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: treemodel, operation */
  6. 'use strict';
  7. import transformations from '/ckeditor5/core/treemodel/delta/basic-transformations.js';
  8. /*jshint unused: false*/
  9. import transform from '/ckeditor5/core/treemodel/delta/transform.js';
  10. import Element from '/ckeditor5/core/treemodel/element.js';
  11. import Position from '/ckeditor5/core/treemodel/position.js';
  12. import Range from '/ckeditor5/core/treemodel/range.js';
  13. import MoveOperation from '/ckeditor5/core/treemodel/operation/moveoperation.js';
  14. import InsertOperation from '/ckeditor5/core/treemodel/operation/insertoperation.js';
  15. import MergeDelta from '/ckeditor5/core/treemodel/delta/mergedelta.js';
  16. import WrapDelta from '/ckeditor5/core/treemodel/delta/wrapdelta.js';
  17. import treeModelTestUtils from '/tests/core/treemodel/_utils/utils.js';
  18. const getNodesAndText = treeModelTestUtils.getNodesAndText;
  19. import {
  20. applyDelta,
  21. expectDelta,
  22. getFilledDocument,
  23. getSplitDelta,
  24. getWrapDelta
  25. } from '/tests/core/treemodel/delta/transform/_utils/utils.js';
  26. describe( 'transform', () => {
  27. let doc, root, gy, baseVersion;
  28. beforeEach( () => {
  29. doc = getFilledDocument();
  30. root = doc.getRoot( 'root' );
  31. gy = doc.graveyard;
  32. baseVersion = doc.version;
  33. } );
  34. describe( 'WrapDelta by', () => {
  35. let wrapDelta;
  36. beforeEach( () => {
  37. let wrapRange = new Range( new Position( root, [ 3, 3, 3, 1 ] ), new Position( root, [ 3, 3, 3, 5 ] ) );
  38. let wrapElement = new Element( 'E' );
  39. wrapDelta = getWrapDelta( wrapRange, wrapElement, baseVersion );
  40. } );
  41. describe( 'SplitDelta', () => {
  42. it( 'split position is between wrapped nodes', () => {
  43. let splitPosition = new Position( root, [ 3, 3, 3, 3 ] );
  44. let splitDelta = getSplitDelta( splitPosition, new Element( 'p' ), 9, baseVersion );
  45. let transformed = transform( wrapDelta, splitDelta );
  46. expect( transformed.length ).to.equal( 2 );
  47. baseVersion = splitDelta.operations.length;
  48. expectDelta( transformed[ 0 ], {
  49. type: MergeDelta,
  50. operations: [
  51. {
  52. type: MoveOperation,
  53. sourcePosition: new Position( root, [ 3, 3, 4, 0 ] ),
  54. howMany: 9,
  55. targetPosition: new Position( root, [ 3, 3, 3, 3 ] ),
  56. baseVersion: baseVersion
  57. },
  58. {
  59. type: MoveOperation,
  60. sourcePosition: new Position( root, [ 3, 3, 4 ] ),
  61. howMany: 1,
  62. targetPosition: new Position( gy, [ 0 ] ),
  63. baseVersion: baseVersion + 1
  64. }
  65. ]
  66. } );
  67. expectDelta( transformed[ 1 ], {
  68. type: WrapDelta,
  69. operations: [
  70. {
  71. type: InsertOperation,
  72. position: new Position( root, [ 3, 3, 3, 5 ] ),
  73. baseVersion: baseVersion + 2
  74. },
  75. {
  76. type: MoveOperation,
  77. sourcePosition: new Position( root, [ 3, 3, 3, 1 ] ),
  78. howMany: 4,
  79. targetPosition: new Position( root, [ 3, 3, 3, 5, 0 ] ),
  80. baseVersion: baseVersion + 3
  81. }
  82. ]
  83. } );
  84. // Test if deltas do what they should after applying transformed delta.
  85. applyDelta( splitDelta, doc );
  86. applyDelta( transformed[ 0 ], doc );
  87. applyDelta( transformed[ 1 ], doc );
  88. let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3, 3 ] ), 1 ) );
  89. // WrapDelta is applied. SplitDelta is discarded.
  90. expect( nodesAndText ).to.equal( 'PaEbcfoEobarxyzP' );
  91. } );
  92. it( 'split position is before wrapped nodes', () => {
  93. let splitPosition = new Position( root, [ 3, 3, 3, 1 ] );
  94. let splitDelta = getSplitDelta( splitPosition, new Element( 'p' ), 11, baseVersion );
  95. let transformed = transform( wrapDelta, splitDelta );
  96. expect( transformed.length ).to.equal( 1 );
  97. baseVersion = wrapDelta.operations.length;
  98. expectDelta( transformed[ 0 ], {
  99. type: WrapDelta,
  100. operations: [
  101. {
  102. type: InsertOperation,
  103. position: new Position( root, [ 3, 3, 4, 4 ] ),
  104. baseVersion: baseVersion
  105. },
  106. {
  107. type: MoveOperation,
  108. sourcePosition: new Position( root, [ 3, 3, 4, 0 ] ),
  109. howMany: 4,
  110. targetPosition: new Position( root, [ 3, 3, 4, 4, 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, 3 ] ), 2 ) );
  119. // WrapDelta and SplitDelta are correctly applied.
  120. expect( nodesAndText ).to.equal( 'PaPPEbcfoEobarxyzP' );
  121. } );
  122. it( 'split position is inside wrapped node', () => {
  123. // For this case, we need different WrapDelta so it is overwritten.
  124. let wrapRange = new Range( new Position( root, [ 3, 3, 2 ] ), new Position( root, [ 3, 3, 4 ] ) );
  125. let wrapElement = new Element( 'E' );
  126. wrapDelta = getWrapDelta( wrapRange, wrapElement, baseVersion );
  127. let splitPosition = new Position( root, [ 3, 3, 3, 3 ] );
  128. let splitDelta = getSplitDelta( splitPosition, new Element( 'p' ), 9, baseVersion );
  129. let transformed = transform( wrapDelta, splitDelta );
  130. expect( transformed.length ).to.equal( 1 );
  131. baseVersion = wrapDelta.operations.length;
  132. expectDelta( transformed[ 0 ], {
  133. type: WrapDelta,
  134. operations: [
  135. {
  136. type: InsertOperation,
  137. position: new Position( root, [ 3, 3, 5 ] ),
  138. baseVersion: baseVersion
  139. },
  140. {
  141. type: MoveOperation,
  142. sourcePosition: new Position( root, [ 3, 3, 2 ] ),
  143. howMany: 3,
  144. targetPosition: new Position( root, [ 3, 3, 5, 0 ] ),
  145. baseVersion: baseVersion + 1
  146. }
  147. ]
  148. } );
  149. // Test if deltas do what they should after applying transformed delta.
  150. applyDelta( splitDelta, doc );
  151. applyDelta( transformed[ 0 ], doc );
  152. let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3, 2 ] ), 1 ) );
  153. // WrapDelta and SplitDelta are correctly applied.
  154. expect( nodesAndText ).to.equal( 'EXabcdXPabcPPfoobarxyzPE' );
  155. } );
  156. } );
  157. } );
  158. } );