movedelta.js 4.2 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. 'use strict';
  7. import transformations from '/ckeditor5/engine/model/delta/basic-transformations.js';
  8. /*jshint unused: false*/
  9. import transform from '/ckeditor5/engine/model/delta/transform.js';
  10. import Position from '/ckeditor5/engine/model/position.js';
  11. import Range from '/ckeditor5/engine/model/range.js';
  12. import MoveDelta from '/ckeditor5/engine/model/delta/movedelta.js';
  13. import SplitDelta from '/ckeditor5/engine/model/delta/splitdelta.js';
  14. import MoveOperation from '/ckeditor5/engine/model/operation/moveoperation.js';
  15. import { getNodesAndText, jsonParseStringify } from '/tests/engine/model/_utils/utils.js';
  16. import {
  17. applyDelta,
  18. expectDelta,
  19. getFilledDocument,
  20. getMergeDelta,
  21. getMoveDelta
  22. } from '/tests/engine/model/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( 'MoveDelta by', () => {
  32. let moveDelta;
  33. beforeEach( () => {
  34. let sourcePosition = new Position( root, [ 3, 3, 3 ] );
  35. let howMany = 1;
  36. let targetPosition = new Position( root, [ 3, 3, 0 ] );
  37. moveDelta = getMoveDelta( sourcePosition, howMany, targetPosition, baseVersion );
  38. } );
  39. describe( 'MergeDelta', () => {
  40. it( 'node on the right side of merge was moved', () => {
  41. let mergePosition = new Position( root, [ 3, 3, 3 ] );
  42. let mergeDelta = getMergeDelta( mergePosition, 4, 12, baseVersion );
  43. let transformed = transform( moveDelta, mergeDelta );
  44. expect( transformed.length ).to.equal( 2 );
  45. baseVersion = mergeDelta.operations.length;
  46. expectDelta( transformed[ 0 ], {
  47. type: SplitDelta,
  48. operations: [
  49. {
  50. // This `SplitDelta` got created through reversing `MergeDelta`. It means that operations in
  51. // a `MergeDelta` had been reversed. One of them is `RemoveOperation` which got reversed into
  52. // `ReinsertOperation` because we want to get back the node from graveyard. `ReinsertOperation`
  53. // is treated in OT as `MoveOperation` and might be converted to it. This is why we have to
  54. // check whether the operation type is `MoveOperation`. This is all perfectly valid.
  55. type: MoveOperation,
  56. sourcePosition: new Position( gy, [ 0 ] ),
  57. howMany: 1,
  58. targetPosition: new Position( root, [ 3, 3, 3 ] ),
  59. baseVersion: baseVersion
  60. },
  61. {
  62. type: MoveOperation,
  63. sourcePosition: new Position( root, [ 3, 3, 2, 4 ] ),
  64. howMany: 12,
  65. targetPosition: new Position( root, [ 3, 3, 3, 0 ] ),
  66. baseVersion: baseVersion + 1
  67. }
  68. ]
  69. } );
  70. expectDelta( transformed[ 1 ], {
  71. type: MoveDelta,
  72. operations: [
  73. {
  74. type: MoveOperation,
  75. sourcePosition: moveDelta._moveOperation.sourcePosition,
  76. howMany: moveDelta._moveOperation.howMany,
  77. targetPosition: moveDelta._moveOperation.targetPosition,
  78. baseVersion: baseVersion + 2
  79. }
  80. ]
  81. } );
  82. // Test if deltas do what they should after applying transformed delta.
  83. applyDelta( mergeDelta, doc );
  84. applyDelta( transformed[ 0 ], doc );
  85. applyDelta( transformed[ 1 ], doc );
  86. let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3 ] ), 1 ) );
  87. // MoveDelta is applied. MergeDelta is discarded.
  88. expect( nodesAndText ).to.equal( 'DIVPabcfoobarxyzPXXXXXabcdXDIV' );
  89. } );
  90. it( 'move range in merged node', () => {
  91. let mergePosition = new Position( root, [ 3, 3 ] );
  92. let mergeDelta = getMergeDelta( mergePosition, 1, 4, baseVersion );
  93. let transformed = transform( moveDelta, mergeDelta );
  94. expect( transformed.length ).to.equal( 1 );
  95. baseVersion = mergeDelta.operations.length;
  96. expectDelta( transformed[ 0 ], {
  97. type: MoveDelta,
  98. operations: [
  99. {
  100. type: MoveOperation,
  101. sourcePosition: new Position( root, [ 3, 2, 4 ] ),
  102. howMany: 1,
  103. targetPosition: new Position( root, [ 3, 2, 1 ] ),
  104. baseVersion: baseVersion
  105. }
  106. ]
  107. } );
  108. } );
  109. } );
  110. } );
  111. } );