/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ /* globals document, HTMLElement */ import ViewUIElement from '../../../src/view/uielement'; import ViewContainer from '../../../src/view/containerelement'; import DomConverter from '../../../src/view/domconverter'; import ViewDocument from '../../../src/view/document'; import { StylesProcessor } from '../../../src/view/stylesmap'; describe( 'DOMConverter UIElement integration', () => { let converter, viewDocument; function createUIElement( name ) { const element = new ViewUIElement( viewDocument, name ); element.render = function( domDocument ) { const root = this.toDomElement( domDocument ); root.innerHTML = '
foo bar
'; return root; }; return element; } beforeEach( () => { viewDocument = new ViewDocument( new StylesProcessor() ); converter = new DomConverter( viewDocument ); } ); describe( 'viewToDom()', () => { it( 'should create DOM element from UIElement', () => { const uiElement = new ViewUIElement( viewDocument, 'div' ); const domElement = converter.viewToDom( uiElement, document ); expect( domElement ).to.be.instanceOf( HTMLElement ); } ); it( 'should create DOM structure from UIElement', () => { const myElement = createUIElement( 'div' ); const domElement = converter.viewToDom( myElement, document ); expect( domElement ).to.be.instanceOf( HTMLElement ); expect( domElement.innerHTML ).to.equal( 'foo bar
' ); } ); it( 'should create DOM structure that all is mapped to single UIElement', () => { const myElement = createUIElement( 'div' ); const domElement = converter.viewToDom( myElement, document, { bind: true } ); const domParagraph = domElement.childNodes[ 0 ]; expect( converter.mapDomToView( domElement ) ).to.equal( myElement ); expect( converter.mapDomToView( domParagraph ) ).to.equal( myElement ); expect( converter.mapDomToView( domParagraph.childNodes[ 0 ] ) ).to.equal( myElement ); } ); } ); describe( 'domToView()', () => { it( 'should return UIElement itself', () => { const uiElement = createUIElement( 'div' ); const domElement = converter.viewToDom( uiElement, document, { bind: true } ); expect( converter.domToView( domElement ) ).to.equal( uiElement ); } ); it( 'should return UIElement for nodes inside', () => { const uiElement = createUIElement( 'div' ); const domElement = converter.viewToDom( uiElement, document, { bind: true } ); const domParagraph = domElement.childNodes[ 0 ]; const domSpan = domParagraph.childNodes[ 0 ]; expect( converter.domToView( domParagraph ) ).to.equal( uiElement ); expect( converter.domToView( domSpan ) ).to.equal( uiElement ); expect( converter.domToView( domParagraph.childNodes[ 0 ] ) ).equal( uiElement ); expect( converter.domToView( domSpan.childNodes[ 0 ] ) ).equal( uiElement ); } ); } ); describe( 'domPositionToView()', () => { it( 'should convert position inside UIElement to position before it', () => { const uiElement = createUIElement( 'h1' ); const container = new ViewContainer( viewDocument, 'div', null, [ new ViewContainer( viewDocument, 'div' ), uiElement ] ); const domContainer = converter.viewToDom( container, document, { bind: true } ); const viewPosition = converter.domPositionToView( domContainer.childNodes[ 1 ], 0 ); expect( viewPosition.parent ).to.equal( container ); expect( viewPosition.offset ).to.equal( 1 ); } ); it( 'should convert position inside UIElement children to position before UIElement', () => { const uiElement = createUIElement( 'h1' ); const container = new ViewContainer( viewDocument, 'div', null, [ new ViewContainer( viewDocument, 'div' ), uiElement ] ); const domContainer = converter.viewToDom( container, document, { bind: true } ); const viewPosition = converter.domPositionToView( domContainer.childNodes[ 1 ].childNodes[ 0 ], 1 ); expect( viewPosition.parent ).to.equal( container ); expect( viewPosition.offset ).to.equal( 1 ); } ); } ); describe( 'mapDomToView()', () => { it( 'should return UIElement for DOM elements inside', () => { const myElement = createUIElement( 'div' ); const domElement = converter.viewToDom( myElement, document, { bind: true } ); expect( converter.mapDomToView( domElement ) ).to.equal( myElement ); const domParagraph = domElement.childNodes[ 0 ]; expect( converter.mapDomToView( domParagraph ) ).to.equal( myElement ); const domSpan = domParagraph.childNodes[ 0 ]; expect( converter.mapDomToView( domSpan ) ).to.equal( myElement ); } ); } ); describe( 'findCorrespondingViewText()', () => { it( 'should return UIElement for DOM text inside', () => { const myElement = createUIElement( 'div' ); const domElement = converter.viewToDom( myElement, document, { bind: true } ); const domText = domElement.querySelector( 'span' ).childNodes[ 0 ]; expect( converter.findCorrespondingViewText( domText ) ).to.equal( myElement ); } ); } ); describe( 'getHostViewElement()', () => { it( 'should return UIElement for DOM children', () => { const uiElement = createUIElement( 'div' ); const domElement = converter.viewToDom( uiElement, document, { bind: true } ); const domParagraph = domElement.childNodes[ 0 ]; const domSpan = domParagraph.childNodes[ 0 ]; expect( converter.getHostViewElement( domParagraph ) ).to.equal( uiElement ); expect( converter.getHostViewElement( domSpan ) ).to.equal( uiElement ); } ); it( 'should return null for element itself', () => { const uiElement = createUIElement( 'div' ); const domElement = converter.viewToDom( uiElement, document, { bind: true } ); expect( converter.getHostViewElement( domElement ) ).to.be.null; } ); } ); } );