wrapdelta.js 6.0 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: model, operation */
  6. import transformations from '/ckeditor5/engine/model/delta/basic-transformations.js';
  7. /*jshint unused: false*/
  8. import transform from '/ckeditor5/engine/model/delta/transform.js';
  9. import Element from '/ckeditor5/engine/model/element.js';
  10. import Position from '/ckeditor5/engine/model/position.js';
  11. import Range from '/ckeditor5/engine/model/range.js';
  12. import MoveOperation from '/ckeditor5/engine/model/operation/moveoperation.js';
  13. import InsertOperation from '/ckeditor5/engine/model/operation/insertoperation.js';
  14. import MergeDelta from '/ckeditor5/engine/model/delta/mergedelta.js';
  15. import WrapDelta from '/ckeditor5/engine/model/delta/wrapdelta.js';
  16. import { getNodesAndText, jsonParseStringify } from '/tests/engine/model/_utils/utils.js';
  17. import {
  18. applyDelta,
  19. expectDelta,
  20. getFilledDocument,
  21. getSplitDelta,
  22. getWrapDelta
  23. } from '/tests/engine/model/delta/transform/_utils/utils.js';
  24. describe( 'transform', () => {
  25. let doc, root, gy, baseVersion;
  26. beforeEach( () => {
  27. doc = getFilledDocument();
  28. root = doc.getRoot();
  29. gy = doc.graveyard;
  30. baseVersion = doc.version;
  31. } );
  32. describe( 'WrapDelta by', () => {
  33. let wrapDelta;
  34. beforeEach( () => {
  35. let wrapRange = new Range( new Position( root, [ 3, 3, 3, 1 ] ), new Position( root, [ 3, 3, 3, 5 ] ) );
  36. let wrapElement = new Element( 'E' );
  37. wrapDelta = getWrapDelta( wrapRange, wrapElement, baseVersion );
  38. } );
  39. describe( 'SplitDelta', () => {
  40. it( 'split position is between wrapped nodes', () => {
  41. let splitPosition = new Position( root, [ 3, 3, 3, 3 ] );
  42. let splitDelta = getSplitDelta( splitPosition, new Element( 'p' ), 9, baseVersion );
  43. let transformed = transform( wrapDelta, splitDelta );
  44. expect( transformed.length ).to.equal( 2 );
  45. baseVersion = splitDelta.operations.length;
  46. expectDelta( transformed[ 0 ], {
  47. type: MergeDelta,
  48. operations: [
  49. {
  50. type: MoveOperation,
  51. sourcePosition: new Position( root, [ 3, 3, 4, 0 ] ),
  52. howMany: 9,
  53. targetPosition: new Position( root, [ 3, 3, 3, 3 ] ),
  54. baseVersion: baseVersion
  55. },
  56. {
  57. type: MoveOperation,
  58. sourcePosition: new Position( root, [ 3, 3, 4 ] ),
  59. howMany: 1,
  60. targetPosition: new Position( gy, [ 0, 0 ] ),
  61. baseVersion: baseVersion + 1
  62. }
  63. ]
  64. } );
  65. expectDelta( transformed[ 1 ], {
  66. type: WrapDelta,
  67. operations: [
  68. {
  69. type: InsertOperation,
  70. position: new Position( root, [ 3, 3, 3, 5 ] ),
  71. baseVersion: baseVersion + 2
  72. },
  73. {
  74. type: MoveOperation,
  75. sourcePosition: new Position( root, [ 3, 3, 3, 1 ] ),
  76. howMany: 4,
  77. targetPosition: new Position( root, [ 3, 3, 3, 5, 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, 3 ] ), 1 ) );
  87. // WrapDelta is applied. SplitDelta is discarded.
  88. expect( nodesAndText ).to.equal( 'PaEbcfoEobarxyzP' );
  89. } );
  90. it( 'split position is before wrapped nodes', () => {
  91. let splitPosition = new Position( root, [ 3, 3, 3, 1 ] );
  92. let splitDelta = getSplitDelta( splitPosition, new Element( 'p' ), 11, baseVersion );
  93. let transformed = transform( wrapDelta, splitDelta );
  94. expect( transformed.length ).to.equal( 1 );
  95. baseVersion = wrapDelta.operations.length;
  96. expectDelta( transformed[ 0 ], {
  97. type: WrapDelta,
  98. operations: [
  99. {
  100. type: InsertOperation,
  101. position: new Position( root, [ 3, 3, 4, 4 ] ),
  102. baseVersion: baseVersion
  103. },
  104. {
  105. type: MoveOperation,
  106. sourcePosition: new Position( root, [ 3, 3, 4, 0 ] ),
  107. howMany: 4,
  108. targetPosition: new Position( root, [ 3, 3, 4, 4, 0 ] ),
  109. baseVersion: baseVersion + 1
  110. }
  111. ]
  112. } );
  113. // Test if deltas do what they should after applying transformed delta.
  114. applyDelta( splitDelta, doc );
  115. applyDelta( transformed[ 0 ], doc );
  116. let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3, 3 ] ), 2 ) );
  117. // WrapDelta and SplitDelta are correctly applied.
  118. expect( nodesAndText ).to.equal( 'PaPPEbcfoEobarxyzP' );
  119. } );
  120. it( 'split position is inside wrapped node', () => {
  121. // For this case, we need different WrapDelta so it is overwritten.
  122. let wrapRange = new Range( new Position( root, [ 3, 3, 2 ] ), new Position( root, [ 3, 3, 4 ] ) );
  123. let wrapElement = new Element( 'E' );
  124. wrapDelta = getWrapDelta( wrapRange, wrapElement, baseVersion );
  125. let splitPosition = new Position( root, [ 3, 3, 3, 3 ] );
  126. let splitDelta = getSplitDelta( splitPosition, new Element( 'p' ), 9, baseVersion );
  127. let transformed = transform( wrapDelta, splitDelta );
  128. expect( transformed.length ).to.equal( 1 );
  129. baseVersion = wrapDelta.operations.length;
  130. expectDelta( transformed[ 0 ], {
  131. type: WrapDelta,
  132. operations: [
  133. {
  134. type: InsertOperation,
  135. position: new Position( root, [ 3, 3, 5 ] ),
  136. baseVersion: baseVersion
  137. },
  138. {
  139. type: MoveOperation,
  140. sourcePosition: new Position( root, [ 3, 3, 2 ] ),
  141. howMany: 3,
  142. targetPosition: new Position( root, [ 3, 3, 5, 0 ] ),
  143. baseVersion: baseVersion + 1
  144. }
  145. ]
  146. } );
  147. // Test if deltas do what they should after applying transformed delta.
  148. applyDelta( splitDelta, doc );
  149. applyDelta( transformed[ 0 ], doc );
  150. let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3, 2 ] ), 1 ) );
  151. // WrapDelta and SplitDelta are correctly applied.
  152. expect( nodesAndText ).to.equal( 'EXabcdXPabcPPfoobarxyzPE' );
  153. } );
  154. } );
  155. } );
  156. } );