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- /**
- * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- 'use strict';
- import DomEventObserver from './domeventobserver.js';
- import { getCode } from '../../../utils/keyboard.js';
- /**
- * {@link engine.treeView.Document#keydown Key down} event observer.
- *
- * @memberOf engine.treeView.observer
- * @extends engine.treeView.observer.DomEventObserver
- */
- export default class KeyObserver extends DomEventObserver {
- constructor( document ) {
- super( document );
- this.domEventType = 'keydown';
- }
- onDomEvent( domEvt ) {
- this.fire( 'keydown', domEvt, {
- keyCode: domEvt.keyCode,
- altKey: domEvt.altKey,
- ctrlKey: domEvt.ctrlKey || domEvt.metaKey,
- shiftKey: domEvt.shiftKey,
- get keystroke() {
- return getCode( this );
- }
- } );
- }
- }
- /**
- * Fired when a key has been pressed.
- *
- * @event engine.treeView.Document#keydown
- * @param {engine.treeView.observer.keyObserver.KeyEventData} keyEventData
- */
- /**
- * The value of the {@link engine.treeView.Document#keydown} event.
- *
- * @class engine.treeView.observer.keyObserver.KeyEventData
- * @extends engine.treeView.observer.DomEventData
- * @implements utils.keyboard.KeystrokeData
- */
- /**
- * Code of the whole keystroke. See {@link utils.keyboard.getCode}.
- *
- * @readonly
- * @member {Number} engine.treeView.observer.keyObserver.KeyEventData#keystroke
- */
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