/** * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ /** * @module enter/enterobserver */ import Observer from '../engine/view/observer/observer.js'; import DomEventData from '../engine/view/observer/domeventdata.js'; import { keyCodes } from '../utils/keyboard.js'; /** * Enter observer introduces the {@link module:engine/view/document~Document#enter} event. * * @extends module:engine/view/observer~Observer */ export default class EnterObserver extends Observer { constructor( document ) { super( document ); document.on( 'keydown', ( evt, data ) => { if ( this.isEnabled && data.keyCode == keyCodes.enter ) { document.fire( 'enter', new DomEventData( document, data.domEvent ) ); } } ); } /** * @inheritDoc */ observe() {} } /** * Event fired when the user presses the Enter key. * * Note: This event is fired by the {@link module:enter/enterobserver~EnterObserver observer} * (usually registered by the {@link module:enter/enter~Enter Enter feature}). * * @event module:engine/view/document~Document#event:enter * @param {module:engine/view/observer/domeventdata~DomEventData} data */