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- /**
- * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
- /**
- * @module code-block/codeblockui
- */
- import Plugin from '@ckeditor/ckeditor5-core/src/plugin';
- import Collection from '@ckeditor/ckeditor5-utils/src/collection';
- import Model from '@ckeditor/ckeditor5-ui/src/model';
- import SplitButtonView from '@ckeditor/ckeditor5-ui/src/dropdown/button/splitbuttonview';
- import { createDropdown, addListToDropdown } from '@ckeditor/ckeditor5-ui/src/dropdown/utils';
- import { getNormalizedAndLocalizedLanguageDefinitions } from './utils';
- import codeBlockIcon from '../theme/icons/codeblock.svg';
- import '../theme/codeblock.css';
- /**
- * The code block UI plugin.
- *
- * Introduces the `'codeBlock'` dropdown.
- *
- * @extends module:core/plugin~Plugin
- */
- export default class CodeBlockUI extends Plugin {
- /**
- * @inheritDoc
- */
- init() {
- const editor = this.editor;
- const t = editor.t;
- const componentFactory = editor.ui.componentFactory;
- const normalizedLanguageDefs = getNormalizedAndLocalizedLanguageDefinitions( editor );
- const defaultLanguageDefinition = normalizedLanguageDefs[ 0 ];
- componentFactory.add( 'codeBlock', locale => {
- const command = editor.commands.get( 'codeBlock' );
- const dropdownView = createDropdown( locale, SplitButtonView );
- const splitButtonView = dropdownView.buttonView;
- splitButtonView.set( {
- label: t( 'Insert code block' ),
- tooltip: true,
- icon: codeBlockIcon,
- isToggleable: true
- } );
- splitButtonView.bind( 'isOn' ).to( command, 'value', value => !!value );
- splitButtonView.on( 'execute', () => {
- editor.execute( 'codeBlock', {
- language: defaultLanguageDefinition.language,
- } );
- editor.editing.view.focus();
- } );
- dropdownView.on( 'execute', evt => {
- editor.execute( 'codeBlock', {
- language: evt.source._codeBlockLanguage,
- forceValue: true
- } );
- editor.editing.view.focus();
- } );
- dropdownView.class = 'ck-code-block-dropdown';
- dropdownView.bind( 'isEnabled' ).to( command );
- addListToDropdown( dropdownView, this._getLanguageListItemDefinitions( normalizedLanguageDefs ) );
- return dropdownView;
- } );
- }
- /**
- * A helper returning a collection of the `codeBlock` dropdown items representing languages
- * available for the user to choose from.
- *
- * @private
- * @param {Array.<module:code-block/codeblock~CodeBlockLanguageDefinition>} normalizedLanguageDefs
- * @returns {Iterable.<module:ui/dropdown/utils~ListDropdownItemDefinition>}
- */
- _getLanguageListItemDefinitions( normalizedLanguageDefs ) {
- const editor = this.editor;
- const command = editor.commands.get( 'codeBlock' );
- const itemDefinitions = new Collection();
- for ( const languageDef of normalizedLanguageDefs ) {
- const definition = {
- type: 'button',
- model: new Model( {
- _codeBlockLanguage: languageDef.language,
- label: languageDef.label,
- withText: true
- } )
- };
- definition.model.bind( 'isOn' ).to( command, 'value', value => {
- return value === definition.model._codeBlockLanguage;
- } );
- itemDefinitions.add( definition );
- }
- return itemDefinitions;
- }
- }
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