clickobserver.js 1.1 KB

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  1. /**
  2. * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* global console:false */
  6. 'use strict';
  7. import TreeView from '/ckeditor5/core/treeview/treeview.js';
  8. import DomEventObserver from '/ckeditor5/core/treeview/observer/domeventobserver.js';
  9. const treeView = new TreeView();
  10. class ClickObserver extends DomEventObserver {
  11. constructor( id ) {
  12. super();
  13. this.id = id;
  14. this.domEventType = 'click';
  15. }
  16. onDomEvent( domEvt ) {
  17. this.fire( 'click', this.id, domEvt.target.id );
  18. }
  19. }
  20. const observer1 = new ClickObserver( 1 );
  21. const observer2 = new ClickObserver( 2 );
  22. treeView.on( 'click', ( evt, eventId, elementId ) => console.log( 'click', eventId, elementId ) );
  23. document.getElementById( 'enable1' ).addEventListener( 'click', () => observer1.enable() );
  24. document.getElementById( 'disable1' ).addEventListener( 'click', () => observer1.disable() );
  25. // Random order
  26. treeView.addObserver( observer1 );
  27. treeView.createRoot( document.getElementById( 'clickerA' ), 'clickerA' );
  28. treeView.addObserver( observer2 );
  29. treeView.createRoot( document.getElementById( 'clickerB' ), 'clickerB' );