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+/**
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+ * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
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+ * For licensing, see LICENSE.md.
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+ */
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+
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+/* bender-tags: treecontroller */
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+
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+'use strict';
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+
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+import ModelDocument from '/ckeditor5/engine/treemodel/document.js';
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+import ModelElement from '/ckeditor5/engine/treemodel/element.js';
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+import ModelText from '/ckeditor5/engine/treemodel/text.js';
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+import ModelRange from '/ckeditor5/engine/treemodel/range.js';
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+import ModelPosition from '/ckeditor5/engine/treemodel/position.js';
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+
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+import ViewElement from '/ckeditor5/engine/treeview/element.js';
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+import ViewContainerElement from '/ckeditor5/engine/treeview/containerelement.js';
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+import ViewAttributeElement from '/ckeditor5/engine/treeview/attributeelement.js';
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+import ViewText from '/ckeditor5/engine/treeview/text.js';
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+import ViewWriter from '/ckeditor5/engine/treeview/writer.js';
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+
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+import Mapper from '/ckeditor5/engine/treecontroller/mapper.js';
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+import ModelConversionDispatcher from '/ckeditor5/engine/treecontroller/modelconversiondispatcher.js';
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+import {
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+ insertElement,
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+ insertText,
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+ setAttribute,
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+ removeAttribute,
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+ wrap,
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+ unwrap,
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+ move,
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+ remove
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+} from '/ckeditor5/engine/treecontroller/model-to-view-converters.js';
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+
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+let dispatcher, modelDoc, modelRoot, mapper, viewRoot, writer;
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+
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+beforeEach( () => {
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+ modelDoc = new ModelDocument();
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+ modelRoot = modelDoc.createRoot( 'root' );
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+ viewRoot = new ViewContainerElement( 'div' );
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+
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+ mapper = new Mapper();
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+ mapper.bindElements( modelRoot, viewRoot );
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+
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+ writer = new ViewWriter();
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+
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+ dispatcher = new ModelConversionDispatcher( { mapper, writer } );
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+} );
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+
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+function viewAttributesToString( item ) {
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+ let result = '';
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+
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+ for ( let key of item.getAttributeKeys() ) {
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+ let value = item.getAttribute( key );
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+
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+ if ( value ) {
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+ result += ' ' + key + '="' + value + '"';
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+ }
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+ }
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+
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+ return result;
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+}
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+
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+function viewToString( item ) {
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+ let result = '';
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+
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+ if ( item instanceof ViewText ) {
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+ result = item.data;
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+ } else {
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+ // ViewElement or ViewDocumentFragment.
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+ for ( let child of item.getChildren() ) {
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+ result += viewToString( child );
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+ }
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+
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+ if ( item instanceof ViewElement ) {
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+ result = '<' + item.name + viewAttributesToString( item ) + '>' + result + '</' + item.name + '>';
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+ }
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+ }
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+
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+ return result;
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+}
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+
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+describe( 'insertText', () => {
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+ it( 'should convert text insertion in model to view text', () => {
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+ modelRoot.appendChildren( 'foobar' );
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+ dispatcher.on( 'insert:$text', insertText() );
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+
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+ dispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div>foobar</div>' );
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+ } );
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+} );
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+
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+describe( 'insertElement', () => {
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+ it( 'should convert element insertion in model to and map positions for future converting', () => {
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+ const modelElement = new ModelElement( 'paragraph', null, 'foobar' );
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+ const viewElement = new ViewContainerElement( 'p' );
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+
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+ modelRoot.appendChildren( modelElement );
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+ dispatcher.on( 'insert:paragraph', insertElement( viewElement ) );
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+ dispatcher.on( 'insert:$text', insertText() );
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+
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+ dispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
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+ } );
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+
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+ it( 'should take view element function generator as a parameter', () => {
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+ const elementGenerator = ( data, consumable ) => {
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+ if ( consumable.consume( data.item, 'addAttribute:nice' ) ) {
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+ return new ViewContainerElement( 'div' );
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+ } else {
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+ return new ViewContainerElement( 'p' );
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+ }
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+ };
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+ const niceP = new ModelElement( 'myParagraph', { nice: true }, 'foo' );
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+ const badP = new ModelElement( 'myParagraph', null, 'bar' );
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+
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+ modelRoot.appendChildren( [ niceP, badP ] );
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+
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+ dispatcher.on( 'insert:myParagraph', insertElement( elementGenerator ) );
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+ dispatcher.on( 'insert:$text', insertText() );
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+
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+ dispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><div>foo</div><p>bar</p></div>' );
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+ } );
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+} );
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+
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+describe( 'setAttribute/removeAttribute', () => {
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+ it( 'should convert attribute insert/change/remove on a model node', () => {
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+ const modelElement = new ModelElement( 'paragraph', { class: 'foo' }, 'foobar' );
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+ const viewElement = new ViewContainerElement( 'p' );
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+
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+ modelRoot.appendChildren( modelElement );
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+ dispatcher.on( 'insert:paragraph', insertElement( viewElement ) );
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+ dispatcher.on( 'insert:$text', insertText() );
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+ dispatcher.on( 'addAttribute:class', setAttribute() );
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+ dispatcher.on( 'changeAttribute:class', setAttribute() );
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+ dispatcher.on( 'removeAttribute:class', removeAttribute() );
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+
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+ dispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><p class="foo">foobar</p></div>' );
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+
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+ modelElement.setAttribute( 'class', 'bar' );
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+ dispatcher.convertAttribute( 'changeAttribute', ModelRange.createOnElement( modelElement ), 'class', 'foo', 'bar' );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><p class="bar">foobar</p></div>' );
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+
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+ modelElement.removeAttribute( 'class' );
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+ dispatcher.convertAttribute( 'removeAttribute', ModelRange.createOnElement( modelElement ), 'class', 'bar', null );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
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+ } );
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+
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+ it( 'should convert insert/change/remove with attribute generating function as a parameter', () => {
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+ const modelParagraph = new ModelElement( 'paragraph', { theme: 'nice' }, 'foobar' );
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+ const modelDiv = new ModelElement( 'div', { theme: 'nice' } );
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+
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+ const themeConverter = ( data ) => {
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+ const key = 'class';
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+ let value = data.attributeNewValue;
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+
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+ if ( value && data.item instanceof ModelElement && data.item.getChildCount() > 0 ) {
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+ value += ' ' + 'fix-content';
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+ }
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+
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+ return { key, value };
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+ };
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+
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+ modelRoot.appendChildren( [ modelParagraph, modelDiv ] );
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+ dispatcher.on( 'insert:paragraph', insertElement( new ViewContainerElement( 'p' ) ) );
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+ dispatcher.on( 'insert:div', insertElement( new ViewContainerElement( 'div' ) ) );
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+ dispatcher.on( 'insert:$text', insertText() );
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+ dispatcher.on( 'addAttribute:theme', setAttribute( themeConverter ) );
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+ dispatcher.on( 'changeAttribute:theme', setAttribute( themeConverter ) );
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+ dispatcher.on( 'removeAttribute:theme', removeAttribute( themeConverter ) );
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+
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+ dispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><p class="nice fix-content">foobar</p><div class="nice"></div></div>' );
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+
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+ modelParagraph.setAttribute( 'theme', 'awesome' );
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+ dispatcher.convertAttribute( 'changeAttribute', ModelRange.createOnElement( modelParagraph ), 'theme', 'nice', 'awesome' );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><p class="awesome fix-content">foobar</p><div class="nice"></div></div>' );
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+
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+ modelParagraph.removeAttribute( 'theme' );
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+ dispatcher.convertAttribute( 'removeAttribute', ModelRange.createOnElement( modelParagraph ), 'theme', 'awesome', null );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p><div class="nice"></div></div>' );
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+ } );
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+} );
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+
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+describe( 'wrap/unwrap', () => {
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+ it( 'should convert insert/remove of attribute in model into wrapping element in a view', () => {
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+ const modelElement = new ModelElement( 'paragraph', null, new ModelText( 'foobar', { bold: true } ) );
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+ const viewP = new ViewContainerElement( 'p' );
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+ const viewB = new ViewAttributeElement( 'b' );
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+
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+ modelRoot.appendChildren( modelElement );
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+ dispatcher.on( 'insert:paragraph', insertElement( viewP ) );
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+ dispatcher.on( 'insert:$text', insertText() );
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+ dispatcher.on( 'addAttribute:bold', wrap( viewB ) );
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+ dispatcher.on( 'removeAttribute:bold', unwrap( viewB ) );
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+
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+ dispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><p><b>foobar</b></p></div>' );
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+
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+ for ( let value of ModelRange.createFromElement( modelElement ) ) {
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+ value.item.removeAttribute( 'bold' );
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+ }
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+
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+ dispatcher.convertAttribute( 'removeAttribute', ModelRange.createFromElement( modelElement ), 'bold', true, null );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
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+ } );
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+
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+ it( 'should convert insert/remove of attribute in model with wrapping element generating function as a parameter', () => {
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+ const modelElement = new ModelElement( 'paragraph', null, new ModelText( 'foobar', { style: 'bold' } ) );
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+ const viewP = new ViewContainerElement( 'p' );
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+
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+ const elementGenerator = ( value ) => {
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+ if ( value == 'bold' ) {
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+ return new ViewAttributeElement( 'b' );
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+ }
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+ };
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+
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+ modelRoot.appendChildren( modelElement );
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+ dispatcher.on( 'insert:paragraph', insertElement( viewP ) );
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+ dispatcher.on( 'insert:$text', insertText() );
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+ dispatcher.on( 'addAttribute:style', wrap( elementGenerator ) );
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+ dispatcher.on( 'removeAttribute:style', unwrap( elementGenerator ) );
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+
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+ dispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><p><b>foobar</b></p></div>' );
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+
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+ for ( let value of ModelRange.createFromElement( modelElement ) ) {
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+ value.item.removeAttribute( 'style' );
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+ }
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+
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+ dispatcher.convertAttribute( 'removeAttribute', ModelRange.createFromElement( modelElement ), 'style', 'bold', null );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
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+ } );
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+} );
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+
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+describe( 'move', () => {
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+ it( 'should move items in view accordingly to changes in model', () => {
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+ const modelDivA = new ModelElement( 'div', null, [ 'foo', new ModelElement( 'image' ) ] );
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+ const modelDivB = new ModelElement( 'div', null, [ 'xxyy' ] );
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+
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+ modelRoot.appendChildren( [ modelDivA, modelDivB ] );
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+ dispatcher.on( 'insert:div', insertElement( new ViewContainerElement( 'div' ) ) );
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+ dispatcher.on( 'insert:image', insertElement( new ViewContainerElement( 'img' ) ) );
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+ dispatcher.on( 'insert:$text', insertText() );
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+ dispatcher.on( 'move', move() );
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+
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+ dispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
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+
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+ const removedNodes = modelDivA.removeChildren( 2, 2 );
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+ modelDivB.insertChildren( 2, removedNodes );
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+
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+ dispatcher.convertMove(
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+ ModelPosition.createFromParentAndOffset( modelDivA, 2 ),
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+ ModelRange.createFromParentsAndOffsets( modelDivB, 2, modelDivB, 4 )
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+ );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><div>fo</div><div>xxo<img></img>yy</div></div>' );
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+ } );
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+} );
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+
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+describe( 'remove', () => {
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+ it( 'should remove items from view accordingly to changes in model', () => {
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+ const modelDiv = new ModelElement( 'div', null, [ 'foo', new ModelElement( 'image' ) ] );
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+
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+ modelRoot.appendChildren( modelDiv );
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+ dispatcher.on( 'insert:div', insertElement( new ViewContainerElement( 'div' ) ) );
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+ dispatcher.on( 'insert:image', insertElement( new ViewContainerElement( 'img' ) ) );
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+ dispatcher.on( 'insert:$text', insertText() );
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+ dispatcher.on( 'remove', remove() );
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+
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+ dispatcher.convertInsert( ModelRange.createFromElement( modelRoot ) );
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+
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+ const removedNodes = modelDiv.removeChildren( 2, 2 );
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+ modelDoc.graveyard.insertChildren( 2, removedNodes );
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+
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+ dispatcher.convertRemove(
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+ ModelPosition.createFromParentAndOffset( modelDiv, 2 ),
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+ ModelRange.createFromParentsAndOffsets( modelDoc.graveyard, 0, modelDoc.graveyard, 2 )
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+ );
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+
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+ expect( viewToString( viewRoot ) ).to.equal( '<div><div>fo</div></div>' );
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+ } );
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+} );
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