/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ import Mapper from '../../src/conversion/mapper'; import ModelElement from '../../src/model/element'; import ModelRootElement from '../../src/model/rootelement'; import ModelText from '../../src/model/text'; import ModelPosition from '../../src/model/position'; import ModelRange from '../../src/model/range'; import ViewDocument from '../../src/view/document'; import ViewElement from '../../src/view/element'; import ViewUIElement from '../../src/view/uielement'; import ViewText from '../../src/view/text'; import ViewPosition from '../../src/view/position'; import ViewRange from '../../src/view/range'; import { StylesProcessor } from '../../src/view/stylesmap'; describe( 'Mapper', () => { let viewDocument; beforeEach( () => { viewDocument = new ViewDocument( new StylesProcessor() ); } ); describe( 'clearBindings', () => { it( 'should remove all mapping', () => { const viewA = new ViewElement( viewDocument, 'a' ); const viewB = new ViewElement( viewDocument, 'b' ); const viewC = new ViewElement( viewDocument, 'c' ); const viewD = new ViewElement( viewDocument, 'd' ); const modelA = new ModelElement( 'a' ); const modelB = new ModelElement( 'b' ); const modelC = new ModelElement( 'c' ); const modelD = new ModelElement( 'd' ); const mapper = new Mapper(); mapper.bindElements( modelA, viewA ); mapper.bindElements( modelB, viewB ); mapper.bindElements( modelC, viewC ); mapper.bindElements( modelD, viewD ); mapper.bindElementToMarker( viewA, 'foo' ); mapper.bindElementToMarker( viewD, 'foo' ); mapper.bindElementToMarker( viewD, 'bar' ); expect( mapper.toModelElement( viewA ) ).to.equal( modelA ); expect( mapper.toModelElement( viewB ) ).to.equal( modelB ); expect( mapper.toModelElement( viewC ) ).to.equal( modelC ); expect( mapper.toViewElement( modelA ) ).to.equal( viewA ); expect( mapper.toViewElement( modelB ) ).to.equal( viewB ); expect( mapper.toViewElement( modelC ) ).to.equal( viewC ); expect( Array.from( mapper.markerNameToElements( 'foo' ) ) ).to.deep.equal( [ viewA, viewD ] ); mapper.unbindViewElement( viewD ); mapper.clearBindings(); expect( mapper.toModelElement( viewA ) ).to.be.undefined; expect( mapper.toModelElement( viewB ) ).to.be.undefined; expect( mapper.toModelElement( viewC ) ).to.be.undefined; expect( mapper.toViewElement( modelA ) ).to.be.undefined; expect( mapper.toViewElement( modelB ) ).to.be.undefined; expect( mapper.toViewElement( modelC ) ).to.be.undefined; expect( mapper.markerNameToElements( 'foo' ) ).to.be.null; expect( mapper.flushUnboundMarkerNames() ).to.deep.equal( [] ); } ); } ); describe( 'unbindModelElement', () => { it( 'should remove binding between given model element and view element that it was bound to', () => { const viewA = new ViewElement( viewDocument, 'a' ); const modelA = new ModelElement( 'a' ); const mapper = new Mapper(); mapper.bindElements( modelA, viewA ); expect( mapper.toModelElement( viewA ) ).to.equal( modelA ); expect( mapper.toViewElement( modelA ) ).to.equal( viewA ); mapper.unbindModelElement( modelA ); expect( mapper.toModelElement( viewA ) ).to.be.undefined; expect( mapper.toViewElement( modelA ) ).to.be.undefined; } ); it( 'should not remove binding between view and model element if view element got rebound', () => { const viewA = new ViewElement( viewDocument, 'a' ); const modelA = new ModelElement( 'a' ); const modelB = new ModelElement( 'b' ); const mapper = new Mapper(); mapper.bindElements( modelA, viewA ); mapper.bindElements( modelB, viewA ); // `modelA` is still bound to `viewA` even though `viewA` got rebound. expect( mapper.toViewElement( modelA ) ).to.equal( viewA ); mapper.unbindModelElement( modelA ); expect( mapper.toViewElement( modelA ) ).to.be.undefined; expect( mapper.toModelElement( viewA ) ).to.equal( modelB ); } ); } ); describe( 'unbindViewElement', () => { it( 'should remove binding between given view element and model element that it was bound to', () => { const viewA = new ViewElement( viewDocument, 'a' ); const modelA = new ModelElement( 'a' ); const mapper = new Mapper(); mapper.bindElements( modelA, viewA ); expect( mapper.toModelElement( viewA ) ).to.equal( modelA ); expect( mapper.toViewElement( modelA ) ).to.equal( viewA ); mapper.unbindViewElement( viewA ); expect( mapper.toModelElement( viewA ) ).to.be.undefined; expect( mapper.toViewElement( modelA ) ).to.be.undefined; } ); it( 'should not remove binding between model and view element if model element got rebound', () => { const viewA = new ViewElement( viewDocument, 'a' ); const viewB = new ViewElement( viewDocument, 'b' ); const modelA = new ModelElement( 'a' ); const mapper = new Mapper(); mapper.bindElements( modelA, viewA ); mapper.bindElements( modelA, viewB ); // `viewA` is still bound to `modelA`, even though `modelA` got rebound. expect( mapper.toModelElement( viewA ) ).to.equal( modelA ); mapper.unbindViewElement( viewA ); expect( mapper.toModelElement( viewA ) ).to.be.undefined; expect( mapper.toViewElement( modelA ) ).to.equal( viewB ); } ); } ); describe( 'Standard mapping', () => { let modelDiv, modelP, modelImg, viewDiv, viewP, viewB, viewI, viewU, viewSup, viewImg, viewTextB, viewTextO, viewTextM, viewTextX, viewTextY, viewTextZZ, viewTextFOO, viewTextBAR, mapper; beforeEach( () => { // Tree Model: // //
---> modelDiv // ├─ x // ├─

---> modelP // │ ├─ y // │ ├─ f {b,i} // │ ├─ o {b,i} // │ ├─ o {b,i} // │ ├─ b // │ ├─ a // │ ├─ r // │ ├─ ---> modelImg // │ ├─ b {u} // │ ├─ o {u,sup} // │ └─ m {u} // ├─ z // └─ z // // Tree View: // //

---> viewDiv // ├─ x ---> viewTextX // ├─

---> viewP // │ ├─ y ---> viewTextY // │ ├─ ---> viewB // │ │ └─ ---> viewI // │ │ └─ foo ---> viewTextFOO // │ ├─ bar ---> viewTextBAR // │ ├─ ---> viewImg // │ └─ ---> viewU // │ ├─ b ---> viewTextB // │ ├─ ---> viewSup // │ │ └─ o ---> viewTextO // │ └─ m ---> viewTextM // └─ zz ---> viewTextZZ modelImg = new ModelElement( 'img' ); modelP = new ModelElement( 'p', {}, [ new ModelText( 'y' ), new ModelText( 'foo', { b: true, i: true } ), new ModelText( 'bar' ), modelImg, new ModelText( 'b', { u: true } ), new ModelText( 'o', { u: true, sup: true } ), new ModelText( 'm', { u: true } ) ] ); modelDiv = new ModelRootElement(); modelDiv._appendChild( [ new ModelText( 'x' ), modelP, new ModelText( 'zz' ) ] ); viewTextB = new ViewText( viewDocument, 'b' ); viewTextO = new ViewText( viewDocument, 'o' ); viewTextM = new ViewText( viewDocument, 'm' ); viewTextX = new ViewText( viewDocument, 'x' ); viewTextY = new ViewText( viewDocument, 'y' ); viewTextZZ = new ViewText( viewDocument, 'zz' ); viewTextFOO = new ViewText( viewDocument, 'foo' ); viewTextBAR = new ViewText( viewDocument, 'bar' ); viewImg = new ViewElement( viewDocument, 'img' ); viewSup = new ViewElement( viewDocument, 'sup', {}, [ viewTextO ] ); viewU = new ViewElement( viewDocument, 'u', {}, [ viewTextB, viewSup, viewTextM ] ); viewI = new ViewElement( viewDocument, 'i', {}, [ viewTextFOO ] ); viewB = new ViewElement( viewDocument, 'b', {}, [ viewI ] ); viewP = new ViewElement( viewDocument, 'p', {}, [ viewTextY, viewB, viewTextBAR, viewImg, viewU ] ); viewDiv = new ViewElement( viewDocument, 'div', {}, [ viewTextX, viewP, viewTextZZ ] ); mapper = new Mapper(); mapper.bindElements( modelP, viewP ); mapper.bindElements( modelDiv, viewDiv ); mapper.bindElements( modelImg, viewImg ); } ); describe( 'toModelElement', () => { it( 'should return corresponding model element', () => { expect( mapper.toModelElement( viewP ) ).to.equal( modelP ); expect( mapper.toModelElement( viewDiv ) ).to.equal( modelDiv ); expect( mapper.toModelElement( viewImg ) ).to.equal( modelImg ); } ); } ); describe( 'toViewElement', () => { it( 'should return corresponding view element', () => { expect( mapper.toViewElement( modelP ) ).to.equal( viewP ); expect( mapper.toViewElement( modelDiv ) ).to.equal( viewDiv ); expect( mapper.toViewElement( modelImg ) ).to.equal( viewImg ); } ); } ); describe( 'toModelPosition', () => { it( 'should fire viewToModelPosition event and return value calculated in callback to that event', () => { const viewPosition = new ViewPosition( viewDiv, 0 ); const stub = {}; mapper.on( 'viewToModelPosition', ( evt, data ) => { expect( data.viewPosition.isEqual( viewPosition ) ).to.be.true; data.modelPosition = stub; // Do not stop the event. Test whether default algorithm was not called if data.modelPosition is already set. } ); const result = mapper.toModelPosition( viewPosition ); expect( result ).to.equal( stub ); } ); it( 'should be possible to add custom position mapping callback after default callback', () => { const viewPosition = new ViewPosition( viewDiv, 0 ); // Model position to which default algorithm should map `viewPosition`. // This mapping is tested in a test below. const modelPosition = new ModelPosition( modelDiv, [ 0 ] ); const stub = {}; mapper.on( 'viewToModelPosition', ( evt, data ) => { expect( data.viewPosition.isEqual( viewPosition ) ).to.be.true; expect( data.modelPosition.isEqual( modelPosition ) ).to.be.true; data.modelPosition = stub; }, { priority: 'low' } ); const result = mapper.toModelPosition( viewPosition ); expect( result ).to.equal( stub ); } ); // Default algorithm tests. it( 'should transform viewDiv 0', () => createToModelTest( viewDiv, 0, modelDiv, 0 ) ); it( 'should transform viewDiv 1', () => createToModelTest( viewDiv, 1, modelDiv, 1 ) ); it( 'should transform viewDiv 2', () => createToModelTest( viewDiv, 2, modelDiv, 2 ) ); it( 'should transform viewDiv 3', () => createToModelTest( viewDiv, 3, modelDiv, 4 ) ); it( 'should transform viewTextX 0', () => createToModelTest( viewTextX, 0, modelDiv, 0 ) ); it( 'should transform viewTextX 1', () => createToModelTest( viewTextX, 1, modelDiv, 1 ) ); it( 'should transform viewP 0', () => createToModelTest( viewP, 0, modelP, 0 ) ); it( 'should transform viewP 1', () => createToModelTest( viewP, 1, modelP, 1 ) ); it( 'should transform viewP 2', () => createToModelTest( viewP, 2, modelP, 4 ) ); it( 'should transform viewP 3', () => createToModelTest( viewP, 3, modelP, 7 ) ); it( 'should transform viewP 4', () => createToModelTest( viewP, 4, modelP, 8 ) ); it( 'should transform viewP 5', () => createToModelTest( viewP, 5, modelP, 11 ) ); it( 'should transform viewTextY 0', () => createToModelTest( viewTextY, 0, modelP, 0 ) ); it( 'should transform viewTextY 1', () => createToModelTest( viewTextY, 1, modelP, 1 ) ); it( 'should transform viewB 0', () => createToModelTest( viewB, 0, modelP, 1 ) ); it( 'should transform viewB 1', () => createToModelTest( viewB, 1, modelP, 4 ) ); it( 'should transform viewI 0', () => createToModelTest( viewI, 0, modelP, 1 ) ); it( 'should transform viewI 1', () => createToModelTest( viewI, 1, modelP, 4 ) ); it( 'should transform viewTextFOO 0', () => createToModelTest( viewTextFOO, 0, modelP, 1 ) ); it( 'should transform viewTextFOO 1', () => createToModelTest( viewTextFOO, 1, modelP, 2 ) ); it( 'should transform viewTextFOO 2', () => createToModelTest( viewTextFOO, 2, modelP, 3 ) ); it( 'should transform viewTextFOO 3', () => createToModelTest( viewTextFOO, 3, modelP, 4 ) ); it( 'should transform viewTextBAR 0', () => createToModelTest( viewTextBAR, 0, modelP, 4 ) ); it( 'should transform viewTextBAR 1', () => createToModelTest( viewTextBAR, 1, modelP, 5 ) ); it( 'should transform viewTextBAR 2', () => createToModelTest( viewTextBAR, 2, modelP, 6 ) ); it( 'should transform viewTextBAR 3', () => createToModelTest( viewTextBAR, 3, modelP, 7 ) ); it( 'should transform viewU 0', () => createToModelTest( viewU, 0, modelP, 8 ) ); it( 'should transform viewU 1', () => createToModelTest( viewU, 1, modelP, 9 ) ); it( 'should transform viewU 2', () => createToModelTest( viewU, 2, modelP, 10 ) ); it( 'should transform viewU 3', () => createToModelTest( viewU, 3, modelP, 11 ) ); it( 'should transform viewTextB 0', () => createToModelTest( viewTextB, 0, modelP, 8 ) ); it( 'should transform viewTextB 1', () => createToModelTest( viewTextB, 1, modelP, 9 ) ); it( 'should transform viewSup 0', () => createToModelTest( viewSup, 0, modelP, 9 ) ); it( 'should transform viewSup 1', () => createToModelTest( viewSup, 1, modelP, 10 ) ); it( 'should transform viewTextO 0', () => createToModelTest( viewTextO, 0, modelP, 9 ) ); it( 'should transform viewTextO 1', () => createToModelTest( viewTextO, 1, modelP, 10 ) ); it( 'should transform viewTextM 0', () => createToModelTest( viewTextM, 0, modelP, 10 ) ); it( 'should transform viewTextM 1', () => createToModelTest( viewTextM, 1, modelP, 11 ) ); it( 'should transform viewTextZZ 0', () => createToModelTest( viewTextZZ, 0, modelDiv, 2 ) ); it( 'should transform viewTextZZ 1', () => createToModelTest( viewTextZZ, 1, modelDiv, 3 ) ); it( 'should transform viewTextZZ 2', () => createToModelTest( viewTextZZ, 2, modelDiv, 4 ) ); } ); describe( 'toViewPosition', () => { it( 'should fire modelToViewPosition event and return value calculated in callback to that event', () => { const modelPosition = new ModelPosition( modelDiv, [ 0 ] ); const stub = {}; mapper.on( 'modelToViewPosition', ( evt, data ) => { expect( data.modelPosition.isEqual( modelPosition ) ).to.be.true; data.viewPosition = stub; // Do not stop the event. Test whether default algorithm was not called if data.viewPosition is already set. } ); const result = mapper.toViewPosition( modelPosition ); expect( result ).to.equal( stub ); } ); it( 'should be possible to add custom position mapping callback after default callback', () => { const modelPosition = new ModelPosition( modelDiv, [ 0 ] ); // View position to which default algorithm should map `viewPosition`. // This mapping is tested in a test below. const viewPosition = new ViewPosition( viewTextX, 0 ); const stub = {}; mapper.on( 'modelToViewPosition', ( evt, data ) => { expect( data.modelPosition.isEqual( modelPosition ) ).to.be.true; expect( data.viewPosition.isEqual( viewPosition ) ).to.be.true; data.viewPosition = stub; }, { priority: 'low' } ); const result = mapper.toViewPosition( modelPosition ); expect( result ).to.equal( stub ); } ); // Default algorithm tests. it( 'should transform modelDiv 0', () => createToViewTest( modelDiv, 0, viewTextX, 0 ) ); it( 'should transform modelDiv 1', () => createToViewTest( modelDiv, 1, viewTextX, 1 ) ); it( 'should transform modelDiv 2', () => createToViewTest( modelDiv, 2, viewTextZZ, 0 ) ); it( 'should transform modelDiv 3', () => createToViewTest( modelDiv, 3, viewTextZZ, 1 ) ); it( 'should transform modelDiv 4', () => createToViewTest( modelDiv, 4, viewTextZZ, 2 ) ); it( 'should transform modelP 0', () => createToViewTest( modelP, 0, viewTextY, 0 ) ); it( 'should transform modelP 1', () => createToViewTest( modelP, 1, viewTextY, 1 ) ); it( 'should transform modelP 2', () => createToViewTest( modelP, 2, viewTextFOO, 1 ) ); it( 'should transform modelP 3', () => createToViewTest( modelP, 3, viewTextFOO, 2 ) ); it( 'should transform modelP 4', () => createToViewTest( modelP, 4, viewTextBAR, 0 ) ); it( 'should transform modelP 5', () => createToViewTest( modelP, 5, viewTextBAR, 1 ) ); it( 'should transform modelP 6', () => createToViewTest( modelP, 6, viewTextBAR, 2 ) ); it( 'should transform modelP 7', () => createToViewTest( modelP, 7, viewTextBAR, 3 ) ); it( 'should transform modelP 8', () => createToViewTest( modelP, 8, viewP, 4 ) ); it( 'should transform modelP 9', () => createToViewTest( modelP, 9, viewTextB, 1 ) ); it( 'should transform modelP 10', () => createToViewTest( modelP, 10, viewTextM, 0 ) ); it( 'should transform modelP 11', () => createToViewTest( modelP, 11, viewP, 5 ) ); } ); describe( 'toModelRange', () => { it( 'should transform range', () => { const viewRange = ViewRange._createFromParentsAndOffsets( viewDiv, 0, viewTextFOO, 2 ); const modelRange = mapper.toModelRange( viewRange ); expect( modelRange.start.parent ).to.equal( modelDiv ); expect( modelRange.start.offset ).to.equal( 0 ); expect( modelRange.end.parent ).to.equal( modelP ); expect( modelRange.end.offset ).to.equal( 3 ); } ); } ); describe( 'toViewRange', () => { it( 'should transform range', () => { const modelRange = new ModelRange( ModelPosition._createAt( modelDiv, 0 ), ModelPosition._createAt( modelP, 3 ) ); const viewRange = mapper.toViewRange( modelRange ); expect( viewRange.start.parent ).to.equal( viewTextX ); expect( viewRange.start.offset ).to.equal( 0 ); expect( viewRange.end.parent ).to.equal( viewTextFOO ); expect( viewRange.end.offset ).to.equal( 2 ); } ); } ); function createToViewTest( modelElement, modelOffset, viewElement, viewOffset ) { const modelPosition = ModelPosition._createAt( modelElement, modelOffset ); const viewPosition = mapper.toViewPosition( modelPosition ); expect( viewPosition.parent ).to.equal( viewElement ); expect( viewPosition.offset ).to.equal( viewOffset ); } function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) { const viewPosition = new ViewPosition( viewElement, viewOffset ); const modelPosition = mapper.toModelPosition( viewPosition ); expect( modelPosition.parent ).to.equal( modelElement ); expect( modelPosition.offset ).to.equal( modelOffset ); } } ); describe( 'Widget mapping', () => { let modelDiv, modelWidget, modelImg, modelCaption, viewDiv, viewWidget, viewMask, viewWrapper, viewImg, viewCaption, viewTextX, viewTextFOO, viewTextZZ, viewTextLABEL, mapper; before( () => { // Tree Model: // //

---> modelDiv // ├─ x // ├─ ---> modelWidget // │ ├─ ---> modelImg // │ └─ ---> modelCaption // │ ├─ f // │ ├─ o // │ └─ o // ├─ z // └─ z // // Tree View: // //
---> viewDiv // ├─ x ---> viewTextX // ├─ ---> viewWidget // │ ├─ ---> viewMask // │ │ └─ label ---> viewTextLABEL // │ └─ ---> viewWrapper // │ ├─ ---> viewImg // │ └─ ---> viewCaption // │ └─ foo ---> viewTextFOO // └─ zz ---> viewTextZZ modelImg = new ModelElement( 'img' ); modelCaption = new ModelElement( 'caption', {}, new ModelText( 'foo' ) ); modelWidget = new ModelElement( 'widget', {}, [ modelImg, modelCaption ] ); modelDiv = new ModelRootElement(); modelDiv._appendChild( [ new ModelText( 'x' ), modelWidget, new ModelText( 'zz' ) ] ); viewTextX = new ViewText( viewDocument, 'y' ); viewTextZZ = new ViewText( viewDocument, 'zz' ); viewTextFOO = new ViewText( viewDocument, 'foo' ); viewTextLABEL = new ViewText( viewDocument, 'label' ); viewImg = new ViewElement( viewDocument, 'img' ); viewMask = new ViewElement( viewDocument, 'mask', {}, [ viewTextLABEL ] ); viewCaption = new ViewElement( viewDocument, 'caption', {}, [ viewTextFOO ] ); viewWrapper = new ViewElement( viewDocument, 'wrapper', {}, [ viewImg, viewCaption ] ); viewWidget = new ViewElement( viewDocument, 'widget', [ viewMask, viewWrapper ] ); viewDiv = new ViewElement( viewDocument, 'div', {}, [ viewTextX, viewWidget, viewTextZZ ] ); mapper = new Mapper(); mapper.bindElements( modelDiv, viewDiv ); mapper.bindElements( modelWidget, viewWidget ); mapper.bindElements( modelImg, viewImg ); mapper.bindElements( modelCaption, viewCaption ); } ); describe( 'toModelElement', () => { it( 'should return corresponding model element', () => { expect( mapper.toModelElement( viewDiv ) ).to.equal( modelDiv ); expect( mapper.toModelElement( viewWidget ) ).to.equal( modelWidget ); expect( mapper.toModelElement( viewImg ) ).to.equal( modelImg ); expect( mapper.toModelElement( viewCaption ) ).to.equal( modelCaption ); } ); } ); describe( 'toViewElement', () => { it( 'should return corresponding view element', () => { expect( mapper.toViewElement( modelDiv ) ).to.equal( viewDiv ); expect( mapper.toViewElement( modelWidget ) ).to.equal( viewWidget ); expect( mapper.toViewElement( modelImg ) ).to.equal( viewImg ); expect( mapper.toViewElement( modelCaption ) ).to.equal( viewCaption ); } ); } ); describe( 'toModelPosition', () => { it( 'should transform viewDiv 0', () => createToModelTest( viewDiv, 0, modelDiv, 0 ) ); it( 'should transform viewDiv 1', () => createToModelTest( viewDiv, 1, modelDiv, 1 ) ); it( 'should transform viewDiv 2', () => createToModelTest( viewDiv, 2, modelDiv, 2 ) ); it( 'should transform viewDiv 3', () => createToModelTest( viewDiv, 3, modelDiv, 4 ) ); it( 'should transform viewTextX 0', () => createToModelTest( viewTextX, 0, modelDiv, 0 ) ); it( 'should transform viewTextX 1', () => createToModelTest( viewTextX, 1, modelDiv, 1 ) ); it( 'should transform viewTextZZ 0', () => createToModelTest( viewTextZZ, 0, modelDiv, 2 ) ); it( 'should transform viewTextZZ 1', () => createToModelTest( viewTextZZ, 1, modelDiv, 3 ) ); it( 'should transform viewTextZZ 2', () => createToModelTest( viewTextZZ, 2, modelDiv, 4 ) ); it( 'should transform viewImg 0', () => createToModelTest( viewImg, 0, modelImg, 0 ) ); it( 'should transform viewCaption 0', () => createToModelTest( viewCaption, 0, modelCaption, 0 ) ); it( 'should transform viewCaption 1', () => createToModelTest( viewCaption, 1, modelCaption, 3 ) ); it( 'should transform viewTextFOO 0', () => createToModelTest( viewTextFOO, 0, modelCaption, 0 ) ); it( 'should transform viewTextFOO 1', () => createToModelTest( viewTextFOO, 1, modelCaption, 1 ) ); it( 'should transform viewTextFOO 2', () => createToModelTest( viewTextFOO, 2, modelCaption, 2 ) ); it( 'should transform viewTextFOO 3', () => createToModelTest( viewTextFOO, 3, modelCaption, 3 ) ); } ); describe( 'toViewPosition and findPositionIn', () => { it( 'should transform modelDiv 0', () => createToViewTest( modelDiv, 0, viewTextX, 0 ) ); it( 'should transform modelDiv 1', () => createToViewTest( modelDiv, 1, viewTextX, 1 ) ); it( 'should transform modelDiv 2', () => createToViewTest( modelDiv, 2, viewTextZZ, 0 ) ); it( 'should transform modelDiv 3', () => createToViewTest( modelDiv, 3, viewTextZZ, 1 ) ); it( 'should transform modelDiv 4', () => createToViewTest( modelDiv, 4, viewTextZZ, 2 ) ); it( 'should transform modelImg 0', () => createToViewTest( modelImg, 0, viewImg, 0 ) ); it( 'should transform modelCaption 0', () => createToViewTest( modelCaption, 0, viewTextFOO, 0 ) ); it( 'should transform modelCaption 1', () => createToViewTest( modelCaption, 1, viewTextFOO, 1 ) ); it( 'should transform modelCaption 2', () => createToViewTest( modelCaption, 2, viewTextFOO, 2 ) ); it( 'should transform modelCaption 3', () => createToViewTest( modelCaption, 3, viewTextFOO, 3 ) ); } ); function createToViewTest( modelElement, modelOffset, viewElement, viewOffset ) { const modelPosition = ModelPosition._createAt( modelElement, modelOffset ); let viewPosition = mapper.toViewPosition( modelPosition ); expect( viewPosition.parent ).to.equal( viewElement ); expect( viewPosition.offset ).to.equal( viewOffset ); viewPosition = mapper.findPositionIn( mapper.toViewElement( modelElement ), modelOffset ); expect( viewPosition.parent ).to.equal( viewElement ); expect( viewPosition.offset ).to.equal( viewOffset ); } function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) { const viewPosition = new ViewPosition( viewElement, viewOffset ); const modelPosition = mapper.toModelPosition( viewPosition ); expect( modelPosition.parent ).to.equal( modelElement ); expect( modelPosition.offset ).to.equal( modelOffset ); } } ); describe( 'List mapping (test registerViewToModelLength)', () => { let mapper, modelRoot, viewRoot, modelListItem1, modelListItem2, modelListItem11, modelListItem12, viewList, viewListNested, viewListItem1, viewListItem2, viewListItem11, viewListItem12; before( () => { modelListItem1 = new ModelElement( 'listItem', null, new ModelText( 'aaa' ) ); modelListItem11 = new ModelElement( 'listItem', null, new ModelText( 'bbb' ) ); modelListItem12 = new ModelElement( 'listItem', null, new ModelText( 'ccc' ) ); modelListItem2 = new ModelElement( 'listItem', null, new ModelText( 'xxx' ) ); modelRoot = new ModelRootElement( 'root', null, [ modelListItem1, modelListItem11, modelListItem12, modelListItem2 ] ); viewListItem11 = new ViewElement( viewDocument, 'li', null, new ViewText( viewDocument, 'bbb' ) ); viewListItem12 = new ViewElement( viewDocument, 'li', null, new ViewText( viewDocument, 'ccc' ) ); viewListNested = new ViewElement( viewDocument, 'ul', null, [ viewListItem11, viewListItem12 ] ); viewListItem1 = new ViewElement( viewDocument, 'li', null, [ new ViewText( viewDocument, 'aaa' ), viewListNested ] ); viewListItem2 = new ViewElement( viewDocument, 'li', null, new ViewText( viewDocument, 'ddd' ) ); viewList = new ViewElement( viewDocument, 'ul', null, [ viewListItem1, viewListItem2 ] ); viewRoot = new ViewElement( viewDocument, 'div', null, viewList ); mapper = new Mapper(); mapper.bindElements( modelRoot, viewRoot ); mapper.bindElements( modelListItem1, viewListItem1 ); mapper.bindElements( modelListItem11, viewListItem11 ); mapper.bindElements( modelListItem12, viewListItem12 ); mapper.bindElements( modelListItem2, viewListItem2 ); function getViewListItemLength( element ) { let length = 1; for ( const child of element.getChildren() ) { if ( child.name == 'ul' || child.name == 'ol' ) { for ( const item of child.getChildren() ) { length += getViewListItemLength( item ); } } } return length; } mapper.registerViewToModelLength( 'li', getViewListItemLength ); } ); describe( 'toModelPosition', () => { it( 'should transform viewRoot 0', () => createToModelTest( viewRoot, 0, modelRoot, 0 ) ); it( 'should transform viewRoot 1', () => createToModelTest( viewRoot, 1, modelRoot, 4 ) ); it( 'should transform viewList 0', () => createToModelTest( viewList, 0, modelRoot, 0 ) ); it( 'should transform viewList 1', () => createToModelTest( viewList, 1, modelRoot, 3 ) ); it( 'should transform viewList 2', () => createToModelTest( viewList, 2, modelRoot, 4 ) ); } ); function createToModelTest( viewElement, viewOffset, modelElement, modelOffset ) { const viewPosition = new ViewPosition( viewElement, viewOffset ); const modelPosition = mapper.toModelPosition( viewPosition ); expect( modelPosition.parent ).to.equal( modelElement ); expect( modelPosition.offset ).to.equal( modelOffset ); } } ); describe( 'Markers mapping', () => { let mapper; beforeEach( () => { mapper = new Mapper(); } ); it( 'should bind element to a marker name', () => { const view = new ViewElement( viewDocument, 'a' ); mapper.bindElementToMarker( view, 'marker' ); const elements = mapper.markerNameToElements( 'marker' ); expect( elements ).to.be.instanceof( Set ); expect( elements.size ).to.equal( 1 ); expect( elements.has( view ) ).to.be.true; } ); it( 'should bind multiple elements to a marker name', () => { const viewA = new ViewElement( viewDocument, 'a' ); const viewB = new ViewElement( viewDocument, 'b' ); const viewC = new ViewElement( viewDocument, 'c' ); mapper.bindElementToMarker( viewA, 'marker' ); mapper.bindElementToMarker( viewB, 'marker' ); mapper.bindElementToMarker( viewC, 'marker' ); const elements = Array.from( mapper.markerNameToElements( 'marker' ) ); expect( elements ).to.deep.equal( [ viewA, viewB, viewC ] ); } ); it( 'should unbind element from a marker name', () => { const viewA = new ViewElement( viewDocument, 'a' ); const viewB = new ViewElement( viewDocument, 'b' ); mapper.bindElementToMarker( viewA, 'marker' ); mapper.bindElementToMarker( viewA, 'markerB' ); mapper.bindElementToMarker( viewB, 'marker' ); mapper.unbindElementFromMarkerName( viewA, 'marker' ); expect( Array.from( mapper.markerNameToElements( 'marker' ) ) ).to.deep.equal( [ viewB ] ); expect( Array.from( mapper.markerNameToElements( 'markerB' ) ) ).to.deep.equal( [ viewA ] ); mapper.unbindElementFromMarkerName( viewB, 'marker' ); expect( mapper.markerNameToElements( 'marker' ) ).to.be.null; // Removing an element from non-existing group or non-bound element should not cause a crash. mapper.unbindElementFromMarkerName( viewB, 'marker' ); expect( mapper.markerNameToElements( 'marker' ) ).to.be.null; } ); } ); it( 'should pass isPhantom flag to model-to-view position mapping callback', () => { const mapper = new Mapper(); mapper.on( 'modelToViewPosition', ( evt, data ) => { expect( data.isPhantom ).to.be.true; evt.stop(); } ); mapper.toViewPosition( {}, { isPhantom: true } ); } ); describe( 'getModelLength', () => { let mapper; beforeEach( () => { mapper = new Mapper(); } ); it( 'should return length according to callback added by registerViewToModelLength', () => { const viewElement = new ViewElement( viewDocument, 'span' ); mapper.registerViewToModelLength( 'span', () => 4 ); expect( mapper.getModelLength( viewElement ) ).to.equal( 4 ); } ); it( 'should return 1 for mapped elements', () => { const viewElement = new ViewElement( viewDocument, 'span' ); const modelElement = new ModelElement( 'span' ); mapper.bindElements( modelElement, viewElement ); expect( mapper.getModelLength( viewElement ) ).to.equal( 1 ); } ); it( 'should return 0 for ui elements', () => { const viewUiElement = new ViewUIElement( viewDocument, 'span' ); expect( mapper.getModelLength( viewUiElement ) ).to.equal( 0 ); } ); it( 'should return length of data for text nodes', () => { const viewText = new ViewText( viewDocument, 'foo' ); expect( mapper.getModelLength( viewText ) ).to.equal( 3 ); } ); it( 'should return sum of length of children for unmapped element', () => { const modelP = new ModelElement( 'p' ); const viewP = new ViewElement( viewDocument, 'p' ); const viewUi = new ViewUIElement( viewDocument, 'span' ); const viewFoo = new ViewText( viewDocument, 'foo' ); const viewCallback = new ViewElement( viewDocument, 'xxx' ); const viewDiv = new ViewElement( viewDocument, 'div', null, [ viewP, viewUi, viewFoo, viewCallback ] ); mapper.bindElements( modelP, viewP ); mapper.registerViewToModelLength( 'xxx', () => 2 ); expect( mapper.getModelLength( viewDiv ) ).to.equal( 6 ); } ); } ); describe( 'findMappedViewAncestor()', () => { it( 'should return for given view position the closest ancestor which is mapped to a model element', () => { const mapper = new Mapper(); const modelP = new ModelElement( 'p' ); const modelDiv = new ModelElement( 'div' ); const viewText = new ViewText( viewDocument, 'foo' ); const viewSpan = new ViewElement( viewDocument, 'span', null, viewText ); const viewP = new ViewElement( viewDocument, 'p', null, viewSpan ); const viewDiv = new ViewElement( viewDocument, 'div', null, viewP ); mapper.bindElements( modelP, viewP ); mapper.bindElements( modelDiv, viewDiv ); //

f{}oo

const viewPosition = new ViewPosition( viewText, 1 ); const viewMappedAncestor = mapper.findMappedViewAncestor( viewPosition ); expect( viewMappedAncestor ).to.equal( viewP ); } ); } ); describe( 'flushUnboundMarkerNames()', () => { it( 'should return marker names of markers which elements has been unbound and clear that list', () => { const viewA = new ViewElement( viewDocument, 'a' ); const viewB = new ViewElement( viewDocument, 'b' ); const mapper = new Mapper(); mapper.bindElementToMarker( viewA, 'foo' ); mapper.bindElementToMarker( viewA, 'bar' ); mapper.bindElementToMarker( viewB, 'bar' ); mapper.unbindViewElement( viewA ); expect( mapper.flushUnboundMarkerNames() ).to.deep.equal( [ 'foo', 'bar' ] ); expect( mapper.flushUnboundMarkerNames() ).to.deep.equal( [] ); mapper.unbindViewElement( viewB ); expect( mapper.flushUnboundMarkerNames() ).to.deep.equal( [ 'bar' ] ); expect( mapper.flushUnboundMarkerNames() ).to.deep.equal( [] ); } ); } ); } );