documentselection.js 36 KB

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  1. /**
  2. * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. import Model from '../../src/model/model';
  6. import Batch from '../../src/model/batch';
  7. import Element from '../../src/model/element';
  8. import Text from '../../src/model/text';
  9. import Range from '../../src/model/range';
  10. import Position from '../../src/model/position';
  11. import LiveRange from '../../src/model/liverange';
  12. import DocumentSelection from '../../src/model/documentselection';
  13. import InsertOperation from '../../src/model/operation/insertoperation';
  14. import MoveOperation from '../../src/model/operation/moveoperation';
  15. import RemoveOperation from '../../src/model/operation/removeoperation';
  16. import AttributeOperation from '../../src/model/operation/attributeoperation';
  17. import SplitDelta from '../../src/model/delta/splitdelta';
  18. import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
  19. import count from '@ckeditor/ckeditor5-utils/src/count';
  20. import testUtils from '@ckeditor/ckeditor5-core/tests/_utils/utils';
  21. import { wrapInDelta } from '../../tests/model/_utils/utils';
  22. import { setData, getData } from '../../src/dev-utils/model';
  23. testUtils.createSinonSandbox();
  24. describe( 'DocumentSelection', () => {
  25. let model, doc, root, selection, liveRange, range;
  26. const fooStoreAttrKey = DocumentSelection._getStoreAttributeKey( 'foo' );
  27. const abcStoreAttrKey = DocumentSelection._getStoreAttributeKey( 'abc' );
  28. beforeEach( () => {
  29. model = new Model();
  30. doc = model.document;
  31. root = doc.createRoot();
  32. root.appendChildren( [
  33. new Element( 'p' ),
  34. new Element( 'p' ),
  35. new Element( 'p', [], new Text( 'foobar' ) ),
  36. new Element( 'p' ),
  37. new Element( 'p' ),
  38. new Element( 'p' ),
  39. new Element( 'p', [], new Text( 'foobar' ) )
  40. ] );
  41. selection = doc.selection;
  42. model.schema.register( 'p', { inheritAllFrom: '$block' } );
  43. model.schema.register( 'widget', {
  44. isObject: true
  45. } );
  46. liveRange = new LiveRange( new Position( root, [ 0 ] ), new Position( root, [ 1 ] ) );
  47. range = new Range( new Position( root, [ 2 ] ), new Position( root, [ 2, 2 ] ) );
  48. } );
  49. afterEach( () => {
  50. model.destroy();
  51. liveRange.detach();
  52. } );
  53. describe( 'default range', () => {
  54. it( 'should go to the first editable element', () => {
  55. const ranges = Array.from( selection.getRanges() );
  56. expect( ranges.length ).to.equal( 1 );
  57. expect( selection.anchor.isEqual( new Position( root, [ 0, 0 ] ) ) ).to.be.true;
  58. expect( selection.focus.isEqual( new Position( root, [ 0, 0 ] ) ) ).to.be.true;
  59. expect( selection ).to.have.property( 'isBackward', false );
  60. } );
  61. it( 'should be set to the beginning of the doc if there is no editable element', () => {
  62. model = new Model();
  63. doc = model.document;
  64. root = doc.createRoot();
  65. root.insertChildren( 0, new Text( 'foobar' ) );
  66. selection = doc.selection;
  67. const ranges = Array.from( selection.getRanges() );
  68. expect( ranges.length ).to.equal( 1 );
  69. expect( selection.anchor.isEqual( new Position( root, [ 0 ] ) ) ).to.be.true;
  70. expect( selection.focus.isEqual( new Position( root, [ 0 ] ) ) ).to.be.true;
  71. expect( selection ).to.have.property( 'isBackward', false );
  72. expect( count( selection.getAttributes() ) ).to.equal( 0 );
  73. } );
  74. it( 'should skip element when you can not put selection', () => {
  75. model = new Model();
  76. doc = model.document;
  77. root = doc.createRoot();
  78. root.insertChildren( 0, [
  79. new Element( 'img' ),
  80. new Element( 'p', [], new Text( 'foobar' ) )
  81. ] );
  82. model.schema.register( 'img' );
  83. model.schema.register( 'p', { inheritAllFrom: '$block' } );
  84. selection = doc.selection;
  85. const ranges = Array.from( selection.getRanges() );
  86. expect( ranges.length ).to.equal( 1 );
  87. expect( selection.anchor.isEqual( new Position( root, [ 1, 0 ] ) ) ).to.be.true;
  88. expect( selection.focus.isEqual( new Position( root, [ 1, 0 ] ) ) ).to.be.true;
  89. expect( selection ).to.have.property( 'isBackward', false );
  90. expect( count( selection.getAttributes() ) ).to.equal( 0 );
  91. } );
  92. } );
  93. describe( 'isCollapsed', () => {
  94. it( 'should be true for the default range (in text position)', () => {
  95. expect( selection.isCollapsed ).to.be.true;
  96. } );
  97. it( 'should be false for the default range (object selection) ', () => {
  98. root.insertChildren( 0, new Element( 'widget' ) );
  99. expect( selection.isCollapsed ).to.be.false;
  100. } );
  101. it( 'should back off to the default algorithm if selection has ranges', () => {
  102. selection._setTo( range );
  103. expect( selection.isCollapsed ).to.be.false;
  104. } );
  105. } );
  106. describe( 'anchor', () => {
  107. it( 'should equal the default range\'s start (in text position)', () => {
  108. const expectedPos = new Position( root, [ 0, 0 ] );
  109. expect( selection.anchor.isEqual( expectedPos ) ).to.be.true;
  110. } );
  111. it( 'should equal the default range\'s start (object selection)', () => {
  112. root.insertChildren( 0, new Element( 'widget' ) );
  113. const expectedPos = new Position( root, [ 0 ] );
  114. expect( selection.anchor.isEqual( expectedPos ) ).to.be.true;
  115. } );
  116. it( 'should back off to the default algorithm if selection has ranges', () => {
  117. selection._setTo( range );
  118. expect( selection.anchor.isEqual( range.start ) ).to.be.true;
  119. } );
  120. } );
  121. describe( 'focus', () => {
  122. it( 'should equal the default range\'s end (in text position)', () => {
  123. const expectedPos = new Position( root, [ 0, 0 ] );
  124. expect( selection.focus.isEqual( expectedPos ) ).to.be.true;
  125. } );
  126. it( 'should equal the default range\'s end (object selection)', () => {
  127. root.insertChildren( 0, new Element( 'widget' ) );
  128. const expectedPos = new Position( root, [ 1 ] );
  129. expect( selection.focus.isEqual( expectedPos ) ).to.be.true;
  130. expect( selection.focus.isEqual( selection.getFirstRange().end ) ).to.be.true;
  131. } );
  132. it( 'should back off to the default algorithm if selection has ranges', () => {
  133. selection._setTo( range );
  134. expect( selection.focus.isEqual( range.end ) ).to.be.true;
  135. } );
  136. } );
  137. describe( 'rangeCount', () => {
  138. it( 'should return proper range count', () => {
  139. expect( selection.rangeCount ).to.equal( 1 );
  140. selection._setTo( new Range( new Position( root, [ 0 ] ), new Position( root, [ 0 ] ) ) );
  141. expect( selection.rangeCount ).to.equal( 1 );
  142. selection._setTo( [
  143. new Range( new Position( root, [ 2 ] ), new Position( root, [ 2 ] ) ),
  144. new Range( new Position( root, [ 0 ] ), new Position( root, [ 0 ] ) )
  145. ] );
  146. expect( selection.rangeCount ).to.equal( 2 );
  147. } );
  148. } );
  149. describe( 'hasOwnRange', () => {
  150. it( 'should return true if selection has any ranges set', () => {
  151. selection._setTo( new Range( new Position( root, [ 0 ] ), new Position( root, [ 0 ] ) ) );
  152. expect( selection.hasOwnRange ).to.be.true;
  153. } );
  154. it( 'should return false if selection has a default range', () => {
  155. expect( selection.hasOwnRange ).to.be.false;
  156. } );
  157. } );
  158. describe( 'setTo - set collapsed at', () => {
  159. it( 'detaches all existing ranges', () => {
  160. selection._setTo( [ range, liveRange ] );
  161. const spy = testUtils.sinon.spy( LiveRange.prototype, 'detach' );
  162. selection._setTo( root );
  163. expect( spy.calledTwice ).to.be.true;
  164. } );
  165. } );
  166. describe( 'destroy()', () => {
  167. it( 'should unbind all events', () => {
  168. selection._setTo( [ range, liveRange ] );
  169. const ranges = Array.from( selection._selection._ranges );
  170. sinon.spy( ranges[ 0 ], 'detach' );
  171. sinon.spy( ranges[ 1 ], 'detach' );
  172. selection.destroy();
  173. expect( ranges[ 0 ].detach.called ).to.be.true;
  174. expect( ranges[ 1 ].detach.called ).to.be.true;
  175. ranges[ 0 ].detach.restore();
  176. ranges[ 1 ].detach.restore();
  177. } );
  178. } );
  179. describe( 'setFocus()', () => {
  180. it( 'modifies default range', () => {
  181. const startPos = selection.getFirstPosition();
  182. const endPos = Position.createAt( root, 'end' );
  183. selection._setFocus( endPos );
  184. expect( selection.anchor.compareWith( startPos ) ).to.equal( 'same' );
  185. expect( selection.focus.compareWith( endPos ) ).to.equal( 'same' );
  186. } );
  187. it( 'detaches the range it replaces', () => {
  188. const startPos = Position.createAt( root, 1 );
  189. const endPos = Position.createAt( root, 2 );
  190. const newEndPos = Position.createAt( root, 4 );
  191. const spy = testUtils.sinon.spy( LiveRange.prototype, 'detach' );
  192. selection._setTo( new Range( startPos, endPos ) );
  193. selection._setFocus( newEndPos );
  194. expect( spy.calledOnce ).to.be.true;
  195. } );
  196. it( 'refreshes attributes', () => {
  197. const spy = sinon.spy( selection._selection, '_updateAttributes' );
  198. selection._setFocus( Position.createAt( root, 1 ) );
  199. expect( spy.called ).to.be.true;
  200. } );
  201. } );
  202. describe( 'setTo - remove all ranges', () => {
  203. let spy, ranges;
  204. beforeEach( () => {
  205. selection._setTo( [ liveRange, range ] );
  206. spy = sinon.spy();
  207. selection.on( 'change:range', spy );
  208. ranges = Array.from( selection._selection._ranges );
  209. sinon.spy( ranges[ 0 ], 'detach' );
  210. sinon.spy( ranges[ 1 ], 'detach' );
  211. selection._setTo( null );
  212. } );
  213. afterEach( () => {
  214. ranges[ 0 ].detach.restore();
  215. ranges[ 1 ].detach.restore();
  216. } );
  217. it( 'should remove all stored ranges (and reset to default range)', () => {
  218. expect( Array.from( selection.getRanges() ).length ).to.equal( 1 );
  219. expect( selection.anchor.isEqual( new Position( root, [ 0, 0 ] ) ) ).to.be.true;
  220. expect( selection.focus.isEqual( new Position( root, [ 0, 0 ] ) ) ).to.be.true;
  221. } );
  222. it( 'should detach ranges', () => {
  223. expect( ranges[ 0 ].detach.called ).to.be.true;
  224. expect( ranges[ 1 ].detach.called ).to.be.true;
  225. } );
  226. it( 'should refresh attributes', () => {
  227. const spy = sinon.spy( selection._selection, '_updateAttributes' );
  228. selection._setTo( null );
  229. expect( spy.called ).to.be.true;
  230. } );
  231. } );
  232. describe( 'setTo()', () => {
  233. it( 'should throw an error when range is invalid', () => {
  234. expect( () => {
  235. selection._setTo( [ { invalid: 'range' } ] );
  236. } ).to.throw( CKEditorError, /model-selection-added-not-range/ );
  237. } );
  238. it( 'should log a warning when trying to set selection to the graveyard', () => {
  239. // eslint-disable-next-line no-undef
  240. const warnStub = sinon.stub( console, 'warn' );
  241. const range = new Range( new Position( model.document.graveyard, [ 0 ] ) );
  242. selection._setTo( range );
  243. expect( warnStub.calledOnce ).to.equal( true );
  244. expect( warnStub.getCall( 0 ).args[ 0 ] ).to.match( /model-selection-range-in-graveyard/ );
  245. expect( selection._ranges ).to.deep.equal( [] );
  246. warnStub.restore();
  247. } );
  248. it( 'should detach removed ranges', () => {
  249. selection._setTo( [ liveRange, range ] );
  250. const oldRanges = Array.from( selection._selection._ranges );
  251. sinon.spy( oldRanges[ 0 ], 'detach' );
  252. sinon.spy( oldRanges[ 1 ], 'detach' );
  253. selection._setTo( [] );
  254. expect( oldRanges[ 0 ].detach.called ).to.be.true;
  255. expect( oldRanges[ 1 ].detach.called ).to.be.true;
  256. } );
  257. it( 'should refresh attributes', () => {
  258. const spy = sinon.spy( selection._selection, '_updateAttributes' );
  259. selection._setTo( [ range ] );
  260. expect( spy.called ).to.be.true;
  261. } );
  262. // See #630.
  263. it( 'should refresh attributes – integration test for #630', () => {
  264. model.schema.extend( '$text', { allowIn: '$root' } );
  265. setData( model, 'f<$text italic="true">[o</$text><$text bold="true">ob]a</$text>r' );
  266. selection._setTo( [ Range.createFromPositionAndShift( selection.getLastRange().end, 0 ) ] );
  267. expect( selection.getAttribute( 'bold' ) ).to.equal( true );
  268. expect( selection.hasAttribute( 'italic' ) ).to.equal( false );
  269. expect( getData( model ) )
  270. .to.equal( 'f<$text italic="true">o</$text><$text bold="true">ob[]a</$text>r' );
  271. } );
  272. } );
  273. describe( 'getFirstRange()', () => {
  274. it( 'should return default range if no ranges were added', () => {
  275. const firstRange = selection.getFirstRange();
  276. expect( firstRange.start.isEqual( new Position( root, [ 0, 0 ] ) ) );
  277. expect( firstRange.end.isEqual( new Position( root, [ 0, 0 ] ) ) );
  278. } );
  279. } );
  280. describe( 'getLastRange()', () => {
  281. it( 'should return default range if no ranges were added', () => {
  282. const lastRange = selection.getLastRange();
  283. expect( lastRange.start.isEqual( new Position( root, [ 0, 0 ] ) ) );
  284. expect( lastRange.end.isEqual( new Position( root, [ 0, 0 ] ) ) );
  285. } );
  286. } );
  287. describe( '_isStoreAttributeKey', () => {
  288. it( 'should return true if given key is a key of an attribute stored in element by DocumentSelection', () => {
  289. expect( DocumentSelection._isStoreAttributeKey( fooStoreAttrKey ) ).to.be.true;
  290. } );
  291. it( 'should return false if given key is not a key of an attribute stored in element by DocumentSelection', () => {
  292. expect( DocumentSelection._isStoreAttributeKey( 'foo' ) ).to.be.false;
  293. } );
  294. } );
  295. describe( 'getSelectedElement()', () => {
  296. it( 'should return selected element', () => {
  297. selection._setTo( liveRange );
  298. const p = root.getChild( 0 );
  299. expect( selection.getSelectedElement() ).to.equal( p );
  300. } );
  301. } );
  302. // DocumentSelection uses LiveRanges so here are only simple test to see if integration is
  303. // working well, without getting into complicated corner cases.
  304. describe( 'after applying an operation should get updated and fire events', () => {
  305. let spyRange;
  306. beforeEach( () => {
  307. root.removeChildren( 0, root.childCount );
  308. root.insertChildren( 0, [
  309. new Element( 'p', [], new Text( 'abcdef' ) ),
  310. new Element( 'p', [], new Text( 'foobar' ) ),
  311. new Text( 'xyz' )
  312. ] );
  313. selection._setTo( new Range( new Position( root, [ 0, 2 ] ), new Position( root, [ 1, 4 ] ) ) );
  314. spyRange = sinon.spy();
  315. selection.on( 'change:range', spyRange );
  316. } );
  317. describe( 'InsertOperation', () => {
  318. it( 'before selection', () => {
  319. selection.on( 'change:range', ( evt, data ) => {
  320. expect( data.directChange ).to.be.false;
  321. } );
  322. model.applyOperation( wrapInDelta(
  323. new InsertOperation(
  324. new Position( root, [ 0, 1 ] ),
  325. 'xyz',
  326. doc.version
  327. )
  328. ) );
  329. const range = selection.getFirstRange();
  330. expect( range.start.path ).to.deep.equal( [ 0, 5 ] );
  331. expect( range.end.path ).to.deep.equal( [ 1, 4 ] );
  332. expect( spyRange.calledOnce ).to.be.true;
  333. } );
  334. it( 'inside selection', () => {
  335. selection.on( 'change:range', ( evt, data ) => {
  336. expect( data.directChange ).to.be.false;
  337. } );
  338. model.applyOperation( wrapInDelta(
  339. new InsertOperation(
  340. new Position( root, [ 1, 0 ] ),
  341. 'xyz',
  342. doc.version
  343. )
  344. ) );
  345. const range = selection.getFirstRange();
  346. expect( range.start.path ).to.deep.equal( [ 0, 2 ] );
  347. expect( range.end.path ).to.deep.equal( [ 1, 7 ] );
  348. expect( spyRange.calledOnce ).to.be.true;
  349. } );
  350. } );
  351. describe( 'MoveOperation', () => {
  352. it( 'move range from before a selection', () => {
  353. selection.on( 'change:range', ( evt, data ) => {
  354. expect( data.directChange ).to.be.false;
  355. } );
  356. model.applyOperation( wrapInDelta(
  357. new MoveOperation(
  358. new Position( root, [ 0, 0 ] ),
  359. 2,
  360. new Position( root, [ 2 ] ),
  361. doc.version
  362. )
  363. ) );
  364. const range = selection.getFirstRange();
  365. expect( range.start.path ).to.deep.equal( [ 0, 0 ] );
  366. expect( range.end.path ).to.deep.equal( [ 1, 4 ] );
  367. expect( spyRange.calledOnce ).to.be.true;
  368. } );
  369. it( 'moved into before a selection', () => {
  370. selection.on( 'change:range', ( evt, data ) => {
  371. expect( data.directChange ).to.be.false;
  372. } );
  373. model.applyOperation( wrapInDelta(
  374. new MoveOperation(
  375. new Position( root, [ 2 ] ),
  376. 2,
  377. new Position( root, [ 0, 0 ] ),
  378. doc.version
  379. )
  380. ) );
  381. const range = selection.getFirstRange();
  382. expect( range.start.path ).to.deep.equal( [ 0, 4 ] );
  383. expect( range.end.path ).to.deep.equal( [ 1, 4 ] );
  384. expect( spyRange.calledOnce ).to.be.true;
  385. } );
  386. it( 'move range from inside of selection', () => {
  387. selection.on( 'change:range', ( evt, data ) => {
  388. expect( data.directChange ).to.be.false;
  389. } );
  390. model.applyOperation( wrapInDelta(
  391. new MoveOperation(
  392. new Position( root, [ 1, 0 ] ),
  393. 2,
  394. new Position( root, [ 2 ] ),
  395. doc.version
  396. )
  397. ) );
  398. const range = selection.getFirstRange();
  399. expect( range.start.path ).to.deep.equal( [ 0, 2 ] );
  400. expect( range.end.path ).to.deep.equal( [ 1, 2 ] );
  401. expect( spyRange.calledOnce ).to.be.true;
  402. } );
  403. it( 'moved range intersects with selection', () => {
  404. selection.on( 'change:range', ( evt, data ) => {
  405. expect( data.directChange ).to.be.false;
  406. } );
  407. model.applyOperation( wrapInDelta(
  408. new MoveOperation(
  409. new Position( root, [ 1, 3 ] ),
  410. 2,
  411. new Position( root, [ 4 ] ),
  412. doc.version
  413. )
  414. ) );
  415. const range = selection.getFirstRange();
  416. expect( range.start.path ).to.deep.equal( [ 0, 2 ] );
  417. expect( range.end.path ).to.deep.equal( [ 5 ] );
  418. expect( spyRange.calledOnce ).to.be.true;
  419. } );
  420. it( 'split inside selection (do not break selection)', () => {
  421. selection.on( 'change:range', ( evt, data ) => {
  422. expect( data.directChange ).to.be.false;
  423. } );
  424. const batch = new Batch();
  425. const splitDelta = new SplitDelta();
  426. const insertOperation = new InsertOperation(
  427. new Position( root, [ 2 ] ),
  428. new Element( 'p' ),
  429. 0
  430. );
  431. const moveOperation = new MoveOperation(
  432. new Position( root, [ 1, 2 ] ),
  433. 4,
  434. new Position( root, [ 2, 0 ] ),
  435. 1
  436. );
  437. batch.addDelta( splitDelta );
  438. splitDelta.addOperation( insertOperation );
  439. splitDelta.addOperation( moveOperation );
  440. model.applyOperation( insertOperation );
  441. model.applyOperation( moveOperation );
  442. const range = selection.getFirstRange();
  443. expect( range.start.path ).to.deep.equal( [ 0, 2 ] );
  444. expect( range.end.path ).to.deep.equal( [ 2, 2 ] );
  445. expect( spyRange.calledOnce ).to.be.true;
  446. } );
  447. } );
  448. describe( 'AttributeOperation', () => {
  449. it( 'changed range includes selection anchor', () => {
  450. const spyAttribute = sinon.spy();
  451. selection.on( 'change:attribute', spyAttribute );
  452. selection.on( 'change:attribute', ( evt, data ) => {
  453. expect( data.directChange ).to.be.false;
  454. expect( data.attributeKeys ).to.deep.equal( [ 'foo' ] );
  455. } );
  456. model.applyOperation( wrapInDelta(
  457. new AttributeOperation(
  458. new Range( new Position( root, [ 0, 1 ] ), new Position( root, [ 0, 5 ] ) ),
  459. 'foo',
  460. null,
  461. 'bar',
  462. doc.version
  463. )
  464. ) );
  465. expect( selection.getAttribute( 'foo' ) ).to.equal( 'bar' );
  466. expect( spyAttribute.calledOnce ).to.be.true;
  467. } );
  468. it( 'should not overwrite previously set attributes', () => {
  469. selection._setAttribute( 'foo', 'xyz' );
  470. const spyAttribute = sinon.spy();
  471. selection.on( 'change:attribute', spyAttribute );
  472. model.applyOperation( wrapInDelta(
  473. new AttributeOperation(
  474. new Range( new Position( root, [ 0, 1 ] ), new Position( root, [ 0, 5 ] ) ),
  475. 'foo',
  476. null,
  477. 'bar',
  478. doc.version
  479. )
  480. ) );
  481. expect( selection.getAttribute( 'foo' ) ).to.equal( 'xyz' );
  482. expect( spyAttribute.called ).to.be.false;
  483. } );
  484. it( 'should not overwrite previously set attributes with same values', () => {
  485. selection._setAttribute( 'foo', 'xyz' );
  486. const spyAttribute = sinon.spy();
  487. selection.on( 'change:attribute', spyAttribute );
  488. model.applyOperation( wrapInDelta(
  489. new AttributeOperation(
  490. new Range( new Position( root, [ 0, 1 ] ), new Position( root, [ 0, 5 ] ) ),
  491. 'foo',
  492. null,
  493. 'xyz',
  494. doc.version
  495. )
  496. ) );
  497. expect( selection.getAttribute( 'foo' ) ).to.equal( 'xyz' );
  498. expect( spyAttribute.called ).to.be.false;
  499. } );
  500. it( 'should not overwrite previously removed attributes', () => {
  501. selection._setAttribute( 'foo', 'xyz' );
  502. selection._removeAttribute( 'foo' );
  503. const spyAttribute = sinon.spy();
  504. selection.on( 'change:attribute', spyAttribute );
  505. model.applyOperation( wrapInDelta(
  506. new AttributeOperation(
  507. new Range( new Position( root, [ 0, 1 ] ), new Position( root, [ 0, 5 ] ) ),
  508. 'foo',
  509. null,
  510. 'bar',
  511. doc.version
  512. )
  513. ) );
  514. expect( selection.hasAttribute( 'foo' ) ).to.be.false;
  515. expect( spyAttribute.called ).to.be.false;
  516. } );
  517. } );
  518. describe( 'RemoveOperation', () => {
  519. it( 'fix selection range if it ends up in graveyard #1', () => {
  520. selection._setTo( new Position( root, [ 1, 3 ] ) );
  521. model.applyOperation( wrapInDelta(
  522. new RemoveOperation(
  523. new Position( root, [ 1, 2 ] ),
  524. 2,
  525. new Position( doc.graveyard, [ 0 ] ),
  526. doc.version
  527. )
  528. ) );
  529. expect( selection.getFirstPosition().path ).to.deep.equal( [ 1, 2 ] );
  530. } );
  531. it( 'fix selection range if it ends up in graveyard #2', () => {
  532. selection._setTo( [ new Range( new Position( root, [ 1, 2 ] ), new Position( root, [ 1, 4 ] ) ) ] );
  533. model.applyOperation( wrapInDelta(
  534. new RemoveOperation(
  535. new Position( root, [ 1, 2 ] ),
  536. 2,
  537. new Position( doc.graveyard, [ 0 ] ),
  538. doc.version
  539. )
  540. ) );
  541. expect( selection.getFirstPosition().path ).to.deep.equal( [ 1, 2 ] );
  542. } );
  543. it( 'fix selection range if it ends up in graveyard #3', () => {
  544. selection._setTo( [ new Range( new Position( root, [ 1, 1 ] ), new Position( root, [ 1, 2 ] ) ) ] );
  545. model.applyOperation( wrapInDelta(
  546. new RemoveOperation(
  547. new Position( root, [ 1 ] ),
  548. 2,
  549. new Position( doc.graveyard, [ 0 ] ),
  550. doc.version
  551. )
  552. ) );
  553. expect( selection.getFirstPosition().path ).to.deep.equal( [ 0, 6 ] );
  554. } );
  555. it( 'fix selection range if it ends up in graveyard #4 - whole content removed', () => {
  556. model.applyOperation( wrapInDelta(
  557. new RemoveOperation(
  558. new Position( root, [ 0 ] ),
  559. 3,
  560. new Position( doc.graveyard, [ 0 ] ),
  561. doc.version
  562. )
  563. ) );
  564. expect( selection.getFirstPosition().path ).to.deep.equal( [ 0 ] );
  565. model.applyOperation( wrapInDelta(
  566. new InsertOperation(
  567. new Position( root, [ 0 ] ),
  568. new Element( 'p' ),
  569. doc.version
  570. )
  571. ) );
  572. // Now it's clear that it's the default range.
  573. expect( selection.getFirstPosition().path ).to.deep.equal( [ 0, 0 ] );
  574. } );
  575. } );
  576. } );
  577. describe( 'attributes', () => {
  578. let fullP, emptyP, rangeInFullP, rangeInEmptyP;
  579. beforeEach( () => {
  580. root.removeChildren( 0, root.childCount );
  581. root.appendChildren( [
  582. new Element( 'p', [], new Text( 'foobar' ) ),
  583. new Element( 'p', [], [] )
  584. ] );
  585. fullP = root.getChild( 0 );
  586. emptyP = root.getChild( 1 );
  587. rangeInFullP = new Range( new Position( root, [ 0, 4 ] ), new Position( root, [ 0, 4 ] ) );
  588. rangeInEmptyP = new Range( new Position( root, [ 1, 0 ] ), new Position( root, [ 1, 0 ] ) );
  589. // I've lost 30 mins debugging why my tests fail and that was due to the above code reusing
  590. // a root which wasn't empty (so the ranges didn't actually make much sense).
  591. expect( root.childCount ).to.equal( 2 );
  592. } );
  593. describe( '_setAttribute()', () => {
  594. it( 'should set attribute', () => {
  595. selection._setTo( [ rangeInEmptyP ] );
  596. selection._setAttribute( 'foo', 'bar' );
  597. expect( selection.getAttribute( 'foo' ) ).to.equal( 'bar' );
  598. } );
  599. } );
  600. describe( 'removeAttribute()', () => {
  601. it( 'should remove attribute set on the text fragment', () => {
  602. selection._setTo( [ rangeInFullP ] );
  603. selection._setAttribute( 'foo', 'bar' );
  604. selection._removeAttribute( 'foo' );
  605. expect( selection.getAttribute( 'foo' ) ).to.be.undefined;
  606. } );
  607. } );
  608. describe( '_getStoredAttributes()', () => {
  609. it( 'should return no values if there are no ranges in selection', () => {
  610. const values = Array.from( selection._getStoredAttributes() );
  611. expect( values ).to.deep.equal( [] );
  612. } );
  613. } );
  614. describe( 'are updated on a direct range change', () => {
  615. beforeEach( () => {
  616. root.insertChildren( 0, [
  617. new Element( 'p', { p: true } ),
  618. new Text( 'a', { a: true } ),
  619. new Element( 'p', { p: true } ),
  620. new Text( 'b', { b: true } ),
  621. new Text( 'c', { c: true } ),
  622. new Element( 'p', [], [
  623. new Text( 'd', { d: true } )
  624. ] ),
  625. new Element( 'p', { p: true } ),
  626. new Text( 'e', { e: true } )
  627. ] );
  628. } );
  629. it( 'if selection is a range, should find first character in it and copy it\'s attributes', () => {
  630. selection._setTo( [ new Range( new Position( root, [ 2 ] ), new Position( root, [ 5 ] ) ) ] );
  631. expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'b', true ] ] );
  632. // Step into elements when looking for first character:
  633. selection._setTo( [ new Range( new Position( root, [ 5 ] ), new Position( root, [ 7 ] ) ) ] );
  634. expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'd', true ] ] );
  635. } );
  636. it( 'if selection is collapsed it should seek a character to copy that character\'s attributes', () => {
  637. // Take styles from character before selection.
  638. selection._setTo( [ new Range( new Position( root, [ 2 ] ), new Position( root, [ 2 ] ) ) ] );
  639. expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'a', true ] ] );
  640. // If there are none,
  641. // Take styles from character after selection.
  642. selection._setTo( [ new Range( new Position( root, [ 3 ] ), new Position( root, [ 3 ] ) ) ] );
  643. expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'b', true ] ] );
  644. // If there are none,
  645. // Look from the selection position to the beginning of node looking for character to take attributes from.
  646. selection._setTo( [ new Range( new Position( root, [ 6 ] ), new Position( root, [ 6 ] ) ) ] );
  647. expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'c', true ] ] );
  648. // If there are none,
  649. // Look from the selection position to the end of node looking for character to take attributes from.
  650. selection._setTo( [ new Range( new Position( root, [ 0 ] ), new Position( root, [ 0 ] ) ) ] );
  651. expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'a', true ] ] );
  652. // If there are no characters to copy attributes from, use stored attributes.
  653. selection._setTo( [ new Range( new Position( root, [ 0, 0 ] ), new Position( root, [ 0, 0 ] ) ) ] );
  654. expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [] );
  655. } );
  656. it( 'should overwrite any previously set attributes', () => {
  657. selection._setTo( new Position( root, [ 5, 0 ] ) );
  658. selection._setAttribute( 'x', true );
  659. selection._setAttribute( 'y', true );
  660. expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'd', true ], [ 'x', true ], [ 'y', true ] ] );
  661. selection._setTo( new Position( root, [ 1 ] ) );
  662. expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'a', true ] ] );
  663. } );
  664. it( 'should fire change:attribute event', () => {
  665. const spy = sinon.spy();
  666. selection.on( 'change:attribute', spy );
  667. selection._setTo( [ new Range( new Position( root, [ 2 ] ), new Position( root, [ 5 ] ) ) ] );
  668. expect( spy.calledOnce ).to.be.true;
  669. } );
  670. it( 'should not fire change:attribute event if attributes did not change', () => {
  671. selection._setTo( new Position( root, [ 5, 0 ] ) );
  672. expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'd', true ] ] );
  673. const spy = sinon.spy();
  674. selection.on( 'change:attribute', spy );
  675. selection._setTo( new Position( root, [ 5, 1 ] ) );
  676. expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'd', true ] ] );
  677. expect( spy.called ).to.be.false;
  678. } );
  679. } );
  680. // #986
  681. describe( 'are not inherited from the inside of object elements', () => {
  682. beforeEach( () => {
  683. model.schema.register( 'image', {
  684. isObject: true
  685. } );
  686. model.schema.extend( 'image', { allowIn: '$root' } );
  687. model.schema.extend( 'image', { allowIn: '$block' } );
  688. model.schema.register( 'caption' );
  689. model.schema.extend( 'caption', { allowIn: 'image' } );
  690. model.schema.extend( '$text', {
  691. allowIn: [ 'image', 'caption' ],
  692. allowAttributes: 'bold'
  693. } );
  694. } );
  695. it( 'ignores attributes inside an object if selection contains that object', () => {
  696. setData( model, '<p>[<image><$text bold="true">Caption for the image.</$text></image>]</p>' );
  697. expect( selection.hasAttribute( 'bold' ) ).to.equal( false );
  698. } );
  699. it( 'ignores attributes inside an object if selection contains that object (deeper structure)', () => {
  700. setData( model, '<p>[<image><caption><$text bold="true">Caption for the image.</$text></caption></image>]</p>' );
  701. expect( selection.hasAttribute( 'bold' ) ).to.equal( false );
  702. } );
  703. it( 'ignores attributes inside an object if selection contains that object (block level)', () => {
  704. setData( model, '<p>foo</p>[<image><$text bold="true">Caption for the image.</$text></image>]<p>foo</p>' );
  705. expect( selection.hasAttribute( 'bold' ) ).to.equal( false );
  706. } );
  707. it( 'reads attributes from text even if the selection contains an object', () => {
  708. setData( model, '<p>x<$text bold="true">[bar</$text><image></image>foo]</p>' );
  709. expect( selection.getAttribute( 'bold' ) ).to.equal( true );
  710. } );
  711. it( 'reads attributes when the entire selection inside an object', () => {
  712. setData( model, '<p><image><caption><$text bold="true">[bar]</$text></caption></image></p>' );
  713. expect( selection.getAttribute( 'bold' ) ).to.equal( true );
  714. } );
  715. it( 'stops reading attributes if selection starts with an object', () => {
  716. setData( model, '<p>[<image></image><$text bold="true">bar]</$text></p>' );
  717. expect( selection.hasAttribute( 'bold' ) ).to.equal( false );
  718. } );
  719. } );
  720. describe( 'parent element\'s attributes', () => {
  721. it( 'are set using a normal batch', () => {
  722. const batchTypes = [];
  723. model.on( 'applyOperation', ( event, args ) => {
  724. const operation = args[ 0 ];
  725. const batch = operation.delta.batch;
  726. batchTypes.push( batch.type );
  727. } );
  728. selection._setTo( [ rangeInEmptyP ] );
  729. model.change( writer => {
  730. writer.setSelectionAttribute( 'foo', 'bar' );
  731. } );
  732. expect( batchTypes ).to.deep.equal( [ 'default' ] );
  733. expect( emptyP.getAttribute( fooStoreAttrKey ) ).to.equal( 'bar' );
  734. } );
  735. it( 'are removed when any content is inserted (reuses the same batch)', () => {
  736. // Dedupe batches by using a map (multiple change events will be fired).
  737. const batchTypes = new Map();
  738. selection._setTo( rangeInEmptyP );
  739. selection._setAttribute( 'foo', 'bar' );
  740. selection._setAttribute( 'abc', 'bar' );
  741. model.on( 'applyOperation', ( event, args ) => {
  742. const operation = args[ 0 ];
  743. const batch = operation.delta.batch;
  744. batchTypes.set( batch, batch.type );
  745. } );
  746. model.change( writer => {
  747. writer.insertText( 'x', rangeInEmptyP.start );
  748. } );
  749. expect( emptyP.hasAttribute( fooStoreAttrKey ) ).to.be.false;
  750. expect( emptyP.hasAttribute( abcStoreAttrKey ) ).to.be.false;
  751. expect( Array.from( batchTypes.values() ) ).to.deep.equal( [ 'default' ] );
  752. } );
  753. it( 'are removed when any content is moved into', () => {
  754. selection._setTo( rangeInEmptyP );
  755. selection._setAttribute( 'foo', 'bar' );
  756. model.change( writer => {
  757. writer.move( Range.createOn( fullP.getChild( 0 ) ), rangeInEmptyP.start );
  758. } );
  759. expect( emptyP.hasAttribute( fooStoreAttrKey ) ).to.be.false;
  760. } );
  761. it( 'are removed when containing element is merged with a non-empty element', () => {
  762. const emptyP2 = new Element( 'p', null, 'x' );
  763. root.appendChildren( emptyP2 );
  764. emptyP.setAttribute( fooStoreAttrKey, 'bar' );
  765. emptyP2.setAttribute( fooStoreAttrKey, 'bar' );
  766. model.change( writer => {
  767. // <emptyP>{}<emptyP2>
  768. writer.merge( Position.createAfter( emptyP ) );
  769. } );
  770. expect( emptyP.hasAttribute( fooStoreAttrKey ) ).to.be.false;
  771. expect( emptyP.parent ).to.equal( root ); // Just to be sure we're checking the right element.
  772. } );
  773. it( 'are removed even when there is no selection in it', () => {
  774. emptyP.setAttribute( fooStoreAttrKey, 'bar' );
  775. selection._setTo( [ rangeInFullP ] );
  776. model.change( writer => {
  777. writer.insertText( 'x', rangeInEmptyP.start );
  778. } );
  779. expect( emptyP.hasAttribute( fooStoreAttrKey ) ).to.be.false;
  780. } );
  781. it( 'are removed only once in case of multi-op deltas', () => {
  782. let batch;
  783. const emptyP2 = new Element( 'p', null, 'x' );
  784. root.appendChildren( emptyP2 );
  785. emptyP.setAttribute( fooStoreAttrKey, 'bar' );
  786. emptyP2.setAttribute( fooStoreAttrKey, 'bar' );
  787. model.change( writer => {
  788. batch = writer.batch;
  789. // <emptyP>{}<emptyP2>
  790. writer.merge( Position.createAfter( emptyP ) );
  791. } );
  792. expect( emptyP.hasAttribute( fooStoreAttrKey ) ).to.be.false;
  793. // Attribute delta is only one.
  794. expect( Array.from( batch.deltas, delta => delta.type ) ).to.deep.equal( [ 'merge', 'attribute' ] );
  795. } );
  796. it( 'uses model change to clear attributes', () => {
  797. selection._setTo( [ rangeInEmptyP ] );
  798. model.change( writer => {
  799. writer.setSelectionAttribute( 'foo', 'bar' );
  800. writer.insertText( 'x', rangeInEmptyP.start );
  801. // `emptyP` still has the attribute, because attribute clearing is in enqueued block.
  802. expect( emptyP.hasAttribute( fooStoreAttrKey ) ).to.be.true;
  803. } );
  804. // When the dust settles, `emptyP` should not have the attribute.
  805. expect( emptyP.hasAttribute( fooStoreAttrKey ) ).to.be.false;
  806. } );
  807. it( 'are not removed or merged when containing element is merged with another empty element', () => {
  808. const emptyP2 = new Element( 'p', null );
  809. root.appendChildren( emptyP2 );
  810. emptyP.setAttribute( fooStoreAttrKey, 'bar' );
  811. emptyP2.setAttribute( abcStoreAttrKey, 'bar' );
  812. expect( emptyP.hasAttribute( fooStoreAttrKey ) ).to.be.true;
  813. expect( emptyP.hasAttribute( abcStoreAttrKey ) ).to.be.false;
  814. model.change( writer => {
  815. // <emptyP>{}<emptyP2>
  816. writer.merge( Position.createAfter( emptyP ) );
  817. } );
  818. expect( emptyP.getAttribute( fooStoreAttrKey ) ).to.equal( 'bar' );
  819. expect( emptyP.parent ).to.equal( root ); // Just to be sure we're checking the right element.
  820. } );
  821. // Rename and some other deltas don't specify range in doc#change event.
  822. // So let's see if there's no crash or something.
  823. it( 'are not removed on rename', () => {
  824. model.change( writer => {
  825. writer.setSelection( rangeInEmptyP );
  826. writer.setSelectionAttribute( 'foo', 'bar' );
  827. } );
  828. sinon.spy( model, 'enqueueChange' );
  829. model.change( writer => {
  830. writer.rename( emptyP, 'pnew' );
  831. } );
  832. expect( model.enqueueChange.called ).to.be.false;
  833. expect( emptyP.getAttribute( fooStoreAttrKey ) ).to.equal( 'bar' );
  834. } );
  835. } );
  836. } );
  837. it( 'should throw if one of ranges starts or ends inside surrogate pair', () => {
  838. root.removeChildren( 0, root.childCount );
  839. root.appendChildren( '\uD83D\uDCA9' );
  840. expect( () => {
  841. doc.selection._setTo( Range.createFromParentsAndOffsets( root, 0, root, 1 ) );
  842. } ).to.throw( CKEditorError, /document-selection-wrong-position/ );
  843. expect( () => {
  844. doc.selection._setTo( Range.createFromParentsAndOffsets( root, 1, root, 2 ) );
  845. } ).to.throw( CKEditorError, /document-selection-wrong-position/ );
  846. } );
  847. it( 'should throw if one of ranges starts or ends between base character and combining mark', () => {
  848. root.removeChildren( 0, root.childCount );
  849. root.appendChildren( 'foo̻̐ͩbar' );
  850. expect( () => {
  851. doc.selection._setTo( Range.createFromParentsAndOffsets( root, 3, root, 9 ) );
  852. } ).to.throw( CKEditorError, /document-selection-wrong-position/ );
  853. expect( () => {
  854. doc.selection._setTo( Range.createFromParentsAndOffsets( root, 4, root, 9 ) );
  855. } ).to.throw( CKEditorError, /document-selection-wrong-position/ );
  856. expect( () => {
  857. doc.selection._setTo( Range.createFromParentsAndOffsets( root, 5, root, 9 ) );
  858. } ).to.throw( CKEditorError, /document-selection-wrong-position/ );
  859. expect( () => {
  860. doc.selection._setTo( Range.createFromParentsAndOffsets( root, 1, root, 3 ) );
  861. } ).to.throw( CKEditorError, /document-selection-wrong-position/ );
  862. expect( () => {
  863. doc.selection._setTo( Range.createFromParentsAndOffsets( root, 1, root, 4 ) );
  864. } ).to.throw( CKEditorError, /document-selection-wrong-position/ );
  865. expect( () => {
  866. doc.selection._setTo( Range.createFromParentsAndOffsets( root, 1, root, 5 ) );
  867. } ).to.throw( CKEditorError, /document-selection-wrong-position/ );
  868. } );
  869. } );