((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ return connector.type === type;
+ }));
+ }
+ /**
+ * @private
+ * @param {?} node
+ * @param {?} connector
+ * @return {?}
+ */
+ _addConnector(node, connector) {
+ node.connectors.push(connector);
+ try {
+ this.modelService.modelValidation.validateNode(node);
+ }
+ catch (error) {
+ node.connectors.splice(node.connectors.indexOf(connector), 1);
+ throw error;
+ }
+ }
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ delete(node) {
+ if (this.isSelected(node)) {
+ this.deselect(node);
+ }
+ /** @type {?} */
+ const model = this.modelService.model;
+ /** @type {?} */
+ const index = model.nodes.indexOf(node);
+ if (index === -1) {
+ if (node === undefined) {
+ throw new Error('Passed undefined');
+ }
+ throw new Error('Tried to delete not existing node');
+ }
+ /** @type {?} */
+ const connectorIds = this.getConnectorIds(node);
+ for (let i = 0; i < model.edges.length; i++) {
+ /** @type {?} */
+ const edge = model.edges[i];
+ if (connectorIds.indexOf(edge.source) !== -1 || connectorIds.indexOf(edge.destination) !== -1) {
+ this.modelService.edges.delete(edge);
+ i--;
+ }
+ }
+ model.nodes.splice(index, 1);
+ this.modelService.nodeRemovedCallback(node);
+ }
+ /**
+ * @return {?}
+ */
+ getSelectedNodes() {
+ /** @type {?} */
+ const model = this.modelService.model;
+ return model.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ return this.modelService.nodes.isSelected(node);
+ }));
+ }
+ /**
+ * @param {?} node
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ handleClicked(node, ctrlKey) {
+ if (ctrlKey) {
+ this.modelService.nodes.toggleSelected(node);
+ }
+ else {
+ this.modelService.deselectAll();
+ this.modelService.nodes.select(node);
+ }
+ }
+ /**
+ * @private
+ * @param {?} node
+ * @return {?}
+ */
+ _addNode(node) {
+ /** @type {?} */
+ const model = this.modelService.model;
+ try {
+ model.nodes.push(node);
+ this.modelService.modelValidation.validateNodes(model.nodes);
+ }
+ catch (error) {
+ model.nodes.splice(model.nodes.indexOf(node), 1);
+ throw error;
+ }
+ }
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ getConnectorIds(node) {
+ return node.connectors.map((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ return connector.id;
+ }));
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ getNodeByConnectorId(connectorId) {
+ /** @type {?} */
+ const model = this.modelService.model;
+ for (const node of model.nodes) {
+ /** @type {?} */
+ const connectorIds = this.getConnectorIds(node);
+ if (connectorIds.indexOf(connectorId) > -1) {
+ return node;
+ }
+ }
+ return null;
+ }
+ /**
+ * @param {?} nodeId
+ * @return {?}
+ */
+ getHtmlElement(nodeId) {
+ return this.modelService.nodesHtmlElements[nodeId];
+ }
+ /**
+ * @param {?} nodeId
+ * @param {?} element
+ * @return {?}
+ */
+ setHtmlElement(nodeId, element) {
+ this.modelService.nodesHtmlElements[nodeId] = element;
+ this.modelService.detectChanges();
+ }
+}
+class EdgesModel extends AbstractFcModel {
+ /**
+ * @param {?} modelService
+ */
+ constructor(modelService) {
+ super(modelService);
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ ready(edge) {
+ /** @type {?} */
+ const source = this.modelService.connectors.getHtmlElement(edge.source);
+ /** @type {?} */
+ const destination = this.modelService.connectors.getHtmlElement(edge.destination);
+ return source !== undefined && destination !== undefined;
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ sourceCoord(edge) {
+ return this.modelService.connectors.getCenteredCoord(edge.source);
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ destCoord(edge) {
+ return this.modelService.connectors.getCenteredCoord(edge.destination);
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ delete(edge) {
+ /** @type {?} */
+ const model = this.modelService.model;
+ /** @type {?} */
+ const index = model.edges.indexOf(edge);
+ if (index === -1) {
+ throw new Error('Tried to delete not existing edge');
+ }
+ if (this.isSelected(edge)) {
+ this.deselect(edge);
+ }
+ model.edges.splice(index, 1);
+ this.modelService.edgeRemovedCallback(edge);
+ }
+ /**
+ * @return {?}
+ */
+ getSelectedEdges() {
+ /** @type {?} */
+ const model = this.modelService.model;
+ return model.edges.filter((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ (edge) => {
+ return this.modelService.edges.isSelected(edge);
+ }));
+ }
+ /**
+ * @param {?} edge
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ handleEdgeMouseClick(edge, ctrlKey) {
+ if (ctrlKey) {
+ this.modelService.edges.toggleSelected(edge);
+ }
+ else {
+ this.modelService.deselectAll();
+ this.modelService.edges.select(edge);
+ }
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ putEdge(edge) {
+ /** @type {?} */
+ const model = this.modelService.model;
+ model.edges.push(edge);
+ }
+ /**
+ * @param {?} event
+ * @param {?} sourceConnector
+ * @param {?} destConnector
+ * @param {?} label
+ * @return {?}
+ */
+ _addEdge(event, sourceConnector, destConnector, label) {
+ this.modelService.modelValidation.validateConnector(sourceConnector);
+ this.modelService.modelValidation.validateConnector(destConnector);
+ /** @type {?} */
+ const edge = {};
+ edge.source = sourceConnector.id;
+ edge.destination = destConnector.id;
+ edge.label = label;
+ /** @type {?} */
+ const model = this.modelService.model;
+ this.modelService.modelValidation.validateEdges(model.edges.concat([edge]), model.nodes);
+ this.modelService.createEdge(event, edge).subscribe((/**
+ * @param {?} created
+ * @return {?}
+ */
+ (created) => {
+ model.edges.push(created);
+ this.modelService.edgeAddedCallback(created);
+ }));
+ }
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+class FcModelValidationService {
constructor() { }
+ /**
+ * @param {?} model
+ * @return {?}
+ */
+ validateModel(model) {
+ this.validateNodes(model.nodes);
+ this._validateEdges(model.edges, model.nodes);
+ return model;
+ }
+ /**
+ * @param {?} nodes
+ * @return {?}
+ */
+ validateNodes(nodes) {
+ /** @type {?} */
+ const ids = [];
+ nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ this.validateNode(node);
+ if (ids.indexOf(node.id) !== -1) {
+ throw new ModelvalidationError('Id not unique.');
+ }
+ ids.push(node.id);
+ }));
+ /** @type {?} */
+ const connectorIds = [];
+ nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ node.connectors.forEach((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ if (connectorIds.indexOf(connector.id) !== -1) {
+ throw new ModelvalidationError('Id not unique.');
+ }
+ connectorIds.push(connector.id);
+ }));
+ }));
+ return nodes;
+ }
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ validateNode(node) {
+ if (node.id === undefined) {
+ throw new ModelvalidationError('Id not valid.');
+ }
+ if (typeof node.name !== 'string') {
+ throw new ModelvalidationError('Name not valid.');
+ }
+ if (typeof node.x !== 'number' || node.x < 0 || Math.round(node.x) !== node.x) {
+ throw new ModelvalidationError('Coordinates not valid.');
+ }
+ if (typeof node.y !== 'number' || node.y < 0 || Math.round(node.y) !== node.y) {
+ throw new ModelvalidationError('Coordinates not valid.');
+ }
+ if (!Array.isArray(node.connectors)) {
+ throw new ModelvalidationError('Connectors not valid.');
+ }
+ node.connectors.forEach((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => {
+ this.validateConnector(connector);
+ }));
+ return node;
+ }
+ /**
+ * @private
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ _validateEdges(edges, nodes) {
+ edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ (edge) => {
+ this._validateEdge(edge, nodes);
+ }));
+ edges.forEach((/**
+ * @param {?} edge1
+ * @param {?} index1
+ * @return {?}
+ */
+ (edge1, index1) => {
+ edges.forEach((/**
+ * @param {?} edge2
+ * @param {?} index2
+ * @return {?}
+ */
+ (edge2, index2) => {
+ if (index1 !== index2) {
+ if ((edge1.source === edge2.source && edge1.destination === edge2.destination) ||
+ (edge1.source === edge2.destination && edge1.destination === edge2.source)) {
+ throw new ModelvalidationError('Duplicated edge.');
+ }
+ }
+ }));
+ }));
+ if (fcTopSort({ nodes, edges }) === null) {
+ throw new ModelvalidationError('Graph has a circle.');
+ }
+ return edges;
+ }
+ /**
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ validateEdges(edges, nodes) {
+ this.validateNodes(nodes);
+ return this._validateEdges(edges, nodes);
+ }
+ /**
+ * @private
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ _validateEdge(edge, nodes) {
+ if (edge.source === undefined) {
+ throw new ModelvalidationError('Source not valid.');
+ }
+ if (edge.destination === undefined) {
+ throw new ModelvalidationError('Destination not valid.');
+ }
+ if (edge.source === edge.destination) {
+ throw new ModelvalidationError('Edge with same source and destination connectors.');
+ }
+ /** @type {?} */
+ const sourceNode = nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => connector.id === edge.source))))[0];
+ if (sourceNode === undefined) {
+ throw new ModelvalidationError('Source not valid.');
+ }
+ /** @type {?} */
+ const destinationNode = nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ (connector) => connector.id === edge.destination))))[0];
+ if (destinationNode === undefined) {
+ throw new ModelvalidationError('Destination not valid.');
+ }
+ if (sourceNode === destinationNode) {
+ throw new ModelvalidationError('Edge with same source and destination nodes.');
+ }
+ return edge;
+ }
+ /**
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ validateEdge(edge, nodes) {
+ this.validateNodes(nodes);
+ return this._validateEdge(edge, nodes);
+ }
+ /**
+ * @param {?} connector
+ * @return {?}
+ */
+ validateConnector(connector) {
+ if (connector.id === undefined) {
+ throw new ModelvalidationError('Id not valid.');
+ }
+ if (connector.type === undefined || connector.type === null || typeof connector.type !== 'string') {
+ throw new ModelvalidationError('Type not valid.');
+ }
+ return connector;
+ }
+}
+FcModelValidationService.decorators = [
+ { type: Injectable }
+];
+/** @nocollapse */
+FcModelValidationService.ctorParameters = () => [];
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+/** @type {?} */
+const nodeDropScope = {
+ dropElement: null
+};
+class FcNodeDraggingService {
+ /**
+ * @param {?} modelService
+ * @param {?} applyFunction
+ * @param {?} automaticResize
+ * @param {?} dragAnimation
+ */
+ constructor(modelService, applyFunction, automaticResize, dragAnimation) {
+ this.nodeDraggingScope = {
+ shadowDragStarted: false,
+ dropElement: null,
+ draggedNodes: [],
+ shadowElements: []
+ };
+ this.dragOffsets = [];
+ this.draggedElements = [];
+ this.destinationHtmlElements = [];
+ this.oldDisplayStyles = [];
+ this.modelService = modelService;
+ this.automaticResize = automaticResize;
+ this.dragAnimation = dragAnimation;
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @private
+ * @param {?} coordinate
+ * @param {?} max
+ * @return {?}
+ */
+ getCoordinate(coordinate, max) {
+ coordinate = Math.max(coordinate, 0);
+ coordinate = Math.min(coordinate, max);
+ return coordinate;
+ }
+ /**
+ * @private
+ * @param {?} x
+ * @return {?}
+ */
+ getXCoordinate(x) {
+ return this.getCoordinate(x, this.modelService.canvasHtmlElement.offsetWidth);
+ }
+ /**
+ * @private
+ * @param {?} y
+ * @return {?}
+ */
+ getYCoordinate(y) {
+ return this.getCoordinate(y, this.modelService.canvasHtmlElement.offsetHeight);
+ }
+ /**
+ * @private
+ * @param {?} draggedNode
+ * @param {?} nodeElement
+ * @return {?}
+ */
+ resizeCanvas(draggedNode, nodeElement) {
+ if (this.automaticResize && !this.modelService.isDropSource()) {
+ /** @type {?} */
+ const canvasElement = this.modelService.canvasHtmlElement;
+ if (canvasElement.offsetWidth < draggedNode.x + nodeElement.offsetWidth + FlowchartConstants.canvasResizeThreshold) {
+ canvasElement.style.width = canvasElement.offsetWidth + FlowchartConstants.canvasResizeStep + 'px';
+ }
+ if (canvasElement.offsetHeight < draggedNode.y + nodeElement.offsetHeight + FlowchartConstants.canvasResizeThreshold) {
+ canvasElement.style.height = canvasElement.offsetHeight + FlowchartConstants.canvasResizeStep + 'px';
+ }
+ }
+ }
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ isDraggingNode(node) {
+ return this.nodeDraggingScope.draggedNodes.includes(node);
+ }
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ dragstart(event, node) {
+ if (node.readonly) {
+ return;
+ }
+ this.dragOffsets.length = 0;
+ this.draggedElements.length = 0;
+ this.nodeDraggingScope.draggedNodes.length = 0;
+ this.nodeDraggingScope.shadowElements.length = 0;
+ this.destinationHtmlElements.length = 0;
+ this.oldDisplayStyles.length = 0;
+ /** @type {?} */
+ const elements = [];
+ /** @type {?} */
+ const nodes = [];
+ if (this.modelService.nodes.isSelected(node)) {
+ /** @type {?} */
+ const selectedNodes = this.modelService.nodes.getSelectedNodes();
+ for (const selectedNode of selectedNodes) {
+ /** @type {?} */
+ const element = $(this.modelService.nodes.getHtmlElement(selectedNode.id));
+ elements.push(element);
+ nodes.push(selectedNode);
+ }
+ }
+ else {
+ elements.push($((/** @type {?} */ (event.target))));
+ nodes.push(node);
+ }
+ /** @type {?} */
+ const offsetsX = [];
+ /** @type {?} */
+ const offsetsY = [];
+ for (const element of elements) {
+ offsetsX.push(parseInt(element.css('left'), 10) - event.clientX);
+ offsetsY.push(parseInt(element.css('top'), 10) - event.clientY);
+ }
+ /** @type {?} */
+ const originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ if (this.modelService.isDropSource()) {
+ if (nodeDropScope.dropElement) {
+ nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);
+ nodeDropScope.dropElement = null;
+ }
+ nodeDropScope.dropElement = (/** @type {?} */ (elements[0][0].cloneNode(true)));
+ /** @type {?} */
+ const offset = $(this.modelService.canvasHtmlElement).offset();
+ nodeDropScope.dropElement.offsetInfo = {
+ offsetX: Math.round(offsetsX[0] + offset.left),
+ offsetY: Math.round(offsetsY[0] + offset.top)
+ };
+ nodeDropScope.dropElement.style.position = 'absolute';
+ nodeDropScope.dropElement.style.pointerEvents = 'none';
+ nodeDropScope.dropElement.style.zIndex = '9999';
+ document.body.appendChild(nodeDropScope.dropElement);
+ /** @type {?} */
+ const dropNodeInfo = {
+ node,
+ dropTargetId: this.modelService.dropTargetId,
+ offsetX: Math.round(offsetsX[0] + offset.left),
+ offsetY: Math.round(offsetsY[0] + offset.top)
+ };
+ originalEvent.dataTransfer.setData('text', JSON.stringify(dropNodeInfo));
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ /** @type {?} */
+ const target = (/** @type {?} */ (event.target));
+ this.destinationHtmlElements.push(target);
+ this.oldDisplayStyles.push(target.style.display);
+ target.style.display = 'none';
+ this.nodeDraggingScope.shadowDragStarted = true;
+ }
+ return;
+ }
+ this.nodeDraggingScope.draggedNodes = nodes;
+ for (let i = 0; i < elements.length; i++) {
+ this.draggedElements.push(elements[i][0]);
+ this.dragOffsets.push({
+ x: offsetsX[i],
+ y: offsetsY[i]
+ });
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ for (let i = 0; i < this.draggedElements.length; i++) {
+ /** @type {?} */
+ const dragOffset = this.dragOffsets[i];
+ /** @type {?} */
+ const draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ const shadowElement = $(``);
+ /** @type {?} */
+ const targetInnerNode = $(this.draggedElements[i]).children()[0];
+ shadowElement.children()[0].style.backgroundColor = targetInnerNode.style.backgroundColor;
+ this.nodeDraggingScope.shadowElements.push(shadowElement);
+ this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[i][0]);
+ }
+ }
+ originalEvent.dataTransfer.setData('text', 'Just to support firefox');
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ for (let i = 0; i < this.draggedElements.length; i++) {
+ this.destinationHtmlElements.push(this.draggedElements[i]);
+ this.oldDisplayStyles.push(this.destinationHtmlElements[i].style.display);
+ this.destinationHtmlElements[i].style.display = 'none';
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.nodeDraggingScope.shadowDragStarted = true;
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ drop(event) {
+ if (this.modelService.isDropSource()) {
+ event.preventDefault();
+ return false;
+ }
+ /** @type {?} */
+ let dropNode = null;
+ /** @type {?} */
+ const originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ /** @type {?} */
+ const infoText = originalEvent.dataTransfer.getData('text');
+ if (infoText) {
+ /** @type {?} */
+ let dropNodeInfo = null;
+ try {
+ dropNodeInfo = JSON.parse(infoText);
+ }
+ catch (e) { }
+ if (dropNodeInfo && dropNodeInfo.dropTargetId) {
+ if (this.modelService.canvasHtmlElement.id &&
+ this.modelService.canvasHtmlElement.id === dropNodeInfo.dropTargetId) {
+ dropNode = dropNodeInfo.node;
+ /** @type {?} */
+ const offset = $(this.modelService.canvasHtmlElement).offset();
+ /** @type {?} */
+ const x = event.clientX - offset.left;
+ /** @type {?} */
+ const y = event.clientY - offset.top;
+ dropNode.x = Math.round(this.getXCoordinate(dropNodeInfo.offsetX + x));
+ dropNode.y = Math.round(this.getYCoordinate(dropNodeInfo.offsetY + y));
+ }
+ }
+ }
+ if (dropNode) {
+ this.modelService.dropNode(event, dropNode);
+ event.preventDefault();
+ return false;
+ }
+ else if (this.nodeDraggingScope.draggedNodes.length) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ const draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ const dragOffset = this.dragOffsets[i];
+ draggedNode.x = Math.round(this.getXCoordinate(dragOffset.x + event.clientX));
+ draggedNode.y = Math.round(this.getYCoordinate(dragOffset.y + event.clientY));
+ }
+ event.preventDefault();
+ return false;
+ }));
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragover(event) {
+ if (nodeDropScope.dropElement) {
+ /** @type {?} */
+ const offsetInfo = nodeDropScope.dropElement.offsetInfo;
+ nodeDropScope.dropElement.style.left = (offsetInfo.offsetX + event.clientX) + 'px';
+ nodeDropScope.dropElement.style.top = (offsetInfo.offsetY + event.clientY) + 'px';
+ if (this.nodeDraggingScope.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.destinationHtmlElements[0].style.display = this.oldDisplayStyles[0];
+ this.nodeDraggingScope.shadowDragStarted = false;
+ }));
+ }
+ event.preventDefault();
+ return;
+ }
+ if (this.modelService.isDropSource()) {
+ event.preventDefault();
+ return;
+ }
+ if (!this.nodeDraggingScope.draggedNodes.length) {
+ event.preventDefault();
+ return;
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ const draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ const dragOffset = this.dragOffsets[i];
+ draggedNode.x = this.getXCoordinate(dragOffset.x + event.clientX);
+ draggedNode.y = this.getYCoordinate(dragOffset.y + event.clientY);
+ this.resizeCanvas(draggedNode, this.draggedElements[i]);
+ }
+ event.preventDefault();
+ return false;
+ }));
+ }
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ if (this.nodeDraggingScope.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ this.destinationHtmlElements[i].style.display = this.oldDisplayStyles[i];
+ }
+ this.nodeDraggingScope.shadowDragStarted = false;
+ }));
+ }
+ for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ const draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ const dragOffset = this.dragOffsets[i];
+ this.nodeDraggingScope.shadowElements[i].css('left', this.getXCoordinate(dragOffset.x + event.clientX) + 'px');
+ this.nodeDraggingScope.shadowElements[i].css('top', this.getYCoordinate(dragOffset.y + event.clientY) + 'px');
+ this.resizeCanvas(draggedNode, this.draggedElements[i]);
+ }
+ event.preventDefault();
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragend(event) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ if (nodeDropScope.dropElement) {
+ nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);
+ nodeDropScope.dropElement = null;
+ }
+ if (this.modelService.isDropSource()) {
+ return;
+ }
+ if (this.nodeDraggingScope.shadowElements.length) {
+ for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ const draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ const shadowElement = this.nodeDraggingScope.shadowElements[i];
+ draggedNode.x = parseInt(shadowElement.css('left').replace('px', ''), 10);
+ draggedNode.y = parseInt(shadowElement.css('top').replace('px', ''), 10);
+ this.modelService.canvasHtmlElement.removeChild(shadowElement[0]);
+ }
+ this.nodeDraggingScope.shadowElements.length = 0;
+ }
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ this.nodeDraggingScope.draggedNodes.length = 0;
+ this.draggedElements.length = 0;
+ this.dragOffsets.length = 0;
+ }
+ }));
+ }
+}
+if (false) {
+ /** @type {?} */
+ FcNodeDraggingService.prototype.nodeDraggingScope;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.dragOffsets;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.draggedElements;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.destinationHtmlElements;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.oldDisplayStyles;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.automaticResize;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.dragAnimation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.applyFunction;
+}
+/**
+ * @record
+ */
+function NodeDraggingScope() { }
+if (false) {
+ /** @type {?} */
+ NodeDraggingScope.prototype.draggedNodes;
+ /** @type {?} */
+ NodeDraggingScope.prototype.shadowElements;
+ /** @type {?} */
+ NodeDraggingScope.prototype.shadowDragStarted;
+ /** @type {?} */
+ NodeDraggingScope.prototype.dropElement;
+}
+/**
+ * @record
+ */
+function NodeDropElement() { }
+if (false) {
+ /** @type {?|undefined} */
+ NodeDropElement.prototype.offsetInfo;
+}
+/**
+ * @record
+ */
+function NodeDropScope() { }
+if (false) {
+ /** @type {?} */
+ NodeDropScope.prototype.dropElement;
+}
+/**
+ * @record
+ */
+function DropNodeInfo() { }
+if (false) {
+ /** @type {?} */
+ DropNodeInfo.prototype.node;
+ /** @type {?} */
+ DropNodeInfo.prototype.dropTargetId;
+ /** @type {?} */
+ DropNodeInfo.prototype.offsetX;
+ /** @type {?} */
+ DropNodeInfo.prototype.offsetY;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+class FcEdgeDrawingService {
+ constructor() {
+ }
+ /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @param {?} style
+ * @return {?}
+ */
+ getEdgeDAttribute(pt1, pt2, style) {
+ /** @type {?} */
+ let dAddribute = `M ${pt1.x}, ${pt1.y} `;
+ if (style === FlowchartConstants.curvedStyle) {
+ /** @type {?} */
+ const sourceTangent = this.computeEdgeSourceTangent(pt1, pt2);
+ /** @type {?} */
+ const destinationTangent = this.computeEdgeDestinationTangent(pt1, pt2);
+ dAddribute += `C ${sourceTangent.x}, ${sourceTangent.y} ${(destinationTangent.x - 50)}, ${destinationTangent.y} ${pt2.x}, ${pt2.y}`;
+ }
+ else {
+ dAddribute += `L ${pt2.x}, ${pt2.y}`;
+ }
+ return dAddribute;
+ }
+ /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ getEdgeCenter(pt1, pt2) {
+ return {
+ x: (pt1.x + pt2.x) / 2,
+ y: (pt1.y + pt2.y) / 2
+ };
+ }
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ computeEdgeTangentOffset(pt1, pt2) {
+ return (pt2.y - pt1.y) / 2;
+ }
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ computeEdgeSourceTangent(pt1, pt2) {
+ return {
+ x: pt1.x,
+ y: pt1.y + this.computeEdgeTangentOffset(pt1, pt2)
+ };
+ }
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ computeEdgeDestinationTangent(pt1, pt2) {
+ return {
+ x: pt2.x,
+ y: pt2.y - this.computeEdgeTangentOffset(pt1, pt2)
+ };
+ }
+}
+FcEdgeDrawingService.decorators = [
+ { type: Injectable }
+];
+/** @nocollapse */
+FcEdgeDrawingService.ctorParameters = () => [];
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+class FcEdgeDraggingService {
+ /**
+ * @param {?} modelValidation
+ * @param {?} edgeDrawingService
+ * @param {?} modelService
+ * @param {?} model
+ * @param {?} isValidEdgeCallback
+ * @param {?} applyFunction
+ * @param {?} dragAnimation
+ * @param {?} edgeStyle
+ */
+ constructor(modelValidation, edgeDrawingService, modelService, model, isValidEdgeCallback, applyFunction, dragAnimation, edgeStyle) {
+ this.edgeDragging = {
+ isDragging: false,
+ dragPoint1: null,
+ dragPoint2: null,
+ shadowDragStarted: false
+ };
+ this.draggedEdgeSource = null;
+ this.dragOffset = {};
+ this.destinationHtmlElement = null;
+ this.oldDisplayStyle = '';
+ this.modelValidation = modelValidation;
+ this.edgeDrawingService = edgeDrawingService;
+ this.modelService = modelService;
+ this.model = model;
+ this.isValidEdgeCallback = isValidEdgeCallback || ((/**
+ * @return {?}
+ */
+ () => true));
+ this.applyFunction = applyFunction;
+ this.dragAnimation = dragAnimation;
+ this.edgeStyle = edgeStyle;
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ dragstart(event, connector) {
+ /** @type {?} */
+ let swapConnector;
+ /** @type {?} */
+ let dragLabel;
+ /** @type {?} */
+ let prevEdge;
+ if (connector.type === FlowchartConstants.leftConnectorType) {
+ for (const edge of this.model.edges) {
+ if (edge === connector.id) {
+ swapConnector = this.modelService.connectors.getConnector(edge.source);
+ dragLabel = edge.label;
+ prevEdge = edge;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.modelService.edges.delete(edge);
+ }));
+ break;
+ }
+ }
+ }
+ this.edgeDragging.isDragging = true;
+ if (swapConnector !== undefined) {
+ this.draggedEdgeSource = swapConnector;
+ this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(swapConnector.id);
+ this.edgeDragging.dragLabel = dragLabel;
+ this.edgeDragging.prevEdge = prevEdge;
+ }
+ else {
+ this.draggedEdgeSource = connector;
+ this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(connector.id);
+ }
+ /** @type {?} */
+ const canvas = this.modelService.canvasHtmlElement;
+ if (!canvas) {
+ throw new Error('No canvas while edgedraggingService found.');
+ }
+ this.dragOffset.x = -canvas.getBoundingClientRect().left;
+ this.dragOffset.y = -canvas.getBoundingClientRect().top;
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ /** @type {?} */
+ const originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ originalEvent.dataTransfer.setData('Text', 'Just to support firefox');
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ this.destinationHtmlElement = (/** @type {?} */ (event.target));
+ this.oldDisplayStyle = this.destinationHtmlElement.style.display;
+ this.destinationHtmlElement.style.display = 'none';
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.shadowDragStarted = true;
+ }
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.edgeDragging.gElement === undefined) {
+ this.edgeDragging.gElement = $(document.querySelectorAll('.shadow-svg-class'));
+ this.edgeDragging.pathElement = $(document.querySelectorAll('.shadow-svg-class')).find('path');
+ this.edgeDragging.circleElement = $(document.querySelectorAll('.shadow-svg-class')).find('circle');
+ }
+ this.edgeDragging.gElement.css('display', 'block');
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ }
+ event.stopPropagation();
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragover(event) {
+ if (this.edgeDragging.isDragging) {
+ if (!this.edgeDragging.magnetActive && this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.destinationHtmlElement !== null) {
+ this.destinationHtmlElement.style.display = this.oldDisplayStyle;
+ }
+ if (this.edgeDragging.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.edgeDragging.shadowDragStarted = false;
+ }));
+ }
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ if (this.destinationHtmlElement !== null) {
+ this.destinationHtmlElement.style.display = this.oldDisplayStyle;
+ }
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ }));
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ dragoverConnector(event, connector) {
+ if (this.edgeDragging.isDragging) {
+ this.dragover(event);
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: connector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragleaveMagnet(event) {
+ this.edgeDragging.magnetActive = false;
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ dragoverMagnet(event, connector) {
+ if (this.edgeDragging.isDragging) {
+ this.dragover(event);
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: connector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.magnetActive = true;
+ this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }));
+ }
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragend(event) {
+ if (this.edgeDragging.isDragging) {
+ this.edgeDragging.isDragging = false;
+ this.edgeDragging.dragPoint1 = null;
+ this.edgeDragging.dragPoint2 = null;
+ this.edgeDragging.dragLabel = null;
+ event.stopPropagation();
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.gElement.css('display', 'none');
+ }
+ if (this.edgeDragging.prevEdge) {
+ /** @type {?} */
+ const edge = this.edgeDragging.prevEdge;
+ this.edgeDragging.prevEdge = null;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.modelService.edges.putEdge(edge);
+ }));
+ }
+ }
+ }
+ /**
+ * @param {?} event
+ * @param {?} targetConnector
+ * @return {?}
+ */
+ drop(event, targetConnector) {
+ if (this.edgeDragging.isDragging) {
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: targetConnector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, targetConnector)) {
+ this.edgeDragging.prevEdge = null;
+ this.modelService.edges._addEdge(event, this.draggedEdgeSource, targetConnector, this.edgeDragging.dragLabel);
+ event.stopPropagation();
+ event.preventDefault();
+ return false;
+ }
+ }
+ }
+}
+if (false) {
+ /** @type {?} */
+ FcEdgeDraggingService.prototype.edgeDragging;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.draggedEdgeSource;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.dragOffset;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.destinationHtmlElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.oldDisplayStyle;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.modelValidation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.edgeDrawingService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.model;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.isValidEdgeCallback;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.applyFunction;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.dragAnimation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.edgeStyle;
+}
+/**
+ * @record
+ */
+function EdgeDragging() { }
+if (false) {
+ /** @type {?} */
+ EdgeDragging.prototype.isDragging;
+ /** @type {?} */
+ EdgeDragging.prototype.shadowDragStarted;
+ /** @type {?} */
+ EdgeDragging.prototype.dragPoint1;
+ /** @type {?} */
+ EdgeDragging.prototype.dragPoint2;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.dragLabel;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.prevEdge;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.magnetActive;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.gElement;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.pathElement;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.circleElement;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+class FcMouseOverService {
+ /**
+ * @param {?} applyFunction
+ */
+ constructor(applyFunction) {
+ this.mouseoverscope = {
+ connector: null,
+ edge: null,
+ node: null
+ };
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ nodeMouseOver(event, node) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.mouseoverscope.node = node;
+ }));
+ }
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ nodeMouseOut(event, node) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.mouseoverscope.node = null;
+ }));
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ connectorMouseEnter(event, connector) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.mouseoverscope.connector = connector;
+ }));
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ connectorMouseLeave(event, connector) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.mouseoverscope.connector = null;
+ }));
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseEnter(event, edge) {
+ this.mouseoverscope.edge = edge;
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseLeave(event, edge) {
+ this.mouseoverscope.edge = null;
+ }
+}
+if (false) {
+ /** @type {?} */
+ FcMouseOverService.prototype.mouseoverscope;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcMouseOverService.prototype.applyFunction;
+}
+/**
+ * @record
+ */
+function MouseOverScope() { }
+if (false) {
+ /** @type {?} */
+ MouseOverScope.prototype.connector;
+ /** @type {?} */
+ MouseOverScope.prototype.edge;
+ /** @type {?} */
+ MouseOverScope.prototype.node;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+/** @type {?} */
+const regex = /(auto|scroll)/;
+/** @type {?} */
+const style = (/**
+ * @param {?} node
+ * @param {?} prop
+ * @return {?}
+ */
+(node, prop) => getComputedStyle(node, null).getPropertyValue(prop));
+const ɵ0 = style;
+/** @type {?} */
+const scroll = (/**
+ * @param {?} node
+ * @return {?}
+ */
+(node) => regex.test(style(node, 'overflow') +
+ style(node, 'overflow-y') +
+ style(node, 'overflow-x')));
+const ɵ1 = scroll;
+/** @type {?} */
+const scrollparent = (/**
+ * @param {?} node
+ * @return {?}
+ */
+(node) => !node || node === document.body
+ ? document.body
+ : scroll(node)
+ ? node
+ : scrollparent((/** @type {?} */ (node.parentNode))));
+const ɵ2 = scrollparent;
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+/**
+ * @record
+ */
+function Rectangle() { }
+if (false) {
+ /** @type {?} */
+ Rectangle.prototype.x1;
+ /** @type {?} */
+ Rectangle.prototype.x2;
+ /** @type {?} */
+ Rectangle.prototype.y1;
+ /** @type {?} */
+ Rectangle.prototype.y2;
+}
+class FcRectangleSelectService {
+ /**
+ * @param {?} modelService
+ * @param {?} selectElement
+ * @param {?} applyFunction
+ */
+ constructor(modelService, selectElement, applyFunction) {
+ this.selectRect = {
+ x1: 0,
+ x2: 0,
+ y1: 0,
+ y2: 0
+ };
+ this.modelService = modelService;
+ this.selectElement = selectElement;
+ this.$canvasElement = $(this.modelService.canvasHtmlElement);
+ this.$scrollParent = $(scrollparent(this.modelService.canvasHtmlElement));
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ mousedown(e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && this.selectElement.hidden) {
+ this.selectElement.hidden = false;
+ /** @type {?} */
+ const offset = this.$canvasElement.offset();
+ this.selectRect.x1 = Math.round(e.pageX - offset.left);
+ this.selectRect.y1 = Math.round(e.pageY - offset.top);
+ this.selectRect.x2 = this.selectRect.x1;
+ this.selectRect.y2 = this.selectRect.y1;
+ this.updateSelectRect();
+ }
+ }
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ mousemove(e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && !this.selectElement.hidden) {
+ /** @type {?} */
+ const offset = this.$canvasElement.offset();
+ this.selectRect.x2 = Math.round(e.pageX - offset.left);
+ this.selectRect.y2 = Math.round(e.pageY - offset.top);
+ this.updateScroll(offset);
+ this.updateSelectRect();
+ }
+ }
+ /**
+ * @private
+ * @param {?} offset
+ * @return {?}
+ */
+ updateScroll(offset) {
+ /** @type {?} */
+ const rect = this.$scrollParent[0].getBoundingClientRect();
+ /** @type {?} */
+ const bottom = rect.bottom - offset.top;
+ /** @type {?} */
+ const right = rect.right - offset.left;
+ /** @type {?} */
+ const top = rect.top - offset.top;
+ /** @type {?} */
+ const left = rect.left - offset.left;
+ if (this.selectRect.y2 - top < 25) {
+ /** @type {?} */
+ const topScroll = 25 - (this.selectRect.y2 - top);
+ /** @type {?} */
+ const scroll = this.$scrollParent.scrollTop();
+ this.$scrollParent.scrollTop(scroll - topScroll);
+ }
+ else if (bottom - this.selectRect.y2 < 40) {
+ /** @type {?} */
+ const bottomScroll = 40 - (bottom - this.selectRect.y2);
+ /** @type {?} */
+ const scroll = this.$scrollParent.scrollTop();
+ this.$scrollParent.scrollTop(scroll + bottomScroll);
+ }
+ if (this.selectRect.x2 - left < 25) {
+ /** @type {?} */
+ const leftScroll = 25 - (this.selectRect.x2 - left);
+ /** @type {?} */
+ const scroll = this.$scrollParent.scrollLeft();
+ this.$scrollParent.scrollLeft(scroll - leftScroll);
+ }
+ else if (right - this.selectRect.x2 < 40) {
+ /** @type {?} */
+ const rightScroll = 40 - (right - this.selectRect.x2);
+ /** @type {?} */
+ const scroll = this.$scrollParent.scrollLeft();
+ this.$scrollParent.scrollLeft(scroll + rightScroll);
+ }
+ }
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ mouseup(e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && !this.selectElement.hidden) {
+ /** @type {?} */
+ const rectBox = (/** @type {?} */ (this.selectElement.getBoundingClientRect()));
+ this.selectElement.hidden = true;
+ this.selectObjects(rectBox);
+ }
+ }
+ /**
+ * @private
+ * @return {?}
+ */
+ updateSelectRect() {
+ /** @type {?} */
+ const x3 = Math.min(this.selectRect.x1, this.selectRect.x2);
+ /** @type {?} */
+ const x4 = Math.max(this.selectRect.x1, this.selectRect.x2);
+ /** @type {?} */
+ const y3 = Math.min(this.selectRect.y1, this.selectRect.y2);
+ /** @type {?} */
+ const y4 = Math.max(this.selectRect.y1, this.selectRect.y2);
+ this.selectElement.style.left = x3 + 'px';
+ this.selectElement.style.top = y3 + 'px';
+ this.selectElement.style.width = x4 - x3 + 'px';
+ this.selectElement.style.height = y4 - y3 + 'px';
+ }
+ /**
+ * @private
+ * @param {?} rectBox
+ * @return {?}
+ */
+ selectObjects(rectBox) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ () => {
+ this.modelService.selectAllInRect(rectBox);
+ }));
+ }
+}
+if (false) {
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.selectRect;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.selectElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.$canvasElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.$scrollParent;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.applyFunction;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+class NgxFlowchartComponent {
+ /**
+ * @param {?} elementRef
+ * @param {?} differs
+ * @param {?} modelValidation
+ * @param {?} edgeDrawingService
+ * @param {?} cd
+ * @param {?} zone
+ */
+ constructor(elementRef, differs, modelValidation, edgeDrawingService, cd, zone) {
+ this.elementRef = elementRef;
+ this.differs = differs;
+ this.modelValidation = modelValidation;
+ this.edgeDrawingService = edgeDrawingService;
+ this.cd = cd;
+ this.zone = zone;
+ this.flowchartConstants = FlowchartConstants;
+ this.nodesDiffer = this.differs.find([]).create((/**
+ * @param {?} index
+ * @param {?} item
+ * @return {?}
+ */
+ (index, item) => {
+ return item;
+ }));
+ this.edgesDiffer = this.differs.find([]).create((/**
+ * @param {?} index
+ * @param {?} item
+ * @return {?}
+ */
+ (index, item) => {
+ return item;
+ }));
+ this.arrowDefId = 'arrow-' + Math.random();
+ this.arrowDefIdSelected = this.arrowDefId + '-selected';
+ }
+ /**
+ * @return {?}
+ */
+ get canvasClass() {
+ return FlowchartConstants.canvasClass;
+ }
+ /**
+ * @return {?}
+ */
+ ngOnInit() {
+ if (!this.dropTargetId && this.edgeStyle !== FlowchartConstants.curvedStyle && this.edgeStyle !== FlowchartConstants.lineStyle) {
+ throw new Error('edgeStyle not supported.');
+ }
+ this.nodeHeight = this.nodeHeight || 200;
+ this.nodeWidth = this.nodeWidth || 200;
+ this.dragAnimation = this.dragAnimation || FlowchartConstants.dragAnimationRepaint;
+ this.userCallbacks = this.userCallbacks || {};
+ this.automaticResize = this.automaticResize || false;
+ for (const key of Object.keys(this.userCallbacks)) {
+ /** @type {?} */
+ const callback = this.userCallbacks[key];
+ if (typeof callback !== 'function' && key !== 'nodeCallbacks') {
+ throw new Error('All callbacks should be functions.');
+ }
+ }
+ this.userNodeCallbacks = this.userCallbacks.nodeCallbacks;
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ this.modelService = new FcModelService(this.modelValidation, this.model, this.cd, this.selectedObjects, this.userCallbacks.dropNode, this.userCallbacks.createEdge, this.userCallbacks.edgeAdded, this.userCallbacks.nodeRemoved, this.userCallbacks.edgeRemoved, element[0], element[0].querySelector('svg'));
+ if (this.dropTargetId) {
+ this.modelService.dropTargetId = this.dropTargetId;
+ }
+ /** @type {?} */
+ const applyFunction = this.zone.run.bind(this.zone);
+ this.nodeDraggingService = new FcNodeDraggingService(this.modelService, applyFunction, this.automaticResize, this.dragAnimation);
+ this.edgeDraggingService = new FcEdgeDraggingService(this.modelValidation, this.edgeDrawingService, this.modelService, this.model, this.userCallbacks.isValidEdge || null, applyFunction, this.dragAnimation, this.edgeStyle);
+ this.mouseoverService = new FcMouseOverService(applyFunction);
+ this.rectangleSelectService = new FcRectangleSelectService(this.modelService, element[0].querySelector('#select-rectangle'), applyFunction);
+ this.callbacks = {
+ nodeDragstart: this.nodeDraggingService.dragstart.bind(this.nodeDraggingService),
+ nodeDragend: this.nodeDraggingService.dragend.bind(this.nodeDraggingService),
+ edgeDragstart: this.edgeDraggingService.dragstart.bind(this.edgeDraggingService),
+ edgeDragend: this.edgeDraggingService.dragend.bind(this.edgeDraggingService),
+ edgeDrop: this.edgeDraggingService.drop.bind(this.edgeDraggingService),
+ edgeDragoverConnector: this.edgeDraggingService.dragoverConnector.bind(this.edgeDraggingService),
+ edgeDragoverMagnet: this.edgeDraggingService.dragoverMagnet.bind(this.edgeDraggingService),
+ edgeDragleaveMagnet: this.edgeDraggingService.dragleaveMagnet.bind(this.edgeDraggingService),
+ nodeMouseOver: this.mouseoverService.nodeMouseOver.bind(this.mouseoverService),
+ nodeMouseOut: this.mouseoverService.nodeMouseOut.bind(this.mouseoverService),
+ connectorMouseEnter: this.mouseoverService.connectorMouseEnter.bind(this.mouseoverService),
+ connectorMouseLeave: this.mouseoverService.connectorMouseLeave.bind(this.mouseoverService),
+ nodeClicked: (/**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ (event, node) => {
+ this.modelService.nodes.handleClicked(node, event.ctrlKey);
+ event.stopPropagation();
+ event.preventDefault();
+ })
+ };
+ this.adjustCanvasSize(true);
+ }
+ /**
+ * @return {?}
+ */
+ ngDoCheck() {
+ if (this.model) {
+ /** @type {?} */
+ const nodesChange = this.nodesDiffer.diff(this.model.nodes);
+ /** @type {?} */
+ const edgesChange = this.edgesDiffer.diff(this.model.edges);
+ /** @type {?} */
+ let nodesChanged = false;
+ /** @type {?} */
+ let edgesChanged = false;
+ if (nodesChange !== null) {
+ nodesChange.forEachAddedItem((/**
+ * @return {?}
+ */
+ () => {
+ nodesChanged = true;
+ }));
+ nodesChange.forEachRemovedItem((/**
+ * @return {?}
+ */
+ () => {
+ nodesChanged = true;
+ }));
+ }
+ if (edgesChange !== null) {
+ edgesChange.forEachAddedItem((/**
+ * @return {?}
+ */
+ () => {
+ edgesChanged = true;
+ }));
+ edgesChange.forEachRemovedItem((/**
+ * @return {?}
+ */
+ () => {
+ edgesChanged = true;
+ }));
+ }
+ if (nodesChanged) {
+ this.adjustCanvasSize(true);
+ }
+ if (nodesChanged || edgesChanged) {
+ this.cd.detectChanges();
+ }
+ }
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ getEdgeDAttribute(edge) {
+ return this.edgeDrawingService.getEdgeDAttribute(this.modelService.edges.sourceCoord(edge), this.modelService.edges.destCoord(edge), this.edgeStyle);
+ }
+ /**
+ * @param {?=} fit
+ * @return {?}
+ */
+ adjustCanvasSize(fit) {
+ /** @type {?} */
+ let maxX = 0;
+ /** @type {?} */
+ let maxY = 0;
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ this.model.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ (node) => {
+ maxX = Math.max(node.x + this.nodeWidth, maxX);
+ maxY = Math.max(node.y + this.nodeHeight, maxY);
+ }));
+ /** @type {?} */
+ let width;
+ /** @type {?} */
+ let height;
+ if (fit) {
+ width = maxX;
+ height = maxY;
+ }
+ else {
+ width = Math.max(maxX, element.prop('offsetWidth'));
+ height = Math.max(maxY, element.prop('offsetHeight'));
+ }
+ element.css('width', width + 'px');
+ element.css('height', height + 'px');
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ canvasClick(event) { }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseDown(event, edge) {
+ event.stopPropagation();
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeClick(event, edge) {
+ this.modelService.edges.handleEdgeMouseClick(edge, event.ctrlKey);
+ event.stopPropagation();
+ event.preventDefault();
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeRemove(event, edge) {
+ this.modelService.edges.delete(edge);
+ event.stopPropagation();
+ event.preventDefault();
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeEdit(event, edge) {
+ if (this.userCallbacks.edgeEdit) {
+ this.userCallbacks.edgeEdit(event, edge);
+ }
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeDoubleClick(event, edge) {
+ if (this.userCallbacks.edgeDoubleClick) {
+ this.userCallbacks.edgeDoubleClick(event, edge);
+ }
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseOver(event, edge) {
+ if (this.userCallbacks.edgeMouseOver) {
+ this.userCallbacks.edgeMouseOver(event, edge);
+ }
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseEnter(event, edge) {
+ this.mouseoverService.edgeMouseEnter(event, edge);
+ }
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ edgeMouseLeave(event, edge) {
+ this.mouseoverService.edgeMouseLeave(event, edge);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragover(event) {
+ this.nodeDraggingService.dragover(event);
+ this.edgeDraggingService.dragover(event);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ drop(event) {
+ if (event.preventDefault) {
+ event.preventDefault();
+ }
+ if (event.stopPropagation) {
+ event.stopPropagation();
+ }
+ this.nodeDraggingService.drop(event);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mousedown(event) {
+ this.rectangleSelectService.mousedown(event);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mousemove(event) {
+ this.rectangleSelectService.mousemove(event);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mouseup(event) {
+ this.rectangleSelectService.mouseup(event);
+ }
+}
+NgxFlowchartComponent.decorators = [
+ { type: Component, args: [{
+ selector: 'fc-canvas',
+ template: "\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\n \n \n \n
\n
\n {{edgeDraggingService.edgeDragging.dragLabel}} \n
\n
\n
\n
\n
\n \n
\n
\n ×\n
\n
{{edge.label}} \n
\n
\n
\n
\n
\n",
+ changeDetection: ChangeDetectionStrategy.OnPush,
+ styles: [":host{display:block;position:relative;width:100%;height:100%;background-size:25px 25px;background-image:linear-gradient(to right,rgba(0,0,0,.1) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.1) 1px,transparent 1px);background-color:transparent;min-width:100%;min-height:100%;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-canvas-container{display:block;position:relative;width:100%;height:100%}:host .fc-canvas-container svg.fc-canvas-svg{display:block;position:relative;width:100%;height:100%}:host .fc-edge{stroke:gray;stroke-width:4;transition:stroke-width .2s;fill:transparent}:host .fc-edge.fc-hover{stroke:gray;stroke-width:6;fill:transparent}:host .fc-edge.fc-selected{stroke:red;stroke-width:4;fill:transparent}:host .fc-edge.fc-active{-webkit-animation:3s linear infinite dash;animation:3s linear infinite dash;stroke-dasharray:20}:host .fc-edge.fc-dragging{pointer-events:none}:host .fc-arrow-marker polygon{stroke:gray;fill:gray}:host .fc-arrow-marker-selected polygon{stroke:red;fill:red}:host .edge-endpoint{fill:gray}:host .fc-noselect{-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-edge-label{position:absolute;opacity:.8;transition:transform .2s;transform-origin:bottom left;margin:0 auto}:host .fc-edge-label .fc-edge-label-text{position:absolute;transform:translate(-50%,-50%);white-space:nowrap;text-align:center;font-size:16px}:host .fc-edge-label .fc-edge-label-text span{cursor:default;border:solid #ff3d00;border-radius:10px;color:#ff3d00;background-color:#fff;padding:3px 5px}:host .fc-edge-label .fc-nodeedit{top:-30px;right:14px}:host .fc-edge-label .fc-nodedelete{top:-30px;right:-13px}:host .fc-edge-label.fc-hover{transform:scale(1.25)}:host .fc-edge-label.fc-edit .fc-edge-label-text span,:host .fc-edge-label.fc-selected .fc-edge-label-text span{border:solid red;color:#fff;font-weight:600;background-color:red}:host .fc-select-rectangle{border:2px dashed #5262ff;position:absolute;background:rgba(20,125,255,.1);z-index:2}@-webkit-keyframes dash{from{stroke-dashoffset:500}}@keyframes dash{from{stroke-dashoffset:500}}:host ::ng-deep .fc-nodeedit{display:none;font-size:15px}:host ::ng-deep .fc-nodedelete{display:none;font-size:18px}:host ::ng-deep .fc-edit .fc-nodedelete,:host ::ng-deep .fc-edit .fc-nodeedit{display:block;position:absolute;border:2px solid #eee;border-radius:50%;font-weight:600;line-height:20px;height:20px;padding-top:2px;width:22px;background:#494949;color:#fff;text-align:center;vertical-align:bottom;cursor:pointer}:host ::ng-deep .fc-edit .fc-nodeedit{top:-24px;right:16px}:host ::ng-deep .fc-edit .fc-nodedelete{top:-24px;right:-13px}"]
+ }] }
+];
+/** @nocollapse */
+NgxFlowchartComponent.ctorParameters = () => [
+ { type: ElementRef },
+ { type: IterableDiffers },
+ { type: FcModelValidationService },
+ { type: FcEdgeDrawingService },
+ { type: ChangeDetectorRef },
+ { type: NgZone }
+];
+NgxFlowchartComponent.propDecorators = {
+ canvasClass: [{ type: HostBinding, args: ['attr.class',] }],
+ model: [{ type: Input }],
+ selectedObjects: [{ type: Input }],
+ edgeStyle: [{ type: Input }],
+ userCallbacks: [{ type: Input }],
+ automaticResize: [{ type: Input }],
+ dragAnimation: [{ type: Input }],
+ nodeWidth: [{ type: Input }],
+ nodeHeight: [{ type: Input }],
+ dropTargetId: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ mousedown: [{ type: HostListener, args: ['mousedown', ['$event'],] }],
+ mousemove: [{ type: HostListener, args: ['mousemove', ['$event'],] }],
+ mouseup: [{ type: HostListener, args: ['mouseup', ['$event'],] }]
+};
+if (false) {
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.model;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.selectedObjects;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeStyle;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.userCallbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.automaticResize;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.dragAnimation;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeWidth;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeHeight;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.dropTargetId;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.callbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.modelService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeDraggingService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeDraggingService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.mouseoverService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.rectangleSelectService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.arrowDefId;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.arrowDefIdSelected;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.flowchartConstants;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.nodesDiffer;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.edgesDiffer;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.elementRef;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.differs;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.modelValidation;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeDrawingService;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.cd;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.zone;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+class FcMagnetDirective {
+ /**
+ * @param {?} elementRef
+ */
+ constructor(elementRef) {
+ this.elementRef = elementRef;
+ }
+ /**
+ * @return {?}
+ */
+ ngOnInit() {
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.magnetClass);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragover(event) {
+ return this.callbacks.edgeDragoverMagnet(event, this.connector);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragleave(event) {
+ this.callbacks.edgeDragleaveMagnet(event);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ drop(event) {
+ return this.callbacks.edgeDrop(event, this.connector);
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragend(event) {
+ this.callbacks.edgeDragend(event);
+ }
}
-NgxFlowchartService.decorators = [
- { type: Injectable, args: [{
- providedIn: 'root'
+FcMagnetDirective.decorators = [
+ { type: Directive, args: [{
+ // tslint:disable-next-line:directive-selector
+ selector: '[fc-magnet]'
},] }
];
/** @nocollapse */
-NgxFlowchartService.ctorParameters = () => [];
-/** @nocollapse */ NgxFlowchartService.ngInjectableDef = ɵɵdefineInjectable({ factory: function NgxFlowchartService_Factory() { return new NgxFlowchartService(); }, token: NgxFlowchartService, providedIn: "root" });
+FcMagnetDirective.ctorParameters = () => [
+ { type: ElementRef }
+];
+FcMagnetDirective.propDecorators = {
+ callbacks: [{ type: Input }],
+ connector: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ dragleave: [{ type: HostListener, args: ['dragleave', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }]
+};
+if (false) {
+ /** @type {?} */
+ FcMagnetDirective.prototype.callbacks;
+ /** @type {?} */
+ FcMagnetDirective.prototype.connector;
+ /** @type {?} */
+ FcMagnetDirective.prototype.elementRef;
+}
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
-class NgxFlowchartComponent {
- constructor() { }
+class FcConnectorDirective {
+ /**
+ * @param {?} elementRef
+ */
+ constructor(elementRef) {
+ this.elementRef = elementRef;
+ }
+ /**
+ * @return {?}
+ */
+ ngOnInit() {
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.connectorClass);
+ if (this.modelservice.isEditable()) {
+ element.attr('draggable', 'true');
+ this.updateConnectorClass();
+ }
+ this.modelservice.connectors.setHtmlElement(this.connector.id, element[0]);
+ }
+ /**
+ * @param {?} changes
+ * @return {?}
+ */
+ ngOnChanges(changes) {
+ /** @type {?} */
+ let updateConnector = false;
+ for (const propName of Object.keys(changes)) {
+ /** @type {?} */
+ const change = changes[propName];
+ if (!change.firstChange && change.currentValue !== change.previousValue) {
+ if (propName === 'mouseOverConnector') {
+ updateConnector = true;
+ }
+ }
+ }
+ if (updateConnector && this.modelservice.isEditable()) {
+ this.updateConnectorClass();
+ }
+ }
+ /**
+ * @private
+ * @return {?}
+ */
+ updateConnectorClass() {
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ if (this.connector === this.mouseOverConnector) {
+ element.addClass(FlowchartConstants.hoverClass);
+ }
+ else {
+ element.removeClass(FlowchartConstants.hoverClass);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragover(event) {
+ // Skip - conflict with magnet
+ /* if (this.modelservice.isEditable()) {
+ return this.callbacks.edgeDragoverConnector(event, this.connector);
+ }*/
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ drop(event) {
+ if (this.modelservice.isEditable()) {
+ return this.callbacks.edgeDrop(event, this.connector);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragend(event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.edgeDragend(event);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragstart(event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.edgeDragstart(event, this.connector);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mouseenter(event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.connectorMouseEnter(event, this.connector);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mouseleave(event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.connectorMouseLeave(event, this.connector);
+ }
+ }
+}
+FcConnectorDirective.decorators = [
+ { type: Directive, args: [{
+ // tslint:disable-next-line:directive-selector
+ selector: '[fc-connector]'
+ },] }
+];
+/** @nocollapse */
+FcConnectorDirective.ctorParameters = () => [
+ { type: ElementRef }
+];
+FcConnectorDirective.propDecorators = {
+ callbacks: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ connector: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }],
+ dragstart: [{ type: HostListener, args: ['dragstart', ['$event'],] }],
+ mouseenter: [{ type: HostListener, args: ['mouseenter', ['$event'],] }],
+ mouseleave: [{ type: HostListener, args: ['mouseleave', ['$event'],] }]
+};
+if (false) {
+ /** @type {?} */
+ FcConnectorDirective.prototype.callbacks;
+ /** @type {?} */
+ FcConnectorDirective.prototype.modelservice;
+ /** @type {?} */
+ FcConnectorDirective.prototype.connector;
+ /** @type {?} */
+ FcConnectorDirective.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcConnectorDirective.prototype.elementRef;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+class FcNodeContainerComponent {
+ /**
+ * @param {?} nodeComponentConfig
+ * @param {?} elementRef
+ * @param {?} componentFactoryResolver
+ */
+ constructor(nodeComponentConfig, elementRef, componentFactoryResolver) {
+ this.nodeComponentConfig = nodeComponentConfig;
+ this.elementRef = elementRef;
+ this.componentFactoryResolver = componentFactoryResolver;
+ }
+ /**
+ * @return {?}
+ */
+ get nodeId() {
+ return this.node.id;
+ }
+ /**
+ * @return {?}
+ */
+ get top() {
+ return this.node.y + 'px';
+ }
+ /**
+ * @return {?}
+ */
+ get left() {
+ return this.node.x + 'px';
+ }
+ /**
+ * @return {?}
+ */
+ ngOnInit() {
+ if (!this.userNodeCallbacks) {
+ this.userNodeCallbacks = {};
+ }
+ this.userNodeCallbacks.nodeEdit = this.userNodeCallbacks.nodeEdit || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.userNodeCallbacks.doubleClick = this.userNodeCallbacks.doubleClick || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.userNodeCallbacks.mouseDown = this.userNodeCallbacks.mouseDown || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.userNodeCallbacks.mouseEnter = this.userNodeCallbacks.mouseEnter || ((/**
+ * @return {?}
+ */
+ () => { }));
+ this.userNodeCallbacks.mouseLeave = this.userNodeCallbacks.mouseLeave || ((/**
+ * @return {?}
+ */
+ () => { }));
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.nodeClass);
+ if (!this.node.readonly) {
+ element.attr('draggable', 'true');
+ }
+ this.updateNodeClass();
+ this.modelservice.nodes.setHtmlElement(this.node.id, element[0]);
+ this.nodeContentContainer.clear();
+ /** @type {?} */
+ const componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType);
+ /** @type {?} */
+ const componentRef = this.nodeContentContainer.createComponent(componentFactory);
+ this.nodeComponent = componentRef.instance;
+ this.nodeComponent.callbacks = this.callbacks;
+ this.nodeComponent.userNodeCallbacks = this.userNodeCallbacks;
+ this.nodeComponent.node = this.node;
+ this.nodeComponent.modelservice = this.modelservice;
+ this.updateNodeComponent();
+ }
+ /**
+ * @param {?} changes
+ * @return {?}
+ */
+ ngOnChanges(changes) {
+ /** @type {?} */
+ let updateNode = false;
+ for (const propName of Object.keys(changes)) {
+ /** @type {?} */
+ const change = changes[propName];
+ if (!change.firstChange && change.currentValue !== change.previousValue) {
+ if (['selected', 'edit', 'underMouse', 'mouseOverConnector', 'dragging'].includes(propName)) {
+ updateNode = true;
+ }
+ }
+ }
+ if (updateNode) {
+ this.updateNodeClass();
+ this.updateNodeComponent();
+ }
+ }
+ /**
+ * @private
+ * @return {?}
+ */
+ updateNodeClass() {
+ /** @type {?} */
+ const element = $(this.elementRef.nativeElement);
+ this.toggleClass(element, FlowchartConstants.selectedClass, this.selected);
+ this.toggleClass(element, FlowchartConstants.editClass, this.edit);
+ this.toggleClass(element, FlowchartConstants.hoverClass, this.underMouse);
+ this.toggleClass(element, FlowchartConstants.draggingClass, this.dragging);
+ }
+ /**
+ * @private
+ * @return {?}
+ */
+ updateNodeComponent() {
+ this.nodeComponent.selected = this.selected;
+ this.nodeComponent.edit = this.edit;
+ this.nodeComponent.underMouse = this.underMouse;
+ this.nodeComponent.mouseOverConnector = this.mouseOverConnector;
+ this.nodeComponent.dragging = this.dragging;
+ }
+ /**
+ * @private
+ * @param {?} element
+ * @param {?} clazz
+ * @param {?} set
+ * @return {?}
+ */
+ toggleClass(element, clazz, set) {
+ if (set) {
+ element.addClass(clazz);
+ }
+ else {
+ element.removeClass(clazz);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mousedown(event) {
+ event.stopPropagation();
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragstart(event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeDragstart(event, this.node);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ dragend(event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeDragend(event);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ click(event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeClicked(event, this.node);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mouseover(event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeMouseOver(event, this.node);
+ }
+ }
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ mouseout(event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeMouseOut(event, this.node);
+ }
+ }
+}
+FcNodeContainerComponent.decorators = [
+ { type: Component, args: [{
+ selector: 'fc-node',
+ template: ' ',
+ styles: [":host{position:absolute;z-index:1}:host.fc-dragging{z-index:10}:host ::ng-deep .fc-leftConnectors,:host ::ng-deep .fc-rightConnectors{position:absolute;top:0;height:100%;display:flex;flex-direction:column;z-index:-10}:host ::ng-deep .fc-leftConnectors .fc-magnet,:host ::ng-deep .fc-rightConnectors .fc-magnet{align-items:center}:host ::ng-deep .fc-leftConnectors{left:-20px}:host ::ng-deep .fc-rightConnectors{right:-20px}:host ::ng-deep .fc-magnet{display:flex;flex-grow:1;height:60px;justify-content:center}:host ::ng-deep .fc-connector{width:18px;height:18px;border:10px solid transparent;-moz-background-clip:padding;-webkit-background-clip:padding;background-clip:padding-box;border-radius:50%;background-color:#f7a789;color:#fff;pointer-events:all}:host ::ng-deep .fc-connector.fc-hover{background-color:#000}"]
+ }] }
+];
+/** @nocollapse */
+FcNodeContainerComponent.ctorParameters = () => [
+ { type: undefined, decorators: [{ type: Inject, args: [FC_NODE_COMPONENT_CONFIG,] }] },
+ { type: ElementRef },
+ { type: ComponentFactoryResolver }
+];
+FcNodeContainerComponent.propDecorators = {
+ callbacks: [{ type: Input }],
+ userNodeCallbacks: [{ type: Input }],
+ node: [{ type: Input }],
+ selected: [{ type: Input }],
+ edit: [{ type: Input }],
+ underMouse: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ dragging: [{ type: Input }],
+ nodeId: [{ type: HostBinding, args: ['attr.id',] }],
+ top: [{ type: HostBinding, args: ['style.top',] }],
+ left: [{ type: HostBinding, args: ['style.left',] }],
+ nodeContentContainer: [{ type: ViewChild, args: ['nodeContent', { read: ViewContainerRef, static: true },] }],
+ mousedown: [{ type: HostListener, args: ['mousedown', ['$event'],] }],
+ dragstart: [{ type: HostListener, args: ['dragstart', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }],
+ click: [{ type: HostListener, args: ['click', ['$event'],] }],
+ mouseover: [{ type: HostListener, args: ['mouseover', ['$event'],] }],
+ mouseout: [{ type: HostListener, args: ['mouseout', ['$event'],] }]
+};
+if (false) {
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.callbacks;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.node;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.selected;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.edit;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.underMouse;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.modelservice;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.dragging;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.nodeComponent;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.nodeContentContainer;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.nodeComponentConfig;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.elementRef;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.componentFactoryResolver;
+}
+/**
+ * @abstract
+ */
+class FcNodeComponent {
+ constructor() {
+ this.flowchartConstants = FlowchartConstants;
+ }
/**
* @return {?}
*/
ngOnInit() {
}
}
-NgxFlowchartComponent.decorators = [
+FcNodeComponent.propDecorators = {
+ callbacks: [{ type: Input }],
+ userNodeCallbacks: [{ type: Input }],
+ node: [{ type: Input }],
+ selected: [{ type: Input }],
+ edit: [{ type: Input }],
+ underMouse: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ dragging: [{ type: Input }]
+};
+if (false) {
+ /** @type {?} */
+ FcNodeComponent.prototype.callbacks;
+ /** @type {?} */
+ FcNodeComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ FcNodeComponent.prototype.node;
+ /** @type {?} */
+ FcNodeComponent.prototype.selected;
+ /** @type {?} */
+ FcNodeComponent.prototype.edit;
+ /** @type {?} */
+ FcNodeComponent.prototype.underMouse;
+ /** @type {?} */
+ FcNodeComponent.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcNodeComponent.prototype.modelservice;
+ /** @type {?} */
+ FcNodeComponent.prototype.dragging;
+ /** @type {?} */
+ FcNodeComponent.prototype.flowchartConstants;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+class DefaultFcNodeComponent extends FcNodeComponent {
+ constructor() {
+ super();
+ }
+}
+DefaultFcNodeComponent.decorators = [
{ type: Component, args: [{
- selector: 'fc-canvas',
- template: `
-
- ngx-flowchart works!
-
- `
+ selector: 'fc-default-node',
+ template: "\n
\n
\n
{{ node.name }}
\n\n
\n
\n
\n
\n \n
\n
\n ×\n
\n
\n",
+ styles: [":host .fc-node-overlay{position:absolute;pointer-events:none;left:0;top:0;right:0;bottom:0;background-color:#000;opacity:0}:host :host-context(.fc-hover) .fc-node-overlay{opacity:.25;transition:opacity .2s}:host :host-context(.fc-selected) .fc-node-overlay{opacity:.25}:host .innerNode{display:flex;justify-content:center;align-items:center;min-width:100px;border-radius:5px;background-color:#f15b26;color:#fff;font-size:16px;pointer-events:none}:host .innerNode p{padding:0 15px;text-align:center}"]
}] }
];
/** @nocollapse */
-NgxFlowchartComponent.ctorParameters = () => [];
+DefaultFcNodeComponent.ctorParameters = () => [];
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
+const ɵ0$1 = {
+ nodeComponentType: DefaultFcNodeComponent
+};
class NgxFlowchartModule {
}
NgxFlowchartModule.decorators = [
{ type: NgModule, args: [{
- declarations: [NgxFlowchartComponent],
- imports: [],
- exports: [NgxFlowchartComponent]
+ entryComponents: [
+ DefaultFcNodeComponent
+ ],
+ declarations: [NgxFlowchartComponent,
+ FcMagnetDirective,
+ FcConnectorDirective,
+ FcNodeContainerComponent,
+ DefaultFcNodeComponent],
+ providers: [
+ FcModelValidationService,
+ FcEdgeDrawingService,
+ {
+ provide: FC_NODE_COMPONENT_CONFIG,
+ useValue: ɵ0$1
+ }
+ ],
+ imports: [
+ CommonModule
+ ],
+ exports: [NgxFlowchartComponent,
+ FcMagnetDirective,
+ FcConnectorDirective,
+ DefaultFcNodeComponent]
},] }
];
@@ -65,5 +3600,5 @@ NgxFlowchartModule.decorators = [
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
-export { NgxFlowchartComponent, NgxFlowchartModule, NgxFlowchartService };
+export { FC_NODE_COMPONENT_CONFIG, FcNodeComponent, FlowchartConstants, ModelvalidationError, NgxFlowchartComponent, NgxFlowchartModule, fcTopSort, FcNodeContainerComponent as ɵa, FcModelValidationService as ɵb, FcEdgeDrawingService as ɵc, DefaultFcNodeComponent as ɵd, FcMagnetDirective as ɵe, FcConnectorDirective as ɵf };
//# sourceMappingURL=ngx-flowchart.js.map
diff --git a/dist/ngx-flowchart/fesm2015/ngx-flowchart.js.map b/dist/ngx-flowchart/fesm2015/ngx-flowchart.js.map
index 77b13d3..94e0bc8 100644
--- a/dist/ngx-flowchart/fesm2015/ngx-flowchart.js.map
+++ b/dist/ngx-flowchart/fesm2015/ngx-flowchart.js.map
@@ -1 +1 @@
-{"version":3,"file":"ngx-flowchart.js","sources":["ng://ngx-flowchart/lib/ngx-flowchart.service.ts","ng://ngx-flowchart/lib/ngx-flowchart.component.ts","ng://ngx-flowchart/lib/ngx-flowchart.module.ts"],"sourcesContent":["import { Injectable } from '@angular/core';\n\n@Injectable({\n providedIn: 'root'\n})\nexport class NgxFlowchartService {\n\n constructor() { }\n}\n","import { Component, OnInit } from '@angular/core';\n\n@Component({\n selector: 'fc-canvas',\n template: `\n \n ngx-flowchart works!\n
\n `,\n styles: []\n})\nexport class NgxFlowchartComponent implements OnInit {\n\n constructor() { }\n\n ngOnInit() {\n }\n\n}\n","import { NgModule } from '@angular/core';\nimport { NgxFlowchartComponent } from './ngx-flowchart.component';\n\n@NgModule({\n declarations: [NgxFlowchartComponent],\n imports: [\n ],\n exports: [NgxFlowchartComponent]\n})\nexport class NgxFlowchartModule { }\n"],"names":[],"mappings":";;;;;;AAAA,MAKa,mBAAmB;IAE9B,iBAAiB;;;YALlB,UAAU,SAAC;gBACV,UAAU,EAAE,MAAM;aACnB;;;;;;;;;;ACJD,MAWa,qBAAqB;IAEhC,iBAAiB;;;;IAEjB,QAAQ;KACP;;;YAdF,SAAS,SAAC;gBACT,QAAQ,EAAE,WAAW;gBACrB,QAAQ,EAAE;;;;GAIT;aAEF;;;;;;;;;ACVD,MASa,kBAAkB;;;YAN9B,QAAQ,SAAC;gBACR,YAAY,EAAE,CAAC,qBAAqB,CAAC;gBACrC,OAAO,EAAE,EACR;gBACD,OAAO,EAAE,CAAC,qBAAqB,CAAC;aACjC;;;;;;;;;;;;;;;"}
\ No newline at end of file
+{"version":3,"file":"ngx-flowchart.js","sources":["ng://ngx-flowchart/lib/ngx-flowchart.models.ts","ng://ngx-flowchart/lib/model.service.ts","ng://ngx-flowchart/lib/modelvalidation.service.ts","ng://ngx-flowchart/lib/node-dragging.service.ts","ng://ngx-flowchart/lib/edge-drawing.service.ts","ng://ngx-flowchart/lib/edge-dragging.service.ts","ng://ngx-flowchart/lib/mouseover.service.ts","ng://ngx-flowchart/lib/scrollparent.ts","ng://ngx-flowchart/lib/rectangleselect.service.ts","ng://ngx-flowchart/lib/ngx-flowchart.component.ts","ng://ngx-flowchart/lib/magnet.directive.ts","ng://ngx-flowchart/lib/connector.directive.ts","ng://ngx-flowchart/lib/node.component.ts","ng://ngx-flowchart/lib/default-node.component.ts","ng://ngx-flowchart/lib/ngx-flowchart.module.ts"],"sourcesContent":["import { Observable } from 'rxjs';\nimport { InjectionToken, Type } from '@angular/core';\nimport { FcNodeComponent } from './node.component';\n\nexport const FC_NODE_COMPONENT_CONFIG = new InjectionToken('fc-node.component.config');\n\nexport interface FcNodeComponentConfig {\n nodeComponentType: Type;\n}\n\nconst htmlPrefix = 'fc';\nconst leftConnectorType = 'leftConnector';\nconst rightConnectorType = 'rightConnector';\n\nexport const FlowchartConstants = {\n htmlPrefix,\n leftConnectorType,\n rightConnectorType,\n curvedStyle: 'curved',\n lineStyle: 'line',\n dragAnimationRepaint: 'repaint',\n dragAnimationShadow: 'shadow',\n canvasClass: htmlPrefix + '-canvas',\n selectedClass: htmlPrefix + '-selected',\n editClass: htmlPrefix + '-edit',\n activeClass: htmlPrefix + '-active',\n hoverClass: htmlPrefix + '-hover',\n draggingClass: htmlPrefix + '-dragging',\n edgeClass: htmlPrefix + '-edge',\n edgeLabelClass: htmlPrefix + '-edge-label',\n connectorClass: htmlPrefix + '-connector',\n magnetClass: htmlPrefix + '-magnet',\n nodeClass: htmlPrefix + '-node',\n nodeOverlayClass: htmlPrefix + '-node-overlay',\n leftConnectorClass: htmlPrefix + '-' + leftConnectorType + 's',\n rightConnectorClass: htmlPrefix + '-' + rightConnectorType + 's',\n canvasResizeThreshold: 200,\n canvasResizeStep: 200\n};\n\n\nexport interface FcCoords {\n x?: number;\n y?: number;\n}\n\nexport interface FcOffset {\n top: number;\n left: number;\n}\n\nexport interface FcRectBox {\n top: number;\n left: number;\n right: number;\n bottom: number;\n}\n\nexport interface FcConnector {\n id: string;\n type: string;\n}\n\nexport interface FcNode extends FcCoords {\n id: string;\n name: string;\n connectors: Array;\n readonly?: boolean;\n [key: string]: any;\n}\n\nexport interface FcEdge {\n label?: string;\n source?: string;\n destination?: string;\n active?: boolean;\n}\n\nexport interface FcItemInfo {\n node?: FcNode;\n edge?: FcEdge;\n}\n\nexport interface FcModel {\n nodes: Array;\n edges: Array;\n}\n\nexport interface UserCallbacks {\n dropNode?: (event: Event, node: FcNode) => void;\n createEdge?: (event: Event, edge: FcEdge) => Observable;\n edgeAdded?: (edge: FcEdge) => void;\n nodeRemoved?: (node: FcNode) => void;\n edgeRemoved?: (edge: FcEdge) => void;\n edgeDoubleClick?: (event: MouseEvent, edge: FcEdge) => void;\n edgeMouseOver?: (event: MouseEvent, edge: FcEdge) => void;\n isValidEdge?: (source: FcConnector, destination: FcConnector) => boolean;\n edgeEdit?: (event: Event, edge: FcEdge) => void;\n nodeCallbacks?: UserNodeCallbacks;\n}\n\nexport interface UserNodeCallbacks {\n nodeEdit?: (event: MouseEvent, node: FcNode) => void;\n doubleClick?: (event: MouseEvent, node: FcNode) => void;\n mouseDown?: (event: MouseEvent, node: FcNode) => void;\n mouseEnter?: (event: MouseEvent, node: FcNode) => void;\n mouseLeave?: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcCallbacks {\n nodeDragstart: (event: DragEvent, node: FcNode) => void;\n nodeDragend: (event: DragEvent) => void;\n edgeDragstart: (event: DragEvent, connector: FcConnector) => void;\n edgeDragend: (event: DragEvent) => void;\n edgeDrop: (event: DragEvent, targetConnector: FcConnector) => boolean;\n edgeDragoverConnector: (event: DragEvent, connector: FcConnector) => boolean;\n edgeDragoverMagnet: (event: DragEvent, connector: FcConnector) => boolean;\n edgeDragleaveMagnet: (event: DragEvent) => void;\n nodeMouseOver: (event: MouseEvent, node: FcNode) => void;\n nodeMouseOut: (event: MouseEvent, node: FcNode) => void;\n connectorMouseEnter: (event: MouseEvent, connector: FcConnector) => void;\n connectorMouseLeave: (event: MouseEvent, connector: FcConnector) => void;\n nodeClicked: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcAdjacentList {\n [id: string]: {\n incoming: number;\n outgoing: Array;\n };\n}\n\nexport class ModelvalidationError extends Error {\n constructor(message: string) {\n super(message);\n }\n}\n\nexport function fcTopSort(graph: FcModel): Array | null {\n const adjacentList: FcAdjacentList = {};\n graph.nodes.forEach((node) => {\n adjacentList[node.id] = {incoming: 0, outgoing: []};\n });\n graph.edges.forEach((edge) => {\n const sourceNode = graph.nodes.filter((node) => {\n return node.connectors.some((connector) => {\n return connector.id === edge.source;\n });\n })[0];\n const destinationNode = graph.nodes.filter((node) => {\n return node.connectors.some((connector) => {\n return connector.id === edge.destination;\n });\n })[0];\n adjacentList[sourceNode.id].outgoing.push(destinationNode.id);\n adjacentList[destinationNode.id].incoming++;\n });\n const orderedNodes: string[] = [];\n const sourceNodes: string[] = [];\n for (const node of Object.keys(adjacentList)) {\n const edges = adjacentList[node];\n if (edges.incoming === 0) {\n sourceNodes.push(node);\n }\n }\n while (sourceNodes.length !== 0) {\n const sourceNode = sourceNodes.pop();\n for (let i = 0; i < adjacentList[sourceNode].outgoing.length; i++) {\n const destinationNode = adjacentList[sourceNode].outgoing[i];\n adjacentList[destinationNode].incoming--;\n if (adjacentList[destinationNode].incoming === 0) {\n sourceNodes.push(destinationNode);\n }\n adjacentList[sourceNode].outgoing.splice(i, 1);\n i--;\n }\n orderedNodes.push(sourceNode);\n }\n let hasEdges = false;\n for (const node of Object.keys(adjacentList)) {\n const edges = adjacentList[node];\n if (edges.incoming !== 0) {\n hasEdges = true;\n }\n }\n if (hasEdges) {\n return null;\n } else {\n return orderedNodes;\n }\n}\n","import { FcModelValidationService } from './modelvalidation.service';\nimport { FcConnector, FcCoords, FcEdge, FcItemInfo, FcModel, FcNode, FcRectBox } from './ngx-flowchart.models';\nimport { Observable, of } from 'rxjs';\nimport { ChangeDetectorRef } from '@angular/core';\n\nexport class FcModelService {\n\n modelValidation: FcModelValidationService;\n model: FcModel;\n cd: ChangeDetectorRef;\n selectedObjects: any[];\n\n connectorsHtmlElements: HtmlElementMap = {};\n nodesHtmlElements: HtmlElementMap = {};\n canvasHtmlElement: HTMLElement = null;\n dragImage: HTMLImageElement = null;\n svgHtmlElement: SVGElement = null;\n\n dropNode: (event: Event, node: FcNode) => void;\n createEdge: (event: Event, edge: FcEdge) => Observable;\n edgeAddedCallback: (edge: FcEdge) => void;\n nodeRemovedCallback: (node: FcNode) => void;\n edgeRemovedCallback: (edge: FcEdge) => void;\n\n dropTargetId: string;\n\n connectors: ConnectorsModel;\n nodes: NodesModel;\n edges: EdgesModel;\n\n constructor(modelValidation: FcModelValidationService,\n model: FcModel,\n cd: ChangeDetectorRef,\n selectedObjects: any[],\n dropNode: (event: Event, node: FcNode) => void,\n createEdge: (event: Event, edge: FcEdge) => Observable,\n edgeAddedCallback: (edge: FcEdge) => void,\n nodeRemovedCallback: (node: FcNode) => void,\n edgeRemovedCallback: (edge: FcEdge) => void,\n canvasHtmlElement: HTMLElement,\n svgHtmlElement: SVGElement) {\n\n this.modelValidation = modelValidation;\n this.model = model;\n this.cd = cd;\n this.canvasHtmlElement = canvasHtmlElement;\n this.svgHtmlElement = svgHtmlElement;\n this.modelValidation.validateModel(this.model);\n this.selectedObjects = selectedObjects;\n\n this.dropNode = dropNode || (() => {});\n this.createEdge = createEdge || (() => of({label: 'label'}));\n this.edgeAddedCallback = edgeAddedCallback || (() => {});\n this.nodeRemovedCallback = nodeRemovedCallback || (() => {});\n this.edgeRemovedCallback = edgeRemovedCallback || (() => {});\n\n this.connectors = new ConnectorsModel(this);\n this.nodes = new NodesModel(this);\n this.edges = new EdgesModel(this);\n }\n\n public detectChanges() {\n setTimeout(() => {\n this.cd.detectChanges();\n }, 0);\n }\n\n public selectObject(object: any) {\n if (this.isEditable()) {\n if (this.selectedObjects.indexOf(object) === -1) {\n this.selectedObjects.push(object);\n }\n }\n }\n\n public deselectObject(object: any) {\n if (this.isEditable()) {\n const index = this.selectedObjects.indexOf(object);\n if (index === -1) {\n throw new Error('Tried to deselect an unselected object');\n }\n this.selectedObjects.splice(index, 1);\n }\n }\n\n public toggleSelectedObject(object: any) {\n if (this.isSelectedObject(object)) {\n this.deselectObject(object);\n } else {\n this.selectObject(object);\n }\n }\n\n public isSelectedObject(object: any): boolean {\n return this.selectedObjects.indexOf(object) !== -1;\n }\n\n public selectAll() {\n this.model.nodes.forEach(node => {\n if (!node.readonly) {\n this.nodes.select(node);\n }\n });\n this.model.edges.forEach(edge => {\n this.edges.select(edge);\n });\n this.detectChanges();\n }\n\n public deselectAll() {\n this.selectedObjects.splice(0, this.selectedObjects.length);\n this.detectChanges();\n }\n\n public isEditObject(object: any): boolean {\n return this.selectedObjects.length === 1 &&\n this.selectedObjects.indexOf(object) !== -1;\n }\n\n private inRectBox(x: number, y: number, rectBox: FcRectBox): boolean {\n return x >= rectBox.left && x <= rectBox.right &&\n y >= rectBox.top && y <= rectBox.bottom;\n }\n\n public getItemInfoAtPoint(x: number, y: number): FcItemInfo {\n return {\n node: this.getNodeAtPoint(x, y),\n edge: this.getEdgeAtPoint(x, y)\n };\n }\n\n public getNodeAtPoint(x: number, y: number): FcNode {\n for (const node of this.model.nodes) {\n const element = this.nodes.getHtmlElement(node.id);\n const nodeElementBox = element.getBoundingClientRect();\n if (x >= nodeElementBox.left && x <= nodeElementBox.right\n && y >= nodeElementBox.top && y <= nodeElementBox.bottom) {\n return node;\n }\n }\n return null;\n }\n\n public getEdgeAtPoint(x: number, y: number): FcEdge {\n const element = document.elementFromPoint(x, y);\n const id = element.id;\n let edgeIndex = -1;\n if (id) {\n if (id.startsWith('fc-edge-path-')) {\n edgeIndex = Number(id.substring('fc-edge-path-'.length));\n } else if (id.startsWith('fc-edge-label-')) {\n edgeIndex = Number(id.substring('fc-edge-label-'.length));\n }\n }\n if (edgeIndex > -1) {\n return this.model.edges[edgeIndex];\n }\n return null;\n }\n\n public selectAllInRect(rectBox: FcRectBox) {\n this.model.nodes.forEach((value) => {\n const element = this.nodes.getHtmlElement(value.id);\n const nodeElementBox = element.getBoundingClientRect();\n if (!value.readonly) {\n const x = nodeElementBox.left + nodeElementBox.width / 2;\n const y = nodeElementBox.top + nodeElementBox.height / 2;\n if (this.inRectBox(x, y, rectBox)) {\n this.nodes.select(value);\n } else {\n if (this.nodes.isSelected(value)) {\n this.nodes.deselect(value);\n }\n }\n }\n });\n const canvasElementBox = this.canvasHtmlElement.getBoundingClientRect();\n this.model.edges.forEach((value) => {\n const start = this.edges.sourceCoord(value);\n const end = this.edges.destCoord(value);\n const x = (start.x + end.x) / 2 + canvasElementBox.left;\n const y = (start.y + end.y) / 2 + canvasElementBox.top;\n if (this.inRectBox(x, y, rectBox)) {\n this.edges.select(value);\n } else {\n if (this.edges.isSelected(value)) {\n this.edges.deselect(value);\n }\n }\n });\n }\n\n public deleteSelected() {\n const edgesToDelete = this.edges.getSelectedEdges();\n edgesToDelete.forEach((edge) => {\n this.edges.delete(edge);\n });\n const nodesToDelete = this.nodes.getSelectedNodes();\n nodesToDelete.forEach((node) => {\n this.nodes.delete(node);\n });\n }\n\n public isEditable(): boolean {\n return this.dropTargetId === undefined;\n }\n\n public isDropSource(): boolean {\n return this.dropTargetId !== undefined;\n }\n\n public getDragImage(): HTMLImageElement {\n if (!this.dragImage) {\n this.dragImage = new Image();\n this.dragImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';\n this.dragImage.style.visibility = 'hidden';\n }\n return this.dragImage;\n }\n\n public registerCallbacks(edgeAddedCallback: (edge: FcEdge) => void,\n nodeRemovedCallback: (node: FcNode) => void,\n edgeRemovedCallback: (edge: FcEdge) => void) {\n this.edgeAddedCallback = edgeAddedCallback;\n this.nodeRemovedCallback = nodeRemovedCallback;\n this.edgeRemovedCallback = edgeRemovedCallback;\n }\n\n}\n\ninterface HtmlElementMap { [id: string]: HTMLElement; }\n\nabstract class AbstractFcModel {\n\n modelService: FcModelService;\n\n protected constructor(modelService: FcModelService) {\n this.modelService = modelService;\n }\n\n public select(object: T) {\n this.modelService.selectObject(object);\n }\n\n public deselect(object: T) {\n this.modelService.deselectObject(object);\n }\n\n public toggleSelected(object: T) {\n this.modelService.toggleSelectedObject(object);\n }\n\n public isSelected(object: T): boolean {\n return this.modelService.isSelectedObject(object);\n }\n\n public isEdit(object: T): boolean {\n return this.modelService.isEditObject(object);\n }\n}\n\nclass ConnectorsModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public getConnector(connectorId: string): FcConnector {\n const model = this.modelService.model;\n for (const node of model.nodes) {\n for (const connector of node.connectors) {\n if (connector.id === connectorId) {\n return connector;\n }\n }\n }\n }\n\n public getHtmlElement(connectorId: string): HTMLElement {\n return this.modelService.connectorsHtmlElements[connectorId];\n }\n\n public setHtmlElement(connectorId: string, element: HTMLElement) {\n this.modelService.connectorsHtmlElements[connectorId] = element;\n this.modelService.detectChanges();\n }\n\n private _getCoords(connectorId: string, centered?: boolean): FcCoords {\n const element = this.getHtmlElement(connectorId);\n const canvas = this.modelService.canvasHtmlElement;\n if (element === null || element === undefined || canvas === null) {\n return {x: 0, y: 0};\n }\n const connectorElementBox = element.getBoundingClientRect();\n const canvasElementBox = canvas.getBoundingClientRect();\n let coords: FcCoords = {\n x: connectorElementBox.left - canvasElementBox.left,\n y: connectorElementBox.top - canvasElementBox.top\n };\n if (centered) {\n coords = {\n x: Math.round(coords.x + element.offsetWidth / 2),\n y: Math.round(coords.y + element.offsetHeight / 2)\n };\n }\n return coords;\n }\n\n public getCoords(connectorId: string): FcCoords {\n return this._getCoords(connectorId, false);\n }\n\n public getCenteredCoord(connectorId: string): FcCoords {\n return this._getCoords(connectorId, true);\n }\n}\n\nclass NodesModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public getConnectorsByType(node: FcNode, type: string): Array {\n return node.connectors.filter((connector) => {\n return connector.type === type;\n });\n }\n\n private _addConnector(node: FcNode, connector: FcConnector) {\n node.connectors.push(connector);\n try {\n this.modelService.modelValidation.validateNode(node);\n } catch (error) {\n node.connectors.splice(node.connectors.indexOf(connector), 1);\n throw error;\n }\n }\n\n public delete(node: FcNode) {\n if (this.isSelected(node)) {\n this.deselect(node);\n }\n const model = this.modelService.model;\n const index = model.nodes.indexOf(node);\n if (index === -1) {\n if (node === undefined) {\n throw new Error('Passed undefined');\n }\n throw new Error('Tried to delete not existing node');\n }\n const connectorIds = this.getConnectorIds(node);\n for (let i = 0; i < model.edges.length; i++) {\n const edge = model.edges[i];\n if (connectorIds.indexOf(edge.source) !== -1 || connectorIds.indexOf(edge.destination) !== -1) {\n this.modelService.edges.delete(edge);\n i--;\n }\n }\n model.nodes.splice(index, 1);\n this.modelService.nodeRemovedCallback(node);\n }\n\n public getSelectedNodes(): Array {\n const model = this.modelService.model;\n return model.nodes.filter((node) => {\n return this.modelService.nodes.isSelected(node);\n });\n }\n\n public handleClicked(node: FcNode, ctrlKey?: boolean) {\n if (ctrlKey) {\n this.modelService.nodes.toggleSelected(node);\n } else {\n this.modelService.deselectAll();\n this.modelService.nodes.select(node);\n }\n }\n\n private _addNode(node: FcNode) {\n const model = this.modelService.model;\n try {\n model.nodes.push(node);\n this.modelService.modelValidation.validateNodes(model.nodes);\n } catch (error) {\n model.nodes.splice(model.nodes.indexOf(node), 1);\n throw error;\n }\n }\n\n public getConnectorIds(node: FcNode): Array {\n return node.connectors.map((connector) => {\n return connector.id;\n });\n }\n\n public getNodeByConnectorId(connectorId: string): FcNode {\n const model = this.modelService.model;\n for (const node of model.nodes) {\n const connectorIds = this.getConnectorIds(node);\n if (connectorIds.indexOf(connectorId) > -1) {\n return node;\n }\n }\n return null;\n }\n\n public getHtmlElement(nodeId: string): HTMLElement {\n return this.modelService.nodesHtmlElements[nodeId];\n }\n\n public setHtmlElement(nodeId: string, element: HTMLElement) {\n this.modelService.nodesHtmlElements[nodeId] = element;\n this.modelService.detectChanges();\n }\n\n}\n\nclass EdgesModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public ready(edge: FcEdge): boolean {\n const source = this.modelService.connectors.getHtmlElement(edge.source);\n const destination = this.modelService.connectors.getHtmlElement(edge.destination);\n return source !== undefined && destination !== undefined;\n }\n\n public sourceCoord(edge: FcEdge): FcCoords {\n return this.modelService.connectors.getCenteredCoord(edge.source);\n }\n\n public destCoord(edge: FcEdge): FcCoords {\n return this.modelService.connectors.getCenteredCoord(edge.destination);\n }\n\n public delete(edge: FcEdge) {\n const model = this.modelService.model;\n const index = model.edges.indexOf(edge);\n if (index === -1) {\n throw new Error('Tried to delete not existing edge');\n }\n if (this.isSelected(edge)) {\n this.deselect(edge);\n }\n model.edges.splice(index, 1);\n this.modelService.edgeRemovedCallback(edge);\n }\n\n public getSelectedEdges(): Array {\n const model = this.modelService.model;\n return model.edges.filter((edge) => {\n return this.modelService.edges.isSelected(edge);\n });\n }\n\n public handleEdgeMouseClick(edge: FcEdge, ctrlKey?: boolean) {\n if (ctrlKey) {\n this.modelService.edges.toggleSelected(edge);\n } else {\n this.modelService.deselectAll();\n this.modelService.edges.select(edge);\n }\n }\n\n public putEdge(edge: FcEdge) {\n const model = this.modelService.model;\n model.edges.push(edge);\n }\n\n public _addEdge(event: Event, sourceConnector: FcConnector, destConnector: FcConnector, label: string) {\n this.modelService.modelValidation.validateConnector(sourceConnector);\n this.modelService.modelValidation.validateConnector(destConnector);\n const edge: FcEdge = {};\n edge.source = sourceConnector.id;\n edge.destination = destConnector.id;\n edge.label = label;\n const model = this.modelService.model;\n this.modelService.modelValidation.validateEdges(model.edges.concat([edge]), model.nodes);\n this.modelService.createEdge(event, edge).subscribe(\n (created) => {\n model.edges.push(created);\n this.modelService.edgeAddedCallback(created);\n }\n );\n }\n}\n","import { Injectable } from '@angular/core';\nimport { FcConnector, FcEdge, FcModel, FcNode, fcTopSort, ModelvalidationError } from './ngx-flowchart.models';\n\n@Injectable()\nexport class FcModelValidationService {\n\n constructor() { }\n\n public validateModel(model: FcModel): FcModel {\n this.validateNodes(model.nodes);\n this._validateEdges(model.edges, model.nodes);\n return model;\n }\n\n public validateNodes(nodes: Array): Array {\n const ids: string[] = [];\n nodes.forEach((node) => {\n this.validateNode(node);\n if (ids.indexOf(node.id) !== -1) {\n throw new ModelvalidationError('Id not unique.');\n }\n ids.push(node.id);\n });\n const connectorIds: string[] = [];\n nodes.forEach((node) => {\n node.connectors.forEach((connector) => {\n if (connectorIds.indexOf(connector.id) !== -1) {\n throw new ModelvalidationError('Id not unique.');\n }\n connectorIds.push(connector.id);\n });\n });\n return nodes;\n }\n\n public validateNode(node: FcNode): FcNode {\n if (node.id === undefined) {\n throw new ModelvalidationError('Id not valid.');\n }\n if (typeof node.name !== 'string') {\n throw new ModelvalidationError('Name not valid.');\n }\n if (typeof node.x !== 'number' || node.x < 0 || Math.round(node.x) !== node.x) {\n throw new ModelvalidationError('Coordinates not valid.');\n }\n if (typeof node.y !== 'number' || node.y < 0 || Math.round(node.y) !== node.y) {\n throw new ModelvalidationError('Coordinates not valid.');\n }\n if (!Array.isArray(node.connectors)) {\n throw new ModelvalidationError('Connectors not valid.');\n }\n node.connectors.forEach((connector) => {\n this.validateConnector(connector);\n });\n return node;\n }\n\n private _validateEdges(edges: Array, nodes: Array): Array {\n edges.forEach((edge) => {\n this._validateEdge(edge, nodes);\n });\n edges.forEach((edge1, index1) => {\n edges.forEach((edge2, index2) => {\n if (index1 !== index2) {\n if ((edge1.source === edge2.source && edge1.destination === edge2.destination) ||\n (edge1.source === edge2.destination && edge1.destination === edge2.source)) {\n throw new ModelvalidationError('Duplicated edge.');\n }\n }\n });\n });\n if (fcTopSort({nodes, edges}) === null) {\n throw new ModelvalidationError('Graph has a circle.');\n }\n return edges;\n }\n\n public validateEdges(edges: Array, nodes: Array): Array {\n this.validateNodes(nodes);\n return this._validateEdges(edges, nodes);\n }\n\n private _validateEdge(edge: FcEdge, nodes: Array): FcEdge {\n if (edge.source === undefined) {\n throw new ModelvalidationError('Source not valid.');\n }\n if (edge.destination === undefined) {\n throw new ModelvalidationError('Destination not valid.');\n }\n if (edge.source === edge.destination) {\n throw new ModelvalidationError('Edge with same source and destination connectors.');\n }\n const sourceNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.source))[0];\n if (sourceNode === undefined) {\n throw new ModelvalidationError('Source not valid.');\n }\n const destinationNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.destination))[0];\n if (destinationNode === undefined) {\n throw new ModelvalidationError('Destination not valid.');\n }\n if (sourceNode === destinationNode) {\n throw new ModelvalidationError('Edge with same source and destination nodes.');\n }\n return edge;\n }\n\n public validateEdge(edge: FcEdge, nodes: Array): FcEdge {\n this.validateNodes(nodes);\n return this._validateEdge(edge, nodes);\n }\n\n public validateConnector(connector: FcConnector): FcConnector {\n if (connector.id === undefined) {\n throw new ModelvalidationError('Id not valid.');\n }\n if (connector.type === undefined || connector.type === null || typeof connector.type !== 'string') {\n throw new ModelvalidationError('Type not valid.');\n }\n return connector;\n }\n\n}\n","import { FcModelService } from './model.service';\nimport { FcCoords, FcNode, FlowchartConstants } from './ngx-flowchart.models';\n\nconst nodeDropScope: NodeDropScope = {\n dropElement: null\n};\n\nexport class FcNodeDraggingService {\n\n nodeDraggingScope: NodeDraggingScope = {\n shadowDragStarted: false,\n dropElement: null,\n draggedNodes: [],\n shadowElements: []\n };\n\n private dragOffsets: FcCoords[] = [];\n private draggedElements: HTMLElement[] = [];\n\n private destinationHtmlElements: HTMLElement[] = [];\n private oldDisplayStyles: string[] = [];\n\n private readonly modelService: FcModelService;\n private readonly automaticResize: boolean;\n private readonly dragAnimation: string;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(modelService: FcModelService,\n applyFunction: (fn: (...args: any[]) => T) => T,\n automaticResize: boolean, dragAnimation: string) {\n this.modelService = modelService;\n this.automaticResize = automaticResize;\n this.dragAnimation = dragAnimation;\n this.applyFunction = applyFunction;\n }\n\n private getCoordinate(coordinate: number, max: number): number {\n coordinate = Math.max(coordinate, 0);\n coordinate = Math.min(coordinate, max);\n return coordinate;\n }\n\n private getXCoordinate(x: number): number {\n return this.getCoordinate(x, this.modelService.canvasHtmlElement.offsetWidth);\n }\n\n private getYCoordinate(y: number): number {\n return this.getCoordinate(y, this.modelService.canvasHtmlElement.offsetHeight);\n }\n\n private resizeCanvas(draggedNode: FcNode, nodeElement: HTMLElement) {\n if (this.automaticResize && !this.modelService.isDropSource()) {\n const canvasElement = this.modelService.canvasHtmlElement;\n if (canvasElement.offsetWidth < draggedNode.x + nodeElement.offsetWidth + FlowchartConstants.canvasResizeThreshold) {\n canvasElement.style.width = canvasElement.offsetWidth + FlowchartConstants.canvasResizeStep + 'px';\n }\n if (canvasElement.offsetHeight < draggedNode.y + nodeElement.offsetHeight + FlowchartConstants.canvasResizeThreshold) {\n canvasElement.style.height = canvasElement.offsetHeight + FlowchartConstants.canvasResizeStep + 'px';\n }\n }\n }\n\n public isDraggingNode(node: FcNode): boolean {\n return this.nodeDraggingScope.draggedNodes.includes(node);\n }\n\n public dragstart(event: DragEvent, node: FcNode) {\n if (node.readonly) {\n return;\n }\n this.dragOffsets.length = 0;\n this.draggedElements.length = 0;\n this.nodeDraggingScope.draggedNodes.length = 0;\n this.nodeDraggingScope.shadowElements.length = 0;\n this.destinationHtmlElements.length = 0;\n this.oldDisplayStyles.length = 0;\n const elements: Array> = [];\n const nodes: Array = [];\n if (this.modelService.nodes.isSelected(node)) {\n const selectedNodes = this.modelService.nodes.getSelectedNodes();\n for (const selectedNode of selectedNodes) {\n const element = $(this.modelService.nodes.getHtmlElement(selectedNode.id));\n elements.push(element);\n nodes.push(selectedNode);\n }\n } else {\n elements.push($(event.target as HTMLElement));\n nodes.push(node);\n }\n const offsetsX: number[] = [];\n const offsetsY: number[] = [];\n for (const element of elements) {\n offsetsX.push(parseInt(element.css('left'), 10) - event.clientX);\n offsetsY.push(parseInt(element.css('top'), 10) - event.clientY);\n }\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n if (this.modelService.isDropSource()) {\n if (nodeDropScope.dropElement) {\n nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n nodeDropScope.dropElement = null;\n }\n nodeDropScope.dropElement = elements[0][0].cloneNode(true) as NodeDropElement;\n const offset = $(this.modelService.canvasHtmlElement).offset();\n nodeDropScope.dropElement.offsetInfo = {\n offsetX: Math.round(offsetsX[0] + offset.left),\n offsetY: Math.round(offsetsY[0] + offset.top)\n };\n nodeDropScope.dropElement.style.position = 'absolute';\n nodeDropScope.dropElement.style.pointerEvents = 'none';\n nodeDropScope.dropElement.style.zIndex = '9999';\n\n document.body.appendChild(nodeDropScope.dropElement);\n const dropNodeInfo: DropNodeInfo = {\n node,\n dropTargetId: this.modelService.dropTargetId,\n offsetX: Math.round(offsetsX[0] + offset.left),\n offsetY: Math.round(offsetsY[0] + offset.top)\n };\n originalEvent.dataTransfer.setData('text', JSON.stringify(dropNodeInfo));\n\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n const target: HTMLElement = event.target as HTMLElement;\n this.destinationHtmlElements.push(target);\n this.oldDisplayStyles.push(target.style.display);\n target.style.display = 'none';\n this.nodeDraggingScope.shadowDragStarted = true;\n }\n return;\n }\n this.nodeDraggingScope.draggedNodes = nodes;\n for (let i = 0; i < elements.length; i++) {\n this.draggedElements.push(elements[i][0]);\n this.dragOffsets.push(\n {\n x: offsetsX[i],\n y: offsetsY[i]\n }\n );\n }\n\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n for (let i = 0; i < this.draggedElements.length; i++) {\n const dragOffset = this.dragOffsets[i];\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const shadowElement = $(``);\n const targetInnerNode = $(this.draggedElements[i]).children()[0];\n shadowElement.children()[0].style.backgroundColor = targetInnerNode.style.backgroundColor;\n this.nodeDraggingScope.shadowElements.push(shadowElement);\n this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[i][0]);\n }\n }\n originalEvent.dataTransfer.setData('text', 'Just to support firefox');\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n for (let i = 0; i < this.draggedElements.length; i++) {\n this.destinationHtmlElements.push(this.draggedElements[i]);\n this.oldDisplayStyles.push(this.destinationHtmlElements[i].style.display);\n this.destinationHtmlElements[i].style.display = 'none';\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.nodeDraggingScope.shadowDragStarted = true;\n }\n }\n }\n\n public drop(event: DragEvent): boolean {\n if (this.modelService.isDropSource()) {\n event.preventDefault();\n return false;\n }\n let dropNode: FcNode = null;\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n const infoText = originalEvent.dataTransfer.getData('text');\n if (infoText) {\n let dropNodeInfo: DropNodeInfo = null;\n try {\n dropNodeInfo = JSON.parse(infoText);\n } catch (e) {}\n if (dropNodeInfo && dropNodeInfo.dropTargetId) {\n if (this.modelService.canvasHtmlElement.id &&\n this.modelService.canvasHtmlElement.id === dropNodeInfo.dropTargetId) {\n dropNode = dropNodeInfo.node;\n const offset = $(this.modelService.canvasHtmlElement).offset();\n const x = event.clientX - offset.left;\n const y = event.clientY - offset.top;\n dropNode.x = Math.round(this.getXCoordinate(dropNodeInfo.offsetX + x));\n dropNode.y = Math.round(this.getYCoordinate(dropNodeInfo.offsetY + y));\n }\n }\n }\n if (dropNode) {\n this.modelService.dropNode(event, dropNode);\n event.preventDefault();\n return false;\n } else if (this.nodeDraggingScope.draggedNodes.length) {\n return this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n draggedNode.x = Math.round(this.getXCoordinate(dragOffset.x + event.clientX));\n draggedNode.y = Math.round(this.getYCoordinate(dragOffset.y + event.clientY));\n }\n event.preventDefault();\n return false;\n });\n }\n }\n\n public dragover(event: DragEvent) {\n if (nodeDropScope.dropElement) {\n const offsetInfo = nodeDropScope.dropElement.offsetInfo;\n nodeDropScope.dropElement.style.left = (offsetInfo.offsetX + event.clientX) + 'px';\n nodeDropScope.dropElement.style.top = (offsetInfo.offsetY + event.clientY) + 'px';\n if (this.nodeDraggingScope.shadowDragStarted) {\n this.applyFunction(() => {\n this.destinationHtmlElements[0].style.display = this.oldDisplayStyles[0];\n this.nodeDraggingScope.shadowDragStarted = false;\n });\n }\n event.preventDefault();\n return;\n }\n if (this.modelService.isDropSource()) {\n event.preventDefault();\n return;\n }\n if (!this.nodeDraggingScope.draggedNodes.length) {\n event.preventDefault();\n return;\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n if (this.nodeDraggingScope.draggedNodes.length) {\n return this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n draggedNode.x = this.getXCoordinate(dragOffset.x + event.clientX);\n draggedNode.y = this.getYCoordinate(dragOffset.y + event.clientY);\n this.resizeCanvas(draggedNode, this.draggedElements[i]);\n }\n event.preventDefault();\n return false;\n });\n }\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.nodeDraggingScope.draggedNodes.length) {\n if (this.nodeDraggingScope.shadowDragStarted) {\n this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n this.destinationHtmlElements[i].style.display = this.oldDisplayStyles[i];\n }\n this.nodeDraggingScope.shadowDragStarted = false;\n });\n }\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n this.nodeDraggingScope.shadowElements[i].css('left', this.getXCoordinate(dragOffset.x + event.clientX) + 'px');\n this.nodeDraggingScope.shadowElements[i].css('top', this.getYCoordinate(dragOffset.y + event.clientY) + 'px');\n this.resizeCanvas(draggedNode, this.draggedElements[i]);\n }\n event.preventDefault();\n }\n }\n }\n\n public dragend(event: DragEvent) {\n this.applyFunction(() => {\n if (nodeDropScope.dropElement) {\n nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n nodeDropScope.dropElement = null;\n }\n if (this.modelService.isDropSource()) {\n return;\n }\n if (this.nodeDraggingScope.shadowElements.length) {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const shadowElement = this.nodeDraggingScope.shadowElements[i];\n draggedNode.x = parseInt(shadowElement.css('left').replace('px', ''), 10);\n draggedNode.y = parseInt(shadowElement.css('top').replace('px', ''), 10);\n this.modelService.canvasHtmlElement.removeChild(shadowElement[0]);\n }\n this.nodeDraggingScope.shadowElements.length = 0;\n }\n\n if (this.nodeDraggingScope.draggedNodes.length) {\n this.nodeDraggingScope.draggedNodes.length = 0;\n this.draggedElements.length = 0;\n this.dragOffsets.length = 0;\n }\n });\n }\n\n}\n\nexport interface NodeDraggingScope {\n draggedNodes: Array;\n shadowElements: Array>;\n shadowDragStarted: boolean;\n dropElement: HTMLElement;\n}\n\nexport interface NodeDropElement extends HTMLElement {\n offsetInfo?: {\n offsetX: number;\n offsetY: number;\n };\n}\n\nexport interface NodeDropScope {\n dropElement: NodeDropElement;\n}\n\nexport interface DropNodeInfo {\n node: FcNode;\n dropTargetId: string;\n offsetX: number;\n offsetY: number;\n}\n","import { Injectable } from '@angular/core';\nimport { FcCoords, FlowchartConstants } from './ngx-flowchart.models';\n\n@Injectable()\nexport class FcEdgeDrawingService {\n\n constructor() {\n }\n\n public getEdgeDAttribute(pt1: FcCoords, pt2: FcCoords, style: string): string {\n let dAddribute = `M ${pt1.x}, ${pt1.y} `;\n if (style === FlowchartConstants.curvedStyle) {\n const sourceTangent = this.computeEdgeSourceTangent(pt1, pt2);\n const destinationTangent = this.computeEdgeDestinationTangent(pt1, pt2);\n dAddribute += `C ${sourceTangent.x}, ${sourceTangent.y} ${(destinationTangent.x - 50)}, ${destinationTangent.y} ${pt2.x}, ${pt2.y}`;\n } else {\n dAddribute += `L ${pt2.x}, ${pt2.y}`;\n }\n return dAddribute;\n }\n\n public getEdgeCenter(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: (pt1.x + pt2.x) / 2,\n y: (pt1.y + pt2.y) / 2\n };\n }\n\n private computeEdgeTangentOffset(pt1: FcCoords, pt2: FcCoords): number {\n return (pt2.y - pt1.y) / 2;\n }\n\n private computeEdgeSourceTangent(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: pt1.x,\n y: pt1.y + this.computeEdgeTangentOffset(pt1, pt2)\n };\n }\n\n private computeEdgeDestinationTangent(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: pt2.x,\n y: pt2.y - this.computeEdgeTangentOffset(pt1, pt2)\n };\n }\n\n}\n","import { FcModelService } from './model.service';\nimport { FcConnector, FcCoords, FcEdge, FcModel, FlowchartConstants, ModelvalidationError } from './ngx-flowchart.models';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcModelValidationService } from './modelvalidation.service';\n\nexport class FcEdgeDraggingService {\n\n edgeDragging: EdgeDragging = {\n isDragging: false,\n dragPoint1: null,\n dragPoint2: null,\n shadowDragStarted: false\n };\n\n private draggedEdgeSource: FcConnector = null;\n private dragOffset: FcCoords = {};\n private destinationHtmlElement: HTMLElement = null;\n private oldDisplayStyle = '';\n\n private readonly modelValidation: FcModelValidationService;\n private readonly edgeDrawingService: FcEdgeDrawingService;\n private readonly modelService: FcModelService;\n private readonly model: FcModel;\n private readonly isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n private readonly dragAnimation: string;\n private readonly edgeStyle: string;\n\n constructor(modelValidation: FcModelValidationService,\n edgeDrawingService: FcEdgeDrawingService,\n modelService: FcModelService,\n model: FcModel,\n isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean,\n applyFunction: (fn: (...args: any[]) => T) => T,\n dragAnimation: string,\n edgeStyle: string) {\n this.modelValidation = modelValidation;\n this.edgeDrawingService = edgeDrawingService;\n this.modelService = modelService;\n this.model = model;\n this.isValidEdgeCallback = isValidEdgeCallback || (() => true);\n this.applyFunction = applyFunction;\n this.dragAnimation = dragAnimation;\n this.edgeStyle = edgeStyle;\n }\n\n public dragstart(event: DragEvent, connector: FcConnector) {\n let swapConnector: FcConnector;\n let dragLabel: string;\n let prevEdge: FcEdge;\n if (connector.type === FlowchartConstants.leftConnectorType) {\n for (const edge of this.model.edges) {\n if (edge === connector.id) {\n swapConnector = this.modelService.connectors.getConnector(edge.source);\n dragLabel = edge.label;\n prevEdge = edge;\n this.applyFunction(() => {\n this.modelService.edges.delete(edge);\n });\n break;\n }\n }\n }\n this.edgeDragging.isDragging = true;\n if (swapConnector !== undefined) {\n this.draggedEdgeSource = swapConnector;\n this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(swapConnector.id);\n this.edgeDragging.dragLabel = dragLabel;\n this.edgeDragging.prevEdge = prevEdge;\n } else {\n this.draggedEdgeSource = connector;\n this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(connector.id);\n }\n const canvas = this.modelService.canvasHtmlElement;\n if (!canvas) {\n throw new Error('No canvas while edgedraggingService found.');\n }\n this.dragOffset.x = -canvas.getBoundingClientRect().left;\n this.dragOffset.y = -canvas.getBoundingClientRect().top;\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n\n originalEvent.dataTransfer.setData('Text', 'Just to support firefox');\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n this.destinationHtmlElement = event.target as HTMLElement;\n this.oldDisplayStyle = this.destinationHtmlElement.style.display;\n this.destinationHtmlElement.style.display = 'none';\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.edgeDragging.shadowDragStarted = true;\n }\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.edgeDragging.gElement === undefined) {\n this.edgeDragging.gElement = $(document.querySelectorAll('.shadow-svg-class'));\n this.edgeDragging.pathElement = $(document.querySelectorAll('.shadow-svg-class')).find('path');\n this.edgeDragging.circleElement = $(document.querySelectorAll('.shadow-svg-class')).find('circle');\n }\n\n this.edgeDragging.gElement.css('display', 'block');\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n }\n event.stopPropagation();\n }\n\n public dragover(event: DragEvent) {\n if (this.edgeDragging.isDragging) {\n if (!this.edgeDragging.magnetActive && this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.destinationHtmlElement !== null) {\n this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n }\n\n if (this.edgeDragging.shadowDragStarted) {\n this.applyFunction(() => {\n this.edgeDragging.shadowDragStarted = false;\n });\n }\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n return this.applyFunction(() => {\n if (this.destinationHtmlElement !== null) {\n this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n }\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n });\n }\n }\n }\n\n public dragoverConnector(event: DragEvent, connector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n this.dragover(event);\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: connector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n event.preventDefault();\n event.stopPropagation();\n return false;\n }\n }\n }\n\n public dragleaveMagnet(event: DragEvent) {\n this.edgeDragging.magnetActive = false;\n }\n\n public dragoverMagnet(event: DragEvent, connector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n this.dragover(event);\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: connector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n\n this.edgeDragging.magnetActive = true;\n\n this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n event.preventDefault();\n event.stopPropagation();\n return false;\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n return this.applyFunction(() => {\n this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n event.preventDefault();\n event.stopPropagation();\n return false;\n });\n }\n }\n }\n }\n\n public dragend(event: DragEvent) {\n if (this.edgeDragging.isDragging) {\n this.edgeDragging.isDragging = false;\n this.edgeDragging.dragPoint1 = null;\n this.edgeDragging.dragPoint2 = null;\n this.edgeDragging.dragLabel = null;\n event.stopPropagation();\n\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.edgeDragging.gElement.css('display', 'none');\n }\n if (this.edgeDragging.prevEdge) {\n const edge = this.edgeDragging.prevEdge;\n this.edgeDragging.prevEdge = null;\n this.applyFunction(() => {\n this.modelService.edges.putEdge(edge);\n });\n }\n }\n }\n\n public drop(event: DragEvent, targetConnector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: targetConnector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n\n if (this.isValidEdgeCallback(this.draggedEdgeSource, targetConnector)) {\n this.edgeDragging.prevEdge = null;\n this.modelService.edges._addEdge(event, this.draggedEdgeSource, targetConnector, this.edgeDragging.dragLabel);\n event.stopPropagation();\n event.preventDefault();\n return false;\n }\n }\n }\n}\n\nexport interface EdgeDragging {\n isDragging: boolean;\n shadowDragStarted: boolean;\n dragPoint1: FcCoords;\n dragPoint2: FcCoords;\n dragLabel?: string;\n prevEdge?: FcEdge;\n magnetActive?: boolean;\n gElement?: JQuery;\n pathElement?: JQuery;\n circleElement?: JQuery;\n}\n","import { FcConnector, FcEdge, FcNode } from './ngx-flowchart.models';\n\nexport class FcMouseOverService {\n\n mouseoverscope: MouseOverScope = {\n connector: null,\n edge: null,\n node: null\n };\n\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(applyFunction: (fn: (...args: any[]) => T) => T) {\n this.applyFunction = applyFunction;\n }\n\n public nodeMouseOver(event: MouseEvent, node: FcNode) {\n return this.applyFunction(() => {\n this.mouseoverscope.node = node;\n });\n }\n\n public nodeMouseOut(event: MouseEvent, node: FcNode) {\n return this.applyFunction(() => {\n this.mouseoverscope.node = null;\n });\n }\n\n public connectorMouseEnter(event: MouseEvent, connector: FcConnector) {\n return this.applyFunction(() => {\n this.mouseoverscope.connector = connector;\n });\n }\n\n public connectorMouseLeave(event: MouseEvent, connector: FcConnector) {\n return this.applyFunction(() => {\n this.mouseoverscope.connector = null;\n });\n }\n\n public edgeMouseEnter(event: MouseEvent, edge: FcEdge) {\n this.mouseoverscope.edge = edge;\n }\n\n public edgeMouseLeave(event: MouseEvent, edge: FcEdge) {\n this.mouseoverscope.edge = null;\n }\n}\n\nexport interface MouseOverScope {\n connector: FcConnector;\n edge: FcEdge;\n node: FcNode;\n}\n","const regex = /(auto|scroll)/;\n\nconst style = (node: Element, prop: string): string =>\n getComputedStyle(node, null).getPropertyValue(prop);\n\nconst scroll = (node: Element) =>\n regex.test(\n style(node, 'overflow') +\n style(node, 'overflow-y') +\n style(node, 'overflow-x'));\n\nconst scrollparent = (node: HTMLElement): HTMLElement =>\n !node || node === document.body\n ? document.body\n : scroll(node)\n ? node\n : scrollparent(node.parentNode as HTMLElement);\n\nexport default scrollparent;\n","import { FcModelService } from './model.service';\nimport { FcRectBox } from 'ngx-flowchart-dev';\nimport scrollparent from './scrollparent';\n\ninterface Rectangle {\n x1: number;\n x2: number;\n y1: number;\n y2: number;\n}\n\nexport class FcRectangleSelectService {\n\n private readonly selectRect: Rectangle = {\n x1: 0,\n x2: 0,\n y1: 0,\n y2: 0\n };\n\n private readonly modelService: FcModelService;\n private readonly selectElement: HTMLElement;\n private readonly $canvasElement: JQuery;\n private readonly $scrollParent: JQuery;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(modelService: FcModelService,\n selectElement: HTMLElement,\n applyFunction: (fn: (...args: any[]) => T) => T) {\n this.modelService = modelService;\n this.selectElement = selectElement;\n this.$canvasElement = $(this.modelService.canvasHtmlElement);\n this.$scrollParent = $(scrollparent(this.modelService.canvasHtmlElement));\n this.applyFunction = applyFunction;\n }\n\n public mousedown(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && this.selectElement.hidden) {\n this.selectElement.hidden = false;\n const offset = this.$canvasElement.offset();\n this.selectRect.x1 = Math.round(e.pageX - offset.left);\n this.selectRect.y1 = Math.round(e.pageY - offset.top);\n this.selectRect.x2 = this.selectRect.x1;\n this.selectRect.y2 = this.selectRect.y1;\n this.updateSelectRect();\n }\n }\n\n public mousemove(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && !this.selectElement.hidden) {\n const offset = this.$canvasElement.offset();\n this.selectRect.x2 = Math.round(e.pageX - offset.left);\n this.selectRect.y2 = Math.round(e.pageY - offset.top);\n this.updateScroll(offset);\n this.updateSelectRect();\n }\n }\n\n private updateScroll(offset: JQuery.Coordinates) {\n const rect = this.$scrollParent[0].getBoundingClientRect();\n const bottom = rect.bottom - offset.top;\n const right = rect.right - offset.left;\n const top = rect.top - offset.top;\n const left = rect.left - offset.left;\n if (this.selectRect.y2 - top < 25) {\n const topScroll = 25 - (this.selectRect.y2 - top);\n const scroll = this.$scrollParent.scrollTop();\n this.$scrollParent.scrollTop(scroll - topScroll);\n } else if (bottom - this.selectRect.y2 < 40) {\n const bottomScroll = 40 - (bottom - this.selectRect.y2);\n const scroll = this.$scrollParent.scrollTop();\n this.$scrollParent.scrollTop(scroll + bottomScroll);\n }\n if (this.selectRect.x2 - left < 25) {\n const leftScroll = 25 - (this.selectRect.x2 - left);\n const scroll = this.$scrollParent.scrollLeft();\n this.$scrollParent.scrollLeft(scroll - leftScroll);\n } else if (right - this.selectRect.x2 < 40) {\n const rightScroll = 40 - (right - this.selectRect.x2);\n const scroll = this.$scrollParent.scrollLeft();\n this.$scrollParent.scrollLeft(scroll + rightScroll);\n }\n }\n\n public mouseup(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && !this.selectElement.hidden) {\n const rectBox = this.selectElement.getBoundingClientRect() as FcRectBox;\n this.selectElement.hidden = true;\n this.selectObjects(rectBox);\n }\n }\n\n private updateSelectRect() {\n const x3 = Math.min(this.selectRect.x1, this.selectRect.x2);\n const x4 = Math.max(this.selectRect.x1, this.selectRect.x2);\n const y3 = Math.min(this.selectRect.y1, this.selectRect.y2);\n const y4 = Math.max(this.selectRect.y1, this.selectRect.y2);\n this.selectElement.style.left = x3 + 'px';\n this.selectElement.style.top = y3 + 'px';\n this.selectElement.style.width = x4 - x3 + 'px';\n this.selectElement.style.height = y4 - y3 + 'px';\n }\n\n private selectObjects(rectBox: FcRectBox) {\n this.applyFunction(() => {\n this.modelService.selectAllInRect(rectBox);\n });\n }\n\n}\n\n","import {\n ChangeDetectionStrategy, ChangeDetectorRef,\n Component,\n DoCheck,\n ElementRef,\n HostBinding,\n HostListener,\n Input,\n IterableDiffer,\n IterableDiffers,\n NgZone,\n OnInit\n} from '@angular/core';\nimport { FcCallbacks, FcEdge, FcModel, FcNode, FlowchartConstants, UserCallbacks, UserNodeCallbacks } from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\nimport { FcModelValidationService } from './modelvalidation.service';\nimport { FcNodeDraggingService } from './node-dragging.service';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcEdgeDraggingService } from './edge-dragging.service';\nimport { FcMouseOverService } from './mouseover.service';\nimport { FcRectangleSelectService } from './rectangleselect.service';\n\n@Component({\n selector: 'fc-canvas',\n templateUrl: './ngx-flowchart.component.html',\n styleUrls: ['./ngx-flowchart.component.scss'],\n changeDetection: ChangeDetectionStrategy.OnPush\n})\nexport class NgxFlowchartComponent implements OnInit, DoCheck {\n\n @HostBinding('attr.class')\n get canvasClass(): string {\n return FlowchartConstants.canvasClass;\n }\n\n @Input()\n model: FcModel;\n\n @Input()\n selectedObjects: any[];\n\n @Input()\n edgeStyle: string;\n\n @Input()\n userCallbacks: UserCallbacks;\n\n @Input()\n automaticResize: boolean;\n\n @Input()\n dragAnimation: string;\n\n @Input()\n nodeWidth: number;\n\n @Input()\n nodeHeight: number;\n\n @Input()\n dropTargetId: string;\n\n callbacks: FcCallbacks;\n\n userNodeCallbacks: UserNodeCallbacks;\n\n modelService: FcModelService;\n nodeDraggingService: FcNodeDraggingService;\n edgeDraggingService: FcEdgeDraggingService;\n mouseoverService: FcMouseOverService;\n rectangleSelectService: FcRectangleSelectService;\n\n arrowDefId: string;\n arrowDefIdSelected: string;\n\n flowchartConstants = FlowchartConstants;\n\n private nodesDiffer: IterableDiffer = this.differs.find([]).create((index, item) => {\n return item;\n });\n\n private edgesDiffer: IterableDiffer = this.differs.find([]).create((index, item) => {\n return item;\n });\n\n constructor(private elementRef: ElementRef,\n private differs: IterableDiffers,\n private modelValidation: FcModelValidationService,\n public edgeDrawingService: FcEdgeDrawingService,\n private cd: ChangeDetectorRef,\n private zone: NgZone) {\n this.arrowDefId = 'arrow-' + Math.random();\n this.arrowDefIdSelected = this.arrowDefId + '-selected';\n }\n\n ngOnInit() {\n if (!this.dropTargetId && this.edgeStyle !== FlowchartConstants.curvedStyle && this.edgeStyle !== FlowchartConstants.lineStyle) {\n throw new Error('edgeStyle not supported.');\n }\n this.nodeHeight = this.nodeHeight || 200;\n this.nodeWidth = this.nodeWidth || 200;\n this.dragAnimation = this.dragAnimation || FlowchartConstants.dragAnimationRepaint;\n this.userCallbacks = this.userCallbacks || {};\n this.automaticResize = this.automaticResize || false;\n\n for (const key of Object.keys(this.userCallbacks)) {\n const callback = this.userCallbacks[key];\n if (typeof callback !== 'function' && key !== 'nodeCallbacks') {\n throw new Error('All callbacks should be functions.');\n }\n }\n\n this.userNodeCallbacks = this.userCallbacks.nodeCallbacks;\n\n const element = $(this.elementRef.nativeElement);\n\n this.modelService = new FcModelService(this.modelValidation, this.model, this.cd, this.selectedObjects,\n this.userCallbacks.dropNode, this.userCallbacks.createEdge, this.userCallbacks.edgeAdded, this.userCallbacks.nodeRemoved,\n this.userCallbacks.edgeRemoved, element[0], element[0].querySelector('svg'));\n\n if (this.dropTargetId) {\n this.modelService.dropTargetId = this.dropTargetId;\n }\n\n const applyFunction = this.zone.run.bind(this.zone);\n\n this.nodeDraggingService = new FcNodeDraggingService(this.modelService, applyFunction,\n this.automaticResize, this.dragAnimation);\n\n this.edgeDraggingService = new FcEdgeDraggingService(this.modelValidation, this.edgeDrawingService, this.modelService,\n this.model, this.userCallbacks.isValidEdge || null, applyFunction,\n this.dragAnimation, this.edgeStyle);\n\n this.mouseoverService = new FcMouseOverService(applyFunction);\n\n this.rectangleSelectService = new FcRectangleSelectService(this.modelService,\n element[0].querySelector('#select-rectangle'), applyFunction);\n\n this.callbacks = {\n nodeDragstart: this.nodeDraggingService.dragstart.bind(this.nodeDraggingService),\n nodeDragend: this.nodeDraggingService.dragend.bind(this.nodeDraggingService),\n edgeDragstart: this.edgeDraggingService.dragstart.bind(this.edgeDraggingService),\n edgeDragend: this.edgeDraggingService.dragend.bind(this.edgeDraggingService),\n edgeDrop: this.edgeDraggingService.drop.bind(this.edgeDraggingService),\n edgeDragoverConnector: this.edgeDraggingService.dragoverConnector.bind(this.edgeDraggingService),\n edgeDragoverMagnet: this.edgeDraggingService.dragoverMagnet.bind(this.edgeDraggingService),\n edgeDragleaveMagnet: this.edgeDraggingService.dragleaveMagnet.bind(this.edgeDraggingService),\n nodeMouseOver: this.mouseoverService.nodeMouseOver.bind(this.mouseoverService),\n nodeMouseOut: this.mouseoverService.nodeMouseOut.bind(this.mouseoverService),\n connectorMouseEnter: this.mouseoverService.connectorMouseEnter.bind(this.mouseoverService),\n connectorMouseLeave: this.mouseoverService.connectorMouseLeave.bind(this.mouseoverService),\n nodeClicked: (event, node) => {\n this.modelService.nodes.handleClicked(node, event.ctrlKey);\n event.stopPropagation();\n event.preventDefault();\n }\n };\n this.adjustCanvasSize(true);\n }\n\n ngDoCheck(): void {\n if (this.model) {\n const nodesChange = this.nodesDiffer.diff(this.model.nodes);\n const edgesChange = this.edgesDiffer.diff(this.model.edges);\n let nodesChanged = false;\n let edgesChanged = false;\n if (nodesChange !== null) {\n nodesChange.forEachAddedItem(() => {\n nodesChanged = true;\n });\n nodesChange.forEachRemovedItem(() => {\n nodesChanged = true;\n });\n }\n if (edgesChange !== null) {\n edgesChange.forEachAddedItem(() => {\n edgesChanged = true;\n });\n edgesChange.forEachRemovedItem(() => {\n edgesChanged = true;\n });\n }\n if (nodesChanged) {\n this.adjustCanvasSize(true);\n }\n if (nodesChanged || edgesChanged) {\n this.cd.detectChanges();\n }\n }\n }\n\n getEdgeDAttribute(edge: FcEdge): string {\n return this.edgeDrawingService.getEdgeDAttribute(this.modelService.edges.sourceCoord(edge),\n this.modelService.edges.destCoord(edge), this.edgeStyle);\n }\n\n public adjustCanvasSize(fit?: boolean) {\n let maxX = 0;\n let maxY = 0;\n const element = $(this.elementRef.nativeElement);\n this.model.nodes.forEach((node) => {\n maxX = Math.max(node.x + this.nodeWidth, maxX);\n maxY = Math.max(node.y + this.nodeHeight, maxY);\n });\n let width;\n let height;\n if (fit) {\n width = maxX;\n height = maxY;\n } else {\n width = Math.max(maxX, element.prop('offsetWidth'));\n height = Math.max(maxY, element.prop('offsetHeight'));\n }\n element.css('width', width + 'px');\n element.css('height', height + 'px');\n }\n\n canvasClick(event: MouseEvent) {}\n\n edgeMouseDown(event: MouseEvent, edge: FcEdge) {\n event.stopPropagation();\n }\n\n edgeClick(event: MouseEvent, edge: FcEdge) {\n this.modelService.edges.handleEdgeMouseClick(edge, event.ctrlKey);\n event.stopPropagation();\n event.preventDefault();\n }\n\n edgeRemove(event: Event, edge: FcEdge) {\n this.modelService.edges.delete(edge);\n event.stopPropagation();\n event.preventDefault();\n }\n\n edgeEdit(event: Event, edge: FcEdge) {\n if (this.userCallbacks.edgeEdit) {\n this.userCallbacks.edgeEdit(event, edge);\n }\n }\n\n edgeDoubleClick(event: MouseEvent, edge: FcEdge) {\n if (this.userCallbacks.edgeDoubleClick) {\n this.userCallbacks.edgeDoubleClick(event, edge);\n }\n }\n\n edgeMouseOver(event: MouseEvent, edge: FcEdge) {\n if (this.userCallbacks.edgeMouseOver) {\n this.userCallbacks.edgeMouseOver(event, edge);\n }\n }\n\n edgeMouseEnter(event: MouseEvent, edge: FcEdge) {\n this.mouseoverService.edgeMouseEnter(event, edge);\n }\n\n edgeMouseLeave(event: MouseEvent, edge: FcEdge) {\n this.mouseoverService.edgeMouseLeave(event, edge);\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n this.nodeDraggingService.dragover(event);\n this.edgeDraggingService.dragover(event);\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n if (event.preventDefault) {\n event.preventDefault();\n }\n if (event.stopPropagation) {\n event.stopPropagation();\n }\n this.nodeDraggingService.drop(event);\n }\n\n @HostListener('mousedown', ['$event'])\n mousedown(event: MouseEvent) {\n this.rectangleSelectService.mousedown(event);\n }\n\n @HostListener('mousemove', ['$event'])\n mousemove(event: MouseEvent) {\n this.rectangleSelectService.mousemove(event);\n }\n\n @HostListener('mouseup', ['$event'])\n mouseup(event: MouseEvent) {\n this.rectangleSelectService.mouseup(event);\n }\n\n}\n","import { Directive, ElementRef, HostListener, Input, OnInit } from '@angular/core';\nimport { FcCallbacks, FcConnector, FlowchartConstants } from './ngx-flowchart.models';\n\n@Directive({\n // tslint:disable-next-line:directive-selector\n selector: '[fc-magnet]'\n})\nexport class FcMagnetDirective implements OnInit {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n connector: FcConnector;\n\n constructor(public elementRef: ElementRef) {\n }\n\n ngOnInit(): void {\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.magnetClass);\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n return this.callbacks.edgeDragoverMagnet(event, this.connector);\n }\n\n @HostListener('dragleave', ['$event'])\n dragleave(event: DragEvent) {\n this.callbacks.edgeDragleaveMagnet(event);\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n return this.callbacks.edgeDrop(event, this.connector);\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n this.callbacks.edgeDragend(event);\n }\n\n}\n","import { Directive, ElementRef, HostListener, Input, OnChanges, OnInit, SimpleChanges } from '@angular/core';\nimport { FcCallbacks, FcConnector, FlowchartConstants } from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\n\n@Directive({\n // tslint:disable-next-line:directive-selector\n selector: '[fc-connector]'\n})\nexport class FcConnectorDirective implements OnInit, OnChanges {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n connector: FcConnector;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n constructor(public elementRef: ElementRef) {\n }\n\n ngOnInit(): void {\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.connectorClass);\n if (this.modelservice.isEditable()) {\n element.attr('draggable', 'true');\n this.updateConnectorClass();\n }\n this.modelservice.connectors.setHtmlElement(this.connector.id, element[0]);\n }\n\n ngOnChanges(changes: SimpleChanges): void {\n let updateConnector = false;\n for (const propName of Object.keys(changes)) {\n const change = changes[propName];\n if (!change.firstChange && change.currentValue !== change.previousValue) {\n if (propName === 'mouseOverConnector') {\n updateConnector = true;\n }\n }\n }\n if (updateConnector && this.modelservice.isEditable()) {\n this.updateConnectorClass();\n }\n }\n\n private updateConnectorClass() {\n const element = $(this.elementRef.nativeElement);\n if (this.connector === this.mouseOverConnector) {\n element.addClass(FlowchartConstants.hoverClass);\n } else {\n element.removeClass(FlowchartConstants.hoverClass);\n }\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n // Skip - conflict with magnet\n /* if (this.modelservice.isEditable()) {\n return this.callbacks.edgeDragoverConnector(event, this.connector);\n }*/\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n return this.callbacks.edgeDrop(event, this.connector);\n }\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.edgeDragend(event);\n }\n }\n\n @HostListener('dragstart', ['$event'])\n dragstart(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.edgeDragstart(event, this.connector);\n }\n }\n\n @HostListener('mouseenter', ['$event'])\n mouseenter(event: MouseEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.connectorMouseEnter(event, this.connector);\n }\n }\n\n @HostListener('mouseleave', ['$event'])\n mouseleave(event: MouseEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.connectorMouseLeave(event, this.connector);\n }\n }\n\n}\n","import {\n Component,\n ComponentFactoryResolver, Directive,\n ElementRef, HostBinding,\n HostListener,\n Inject,\n Input,\n OnChanges,\n OnInit,\n SimpleChanges,\n ViewChild,\n ViewContainerRef\n} from '@angular/core';\nimport {\n FC_NODE_COMPONENT_CONFIG,\n FcCallbacks,\n FcConnector,\n FcNode,\n FcNodeComponentConfig,\n FlowchartConstants,\n UserNodeCallbacks\n} from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\n\n@Component({\n selector: 'fc-node',\n template: ' ',\n styleUrls: ['./node.component.scss']\n})\nexport class FcNodeContainerComponent implements OnInit, OnChanges {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n userNodeCallbacks: UserNodeCallbacks;\n\n @Input()\n node: FcNode;\n\n @Input()\n selected: boolean;\n\n @Input()\n edit: boolean;\n\n @Input()\n underMouse: boolean;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n dragging: boolean;\n\n @HostBinding('attr.id')\n get nodeId(): string {\n return this.node.id;\n }\n\n @HostBinding('style.top')\n get top(): string {\n return this.node.y + 'px';\n }\n\n @HostBinding('style.left')\n get left(): string {\n return this.node.x + 'px';\n }\n\n nodeComponent: FcNodeComponent;\n\n @ViewChild('nodeContent', {read: ViewContainerRef, static: true}) nodeContentContainer: ViewContainerRef;\n\n constructor(@Inject(FC_NODE_COMPONENT_CONFIG) private nodeComponentConfig: FcNodeComponentConfig,\n private elementRef: ElementRef,\n private componentFactoryResolver: ComponentFactoryResolver) {\n }\n\n ngOnInit(): void {\n if (!this.userNodeCallbacks) {\n this.userNodeCallbacks = {};\n }\n this.userNodeCallbacks.nodeEdit = this.userNodeCallbacks.nodeEdit || (() => {});\n this.userNodeCallbacks.doubleClick = this.userNodeCallbacks.doubleClick || (() => {});\n this.userNodeCallbacks.mouseDown = this.userNodeCallbacks.mouseDown || (() => {});\n this.userNodeCallbacks.mouseEnter = this.userNodeCallbacks.mouseEnter || (() => {});\n this.userNodeCallbacks.mouseLeave = this.userNodeCallbacks.mouseLeave || (() => {});\n\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.nodeClass);\n if (!this.node.readonly) {\n element.attr('draggable', 'true');\n }\n this.updateNodeClass();\n this.modelservice.nodes.setHtmlElement(this.node.id, element[0]);\n this.nodeContentContainer.clear();\n const componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType);\n const componentRef = this.nodeContentContainer.createComponent(componentFactory);\n this.nodeComponent = componentRef.instance;\n this.nodeComponent.callbacks = this.callbacks;\n this.nodeComponent.userNodeCallbacks = this.userNodeCallbacks;\n this.nodeComponent.node = this.node;\n this.nodeComponent.modelservice = this.modelservice;\n this.updateNodeComponent();\n }\n\n ngOnChanges(changes: SimpleChanges): void {\n let updateNode = false;\n for (const propName of Object.keys(changes)) {\n const change = changes[propName];\n if (!change.firstChange && change.currentValue !== change.previousValue) {\n if (['selected', 'edit', 'underMouse', 'mouseOverConnector', 'dragging'].includes(propName)) {\n updateNode = true;\n }\n }\n }\n if (updateNode) {\n this.updateNodeClass();\n this.updateNodeComponent();\n }\n }\n\n private updateNodeClass() {\n const element = $(this.elementRef.nativeElement);\n this.toggleClass(element, FlowchartConstants.selectedClass, this.selected);\n this.toggleClass(element, FlowchartConstants.editClass, this.edit);\n this.toggleClass(element, FlowchartConstants.hoverClass, this.underMouse);\n this.toggleClass(element, FlowchartConstants.draggingClass, this.dragging);\n }\n\n private updateNodeComponent() {\n this.nodeComponent.selected = this.selected;\n this.nodeComponent.edit = this.edit;\n this.nodeComponent.underMouse = this.underMouse;\n this.nodeComponent.mouseOverConnector = this.mouseOverConnector;\n this.nodeComponent.dragging = this.dragging;\n }\n\n private toggleClass(element: JQuery, clazz: string, set: boolean) {\n if (set) {\n element.addClass(clazz);\n } else {\n element.removeClass(clazz);\n }\n }\n\n @HostListener('mousedown', ['$event'])\n mousedown(event: MouseEvent) {\n event.stopPropagation();\n }\n\n @HostListener('dragstart', ['$event'])\n dragstart(event: DragEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeDragstart(event, this.node);\n }\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeDragend(event);\n }\n }\n\n @HostListener('click', ['$event'])\n click(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeClicked(event, this.node);\n }\n }\n\n @HostListener('mouseover', ['$event'])\n mouseover(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeMouseOver(event, this.node);\n }\n }\n\n @HostListener('mouseout', ['$event'])\n mouseout(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeMouseOut(event, this.node);\n }\n }\n\n}\n\nexport abstract class FcNodeComponent implements OnInit {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n userNodeCallbacks: UserNodeCallbacks;\n\n @Input()\n node: FcNode;\n\n @Input()\n selected: boolean;\n\n @Input()\n edit: boolean;\n\n @Input()\n underMouse: boolean;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n dragging: boolean;\n\n flowchartConstants = FlowchartConstants;\n\n ngOnInit(): void {\n }\n\n}\n","import { Component } from '@angular/core';\nimport { FcNodeComponent } from './node.component';\n\n@Component({\n selector: 'fc-default-node',\n templateUrl: './default-node.component.html',\n styleUrls: ['./default-node.component.scss']\n})\nexport class DefaultFcNodeComponent extends FcNodeComponent {\n\n constructor() {\n super();\n }\n\n}\n","import { NgModule } from '@angular/core';\nimport { NgxFlowchartComponent } from './ngx-flowchart.component';\nimport { FcModelValidationService } from './modelvalidation.service';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { CommonModule } from '@angular/common';\nimport { FcMagnetDirective } from './magnet.directive';\nimport { FcConnectorDirective } from './connector.directive';\nimport { FcNodeContainerComponent } from './node.component';\nimport { FC_NODE_COMPONENT_CONFIG } from './ngx-flowchart.models';\nimport { DefaultFcNodeComponent } from './default-node.component';\n\n@NgModule({\n entryComponents: [\n DefaultFcNodeComponent\n ],\n declarations: [NgxFlowchartComponent,\n FcMagnetDirective,\n FcConnectorDirective,\n FcNodeContainerComponent,\n DefaultFcNodeComponent],\n providers: [\n FcModelValidationService,\n FcEdgeDrawingService,\n {\n provide: FC_NODE_COMPONENT_CONFIG,\n useValue: {\n nodeComponentType: DefaultFcNodeComponent\n }\n }\n ],\n imports: [\n CommonModule\n ],\n exports: [NgxFlowchartComponent,\n FcMagnetDirective,\n FcConnectorDirective,\n DefaultFcNodeComponent]\n})\nexport class NgxFlowchartModule { 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\ No newline at end of file
diff --git a/dist/ngx-flowchart/fesm5/ngx-flowchart.js b/dist/ngx-flowchart/fesm5/ngx-flowchart.js
index 07e02cd..ef1f1d9 100644
--- a/dist/ngx-flowchart/fesm5/ngx-flowchart.js
+++ b/dist/ngx-flowchart/fesm5/ngx-flowchart.js
@@ -1,61 +1,4310 @@
-import { Injectable, ɵɵdefineInjectable, Component, NgModule } from '@angular/core';
+import { __extends, __values } from 'tslib';
+import { InjectionToken, Injectable, Component, ChangeDetectionStrategy, ElementRef, IterableDiffers, ChangeDetectorRef, NgZone, HostBinding, Input, HostListener, Directive, Inject, ComponentFactoryResolver, ViewChild, ViewContainerRef, NgModule } from '@angular/core';
+import { of } from 'rxjs';
+import { CommonModule } from '@angular/common';
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
-var NgxFlowchartService = /** @class */ (function () {
- function NgxFlowchartService() {
+/** @type {?} */
+var FC_NODE_COMPONENT_CONFIG = new InjectionToken('fc-node.component.config');
+/**
+ * @record
+ */
+function FcNodeComponentConfig() { }
+if (false) {
+ /** @type {?} */
+ FcNodeComponentConfig.prototype.nodeComponentType;
+}
+/** @type {?} */
+var htmlPrefix = 'fc';
+/** @type {?} */
+var leftConnectorType = 'leftConnector';
+/** @type {?} */
+var rightConnectorType = 'rightConnector';
+/** @type {?} */
+var FlowchartConstants = {
+ htmlPrefix: htmlPrefix,
+ leftConnectorType: leftConnectorType,
+ rightConnectorType: rightConnectorType,
+ curvedStyle: 'curved',
+ lineStyle: 'line',
+ dragAnimationRepaint: 'repaint',
+ dragAnimationShadow: 'shadow',
+ canvasClass: htmlPrefix + '-canvas',
+ selectedClass: htmlPrefix + '-selected',
+ editClass: htmlPrefix + '-edit',
+ activeClass: htmlPrefix + '-active',
+ hoverClass: htmlPrefix + '-hover',
+ draggingClass: htmlPrefix + '-dragging',
+ edgeClass: htmlPrefix + '-edge',
+ edgeLabelClass: htmlPrefix + '-edge-label',
+ connectorClass: htmlPrefix + '-connector',
+ magnetClass: htmlPrefix + '-magnet',
+ nodeClass: htmlPrefix + '-node',
+ nodeOverlayClass: htmlPrefix + '-node-overlay',
+ leftConnectorClass: htmlPrefix + '-' + leftConnectorType + 's',
+ rightConnectorClass: htmlPrefix + '-' + rightConnectorType + 's',
+ canvasResizeThreshold: 200,
+ canvasResizeStep: 200
+};
+/**
+ * @record
+ */
+function FcCoords() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcCoords.prototype.x;
+ /** @type {?|undefined} */
+ FcCoords.prototype.y;
+}
+/**
+ * @record
+ */
+function FcOffset() { }
+if (false) {
+ /** @type {?} */
+ FcOffset.prototype.top;
+ /** @type {?} */
+ FcOffset.prototype.left;
+}
+/**
+ * @record
+ */
+function FcRectBox() { }
+if (false) {
+ /** @type {?} */
+ FcRectBox.prototype.top;
+ /** @type {?} */
+ FcRectBox.prototype.left;
+ /** @type {?} */
+ FcRectBox.prototype.right;
+ /** @type {?} */
+ FcRectBox.prototype.bottom;
+}
+/**
+ * @record
+ */
+function FcConnector() { }
+if (false) {
+ /** @type {?} */
+ FcConnector.prototype.id;
+ /** @type {?} */
+ FcConnector.prototype.type;
+}
+/**
+ * @record
+ */
+function FcNode() { }
+if (false) {
+ /** @type {?} */
+ FcNode.prototype.id;
+ /** @type {?} */
+ FcNode.prototype.name;
+ /** @type {?} */
+ FcNode.prototype.connectors;
+ /** @type {?|undefined} */
+ FcNode.prototype.readonly;
+ /* Skipping unhandled member: [key: string]: any;*/
+}
+/**
+ * @record
+ */
+function FcEdge() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcEdge.prototype.label;
+ /** @type {?|undefined} */
+ FcEdge.prototype.source;
+ /** @type {?|undefined} */
+ FcEdge.prototype.destination;
+ /** @type {?|undefined} */
+ FcEdge.prototype.active;
+}
+/**
+ * @record
+ */
+function FcItemInfo() { }
+if (false) {
+ /** @type {?|undefined} */
+ FcItemInfo.prototype.node;
+ /** @type {?|undefined} */
+ FcItemInfo.prototype.edge;
+}
+/**
+ * @record
+ */
+function FcModel() { }
+if (false) {
+ /** @type {?} */
+ FcModel.prototype.nodes;
+ /** @type {?} */
+ FcModel.prototype.edges;
+}
+/**
+ * @record
+ */
+function UserCallbacks() { }
+if (false) {
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.dropNode;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.createEdge;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeAdded;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.nodeRemoved;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeRemoved;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeDoubleClick;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeMouseOver;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.isValidEdge;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.edgeEdit;
+ /** @type {?|undefined} */
+ UserCallbacks.prototype.nodeCallbacks;
+}
+/**
+ * @record
+ */
+function UserNodeCallbacks() { }
+if (false) {
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.nodeEdit;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.doubleClick;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseDown;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseEnter;
+ /** @type {?|undefined} */
+ UserNodeCallbacks.prototype.mouseLeave;
+}
+/**
+ * @record
+ */
+function FcCallbacks() { }
+if (false) {
+ /** @type {?} */
+ FcCallbacks.prototype.nodeDragstart;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeDragend;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragstart;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragend;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDrop;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragoverConnector;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragoverMagnet;
+ /** @type {?} */
+ FcCallbacks.prototype.edgeDragleaveMagnet;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeMouseOver;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeMouseOut;
+ /** @type {?} */
+ FcCallbacks.prototype.connectorMouseEnter;
+ /** @type {?} */
+ FcCallbacks.prototype.connectorMouseLeave;
+ /** @type {?} */
+ FcCallbacks.prototype.nodeClicked;
+}
+/**
+ * @record
+ */
+function FcAdjacentList() { }
+var ModelvalidationError = /** @class */ (function (_super) {
+ __extends(ModelvalidationError, _super);
+ function ModelvalidationError(message) {
+ return _super.call(this, message) || this;
+ }
+ return ModelvalidationError;
+}(Error));
+/**
+ * @param {?} graph
+ * @return {?}
+ */
+function fcTopSort(graph) {
+ var e_1, _a, e_2, _b;
+ /** @type {?} */
+ var adjacentList = {};
+ graph.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ adjacentList[node.id] = { incoming: 0, outgoing: [] };
+ }));
+ graph.edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var sourceNode = graph.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.id === edge.source;
+ }));
+ }))[0];
+ /** @type {?} */
+ var destinationNode = graph.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.id === edge.destination;
+ }));
+ }))[0];
+ adjacentList[sourceNode.id].outgoing.push(destinationNode.id);
+ adjacentList[destinationNode.id].incoming++;
+ }));
+ /** @type {?} */
+ var orderedNodes = [];
+ /** @type {?} */
+ var sourceNodes = [];
+ try {
+ for (var _c = __values(Object.keys(adjacentList)), _d = _c.next(); !_d.done; _d = _c.next()) {
+ var node = _d.value;
+ /** @type {?} */
+ var edges = adjacentList[node];
+ if (edges.incoming === 0) {
+ sourceNodes.push(node);
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ while (sourceNodes.length !== 0) {
+ /** @type {?} */
+ var sourceNode = sourceNodes.pop();
+ for (var i = 0; i < adjacentList[sourceNode].outgoing.length; i++) {
+ /** @type {?} */
+ var destinationNode = adjacentList[sourceNode].outgoing[i];
+ adjacentList[destinationNode].incoming--;
+ if (adjacentList[destinationNode].incoming === 0) {
+ sourceNodes.push(destinationNode);
+ }
+ adjacentList[sourceNode].outgoing.splice(i, 1);
+ i--;
+ }
+ orderedNodes.push(sourceNode);
+ }
+ /** @type {?} */
+ var hasEdges = false;
+ try {
+ for (var _e = __values(Object.keys(adjacentList)), _f = _e.next(); !_f.done; _f = _e.next()) {
+ var node = _f.value;
+ /** @type {?} */
+ var edges = adjacentList[node];
+ if (edges.incoming !== 0) {
+ hasEdges = true;
+ }
+ }
+ }
+ catch (e_2_1) { e_2 = { error: e_2_1 }; }
+ finally {
+ try {
+ if (_f && !_f.done && (_b = _e.return)) _b.call(_e);
+ }
+ finally { if (e_2) throw e_2.error; }
+ }
+ if (hasEdges) {
+ return null;
+ }
+ else {
+ return orderedNodes;
+ }
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+var FcModelService = /** @class */ (function () {
+ function FcModelService(modelValidation, model, cd, selectedObjects, dropNode, createEdge, edgeAddedCallback, nodeRemovedCallback, edgeRemovedCallback, canvasHtmlElement, svgHtmlElement) {
+ this.connectorsHtmlElements = {};
+ this.nodesHtmlElements = {};
+ this.canvasHtmlElement = null;
+ this.dragImage = null;
+ this.svgHtmlElement = null;
+ this.modelValidation = modelValidation;
+ this.model = model;
+ this.cd = cd;
+ this.canvasHtmlElement = canvasHtmlElement;
+ this.svgHtmlElement = svgHtmlElement;
+ this.modelValidation.validateModel(this.model);
+ this.selectedObjects = selectedObjects;
+ this.dropNode = dropNode || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.createEdge = createEdge || ((/**
+ * @return {?}
+ */
+ function () { return of({ label: 'label' }); }));
+ this.edgeAddedCallback = edgeAddedCallback || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.nodeRemovedCallback = nodeRemovedCallback || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.edgeRemovedCallback = edgeRemovedCallback || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.connectors = new ConnectorsModel(this);
+ this.nodes = new NodesModel(this);
+ this.edges = new EdgesModel(this);
+ }
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.detectChanges = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ setTimeout((/**
+ * @return {?}
+ */
+ function () {
+ _this.cd.detectChanges();
+ }), 0);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.selectObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ if (this.isEditable()) {
+ if (this.selectedObjects.indexOf(object) === -1) {
+ this.selectedObjects.push(object);
+ }
+ }
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.deselectObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ if (this.isEditable()) {
+ /** @type {?} */
+ var index = this.selectedObjects.indexOf(object);
+ if (index === -1) {
+ throw new Error('Tried to deselect an unselected object');
+ }
+ this.selectedObjects.splice(index, 1);
+ }
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.toggleSelectedObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ if (this.isSelectedObject(object)) {
+ this.deselectObject(object);
+ }
+ else {
+ this.selectObject(object);
+ }
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.isSelectedObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.selectedObjects.indexOf(object) !== -1;
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.selectAll = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ this.model.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ if (!node.readonly) {
+ _this.nodes.select(node);
+ }
+ }));
+ this.model.edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ _this.edges.select(edge);
+ }));
+ this.detectChanges();
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.deselectAll = /**
+ * @return {?}
+ */
+ function () {
+ this.selectedObjects.splice(0, this.selectedObjects.length);
+ this.detectChanges();
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ FcModelService.prototype.isEditObject = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.selectedObjects.length === 1 &&
+ this.selectedObjects.indexOf(object) !== -1;
+ };
+ /**
+ * @private
+ * @param {?} x
+ * @param {?} y
+ * @param {?} rectBox
+ * @return {?}
+ */
+ FcModelService.prototype.inRectBox = /**
+ * @private
+ * @param {?} x
+ * @param {?} y
+ * @param {?} rectBox
+ * @return {?}
+ */
+ function (x, y, rectBox) {
+ return x >= rectBox.left && x <= rectBox.right &&
+ y >= rectBox.top && y <= rectBox.bottom;
+ };
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ FcModelService.prototype.getItemInfoAtPoint = /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ function (x, y) {
+ return {
+ node: this.getNodeAtPoint(x, y),
+ edge: this.getEdgeAtPoint(x, y)
+ };
+ };
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ FcModelService.prototype.getNodeAtPoint = /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ function (x, y) {
+ var e_1, _a;
+ try {
+ for (var _b = __values(this.model.nodes), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var node = _c.value;
+ /** @type {?} */
+ var element = this.nodes.getHtmlElement(node.id);
+ /** @type {?} */
+ var nodeElementBox = element.getBoundingClientRect();
+ if (x >= nodeElementBox.left && x <= nodeElementBox.right
+ && y >= nodeElementBox.top && y <= nodeElementBox.bottom) {
+ return node;
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ return null;
+ };
+ /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ FcModelService.prototype.getEdgeAtPoint = /**
+ * @param {?} x
+ * @param {?} y
+ * @return {?}
+ */
+ function (x, y) {
+ /** @type {?} */
+ var element = document.elementFromPoint(x, y);
+ /** @type {?} */
+ var id = element.id;
+ /** @type {?} */
+ var edgeIndex = -1;
+ if (id) {
+ if (id.startsWith('fc-edge-path-')) {
+ edgeIndex = Number(id.substring('fc-edge-path-'.length));
+ }
+ else if (id.startsWith('fc-edge-label-')) {
+ edgeIndex = Number(id.substring('fc-edge-label-'.length));
+ }
+ }
+ if (edgeIndex > -1) {
+ return this.model.edges[edgeIndex];
+ }
+ return null;
+ };
+ /**
+ * @param {?} rectBox
+ * @return {?}
+ */
+ FcModelService.prototype.selectAllInRect = /**
+ * @param {?} rectBox
+ * @return {?}
+ */
+ function (rectBox) {
+ var _this = this;
+ this.model.nodes.forEach((/**
+ * @param {?} value
+ * @return {?}
+ */
+ function (value) {
+ /** @type {?} */
+ var element = _this.nodes.getHtmlElement(value.id);
+ /** @type {?} */
+ var nodeElementBox = element.getBoundingClientRect();
+ if (!value.readonly) {
+ /** @type {?} */
+ var x = nodeElementBox.left + nodeElementBox.width / 2;
+ /** @type {?} */
+ var y = nodeElementBox.top + nodeElementBox.height / 2;
+ if (_this.inRectBox(x, y, rectBox)) {
+ _this.nodes.select(value);
+ }
+ else {
+ if (_this.nodes.isSelected(value)) {
+ _this.nodes.deselect(value);
+ }
+ }
+ }
+ }));
+ /** @type {?} */
+ var canvasElementBox = this.canvasHtmlElement.getBoundingClientRect();
+ this.model.edges.forEach((/**
+ * @param {?} value
+ * @return {?}
+ */
+ function (value) {
+ /** @type {?} */
+ var start = _this.edges.sourceCoord(value);
+ /** @type {?} */
+ var end = _this.edges.destCoord(value);
+ /** @type {?} */
+ var x = (start.x + end.x) / 2 + canvasElementBox.left;
+ /** @type {?} */
+ var y = (start.y + end.y) / 2 + canvasElementBox.top;
+ if (_this.inRectBox(x, y, rectBox)) {
+ _this.edges.select(value);
+ }
+ else {
+ if (_this.edges.isSelected(value)) {
+ _this.edges.deselect(value);
+ }
+ }
+ }));
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.deleteSelected = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ /** @type {?} */
+ var edgesToDelete = this.edges.getSelectedEdges();
+ edgesToDelete.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ _this.edges.delete(edge);
+ }));
+ /** @type {?} */
+ var nodesToDelete = this.nodes.getSelectedNodes();
+ nodesToDelete.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ _this.nodes.delete(node);
+ }));
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.isEditable = /**
+ * @return {?}
+ */
+ function () {
+ return this.dropTargetId === undefined;
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.isDropSource = /**
+ * @return {?}
+ */
+ function () {
+ return this.dropTargetId !== undefined;
+ };
+ /**
+ * @return {?}
+ */
+ FcModelService.prototype.getDragImage = /**
+ * @return {?}
+ */
+ function () {
+ if (!this.dragImage) {
+ this.dragImage = new Image();
+ this.dragImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';
+ this.dragImage.style.visibility = 'hidden';
+ }
+ return this.dragImage;
+ };
+ /**
+ * @param {?} edgeAddedCallback
+ * @param {?} nodeRemovedCallback
+ * @param {?} edgeRemovedCallback
+ * @return {?}
+ */
+ FcModelService.prototype.registerCallbacks = /**
+ * @param {?} edgeAddedCallback
+ * @param {?} nodeRemovedCallback
+ * @param {?} edgeRemovedCallback
+ * @return {?}
+ */
+ function (edgeAddedCallback, nodeRemovedCallback, edgeRemovedCallback) {
+ this.edgeAddedCallback = edgeAddedCallback;
+ this.nodeRemovedCallback = nodeRemovedCallback;
+ this.edgeRemovedCallback = edgeRemovedCallback;
+ };
+ return FcModelService;
+}());
+if (false) {
+ /** @type {?} */
+ FcModelService.prototype.modelValidation;
+ /** @type {?} */
+ FcModelService.prototype.model;
+ /** @type {?} */
+ FcModelService.prototype.cd;
+ /** @type {?} */
+ FcModelService.prototype.selectedObjects;
+ /** @type {?} */
+ FcModelService.prototype.connectorsHtmlElements;
+ /** @type {?} */
+ FcModelService.prototype.nodesHtmlElements;
+ /** @type {?} */
+ FcModelService.prototype.canvasHtmlElement;
+ /** @type {?} */
+ FcModelService.prototype.dragImage;
+ /** @type {?} */
+ FcModelService.prototype.svgHtmlElement;
+ /** @type {?} */
+ FcModelService.prototype.dropNode;
+ /** @type {?} */
+ FcModelService.prototype.createEdge;
+ /** @type {?} */
+ FcModelService.prototype.edgeAddedCallback;
+ /** @type {?} */
+ FcModelService.prototype.nodeRemovedCallback;
+ /** @type {?} */
+ FcModelService.prototype.edgeRemovedCallback;
+ /** @type {?} */
+ FcModelService.prototype.dropTargetId;
+ /** @type {?} */
+ FcModelService.prototype.connectors;
+ /** @type {?} */
+ FcModelService.prototype.nodes;
+ /** @type {?} */
+ FcModelService.prototype.edges;
+}
+/**
+ * @record
+ */
+function HtmlElementMap() { }
+/**
+ * @abstract
+ * @template T
+ */
+var /**
+ * @abstract
+ * @template T
+ */
+AbstractFcModel = /** @class */ (function () {
+ function AbstractFcModel(modelService) {
+ this.modelService = modelService;
+ }
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.select = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ this.modelService.selectObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.deselect = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ this.modelService.deselectObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.toggleSelected = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ this.modelService.toggleSelectedObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.isSelected = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.modelService.isSelectedObject(object);
+ };
+ /**
+ * @param {?} object
+ * @return {?}
+ */
+ AbstractFcModel.prototype.isEdit = /**
+ * @param {?} object
+ * @return {?}
+ */
+ function (object) {
+ return this.modelService.isEditObject(object);
+ };
+ return AbstractFcModel;
+}());
+if (false) {
+ /** @type {?} */
+ AbstractFcModel.prototype.modelService;
+}
+var ConnectorsModel = /** @class */ (function (_super) {
+ __extends(ConnectorsModel, _super);
+ function ConnectorsModel(modelService) {
+ return _super.call(this, modelService) || this;
+ }
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getConnector = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ var e_2, _a, e_3, _b;
+ /** @type {?} */
+ var model = this.modelService.model;
+ try {
+ for (var _c = __values(model.nodes), _d = _c.next(); !_d.done; _d = _c.next()) {
+ var node = _d.value;
+ try {
+ for (var _e = (e_3 = void 0, __values(node.connectors)), _f = _e.next(); !_f.done; _f = _e.next()) {
+ var connector = _f.value;
+ if (connector.id === connectorId) {
+ return connector;
+ }
+ }
+ }
+ catch (e_3_1) { e_3 = { error: e_3_1 }; }
+ finally {
+ try {
+ if (_f && !_f.done && (_b = _e.return)) _b.call(_e);
+ }
+ finally { if (e_3) throw e_3.error; }
+ }
+ }
+ }
+ catch (e_2_1) { e_2 = { error: e_2_1 }; }
+ finally {
+ try {
+ if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
+ }
+ finally { if (e_2) throw e_2.error; }
+ }
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getHtmlElement = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ return this.modelService.connectorsHtmlElements[connectorId];
+ };
+ /**
+ * @param {?} connectorId
+ * @param {?} element
+ * @return {?}
+ */
+ ConnectorsModel.prototype.setHtmlElement = /**
+ * @param {?} connectorId
+ * @param {?} element
+ * @return {?}
+ */
+ function (connectorId, element) {
+ this.modelService.connectorsHtmlElements[connectorId] = element;
+ this.modelService.detectChanges();
+ };
+ /**
+ * @private
+ * @param {?} connectorId
+ * @param {?=} centered
+ * @return {?}
+ */
+ ConnectorsModel.prototype._getCoords = /**
+ * @private
+ * @param {?} connectorId
+ * @param {?=} centered
+ * @return {?}
+ */
+ function (connectorId, centered) {
+ /** @type {?} */
+ var element = this.getHtmlElement(connectorId);
+ /** @type {?} */
+ var canvas = this.modelService.canvasHtmlElement;
+ if (element === null || element === undefined || canvas === null) {
+ return { x: 0, y: 0 };
+ }
+ /** @type {?} */
+ var connectorElementBox = element.getBoundingClientRect();
+ /** @type {?} */
+ var canvasElementBox = canvas.getBoundingClientRect();
+ /** @type {?} */
+ var coords = {
+ x: connectorElementBox.left - canvasElementBox.left,
+ y: connectorElementBox.top - canvasElementBox.top
+ };
+ if (centered) {
+ coords = {
+ x: Math.round(coords.x + element.offsetWidth / 2),
+ y: Math.round(coords.y + element.offsetHeight / 2)
+ };
+ }
+ return coords;
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getCoords = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ return this._getCoords(connectorId, false);
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ ConnectorsModel.prototype.getCenteredCoord = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ return this._getCoords(connectorId, true);
+ };
+ return ConnectorsModel;
+}(AbstractFcModel));
+var NodesModel = /** @class */ (function (_super) {
+ __extends(NodesModel, _super);
+ function NodesModel(modelService) {
+ return _super.call(this, modelService) || this;
+ }
+ /**
+ * @param {?} node
+ * @param {?} type
+ * @return {?}
+ */
+ NodesModel.prototype.getConnectorsByType = /**
+ * @param {?} node
+ * @param {?} type
+ * @return {?}
+ */
+ function (node, type) {
+ return node.connectors.filter((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.type === type;
+ }));
+ };
+ /**
+ * @private
+ * @param {?} node
+ * @param {?} connector
+ * @return {?}
+ */
+ NodesModel.prototype._addConnector = /**
+ * @private
+ * @param {?} node
+ * @param {?} connector
+ * @return {?}
+ */
+ function (node, connector) {
+ node.connectors.push(connector);
+ try {
+ this.modelService.modelValidation.validateNode(node);
+ }
+ catch (error) {
+ node.connectors.splice(node.connectors.indexOf(connector), 1);
+ throw error;
+ }
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ NodesModel.prototype.delete = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ if (this.isSelected(node)) {
+ this.deselect(node);
+ }
+ /** @type {?} */
+ var model = this.modelService.model;
+ /** @type {?} */
+ var index = model.nodes.indexOf(node);
+ if (index === -1) {
+ if (node === undefined) {
+ throw new Error('Passed undefined');
+ }
+ throw new Error('Tried to delete not existing node');
+ }
+ /** @type {?} */
+ var connectorIds = this.getConnectorIds(node);
+ for (var i = 0; i < model.edges.length; i++) {
+ /** @type {?} */
+ var edge = model.edges[i];
+ if (connectorIds.indexOf(edge.source) !== -1 || connectorIds.indexOf(edge.destination) !== -1) {
+ this.modelService.edges.delete(edge);
+ i--;
+ }
+ }
+ model.nodes.splice(index, 1);
+ this.modelService.nodeRemovedCallback(node);
+ };
+ /**
+ * @return {?}
+ */
+ NodesModel.prototype.getSelectedNodes = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ /** @type {?} */
+ var model = this.modelService.model;
+ return model.nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return _this.modelService.nodes.isSelected(node);
+ }));
+ };
+ /**
+ * @param {?} node
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ NodesModel.prototype.handleClicked = /**
+ * @param {?} node
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ function (node, ctrlKey) {
+ if (ctrlKey) {
+ this.modelService.nodes.toggleSelected(node);
+ }
+ else {
+ this.modelService.deselectAll();
+ this.modelService.nodes.select(node);
+ }
+ };
+ /**
+ * @private
+ * @param {?} node
+ * @return {?}
+ */
+ NodesModel.prototype._addNode = /**
+ * @private
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ /** @type {?} */
+ var model = this.modelService.model;
+ try {
+ model.nodes.push(node);
+ this.modelService.modelValidation.validateNodes(model.nodes);
+ }
+ catch (error) {
+ model.nodes.splice(model.nodes.indexOf(node), 1);
+ throw error;
+ }
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ NodesModel.prototype.getConnectorIds = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return node.connectors.map((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ return connector.id;
+ }));
+ };
+ /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ NodesModel.prototype.getNodeByConnectorId = /**
+ * @param {?} connectorId
+ * @return {?}
+ */
+ function (connectorId) {
+ var e_4, _a;
+ /** @type {?} */
+ var model = this.modelService.model;
+ try {
+ for (var _b = __values(model.nodes), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var node = _c.value;
+ /** @type {?} */
+ var connectorIds = this.getConnectorIds(node);
+ if (connectorIds.indexOf(connectorId) > -1) {
+ return node;
+ }
+ }
+ }
+ catch (e_4_1) { e_4 = { error: e_4_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_4) throw e_4.error; }
+ }
+ return null;
+ };
+ /**
+ * @param {?} nodeId
+ * @return {?}
+ */
+ NodesModel.prototype.getHtmlElement = /**
+ * @param {?} nodeId
+ * @return {?}
+ */
+ function (nodeId) {
+ return this.modelService.nodesHtmlElements[nodeId];
+ };
+ /**
+ * @param {?} nodeId
+ * @param {?} element
+ * @return {?}
+ */
+ NodesModel.prototype.setHtmlElement = /**
+ * @param {?} nodeId
+ * @param {?} element
+ * @return {?}
+ */
+ function (nodeId, element) {
+ this.modelService.nodesHtmlElements[nodeId] = element;
+ this.modelService.detectChanges();
+ };
+ return NodesModel;
+}(AbstractFcModel));
+var EdgesModel = /** @class */ (function (_super) {
+ __extends(EdgesModel, _super);
+ function EdgesModel(modelService) {
+ return _super.call(this, modelService) || this;
+ }
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.ready = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var source = this.modelService.connectors.getHtmlElement(edge.source);
+ /** @type {?} */
+ var destination = this.modelService.connectors.getHtmlElement(edge.destination);
+ return source !== undefined && destination !== undefined;
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.sourceCoord = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return this.modelService.connectors.getCenteredCoord(edge.source);
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.destCoord = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return this.modelService.connectors.getCenteredCoord(edge.destination);
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.delete = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var model = this.modelService.model;
+ /** @type {?} */
+ var index = model.edges.indexOf(edge);
+ if (index === -1) {
+ throw new Error('Tried to delete not existing edge');
+ }
+ if (this.isSelected(edge)) {
+ this.deselect(edge);
+ }
+ model.edges.splice(index, 1);
+ this.modelService.edgeRemovedCallback(edge);
+ };
+ /**
+ * @return {?}
+ */
+ EdgesModel.prototype.getSelectedEdges = /**
+ * @return {?}
+ */
+ function () {
+ var _this = this;
+ /** @type {?} */
+ var model = this.modelService.model;
+ return model.edges.filter((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return _this.modelService.edges.isSelected(edge);
+ }));
+ };
+ /**
+ * @param {?} edge
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ EdgesModel.prototype.handleEdgeMouseClick = /**
+ * @param {?} edge
+ * @param {?=} ctrlKey
+ * @return {?}
+ */
+ function (edge, ctrlKey) {
+ if (ctrlKey) {
+ this.modelService.edges.toggleSelected(edge);
+ }
+ else {
+ this.modelService.deselectAll();
+ this.modelService.edges.select(edge);
+ }
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ EdgesModel.prototype.putEdge = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ /** @type {?} */
+ var model = this.modelService.model;
+ model.edges.push(edge);
+ };
+ /**
+ * @param {?} event
+ * @param {?} sourceConnector
+ * @param {?} destConnector
+ * @param {?} label
+ * @return {?}
+ */
+ EdgesModel.prototype._addEdge = /**
+ * @param {?} event
+ * @param {?} sourceConnector
+ * @param {?} destConnector
+ * @param {?} label
+ * @return {?}
+ */
+ function (event, sourceConnector, destConnector, label) {
+ var _this = this;
+ this.modelService.modelValidation.validateConnector(sourceConnector);
+ this.modelService.modelValidation.validateConnector(destConnector);
+ /** @type {?} */
+ var edge = {};
+ edge.source = sourceConnector.id;
+ edge.destination = destConnector.id;
+ edge.label = label;
+ /** @type {?} */
+ var model = this.modelService.model;
+ this.modelService.modelValidation.validateEdges(model.edges.concat([edge]), model.nodes);
+ this.modelService.createEdge(event, edge).subscribe((/**
+ * @param {?} created
+ * @return {?}
+ */
+ function (created) {
+ model.edges.push(created);
+ _this.modelService.edgeAddedCallback(created);
+ }));
+ };
+ return EdgesModel;
+}(AbstractFcModel));
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+var FcModelValidationService = /** @class */ (function () {
+ function FcModelValidationService() {
+ }
+ /**
+ * @param {?} model
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateModel = /**
+ * @param {?} model
+ * @return {?}
+ */
+ function (model) {
+ this.validateNodes(model.nodes);
+ this._validateEdges(model.edges, model.nodes);
+ return model;
+ };
+ /**
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateNodes = /**
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (nodes) {
+ var _this = this;
+ /** @type {?} */
+ var ids = [];
+ nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ _this.validateNode(node);
+ if (ids.indexOf(node.id) !== -1) {
+ throw new ModelvalidationError('Id not unique.');
+ }
+ ids.push(node.id);
+ }));
+ /** @type {?} */
+ var connectorIds = [];
+ nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ node.connectors.forEach((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ if (connectorIds.indexOf(connector.id) !== -1) {
+ throw new ModelvalidationError('Id not unique.');
+ }
+ connectorIds.push(connector.id);
+ }));
+ }));
+ return nodes;
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateNode = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ var _this = this;
+ if (node.id === undefined) {
+ throw new ModelvalidationError('Id not valid.');
+ }
+ if (typeof node.name !== 'string') {
+ throw new ModelvalidationError('Name not valid.');
+ }
+ if (typeof node.x !== 'number' || node.x < 0 || Math.round(node.x) !== node.x) {
+ throw new ModelvalidationError('Coordinates not valid.');
+ }
+ if (typeof node.y !== 'number' || node.y < 0 || Math.round(node.y) !== node.y) {
+ throw new ModelvalidationError('Coordinates not valid.');
+ }
+ if (!Array.isArray(node.connectors)) {
+ throw new ModelvalidationError('Connectors not valid.');
+ }
+ node.connectors.forEach((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ _this.validateConnector(connector);
+ }));
+ return node;
+ };
+ /**
+ * @private
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype._validateEdges = /**
+ * @private
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edges, nodes) {
+ var _this = this;
+ edges.forEach((/**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ _this._validateEdge(edge, nodes);
+ }));
+ edges.forEach((/**
+ * @param {?} edge1
+ * @param {?} index1
+ * @return {?}
+ */
+ function (edge1, index1) {
+ edges.forEach((/**
+ * @param {?} edge2
+ * @param {?} index2
+ * @return {?}
+ */
+ function (edge2, index2) {
+ if (index1 !== index2) {
+ if ((edge1.source === edge2.source && edge1.destination === edge2.destination) ||
+ (edge1.source === edge2.destination && edge1.destination === edge2.source)) {
+ throw new ModelvalidationError('Duplicated edge.');
+ }
+ }
+ }));
+ }));
+ if (fcTopSort({ nodes: nodes, edges: edges }) === null) {
+ throw new ModelvalidationError('Graph has a circle.');
+ }
+ return edges;
+ };
+ /**
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateEdges = /**
+ * @param {?} edges
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edges, nodes) {
+ this.validateNodes(nodes);
+ return this._validateEdges(edges, nodes);
+ };
+ /**
+ * @private
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype._validateEdge = /**
+ * @private
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edge, nodes) {
+ if (edge.source === undefined) {
+ throw new ModelvalidationError('Source not valid.');
+ }
+ if (edge.destination === undefined) {
+ throw new ModelvalidationError('Destination not valid.');
+ }
+ if (edge.source === edge.destination) {
+ throw new ModelvalidationError('Edge with same source and destination connectors.');
+ }
+ /** @type {?} */
+ var sourceNode = nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) { return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) { return connector.id === edge.source; })); }))[0];
+ if (sourceNode === undefined) {
+ throw new ModelvalidationError('Source not valid.');
+ }
+ /** @type {?} */
+ var destinationNode = nodes.filter((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) { return node.connectors.some((/**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) { return connector.id === edge.destination; })); }))[0];
+ if (destinationNode === undefined) {
+ throw new ModelvalidationError('Destination not valid.');
+ }
+ if (sourceNode === destinationNode) {
+ throw new ModelvalidationError('Edge with same source and destination nodes.');
+ }
+ return edge;
+ };
+ /**
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateEdge = /**
+ * @param {?} edge
+ * @param {?} nodes
+ * @return {?}
+ */
+ function (edge, nodes) {
+ this.validateNodes(nodes);
+ return this._validateEdge(edge, nodes);
+ };
+ /**
+ * @param {?} connector
+ * @return {?}
+ */
+ FcModelValidationService.prototype.validateConnector = /**
+ * @param {?} connector
+ * @return {?}
+ */
+ function (connector) {
+ if (connector.id === undefined) {
+ throw new ModelvalidationError('Id not valid.');
+ }
+ if (connector.type === undefined || connector.type === null || typeof connector.type !== 'string') {
+ throw new ModelvalidationError('Type not valid.');
+ }
+ return connector;
+ };
+ FcModelValidationService.decorators = [
+ { type: Injectable }
+ ];
+ /** @nocollapse */
+ FcModelValidationService.ctorParameters = function () { return []; };
+ return FcModelValidationService;
+}());
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+/** @type {?} */
+var nodeDropScope = {
+ dropElement: null
+};
+var FcNodeDraggingService = /** @class */ (function () {
+ function FcNodeDraggingService(modelService, applyFunction, automaticResize, dragAnimation) {
+ this.nodeDraggingScope = {
+ shadowDragStarted: false,
+ dropElement: null,
+ draggedNodes: [],
+ shadowElements: []
+ };
+ this.dragOffsets = [];
+ this.draggedElements = [];
+ this.destinationHtmlElements = [];
+ this.oldDisplayStyles = [];
+ this.modelService = modelService;
+ this.automaticResize = automaticResize;
+ this.dragAnimation = dragAnimation;
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @private
+ * @param {?} coordinate
+ * @param {?} max
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.getCoordinate = /**
+ * @private
+ * @param {?} coordinate
+ * @param {?} max
+ * @return {?}
+ */
+ function (coordinate, max) {
+ coordinate = Math.max(coordinate, 0);
+ coordinate = Math.min(coordinate, max);
+ return coordinate;
+ };
+ /**
+ * @private
+ * @param {?} x
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.getXCoordinate = /**
+ * @private
+ * @param {?} x
+ * @return {?}
+ */
+ function (x) {
+ return this.getCoordinate(x, this.modelService.canvasHtmlElement.offsetWidth);
+ };
+ /**
+ * @private
+ * @param {?} y
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.getYCoordinate = /**
+ * @private
+ * @param {?} y
+ * @return {?}
+ */
+ function (y) {
+ return this.getCoordinate(y, this.modelService.canvasHtmlElement.offsetHeight);
+ };
+ /**
+ * @private
+ * @param {?} draggedNode
+ * @param {?} nodeElement
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.resizeCanvas = /**
+ * @private
+ * @param {?} draggedNode
+ * @param {?} nodeElement
+ * @return {?}
+ */
+ function (draggedNode, nodeElement) {
+ if (this.automaticResize && !this.modelService.isDropSource()) {
+ /** @type {?} */
+ var canvasElement = this.modelService.canvasHtmlElement;
+ if (canvasElement.offsetWidth < draggedNode.x + nodeElement.offsetWidth + FlowchartConstants.canvasResizeThreshold) {
+ canvasElement.style.width = canvasElement.offsetWidth + FlowchartConstants.canvasResizeStep + 'px';
+ }
+ if (canvasElement.offsetHeight < draggedNode.y + nodeElement.offsetHeight + FlowchartConstants.canvasResizeThreshold) {
+ canvasElement.style.height = canvasElement.offsetHeight + FlowchartConstants.canvasResizeStep + 'px';
+ }
+ }
+ };
+ /**
+ * @param {?} node
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.isDraggingNode = /**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ return this.nodeDraggingScope.draggedNodes.includes(node);
+ };
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.dragstart = /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ var e_1, _a, e_2, _b;
+ if (node.readonly) {
+ return;
+ }
+ this.dragOffsets.length = 0;
+ this.draggedElements.length = 0;
+ this.nodeDraggingScope.draggedNodes.length = 0;
+ this.nodeDraggingScope.shadowElements.length = 0;
+ this.destinationHtmlElements.length = 0;
+ this.oldDisplayStyles.length = 0;
+ /** @type {?} */
+ var elements = [];
+ /** @type {?} */
+ var nodes = [];
+ if (this.modelService.nodes.isSelected(node)) {
+ /** @type {?} */
+ var selectedNodes = this.modelService.nodes.getSelectedNodes();
+ try {
+ for (var selectedNodes_1 = __values(selectedNodes), selectedNodes_1_1 = selectedNodes_1.next(); !selectedNodes_1_1.done; selectedNodes_1_1 = selectedNodes_1.next()) {
+ var selectedNode = selectedNodes_1_1.value;
+ /** @type {?} */
+ var element = $(this.modelService.nodes.getHtmlElement(selectedNode.id));
+ elements.push(element);
+ nodes.push(selectedNode);
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (selectedNodes_1_1 && !selectedNodes_1_1.done && (_a = selectedNodes_1.return)) _a.call(selectedNodes_1);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ }
+ else {
+ elements.push($((/** @type {?} */ (event.target))));
+ nodes.push(node);
+ }
+ /** @type {?} */
+ var offsetsX = [];
+ /** @type {?} */
+ var offsetsY = [];
+ try {
+ for (var elements_1 = __values(elements), elements_1_1 = elements_1.next(); !elements_1_1.done; elements_1_1 = elements_1.next()) {
+ var element = elements_1_1.value;
+ offsetsX.push(parseInt(element.css('left'), 10) - event.clientX);
+ offsetsY.push(parseInt(element.css('top'), 10) - event.clientY);
+ }
+ }
+ catch (e_2_1) { e_2 = { error: e_2_1 }; }
+ finally {
+ try {
+ if (elements_1_1 && !elements_1_1.done && (_b = elements_1.return)) _b.call(elements_1);
+ }
+ finally { if (e_2) throw e_2.error; }
+ }
+ /** @type {?} */
+ var originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ if (this.modelService.isDropSource()) {
+ if (nodeDropScope.dropElement) {
+ nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);
+ nodeDropScope.dropElement = null;
+ }
+ nodeDropScope.dropElement = (/** @type {?} */ (elements[0][0].cloneNode(true)));
+ /** @type {?} */
+ var offset = $(this.modelService.canvasHtmlElement).offset();
+ nodeDropScope.dropElement.offsetInfo = {
+ offsetX: Math.round(offsetsX[0] + offset.left),
+ offsetY: Math.round(offsetsY[0] + offset.top)
+ };
+ nodeDropScope.dropElement.style.position = 'absolute';
+ nodeDropScope.dropElement.style.pointerEvents = 'none';
+ nodeDropScope.dropElement.style.zIndex = '9999';
+ document.body.appendChild(nodeDropScope.dropElement);
+ /** @type {?} */
+ var dropNodeInfo = {
+ node: node,
+ dropTargetId: this.modelService.dropTargetId,
+ offsetX: Math.round(offsetsX[0] + offset.left),
+ offsetY: Math.round(offsetsY[0] + offset.top)
+ };
+ originalEvent.dataTransfer.setData('text', JSON.stringify(dropNodeInfo));
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ /** @type {?} */
+ var target = (/** @type {?} */ (event.target));
+ this.destinationHtmlElements.push(target);
+ this.oldDisplayStyles.push(target.style.display);
+ target.style.display = 'none';
+ this.nodeDraggingScope.shadowDragStarted = true;
+ }
+ return;
+ }
+ this.nodeDraggingScope.draggedNodes = nodes;
+ for (var i = 0; i < elements.length; i++) {
+ this.draggedElements.push(elements[i][0]);
+ this.dragOffsets.push({
+ x: offsetsX[i],
+ y: offsetsY[i]
+ });
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ for (var i = 0; i < this.draggedElements.length; i++) {
+ /** @type {?} */
+ var dragOffset = this.dragOffsets[i];
+ /** @type {?} */
+ var draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var shadowElement = $(""));
+ /** @type {?} */
+ var targetInnerNode = $(this.draggedElements[i]).children()[0];
+ shadowElement.children()[0].style.backgroundColor = targetInnerNode.style.backgroundColor;
+ this.nodeDraggingScope.shadowElements.push(shadowElement);
+ this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[i][0]);
+ }
+ }
+ originalEvent.dataTransfer.setData('text', 'Just to support firefox');
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ for (var i = 0; i < this.draggedElements.length; i++) {
+ this.destinationHtmlElements.push(this.draggedElements[i]);
+ this.oldDisplayStyles.push(this.destinationHtmlElements[i].style.display);
+ this.destinationHtmlElements[i].style.display = 'none';
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.nodeDraggingScope.shadowDragStarted = true;
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (this.modelService.isDropSource()) {
+ event.preventDefault();
+ return false;
+ }
+ /** @type {?} */
+ var dropNode = null;
+ /** @type {?} */
+ var originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ /** @type {?} */
+ var infoText = originalEvent.dataTransfer.getData('text');
+ if (infoText) {
+ /** @type {?} */
+ var dropNodeInfo = null;
+ try {
+ dropNodeInfo = JSON.parse(infoText);
+ }
+ catch (e) { }
+ if (dropNodeInfo && dropNodeInfo.dropTargetId) {
+ if (this.modelService.canvasHtmlElement.id &&
+ this.modelService.canvasHtmlElement.id === dropNodeInfo.dropTargetId) {
+ dropNode = dropNodeInfo.node;
+ /** @type {?} */
+ var offset = $(this.modelService.canvasHtmlElement).offset();
+ /** @type {?} */
+ var x = event.clientX - offset.left;
+ /** @type {?} */
+ var y = event.clientY - offset.top;
+ dropNode.x = Math.round(this.getXCoordinate(dropNodeInfo.offsetX + x));
+ dropNode.y = Math.round(this.getYCoordinate(dropNodeInfo.offsetY + y));
+ }
+ }
+ }
+ if (dropNode) {
+ this.modelService.dropNode(event, dropNode);
+ event.preventDefault();
+ return false;
+ }
+ else if (this.nodeDraggingScope.draggedNodes.length) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = _this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var dragOffset = _this.dragOffsets[i];
+ draggedNode.x = Math.round(_this.getXCoordinate(dragOffset.x + event.clientX));
+ draggedNode.y = Math.round(_this.getYCoordinate(dragOffset.y + event.clientY));
+ }
+ event.preventDefault();
+ return false;
+ }));
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (nodeDropScope.dropElement) {
+ /** @type {?} */
+ var offsetInfo = nodeDropScope.dropElement.offsetInfo;
+ nodeDropScope.dropElement.style.left = (offsetInfo.offsetX + event.clientX) + 'px';
+ nodeDropScope.dropElement.style.top = (offsetInfo.offsetY + event.clientY) + 'px';
+ if (this.nodeDraggingScope.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.destinationHtmlElements[0].style.display = _this.oldDisplayStyles[0];
+ _this.nodeDraggingScope.shadowDragStarted = false;
+ }));
+ }
+ event.preventDefault();
+ return;
+ }
+ if (this.modelService.isDropSource()) {
+ event.preventDefault();
+ return;
+ }
+ if (!this.nodeDraggingScope.draggedNodes.length) {
+ event.preventDefault();
+ return;
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = _this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var dragOffset = _this.dragOffsets[i];
+ draggedNode.x = _this.getXCoordinate(dragOffset.x + event.clientX);
+ draggedNode.y = _this.getYCoordinate(dragOffset.y + event.clientY);
+ _this.resizeCanvas(draggedNode, _this.draggedElements[i]);
+ }
+ event.preventDefault();
+ return false;
+ }));
+ }
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.nodeDraggingScope.draggedNodes.length) {
+ if (this.nodeDraggingScope.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ _this.destinationHtmlElements[i].style.display = _this.oldDisplayStyles[i];
+ }
+ _this.nodeDraggingScope.shadowDragStarted = false;
+ }));
+ }
+ for (var i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var dragOffset = this.dragOffsets[i];
+ this.nodeDraggingScope.shadowElements[i].css('left', this.getXCoordinate(dragOffset.x + event.clientX) + 'px');
+ this.nodeDraggingScope.shadowElements[i].css('top', this.getYCoordinate(dragOffset.y + event.clientY) + 'px');
+ this.resizeCanvas(draggedNode, this.draggedElements[i]);
+ }
+ event.preventDefault();
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeDraggingService.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ if (nodeDropScope.dropElement) {
+ nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);
+ nodeDropScope.dropElement = null;
+ }
+ if (_this.modelService.isDropSource()) {
+ return;
+ }
+ if (_this.nodeDraggingScope.shadowElements.length) {
+ for (var i = 0; i < _this.nodeDraggingScope.draggedNodes.length; i++) {
+ /** @type {?} */
+ var draggedNode = _this.nodeDraggingScope.draggedNodes[i];
+ /** @type {?} */
+ var shadowElement = _this.nodeDraggingScope.shadowElements[i];
+ draggedNode.x = parseInt(shadowElement.css('left').replace('px', ''), 10);
+ draggedNode.y = parseInt(shadowElement.css('top').replace('px', ''), 10);
+ _this.modelService.canvasHtmlElement.removeChild(shadowElement[0]);
+ }
+ _this.nodeDraggingScope.shadowElements.length = 0;
+ }
+ if (_this.nodeDraggingScope.draggedNodes.length) {
+ _this.nodeDraggingScope.draggedNodes.length = 0;
+ _this.draggedElements.length = 0;
+ _this.dragOffsets.length = 0;
+ }
+ }));
+ };
+ return FcNodeDraggingService;
+}());
+if (false) {
+ /** @type {?} */
+ FcNodeDraggingService.prototype.nodeDraggingScope;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.dragOffsets;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.draggedElements;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.destinationHtmlElements;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.oldDisplayStyles;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.automaticResize;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.dragAnimation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeDraggingService.prototype.applyFunction;
+}
+/**
+ * @record
+ */
+function NodeDraggingScope() { }
+if (false) {
+ /** @type {?} */
+ NodeDraggingScope.prototype.draggedNodes;
+ /** @type {?} */
+ NodeDraggingScope.prototype.shadowElements;
+ /** @type {?} */
+ NodeDraggingScope.prototype.shadowDragStarted;
+ /** @type {?} */
+ NodeDraggingScope.prototype.dropElement;
+}
+/**
+ * @record
+ */
+function NodeDropElement() { }
+if (false) {
+ /** @type {?|undefined} */
+ NodeDropElement.prototype.offsetInfo;
+}
+/**
+ * @record
+ */
+function NodeDropScope() { }
+if (false) {
+ /** @type {?} */
+ NodeDropScope.prototype.dropElement;
+}
+/**
+ * @record
+ */
+function DropNodeInfo() { }
+if (false) {
+ /** @type {?} */
+ DropNodeInfo.prototype.node;
+ /** @type {?} */
+ DropNodeInfo.prototype.dropTargetId;
+ /** @type {?} */
+ DropNodeInfo.prototype.offsetX;
+ /** @type {?} */
+ DropNodeInfo.prototype.offsetY;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+var FcEdgeDrawingService = /** @class */ (function () {
+ function FcEdgeDrawingService() {
+ }
+ /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @param {?} style
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.getEdgeDAttribute = /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @param {?} style
+ * @return {?}
+ */
+ function (pt1, pt2, style) {
+ /** @type {?} */
+ var dAddribute = "M " + pt1.x + ", " + pt1.y + " ";
+ if (style === FlowchartConstants.curvedStyle) {
+ /** @type {?} */
+ var sourceTangent = this.computeEdgeSourceTangent(pt1, pt2);
+ /** @type {?} */
+ var destinationTangent = this.computeEdgeDestinationTangent(pt1, pt2);
+ dAddribute += "C " + sourceTangent.x + ", " + sourceTangent.y + " " + (destinationTangent.x - 50) + ", " + destinationTangent.y + " " + pt2.x + ", " + pt2.y;
+ }
+ else {
+ dAddribute += "L " + pt2.x + ", " + pt2.y;
+ }
+ return dAddribute;
+ };
+ /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.getEdgeCenter = /**
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return {
+ x: (pt1.x + pt2.x) / 2,
+ y: (pt1.y + pt2.y) / 2
+ };
+ };
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.computeEdgeTangentOffset = /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return (pt2.y - pt1.y) / 2;
+ };
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.computeEdgeSourceTangent = /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return {
+ x: pt1.x,
+ y: pt1.y + this.computeEdgeTangentOffset(pt1, pt2)
+ };
+ };
+ /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ FcEdgeDrawingService.prototype.computeEdgeDestinationTangent = /**
+ * @private
+ * @param {?} pt1
+ * @param {?} pt2
+ * @return {?}
+ */
+ function (pt1, pt2) {
+ return {
+ x: pt2.x,
+ y: pt2.y - this.computeEdgeTangentOffset(pt1, pt2)
+ };
+ };
+ FcEdgeDrawingService.decorators = [
+ { type: Injectable }
+ ];
+ /** @nocollapse */
+ FcEdgeDrawingService.ctorParameters = function () { return []; };
+ return FcEdgeDrawingService;
+}());
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+var FcEdgeDraggingService = /** @class */ (function () {
+ function FcEdgeDraggingService(modelValidation, edgeDrawingService, modelService, model, isValidEdgeCallback, applyFunction, dragAnimation, edgeStyle) {
+ this.edgeDragging = {
+ isDragging: false,
+ dragPoint1: null,
+ dragPoint2: null,
+ shadowDragStarted: false
+ };
+ this.draggedEdgeSource = null;
+ this.dragOffset = {};
+ this.destinationHtmlElement = null;
+ this.oldDisplayStyle = '';
+ this.modelValidation = modelValidation;
+ this.edgeDrawingService = edgeDrawingService;
+ this.modelService = modelService;
+ this.model = model;
+ this.isValidEdgeCallback = isValidEdgeCallback || ((/**
+ * @return {?}
+ */
+ function () { return true; }));
+ this.applyFunction = applyFunction;
+ this.dragAnimation = dragAnimation;
+ this.edgeStyle = edgeStyle;
+ }
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragstart = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var e_1, _a;
+ var _this = this;
+ /** @type {?} */
+ var swapConnector;
+ /** @type {?} */
+ var dragLabel;
+ /** @type {?} */
+ var prevEdge;
+ if (connector.type === FlowchartConstants.leftConnectorType) {
+ var _loop_1 = function (edge) {
+ if (edge === connector.id) {
+ swapConnector = this_1.modelService.connectors.getConnector(edge.source);
+ dragLabel = edge.label;
+ prevEdge = edge;
+ this_1.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.modelService.edges.delete(edge);
+ }));
+ return "break";
+ }
+ };
+ var this_1 = this;
+ try {
+ for (var _b = __values(this.model.edges), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var edge = _c.value;
+ var state_1 = _loop_1(edge);
+ if (state_1 === "break")
+ break;
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ }
+ this.edgeDragging.isDragging = true;
+ if (swapConnector !== undefined) {
+ this.draggedEdgeSource = swapConnector;
+ this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(swapConnector.id);
+ this.edgeDragging.dragLabel = dragLabel;
+ this.edgeDragging.prevEdge = prevEdge;
+ }
+ else {
+ this.draggedEdgeSource = connector;
+ this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(connector.id);
+ }
+ /** @type {?} */
+ var canvas = this.modelService.canvasHtmlElement;
+ if (!canvas) {
+ throw new Error('No canvas while edgedraggingService found.');
+ }
+ this.dragOffset.x = -canvas.getBoundingClientRect().left;
+ this.dragOffset.y = -canvas.getBoundingClientRect().top;
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ /** @type {?} */
+ var originalEvent = ((/** @type {?} */ (event))).originalEvent || event;
+ originalEvent.dataTransfer.setData('Text', 'Just to support firefox');
+ if (originalEvent.dataTransfer.setDragImage) {
+ originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);
+ }
+ else {
+ this.destinationHtmlElement = (/** @type {?} */ (event.target));
+ this.oldDisplayStyle = this.destinationHtmlElement.style.display;
+ this.destinationHtmlElement.style.display = 'none';
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.shadowDragStarted = true;
+ }
+ }
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.edgeDragging.gElement === undefined) {
+ this.edgeDragging.gElement = $(document.querySelectorAll('.shadow-svg-class'));
+ this.edgeDragging.pathElement = $(document.querySelectorAll('.shadow-svg-class')).find('path');
+ this.edgeDragging.circleElement = $(document.querySelectorAll('.shadow-svg-class')).find('circle');
+ }
+ this.edgeDragging.gElement.css('display', 'block');
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ }
+ event.stopPropagation();
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (this.edgeDragging.isDragging) {
+ if (!this.edgeDragging.magnetActive && this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ if (this.destinationHtmlElement !== null) {
+ this.destinationHtmlElement.style.display = this.oldDisplayStyle;
+ }
+ if (this.edgeDragging.shadowDragStarted) {
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.edgeDragging.shadowDragStarted = false;
+ }));
+ }
+ this.edgeDragging.dragPoint2 = {
+ x: event.clientX + this.dragOffset.x,
+ y: event.clientY + this.dragOffset.y
+ };
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ if (_this.destinationHtmlElement !== null) {
+ _this.destinationHtmlElement.style.display = _this.oldDisplayStyle;
+ }
+ _this.edgeDragging.dragPoint2 = {
+ x: event.clientX + _this.dragOffset.x,
+ y: event.clientY + _this.dragOffset.y
+ };
+ }));
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragoverConnector = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ if (this.edgeDragging.isDragging) {
+ this.dragover(event);
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: connector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragleaveMagnet = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.edgeDragging.magnetActive = false;
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragoverMagnet = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var _this = this;
+ if (this.edgeDragging.isDragging) {
+ this.dragover(event);
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: connector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.magnetActive = true;
+ this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);
+ this.edgeDragging.pathElement.attr('d', this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));
+ this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);
+ this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }
+ else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.edgeDragging.dragPoint2 = _this.modelService.connectors.getCenteredCoord(connector.id);
+ event.preventDefault();
+ event.stopPropagation();
+ return false;
+ }));
+ }
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ var _this = this;
+ if (this.edgeDragging.isDragging) {
+ this.edgeDragging.isDragging = false;
+ this.edgeDragging.dragPoint1 = null;
+ this.edgeDragging.dragPoint2 = null;
+ this.edgeDragging.dragLabel = null;
+ event.stopPropagation();
+ if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {
+ this.edgeDragging.gElement.css('display', 'none');
+ }
+ if (this.edgeDragging.prevEdge) {
+ /** @type {?} */
+ var edge_1 = this.edgeDragging.prevEdge;
+ this.edgeDragging.prevEdge = null;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.modelService.edges.putEdge(edge_1);
+ }));
+ }
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} targetConnector
+ * @return {?}
+ */
+ FcEdgeDraggingService.prototype.drop = /**
+ * @param {?} event
+ * @param {?} targetConnector
+ * @return {?}
+ */
+ function (event, targetConnector) {
+ if (this.edgeDragging.isDragging) {
+ try {
+ this.modelValidation.validateEdges(this.model.edges.concat([{
+ source: this.draggedEdgeSource.id,
+ destination: targetConnector.id
+ }]), this.model.nodes);
+ }
+ catch (error) {
+ if (error instanceof ModelvalidationError) {
+ return true;
+ }
+ else {
+ throw error;
+ }
+ }
+ if (this.isValidEdgeCallback(this.draggedEdgeSource, targetConnector)) {
+ this.edgeDragging.prevEdge = null;
+ this.modelService.edges._addEdge(event, this.draggedEdgeSource, targetConnector, this.edgeDragging.dragLabel);
+ event.stopPropagation();
+ event.preventDefault();
+ return false;
+ }
+ }
+ };
+ return FcEdgeDraggingService;
+}());
+if (false) {
+ /** @type {?} */
+ FcEdgeDraggingService.prototype.edgeDragging;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.draggedEdgeSource;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.dragOffset;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.destinationHtmlElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.oldDisplayStyle;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.modelValidation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.edgeDrawingService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.model;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.isValidEdgeCallback;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.applyFunction;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.dragAnimation;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcEdgeDraggingService.prototype.edgeStyle;
+}
+/**
+ * @record
+ */
+function EdgeDragging() { }
+if (false) {
+ /** @type {?} */
+ EdgeDragging.prototype.isDragging;
+ /** @type {?} */
+ EdgeDragging.prototype.shadowDragStarted;
+ /** @type {?} */
+ EdgeDragging.prototype.dragPoint1;
+ /** @type {?} */
+ EdgeDragging.prototype.dragPoint2;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.dragLabel;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.prevEdge;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.magnetActive;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.gElement;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.pathElement;
+ /** @type {?|undefined} */
+ EdgeDragging.prototype.circleElement;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+var FcMouseOverService = /** @class */ (function () {
+ function FcMouseOverService(applyFunction) {
+ this.mouseoverscope = {
+ connector: null,
+ edge: null,
+ node: null
+ };
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ FcMouseOverService.prototype.nodeMouseOver = /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.node = node;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ FcMouseOverService.prototype.nodeMouseOut = /**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.node = null;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcMouseOverService.prototype.connectorMouseEnter = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.connector = connector;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ FcMouseOverService.prototype.connectorMouseLeave = /**
+ * @param {?} event
+ * @param {?} connector
+ * @return {?}
+ */
+ function (event, connector) {
+ var _this = this;
+ return this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.mouseoverscope.connector = null;
+ }));
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ FcMouseOverService.prototype.edgeMouseEnter = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverscope.edge = edge;
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ FcMouseOverService.prototype.edgeMouseLeave = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverscope.edge = null;
+ };
+ return FcMouseOverService;
+}());
+if (false) {
+ /** @type {?} */
+ FcMouseOverService.prototype.mouseoverscope;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcMouseOverService.prototype.applyFunction;
+}
+/**
+ * @record
+ */
+function MouseOverScope() { }
+if (false) {
+ /** @type {?} */
+ MouseOverScope.prototype.connector;
+ /** @type {?} */
+ MouseOverScope.prototype.edge;
+ /** @type {?} */
+ MouseOverScope.prototype.node;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+/** @type {?} */
+var regex = /(auto|scroll)/;
+/** @type {?} */
+var style = (/**
+ * @param {?} node
+ * @param {?} prop
+ * @return {?}
+ */
+function (node, prop) {
+ return getComputedStyle(node, null).getPropertyValue(prop);
+});
+var ɵ0 = style;
+/** @type {?} */
+var scroll = (/**
+ * @param {?} node
+ * @return {?}
+ */
+function (node) {
+ return regex.test(style(node, 'overflow') +
+ style(node, 'overflow-y') +
+ style(node, 'overflow-x'));
+});
+var ɵ1 = scroll;
+/** @type {?} */
+var scrollparent = (/**
+ * @param {?} node
+ * @return {?}
+ */
+function (node) {
+ return !node || node === document.body
+ ? document.body
+ : scroll(node)
+ ? node
+ : scrollparent((/** @type {?} */ (node.parentNode)));
+});
+var ɵ2 = scrollparent;
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+/**
+ * @record
+ */
+function Rectangle() { }
+if (false) {
+ /** @type {?} */
+ Rectangle.prototype.x1;
+ /** @type {?} */
+ Rectangle.prototype.x2;
+ /** @type {?} */
+ Rectangle.prototype.y1;
+ /** @type {?} */
+ Rectangle.prototype.y2;
+}
+var FcRectangleSelectService = /** @class */ (function () {
+ function FcRectangleSelectService(modelService, selectElement, applyFunction) {
+ this.selectRect = {
+ x1: 0,
+ x2: 0,
+ y1: 0,
+ y2: 0
+ };
+ this.modelService = modelService;
+ this.selectElement = selectElement;
+ this.$canvasElement = $(this.modelService.canvasHtmlElement);
+ this.$scrollParent = $(scrollparent(this.modelService.canvasHtmlElement));
+ this.applyFunction = applyFunction;
+ }
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.mousedown = /**
+ * @param {?} e
+ * @return {?}
+ */
+ function (e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && this.selectElement.hidden) {
+ this.selectElement.hidden = false;
+ /** @type {?} */
+ var offset = this.$canvasElement.offset();
+ this.selectRect.x1 = Math.round(e.pageX - offset.left);
+ this.selectRect.y1 = Math.round(e.pageY - offset.top);
+ this.selectRect.x2 = this.selectRect.x1;
+ this.selectRect.y2 = this.selectRect.y1;
+ this.updateSelectRect();
+ }
+ };
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.mousemove = /**
+ * @param {?} e
+ * @return {?}
+ */
+ function (e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && !this.selectElement.hidden) {
+ /** @type {?} */
+ var offset = this.$canvasElement.offset();
+ this.selectRect.x2 = Math.round(e.pageX - offset.left);
+ this.selectRect.y2 = Math.round(e.pageY - offset.top);
+ this.updateScroll(offset);
+ this.updateSelectRect();
+ }
+ };
+ /**
+ * @private
+ * @param {?} offset
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.updateScroll = /**
+ * @private
+ * @param {?} offset
+ * @return {?}
+ */
+ function (offset) {
+ /** @type {?} */
+ var rect = this.$scrollParent[0].getBoundingClientRect();
+ /** @type {?} */
+ var bottom = rect.bottom - offset.top;
+ /** @type {?} */
+ var right = rect.right - offset.left;
+ /** @type {?} */
+ var top = rect.top - offset.top;
+ /** @type {?} */
+ var left = rect.left - offset.left;
+ if (this.selectRect.y2 - top < 25) {
+ /** @type {?} */
+ var topScroll = 25 - (this.selectRect.y2 - top);
+ /** @type {?} */
+ var scroll_1 = this.$scrollParent.scrollTop();
+ this.$scrollParent.scrollTop(scroll_1 - topScroll);
+ }
+ else if (bottom - this.selectRect.y2 < 40) {
+ /** @type {?} */
+ var bottomScroll = 40 - (bottom - this.selectRect.y2);
+ /** @type {?} */
+ var scroll_2 = this.$scrollParent.scrollTop();
+ this.$scrollParent.scrollTop(scroll_2 + bottomScroll);
+ }
+ if (this.selectRect.x2 - left < 25) {
+ /** @type {?} */
+ var leftScroll = 25 - (this.selectRect.x2 - left);
+ /** @type {?} */
+ var scroll_3 = this.$scrollParent.scrollLeft();
+ this.$scrollParent.scrollLeft(scroll_3 - leftScroll);
+ }
+ else if (right - this.selectRect.x2 < 40) {
+ /** @type {?} */
+ var rightScroll = 40 - (right - this.selectRect.x2);
+ /** @type {?} */
+ var scroll_4 = this.$scrollParent.scrollLeft();
+ this.$scrollParent.scrollLeft(scroll_4 + rightScroll);
+ }
+ };
+ /**
+ * @param {?} e
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.mouseup = /**
+ * @param {?} e
+ * @return {?}
+ */
+ function (e) {
+ if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0
+ && !this.selectElement.hidden) {
+ /** @type {?} */
+ var rectBox = (/** @type {?} */ (this.selectElement.getBoundingClientRect()));
+ this.selectElement.hidden = true;
+ this.selectObjects(rectBox);
+ }
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.updateSelectRect = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var x3 = Math.min(this.selectRect.x1, this.selectRect.x2);
+ /** @type {?} */
+ var x4 = Math.max(this.selectRect.x1, this.selectRect.x2);
+ /** @type {?} */
+ var y3 = Math.min(this.selectRect.y1, this.selectRect.y2);
+ /** @type {?} */
+ var y4 = Math.max(this.selectRect.y1, this.selectRect.y2);
+ this.selectElement.style.left = x3 + 'px';
+ this.selectElement.style.top = y3 + 'px';
+ this.selectElement.style.width = x4 - x3 + 'px';
+ this.selectElement.style.height = y4 - y3 + 'px';
+ };
+ /**
+ * @private
+ * @param {?} rectBox
+ * @return {?}
+ */
+ FcRectangleSelectService.prototype.selectObjects = /**
+ * @private
+ * @param {?} rectBox
+ * @return {?}
+ */
+ function (rectBox) {
+ var _this = this;
+ this.applyFunction((/**
+ * @return {?}
+ */
+ function () {
+ _this.modelService.selectAllInRect(rectBox);
+ }));
+ };
+ return FcRectangleSelectService;
+}());
+if (false) {
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.selectRect;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.modelService;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.selectElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.$canvasElement;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.$scrollParent;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcRectangleSelectService.prototype.applyFunction;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+var NgxFlowchartComponent = /** @class */ (function () {
+ function NgxFlowchartComponent(elementRef, differs, modelValidation, edgeDrawingService, cd, zone) {
+ this.elementRef = elementRef;
+ this.differs = differs;
+ this.modelValidation = modelValidation;
+ this.edgeDrawingService = edgeDrawingService;
+ this.cd = cd;
+ this.zone = zone;
+ this.flowchartConstants = FlowchartConstants;
+ this.nodesDiffer = this.differs.find([]).create((/**
+ * @param {?} index
+ * @param {?} item
+ * @return {?}
+ */
+ function (index, item) {
+ return item;
+ }));
+ this.edgesDiffer = this.differs.find([]).create((/**
+ * @param {?} index
+ * @param {?} item
+ * @return {?}
+ */
+ function (index, item) {
+ return item;
+ }));
+ this.arrowDefId = 'arrow-' + Math.random();
+ this.arrowDefIdSelected = this.arrowDefId + '-selected';
+ }
+ Object.defineProperty(NgxFlowchartComponent.prototype, "canvasClass", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return FlowchartConstants.canvasClass;
+ },
+ enumerable: true,
+ configurable: true
+ });
+ /**
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ var e_1, _a;
+ var _this = this;
+ if (!this.dropTargetId && this.edgeStyle !== FlowchartConstants.curvedStyle && this.edgeStyle !== FlowchartConstants.lineStyle) {
+ throw new Error('edgeStyle not supported.');
+ }
+ this.nodeHeight = this.nodeHeight || 200;
+ this.nodeWidth = this.nodeWidth || 200;
+ this.dragAnimation = this.dragAnimation || FlowchartConstants.dragAnimationRepaint;
+ this.userCallbacks = this.userCallbacks || {};
+ this.automaticResize = this.automaticResize || false;
+ try {
+ for (var _b = __values(Object.keys(this.userCallbacks)), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var key = _c.value;
+ /** @type {?} */
+ var callback = this.userCallbacks[key];
+ if (typeof callback !== 'function' && key !== 'nodeCallbacks') {
+ throw new Error('All callbacks should be functions.');
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ this.userNodeCallbacks = this.userCallbacks.nodeCallbacks;
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ this.modelService = new FcModelService(this.modelValidation, this.model, this.cd, this.selectedObjects, this.userCallbacks.dropNode, this.userCallbacks.createEdge, this.userCallbacks.edgeAdded, this.userCallbacks.nodeRemoved, this.userCallbacks.edgeRemoved, element[0], element[0].querySelector('svg'));
+ if (this.dropTargetId) {
+ this.modelService.dropTargetId = this.dropTargetId;
+ }
+ /** @type {?} */
+ var applyFunction = this.zone.run.bind(this.zone);
+ this.nodeDraggingService = new FcNodeDraggingService(this.modelService, applyFunction, this.automaticResize, this.dragAnimation);
+ this.edgeDraggingService = new FcEdgeDraggingService(this.modelValidation, this.edgeDrawingService, this.modelService, this.model, this.userCallbacks.isValidEdge || null, applyFunction, this.dragAnimation, this.edgeStyle);
+ this.mouseoverService = new FcMouseOverService(applyFunction);
+ this.rectangleSelectService = new FcRectangleSelectService(this.modelService, element[0].querySelector('#select-rectangle'), applyFunction);
+ this.callbacks = {
+ nodeDragstart: this.nodeDraggingService.dragstart.bind(this.nodeDraggingService),
+ nodeDragend: this.nodeDraggingService.dragend.bind(this.nodeDraggingService),
+ edgeDragstart: this.edgeDraggingService.dragstart.bind(this.edgeDraggingService),
+ edgeDragend: this.edgeDraggingService.dragend.bind(this.edgeDraggingService),
+ edgeDrop: this.edgeDraggingService.drop.bind(this.edgeDraggingService),
+ edgeDragoverConnector: this.edgeDraggingService.dragoverConnector.bind(this.edgeDraggingService),
+ edgeDragoverMagnet: this.edgeDraggingService.dragoverMagnet.bind(this.edgeDraggingService),
+ edgeDragleaveMagnet: this.edgeDraggingService.dragleaveMagnet.bind(this.edgeDraggingService),
+ nodeMouseOver: this.mouseoverService.nodeMouseOver.bind(this.mouseoverService),
+ nodeMouseOut: this.mouseoverService.nodeMouseOut.bind(this.mouseoverService),
+ connectorMouseEnter: this.mouseoverService.connectorMouseEnter.bind(this.mouseoverService),
+ connectorMouseLeave: this.mouseoverService.connectorMouseLeave.bind(this.mouseoverService),
+ nodeClicked: (/**
+ * @param {?} event
+ * @param {?} node
+ * @return {?}
+ */
+ function (event, node) {
+ _this.modelService.nodes.handleClicked(node, event.ctrlKey);
+ event.stopPropagation();
+ event.preventDefault();
+ })
+ };
+ this.adjustCanvasSize(true);
+ };
+ /**
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.ngDoCheck = /**
+ * @return {?}
+ */
+ function () {
+ if (this.model) {
+ /** @type {?} */
+ var nodesChange = this.nodesDiffer.diff(this.model.nodes);
+ /** @type {?} */
+ var edgesChange = this.edgesDiffer.diff(this.model.edges);
+ /** @type {?} */
+ var nodesChanged_1 = false;
+ /** @type {?} */
+ var edgesChanged_1 = false;
+ if (nodesChange !== null) {
+ nodesChange.forEachAddedItem((/**
+ * @return {?}
+ */
+ function () {
+ nodesChanged_1 = true;
+ }));
+ nodesChange.forEachRemovedItem((/**
+ * @return {?}
+ */
+ function () {
+ nodesChanged_1 = true;
+ }));
+ }
+ if (edgesChange !== null) {
+ edgesChange.forEachAddedItem((/**
+ * @return {?}
+ */
+ function () {
+ edgesChanged_1 = true;
+ }));
+ edgesChange.forEachRemovedItem((/**
+ * @return {?}
+ */
+ function () {
+ edgesChanged_1 = true;
+ }));
+ }
+ if (nodesChanged_1) {
+ this.adjustCanvasSize(true);
+ }
+ if (nodesChanged_1 || edgesChanged_1) {
+ this.cd.detectChanges();
+ }
+ }
+ };
+ /**
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.getEdgeDAttribute = /**
+ * @param {?} edge
+ * @return {?}
+ */
+ function (edge) {
+ return this.edgeDrawingService.getEdgeDAttribute(this.modelService.edges.sourceCoord(edge), this.modelService.edges.destCoord(edge), this.edgeStyle);
+ };
+ /**
+ * @param {?=} fit
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.adjustCanvasSize = /**
+ * @param {?=} fit
+ * @return {?}
+ */
+ function (fit) {
+ var _this = this;
+ /** @type {?} */
+ var maxX = 0;
+ /** @type {?} */
+ var maxY = 0;
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ this.model.nodes.forEach((/**
+ * @param {?} node
+ * @return {?}
+ */
+ function (node) {
+ maxX = Math.max(node.x + _this.nodeWidth, maxX);
+ maxY = Math.max(node.y + _this.nodeHeight, maxY);
+ }));
+ /** @type {?} */
+ var width;
+ /** @type {?} */
+ var height;
+ if (fit) {
+ width = maxX;
+ height = maxY;
+ }
+ else {
+ width = Math.max(maxX, element.prop('offsetWidth'));
+ height = Math.max(maxY, element.prop('offsetHeight'));
+ }
+ element.css('width', width + 'px');
+ element.css('height', height + 'px');
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.canvasClick = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) { };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseDown = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ event.stopPropagation();
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeClick = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.modelService.edges.handleEdgeMouseClick(edge, event.ctrlKey);
+ event.stopPropagation();
+ event.preventDefault();
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeRemove = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.modelService.edges.delete(edge);
+ event.stopPropagation();
+ event.preventDefault();
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeEdit = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ if (this.userCallbacks.edgeEdit) {
+ this.userCallbacks.edgeEdit(event, edge);
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeDoubleClick = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ if (this.userCallbacks.edgeDoubleClick) {
+ this.userCallbacks.edgeDoubleClick(event, edge);
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseOver = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ if (this.userCallbacks.edgeMouseOver) {
+ this.userCallbacks.edgeMouseOver(event, edge);
+ }
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseEnter = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverService.edgeMouseEnter(event, edge);
+ };
+ /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.edgeMouseLeave = /**
+ * @param {?} event
+ * @param {?} edge
+ * @return {?}
+ */
+ function (event, edge) {
+ this.mouseoverService.edgeMouseLeave(event, edge);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.nodeDraggingService.dragover(event);
+ this.edgeDraggingService.dragover(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (event.preventDefault) {
+ event.preventDefault();
+ }
+ if (event.stopPropagation) {
+ event.stopPropagation();
+ }
+ this.nodeDraggingService.drop(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.mousedown = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.rectangleSelectService.mousedown(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.mousemove = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.rectangleSelectService.mousemove(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ NgxFlowchartComponent.prototype.mouseup = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.rectangleSelectService.mouseup(event);
+ };
+ NgxFlowchartComponent.decorators = [
+ { type: Component, args: [{
+ selector: 'fc-canvas',
+ template: "\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\n \n \n \n
\n
\n {{edgeDraggingService.edgeDragging.dragLabel}} \n
\n
\n
\n
\n
\n \n
\n
\n ×\n
\n
{{edge.label}} \n
\n
\n
\n
\n
\n",
+ changeDetection: ChangeDetectionStrategy.OnPush,
+ styles: [":host{display:block;position:relative;width:100%;height:100%;background-size:25px 25px;background-image:linear-gradient(to right,rgba(0,0,0,.1) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.1) 1px,transparent 1px);background-color:transparent;min-width:100%;min-height:100%;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-canvas-container{display:block;position:relative;width:100%;height:100%}:host .fc-canvas-container svg.fc-canvas-svg{display:block;position:relative;width:100%;height:100%}:host .fc-edge{stroke:gray;stroke-width:4;transition:stroke-width .2s;fill:transparent}:host .fc-edge.fc-hover{stroke:gray;stroke-width:6;fill:transparent}:host .fc-edge.fc-selected{stroke:red;stroke-width:4;fill:transparent}:host .fc-edge.fc-active{-webkit-animation:3s linear infinite dash;animation:3s linear infinite dash;stroke-dasharray:20}:host .fc-edge.fc-dragging{pointer-events:none}:host .fc-arrow-marker polygon{stroke:gray;fill:gray}:host .fc-arrow-marker-selected polygon{stroke:red;fill:red}:host .edge-endpoint{fill:gray}:host .fc-noselect{-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}:host .fc-edge-label{position:absolute;opacity:.8;transition:transform .2s;transform-origin:bottom left;margin:0 auto}:host .fc-edge-label .fc-edge-label-text{position:absolute;transform:translate(-50%,-50%);white-space:nowrap;text-align:center;font-size:16px}:host .fc-edge-label .fc-edge-label-text span{cursor:default;border:solid #ff3d00;border-radius:10px;color:#ff3d00;background-color:#fff;padding:3px 5px}:host .fc-edge-label .fc-nodeedit{top:-30px;right:14px}:host .fc-edge-label .fc-nodedelete{top:-30px;right:-13px}:host .fc-edge-label.fc-hover{transform:scale(1.25)}:host .fc-edge-label.fc-edit .fc-edge-label-text span,:host .fc-edge-label.fc-selected .fc-edge-label-text span{border:solid red;color:#fff;font-weight:600;background-color:red}:host .fc-select-rectangle{border:2px dashed #5262ff;position:absolute;background:rgba(20,125,255,.1);z-index:2}@-webkit-keyframes dash{from{stroke-dashoffset:500}}@keyframes dash{from{stroke-dashoffset:500}}:host ::ng-deep .fc-nodeedit{display:none;font-size:15px}:host ::ng-deep .fc-nodedelete{display:none;font-size:18px}:host ::ng-deep .fc-edit .fc-nodedelete,:host ::ng-deep .fc-edit .fc-nodeedit{display:block;position:absolute;border:2px solid #eee;border-radius:50%;font-weight:600;line-height:20px;height:20px;padding-top:2px;width:22px;background:#494949;color:#fff;text-align:center;vertical-align:bottom;cursor:pointer}:host ::ng-deep .fc-edit .fc-nodeedit{top:-24px;right:16px}:host ::ng-deep .fc-edit .fc-nodedelete{top:-24px;right:-13px}"]
+ }] }
+ ];
+ /** @nocollapse */
+ NgxFlowchartComponent.ctorParameters = function () { return [
+ { type: ElementRef },
+ { type: IterableDiffers },
+ { type: FcModelValidationService },
+ { type: FcEdgeDrawingService },
+ { type: ChangeDetectorRef },
+ { type: NgZone }
+ ]; };
+ NgxFlowchartComponent.propDecorators = {
+ canvasClass: [{ type: HostBinding, args: ['attr.class',] }],
+ model: [{ type: Input }],
+ selectedObjects: [{ type: Input }],
+ edgeStyle: [{ type: Input }],
+ userCallbacks: [{ type: Input }],
+ automaticResize: [{ type: Input }],
+ dragAnimation: [{ type: Input }],
+ nodeWidth: [{ type: Input }],
+ nodeHeight: [{ type: Input }],
+ dropTargetId: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ mousedown: [{ type: HostListener, args: ['mousedown', ['$event'],] }],
+ mousemove: [{ type: HostListener, args: ['mousemove', ['$event'],] }],
+ mouseup: [{ type: HostListener, args: ['mouseup', ['$event'],] }]
+ };
+ return NgxFlowchartComponent;
+}());
+if (false) {
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.model;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.selectedObjects;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeStyle;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.userCallbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.automaticResize;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.dragAnimation;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeWidth;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeHeight;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.dropTargetId;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.callbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.modelService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.nodeDraggingService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeDraggingService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.mouseoverService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.rectangleSelectService;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.arrowDefId;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.arrowDefIdSelected;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.flowchartConstants;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.nodesDiffer;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.edgesDiffer;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.elementRef;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.differs;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.modelValidation;
+ /** @type {?} */
+ NgxFlowchartComponent.prototype.edgeDrawingService;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.cd;
+ /**
+ * @type {?}
+ * @private
+ */
+ NgxFlowchartComponent.prototype.zone;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+var FcMagnetDirective = /** @class */ (function () {
+ function FcMagnetDirective(elementRef) {
+ this.elementRef = elementRef;
}
- NgxFlowchartService.decorators = [
- { type: Injectable, args: [{
- providedIn: 'root'
+ /**
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.magnetClass);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ return this.callbacks.edgeDragoverMagnet(event, this.connector);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.dragleave = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.callbacks.edgeDragleaveMagnet(event);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ return this.callbacks.edgeDrop(event, this.connector);
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcMagnetDirective.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ this.callbacks.edgeDragend(event);
+ };
+ FcMagnetDirective.decorators = [
+ { type: Directive, args: [{
+ // tslint:disable-next-line:directive-selector
+ selector: '[fc-magnet]'
},] }
];
/** @nocollapse */
- NgxFlowchartService.ctorParameters = function () { return []; };
- /** @nocollapse */ NgxFlowchartService.ngInjectableDef = ɵɵdefineInjectable({ factory: function NgxFlowchartService_Factory() { return new NgxFlowchartService(); }, token: NgxFlowchartService, providedIn: "root" });
- return NgxFlowchartService;
+ FcMagnetDirective.ctorParameters = function () { return [
+ { type: ElementRef }
+ ]; };
+ FcMagnetDirective.propDecorators = {
+ callbacks: [{ type: Input }],
+ connector: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ dragleave: [{ type: HostListener, args: ['dragleave', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }]
+ };
+ return FcMagnetDirective;
}());
+if (false) {
+ /** @type {?} */
+ FcMagnetDirective.prototype.callbacks;
+ /** @type {?} */
+ FcMagnetDirective.prototype.connector;
+ /** @type {?} */
+ FcMagnetDirective.prototype.elementRef;
+}
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
-var NgxFlowchartComponent = /** @class */ (function () {
- function NgxFlowchartComponent() {
+var FcConnectorDirective = /** @class */ (function () {
+ function FcConnectorDirective(elementRef) {
+ this.elementRef = elementRef;
}
/**
* @return {?}
*/
- NgxFlowchartComponent.prototype.ngOnInit = /**
+ FcConnectorDirective.prototype.ngOnInit = /**
* @return {?}
*/
function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.connectorClass);
+ if (this.modelservice.isEditable()) {
+ element.attr('draggable', 'true');
+ this.updateConnectorClass();
+ }
+ this.modelservice.connectors.setHtmlElement(this.connector.id, element[0]);
};
- NgxFlowchartComponent.decorators = [
+ /**
+ * @param {?} changes
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.ngOnChanges = /**
+ * @param {?} changes
+ * @return {?}
+ */
+ function (changes) {
+ var e_1, _a;
+ /** @type {?} */
+ var updateConnector = false;
+ try {
+ for (var _b = __values(Object.keys(changes)), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var propName = _c.value;
+ /** @type {?} */
+ var change = changes[propName];
+ if (!change.firstChange && change.currentValue !== change.previousValue) {
+ if (propName === 'mouseOverConnector') {
+ updateConnector = true;
+ }
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ if (updateConnector && this.modelservice.isEditable()) {
+ this.updateConnectorClass();
+ }
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.updateConnectorClass = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ if (this.connector === this.mouseOverConnector) {
+ element.addClass(FlowchartConstants.hoverClass);
+ }
+ else {
+ element.removeClass(FlowchartConstants.hoverClass);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.dragover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ // Skip - conflict with magnet
+ /* if (this.modelservice.isEditable()) {
+ return this.callbacks.edgeDragoverConnector(event, this.connector);
+ }*/
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.drop = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ return this.callbacks.edgeDrop(event, this.connector);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.edgeDragend(event);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.dragstart = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.edgeDragstart(event, this.connector);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.mouseenter = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.connectorMouseEnter(event, this.connector);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcConnectorDirective.prototype.mouseleave = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (this.modelservice.isEditable()) {
+ this.callbacks.connectorMouseLeave(event, this.connector);
+ }
+ };
+ FcConnectorDirective.decorators = [
+ { type: Directive, args: [{
+ // tslint:disable-next-line:directive-selector
+ selector: '[fc-connector]'
+ },] }
+ ];
+ /** @nocollapse */
+ FcConnectorDirective.ctorParameters = function () { return [
+ { type: ElementRef }
+ ]; };
+ FcConnectorDirective.propDecorators = {
+ callbacks: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ connector: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ dragover: [{ type: HostListener, args: ['dragover', ['$event'],] }],
+ drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }],
+ dragstart: [{ type: HostListener, args: ['dragstart', ['$event'],] }],
+ mouseenter: [{ type: HostListener, args: ['mouseenter', ['$event'],] }],
+ mouseleave: [{ type: HostListener, args: ['mouseleave', ['$event'],] }]
+ };
+ return FcConnectorDirective;
+}());
+if (false) {
+ /** @type {?} */
+ FcConnectorDirective.prototype.callbacks;
+ /** @type {?} */
+ FcConnectorDirective.prototype.modelservice;
+ /** @type {?} */
+ FcConnectorDirective.prototype.connector;
+ /** @type {?} */
+ FcConnectorDirective.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcConnectorDirective.prototype.elementRef;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+var FcNodeContainerComponent = /** @class */ (function () {
+ function FcNodeContainerComponent(nodeComponentConfig, elementRef, componentFactoryResolver) {
+ this.nodeComponentConfig = nodeComponentConfig;
+ this.elementRef = elementRef;
+ this.componentFactoryResolver = componentFactoryResolver;
+ }
+ Object.defineProperty(FcNodeContainerComponent.prototype, "nodeId", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return this.node.id;
+ },
+ enumerable: true,
+ configurable: true
+ });
+ Object.defineProperty(FcNodeContainerComponent.prototype, "top", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return this.node.y + 'px';
+ },
+ enumerable: true,
+ configurable: true
+ });
+ Object.defineProperty(FcNodeContainerComponent.prototype, "left", {
+ get: /**
+ * @return {?}
+ */
+ function () {
+ return this.node.x + 'px';
+ },
+ enumerable: true,
+ configurable: true
+ });
+ /**
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ if (!this.userNodeCallbacks) {
+ this.userNodeCallbacks = {};
+ }
+ this.userNodeCallbacks.nodeEdit = this.userNodeCallbacks.nodeEdit || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.doubleClick = this.userNodeCallbacks.doubleClick || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.mouseDown = this.userNodeCallbacks.mouseDown || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.mouseEnter = this.userNodeCallbacks.mouseEnter || ((/**
+ * @return {?}
+ */
+ function () { }));
+ this.userNodeCallbacks.mouseLeave = this.userNodeCallbacks.mouseLeave || ((/**
+ * @return {?}
+ */
+ function () { }));
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ element.addClass(FlowchartConstants.nodeClass);
+ if (!this.node.readonly) {
+ element.attr('draggable', 'true');
+ }
+ this.updateNodeClass();
+ this.modelservice.nodes.setHtmlElement(this.node.id, element[0]);
+ this.nodeContentContainer.clear();
+ /** @type {?} */
+ var componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType);
+ /** @type {?} */
+ var componentRef = this.nodeContentContainer.createComponent(componentFactory);
+ this.nodeComponent = componentRef.instance;
+ this.nodeComponent.callbacks = this.callbacks;
+ this.nodeComponent.userNodeCallbacks = this.userNodeCallbacks;
+ this.nodeComponent.node = this.node;
+ this.nodeComponent.modelservice = this.modelservice;
+ this.updateNodeComponent();
+ };
+ /**
+ * @param {?} changes
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.ngOnChanges = /**
+ * @param {?} changes
+ * @return {?}
+ */
+ function (changes) {
+ var e_1, _a;
+ /** @type {?} */
+ var updateNode = false;
+ try {
+ for (var _b = __values(Object.keys(changes)), _c = _b.next(); !_c.done; _c = _b.next()) {
+ var propName = _c.value;
+ /** @type {?} */
+ var change = changes[propName];
+ if (!change.firstChange && change.currentValue !== change.previousValue) {
+ if (['selected', 'edit', 'underMouse', 'mouseOverConnector', 'dragging'].includes(propName)) {
+ updateNode = true;
+ }
+ }
+ }
+ }
+ catch (e_1_1) { e_1 = { error: e_1_1 }; }
+ finally {
+ try {
+ if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
+ }
+ finally { if (e_1) throw e_1.error; }
+ }
+ if (updateNode) {
+ this.updateNodeClass();
+ this.updateNodeComponent();
+ }
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.updateNodeClass = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ /** @type {?} */
+ var element = $(this.elementRef.nativeElement);
+ this.toggleClass(element, FlowchartConstants.selectedClass, this.selected);
+ this.toggleClass(element, FlowchartConstants.editClass, this.edit);
+ this.toggleClass(element, FlowchartConstants.hoverClass, this.underMouse);
+ this.toggleClass(element, FlowchartConstants.draggingClass, this.dragging);
+ };
+ /**
+ * @private
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.updateNodeComponent = /**
+ * @private
+ * @return {?}
+ */
+ function () {
+ this.nodeComponent.selected = this.selected;
+ this.nodeComponent.edit = this.edit;
+ this.nodeComponent.underMouse = this.underMouse;
+ this.nodeComponent.mouseOverConnector = this.mouseOverConnector;
+ this.nodeComponent.dragging = this.dragging;
+ };
+ /**
+ * @private
+ * @param {?} element
+ * @param {?} clazz
+ * @param {?} set
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.toggleClass = /**
+ * @private
+ * @param {?} element
+ * @param {?} clazz
+ * @param {?} set
+ * @return {?}
+ */
+ function (element, clazz, set) {
+ if (set) {
+ element.addClass(clazz);
+ }
+ else {
+ element.removeClass(clazz);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.mousedown = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ event.stopPropagation();
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.dragstart = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeDragstart(event, this.node);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.dragend = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeDragend(event);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.click = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeClicked(event, this.node);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.mouseover = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeMouseOver(event, this.node);
+ }
+ };
+ /**
+ * @param {?} event
+ * @return {?}
+ */
+ FcNodeContainerComponent.prototype.mouseout = /**
+ * @param {?} event
+ * @return {?}
+ */
+ function (event) {
+ if (!this.node.readonly) {
+ this.callbacks.nodeMouseOut(event, this.node);
+ }
+ };
+ FcNodeContainerComponent.decorators = [
{ type: Component, args: [{
- selector: 'fc-canvas',
- template: "\n \n ngx-flowchart works!\n
\n "
+ selector: 'fc-node',
+ template: ' ',
+ styles: [":host{position:absolute;z-index:1}:host.fc-dragging{z-index:10}:host ::ng-deep .fc-leftConnectors,:host ::ng-deep .fc-rightConnectors{position:absolute;top:0;height:100%;display:flex;flex-direction:column;z-index:-10}:host ::ng-deep .fc-leftConnectors .fc-magnet,:host ::ng-deep .fc-rightConnectors .fc-magnet{align-items:center}:host ::ng-deep .fc-leftConnectors{left:-20px}:host ::ng-deep .fc-rightConnectors{right:-20px}:host ::ng-deep .fc-magnet{display:flex;flex-grow:1;height:60px;justify-content:center}:host ::ng-deep .fc-connector{width:18px;height:18px;border:10px solid transparent;-moz-background-clip:padding;-webkit-background-clip:padding;background-clip:padding-box;border-radius:50%;background-color:#f7a789;color:#fff;pointer-events:all}:host ::ng-deep .fc-connector.fc-hover{background-color:#000}"]
}] }
];
/** @nocollapse */
- NgxFlowchartComponent.ctorParameters = function () { return []; };
- return NgxFlowchartComponent;
+ FcNodeContainerComponent.ctorParameters = function () { return [
+ { type: undefined, decorators: [{ type: Inject, args: [FC_NODE_COMPONENT_CONFIG,] }] },
+ { type: ElementRef },
+ { type: ComponentFactoryResolver }
+ ]; };
+ FcNodeContainerComponent.propDecorators = {
+ callbacks: [{ type: Input }],
+ userNodeCallbacks: [{ type: Input }],
+ node: [{ type: Input }],
+ selected: [{ type: Input }],
+ edit: [{ type: Input }],
+ underMouse: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ dragging: [{ type: Input }],
+ nodeId: [{ type: HostBinding, args: ['attr.id',] }],
+ top: [{ type: HostBinding, args: ['style.top',] }],
+ left: [{ type: HostBinding, args: ['style.left',] }],
+ nodeContentContainer: [{ type: ViewChild, args: ['nodeContent', { read: ViewContainerRef, static: true },] }],
+ mousedown: [{ type: HostListener, args: ['mousedown', ['$event'],] }],
+ dragstart: [{ type: HostListener, args: ['dragstart', ['$event'],] }],
+ dragend: [{ type: HostListener, args: ['dragend', ['$event'],] }],
+ click: [{ type: HostListener, args: ['click', ['$event'],] }],
+ mouseover: [{ type: HostListener, args: ['mouseover', ['$event'],] }],
+ mouseout: [{ type: HostListener, args: ['mouseout', ['$event'],] }]
+ };
+ return FcNodeContainerComponent;
+}());
+if (false) {
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.callbacks;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.node;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.selected;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.edit;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.underMouse;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.modelservice;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.dragging;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.nodeComponent;
+ /** @type {?} */
+ FcNodeContainerComponent.prototype.nodeContentContainer;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.nodeComponentConfig;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.elementRef;
+ /**
+ * @type {?}
+ * @private
+ */
+ FcNodeContainerComponent.prototype.componentFactoryResolver;
+}
+/**
+ * @abstract
+ */
+var FcNodeComponent = /** @class */ (function () {
+ function FcNodeComponent() {
+ this.flowchartConstants = FlowchartConstants;
+ }
+ /**
+ * @return {?}
+ */
+ FcNodeComponent.prototype.ngOnInit = /**
+ * @return {?}
+ */
+ function () {
+ };
+ FcNodeComponent.propDecorators = {
+ callbacks: [{ type: Input }],
+ userNodeCallbacks: [{ type: Input }],
+ node: [{ type: Input }],
+ selected: [{ type: Input }],
+ edit: [{ type: Input }],
+ underMouse: [{ type: Input }],
+ mouseOverConnector: [{ type: Input }],
+ modelservice: [{ type: Input }],
+ dragging: [{ type: Input }]
+ };
+ return FcNodeComponent;
}());
+if (false) {
+ /** @type {?} */
+ FcNodeComponent.prototype.callbacks;
+ /** @type {?} */
+ FcNodeComponent.prototype.userNodeCallbacks;
+ /** @type {?} */
+ FcNodeComponent.prototype.node;
+ /** @type {?} */
+ FcNodeComponent.prototype.selected;
+ /** @type {?} */
+ FcNodeComponent.prototype.edit;
+ /** @type {?} */
+ FcNodeComponent.prototype.underMouse;
+ /** @type {?} */
+ FcNodeComponent.prototype.mouseOverConnector;
+ /** @type {?} */
+ FcNodeComponent.prototype.modelservice;
+ /** @type {?} */
+ FcNodeComponent.prototype.dragging;
+ /** @type {?} */
+ FcNodeComponent.prototype.flowchartConstants;
+}
+
+/**
+ * @fileoverview added by tsickle
+ * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
+ */
+var DefaultFcNodeComponent = /** @class */ (function (_super) {
+ __extends(DefaultFcNodeComponent, _super);
+ function DefaultFcNodeComponent() {
+ return _super.call(this) || this;
+ }
+ DefaultFcNodeComponent.decorators = [
+ { type: Component, args: [{
+ selector: 'fc-default-node',
+ template: "\n
\n
\n
{{ node.name }}
\n\n
\n
\n
\n
\n \n
\n
\n ×\n
\n
\n",
+ styles: [":host .fc-node-overlay{position:absolute;pointer-events:none;left:0;top:0;right:0;bottom:0;background-color:#000;opacity:0}:host :host-context(.fc-hover) .fc-node-overlay{opacity:.25;transition:opacity .2s}:host :host-context(.fc-selected) .fc-node-overlay{opacity:.25}:host .innerNode{display:flex;justify-content:center;align-items:center;min-width:100px;border-radius:5px;background-color:#f15b26;color:#fff;font-size:16px;pointer-events:none}:host .innerNode p{padding:0 15px;text-align:center}"]
+ }] }
+ ];
+ /** @nocollapse */
+ DefaultFcNodeComponent.ctorParameters = function () { return []; };
+ return DefaultFcNodeComponent;
+}(FcNodeComponent));
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
+var ɵ0$1 = {
+ nodeComponentType: DefaultFcNodeComponent
+};
var NgxFlowchartModule = /** @class */ (function () {
function NgxFlowchartModule() {
}
NgxFlowchartModule.decorators = [
{ type: NgModule, args: [{
- declarations: [NgxFlowchartComponent],
- imports: [],
- exports: [NgxFlowchartComponent]
+ entryComponents: [
+ DefaultFcNodeComponent
+ ],
+ declarations: [NgxFlowchartComponent,
+ FcMagnetDirective,
+ FcConnectorDirective,
+ FcNodeContainerComponent,
+ DefaultFcNodeComponent],
+ providers: [
+ FcModelValidationService,
+ FcEdgeDrawingService,
+ {
+ provide: FC_NODE_COMPONENT_CONFIG,
+ useValue: ɵ0$1
+ }
+ ],
+ imports: [
+ CommonModule
+ ],
+ exports: [NgxFlowchartComponent,
+ FcMagnetDirective,
+ FcConnectorDirective,
+ DefaultFcNodeComponent]
},] }
];
return NgxFlowchartModule;
@@ -71,5 +4320,5 @@ var NgxFlowchartModule = /** @class */ (function () {
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
-export { NgxFlowchartComponent, NgxFlowchartModule, NgxFlowchartService };
+export { FC_NODE_COMPONENT_CONFIG, FcNodeComponent, FlowchartConstants, ModelvalidationError, NgxFlowchartComponent, NgxFlowchartModule, fcTopSort, FcNodeContainerComponent as ɵa, FcModelValidationService as ɵb, FcEdgeDrawingService as ɵc, DefaultFcNodeComponent as ɵd, FcMagnetDirective as ɵe, FcConnectorDirective as ɵf };
//# sourceMappingURL=ngx-flowchart.js.map
diff --git a/dist/ngx-flowchart/fesm5/ngx-flowchart.js.map b/dist/ngx-flowchart/fesm5/ngx-flowchart.js.map
index ea43183..c44a298 100644
--- a/dist/ngx-flowchart/fesm5/ngx-flowchart.js.map
+++ b/dist/ngx-flowchart/fesm5/ngx-flowchart.js.map
@@ -1 +1 @@
-{"version":3,"file":"ngx-flowchart.js","sources":["ng://ngx-flowchart/lib/ngx-flowchart.service.ts","ng://ngx-flowchart/lib/ngx-flowchart.component.ts","ng://ngx-flowchart/lib/ngx-flowchart.module.ts"],"sourcesContent":["import { Injectable } from '@angular/core';\n\n@Injectable({\n providedIn: 'root'\n})\nexport class NgxFlowchartService {\n\n constructor() { }\n}\n","import { Component, OnInit } from '@angular/core';\n\n@Component({\n selector: 'fc-canvas',\n template: `\n \n ngx-flowchart works!\n
\n `,\n styles: []\n})\nexport class NgxFlowchartComponent implements OnInit {\n\n constructor() { }\n\n ngOnInit() {\n }\n\n}\n","import { NgModule } from '@angular/core';\nimport { NgxFlowchartComponent } from './ngx-flowchart.component';\n\n@NgModule({\n declarations: [NgxFlowchartComponent],\n imports: [\n ],\n exports: [NgxFlowchartComponent]\n})\nexport class NgxFlowchartModule { }\n"],"names":[],"mappings":";;;;;;AAAA;IAOE;KAAiB;;gBALlB,UAAU,SAAC;oBACV,UAAU,EAAE,MAAM;iBACnB;;;;;8BAJD;CAEA;;;;;;ACFA;IAaE;KAAiB;;;;IAEjB,wCAAQ;;;IAAR;KACC;;gBAdF,SAAS,SAAC;oBACT,QAAQ,EAAE,WAAW;oBACrB,QAAQ,EAAE,qDAIT;iBAEF;;;;IAQD,4BAAC;CAhBD;;;;;;ACFA;IAGA;KAMmC;;gBANlC,QAAQ,SAAC;oBACR,YAAY,EAAE,CAAC,qBAAqB,CAAC;oBACrC,OAAO,EAAE,EACR;oBACD,OAAO,EAAE,CAAC,qBAAqB,CAAC;iBACjC;;IACiC,yBAAC;CANnC;;;;;;;;;;;;;;"}
\ No newline at end of file
+{"version":3,"file":"ngx-flowchart.js","sources":["ng://ngx-flowchart/lib/ngx-flowchart.models.ts","ng://ngx-flowchart/lib/model.service.ts","ng://ngx-flowchart/lib/modelvalidation.service.ts","ng://ngx-flowchart/lib/node-dragging.service.ts","ng://ngx-flowchart/lib/edge-drawing.service.ts","ng://ngx-flowchart/lib/edge-dragging.service.ts","ng://ngx-flowchart/lib/mouseover.service.ts","ng://ngx-flowchart/lib/scrollparent.ts","ng://ngx-flowchart/lib/rectangleselect.service.ts","ng://ngx-flowchart/lib/ngx-flowchart.component.ts","ng://ngx-flowchart/lib/magnet.directive.ts","ng://ngx-flowchart/lib/connector.directive.ts","ng://ngx-flowchart/lib/node.component.ts","ng://ngx-flowchart/lib/default-node.component.ts","ng://ngx-flowchart/lib/ngx-flowchart.module.ts"],"sourcesContent":["import { Observable } from 'rxjs';\nimport { InjectionToken, Type } from '@angular/core';\nimport { FcNodeComponent } from './node.component';\n\nexport const FC_NODE_COMPONENT_CONFIG = new InjectionToken('fc-node.component.config');\n\nexport interface FcNodeComponentConfig {\n nodeComponentType: Type;\n}\n\nconst htmlPrefix = 'fc';\nconst leftConnectorType = 'leftConnector';\nconst rightConnectorType = 'rightConnector';\n\nexport const FlowchartConstants = {\n htmlPrefix,\n leftConnectorType,\n rightConnectorType,\n curvedStyle: 'curved',\n lineStyle: 'line',\n dragAnimationRepaint: 'repaint',\n dragAnimationShadow: 'shadow',\n canvasClass: htmlPrefix + '-canvas',\n selectedClass: htmlPrefix + '-selected',\n editClass: htmlPrefix + '-edit',\n activeClass: htmlPrefix + '-active',\n hoverClass: htmlPrefix + '-hover',\n draggingClass: htmlPrefix + '-dragging',\n edgeClass: htmlPrefix + '-edge',\n edgeLabelClass: htmlPrefix + '-edge-label',\n connectorClass: htmlPrefix + '-connector',\n magnetClass: htmlPrefix + '-magnet',\n nodeClass: htmlPrefix + '-node',\n nodeOverlayClass: htmlPrefix + '-node-overlay',\n leftConnectorClass: htmlPrefix + '-' + leftConnectorType + 's',\n rightConnectorClass: htmlPrefix + '-' + rightConnectorType + 's',\n canvasResizeThreshold: 200,\n canvasResizeStep: 200\n};\n\n\nexport interface FcCoords {\n x?: number;\n y?: number;\n}\n\nexport interface FcOffset {\n top: number;\n left: number;\n}\n\nexport interface FcRectBox {\n top: number;\n left: number;\n right: number;\n bottom: number;\n}\n\nexport interface FcConnector {\n id: string;\n type: string;\n}\n\nexport interface FcNode extends FcCoords {\n id: string;\n name: string;\n connectors: Array;\n readonly?: boolean;\n [key: string]: any;\n}\n\nexport interface FcEdge {\n label?: string;\n source?: string;\n destination?: string;\n active?: boolean;\n}\n\nexport interface FcItemInfo {\n node?: FcNode;\n edge?: FcEdge;\n}\n\nexport interface FcModel {\n nodes: Array;\n edges: Array;\n}\n\nexport interface UserCallbacks {\n dropNode?: (event: Event, node: FcNode) => void;\n createEdge?: (event: Event, edge: FcEdge) => Observable;\n edgeAdded?: (edge: FcEdge) => void;\n nodeRemoved?: (node: FcNode) => void;\n edgeRemoved?: (edge: FcEdge) => void;\n edgeDoubleClick?: (event: MouseEvent, edge: FcEdge) => void;\n edgeMouseOver?: (event: MouseEvent, edge: FcEdge) => void;\n isValidEdge?: (source: FcConnector, destination: FcConnector) => boolean;\n edgeEdit?: (event: Event, edge: FcEdge) => void;\n nodeCallbacks?: UserNodeCallbacks;\n}\n\nexport interface UserNodeCallbacks {\n nodeEdit?: (event: MouseEvent, node: FcNode) => void;\n doubleClick?: (event: MouseEvent, node: FcNode) => void;\n mouseDown?: (event: MouseEvent, node: FcNode) => void;\n mouseEnter?: (event: MouseEvent, node: FcNode) => void;\n mouseLeave?: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcCallbacks {\n nodeDragstart: (event: DragEvent, node: FcNode) => void;\n nodeDragend: (event: DragEvent) => void;\n edgeDragstart: (event: DragEvent, connector: FcConnector) => void;\n edgeDragend: (event: DragEvent) => void;\n edgeDrop: (event: DragEvent, targetConnector: FcConnector) => boolean;\n edgeDragoverConnector: (event: DragEvent, connector: FcConnector) => boolean;\n edgeDragoverMagnet: (event: DragEvent, connector: FcConnector) => boolean;\n edgeDragleaveMagnet: (event: DragEvent) => void;\n nodeMouseOver: (event: MouseEvent, node: FcNode) => void;\n nodeMouseOut: (event: MouseEvent, node: FcNode) => void;\n connectorMouseEnter: (event: MouseEvent, connector: FcConnector) => void;\n connectorMouseLeave: (event: MouseEvent, connector: FcConnector) => void;\n nodeClicked: (event: MouseEvent, node: FcNode) => void;\n}\n\nexport interface FcAdjacentList {\n [id: string]: {\n incoming: number;\n outgoing: Array;\n };\n}\n\nexport class ModelvalidationError extends Error {\n constructor(message: string) {\n super(message);\n }\n}\n\nexport function fcTopSort(graph: FcModel): Array | null {\n const adjacentList: FcAdjacentList = {};\n graph.nodes.forEach((node) => {\n adjacentList[node.id] = {incoming: 0, outgoing: []};\n });\n graph.edges.forEach((edge) => {\n const sourceNode = graph.nodes.filter((node) => {\n return node.connectors.some((connector) => {\n return connector.id === edge.source;\n });\n })[0];\n const destinationNode = graph.nodes.filter((node) => {\n return node.connectors.some((connector) => {\n return connector.id === edge.destination;\n });\n })[0];\n adjacentList[sourceNode.id].outgoing.push(destinationNode.id);\n adjacentList[destinationNode.id].incoming++;\n });\n const orderedNodes: string[] = [];\n const sourceNodes: string[] = [];\n for (const node of Object.keys(adjacentList)) {\n const edges = adjacentList[node];\n if (edges.incoming === 0) {\n sourceNodes.push(node);\n }\n }\n while (sourceNodes.length !== 0) {\n const sourceNode = sourceNodes.pop();\n for (let i = 0; i < adjacentList[sourceNode].outgoing.length; i++) {\n const destinationNode = adjacentList[sourceNode].outgoing[i];\n adjacentList[destinationNode].incoming--;\n if (adjacentList[destinationNode].incoming === 0) {\n sourceNodes.push(destinationNode);\n }\n adjacentList[sourceNode].outgoing.splice(i, 1);\n i--;\n }\n orderedNodes.push(sourceNode);\n }\n let hasEdges = false;\n for (const node of Object.keys(adjacentList)) {\n const edges = adjacentList[node];\n if (edges.incoming !== 0) {\n hasEdges = true;\n }\n }\n if (hasEdges) {\n return null;\n } else {\n return orderedNodes;\n }\n}\n","import { FcModelValidationService } from './modelvalidation.service';\nimport { FcConnector, FcCoords, FcEdge, FcItemInfo, FcModel, FcNode, FcRectBox } from './ngx-flowchart.models';\nimport { Observable, of } from 'rxjs';\nimport { ChangeDetectorRef } from '@angular/core';\n\nexport class FcModelService {\n\n modelValidation: FcModelValidationService;\n model: FcModel;\n cd: ChangeDetectorRef;\n selectedObjects: any[];\n\n connectorsHtmlElements: HtmlElementMap = {};\n nodesHtmlElements: HtmlElementMap = {};\n canvasHtmlElement: HTMLElement = null;\n dragImage: HTMLImageElement = null;\n svgHtmlElement: SVGElement = null;\n\n dropNode: (event: Event, node: FcNode) => void;\n createEdge: (event: Event, edge: FcEdge) => Observable;\n edgeAddedCallback: (edge: FcEdge) => void;\n nodeRemovedCallback: (node: FcNode) => void;\n edgeRemovedCallback: (edge: FcEdge) => void;\n\n dropTargetId: string;\n\n connectors: ConnectorsModel;\n nodes: NodesModel;\n edges: EdgesModel;\n\n constructor(modelValidation: FcModelValidationService,\n model: FcModel,\n cd: ChangeDetectorRef,\n selectedObjects: any[],\n dropNode: (event: Event, node: FcNode) => void,\n createEdge: (event: Event, edge: FcEdge) => Observable,\n edgeAddedCallback: (edge: FcEdge) => void,\n nodeRemovedCallback: (node: FcNode) => void,\n edgeRemovedCallback: (edge: FcEdge) => void,\n canvasHtmlElement: HTMLElement,\n svgHtmlElement: SVGElement) {\n\n this.modelValidation = modelValidation;\n this.model = model;\n this.cd = cd;\n this.canvasHtmlElement = canvasHtmlElement;\n this.svgHtmlElement = svgHtmlElement;\n this.modelValidation.validateModel(this.model);\n this.selectedObjects = selectedObjects;\n\n this.dropNode = dropNode || (() => {});\n this.createEdge = createEdge || (() => of({label: 'label'}));\n this.edgeAddedCallback = edgeAddedCallback || (() => {});\n this.nodeRemovedCallback = nodeRemovedCallback || (() => {});\n this.edgeRemovedCallback = edgeRemovedCallback || (() => {});\n\n this.connectors = new ConnectorsModel(this);\n this.nodes = new NodesModel(this);\n this.edges = new EdgesModel(this);\n }\n\n public detectChanges() {\n setTimeout(() => {\n this.cd.detectChanges();\n }, 0);\n }\n\n public selectObject(object: any) {\n if (this.isEditable()) {\n if (this.selectedObjects.indexOf(object) === -1) {\n this.selectedObjects.push(object);\n }\n }\n }\n\n public deselectObject(object: any) {\n if (this.isEditable()) {\n const index = this.selectedObjects.indexOf(object);\n if (index === -1) {\n throw new Error('Tried to deselect an unselected object');\n }\n this.selectedObjects.splice(index, 1);\n }\n }\n\n public toggleSelectedObject(object: any) {\n if (this.isSelectedObject(object)) {\n this.deselectObject(object);\n } else {\n this.selectObject(object);\n }\n }\n\n public isSelectedObject(object: any): boolean {\n return this.selectedObjects.indexOf(object) !== -1;\n }\n\n public selectAll() {\n this.model.nodes.forEach(node => {\n if (!node.readonly) {\n this.nodes.select(node);\n }\n });\n this.model.edges.forEach(edge => {\n this.edges.select(edge);\n });\n this.detectChanges();\n }\n\n public deselectAll() {\n this.selectedObjects.splice(0, this.selectedObjects.length);\n this.detectChanges();\n }\n\n public isEditObject(object: any): boolean {\n return this.selectedObjects.length === 1 &&\n this.selectedObjects.indexOf(object) !== -1;\n }\n\n private inRectBox(x: number, y: number, rectBox: FcRectBox): boolean {\n return x >= rectBox.left && x <= rectBox.right &&\n y >= rectBox.top && y <= rectBox.bottom;\n }\n\n public getItemInfoAtPoint(x: number, y: number): FcItemInfo {\n return {\n node: this.getNodeAtPoint(x, y),\n edge: this.getEdgeAtPoint(x, y)\n };\n }\n\n public getNodeAtPoint(x: number, y: number): FcNode {\n for (const node of this.model.nodes) {\n const element = this.nodes.getHtmlElement(node.id);\n const nodeElementBox = element.getBoundingClientRect();\n if (x >= nodeElementBox.left && x <= nodeElementBox.right\n && y >= nodeElementBox.top && y <= nodeElementBox.bottom) {\n return node;\n }\n }\n return null;\n }\n\n public getEdgeAtPoint(x: number, y: number): FcEdge {\n const element = document.elementFromPoint(x, y);\n const id = element.id;\n let edgeIndex = -1;\n if (id) {\n if (id.startsWith('fc-edge-path-')) {\n edgeIndex = Number(id.substring('fc-edge-path-'.length));\n } else if (id.startsWith('fc-edge-label-')) {\n edgeIndex = Number(id.substring('fc-edge-label-'.length));\n }\n }\n if (edgeIndex > -1) {\n return this.model.edges[edgeIndex];\n }\n return null;\n }\n\n public selectAllInRect(rectBox: FcRectBox) {\n this.model.nodes.forEach((value) => {\n const element = this.nodes.getHtmlElement(value.id);\n const nodeElementBox = element.getBoundingClientRect();\n if (!value.readonly) {\n const x = nodeElementBox.left + nodeElementBox.width / 2;\n const y = nodeElementBox.top + nodeElementBox.height / 2;\n if (this.inRectBox(x, y, rectBox)) {\n this.nodes.select(value);\n } else {\n if (this.nodes.isSelected(value)) {\n this.nodes.deselect(value);\n }\n }\n }\n });\n const canvasElementBox = this.canvasHtmlElement.getBoundingClientRect();\n this.model.edges.forEach((value) => {\n const start = this.edges.sourceCoord(value);\n const end = this.edges.destCoord(value);\n const x = (start.x + end.x) / 2 + canvasElementBox.left;\n const y = (start.y + end.y) / 2 + canvasElementBox.top;\n if (this.inRectBox(x, y, rectBox)) {\n this.edges.select(value);\n } else {\n if (this.edges.isSelected(value)) {\n this.edges.deselect(value);\n }\n }\n });\n }\n\n public deleteSelected() {\n const edgesToDelete = this.edges.getSelectedEdges();\n edgesToDelete.forEach((edge) => {\n this.edges.delete(edge);\n });\n const nodesToDelete = this.nodes.getSelectedNodes();\n nodesToDelete.forEach((node) => {\n this.nodes.delete(node);\n });\n }\n\n public isEditable(): boolean {\n return this.dropTargetId === undefined;\n }\n\n public isDropSource(): boolean {\n return this.dropTargetId !== undefined;\n }\n\n public getDragImage(): HTMLImageElement {\n if (!this.dragImage) {\n this.dragImage = new Image();\n this.dragImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';\n this.dragImage.style.visibility = 'hidden';\n }\n return this.dragImage;\n }\n\n public registerCallbacks(edgeAddedCallback: (edge: FcEdge) => void,\n nodeRemovedCallback: (node: FcNode) => void,\n edgeRemovedCallback: (edge: FcEdge) => void) {\n this.edgeAddedCallback = edgeAddedCallback;\n this.nodeRemovedCallback = nodeRemovedCallback;\n this.edgeRemovedCallback = edgeRemovedCallback;\n }\n\n}\n\ninterface HtmlElementMap { [id: string]: HTMLElement; }\n\nabstract class AbstractFcModel {\n\n modelService: FcModelService;\n\n protected constructor(modelService: FcModelService) {\n this.modelService = modelService;\n }\n\n public select(object: T) {\n this.modelService.selectObject(object);\n }\n\n public deselect(object: T) {\n this.modelService.deselectObject(object);\n }\n\n public toggleSelected(object: T) {\n this.modelService.toggleSelectedObject(object);\n }\n\n public isSelected(object: T): boolean {\n return this.modelService.isSelectedObject(object);\n }\n\n public isEdit(object: T): boolean {\n return this.modelService.isEditObject(object);\n }\n}\n\nclass ConnectorsModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public getConnector(connectorId: string): FcConnector {\n const model = this.modelService.model;\n for (const node of model.nodes) {\n for (const connector of node.connectors) {\n if (connector.id === connectorId) {\n return connector;\n }\n }\n }\n }\n\n public getHtmlElement(connectorId: string): HTMLElement {\n return this.modelService.connectorsHtmlElements[connectorId];\n }\n\n public setHtmlElement(connectorId: string, element: HTMLElement) {\n this.modelService.connectorsHtmlElements[connectorId] = element;\n this.modelService.detectChanges();\n }\n\n private _getCoords(connectorId: string, centered?: boolean): FcCoords {\n const element = this.getHtmlElement(connectorId);\n const canvas = this.modelService.canvasHtmlElement;\n if (element === null || element === undefined || canvas === null) {\n return {x: 0, y: 0};\n }\n const connectorElementBox = element.getBoundingClientRect();\n const canvasElementBox = canvas.getBoundingClientRect();\n let coords: FcCoords = {\n x: connectorElementBox.left - canvasElementBox.left,\n y: connectorElementBox.top - canvasElementBox.top\n };\n if (centered) {\n coords = {\n x: Math.round(coords.x + element.offsetWidth / 2),\n y: Math.round(coords.y + element.offsetHeight / 2)\n };\n }\n return coords;\n }\n\n public getCoords(connectorId: string): FcCoords {\n return this._getCoords(connectorId, false);\n }\n\n public getCenteredCoord(connectorId: string): FcCoords {\n return this._getCoords(connectorId, true);\n }\n}\n\nclass NodesModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public getConnectorsByType(node: FcNode, type: string): Array {\n return node.connectors.filter((connector) => {\n return connector.type === type;\n });\n }\n\n private _addConnector(node: FcNode, connector: FcConnector) {\n node.connectors.push(connector);\n try {\n this.modelService.modelValidation.validateNode(node);\n } catch (error) {\n node.connectors.splice(node.connectors.indexOf(connector), 1);\n throw error;\n }\n }\n\n public delete(node: FcNode) {\n if (this.isSelected(node)) {\n this.deselect(node);\n }\n const model = this.modelService.model;\n const index = model.nodes.indexOf(node);\n if (index === -1) {\n if (node === undefined) {\n throw new Error('Passed undefined');\n }\n throw new Error('Tried to delete not existing node');\n }\n const connectorIds = this.getConnectorIds(node);\n for (let i = 0; i < model.edges.length; i++) {\n const edge = model.edges[i];\n if (connectorIds.indexOf(edge.source) !== -1 || connectorIds.indexOf(edge.destination) !== -1) {\n this.modelService.edges.delete(edge);\n i--;\n }\n }\n model.nodes.splice(index, 1);\n this.modelService.nodeRemovedCallback(node);\n }\n\n public getSelectedNodes(): Array {\n const model = this.modelService.model;\n return model.nodes.filter((node) => {\n return this.modelService.nodes.isSelected(node);\n });\n }\n\n public handleClicked(node: FcNode, ctrlKey?: boolean) {\n if (ctrlKey) {\n this.modelService.nodes.toggleSelected(node);\n } else {\n this.modelService.deselectAll();\n this.modelService.nodes.select(node);\n }\n }\n\n private _addNode(node: FcNode) {\n const model = this.modelService.model;\n try {\n model.nodes.push(node);\n this.modelService.modelValidation.validateNodes(model.nodes);\n } catch (error) {\n model.nodes.splice(model.nodes.indexOf(node), 1);\n throw error;\n }\n }\n\n public getConnectorIds(node: FcNode): Array {\n return node.connectors.map((connector) => {\n return connector.id;\n });\n }\n\n public getNodeByConnectorId(connectorId: string): FcNode {\n const model = this.modelService.model;\n for (const node of model.nodes) {\n const connectorIds = this.getConnectorIds(node);\n if (connectorIds.indexOf(connectorId) > -1) {\n return node;\n }\n }\n return null;\n }\n\n public getHtmlElement(nodeId: string): HTMLElement {\n return this.modelService.nodesHtmlElements[nodeId];\n }\n\n public setHtmlElement(nodeId: string, element: HTMLElement) {\n this.modelService.nodesHtmlElements[nodeId] = element;\n this.modelService.detectChanges();\n }\n\n}\n\nclass EdgesModel extends AbstractFcModel {\n\n constructor(modelService: FcModelService) {\n super(modelService);\n }\n\n public ready(edge: FcEdge): boolean {\n const source = this.modelService.connectors.getHtmlElement(edge.source);\n const destination = this.modelService.connectors.getHtmlElement(edge.destination);\n return source !== undefined && destination !== undefined;\n }\n\n public sourceCoord(edge: FcEdge): FcCoords {\n return this.modelService.connectors.getCenteredCoord(edge.source);\n }\n\n public destCoord(edge: FcEdge): FcCoords {\n return this.modelService.connectors.getCenteredCoord(edge.destination);\n }\n\n public delete(edge: FcEdge) {\n const model = this.modelService.model;\n const index = model.edges.indexOf(edge);\n if (index === -1) {\n throw new Error('Tried to delete not existing edge');\n }\n if (this.isSelected(edge)) {\n this.deselect(edge);\n }\n model.edges.splice(index, 1);\n this.modelService.edgeRemovedCallback(edge);\n }\n\n public getSelectedEdges(): Array {\n const model = this.modelService.model;\n return model.edges.filter((edge) => {\n return this.modelService.edges.isSelected(edge);\n });\n }\n\n public handleEdgeMouseClick(edge: FcEdge, ctrlKey?: boolean) {\n if (ctrlKey) {\n this.modelService.edges.toggleSelected(edge);\n } else {\n this.modelService.deselectAll();\n this.modelService.edges.select(edge);\n }\n }\n\n public putEdge(edge: FcEdge) {\n const model = this.modelService.model;\n model.edges.push(edge);\n }\n\n public _addEdge(event: Event, sourceConnector: FcConnector, destConnector: FcConnector, label: string) {\n this.modelService.modelValidation.validateConnector(sourceConnector);\n this.modelService.modelValidation.validateConnector(destConnector);\n const edge: FcEdge = {};\n edge.source = sourceConnector.id;\n edge.destination = destConnector.id;\n edge.label = label;\n const model = this.modelService.model;\n this.modelService.modelValidation.validateEdges(model.edges.concat([edge]), model.nodes);\n this.modelService.createEdge(event, edge).subscribe(\n (created) => {\n model.edges.push(created);\n this.modelService.edgeAddedCallback(created);\n }\n );\n }\n}\n","import { Injectable } from '@angular/core';\nimport { FcConnector, FcEdge, FcModel, FcNode, fcTopSort, ModelvalidationError } from './ngx-flowchart.models';\n\n@Injectable()\nexport class FcModelValidationService {\n\n constructor() { }\n\n public validateModel(model: FcModel): FcModel {\n this.validateNodes(model.nodes);\n this._validateEdges(model.edges, model.nodes);\n return model;\n }\n\n public validateNodes(nodes: Array): Array {\n const ids: string[] = [];\n nodes.forEach((node) => {\n this.validateNode(node);\n if (ids.indexOf(node.id) !== -1) {\n throw new ModelvalidationError('Id not unique.');\n }\n ids.push(node.id);\n });\n const connectorIds: string[] = [];\n nodes.forEach((node) => {\n node.connectors.forEach((connector) => {\n if (connectorIds.indexOf(connector.id) !== -1) {\n throw new ModelvalidationError('Id not unique.');\n }\n connectorIds.push(connector.id);\n });\n });\n return nodes;\n }\n\n public validateNode(node: FcNode): FcNode {\n if (node.id === undefined) {\n throw new ModelvalidationError('Id not valid.');\n }\n if (typeof node.name !== 'string') {\n throw new ModelvalidationError('Name not valid.');\n }\n if (typeof node.x !== 'number' || node.x < 0 || Math.round(node.x) !== node.x) {\n throw new ModelvalidationError('Coordinates not valid.');\n }\n if (typeof node.y !== 'number' || node.y < 0 || Math.round(node.y) !== node.y) {\n throw new ModelvalidationError('Coordinates not valid.');\n }\n if (!Array.isArray(node.connectors)) {\n throw new ModelvalidationError('Connectors not valid.');\n }\n node.connectors.forEach((connector) => {\n this.validateConnector(connector);\n });\n return node;\n }\n\n private _validateEdges(edges: Array, nodes: Array): Array {\n edges.forEach((edge) => {\n this._validateEdge(edge, nodes);\n });\n edges.forEach((edge1, index1) => {\n edges.forEach((edge2, index2) => {\n if (index1 !== index2) {\n if ((edge1.source === edge2.source && edge1.destination === edge2.destination) ||\n (edge1.source === edge2.destination && edge1.destination === edge2.source)) {\n throw new ModelvalidationError('Duplicated edge.');\n }\n }\n });\n });\n if (fcTopSort({nodes, edges}) === null) {\n throw new ModelvalidationError('Graph has a circle.');\n }\n return edges;\n }\n\n public validateEdges(edges: Array, nodes: Array): Array {\n this.validateNodes(nodes);\n return this._validateEdges(edges, nodes);\n }\n\n private _validateEdge(edge: FcEdge, nodes: Array): FcEdge {\n if (edge.source === undefined) {\n throw new ModelvalidationError('Source not valid.');\n }\n if (edge.destination === undefined) {\n throw new ModelvalidationError('Destination not valid.');\n }\n if (edge.source === edge.destination) {\n throw new ModelvalidationError('Edge with same source and destination connectors.');\n }\n const sourceNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.source))[0];\n if (sourceNode === undefined) {\n throw new ModelvalidationError('Source not valid.');\n }\n const destinationNode = nodes.filter((node) => node.connectors.some((connector) => connector.id === edge.destination))[0];\n if (destinationNode === undefined) {\n throw new ModelvalidationError('Destination not valid.');\n }\n if (sourceNode === destinationNode) {\n throw new ModelvalidationError('Edge with same source and destination nodes.');\n }\n return edge;\n }\n\n public validateEdge(edge: FcEdge, nodes: Array): FcEdge {\n this.validateNodes(nodes);\n return this._validateEdge(edge, nodes);\n }\n\n public validateConnector(connector: FcConnector): FcConnector {\n if (connector.id === undefined) {\n throw new ModelvalidationError('Id not valid.');\n }\n if (connector.type === undefined || connector.type === null || typeof connector.type !== 'string') {\n throw new ModelvalidationError('Type not valid.');\n }\n return connector;\n }\n\n}\n","import { FcModelService } from './model.service';\nimport { FcCoords, FcNode, FlowchartConstants } from './ngx-flowchart.models';\n\nconst nodeDropScope: NodeDropScope = {\n dropElement: null\n};\n\nexport class FcNodeDraggingService {\n\n nodeDraggingScope: NodeDraggingScope = {\n shadowDragStarted: false,\n dropElement: null,\n draggedNodes: [],\n shadowElements: []\n };\n\n private dragOffsets: FcCoords[] = [];\n private draggedElements: HTMLElement[] = [];\n\n private destinationHtmlElements: HTMLElement[] = [];\n private oldDisplayStyles: string[] = [];\n\n private readonly modelService: FcModelService;\n private readonly automaticResize: boolean;\n private readonly dragAnimation: string;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(modelService: FcModelService,\n applyFunction: (fn: (...args: any[]) => T) => T,\n automaticResize: boolean, dragAnimation: string) {\n this.modelService = modelService;\n this.automaticResize = automaticResize;\n this.dragAnimation = dragAnimation;\n this.applyFunction = applyFunction;\n }\n\n private getCoordinate(coordinate: number, max: number): number {\n coordinate = Math.max(coordinate, 0);\n coordinate = Math.min(coordinate, max);\n return coordinate;\n }\n\n private getXCoordinate(x: number): number {\n return this.getCoordinate(x, this.modelService.canvasHtmlElement.offsetWidth);\n }\n\n private getYCoordinate(y: number): number {\n return this.getCoordinate(y, this.modelService.canvasHtmlElement.offsetHeight);\n }\n\n private resizeCanvas(draggedNode: FcNode, nodeElement: HTMLElement) {\n if (this.automaticResize && !this.modelService.isDropSource()) {\n const canvasElement = this.modelService.canvasHtmlElement;\n if (canvasElement.offsetWidth < draggedNode.x + nodeElement.offsetWidth + FlowchartConstants.canvasResizeThreshold) {\n canvasElement.style.width = canvasElement.offsetWidth + FlowchartConstants.canvasResizeStep + 'px';\n }\n if (canvasElement.offsetHeight < draggedNode.y + nodeElement.offsetHeight + FlowchartConstants.canvasResizeThreshold) {\n canvasElement.style.height = canvasElement.offsetHeight + FlowchartConstants.canvasResizeStep + 'px';\n }\n }\n }\n\n public isDraggingNode(node: FcNode): boolean {\n return this.nodeDraggingScope.draggedNodes.includes(node);\n }\n\n public dragstart(event: DragEvent, node: FcNode) {\n if (node.readonly) {\n return;\n }\n this.dragOffsets.length = 0;\n this.draggedElements.length = 0;\n this.nodeDraggingScope.draggedNodes.length = 0;\n this.nodeDraggingScope.shadowElements.length = 0;\n this.destinationHtmlElements.length = 0;\n this.oldDisplayStyles.length = 0;\n const elements: Array> = [];\n const nodes: Array = [];\n if (this.modelService.nodes.isSelected(node)) {\n const selectedNodes = this.modelService.nodes.getSelectedNodes();\n for (const selectedNode of selectedNodes) {\n const element = $(this.modelService.nodes.getHtmlElement(selectedNode.id));\n elements.push(element);\n nodes.push(selectedNode);\n }\n } else {\n elements.push($(event.target as HTMLElement));\n nodes.push(node);\n }\n const offsetsX: number[] = [];\n const offsetsY: number[] = [];\n for (const element of elements) {\n offsetsX.push(parseInt(element.css('left'), 10) - event.clientX);\n offsetsY.push(parseInt(element.css('top'), 10) - event.clientY);\n }\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n if (this.modelService.isDropSource()) {\n if (nodeDropScope.dropElement) {\n nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n nodeDropScope.dropElement = null;\n }\n nodeDropScope.dropElement = elements[0][0].cloneNode(true) as NodeDropElement;\n const offset = $(this.modelService.canvasHtmlElement).offset();\n nodeDropScope.dropElement.offsetInfo = {\n offsetX: Math.round(offsetsX[0] + offset.left),\n offsetY: Math.round(offsetsY[0] + offset.top)\n };\n nodeDropScope.dropElement.style.position = 'absolute';\n nodeDropScope.dropElement.style.pointerEvents = 'none';\n nodeDropScope.dropElement.style.zIndex = '9999';\n\n document.body.appendChild(nodeDropScope.dropElement);\n const dropNodeInfo: DropNodeInfo = {\n node,\n dropTargetId: this.modelService.dropTargetId,\n offsetX: Math.round(offsetsX[0] + offset.left),\n offsetY: Math.round(offsetsY[0] + offset.top)\n };\n originalEvent.dataTransfer.setData('text', JSON.stringify(dropNodeInfo));\n\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n const target: HTMLElement = event.target as HTMLElement;\n this.destinationHtmlElements.push(target);\n this.oldDisplayStyles.push(target.style.display);\n target.style.display = 'none';\n this.nodeDraggingScope.shadowDragStarted = true;\n }\n return;\n }\n this.nodeDraggingScope.draggedNodes = nodes;\n for (let i = 0; i < elements.length; i++) {\n this.draggedElements.push(elements[i][0]);\n this.dragOffsets.push(\n {\n x: offsetsX[i],\n y: offsetsY[i]\n }\n );\n }\n\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n for (let i = 0; i < this.draggedElements.length; i++) {\n const dragOffset = this.dragOffsets[i];\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const shadowElement = $(``);\n const targetInnerNode = $(this.draggedElements[i]).children()[0];\n shadowElement.children()[0].style.backgroundColor = targetInnerNode.style.backgroundColor;\n this.nodeDraggingScope.shadowElements.push(shadowElement);\n this.modelService.canvasHtmlElement.appendChild(this.nodeDraggingScope.shadowElements[i][0]);\n }\n }\n originalEvent.dataTransfer.setData('text', 'Just to support firefox');\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n for (let i = 0; i < this.draggedElements.length; i++) {\n this.destinationHtmlElements.push(this.draggedElements[i]);\n this.oldDisplayStyles.push(this.destinationHtmlElements[i].style.display);\n this.destinationHtmlElements[i].style.display = 'none';\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.nodeDraggingScope.shadowDragStarted = true;\n }\n }\n }\n\n public drop(event: DragEvent): boolean {\n if (this.modelService.isDropSource()) {\n event.preventDefault();\n return false;\n }\n let dropNode: FcNode = null;\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n const infoText = originalEvent.dataTransfer.getData('text');\n if (infoText) {\n let dropNodeInfo: DropNodeInfo = null;\n try {\n dropNodeInfo = JSON.parse(infoText);\n } catch (e) {}\n if (dropNodeInfo && dropNodeInfo.dropTargetId) {\n if (this.modelService.canvasHtmlElement.id &&\n this.modelService.canvasHtmlElement.id === dropNodeInfo.dropTargetId) {\n dropNode = dropNodeInfo.node;\n const offset = $(this.modelService.canvasHtmlElement).offset();\n const x = event.clientX - offset.left;\n const y = event.clientY - offset.top;\n dropNode.x = Math.round(this.getXCoordinate(dropNodeInfo.offsetX + x));\n dropNode.y = Math.round(this.getYCoordinate(dropNodeInfo.offsetY + y));\n }\n }\n }\n if (dropNode) {\n this.modelService.dropNode(event, dropNode);\n event.preventDefault();\n return false;\n } else if (this.nodeDraggingScope.draggedNodes.length) {\n return this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n draggedNode.x = Math.round(this.getXCoordinate(dragOffset.x + event.clientX));\n draggedNode.y = Math.round(this.getYCoordinate(dragOffset.y + event.clientY));\n }\n event.preventDefault();\n return false;\n });\n }\n }\n\n public dragover(event: DragEvent) {\n if (nodeDropScope.dropElement) {\n const offsetInfo = nodeDropScope.dropElement.offsetInfo;\n nodeDropScope.dropElement.style.left = (offsetInfo.offsetX + event.clientX) + 'px';\n nodeDropScope.dropElement.style.top = (offsetInfo.offsetY + event.clientY) + 'px';\n if (this.nodeDraggingScope.shadowDragStarted) {\n this.applyFunction(() => {\n this.destinationHtmlElements[0].style.display = this.oldDisplayStyles[0];\n this.nodeDraggingScope.shadowDragStarted = false;\n });\n }\n event.preventDefault();\n return;\n }\n if (this.modelService.isDropSource()) {\n event.preventDefault();\n return;\n }\n if (!this.nodeDraggingScope.draggedNodes.length) {\n event.preventDefault();\n return;\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n if (this.nodeDraggingScope.draggedNodes.length) {\n return this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n draggedNode.x = this.getXCoordinate(dragOffset.x + event.clientX);\n draggedNode.y = this.getYCoordinate(dragOffset.y + event.clientY);\n this.resizeCanvas(draggedNode, this.draggedElements[i]);\n }\n event.preventDefault();\n return false;\n });\n }\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.nodeDraggingScope.draggedNodes.length) {\n if (this.nodeDraggingScope.shadowDragStarted) {\n this.applyFunction(() => {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n this.destinationHtmlElements[i].style.display = this.oldDisplayStyles[i];\n }\n this.nodeDraggingScope.shadowDragStarted = false;\n });\n }\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const dragOffset = this.dragOffsets[i];\n this.nodeDraggingScope.shadowElements[i].css('left', this.getXCoordinate(dragOffset.x + event.clientX) + 'px');\n this.nodeDraggingScope.shadowElements[i].css('top', this.getYCoordinate(dragOffset.y + event.clientY) + 'px');\n this.resizeCanvas(draggedNode, this.draggedElements[i]);\n }\n event.preventDefault();\n }\n }\n }\n\n public dragend(event: DragEvent) {\n this.applyFunction(() => {\n if (nodeDropScope.dropElement) {\n nodeDropScope.dropElement.parentNode.removeChild(nodeDropScope.dropElement);\n nodeDropScope.dropElement = null;\n }\n if (this.modelService.isDropSource()) {\n return;\n }\n if (this.nodeDraggingScope.shadowElements.length) {\n for (let i = 0; i < this.nodeDraggingScope.draggedNodes.length; i++) {\n const draggedNode = this.nodeDraggingScope.draggedNodes[i];\n const shadowElement = this.nodeDraggingScope.shadowElements[i];\n draggedNode.x = parseInt(shadowElement.css('left').replace('px', ''), 10);\n draggedNode.y = parseInt(shadowElement.css('top').replace('px', ''), 10);\n this.modelService.canvasHtmlElement.removeChild(shadowElement[0]);\n }\n this.nodeDraggingScope.shadowElements.length = 0;\n }\n\n if (this.nodeDraggingScope.draggedNodes.length) {\n this.nodeDraggingScope.draggedNodes.length = 0;\n this.draggedElements.length = 0;\n this.dragOffsets.length = 0;\n }\n });\n }\n\n}\n\nexport interface NodeDraggingScope {\n draggedNodes: Array;\n shadowElements: Array>;\n shadowDragStarted: boolean;\n dropElement: HTMLElement;\n}\n\nexport interface NodeDropElement extends HTMLElement {\n offsetInfo?: {\n offsetX: number;\n offsetY: number;\n };\n}\n\nexport interface NodeDropScope {\n dropElement: NodeDropElement;\n}\n\nexport interface DropNodeInfo {\n node: FcNode;\n dropTargetId: string;\n offsetX: number;\n offsetY: number;\n}\n","import { Injectable } from '@angular/core';\nimport { FcCoords, FlowchartConstants } from './ngx-flowchart.models';\n\n@Injectable()\nexport class FcEdgeDrawingService {\n\n constructor() {\n }\n\n public getEdgeDAttribute(pt1: FcCoords, pt2: FcCoords, style: string): string {\n let dAddribute = `M ${pt1.x}, ${pt1.y} `;\n if (style === FlowchartConstants.curvedStyle) {\n const sourceTangent = this.computeEdgeSourceTangent(pt1, pt2);\n const destinationTangent = this.computeEdgeDestinationTangent(pt1, pt2);\n dAddribute += `C ${sourceTangent.x}, ${sourceTangent.y} ${(destinationTangent.x - 50)}, ${destinationTangent.y} ${pt2.x}, ${pt2.y}`;\n } else {\n dAddribute += `L ${pt2.x}, ${pt2.y}`;\n }\n return dAddribute;\n }\n\n public getEdgeCenter(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: (pt1.x + pt2.x) / 2,\n y: (pt1.y + pt2.y) / 2\n };\n }\n\n private computeEdgeTangentOffset(pt1: FcCoords, pt2: FcCoords): number {\n return (pt2.y - pt1.y) / 2;\n }\n\n private computeEdgeSourceTangent(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: pt1.x,\n y: pt1.y + this.computeEdgeTangentOffset(pt1, pt2)\n };\n }\n\n private computeEdgeDestinationTangent(pt1: FcCoords, pt2: FcCoords): FcCoords {\n return {\n x: pt2.x,\n y: pt2.y - this.computeEdgeTangentOffset(pt1, pt2)\n };\n }\n\n}\n","import { FcModelService } from './model.service';\nimport { FcConnector, FcCoords, FcEdge, FcModel, FlowchartConstants, ModelvalidationError } from './ngx-flowchart.models';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcModelValidationService } from './modelvalidation.service';\n\nexport class FcEdgeDraggingService {\n\n edgeDragging: EdgeDragging = {\n isDragging: false,\n dragPoint1: null,\n dragPoint2: null,\n shadowDragStarted: false\n };\n\n private draggedEdgeSource: FcConnector = null;\n private dragOffset: FcCoords = {};\n private destinationHtmlElement: HTMLElement = null;\n private oldDisplayStyle = '';\n\n private readonly modelValidation: FcModelValidationService;\n private readonly edgeDrawingService: FcEdgeDrawingService;\n private readonly modelService: FcModelService;\n private readonly model: FcModel;\n private readonly isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n private readonly dragAnimation: string;\n private readonly edgeStyle: string;\n\n constructor(modelValidation: FcModelValidationService,\n edgeDrawingService: FcEdgeDrawingService,\n modelService: FcModelService,\n model: FcModel,\n isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean,\n applyFunction: (fn: (...args: any[]) => T) => T,\n dragAnimation: string,\n edgeStyle: string) {\n this.modelValidation = modelValidation;\n this.edgeDrawingService = edgeDrawingService;\n this.modelService = modelService;\n this.model = model;\n this.isValidEdgeCallback = isValidEdgeCallback || (() => true);\n this.applyFunction = applyFunction;\n this.dragAnimation = dragAnimation;\n this.edgeStyle = edgeStyle;\n }\n\n public dragstart(event: DragEvent, connector: FcConnector) {\n let swapConnector: FcConnector;\n let dragLabel: string;\n let prevEdge: FcEdge;\n if (connector.type === FlowchartConstants.leftConnectorType) {\n for (const edge of this.model.edges) {\n if (edge === connector.id) {\n swapConnector = this.modelService.connectors.getConnector(edge.source);\n dragLabel = edge.label;\n prevEdge = edge;\n this.applyFunction(() => {\n this.modelService.edges.delete(edge);\n });\n break;\n }\n }\n }\n this.edgeDragging.isDragging = true;\n if (swapConnector !== undefined) {\n this.draggedEdgeSource = swapConnector;\n this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(swapConnector.id);\n this.edgeDragging.dragLabel = dragLabel;\n this.edgeDragging.prevEdge = prevEdge;\n } else {\n this.draggedEdgeSource = connector;\n this.edgeDragging.dragPoint1 = this.modelService.connectors.getCenteredCoord(connector.id);\n }\n const canvas = this.modelService.canvasHtmlElement;\n if (!canvas) {\n throw new Error('No canvas while edgedraggingService found.');\n }\n this.dragOffset.x = -canvas.getBoundingClientRect().left;\n this.dragOffset.y = -canvas.getBoundingClientRect().top;\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n const originalEvent: DragEvent = (event as any).originalEvent || event;\n\n originalEvent.dataTransfer.setData('Text', 'Just to support firefox');\n if (originalEvent.dataTransfer.setDragImage) {\n originalEvent.dataTransfer.setDragImage(this.modelService.getDragImage(), 0, 0);\n } else {\n this.destinationHtmlElement = event.target as HTMLElement;\n this.oldDisplayStyle = this.destinationHtmlElement.style.display;\n this.destinationHtmlElement.style.display = 'none';\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.edgeDragging.shadowDragStarted = true;\n }\n }\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.edgeDragging.gElement === undefined) {\n this.edgeDragging.gElement = $(document.querySelectorAll('.shadow-svg-class'));\n this.edgeDragging.pathElement = $(document.querySelectorAll('.shadow-svg-class')).find('path');\n this.edgeDragging.circleElement = $(document.querySelectorAll('.shadow-svg-class')).find('circle');\n }\n\n this.edgeDragging.gElement.css('display', 'block');\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n }\n event.stopPropagation();\n }\n\n public dragover(event: DragEvent) {\n if (this.edgeDragging.isDragging) {\n if (!this.edgeDragging.magnetActive && this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n if (this.destinationHtmlElement !== null) {\n this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n }\n\n if (this.edgeDragging.shadowDragStarted) {\n this.applyFunction(() => {\n this.edgeDragging.shadowDragStarted = false;\n });\n }\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n return this.applyFunction(() => {\n if (this.destinationHtmlElement !== null) {\n this.destinationHtmlElement.style.display = this.oldDisplayStyle;\n }\n\n this.edgeDragging.dragPoint2 = {\n x: event.clientX + this.dragOffset.x,\n y: event.clientY + this.dragOffset.y\n };\n });\n }\n }\n }\n\n public dragoverConnector(event: DragEvent, connector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n this.dragover(event);\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: connector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n event.preventDefault();\n event.stopPropagation();\n return false;\n }\n }\n }\n\n public dragleaveMagnet(event: DragEvent) {\n this.edgeDragging.magnetActive = false;\n }\n\n public dragoverMagnet(event: DragEvent, connector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n this.dragover(event);\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: connector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n if (this.isValidEdgeCallback(this.draggedEdgeSource, connector)) {\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n\n this.edgeDragging.magnetActive = true;\n\n this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n this.edgeDragging.pathElement.attr('d',\n this.edgeDrawingService.getEdgeDAttribute(this.edgeDragging.dragPoint1, this.edgeDragging.dragPoint2, this.edgeStyle));\n this.edgeDragging.circleElement.attr('cx', this.edgeDragging.dragPoint2.x);\n this.edgeDragging.circleElement.attr('cy', this.edgeDragging.dragPoint2.y);\n\n event.preventDefault();\n event.stopPropagation();\n return false;\n } else if (this.dragAnimation === FlowchartConstants.dragAnimationRepaint) {\n return this.applyFunction(() => {\n this.edgeDragging.dragPoint2 = this.modelService.connectors.getCenteredCoord(connector.id);\n event.preventDefault();\n event.stopPropagation();\n return false;\n });\n }\n }\n }\n }\n\n public dragend(event: DragEvent) {\n if (this.edgeDragging.isDragging) {\n this.edgeDragging.isDragging = false;\n this.edgeDragging.dragPoint1 = null;\n this.edgeDragging.dragPoint2 = null;\n this.edgeDragging.dragLabel = null;\n event.stopPropagation();\n\n if (this.dragAnimation === FlowchartConstants.dragAnimationShadow) {\n this.edgeDragging.gElement.css('display', 'none');\n }\n if (this.edgeDragging.prevEdge) {\n const edge = this.edgeDragging.prevEdge;\n this.edgeDragging.prevEdge = null;\n this.applyFunction(() => {\n this.modelService.edges.putEdge(edge);\n });\n }\n }\n }\n\n public drop(event: DragEvent, targetConnector: FcConnector): boolean {\n if (this.edgeDragging.isDragging) {\n try {\n this.modelValidation.validateEdges(this.model.edges.concat([{\n source: this.draggedEdgeSource.id,\n destination: targetConnector.id\n }]), this.model.nodes);\n } catch (error) {\n if (error instanceof ModelvalidationError) {\n return true;\n } else {\n throw error;\n }\n }\n\n if (this.isValidEdgeCallback(this.draggedEdgeSource, targetConnector)) {\n this.edgeDragging.prevEdge = null;\n this.modelService.edges._addEdge(event, this.draggedEdgeSource, targetConnector, this.edgeDragging.dragLabel);\n event.stopPropagation();\n event.preventDefault();\n return false;\n }\n }\n }\n}\n\nexport interface EdgeDragging {\n isDragging: boolean;\n shadowDragStarted: boolean;\n dragPoint1: FcCoords;\n dragPoint2: FcCoords;\n dragLabel?: string;\n prevEdge?: FcEdge;\n magnetActive?: boolean;\n gElement?: JQuery;\n pathElement?: JQuery;\n circleElement?: JQuery;\n}\n","import { FcConnector, FcEdge, FcNode } from './ngx-flowchart.models';\n\nexport class FcMouseOverService {\n\n mouseoverscope: MouseOverScope = {\n connector: null,\n edge: null,\n node: null\n };\n\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(applyFunction: (fn: (...args: any[]) => T) => T) {\n this.applyFunction = applyFunction;\n }\n\n public nodeMouseOver(event: MouseEvent, node: FcNode) {\n return this.applyFunction(() => {\n this.mouseoverscope.node = node;\n });\n }\n\n public nodeMouseOut(event: MouseEvent, node: FcNode) {\n return this.applyFunction(() => {\n this.mouseoverscope.node = null;\n });\n }\n\n public connectorMouseEnter(event: MouseEvent, connector: FcConnector) {\n return this.applyFunction(() => {\n this.mouseoverscope.connector = connector;\n });\n }\n\n public connectorMouseLeave(event: MouseEvent, connector: FcConnector) {\n return this.applyFunction(() => {\n this.mouseoverscope.connector = null;\n });\n }\n\n public edgeMouseEnter(event: MouseEvent, edge: FcEdge) {\n this.mouseoverscope.edge = edge;\n }\n\n public edgeMouseLeave(event: MouseEvent, edge: FcEdge) {\n this.mouseoverscope.edge = null;\n }\n}\n\nexport interface MouseOverScope {\n connector: FcConnector;\n edge: FcEdge;\n node: FcNode;\n}\n","const regex = /(auto|scroll)/;\n\nconst style = (node: Element, prop: string): string =>\n getComputedStyle(node, null).getPropertyValue(prop);\n\nconst scroll = (node: Element) =>\n regex.test(\n style(node, 'overflow') +\n style(node, 'overflow-y') +\n style(node, 'overflow-x'));\n\nconst scrollparent = (node: HTMLElement): HTMLElement =>\n !node || node === document.body\n ? document.body\n : scroll(node)\n ? node\n : scrollparent(node.parentNode as HTMLElement);\n\nexport default scrollparent;\n","import { FcModelService } from './model.service';\nimport { FcRectBox } from 'ngx-flowchart-dev';\nimport scrollparent from './scrollparent';\n\ninterface Rectangle {\n x1: number;\n x2: number;\n y1: number;\n y2: number;\n}\n\nexport class FcRectangleSelectService {\n\n private readonly selectRect: Rectangle = {\n x1: 0,\n x2: 0,\n y1: 0,\n y2: 0\n };\n\n private readonly modelService: FcModelService;\n private readonly selectElement: HTMLElement;\n private readonly $canvasElement: JQuery;\n private readonly $scrollParent: JQuery;\n private readonly applyFunction: (fn: (...args: any[]) => T) => T;\n\n constructor(modelService: FcModelService,\n selectElement: HTMLElement,\n applyFunction: (fn: (...args: any[]) => T) => T) {\n this.modelService = modelService;\n this.selectElement = selectElement;\n this.$canvasElement = $(this.modelService.canvasHtmlElement);\n this.$scrollParent = $(scrollparent(this.modelService.canvasHtmlElement));\n this.applyFunction = applyFunction;\n }\n\n public mousedown(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && this.selectElement.hidden) {\n this.selectElement.hidden = false;\n const offset = this.$canvasElement.offset();\n this.selectRect.x1 = Math.round(e.pageX - offset.left);\n this.selectRect.y1 = Math.round(e.pageY - offset.top);\n this.selectRect.x2 = this.selectRect.x1;\n this.selectRect.y2 = this.selectRect.y1;\n this.updateSelectRect();\n }\n }\n\n public mousemove(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && !this.selectElement.hidden) {\n const offset = this.$canvasElement.offset();\n this.selectRect.x2 = Math.round(e.pageX - offset.left);\n this.selectRect.y2 = Math.round(e.pageY - offset.top);\n this.updateScroll(offset);\n this.updateSelectRect();\n }\n }\n\n private updateScroll(offset: JQuery.Coordinates) {\n const rect = this.$scrollParent[0].getBoundingClientRect();\n const bottom = rect.bottom - offset.top;\n const right = rect.right - offset.left;\n const top = rect.top - offset.top;\n const left = rect.left - offset.left;\n if (this.selectRect.y2 - top < 25) {\n const topScroll = 25 - (this.selectRect.y2 - top);\n const scroll = this.$scrollParent.scrollTop();\n this.$scrollParent.scrollTop(scroll - topScroll);\n } else if (bottom - this.selectRect.y2 < 40) {\n const bottomScroll = 40 - (bottom - this.selectRect.y2);\n const scroll = this.$scrollParent.scrollTop();\n this.$scrollParent.scrollTop(scroll + bottomScroll);\n }\n if (this.selectRect.x2 - left < 25) {\n const leftScroll = 25 - (this.selectRect.x2 - left);\n const scroll = this.$scrollParent.scrollLeft();\n this.$scrollParent.scrollLeft(scroll - leftScroll);\n } else if (right - this.selectRect.x2 < 40) {\n const rightScroll = 40 - (right - this.selectRect.x2);\n const scroll = this.$scrollParent.scrollLeft();\n this.$scrollParent.scrollLeft(scroll + rightScroll);\n }\n }\n\n public mouseup(e: MouseEvent) {\n if (this.modelService.isEditable() && !e.ctrlKey && !e.metaKey && e.button === 0\n && !this.selectElement.hidden) {\n const rectBox = this.selectElement.getBoundingClientRect() as FcRectBox;\n this.selectElement.hidden = true;\n this.selectObjects(rectBox);\n }\n }\n\n private updateSelectRect() {\n const x3 = Math.min(this.selectRect.x1, this.selectRect.x2);\n const x4 = Math.max(this.selectRect.x1, this.selectRect.x2);\n const y3 = Math.min(this.selectRect.y1, this.selectRect.y2);\n const y4 = Math.max(this.selectRect.y1, this.selectRect.y2);\n this.selectElement.style.left = x3 + 'px';\n this.selectElement.style.top = y3 + 'px';\n this.selectElement.style.width = x4 - x3 + 'px';\n this.selectElement.style.height = y4 - y3 + 'px';\n }\n\n private selectObjects(rectBox: FcRectBox) {\n this.applyFunction(() => {\n this.modelService.selectAllInRect(rectBox);\n });\n }\n\n}\n\n","import {\n ChangeDetectionStrategy, ChangeDetectorRef,\n Component,\n DoCheck,\n ElementRef,\n HostBinding,\n HostListener,\n Input,\n IterableDiffer,\n IterableDiffers,\n NgZone,\n OnInit\n} from '@angular/core';\nimport { FcCallbacks, FcEdge, FcModel, FcNode, FlowchartConstants, UserCallbacks, UserNodeCallbacks } from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\nimport { FcModelValidationService } from './modelvalidation.service';\nimport { FcNodeDraggingService } from './node-dragging.service';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { FcEdgeDraggingService } from './edge-dragging.service';\nimport { FcMouseOverService } from './mouseover.service';\nimport { FcRectangleSelectService } from './rectangleselect.service';\n\n@Component({\n selector: 'fc-canvas',\n templateUrl: './ngx-flowchart.component.html',\n styleUrls: ['./ngx-flowchart.component.scss'],\n changeDetection: ChangeDetectionStrategy.OnPush\n})\nexport class NgxFlowchartComponent implements OnInit, DoCheck {\n\n @HostBinding('attr.class')\n get canvasClass(): string {\n return FlowchartConstants.canvasClass;\n }\n\n @Input()\n model: FcModel;\n\n @Input()\n selectedObjects: any[];\n\n @Input()\n edgeStyle: string;\n\n @Input()\n userCallbacks: UserCallbacks;\n\n @Input()\n automaticResize: boolean;\n\n @Input()\n dragAnimation: string;\n\n @Input()\n nodeWidth: number;\n\n @Input()\n nodeHeight: number;\n\n @Input()\n dropTargetId: string;\n\n callbacks: FcCallbacks;\n\n userNodeCallbacks: UserNodeCallbacks;\n\n modelService: FcModelService;\n nodeDraggingService: FcNodeDraggingService;\n edgeDraggingService: FcEdgeDraggingService;\n mouseoverService: FcMouseOverService;\n rectangleSelectService: FcRectangleSelectService;\n\n arrowDefId: string;\n arrowDefIdSelected: string;\n\n flowchartConstants = FlowchartConstants;\n\n private nodesDiffer: IterableDiffer = this.differs.find([]).create((index, item) => {\n return item;\n });\n\n private edgesDiffer: IterableDiffer = this.differs.find([]).create((index, item) => {\n return item;\n });\n\n constructor(private elementRef: ElementRef,\n private differs: IterableDiffers,\n private modelValidation: FcModelValidationService,\n public edgeDrawingService: FcEdgeDrawingService,\n private cd: ChangeDetectorRef,\n private zone: NgZone) {\n this.arrowDefId = 'arrow-' + Math.random();\n this.arrowDefIdSelected = this.arrowDefId + '-selected';\n }\n\n ngOnInit() {\n if (!this.dropTargetId && this.edgeStyle !== FlowchartConstants.curvedStyle && this.edgeStyle !== FlowchartConstants.lineStyle) {\n throw new Error('edgeStyle not supported.');\n }\n this.nodeHeight = this.nodeHeight || 200;\n this.nodeWidth = this.nodeWidth || 200;\n this.dragAnimation = this.dragAnimation || FlowchartConstants.dragAnimationRepaint;\n this.userCallbacks = this.userCallbacks || {};\n this.automaticResize = this.automaticResize || false;\n\n for (const key of Object.keys(this.userCallbacks)) {\n const callback = this.userCallbacks[key];\n if (typeof callback !== 'function' && key !== 'nodeCallbacks') {\n throw new Error('All callbacks should be functions.');\n }\n }\n\n this.userNodeCallbacks = this.userCallbacks.nodeCallbacks;\n\n const element = $(this.elementRef.nativeElement);\n\n this.modelService = new FcModelService(this.modelValidation, this.model, this.cd, this.selectedObjects,\n this.userCallbacks.dropNode, this.userCallbacks.createEdge, this.userCallbacks.edgeAdded, this.userCallbacks.nodeRemoved,\n this.userCallbacks.edgeRemoved, element[0], element[0].querySelector('svg'));\n\n if (this.dropTargetId) {\n this.modelService.dropTargetId = this.dropTargetId;\n }\n\n const applyFunction = this.zone.run.bind(this.zone);\n\n this.nodeDraggingService = new FcNodeDraggingService(this.modelService, applyFunction,\n this.automaticResize, this.dragAnimation);\n\n this.edgeDraggingService = new FcEdgeDraggingService(this.modelValidation, this.edgeDrawingService, this.modelService,\n this.model, this.userCallbacks.isValidEdge || null, applyFunction,\n this.dragAnimation, this.edgeStyle);\n\n this.mouseoverService = new FcMouseOverService(applyFunction);\n\n this.rectangleSelectService = new FcRectangleSelectService(this.modelService,\n element[0].querySelector('#select-rectangle'), applyFunction);\n\n this.callbacks = {\n nodeDragstart: this.nodeDraggingService.dragstart.bind(this.nodeDraggingService),\n nodeDragend: this.nodeDraggingService.dragend.bind(this.nodeDraggingService),\n edgeDragstart: this.edgeDraggingService.dragstart.bind(this.edgeDraggingService),\n edgeDragend: this.edgeDraggingService.dragend.bind(this.edgeDraggingService),\n edgeDrop: this.edgeDraggingService.drop.bind(this.edgeDraggingService),\n edgeDragoverConnector: this.edgeDraggingService.dragoverConnector.bind(this.edgeDraggingService),\n edgeDragoverMagnet: this.edgeDraggingService.dragoverMagnet.bind(this.edgeDraggingService),\n edgeDragleaveMagnet: this.edgeDraggingService.dragleaveMagnet.bind(this.edgeDraggingService),\n nodeMouseOver: this.mouseoverService.nodeMouseOver.bind(this.mouseoverService),\n nodeMouseOut: this.mouseoverService.nodeMouseOut.bind(this.mouseoverService),\n connectorMouseEnter: this.mouseoverService.connectorMouseEnter.bind(this.mouseoverService),\n connectorMouseLeave: this.mouseoverService.connectorMouseLeave.bind(this.mouseoverService),\n nodeClicked: (event, node) => {\n this.modelService.nodes.handleClicked(node, event.ctrlKey);\n event.stopPropagation();\n event.preventDefault();\n }\n };\n this.adjustCanvasSize(true);\n }\n\n ngDoCheck(): void {\n if (this.model) {\n const nodesChange = this.nodesDiffer.diff(this.model.nodes);\n const edgesChange = this.edgesDiffer.diff(this.model.edges);\n let nodesChanged = false;\n let edgesChanged = false;\n if (nodesChange !== null) {\n nodesChange.forEachAddedItem(() => {\n nodesChanged = true;\n });\n nodesChange.forEachRemovedItem(() => {\n nodesChanged = true;\n });\n }\n if (edgesChange !== null) {\n edgesChange.forEachAddedItem(() => {\n edgesChanged = true;\n });\n edgesChange.forEachRemovedItem(() => {\n edgesChanged = true;\n });\n }\n if (nodesChanged) {\n this.adjustCanvasSize(true);\n }\n if (nodesChanged || edgesChanged) {\n this.cd.detectChanges();\n }\n }\n }\n\n getEdgeDAttribute(edge: FcEdge): string {\n return this.edgeDrawingService.getEdgeDAttribute(this.modelService.edges.sourceCoord(edge),\n this.modelService.edges.destCoord(edge), this.edgeStyle);\n }\n\n public adjustCanvasSize(fit?: boolean) {\n let maxX = 0;\n let maxY = 0;\n const element = $(this.elementRef.nativeElement);\n this.model.nodes.forEach((node) => {\n maxX = Math.max(node.x + this.nodeWidth, maxX);\n maxY = Math.max(node.y + this.nodeHeight, maxY);\n });\n let width;\n let height;\n if (fit) {\n width = maxX;\n height = maxY;\n } else {\n width = Math.max(maxX, element.prop('offsetWidth'));\n height = Math.max(maxY, element.prop('offsetHeight'));\n }\n element.css('width', width + 'px');\n element.css('height', height + 'px');\n }\n\n canvasClick(event: MouseEvent) {}\n\n edgeMouseDown(event: MouseEvent, edge: FcEdge) {\n event.stopPropagation();\n }\n\n edgeClick(event: MouseEvent, edge: FcEdge) {\n this.modelService.edges.handleEdgeMouseClick(edge, event.ctrlKey);\n event.stopPropagation();\n event.preventDefault();\n }\n\n edgeRemove(event: Event, edge: FcEdge) {\n this.modelService.edges.delete(edge);\n event.stopPropagation();\n event.preventDefault();\n }\n\n edgeEdit(event: Event, edge: FcEdge) {\n if (this.userCallbacks.edgeEdit) {\n this.userCallbacks.edgeEdit(event, edge);\n }\n }\n\n edgeDoubleClick(event: MouseEvent, edge: FcEdge) {\n if (this.userCallbacks.edgeDoubleClick) {\n this.userCallbacks.edgeDoubleClick(event, edge);\n }\n }\n\n edgeMouseOver(event: MouseEvent, edge: FcEdge) {\n if (this.userCallbacks.edgeMouseOver) {\n this.userCallbacks.edgeMouseOver(event, edge);\n }\n }\n\n edgeMouseEnter(event: MouseEvent, edge: FcEdge) {\n this.mouseoverService.edgeMouseEnter(event, edge);\n }\n\n edgeMouseLeave(event: MouseEvent, edge: FcEdge) {\n this.mouseoverService.edgeMouseLeave(event, edge);\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n this.nodeDraggingService.dragover(event);\n this.edgeDraggingService.dragover(event);\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n if (event.preventDefault) {\n event.preventDefault();\n }\n if (event.stopPropagation) {\n event.stopPropagation();\n }\n this.nodeDraggingService.drop(event);\n }\n\n @HostListener('mousedown', ['$event'])\n mousedown(event: MouseEvent) {\n this.rectangleSelectService.mousedown(event);\n }\n\n @HostListener('mousemove', ['$event'])\n mousemove(event: MouseEvent) {\n this.rectangleSelectService.mousemove(event);\n }\n\n @HostListener('mouseup', ['$event'])\n mouseup(event: MouseEvent) {\n this.rectangleSelectService.mouseup(event);\n }\n\n}\n","import { Directive, ElementRef, HostListener, Input, OnInit } from '@angular/core';\nimport { FcCallbacks, FcConnector, FlowchartConstants } from './ngx-flowchart.models';\n\n@Directive({\n // tslint:disable-next-line:directive-selector\n selector: '[fc-magnet]'\n})\nexport class FcMagnetDirective implements OnInit {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n connector: FcConnector;\n\n constructor(public elementRef: ElementRef) {\n }\n\n ngOnInit(): void {\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.magnetClass);\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n return this.callbacks.edgeDragoverMagnet(event, this.connector);\n }\n\n @HostListener('dragleave', ['$event'])\n dragleave(event: DragEvent) {\n this.callbacks.edgeDragleaveMagnet(event);\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n return this.callbacks.edgeDrop(event, this.connector);\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n this.callbacks.edgeDragend(event);\n }\n\n}\n","import { Directive, ElementRef, HostListener, Input, OnChanges, OnInit, SimpleChanges } from '@angular/core';\nimport { FcCallbacks, FcConnector, FlowchartConstants } from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\n\n@Directive({\n // tslint:disable-next-line:directive-selector\n selector: '[fc-connector]'\n})\nexport class FcConnectorDirective implements OnInit, OnChanges {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n connector: FcConnector;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n constructor(public elementRef: ElementRef) {\n }\n\n ngOnInit(): void {\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.connectorClass);\n if (this.modelservice.isEditable()) {\n element.attr('draggable', 'true');\n this.updateConnectorClass();\n }\n this.modelservice.connectors.setHtmlElement(this.connector.id, element[0]);\n }\n\n ngOnChanges(changes: SimpleChanges): void {\n let updateConnector = false;\n for (const propName of Object.keys(changes)) {\n const change = changes[propName];\n if (!change.firstChange && change.currentValue !== change.previousValue) {\n if (propName === 'mouseOverConnector') {\n updateConnector = true;\n }\n }\n }\n if (updateConnector && this.modelservice.isEditable()) {\n this.updateConnectorClass();\n }\n }\n\n private updateConnectorClass() {\n const element = $(this.elementRef.nativeElement);\n if (this.connector === this.mouseOverConnector) {\n element.addClass(FlowchartConstants.hoverClass);\n } else {\n element.removeClass(FlowchartConstants.hoverClass);\n }\n }\n\n @HostListener('dragover', ['$event'])\n dragover(event: DragEvent) {\n // Skip - conflict with magnet\n /* if (this.modelservice.isEditable()) {\n return this.callbacks.edgeDragoverConnector(event, this.connector);\n }*/\n }\n\n @HostListener('drop', ['$event'])\n drop(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n return this.callbacks.edgeDrop(event, this.connector);\n }\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.edgeDragend(event);\n }\n }\n\n @HostListener('dragstart', ['$event'])\n dragstart(event: DragEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.edgeDragstart(event, this.connector);\n }\n }\n\n @HostListener('mouseenter', ['$event'])\n mouseenter(event: MouseEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.connectorMouseEnter(event, this.connector);\n }\n }\n\n @HostListener('mouseleave', ['$event'])\n mouseleave(event: MouseEvent) {\n if (this.modelservice.isEditable()) {\n this.callbacks.connectorMouseLeave(event, this.connector);\n }\n }\n\n}\n","import {\n Component,\n ComponentFactoryResolver, Directive,\n ElementRef, HostBinding,\n HostListener,\n Inject,\n Input,\n OnChanges,\n OnInit,\n SimpleChanges,\n ViewChild,\n ViewContainerRef\n} from '@angular/core';\nimport {\n FC_NODE_COMPONENT_CONFIG,\n FcCallbacks,\n FcConnector,\n FcNode,\n FcNodeComponentConfig,\n FlowchartConstants,\n UserNodeCallbacks\n} from './ngx-flowchart.models';\nimport { FcModelService } from './model.service';\n\n@Component({\n selector: 'fc-node',\n template: ' ',\n styleUrls: ['./node.component.scss']\n})\nexport class FcNodeContainerComponent implements OnInit, OnChanges {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n userNodeCallbacks: UserNodeCallbacks;\n\n @Input()\n node: FcNode;\n\n @Input()\n selected: boolean;\n\n @Input()\n edit: boolean;\n\n @Input()\n underMouse: boolean;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n dragging: boolean;\n\n @HostBinding('attr.id')\n get nodeId(): string {\n return this.node.id;\n }\n\n @HostBinding('style.top')\n get top(): string {\n return this.node.y + 'px';\n }\n\n @HostBinding('style.left')\n get left(): string {\n return this.node.x + 'px';\n }\n\n nodeComponent: FcNodeComponent;\n\n @ViewChild('nodeContent', {read: ViewContainerRef, static: true}) nodeContentContainer: ViewContainerRef;\n\n constructor(@Inject(FC_NODE_COMPONENT_CONFIG) private nodeComponentConfig: FcNodeComponentConfig,\n private elementRef: ElementRef,\n private componentFactoryResolver: ComponentFactoryResolver) {\n }\n\n ngOnInit(): void {\n if (!this.userNodeCallbacks) {\n this.userNodeCallbacks = {};\n }\n this.userNodeCallbacks.nodeEdit = this.userNodeCallbacks.nodeEdit || (() => {});\n this.userNodeCallbacks.doubleClick = this.userNodeCallbacks.doubleClick || (() => {});\n this.userNodeCallbacks.mouseDown = this.userNodeCallbacks.mouseDown || (() => {});\n this.userNodeCallbacks.mouseEnter = this.userNodeCallbacks.mouseEnter || (() => {});\n this.userNodeCallbacks.mouseLeave = this.userNodeCallbacks.mouseLeave || (() => {});\n\n const element = $(this.elementRef.nativeElement);\n element.addClass(FlowchartConstants.nodeClass);\n if (!this.node.readonly) {\n element.attr('draggable', 'true');\n }\n this.updateNodeClass();\n this.modelservice.nodes.setHtmlElement(this.node.id, element[0]);\n this.nodeContentContainer.clear();\n const componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.nodeComponentConfig.nodeComponentType);\n const componentRef = this.nodeContentContainer.createComponent(componentFactory);\n this.nodeComponent = componentRef.instance;\n this.nodeComponent.callbacks = this.callbacks;\n this.nodeComponent.userNodeCallbacks = this.userNodeCallbacks;\n this.nodeComponent.node = this.node;\n this.nodeComponent.modelservice = this.modelservice;\n this.updateNodeComponent();\n }\n\n ngOnChanges(changes: SimpleChanges): void {\n let updateNode = false;\n for (const propName of Object.keys(changes)) {\n const change = changes[propName];\n if (!change.firstChange && change.currentValue !== change.previousValue) {\n if (['selected', 'edit', 'underMouse', 'mouseOverConnector', 'dragging'].includes(propName)) {\n updateNode = true;\n }\n }\n }\n if (updateNode) {\n this.updateNodeClass();\n this.updateNodeComponent();\n }\n }\n\n private updateNodeClass() {\n const element = $(this.elementRef.nativeElement);\n this.toggleClass(element, FlowchartConstants.selectedClass, this.selected);\n this.toggleClass(element, FlowchartConstants.editClass, this.edit);\n this.toggleClass(element, FlowchartConstants.hoverClass, this.underMouse);\n this.toggleClass(element, FlowchartConstants.draggingClass, this.dragging);\n }\n\n private updateNodeComponent() {\n this.nodeComponent.selected = this.selected;\n this.nodeComponent.edit = this.edit;\n this.nodeComponent.underMouse = this.underMouse;\n this.nodeComponent.mouseOverConnector = this.mouseOverConnector;\n this.nodeComponent.dragging = this.dragging;\n }\n\n private toggleClass(element: JQuery, clazz: string, set: boolean) {\n if (set) {\n element.addClass(clazz);\n } else {\n element.removeClass(clazz);\n }\n }\n\n @HostListener('mousedown', ['$event'])\n mousedown(event: MouseEvent) {\n event.stopPropagation();\n }\n\n @HostListener('dragstart', ['$event'])\n dragstart(event: DragEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeDragstart(event, this.node);\n }\n }\n\n @HostListener('dragend', ['$event'])\n dragend(event: DragEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeDragend(event);\n }\n }\n\n @HostListener('click', ['$event'])\n click(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeClicked(event, this.node);\n }\n }\n\n @HostListener('mouseover', ['$event'])\n mouseover(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeMouseOver(event, this.node);\n }\n }\n\n @HostListener('mouseout', ['$event'])\n mouseout(event: MouseEvent) {\n if (!this.node.readonly) {\n this.callbacks.nodeMouseOut(event, this.node);\n }\n }\n\n}\n\nexport abstract class FcNodeComponent implements OnInit {\n\n @Input()\n callbacks: FcCallbacks;\n\n @Input()\n userNodeCallbacks: UserNodeCallbacks;\n\n @Input()\n node: FcNode;\n\n @Input()\n selected: boolean;\n\n @Input()\n edit: boolean;\n\n @Input()\n underMouse: boolean;\n\n @Input()\n mouseOverConnector: FcConnector;\n\n @Input()\n modelservice: FcModelService;\n\n @Input()\n dragging: boolean;\n\n flowchartConstants = FlowchartConstants;\n\n ngOnInit(): void {\n }\n\n}\n","import { Component } from '@angular/core';\nimport { FcNodeComponent } from './node.component';\n\n@Component({\n selector: 'fc-default-node',\n templateUrl: './default-node.component.html',\n styleUrls: ['./default-node.component.scss']\n})\nexport class DefaultFcNodeComponent extends FcNodeComponent {\n\n constructor() {\n super();\n }\n\n}\n","import { NgModule } from '@angular/core';\nimport { NgxFlowchartComponent } from './ngx-flowchart.component';\nimport { FcModelValidationService } from './modelvalidation.service';\nimport { FcEdgeDrawingService } from './edge-drawing.service';\nimport { CommonModule } from '@angular/common';\nimport { FcMagnetDirective } from './magnet.directive';\nimport { FcConnectorDirective } from './connector.directive';\nimport { FcNodeContainerComponent } from './node.component';\nimport { FC_NODE_COMPONENT_CONFIG } from './ngx-flowchart.models';\nimport { DefaultFcNodeComponent } from './default-node.component';\n\n@NgModule({\n entryComponents: [\n DefaultFcNodeComponent\n ],\n declarations: [NgxFlowchartComponent,\n FcMagnetDirective,\n FcConnectorDirective,\n FcNodeContainerComponent,\n DefaultFcNodeComponent],\n providers: [\n FcModelValidationService,\n FcEdgeDrawingService,\n {\n provide: FC_NODE_COMPONENT_CONFIG,\n useValue: {\n nodeComponentType: DefaultFcNodeComponent\n }\n }\n ],\n imports: [\n CommonModule\n ],\n exports: [NgxFlowchartComponent,\n FcMagnetDirective,\n FcConnectorDirective,\n DefaultFcNodeComponent]\n})\nexport class NgxFlowchartModule { 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\ No newline at end of file
diff --git a/dist/ngx-flowchart/lib/connector.directive.d.ts b/dist/ngx-flowchart/lib/connector.directive.d.ts
new file mode 100644
index 0000000..951b76c
--- /dev/null
+++ b/dist/ngx-flowchart/lib/connector.directive.d.ts
@@ -0,0 +1,20 @@
+import { ElementRef, OnChanges, OnInit, SimpleChanges } from '@angular/core';
+import { FcCallbacks, FcConnector } from './ngx-flowchart.models';
+import { FcModelService } from './model.service';
+export declare class FcConnectorDirective implements OnInit, OnChanges {
+ elementRef: ElementRef;
+ callbacks: FcCallbacks;
+ modelservice: FcModelService;
+ connector: FcConnector;
+ mouseOverConnector: FcConnector;
+ constructor(elementRef: ElementRef);
+ ngOnInit(): void;
+ ngOnChanges(changes: SimpleChanges): void;
+ private updateConnectorClass;
+ dragover(event: DragEvent): void;
+ drop(event: DragEvent): boolean;
+ dragend(event: DragEvent): void;
+ dragstart(event: DragEvent): void;
+ mouseenter(event: MouseEvent): void;
+ mouseleave(event: MouseEvent): void;
+}
diff --git a/dist/ngx-flowchart/lib/default-node.component.d.ts b/dist/ngx-flowchart/lib/default-node.component.d.ts
new file mode 100644
index 0000000..1f380db
--- /dev/null
+++ b/dist/ngx-flowchart/lib/default-node.component.d.ts
@@ -0,0 +1,4 @@
+import { FcNodeComponent } from './node.component';
+export declare class DefaultFcNodeComponent extends FcNodeComponent {
+ constructor();
+}
diff --git a/dist/ngx-flowchart/lib/edge-dragging.service.d.ts b/dist/ngx-flowchart/lib/edge-dragging.service.d.ts
new file mode 100644
index 0000000..565785f
--- /dev/null
+++ b/dist/ngx-flowchart/lib/edge-dragging.service.d.ts
@@ -0,0 +1,40 @@
+///
+import { FcModelService } from './model.service';
+import { FcConnector, FcCoords, FcEdge, FcModel } from './ngx-flowchart.models';
+import { FcEdgeDrawingService } from './edge-drawing.service';
+import { FcModelValidationService } from './modelvalidation.service';
+export declare class FcEdgeDraggingService {
+ edgeDragging: EdgeDragging;
+ private draggedEdgeSource;
+ private dragOffset;
+ private destinationHtmlElement;
+ private oldDisplayStyle;
+ private readonly modelValidation;
+ private readonly edgeDrawingService;
+ private readonly modelService;
+ private readonly model;
+ private readonly isValidEdgeCallback;
+ private readonly applyFunction;
+ private readonly dragAnimation;
+ private readonly edgeStyle;
+ constructor(modelValidation: FcModelValidationService, edgeDrawingService: FcEdgeDrawingService, modelService: FcModelService, model: FcModel, isValidEdgeCallback: (source: FcConnector, destination: FcConnector) => boolean, applyFunction: (fn: (...args: any[]) => T) => T, dragAnimation: string, edgeStyle: string);
+ dragstart(event: DragEvent, connector: FcConnector): void;
+ dragover(event: DragEvent): void;
+ dragoverConnector(event: DragEvent, connector: FcConnector): boolean;
+ dragleaveMagnet(event: DragEvent): void;
+ dragoverMagnet(event: DragEvent, connector: FcConnector): boolean;
+ dragend(event: DragEvent): void;
+ drop(event: DragEvent, targetConnector: FcConnector): boolean;
+}
+export interface EdgeDragging {
+ isDragging: boolean;
+ shadowDragStarted: boolean;
+ dragPoint1: FcCoords;
+ dragPoint2: FcCoords;
+ dragLabel?: string;
+ prevEdge?: FcEdge;
+ magnetActive?: boolean;
+ gElement?: JQuery;
+ pathElement?: JQuery;
+ circleElement?: JQuery;
+}
diff --git a/dist/ngx-flowchart/lib/edge-drawing.service.d.ts b/dist/ngx-flowchart/lib/edge-drawing.service.d.ts
new file mode 100644
index 0000000..9863e7b
--- /dev/null
+++ b/dist/ngx-flowchart/lib/edge-drawing.service.d.ts
@@ -0,0 +1,9 @@
+import { FcCoords } from './ngx-flowchart.models';
+export declare class FcEdgeDrawingService {
+ constructor();
+ getEdgeDAttribute(pt1: FcCoords, pt2: FcCoords, style: string): string;
+ getEdgeCenter(pt1: FcCoords, pt2: FcCoords): FcCoords;
+ private computeEdgeTangentOffset;
+ private computeEdgeSourceTangent;
+ private computeEdgeDestinationTangent;
+}
diff --git a/dist/ngx-flowchart/lib/magnet.directive.d.ts b/dist/ngx-flowchart/lib/magnet.directive.d.ts
new file mode 100644
index 0000000..f18993a
--- /dev/null
+++ b/dist/ngx-flowchart/lib/magnet.directive.d.ts
@@ -0,0 +1,13 @@
+import { ElementRef, OnInit } from '@angular/core';
+import { FcCallbacks, FcConnector } from './ngx-flowchart.models';
+export declare class FcMagnetDirective implements OnInit {
+ elementRef: ElementRef;
+ callbacks: FcCallbacks;
+ connector: FcConnector;
+ constructor(elementRef: ElementRef);
+ ngOnInit(): void;
+ dragover(event: DragEvent): boolean;
+ dragleave(event: DragEvent): void;
+ drop(event: DragEvent): boolean;
+ dragend(event: DragEvent): void;
+}
diff --git a/dist/ngx-flowchart/lib/model.service.d.ts b/dist/ngx-flowchart/lib/model.service.d.ts
new file mode 100644
index 0000000..2739600
--- /dev/null
+++ b/dist/ngx-flowchart/lib/model.service.d.ts
@@ -0,0 +1,89 @@
+import { FcModelValidationService } from './modelvalidation.service';
+import { FcConnector, FcCoords, FcEdge, FcItemInfo, FcModel, FcNode, FcRectBox } from './ngx-flowchart.models';
+import { Observable } from 'rxjs';
+import { ChangeDetectorRef } from '@angular/core';
+export declare class FcModelService {
+ modelValidation: FcModelValidationService;
+ model: FcModel;
+ cd: ChangeDetectorRef;
+ selectedObjects: any[];
+ connectorsHtmlElements: HtmlElementMap;
+ nodesHtmlElements: HtmlElementMap;
+ canvasHtmlElement: HTMLElement;
+ dragImage: HTMLImageElement;
+ svgHtmlElement: SVGElement;
+ dropNode: (event: Event, node: FcNode) => void;
+ createEdge: (event: Event, edge: FcEdge) => Observable;
+ edgeAddedCallback: (edge: FcEdge) => void;
+ nodeRemovedCallback: (node: FcNode) => void;
+ edgeRemovedCallback: (edge: FcEdge) => void;
+ dropTargetId: string;
+ connectors: ConnectorsModel;
+ nodes: NodesModel;
+ edges: EdgesModel;
+ constructor(modelValidation: FcModelValidationService, model: FcModel, cd: ChangeDetectorRef, selectedObjects: any[], dropNode: (event: Event, node: FcNode) => void, createEdge: (event: Event, edge: FcEdge) => Observable, edgeAddedCallback: (edge: FcEdge) => void, nodeRemovedCallback: (node: FcNode) => void, edgeRemovedCallback: (edge: FcEdge) => void, canvasHtmlElement: HTMLElement, svgHtmlElement: SVGElement);
+ detectChanges(): void;
+ selectObject(object: any): void;
+ deselectObject(object: any): void;
+ toggleSelectedObject(object: any): void;
+ isSelectedObject(object: any): boolean;
+ selectAll(): void;
+ deselectAll(): void;
+ isEditObject(object: any): boolean;
+ private inRectBox;
+ getItemInfoAtPoint(x: number, y: number): FcItemInfo;
+ getNodeAtPoint(x: number, y: number): FcNode;
+ getEdgeAtPoint(x: number, y: number): FcEdge;
+ selectAllInRect(rectBox: FcRectBox): void;
+ deleteSelected(): void;
+ isEditable(): boolean;
+ isDropSource(): boolean;
+ getDragImage(): HTMLImageElement;
+ registerCallbacks(edgeAddedCallback: (edge: FcEdge) => void, nodeRemovedCallback: (node: FcNode) => void, edgeRemovedCallback: (edge: FcEdge) => void): void;
+}
+interface HtmlElementMap {
+ [id: string]: HTMLElement;
+}
+declare abstract class AbstractFcModel {
+ modelService: FcModelService;
+ protected constructor(modelService: FcModelService);
+ select(object: T): void;
+ deselect(object: T): void;
+ toggleSelected(object: T): void;
+ isSelected(object: T): boolean;
+ isEdit(object: T): boolean;
+}
+declare class ConnectorsModel extends AbstractFcModel {
+ constructor(modelService: FcModelService);
+ getConnector(connectorId: string): FcConnector;
+ getHtmlElement(connectorId: string): HTMLElement;
+ setHtmlElement(connectorId: string, element: HTMLElement): void;
+ private _getCoords;
+ getCoords(connectorId: string): FcCoords;
+ getCenteredCoord(connectorId: string): FcCoords;
+}
+declare class NodesModel extends AbstractFcModel {
+ constructor(modelService: FcModelService);
+ getConnectorsByType(node: FcNode, type: string): Array;
+ private _addConnector;
+ delete(node: FcNode): void;
+ getSelectedNodes(): Array;
+ handleClicked(node: FcNode, ctrlKey?: boolean): void;
+ private _addNode;
+ getConnectorIds(node: FcNode): Array;
+ getNodeByConnectorId(connectorId: string): FcNode;
+ getHtmlElement(nodeId: string): HTMLElement;
+ setHtmlElement(nodeId: string, element: HTMLElement): void;
+}
+declare class EdgesModel extends AbstractFcModel {
+ constructor(modelService: FcModelService);
+ ready(edge: FcEdge): boolean;
+ sourceCoord(edge: FcEdge): FcCoords;
+ destCoord(edge: FcEdge): FcCoords;
+ delete(edge: FcEdge): void;
+ getSelectedEdges(): Array;
+ handleEdgeMouseClick(edge: FcEdge, ctrlKey?: boolean): void;
+ putEdge(edge: FcEdge): void;
+ _addEdge(event: Event, sourceConnector: FcConnector, destConnector: FcConnector, label: string): void;
+}
+export {};
diff --git a/dist/ngx-flowchart/lib/modelvalidation.service.d.ts b/dist/ngx-flowchart/lib/modelvalidation.service.d.ts
new file mode 100644
index 0000000..7e86dde
--- /dev/null
+++ b/dist/ngx-flowchart/lib/modelvalidation.service.d.ts
@@ -0,0 +1,12 @@
+import { FcConnector, FcEdge, FcModel, FcNode } from './ngx-flowchart.models';
+export declare class FcModelValidationService {
+ constructor();
+ validateModel(model: FcModel): FcModel;
+ validateNodes(nodes: Array): Array;
+ validateNode(node: FcNode): FcNode;
+ private _validateEdges;
+ validateEdges(edges: Array, nodes: Array): Array;
+ private _validateEdge;
+ validateEdge(edge: FcEdge, nodes: Array): FcEdge;
+ validateConnector(connector: FcConnector): FcConnector;
+}
diff --git a/dist/ngx-flowchart/lib/mouseover.service.d.ts b/dist/ngx-flowchart/lib/mouseover.service.d.ts
new file mode 100644
index 0000000..6715aee
--- /dev/null
+++ b/dist/ngx-flowchart/lib/mouseover.service.d.ts
@@ -0,0 +1,17 @@
+import { FcConnector, FcEdge, FcNode } from './ngx-flowchart.models';
+export declare class FcMouseOverService {
+ mouseoverscope: MouseOverScope;
+ private readonly applyFunction;
+ constructor(applyFunction: (fn: (...args: any[]) => T) => T);
+ nodeMouseOver(event: MouseEvent, node: FcNode): void;
+ nodeMouseOut(event: MouseEvent, node: FcNode): void;
+ connectorMouseEnter(event: MouseEvent, connector: FcConnector): void;
+ connectorMouseLeave(event: MouseEvent, connector: FcConnector): void;
+ edgeMouseEnter(event: MouseEvent, edge: FcEdge): void;
+ edgeMouseLeave(event: MouseEvent, edge: FcEdge): void;
+}
+export interface MouseOverScope {
+ connector: FcConnector;
+ edge: FcEdge;
+ node: FcNode;
+}
diff --git a/dist/ngx-flowchart/lib/ngx-flowchart.component.d.ts b/dist/ngx-flowchart/lib/ngx-flowchart.component.d.ts
index e03b8e9..49e273f 100644
--- a/dist/ngx-flowchart/lib/ngx-flowchart.component.d.ts
+++ b/dist/ngx-flowchart/lib/ngx-flowchart.component.d.ts
@@ -1,5 +1,82 @@
-import { OnInit } from '@angular/core';
-export declare class NgxFlowchartComponent implements OnInit {
- constructor();
+import { ChangeDetectorRef, DoCheck, ElementRef, IterableDiffers, NgZone, OnInit } from '@angular/core';
+import { FcCallbacks, FcEdge, FcModel, UserCallbacks, UserNodeCallbacks } from './ngx-flowchart.models';
+import { FcModelService } from './model.service';
+import { FcModelValidationService } from './modelvalidation.service';
+import { FcNodeDraggingService } from './node-dragging.service';
+import { FcEdgeDrawingService } from './edge-drawing.service';
+import { FcEdgeDraggingService } from './edge-dragging.service';
+import { FcMouseOverService } from './mouseover.service';
+import { FcRectangleSelectService } from './rectangleselect.service';
+export declare class NgxFlowchartComponent implements OnInit, DoCheck {
+ private elementRef;
+ private differs;
+ private modelValidation;
+ edgeDrawingService: FcEdgeDrawingService;
+ private cd;
+ private zone;
+ readonly canvasClass: string;
+ model: FcModel;
+ selectedObjects: any[];
+ edgeStyle: string;
+ userCallbacks: UserCallbacks;
+ automaticResize: boolean;
+ dragAnimation: string;
+ nodeWidth: number;
+ nodeHeight: number;
+ dropTargetId: string;
+ callbacks: FcCallbacks;
+ userNodeCallbacks: UserNodeCallbacks;
+ modelService: FcModelService;
+ nodeDraggingService: FcNodeDraggingService;
+ edgeDraggingService: FcEdgeDraggingService;
+ mouseoverService: FcMouseOverService;
+ rectangleSelectService: FcRectangleSelectService;
+ arrowDefId: string;
+ arrowDefIdSelected: string;
+ flowchartConstants: {
+ htmlPrefix: string;
+ leftConnectorType: string;
+ rightConnectorType: string;
+ curvedStyle: string;
+ lineStyle: string;
+ dragAnimationRepaint: string;
+ dragAnimationShadow: string;
+ canvasClass: string;
+ selectedClass: string;
+ editClass: string;
+ activeClass: string;
+ hoverClass: string;
+ draggingClass: string;
+ edgeClass: string;
+ edgeLabelClass: string;
+ connectorClass: string;
+ magnetClass: string;
+ nodeClass: string;
+ nodeOverlayClass: string;
+ leftConnectorClass: string;
+ rightConnectorClass: string;
+ canvasResizeThreshold: number;
+ canvasResizeStep: number;
+ };
+ private nodesDiffer;
+ private edgesDiffer;
+ constructor(elementRef: ElementRef, differs: IterableDiffers, modelValidation: FcModelValidationService, edgeDrawingService: FcEdgeDrawingService, cd: ChangeDetectorRef, zone: NgZone);
ngOnInit(): void;
+ ngDoCheck(): void;
+ getEdgeDAttribute(edge: FcEdge): string;
+ adjustCanvasSize(fit?: boolean): void;
+ canvasClick(event: MouseEvent): void;
+ edgeMouseDown(event: MouseEvent, edge: FcEdge): void;
+ edgeClick(event: MouseEvent, edge: FcEdge): void;
+ edgeRemove(event: Event, edge: FcEdge): void;
+ edgeEdit(event: Event, edge: FcEdge): void;
+ edgeDoubleClick(event: MouseEvent, edge: FcEdge): void;
+ edgeMouseOver(event: MouseEvent, edge: FcEdge): void;
+ edgeMouseEnter(event: MouseEvent, edge: FcEdge): void;
+ edgeMouseLeave(event: MouseEvent, edge: FcEdge): void;
+ dragover(event: DragEvent): void;
+ drop(event: DragEvent): void;
+ mousedown(event: MouseEvent): void;
+ mousemove(event: MouseEvent): void;
+ mouseup(event: MouseEvent): void;
}
diff --git a/dist/ngx-flowchart/lib/ngx-flowchart.models.d.ts b/dist/ngx-flowchart/lib/ngx-flowchart.models.d.ts
new file mode 100644
index 0000000..78c2ae7
--- /dev/null
+++ b/dist/ngx-flowchart/lib/ngx-flowchart.models.d.ts
@@ -0,0 +1,115 @@
+import { Observable } from 'rxjs';
+import { InjectionToken, Type } from '@angular/core';
+import { FcNodeComponent } from './node.component';
+export declare const FC_NODE_COMPONENT_CONFIG: InjectionToken;
+export interface FcNodeComponentConfig {
+ nodeComponentType: Type;
+}
+export declare const FlowchartConstants: {
+ htmlPrefix: string;
+ leftConnectorType: string;
+ rightConnectorType: string;
+ curvedStyle: string;
+ lineStyle: string;
+ dragAnimationRepaint: string;
+ dragAnimationShadow: string;
+ canvasClass: string;
+ selectedClass: string;
+ editClass: string;
+ activeClass: string;
+ hoverClass: string;
+ draggingClass: string;
+ edgeClass: string;
+ edgeLabelClass: string;
+ connectorClass: string;
+ magnetClass: string;
+ nodeClass: string;
+ nodeOverlayClass: string;
+ leftConnectorClass: string;
+ rightConnectorClass: string;
+ canvasResizeThreshold: number;
+ canvasResizeStep: number;
+};
+export interface FcCoords {
+ x?: number;
+ y?: number;
+}
+export interface FcOffset {
+ top: number;
+ left: number;
+}
+export interface FcRectBox {
+ top: number;
+ left: number;
+ right: number;
+ bottom: number;
+}
+export interface FcConnector {
+ id: string;
+ type: string;
+}
+export interface FcNode extends FcCoords {
+ id: string;
+ name: string;
+ connectors: Array;
+ readonly?: boolean;
+ [key: string]: any;
+}
+export interface FcEdge {
+ label?: string;
+ source?: string;
+ destination?: string;
+ active?: boolean;
+}
+export interface FcItemInfo {
+ node?: FcNode;
+ edge?: FcEdge;
+}
+export interface FcModel {
+ nodes: Array;
+ edges: Array;
+}
+export interface UserCallbacks {
+ dropNode?: (event: Event, node: FcNode) => void;
+ createEdge?: (event: Event, edge: FcEdge) => Observable;
+ edgeAdded?: (edge: FcEdge) => void;
+ nodeRemoved?: (node: FcNode) => void;
+ edgeRemoved?: (edge: FcEdge) => void;
+ edgeDoubleClick?: (event: MouseEvent, edge: FcEdge) => void;
+ edgeMouseOver?: (event: MouseEvent, edge: FcEdge) => void;
+ isValidEdge?: (source: FcConnector, destination: FcConnector) => boolean;
+ edgeEdit?: (event: Event, edge: FcEdge) => void;
+ nodeCallbacks?: UserNodeCallbacks;
+}
+export interface UserNodeCallbacks {
+ nodeEdit?: (event: MouseEvent, node: FcNode) => void;
+ doubleClick?: (event: MouseEvent, node: FcNode) => void;
+ mouseDown?: (event: MouseEvent, node: FcNode) => void;
+ mouseEnter?: (event: MouseEvent, node: FcNode) => void;
+ mouseLeave?: (event: MouseEvent, node: FcNode) => void;
+}
+export interface FcCallbacks {
+ nodeDragstart: (event: DragEvent, node: FcNode) => void;
+ nodeDragend: (event: DragEvent) => void;
+ edgeDragstart: (event: DragEvent, connector: FcConnector) => void;
+ edgeDragend: (event: DragEvent) => void;
+ edgeDrop: (event: DragEvent, targetConnector: FcConnector) => boolean;
+ edgeDragoverConnector: (event: DragEvent, connector: FcConnector) => boolean;
+ edgeDragoverMagnet: (event: DragEvent, connector: FcConnector) => boolean;
+ edgeDragleaveMagnet: (event: DragEvent) => void;
+ nodeMouseOver: (event: MouseEvent, node: FcNode) => void;
+ nodeMouseOut: (event: MouseEvent, node: FcNode) => void;
+ connectorMouseEnter: (event: MouseEvent, connector: FcConnector) => void;
+ connectorMouseLeave: (event: MouseEvent, connector: FcConnector) => void;
+ nodeClicked: (event: MouseEvent, node: FcNode) => void;
+}
+export interface FcAdjacentList {
+ [id: string]: {
+ incoming: number;
+ outgoing: Array;
+ };
+}
+export declare class ModelvalidationError extends Error {
+ constructor(message: string);
+}
+export declare function fcTopSort(graph: FcModel): Array