mapper-helpers.js 3.7 KB

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  1. /**
  2. * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. import Model from '../../src/model/model';
  6. import { setData as modelSetData } from '../../src/dev-utils/model';
  7. import View from '../../src/view/view';
  8. import createViewRoot from '../view/_utils/createroot';
  9. import { setData as viewSetData } from '../../src/dev-utils/view';
  10. import Mapper from '../../src/conversion/mapper';
  11. import ViewPosition from '../../src/view/position';
  12. import { mapViewPositionInsideInlineElement } from '../../src/conversion/mapper-helpers';
  13. describe( 'mapper-helpers', () => {
  14. describe( 'mapViewPositionInsideInlineElement()', () => {
  15. let model, view, viewDocument, mapper, modelRoot, viewRoot, viewInlineWidget, viewP, modelParagraph;
  16. beforeEach( () => {
  17. model = new Model();
  18. modelRoot = model.document.createRoot();
  19. model.schema.register( 'paragraph', { inheritAllFrom: '$block' } );
  20. model.schema.register( 'inline-widget', { isInline: true, isObject: true, allowWhere: '$text' } );
  21. modelSetData( model, '<paragraph>foo<inline-widget></inline-widget>bar</paragraph>' );
  22. view = new View();
  23. viewDocument = view.document;
  24. viewRoot = createViewRoot( viewDocument, 'div', 'main' );
  25. viewSetData( view, '<p>foo<placeholder>widget description</placeholder>bar</p>' );
  26. viewP = viewRoot.getChild( 0 );
  27. viewInlineWidget = viewP.getChild( 1 );
  28. modelParagraph = modelRoot.getChild( 0 );
  29. mapper = new Mapper();
  30. mapper.bindElements( modelRoot, viewRoot );
  31. mapper.bindElements( modelParagraph, viewRoot.getChild( 0 ) );
  32. mapper.bindElements( modelParagraph.getChild( 1 ), viewInlineWidget );
  33. mapper.on( 'viewToModelPosition', mapViewPositionInsideInlineElement( model ) );
  34. } );
  35. it( 'should return position after inline-widget when view position is at start of inline-widget', () => {
  36. const viewPosition = new ViewPosition( viewInlineWidget, 0 );
  37. const modelPosition = mapper.toModelPosition( viewPosition );
  38. expect( modelPosition.parent ).to.equal( modelParagraph );
  39. // The offset in <paragraph> should be after the inline-widget:
  40. // PARAGRAPH
  41. // |- foo before: [ 0 ] after: [ 3 ]
  42. // |- INLINE-WIDGET before: [ 3 ] after: [ 4 ]
  43. // |- bar before: [ 4 ] after: [ 7 ]
  44. expect( modelPosition.offset ).to.equal( 4 );
  45. } );
  46. it( 'should return position before inline-widget when view position is not at start of inline-widget', () => {
  47. const viewPosition = new ViewPosition( viewInlineWidget, 2 ); // in real-case scenarios is 1 even if placeholder has text.
  48. const modelPosition = mapper.toModelPosition( viewPosition );
  49. expect( modelPosition.parent ).to.equal( modelParagraph );
  50. // The offset in <paragraph> should be before the inline-widget:
  51. // PARAGRAPH
  52. // |- foo before: [ 0 ] after: [ 3 ]
  53. // |- INLINE-WIDGET before: [ 3 ] after: [ 4 ]
  54. // |- bar before: [ 4 ] after: [ 7 ]
  55. expect( modelPosition.offset ).to.equal( 3 );
  56. } );
  57. it( 'should do nothing if position maps to text node', () => {
  58. const viewPosition = new ViewPosition( viewP.getChild( 0 ), 1 );
  59. const data = { viewPosition, mapper };
  60. const mapperHelper = mapViewPositionInsideInlineElement( model );
  61. mapperHelper( {}, data );
  62. expect( data.modelPosition ).to.be.undefined;
  63. } );
  64. it( 'should do nothing if position maps to a non-inline element', () => {
  65. const viewPosition = new ViewPosition( viewP, 0 );
  66. const data = { viewPosition, mapper };
  67. const mapperHelper = mapViewPositionInsideInlineElement( model );
  68. mapperHelper( {}, data );
  69. expect( data.modelPosition ).to.be.undefined;
  70. } );
  71. } );
  72. } );