/** * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ /** * @module basic-styles/underline */ import Plugin from '@ckeditor/ckeditor5-core/src/plugin'; import UnderlineEngine from './underlineengine'; import ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview'; import underlineIcon from '../theme/icons/underline.svg'; /** * The underline feature. It introduces the Underline button and the Ctrl+U keystroke. * * It uses the {@link module:basic-styles/underlineengine~UnderlineEngine underline engine feature}. * * @extends module:core/plugin~Plugin */ export default class Underline extends Plugin { /** * @inheritDoc */ static get requires() { return [ UnderlineEngine ]; } /** * @inheritDoc */ static get pluginName() { return 'Underline'; } /** * @inheritDoc */ init() { const editor = this.editor; const t = editor.t; const command = editor.commands.get( 'underline' ); const keystroke = 'CTRL+U'; // Add bold button to feature components. editor.ui.componentFactory.add( 'underline', locale => { const view = new ButtonView( locale ); view.set( { label: t( 'Underline' ), icon: underlineIcon, keystroke, tooltip: true } ); view.bind( 'isOn', 'isEnabled' ).to( command, 'value', 'isEnabled' ); // Execute command. this.listenTo( view, 'execute', () => editor.execute( 'underline' ) ); return view; } ); // Set the Ctrl+U keystroke. editor.keystrokes.set( keystroke, 'underline' ); } }