movedelta.js 4.3 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 Position from '/ckeditor5/core/treemodel/position.js';
  11. import Range from '/ckeditor5/core/treemodel/range.js';
  12. import MoveDelta from '/ckeditor5/core/treemodel/delta/movedelta.js';
  13. import SplitDelta from '/ckeditor5/core/treemodel/delta/splitdelta.js';
  14. import MoveOperation from '/ckeditor5/core/treemodel/operation/moveoperation.js';
  15. import treeModelTestUtils from '/tests/core/treemodel/_utils/utils.js';
  16. const getNodesAndText = treeModelTestUtils.getNodesAndText;
  17. import {
  18. applyDelta,
  19. expectDelta,
  20. getFilledDocument,
  21. getMergeDelta,
  22. getMoveDelta
  23. } from '/tests/core/treemodel/delta/transform/_utils/utils.js';
  24. describe( 'transform', () => {
  25. let doc, root, gy, baseVersion;
  26. beforeEach( () => {
  27. doc = getFilledDocument();
  28. root = doc.getRoot( 'root' );
  29. gy = doc.graveyard;
  30. baseVersion = doc.version;
  31. } );
  32. describe( 'MoveDelta by', () => {
  33. let moveDelta;
  34. beforeEach( () => {
  35. let sourcePosition = new Position( root, [ 3, 3, 3 ] );
  36. let howMany = 1;
  37. let targetPosition = new Position( root, [ 3, 3, 0 ] );
  38. moveDelta = getMoveDelta( sourcePosition, howMany, targetPosition, baseVersion );
  39. } );
  40. describe( 'MergeDelta', () => {
  41. it( 'node on the right side of merge was moved', () => {
  42. let mergePosition = new Position( root, [ 3, 3, 3 ] );
  43. let mergeDelta = getMergeDelta( mergePosition, 4, 12, baseVersion );
  44. let transformed = transform( moveDelta, mergeDelta );
  45. expect( transformed.length ).to.equal( 2 );
  46. baseVersion = mergeDelta.operations.length;
  47. expectDelta( transformed[ 0 ], {
  48. type: SplitDelta,
  49. operations: [
  50. {
  51. // This `SplitDelta` got created through reversing `MergeDelta`. It means that operations in
  52. // a `MergeDelta` had been reversed. One of them is `RemoveOperation` which got reversed into
  53. // `ReinsertOperation` because we want to get back the node from graveyard. `ReinsertOperation`
  54. // is treated in OT as `MoveOperation` and might be converted to it. This is why we have to
  55. // check whether the operation type is `MoveOperation`. This is all perfectly valid.
  56. type: MoveOperation,
  57. sourcePosition: new Position( gy, [ 0 ] ),
  58. howMany: 1,
  59. targetPosition: new Position( root, [ 3, 3, 3 ] ),
  60. baseVersion: baseVersion
  61. },
  62. {
  63. type: MoveOperation,
  64. sourcePosition: new Position( root, [ 3, 3, 2, 4 ] ),
  65. howMany: 12,
  66. targetPosition: new Position( root, [ 3, 3, 3, 0 ] ),
  67. baseVersion: baseVersion + 1
  68. }
  69. ]
  70. } );
  71. expectDelta( transformed[ 1 ], {
  72. type: MoveDelta,
  73. operations: [
  74. {
  75. type: MoveOperation,
  76. sourcePosition: moveDelta._moveOperation.sourcePosition,
  77. howMany: moveDelta._moveOperation.howMany,
  78. targetPosition: moveDelta._moveOperation.targetPosition,
  79. baseVersion: baseVersion + 2
  80. }
  81. ]
  82. } );
  83. // Test if deltas do what they should after applying transformed delta.
  84. applyDelta( mergeDelta, doc );
  85. applyDelta( transformed[ 0 ], doc );
  86. applyDelta( transformed[ 1 ], doc );
  87. let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3 ] ), 1 ) );
  88. // MoveDelta is applied. MergeDelta is discarded.
  89. expect( nodesAndText ).to.equal( 'DIVPabcfoobarxyzPXXXXXabcdXDIV' );
  90. } );
  91. it( 'move range in merged node', () => {
  92. let mergePosition = new Position( root, [ 3, 3 ] );
  93. let mergeDelta = getMergeDelta( mergePosition, 1, 4, baseVersion );
  94. let transformed = transform( moveDelta, mergeDelta );
  95. expect( transformed.length ).to.equal( 1 );
  96. baseVersion = mergeDelta.operations.length;
  97. expectDelta( transformed[ 0 ], {
  98. type: MoveDelta,
  99. operations: [
  100. {
  101. type: MoveOperation,
  102. sourcePosition: new Position( root, [ 3, 2, 4 ] ),
  103. howMany: 1,
  104. targetPosition: new Position( root, [ 3, 2, 1 ] ),
  105. baseVersion: baseVersion
  106. }
  107. ]
  108. } );
  109. } );
  110. } );
  111. } );
  112. } );