liverange.js 19 KB

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  1. /**
  2. * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. import Document from '../../src/model/document';
  6. import Element from '../../src/model/element';
  7. import Position from '../../src/model/position';
  8. import LiveRange from '../../src/model/liverange';
  9. import Range from '../../src/model/range';
  10. import Text from '../../src/model/text';
  11. describe( 'LiveRange', () => {
  12. let doc, root, ul, p;
  13. before( () => {
  14. doc = new Document();
  15. root = doc.createRoot();
  16. let lis = [
  17. new Element( 'li', [], new Text( 'aaaaaaaaaa' ) ),
  18. new Element( 'li', [], new Text( 'bbbbbbbbbb' ) ),
  19. new Element( 'li', [], new Text( 'cccccccccc' ) ),
  20. new Element( 'li', [], new Text( 'dddddddddd' ) ),
  21. new Element( 'li', [], new Text( 'eeeeeeeeee' ) ),
  22. new Element( 'li', [], new Text( 'ffffffffff' ) ),
  23. new Element( 'li', [], new Text( 'gggggggggg' ) ),
  24. new Element( 'li', [], new Text( 'hhhhhhhhhh' ) )
  25. ];
  26. ul = new Element( 'ul', [], lis );
  27. p = new Element( 'p', [], new Text( 'qwertyuiop' ) );
  28. root.insertChildren( 0, [ ul, p, new Text( 'xyzxyz' ) ] );
  29. } );
  30. it( 'should be an instance of Range', () => {
  31. let live = new LiveRange( new Position( root, [ 0 ] ), new Position( root, [ 1 ] ) );
  32. live.detach();
  33. expect( live ).to.be.instanceof( Range );
  34. } );
  35. it( 'should listen to a change event of the document that owns this range', () => {
  36. sinon.spy( LiveRange.prototype, 'listenTo' );
  37. let live = new LiveRange( new Position( root, [ 0 ] ), new Position( root, [ 1 ] ) );
  38. live.detach();
  39. expect( live.listenTo.calledWith( doc, 'change' ) ).to.be.true;
  40. LiveRange.prototype.listenTo.restore();
  41. } );
  42. it( 'should stop listening when detached', () => {
  43. sinon.spy( LiveRange.prototype, 'stopListening' );
  44. let live = new LiveRange( new Position( root, [ 0 ] ), new Position( root, [ 1 ] ) );
  45. live.detach();
  46. expect( live.stopListening.called ).to.be.true;
  47. LiveRange.prototype.stopListening.restore();
  48. } );
  49. it( 'createIn should return LiveRange', () => {
  50. let range = LiveRange.createIn( p );
  51. expect( range ).to.be.instanceof( LiveRange );
  52. range.detach();
  53. } );
  54. it( 'createFromParentsAndOffsets should return LiveRange', () => {
  55. let range = LiveRange.createFromParentsAndOffsets( root, 0, p, 2 );
  56. expect( range ).to.be.instanceof( LiveRange );
  57. range.detach();
  58. } );
  59. it( 'createFromPositionAndShift should return LiveRange', () => {
  60. let range = LiveRange.createFromPositionAndShift( new Position( root, [ 0, 1 ] ), 4 );
  61. expect( range ).to.be.instanceof( LiveRange );
  62. range.detach();
  63. } );
  64. it( 'createFromRange should return LiveRange', () => {
  65. let range = LiveRange.createFromRange( new Range( new Position( root, [ 0 ] ), new Position( root, [ 1 ] ) ) );
  66. expect( range ).to.be.instanceof( LiveRange );
  67. range.detach();
  68. } );
  69. // Examples may seem weird when you compare them with the tree structure generated at the beginning of tests.
  70. // Since change event is fired _after_ operation is executed on tree model, you have to imagine that generated
  71. // structure is representing what is _after_ operation is executed. So live LiveRange properties are describing
  72. // virtual tree that is not existing anymore and event ranges are operating on the tree generated above.
  73. describe( 'should get transformed if', () => {
  74. let live, spy;
  75. beforeEach( () => {
  76. live = new LiveRange( new Position( root, [ 0, 1, 4 ] ), new Position( root, [ 0, 2, 2 ] ) );
  77. spy = sinon.spy();
  78. live.on( 'change', spy );
  79. } );
  80. afterEach( () => {
  81. live.detach();
  82. } );
  83. describe( 'insertion', () => {
  84. it( 'is in the same parent as range start and before it', () => {
  85. let insertRange = new Range( new Position( root, [ 0, 1, 0 ] ), new Position( root, [ 0, 1, 4 ] ) );
  86. doc.fire( 'change', 'insert', { range: insertRange }, null );
  87. expect( live.start.path ).to.deep.equal( [ 0, 1, 8 ] );
  88. expect( live.end.path ).to.deep.equal( [ 0, 2, 2 ] );
  89. expect( spy.calledOnce ).to.be.true;
  90. } );
  91. it( 'is in the same parent as range end and before it', () => {
  92. let insertRange = new Range( new Position( root, [ 0, 2, 0 ] ), new Position( root, [ 0, 2, 3 ] ) );
  93. doc.fire( 'change', 'insert', { range: insertRange }, null );
  94. expect( live.start.path ).to.deep.equal( [ 0, 1, 4 ] );
  95. expect( live.end.path ).to.deep.equal( [ 0, 2, 5 ] );
  96. expect( spy.calledOnce ).to.be.true;
  97. } );
  98. it( 'is at a position before a node from range start path', () => {
  99. let insertRange = new Range( new Position( root, [ 0, 0 ] ), new Position( root, [ 0, 2 ] ) );
  100. doc.fire( 'change', 'insert', { range: insertRange }, null );
  101. expect( live.start.path ).to.deep.equal( [ 0, 3, 4 ] );
  102. expect( live.end.path ).to.deep.equal( [ 0, 4, 2 ] );
  103. expect( spy.calledOnce ).to.be.true;
  104. } );
  105. it( 'is at a position before a node from range end path', () => {
  106. let insertRange = new Range( new Position( root, [ 0, 2 ] ), new Position( root, [ 0, 3 ] ) );
  107. doc.fire( 'change', 'insert', { range: insertRange }, null );
  108. expect( live.start.path ).to.deep.equal( [ 0, 1, 4 ] );
  109. expect( live.end.path ).to.deep.equal( [ 0, 3, 2 ] );
  110. expect( spy.calledOnce ).to.be.true;
  111. } );
  112. it( 'is at the live range start position and live range is collapsed', () => {
  113. live.end.path = [ 0, 1, 4 ];
  114. let insertRange = new Range( new Position( root, [ 0, 1, 4 ] ), new Position( root, [ 0, 1, 8 ] ) );
  115. doc.fire( 'change', 'insert', { range: insertRange }, null );
  116. expect( live.start.path ).to.deep.equal( [ 0, 1, 8 ] );
  117. expect( live.end.path ).to.deep.equal( [ 0, 1, 8 ] );
  118. expect( spy.calledOnce ).to.be.true;
  119. } );
  120. } );
  121. describe( 'range move', () => {
  122. it( 'is to the same parent as range start and before it', () => {
  123. let moveSource = new Position( root, [ 2 ] );
  124. let moveRange = new Range( new Position( root, [ 0, 1, 0 ] ), new Position( root, [ 0, 1, 4 ] ) );
  125. let changes = {
  126. range: moveRange,
  127. sourcePosition: moveSource
  128. };
  129. doc.fire( 'change', 'move', changes, null );
  130. expect( live.start.path ).to.deep.equal( [ 0, 1, 8 ] );
  131. expect( live.end.path ).to.deep.equal( [ 0, 2, 2 ] );
  132. expect( spy.calledOnce ).to.be.true;
  133. } );
  134. it( 'is to the same parent as range end and before it', () => {
  135. let moveSource = new Position( root, [ 3 ] );
  136. let moveRange = new Range( new Position( root, [ 0, 2, 0 ] ), new Position( root, [ 0, 2, 4 ] ) );
  137. let changes = {
  138. range: moveRange,
  139. sourcePosition: moveSource
  140. };
  141. doc.fire( 'change', 'move', changes, null );
  142. expect( live.start.path ).to.deep.equal( [ 0, 1, 4 ] );
  143. expect( live.end.path ).to.deep.equal( [ 0, 2, 6 ] );
  144. expect( spy.calledOnce ).to.be.true;
  145. } );
  146. it( 'is to a position before a node from range start path', () => {
  147. let moveSource = new Position( root, [ 2 ] );
  148. let moveRange = new Range( new Position( root, [ 0, 0 ] ), new Position( root, [ 0, 2 ] ) );
  149. let changes = {
  150. range: moveRange,
  151. sourcePosition: moveSource
  152. };
  153. doc.fire( 'change', 'move', changes, null );
  154. expect( live.start.path ).to.deep.equal( [ 0, 3, 4 ] );
  155. expect( live.end.path ).to.deep.equal( [ 0, 4, 2 ] );
  156. expect( spy.calledOnce ).to.be.true;
  157. } );
  158. it( 'is to a position before a node from range end path', () => {
  159. let moveSource = new Position( root, [ 2 ] );
  160. let moveRange = new Range( new Position( root, [ 0, 2 ] ), new Position( root, [ 0, 3 ] ) );
  161. let changes = {
  162. range: moveRange,
  163. sourcePosition: moveSource
  164. };
  165. doc.fire( 'change', 'move', changes, null );
  166. expect( live.start.path ).to.deep.equal( [ 0, 1, 4 ] );
  167. expect( live.end.path ).to.deep.equal( [ 0, 3, 2 ] );
  168. expect( spy.calledOnce ).to.be.true;
  169. } );
  170. it( 'is from the same parent as range start and before it', () => {
  171. let moveSource = new Position( root, [ 0, 1, 0 ] );
  172. let moveRange = new Range( new Position( root, [ 2, 0 ] ), new Position( root, [ 2, 3 ] ) );
  173. let changes = {
  174. range: moveRange,
  175. sourcePosition: moveSource
  176. };
  177. doc.fire( 'change', 'move', changes, null );
  178. expect( live.start.path ).to.deep.equal( [ 0, 1, 1 ] );
  179. expect( live.end.path ).to.deep.equal( [ 0, 2, 2 ] );
  180. expect( spy.calledOnce ).to.be.true;
  181. } );
  182. it( 'is from the same parent as range end and before it', () => {
  183. let moveSource = new Position( root, [ 0, 2, 0 ] );
  184. let moveRange = new Range( new Position( root, [ 2, 0 ] ), new Position( root, [ 2, 2 ] ) );
  185. let changes = {
  186. range: moveRange,
  187. sourcePosition: moveSource
  188. };
  189. doc.fire( 'change', 'move', changes, null );
  190. expect( live.start.path ).to.deep.equal( [ 0, 1, 4 ] );
  191. expect( live.end.path ).to.deep.equal( [ 0, 2, 0 ] );
  192. expect( spy.calledOnce ).to.be.true;
  193. } );
  194. it( 'is from a position before a node from range start path', () => {
  195. let moveSource = new Position( root, [ 0, 0 ] );
  196. let moveRange = new Range( new Position( root, [ 2, 0 ] ), new Position( root, [ 2, 1 ] ) );
  197. let changes = {
  198. range: moveRange,
  199. sourcePosition: moveSource
  200. };
  201. doc.fire( 'change', 'move', changes, null );
  202. expect( live.start.path ).to.deep.equal( [ 0, 0, 4 ] );
  203. expect( live.end.path ).to.deep.equal( [ 0, 1, 2 ] );
  204. expect( spy.calledOnce ).to.be.true;
  205. } );
  206. it( 'intersects on live range left side', () => {
  207. let moveSource = new Position( root, [ 0, 1, 2 ] );
  208. let moveRange = new Range( new Position( root, [ 2, 0 ] ), new Position( root, [ 2, 4 ] ) );
  209. let changes = {
  210. range: moveRange,
  211. sourcePosition: moveSource
  212. };
  213. doc.fire( 'change', 'move', changes, null );
  214. expect( live.start.path ).to.deep.equal( [ 0, 1, 2 ] );
  215. expect( live.end.path ).to.deep.equal( [ 0, 2, 2 ] );
  216. expect( spy.calledOnce ).to.be.true;
  217. } );
  218. it( 'intersects on live range right side', () => {
  219. let moveSource = new Position( root, [ 0, 2, 1 ] );
  220. let moveRange = new Range( new Position( root, [ 2, 0 ] ), new Position( root, [ 2, 4 ] ) );
  221. let changes = {
  222. range: moveRange,
  223. sourcePosition: moveSource
  224. };
  225. doc.fire( 'change', 'move', changes, null );
  226. expect( live.start.path ).to.deep.equal( [ 0, 1, 4 ] );
  227. expect( live.end.path ).to.deep.equal( [ 0, 2, 1 ] );
  228. expect( spy.calledOnce ).to.be.true;
  229. } );
  230. it( 'intersects on live range left side and live range new start is touching moved range end', () => {
  231. let moveSource = new Position( root, [ 0, 1, 0 ] );
  232. let moveRange = new Range( new Position( root, [ 0, 1 ] ), new Position( root, [ 0, 6 ] ) );
  233. let changes = {
  234. range: moveRange,
  235. sourcePosition: moveSource
  236. };
  237. doc.fire( 'change', 'move', changes, null );
  238. expect( live.start.path ).to.deep.equal( [ 0, 5 ] );
  239. expect( live.end.path ).to.deep.equal( [ 0, 7, 2 ] );
  240. expect( spy.calledOnce ).to.be.true;
  241. } );
  242. it( 'intersects on live range right side and live range new end is touching moved range start', () => {
  243. live.end.offset = 12;
  244. let moveSource = new Position( root, [ 0, 2, 10 ] );
  245. let moveRange = new Range( new Position( root, [ 0, 3, 0 ] ), new Position( root, [ 0, 3, 5 ] ) );
  246. let changes = {
  247. range: moveRange,
  248. sourcePosition: moveSource
  249. };
  250. doc.fire( 'change', 'move', changes, null );
  251. expect( live.start.path ).to.deep.equal( [ 0, 1, 4 ] );
  252. expect( live.end.path ).to.deep.equal( [ 0, 3, 2 ] );
  253. expect( spy.calledOnce ).to.be.true;
  254. } );
  255. it( 'is equal to live range', () => {
  256. live.end.path = [ 0, 1, 7 ];
  257. let moveSource = new Position( root, [ 0, 1, 4 ] );
  258. let moveRange = new Range( new Position( root, [ 0, 3, 0 ] ), new Position( root, [ 0, 3, 3 ] ) );
  259. let changes = {
  260. range: moveRange,
  261. sourcePosition: moveSource
  262. };
  263. doc.fire( 'change', 'move', changes, null );
  264. expect( live.start.path ).to.deep.equal( [ 0, 3, 0 ] );
  265. expect( live.end.path ).to.deep.equal( [ 0, 3, 3 ] );
  266. expect( spy.calledOnce ).to.be.true;
  267. } );
  268. it( 'contains live range', () => {
  269. live.end.path = [ 0, 1, 7 ];
  270. let moveSource = new Position( root, [ 0, 1, 3 ] );
  271. let moveRange = new Range( new Position( root, [ 0, 3, 0 ] ), new Position( root, [ 0, 3, 9 ] ) );
  272. let changes = {
  273. range: moveRange,
  274. sourcePosition: moveSource
  275. };
  276. doc.fire( 'change', 'move', changes, null );
  277. expect( live.start.path ).to.deep.equal( [ 0, 3, 1 ] );
  278. expect( live.end.path ).to.deep.equal( [ 0, 3, 4 ] );
  279. expect( spy.calledOnce ).to.be.true;
  280. } );
  281. it( 'is intersecting with live range and points to live range', () => {
  282. live.end.path = [ 0, 1, 12 ];
  283. let moveSource = new Position( root, [ 0, 1, 2 ] );
  284. let moveRange = new Range( new Position( root, [ 0, 1, 7 ] ), new Position( root, [ 0, 1, 10 ] ) );
  285. let changes = {
  286. range: moveRange,
  287. sourcePosition: moveSource
  288. };
  289. doc.fire( 'change', 'move', changes, null );
  290. expect( live.start.path ).to.deep.equal( [ 0, 1, 2 ] );
  291. expect( live.end.path ).to.deep.equal( [ 0, 1, 12 ] );
  292. expect( spy.calledOnce ).to.be.true;
  293. } );
  294. } );
  295. } );
  296. describe( 'should not get transformed if', () => {
  297. let otherRoot, spy;
  298. before( () => {
  299. otherRoot = doc.createRoot( '$root', 'otherRoot' );
  300. } );
  301. let live, clone;
  302. beforeEach( () => {
  303. live = new LiveRange( new Position( root, [ 0, 1, 4 ] ), new Position( root, [ 0, 2, 2 ] ) );
  304. clone = Range.createFromRange( live );
  305. spy = sinon.spy();
  306. live.on( 'change', spy );
  307. } );
  308. afterEach( () => {
  309. live.detach();
  310. } );
  311. describe( 'insertion', () => {
  312. it( 'is in the same parent as range start and after it', () => {
  313. let insertRange = new Range( new Position( root, [ 0, 1, 7 ] ), new Position( root, [ 0, 1, 9 ] ) );
  314. doc.fire( 'change', 'insert', { range: insertRange }, null );
  315. expect( live.isEqual( clone ) ).to.be.true;
  316. expect( spy.called ).to.be.false;
  317. } );
  318. it( 'is in the same parent as range end and after it', () => {
  319. let insertRange = new Range( new Position( root, [ 0, 2, 7 ] ), new Position( root, [ 0, 2, 9 ] ) );
  320. doc.fire( 'change', 'insert', { range: insertRange }, null );
  321. expect( live.isEqual( clone ) ).to.be.true;
  322. expect( spy.called ).to.be.false;
  323. } );
  324. it( 'is to a position after a node from range end path', () => {
  325. let insertRange = new Range( new Position( root, [ 3 ] ), new Position( root, [ 4 ] ) );
  326. doc.fire( 'change', 'insert', { range: insertRange }, null );
  327. expect( live.isEqual( clone ) ).to.be.true;
  328. expect( spy.called ).to.be.false;
  329. } );
  330. it( 'is in different root', () => {
  331. let insertRange = new Range( new Position( otherRoot, [ 0, 0 ] ), new Position( otherRoot, [ 0, 2 ] ) );
  332. doc.fire( 'change', 'insert', { range: insertRange }, null );
  333. expect( live.isEqual( clone ) ).to.be.true;
  334. expect( spy.called ).to.be.false;
  335. } );
  336. } );
  337. describe( 'range move', () => {
  338. it( 'is to the same parent as range start and after it', () => {
  339. let moveSource = new Position( root, [ 4 ] );
  340. let moveRange = new Range( new Position( root, [ 0, 1, 7 ] ), new Position( root, [ 0, 1, 9 ] ) );
  341. let changes = {
  342. range: moveRange,
  343. sourcePosition: moveSource
  344. };
  345. doc.fire( 'change', 'move', changes, null );
  346. expect( live.isEqual( clone ) ).to.be.true;
  347. expect( spy.called ).to.be.false;
  348. } );
  349. it( 'is to the same parent as range end and after it', () => {
  350. let moveSource = new Position( root, [ 4 ] );
  351. let moveRange = new Range( new Position( root, [ 0, 2, 3 ] ), new Position( root, [ 0, 2, 5 ] ) );
  352. let changes = {
  353. range: moveRange,
  354. sourcePosition: moveSource
  355. };
  356. doc.fire( 'change', 'move', changes, null );
  357. expect( live.isEqual( clone ) ).to.be.true;
  358. expect( spy.called ).to.be.false;
  359. } );
  360. it( 'is to a position after a node from range end path', () => {
  361. let moveSource = new Position( root, [ 4 ] );
  362. let moveRange = new Range( new Position( root, [ 0, 3 ] ), new Position( root, [ 0, 5 ] ) );
  363. let changes = {
  364. range: moveRange,
  365. sourcePosition: moveSource
  366. };
  367. doc.fire( 'change', 'move', changes, null );
  368. expect( live.isEqual( clone ) ).to.be.true;
  369. expect( spy.called ).to.be.false;
  370. } );
  371. it( 'is from the same parent as range start and after it', () => {
  372. let moveSource = new Position( root, [ 0, 1, 6 ] );
  373. let moveRange = new Range( new Position( root, [ 4, 0 ] ), new Position( root, [ 4, 3 ] ) );
  374. let changes = {
  375. range: moveRange,
  376. sourcePosition: moveSource
  377. };
  378. doc.fire( 'change', 'move', changes, null );
  379. expect( live.isEqual( clone ) ).to.be.true;
  380. expect( spy.called ).to.be.false;
  381. } );
  382. it( 'is from the same parent as range end and after it', () => {
  383. let moveSource = new Position( root, [ 0, 2, 4 ] );
  384. let moveRange = new Range( new Position( root, [ 4, 0 ] ), new Position( root, [ 4, 2 ] ) );
  385. let changes = {
  386. range: moveRange,
  387. sourcePosition: moveSource
  388. };
  389. doc.fire( 'change', 'move', changes, null );
  390. expect( live.isEqual( clone ) ).to.be.true;
  391. expect( spy.called ).to.be.false;
  392. } );
  393. it( 'is from a position after a node from range end path', () => {
  394. let moveSource = new Position( root, [ 0, 3 ] );
  395. let moveRange = new Range( new Position( root, [ 5, 0 ] ), new Position( root, [ 5, 1 ] ) );
  396. let changes = {
  397. range: moveRange,
  398. sourcePosition: moveSource
  399. };
  400. doc.fire( 'change', 'move', changes, null );
  401. expect( live.isEqual( clone ) ).to.be.true;
  402. expect( spy.called ).to.be.false;
  403. } );
  404. it( 'is to different root', () => {
  405. let moveSource = new Position( root, [ 2 ] );
  406. let moveRange = new Range( new Position( otherRoot, [ 0, 1, 0 ] ), new Position( otherRoot, [ 0, 1, 4 ] ) );
  407. let changes = {
  408. range: moveRange,
  409. sourcePosition: moveSource
  410. };
  411. doc.fire( 'change', 'move', changes, null );
  412. expect( live.isEqual( clone ) ).to.be.true;
  413. expect( spy.called ).to.be.false;
  414. } );
  415. it( 'is from different root', () => {
  416. let moveSource = new Position( otherRoot, [ 0, 2, 0 ] );
  417. let moveRange = new Range( new Position( root, [ 2, 0 ] ), new Position( root, [ 2, 2 ] ) );
  418. let changes = {
  419. range: moveRange,
  420. sourcePosition: moveSource
  421. };
  422. doc.fire( 'change', 'move', changes, null );
  423. expect( live.isEqual( clone ) ).to.be.true;
  424. expect( spy.called ).to.be.false;
  425. } );
  426. it( 'is inside live range and points to live range', () => {
  427. live.end.path = [ 0, 1, 12 ];
  428. let moveSource = new Position( root, [ 0, 1, 6 ] );
  429. let moveRange = new Range( new Position( root, [ 0, 1, 8 ] ), new Position( root, [ 0, 1, 10 ] ) );
  430. let changes = {
  431. range: moveRange,
  432. sourcePosition: moveSource
  433. };
  434. doc.fire( 'change', 'move', changes, null );
  435. expect( live.start.path ).to.deep.equal( [ 0, 1, 4 ] );
  436. expect( live.end.path ).to.deep.equal( [ 0, 1, 12 ] );
  437. expect( spy.calledOnce ).to.be.false;
  438. } );
  439. } );
  440. } );
  441. } );