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Be consistent in using $, really fix the IE 7 event issues, and fix text selection properly with feature detection instead of browser hack

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git-svn-id: https://flot.googlecode.com/svn/trunk@49 1e0a6537-2640-0410-bfb7-f154510ff394
pull/1/head
olau@iola.dk 18 years ago
parent de8d3e2b82
commit ad3f6a7370
2 changed files with 41 additions and 45 deletions
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5
NEWS.txt
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@ -28,8 +28,9 @@ parameters, the second parameter is an optional object with
information about the axis. It has min, max, tickDecimals, tickSize.
Fixed a bug in handling single-item bar series (reported by Emil
Filipov). Fixed erratic behaviour when selecting with IE 7 (reported
by Lau Bech Lauritzen).
Filipov). Fixed erratic behaviour when interacting with the plot
with IE 7 (reported by Lau Bech Lauritzen). Prevent IE/Safari text
selection when selecting stuff on the canvas.

81
jquery.flot.js
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@ -79,7 +79,7 @@
},
shadowSize: 4
};
var canvas = null, overlay = null;
var canvas = null, overlay = null, eventHolder = null;
var ctx = null, octx = null;
var target = target_;
var xaxis = {};
@ -160,32 +160,34 @@
throw "Invalid dimensions for plot, width = " + canvasWidth + ", height = " + canvasHeight;
// the canvas
canvas = jQuery('<canvas width="' + canvasWidth + '" height="' + canvasHeight + '"></canvas>').appendTo(target).get(0);
if (jQuery.browser.msie) // excanvas hack
canvas = $('<canvas width="' + canvasWidth + '" height="' + canvasHeight + '"></canvas>').appendTo(target).get(0);
if ($.browser.msie) // excanvas hack
canvas = window.G_vmlCanvasManager.initElement(canvas);
ctx = canvas.getContext("2d");
// overlay canvas for interactive features
overlay = jQuery('<canvas style="position:absolute;left:0px;top:0px;" width="' + canvasWidth + '" height="' + canvasHeight + '"></canvas>').appendTo(target).get(0);
if (jQuery.browser.msie) // excanvas hack
overlay = $('<canvas style="position:absolute;left:0px;top:0px;" width="' + canvasWidth + '" height="' + canvasHeight + '"></canvas>').appendTo(target).get(0);
if ($.browser.msie) // excanvas hack
overlay = window.G_vmlCanvasManager.initElement(overlay);
octx = overlay.getContext("2d");
// we include the canvas in the event holder too, because IE 7
// sometimes has trouble with the stacking order
eventHolder = $([overlay, canvas]);
}
function bindEvents() {
if (options.selection.mode != null) {
$(overlay).mousedown(onMouseDown);
// we put the mouse down on canvas too, because IE 7 sometimes
// has trouble with the stacking order
$(canvas).mousedown(onMouseDown);
eventHolder.mousedown(onMouseDown);
// FIXME: temp. work-around until jQuery bug 1871 is fixed
target.get(0).onmousemove = onMouseMove;
eventHolder.each(function () {
this.onmousemove = onMouseMove;
});
}
if (options.grid.clickable)
$(overlay).click(onClick);
eventHolder.click(onClick);
}
function findDataRanges() {
@ -275,7 +277,7 @@
noTicks = canvasHeight / 60;
var delta = (axis.max - axis.min) / noTicks;
var size, generator, unit, formatter, i;
var size, generator, unit, formatter, i, magn, norm;
if (axisOptions.mode == "time") {
// pretty handling of time
@ -303,7 +305,6 @@
case 'm': c = "" + (d.getMonth() + 1); break;
case 'y': c = "" + d.getFullYear(); break;
case 'b': c = "" + monthNames[d.getMonth()]; break;
default: c;
}
r.push(c);
escape = false;
@ -363,8 +364,8 @@
// special-case the possibility of several years
if (unit == "year") {
var magn = Math.pow(10, Math.floor(Math.log(delta / timeUnitSize.year) / Math.LN10));
var norm = (delta / timeUnitSize.year) / magn;
magn = Math.pow(10, Math.floor(Math.log(delta / timeUnitSize.year) / Math.LN10));
norm = (delta / timeUnitSize.year) / magn;
if (norm < 1.5)
size = 1;
else if (norm < 3)
@ -415,8 +416,8 @@
var carry = 0;
var v = d.getTime();
do {
var v = d.getTime();
ticks.push({ v: v, label: axis.tickFormatter(v, axis) });
if (unit == "month") {
if (tickSize < 1) {
@ -483,8 +484,8 @@
if (maxDec != null && dec > maxDec)
dec = maxDec;
var magn = Math.pow(10, -dec);
var norm = delta / magn; // norm is between 1.0 and 10.0
magn = Math.pow(10, -dec);
norm = delta / magn; // norm is between 1.0 and 10.0
if (norm < 1.5)
size = 1;
@ -1313,16 +1314,14 @@
// cancel out any text selections
document.body.focus();
// prevent text selection in IE
if ($.browser == "msie") {
if (workarounds.onselectstart == null) {
workarounds.onselectstart = document.onselectstart;
document.onselectstart = function () { return false; };
}
if (workarounds.ondrag == null) {
workarounds.ondrag = document.ondrag;
document.ondrag = function () { return false; };
}
// prevent text selection and drag in old-school browsers
if (document.onselectstart !== undefined && workarounds.onselectstart == null) {
workarounds.onselectstart = document.onselectstart;
document.onselectstart = function () { return false; };
}
if (document.ondrag !== undefined && workarounds.ondrag == null) {
workarounds.ondrag = document.ondrag;
document.ondrag = function () { return false; };
}
setSelectionPos(selection.first, e);
@ -1340,7 +1339,7 @@
return;
}
var offset = $(overlay).offset();
var offset = eventHolder.offset();
var pos = {};
pos.x = e.pageX - offset.left - plotOffset.left;
pos.x = xaxis.min + pos.x / hozScale;
@ -1380,10 +1379,10 @@
}
function onSelectionMouseUp(e) {
if ($.browser == "msie") {
if (document.onselectstart !== undefined)
document.onselectstart = workarounds.onselectstart;
if (document.ondrag !== undefined)
document.ondrag = workarounds.ondrag;
}
if (selectionInterval != null) {
clearInterval(selectionInterval);
@ -1651,20 +1650,16 @@
// parse string, returns Color
function parseColor(str) {
// Some named colors to work with
// From Interface by Stefan Petre
// http://interface.eyecon.ro/
var result;
// Look for rgb(num,num,num)
if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str))
return new Color(parseInt(result[1]), parseInt(result[2]), parseInt(result[3]));
return new Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10));
// Look for rgba(num,num,num,num)
if (result = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))
return new Color(parseInt(result[1]), parseInt(result[2]), parseInt(result[3]), parseFloat(result[4]));
return new Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10), parseFloat(result[4]));
// Look for rgb(num%,num%,num%)
if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str))
return new Color(parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55);
@ -1675,14 +1670,14 @@
// Look for #a0b1c2
if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str))
return new Color(parseInt(result[1],16), parseInt(result[2],16), parseInt(result[3],16));
return new Color(parseInt(result[1], 16), parseInt(result[2], 16), parseInt(result[3], 16));
// Look for #fff
if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str))
return new Color(parseInt(result[1]+result[1],16), parseInt(result[2]+result[2],16), parseInt(result[3]+result[3],16));
return new Color(parseInt(result[1]+result[1], 16), parseInt(result[2]+result[2], 16), parseInt(result[3]+result[3], 16));
// Otherwise, we're most likely dealing with a named color
var name = jQuery.trim(str).toLowerCase();
var name = $.trim(str).toLowerCase();
if (name == "transparent")
return new Color(255, 255, 255, 0);
else {

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