unwrapdelta.js 4.5 KB

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  1. /**
  2. * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* bender-tags: treemodel, operation */
  6. 'use strict';
  7. import transform from '/ckeditor5/core/treemodel/delta/transform.js';
  8. import Element from '/ckeditor5/core/treemodel/element.js';
  9. import Position from '/ckeditor5/core/treemodel/position.js';
  10. import Range from '/ckeditor5/core/treemodel/range.js';
  11. import MoveOperation from '/ckeditor5/core/treemodel/operation/moveoperation.js';
  12. import MergeDelta from '/ckeditor5/core/treemodel/delta/mergedelta.js';
  13. import UnwrapDelta from '/ckeditor5/core/treemodel/delta/unwrapdelta.js';
  14. import treeModelTestUtils from '/tests/core/treemodel/_utils/utils.js';
  15. const getNodesAndText = treeModelTestUtils.getNodesAndText;
  16. import {
  17. applyDelta,
  18. expectDelta,
  19. getFilledDocument,
  20. getSplitDelta,
  21. getUnwrapDelta
  22. } from '/tests/core/treemodel/delta/transform/_utils/utils.js';
  23. describe( 'transform', () => {
  24. let doc, root, gy, baseVersion;
  25. beforeEach( () => {
  26. doc = getFilledDocument();
  27. root = doc.getRoot( 'root' );
  28. gy = doc.graveyard;
  29. baseVersion = doc.version;
  30. } );
  31. describe( 'UnwrapDelta by', () => {
  32. let unwrapDelta;
  33. beforeEach( () => {
  34. unwrapDelta = getUnwrapDelta( new Position( root, [ 3, 3, 3 ] ), 12, baseVersion );
  35. } );
  36. describe( 'SplitDelta', () => {
  37. it( 'split position directly in unwrapped node', () => {
  38. let splitPosition = new Position( root, [ 3, 3, 3, 3 ] );
  39. let splitDelta = getSplitDelta( splitPosition, new Element( 'p' ), 9, baseVersion );
  40. let transformed = transform( unwrapDelta, splitDelta );
  41. expect( transformed.length ).to.equal( 2 );
  42. baseVersion = splitDelta.operations.length;
  43. expectDelta( transformed[ 0 ], {
  44. type: MergeDelta,
  45. operations: [
  46. {
  47. type: MoveOperation,
  48. sourcePosition: new Position( root, [ 3, 3, 4, 0 ] ),
  49. howMany: 9,
  50. targetPosition: new Position( root, [ 3, 3, 3, 3 ] ),
  51. baseVersion: baseVersion
  52. },
  53. {
  54. type: MoveOperation,
  55. sourcePosition: new Position( root, [ 3, 3, 4 ] ),
  56. howMany: 1,
  57. targetPosition: new Position( gy, [ 0 ] ),
  58. baseVersion: baseVersion + 1
  59. }
  60. ]
  61. } );
  62. expectDelta( transformed[ 1 ], {
  63. type: UnwrapDelta,
  64. operations: [
  65. {
  66. type: MoveOperation,
  67. sourcePosition: new Position( root, [ 3, 3, 3, 0 ] ),
  68. howMany: 12,
  69. targetPosition: new Position( root, [ 3, 3, 3 ] ),
  70. baseVersion: baseVersion + 2
  71. },
  72. {
  73. // `RemoveOperation` as `MoveOperation`
  74. type: MoveOperation,
  75. sourcePosition: new Position( root, [ 3, 3, 15 ] ),
  76. howMany: 1,
  77. targetPosition: new Position( gy, [ 0 ] ),
  78. baseVersion: baseVersion + 3
  79. }
  80. ]
  81. } );
  82. // Test if deltas do what they should after applying transformed delta.
  83. applyDelta( splitDelta, doc );
  84. applyDelta( transformed[ 0 ], doc );
  85. applyDelta( transformed[ 1 ], doc );
  86. let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3 ] ), 1 ) );
  87. // UnwrapDelta is applied. SplitDelta is discarded.
  88. expect( nodesAndText ).to.equal( 'DIVXXXXXabcdXabcfoobarxyzDIV' );
  89. } );
  90. it( 'split position before unwrapped node', () => {
  91. let splitPosition = new Position( root, [ 3, 3, 3 ] );
  92. let splitDelta = getSplitDelta( splitPosition, new Element( 'div' ), 1, baseVersion );
  93. let transformed = transform( unwrapDelta, splitDelta );
  94. expect( transformed.length ).to.equal( 1 );
  95. baseVersion = splitDelta.operations.length;
  96. expectDelta( transformed[ 0 ], {
  97. type: UnwrapDelta,
  98. operations: [
  99. {
  100. type: MoveOperation,
  101. sourcePosition: new Position( root, [ 3, 4, 0, 0 ] ),
  102. howMany: 12,
  103. targetPosition: new Position( root, [ 3, 4, 0 ] ),
  104. baseVersion: baseVersion
  105. },
  106. {
  107. type: MoveOperation,
  108. sourcePosition: new Position( root, [ 3, 4, 12 ] ),
  109. howMany: 1,
  110. targetPosition: new Position( gy, [ 0 ] ),
  111. baseVersion: baseVersion + 1
  112. }
  113. ]
  114. } );
  115. // Test if deltas do what they should after applying transformed delta.
  116. applyDelta( splitDelta, doc );
  117. applyDelta( transformed[ 0 ], doc );
  118. let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3 ] ), 2 ) );
  119. // UnwrapDelta and SplitDelta are applied.
  120. expect( nodesAndText ).to.equal( 'DIVXXXXXabcdXDIVDIVabcfoobarxyzDIV' );
  121. } );
  122. } );
  123. } );
  124. } );