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Merge pull request #96 from ckeditor/t/ckeditor5/488
Other: Align feature class naming to a new scheme.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| /** | ||
| * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved. | ||
| * For licensing, see LICENSE.md. | ||
| */ | ||
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| /** | ||
| * @module heading/headingui | ||
| */ | ||
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| import Plugin from '@ckeditor/ckeditor5-core/src/plugin'; | ||
| import Model from '@ckeditor/ckeditor5-ui/src/model'; | ||
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| import { createDropdown, addListToDropdown } from '@ckeditor/ckeditor5-ui/src/dropdown/utils'; | ||
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| import Collection from '@ckeditor/ckeditor5-utils/src/collection'; | ||
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| import '../theme/heading.css'; | ||
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| /** | ||
| * The headings UI feature. It introduces the `headings` drop-down. | ||
| * | ||
| * @extends module:core/plugin~Plugin | ||
| */ | ||
| export default class HeadingUI extends Plugin { | ||
| /** | ||
| * @inheritDoc | ||
| */ | ||
| init() { | ||
| const editor = this.editor; | ||
| const t = editor.t; | ||
| const options = this._getLocalizedOptions(); | ||
| const defaultTitle = t( 'Choose heading' ); | ||
| const dropdownTooltip = t( 'Heading' ); | ||
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| // Register UI component. | ||
| editor.ui.componentFactory.add( 'headings', locale => { | ||
| const commands = []; | ||
| const dropdownItems = new Collection(); | ||
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| for ( const option of options ) { | ||
| const command = editor.commands.get( option.model ); | ||
| const itemModel = new Model( { | ||
| commandName: option.model, | ||
| label: option.title, | ||
| class: option.class | ||
| } ); | ||
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| itemModel.bind( 'isActive' ).to( command, 'value' ); | ||
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| // Add the option to the collection. | ||
| dropdownItems.add( itemModel ); | ||
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| commands.push( command ); | ||
| } | ||
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| const dropdownView = createDropdown( locale ); | ||
| addListToDropdown( dropdownView, dropdownItems ); | ||
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| dropdownView.buttonView.set( { | ||
| isOn: false, | ||
| withText: true, | ||
| tooltip: dropdownTooltip | ||
| } ); | ||
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| dropdownView.extendTemplate( { | ||
| attributes: { | ||
| class: [ | ||
| 'ck-heading-dropdown' | ||
| ] | ||
| } | ||
| } ); | ||
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| dropdownView.bind( 'isEnabled' ).toMany( commands, 'isEnabled', ( ...areEnabled ) => { | ||
| return areEnabled.some( isEnabled => isEnabled ); | ||
| } ); | ||
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| dropdownView.buttonView.bind( 'label' ).toMany( commands, 'value', ( ...areActive ) => { | ||
| const index = areActive.findIndex( value => value ); | ||
|
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| // If none of the commands is active, display default title. | ||
| return options[ index ] ? options[ index ].title : defaultTitle; | ||
| } ); | ||
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| // Execute command when an item from the dropdown is selected. | ||
| this.listenTo( dropdownView, 'execute', evt => { | ||
| editor.execute( evt.source.commandName ); | ||
| editor.editing.view.focus(); | ||
| } ); | ||
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| return dropdownView; | ||
| } ); | ||
| } | ||
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| /** | ||
| * Returns heading options as defined in `config.heading.options` but processed to consider | ||
| * editor localization, i.e. to display {@link module:heading/heading~HeadingOption} | ||
| * in the correct language. | ||
| * | ||
| * Note: The reason behind this method is that there's no way to use {@link module:utils/locale~Locale#t} | ||
| * when the user config is defined because the editor does not exist yet. | ||
| * | ||
| * @private | ||
| * @returns {Array.<module:heading/heading~HeadingOption>}. | ||
| */ | ||
| _getLocalizedOptions() { | ||
| const editor = this.editor; | ||
| const t = editor.t; | ||
| const localizedTitles = { | ||
| Paragraph: t( 'Paragraph' ), | ||
| 'Heading 1': t( 'Heading 1' ), | ||
| 'Heading 2': t( 'Heading 2' ), | ||
| 'Heading 3': t( 'Heading 3' ) | ||
| }; | ||
|
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| return editor.config.get( 'heading.options' ).map( option => { | ||
| const title = localizedTitles[ option.title ]; | ||
|
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| if ( title && title != option.title ) { | ||
| // Clone the option to avoid altering the original `config.heading.options`. | ||
| option = Object.assign( {}, option, { title } ); | ||
| } | ||
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| return option; | ||
| } ); | ||
| } | ||
| } |
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