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+/**
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+ * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
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+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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+ */
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+
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+/* globals console, window, document */
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+
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+import ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor';
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+import ArticlePluginSet from '@ckeditor/ckeditor5-core/tests/_utils/articlepluginset';
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+import HorizontalLine from '@ckeditor/ckeditor5-horizontal-line/src/horizontalline';
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+
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+import Plugin from '@ckeditor/ckeditor5-core/src/plugin';
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+import ButtonView from '@ckeditor/ckeditor5-ui/src/button/buttonview';
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+import { toWidget, viewToModelPositionOutsideModelElement } from '../../src/utils';
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+
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+class InlineWidget extends Plugin {
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+ constructor( editor ) {
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+ super( editor );
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+
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+ editor.model.schema.register( 'placeholder', {
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+ allowWhere: '$text',
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+ isObject: true,
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+ isInline: true
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+ } );
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+
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+ editor.conversion.for( 'editingDowncast' ).elementToElement( {
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+ model: 'placeholder',
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+ view: ( modelItem, viewWriter ) => {
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+ const widgetElement = createPlaceholderView( modelItem, viewWriter );
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+
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+ return toWidget( widgetElement, viewWriter );
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+ }
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+ } );
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+
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+ editor.conversion.for( 'dataDowncast' ).elementToElement( {
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+ model: 'placeholder',
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+ view: createPlaceholderView
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+ } );
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+
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+ editor.conversion.for( 'upcast' ).elementToElement( {
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+ view: 'placeholder',
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+ model: 'placeholder'
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+ } );
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+
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+ editor.editing.mapper.on(
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+ 'viewToModelPosition',
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+ viewToModelPositionOutsideModelElement( editor.model, viewElement => viewElement.name == 'placeholder' )
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+ );
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+
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+ this._createToolbarButton();
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+
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+ function createPlaceholderView( modelItem, viewWriter ) {
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+ const widgetElement = viewWriter.createContainerElement( 'placeholder' );
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+ const viewText = viewWriter.createText( '{inline-widget}' );
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+
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+ viewWriter.insert( viewWriter.createPositionAt( widgetElement, 0 ), viewText );
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+
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+ return widgetElement;
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+ }
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+ }
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+
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+ _createToolbarButton() {
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+ const editor = this.editor;
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+ const t = editor.t;
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+
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+ editor.ui.componentFactory.add( 'placeholder', locale => {
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+ const buttonView = new ButtonView( locale );
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+
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+ buttonView.set( {
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+ label: t( 'Insert placeholder' ),
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+ tooltip: true,
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+ withText: true
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+ } );
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+
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+ this.listenTo( buttonView, 'execute', () => {
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+ const model = editor.model;
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+
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+ model.change( writer => {
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+ const placeholder = writer.createElement( 'placeholder' );
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+
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+ model.insertContent( placeholder );
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+
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+ writer.setSelection( placeholder, 'on' );
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+ } );
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+ } );
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+
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+ return buttonView;
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+ } );
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+ }
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+}
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+
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+ClassicEditor
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+ .create( document.querySelector( '#editor' ), {
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+ plugins: [ ArticlePluginSet, HorizontalLine, InlineWidget ],
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+ toolbar: [
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+ 'heading',
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+ '|',
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+ 'bold',
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+ 'italic',
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+ 'link',
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+ 'bulletedList',
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+ 'numberedList',
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+ '|',
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+ 'outdent',
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+ 'indent',
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+ '|',
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+ 'blockQuote',
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+ 'horizontalLine',
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+ 'insertTable',
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+ 'mediaEmbed',
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+ 'undo',
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+ 'redo'
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+ ],
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+ image: {
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+ toolbar: [ 'imageStyle:full', 'imageStyle:side', '|', 'imageTextAlternative' ]
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+ },
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+ table: {
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+ contentToolbar: [
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+ 'tableColumn',
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+ 'tableRow',
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+ 'mergeTableCells'
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+ ]
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+ }
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+ } )
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+ .then( editor => {
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+ window.editor = editor;
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+ } )
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+ .catch( err => {
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+ console.error( err.stack );
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+ } );
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+
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