thingsboard-ngx-flowchart/projects/ngx-flowchart/src/lib/default-node.component.html

<div
  (dblclick)="userNodeCallbacks.doubleClick($event, node)">
  <div class="{{flowchartConstants.nodeOverlayClass}}"></div>
  <div class="innerNode">
    <p>{{ node.name }}</p>

    <div class="{{flowchartConstants.leftConnectorClass}}">
      <div fc-magnet [connector]="connector" [callbacks]="callbacks"
           *ngFor="let connector of modelservice.nodes.getConnectorsByType(node, flowchartConstants.leftConnectorType)">
        <div fc-connector [connector]="connector"
             [mouseOverConnector]="mouseOverConnector"
             [callbacks]="callbacks"
             [modelservice]="modelservice"></div>
      </div>
    </div>
    <div class="{{flowchartConstants.rightConnectorClass}}">
      <div fc-magnet [connector]="connector" [callbacks]="callbacks"
           *ngFor="let connector of modelservice.nodes.getConnectorsByType(node, flowchartConstants.rightConnectorType)">
        <div fc-connector [connector]="connector"
             [mouseOverConnector]="mouseOverConnector"
             [callbacks]="callbacks"
             [modelservice]="modelservice"></div>
      </div>
    </div>
  </div>
  <div *ngIf="modelservice.isEditable() && !node.readonly" class="fc-nodeedit" (click)="userNodeCallbacks.nodeEdit($event, node)">
    <i class="fa fa-pencil" aria-hidden="true"></i>
  </div>
  <div *ngIf="modelservice.isEditable() && !node.readonly" class="fc-nodedelete" (click)="modelservice.nodes.delete(node)">
    &times;
  </div>
</div>