undo.js 18 KB

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  1. /**
  2. * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
  4. */
  5. import { Client, expectClients, clearBuffer } from './utils.js';
  6. import DocumentFragment from '../../../../src/model/documentfragment';
  7. import Element from '../../../../src/model/element';
  8. import Text from '../../../../src/model/text';
  9. describe( 'transform', () => {
  10. let john;
  11. beforeEach( () => {
  12. return Client.get( 'john' ).then( client => ( john = client ) );
  13. } );
  14. afterEach( () => {
  15. clearBuffer();
  16. return john.destroy();
  17. } );
  18. it( 'split, remove', () => {
  19. john.setData( '<paragraph>Foo[]Bar</paragraph>' );
  20. john.split();
  21. john.setSelection( [ 1 ], [ 2 ] );
  22. john.remove();
  23. john.undo();
  24. john.undo();
  25. expectClients( '<paragraph>FooBar</paragraph>' );
  26. } );
  27. it( 'move, merge', () => {
  28. john.setData( '[<paragraph>Foo</paragraph>]<paragraph>Bar</paragraph>' );
  29. john.move( [ 2 ] );
  30. john.setSelection( [ 1 ] );
  31. john.merge();
  32. john.undo();
  33. john.undo();
  34. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  35. } );
  36. it.skip( 'move multiple, merge', () => {
  37. john.setData( '[<paragraph>Foo</paragraph><paragraph>Bar</paragraph>]<paragraph>Xyz</paragraph>' );
  38. john.move( [ 3 ] );
  39. expectClients( '<paragraph>Xyz</paragraph><paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  40. john.setSelection( [ 1 ] );
  41. john.merge();
  42. expectClients( '<paragraph>XyzFoo</paragraph><paragraph>Bar</paragraph>' );
  43. john.undo();
  44. expectClients( '<paragraph>Xyz</paragraph><paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  45. john.undo();
  46. // Wrong move is done.
  47. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph><paragraph>Xyz</paragraph>' );
  48. } );
  49. it( 'move inside unwrapped content', () => {
  50. john.setData( '<blockQuote>[<paragraph>Foo</paragraph>]<paragraph>Bar</paragraph></blockQuote>' );
  51. john.move( [ 0, 2 ] );
  52. john.setSelection( [ 0, 0 ] );
  53. john.unwrap();
  54. john.undo();
  55. john.undo();
  56. expectClients(
  57. '<blockQuote>' +
  58. '<paragraph>Foo</paragraph>' +
  59. '<paragraph>Bar</paragraph>' +
  60. '</blockQuote>'
  61. );
  62. } );
  63. it( 'remove node, merge', () => {
  64. john.setData( '<paragraph>Foo</paragraph><paragraph>[Bar]</paragraph>' );
  65. john.remove();
  66. john.setSelection( [ 1 ] );
  67. john.merge();
  68. john.undo();
  69. john.undo();
  70. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  71. } );
  72. it( 'merge, merge #1', () => {
  73. john.setData(
  74. '<blockQuote>' +
  75. '<paragraph>Foo</paragraph>' +
  76. '<paragraph>Bar</paragraph>' +
  77. '</blockQuote>' +
  78. '[]' +
  79. '<blockQuote>' +
  80. '<paragraph>Xyz</paragraph>' +
  81. '</blockQuote>'
  82. );
  83. john.merge();
  84. john.setSelection( [ 0, 2 ] );
  85. john.merge();
  86. expectClients(
  87. '<blockQuote>' +
  88. '<paragraph>Foo</paragraph>' +
  89. '<paragraph>BarXyz</paragraph>' +
  90. '</blockQuote>'
  91. );
  92. john.undo();
  93. john.undo();
  94. expectClients(
  95. '<blockQuote>' +
  96. '<paragraph>Foo</paragraph>' +
  97. '<paragraph>Bar</paragraph>' +
  98. '</blockQuote>' +
  99. '<blockQuote>' +
  100. '<paragraph>Xyz</paragraph>' +
  101. '</blockQuote>'
  102. );
  103. } );
  104. it( 'merge, merge #2', () => {
  105. john.setData(
  106. '<blockQuote>' +
  107. '<paragraph>Foo</paragraph>' +
  108. '</blockQuote>' +
  109. '[]' +
  110. '<blockQuote>' +
  111. '<paragraph>Bar</paragraph>' +
  112. '<paragraph>Xyz</paragraph>' +
  113. '</blockQuote>'
  114. );
  115. john.merge();
  116. john.setSelection( [ 0, 1 ] );
  117. john.merge();
  118. expectClients(
  119. '<blockQuote>' +
  120. '<paragraph>FooBar</paragraph>' +
  121. '<paragraph>Xyz</paragraph>' +
  122. '</blockQuote>'
  123. );
  124. john.undo();
  125. john.undo();
  126. expectClients(
  127. '<blockQuote>' +
  128. '<paragraph>Foo</paragraph>' +
  129. '</blockQuote>' +
  130. '<blockQuote>' +
  131. '<paragraph>Bar</paragraph>' +
  132. '<paragraph>Xyz</paragraph>' +
  133. '</blockQuote>'
  134. );
  135. } );
  136. it( 'merge, unwrap', () => {
  137. john.setData( '<paragraph></paragraph>[]<paragraph>Foo</paragraph>' );
  138. john.merge();
  139. john.setSelection( [ 0, 0 ] );
  140. john.unwrap();
  141. john.undo();
  142. john.undo();
  143. expectClients( '<paragraph></paragraph><paragraph>Foo</paragraph>' );
  144. } );
  145. it( 'remove node at the split position #1', () => {
  146. john.setData( '<paragraph>Ab</paragraph>[]<paragraph>Xy</paragraph>' );
  147. john.merge();
  148. john.setSelection( [ 0, 1 ], [ 0, 2 ] );
  149. john.remove();
  150. john.undo();
  151. john.undo();
  152. expectClients( '<paragraph>Ab</paragraph><paragraph>Xy</paragraph>' );
  153. } );
  154. it( 'remove node at the split position #2', () => {
  155. john.setData( '<paragraph>Ab</paragraph>[]<paragraph>Xy</paragraph>' );
  156. john.merge();
  157. john.setSelection( [ 0, 2 ], [ 0, 3 ] );
  158. john.remove();
  159. john.undo();
  160. john.undo();
  161. expectClients( '<paragraph>Ab</paragraph><paragraph>Xy</paragraph>' );
  162. } );
  163. it( 'undoing split after the element created by split has been removed', () => {
  164. // This example is ported here from ckeditor5-undo to keep 100% CC in ckeditor5-engine alone.
  165. john.setData( '<paragraph>Foo[]bar</paragraph>' );
  166. john.split();
  167. john.setSelection( [ 0, 3 ], [ 1, 3 ] );
  168. john.delete();
  169. expectClients( '<paragraph>Foo</paragraph>' );
  170. john.undo();
  171. expectClients( '<paragraph>Foo</paragraph><paragraph>bar</paragraph>' );
  172. john.undo();
  173. expectClients( '<paragraph>Foobar</paragraph>' );
  174. } );
  175. it( 'remove text from paragraph and merge it', () => {
  176. john.setData( '<paragraph>Foo</paragraph><paragraph>[Bar]</paragraph>' );
  177. john.remove();
  178. john.setSelection( [ 1 ] );
  179. john.merge();
  180. expectClients( '<paragraph>Foo</paragraph>' );
  181. john.undo();
  182. expectClients( '<paragraph>Foo</paragraph><paragraph></paragraph>' );
  183. john.undo();
  184. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  185. } );
  186. it( 'delete split paragraphs', () => {
  187. john.setData( '<paragraph>Foo</paragraph><paragraph>B[]ar</paragraph>' );
  188. john.split();
  189. john.setSelection( [ 2, 1 ] );
  190. john.split();
  191. john.setSelection( [ 1, 0 ], [ 3, 1 ] );
  192. john.delete();
  193. john.setSelection( [ 1 ] );
  194. john.merge();
  195. expectClients( '<paragraph>Foo</paragraph>' );
  196. john.undo();
  197. expectClients( '<paragraph>Foo</paragraph><paragraph></paragraph>' );
  198. john.undo();
  199. expectClients( '<paragraph>Foo</paragraph><paragraph>B</paragraph><paragraph>a</paragraph><paragraph>r</paragraph>' );
  200. john.undo();
  201. expectClients( '<paragraph>Foo</paragraph><paragraph>B</paragraph><paragraph>ar</paragraph>' );
  202. john.undo();
  203. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  204. john.redo();
  205. expectClients( '<paragraph>Foo</paragraph><paragraph>B</paragraph><paragraph>ar</paragraph>' );
  206. john.redo();
  207. expectClients( '<paragraph>Foo</paragraph><paragraph>B</paragraph><paragraph>a</paragraph><paragraph>r</paragraph>' );
  208. john.redo();
  209. expectClients( '<paragraph>Foo</paragraph><paragraph></paragraph>' );
  210. john.redo();
  211. expectClients( '<paragraph>Foo</paragraph>' );
  212. } );
  213. it( 'pasting on collapsed selection undo and redo', () => {
  214. john.setData( '<paragraph>Foo[]Bar</paragraph>' );
  215. // Below simulates pasting.
  216. john.editor.model.change( () => {
  217. john.split();
  218. john.setSelection( [ 1 ] );
  219. john.insert( '<paragraph>1</paragraph>' );
  220. john.setSelection( [ 1 ] );
  221. john.merge();
  222. john.setSelection( [ 1 ] );
  223. john.insert( '<paragraph>2</paragraph>' );
  224. john.setSelection( [ 2 ] );
  225. john.merge();
  226. } );
  227. expectClients( '<paragraph>Foo1</paragraph><paragraph>2Bar</paragraph>' );
  228. john.undo();
  229. expectClients( '<paragraph>FooBar</paragraph>' );
  230. john.redo();
  231. expectClients( '<paragraph>Foo1</paragraph><paragraph>2Bar</paragraph>' );
  232. john.undo();
  233. expectClients( '<paragraph>FooBar</paragraph>' );
  234. john.redo();
  235. expectClients( '<paragraph>Foo1</paragraph><paragraph>2Bar</paragraph>' );
  236. } );
  237. it( 'selection attribute setting: split, bold, merge, undo, undo, undo', () => {
  238. // This test is ported from undo to keep 100% CC in engine.
  239. john.setData( '<paragraph>Foo[]</paragraph><paragraph>Bar</paragraph>' );
  240. john.split();
  241. john.setSelection( [ 1, 0 ] );
  242. john._processExecute( 'bold' );
  243. john._processExecute( 'forwardDelete' );
  244. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  245. john.undo();
  246. expectClients( '<paragraph>Foo</paragraph><paragraph selection:bold="true"></paragraph><paragraph>Bar</paragraph>' );
  247. john.undo();
  248. expectClients( '<paragraph>Foo</paragraph><paragraph></paragraph><paragraph>Bar</paragraph>' );
  249. john.undo();
  250. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  251. } );
  252. // https://github.com/ckeditor/ckeditor5/issues/1288
  253. it( 'remove two groups of blocks then undo, undo', () => {
  254. john.setData(
  255. '<paragraph>X</paragraph><paragraph>A</paragraph><paragraph>B[</paragraph><paragraph>C</paragraph><paragraph>D]</paragraph>'
  256. );
  257. john.delete();
  258. john.setSelection( [ 0, 1 ], [ 2, 1 ] );
  259. john.delete();
  260. expectClients( '<paragraph>X</paragraph>' );
  261. john.undo();
  262. expectClients( '<paragraph>X</paragraph><paragraph>A</paragraph><paragraph>B</paragraph>' );
  263. john.undo();
  264. expectClients(
  265. '<paragraph>X</paragraph><paragraph>A</paragraph><paragraph>B</paragraph><paragraph>C</paragraph><paragraph>D</paragraph>'
  266. );
  267. } );
  268. // https://github.com/ckeditor/ckeditor5/issues/1287 TC1
  269. it( 'pasting on non-collapsed selection undo and redo', () => {
  270. john.setData( '<paragraph>Fo[o</paragraph><paragraph>B]ar</paragraph>' );
  271. // Below simulates pasting.
  272. john.editor.model.change( () => {
  273. john.editor.model.deleteContent( john.document.selection );
  274. john.setSelection( [ 0, 2 ] );
  275. john.split();
  276. john.setSelection( [ 1 ] );
  277. john.insert( '<paragraph>1</paragraph>' );
  278. john.setSelection( [ 1 ] );
  279. john.merge();
  280. john.setSelection( [ 1 ] );
  281. john.insert( '<paragraph>2</paragraph>' );
  282. john.setSelection( [ 2 ] );
  283. john.merge();
  284. } );
  285. expectClients( '<paragraph>Fo1</paragraph><paragraph>2ar</paragraph>' );
  286. john.undo();
  287. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  288. john.redo();
  289. expectClients( '<paragraph>Fo1</paragraph><paragraph>2ar</paragraph>' );
  290. john.undo();
  291. expectClients( '<paragraph>Foo</paragraph><paragraph>Bar</paragraph>' );
  292. } );
  293. it( 'collapsed marker at the beginning of merged element then undo', () => {
  294. john.setData( '<paragraph>Foo</paragraph><paragraph>[]Bar</paragraph>' );
  295. john.setMarker( 'm1' );
  296. john.setSelection( [ 1 ] );
  297. john.merge();
  298. expectClients( '<paragraph>Foo<m1:start></m1:start>Bar</paragraph>' );
  299. john.undo();
  300. expectClients( '<paragraph>Foo</paragraph><paragraph><m1:start></m1:start>Bar</paragraph>' );
  301. } );
  302. it( 'collapsed marker at the end of merge-target element then undo', () => {
  303. john.setData( '<paragraph>Foo[]</paragraph><paragraph>Bar</paragraph>' );
  304. john.setMarker( 'm1' );
  305. john.setSelection( [ 1 ] );
  306. john.merge();
  307. expectClients( '<paragraph>Foo<m1:start></m1:start>Bar</paragraph>' );
  308. john.undo();
  309. expectClients( '<paragraph>Foo<m1:start></m1:start></paragraph><paragraph>Bar</paragraph>' );
  310. } );
  311. it( 'empty marker between merged elements then undo', () => {
  312. john.setData( '<paragraph>Foo[</paragraph><paragraph>]Bar</paragraph>' );
  313. john.setMarker( 'm1' );
  314. john.setSelection( [ 1 ] );
  315. john.merge();
  316. expectClients( '<paragraph>Foo<m1:start></m1:start>Bar</paragraph>' );
  317. john.undo();
  318. expectClients( '<paragraph>Foo<m1:start></m1:start></paragraph><paragraph><m1:end></m1:end>Bar</paragraph>' );
  319. } );
  320. it( 'left side of marker moved then undo', () => {
  321. john.setData( '<paragraph>Foo[bar]</paragraph><paragraph></paragraph>' );
  322. john.setMarker( 'm1' );
  323. john.setSelection( [ 0, 2 ], [ 0, 4 ] );
  324. john.move( [ 1, 0 ] );
  325. expectClients( '<paragraph>Fo<m1:start></m1:start>ar<m1:end></m1:end></paragraph><paragraph>ob</paragraph>' );
  326. john.undo();
  327. expectClients( '<paragraph>Foo<m1:start></m1:start>bar<m1:end></m1:end></paragraph><paragraph></paragraph>' );
  328. } );
  329. it( 'right side of marker moved then undo', () => {
  330. john.setData( '<paragraph>[Foo]bar</paragraph><paragraph></paragraph>' );
  331. john.setMarker( 'm1' );
  332. john.setSelection( [ 0, 2 ], [ 0, 4 ] );
  333. john.move( [ 1, 0 ] );
  334. expectClients( '<paragraph><m1:start></m1:start>Fo<m1:end></m1:end>ar</paragraph><paragraph>ob</paragraph>' );
  335. john.undo();
  336. expectClients( '<paragraph><m1:start></m1:start>Foo<m1:end></m1:end>bar</paragraph><paragraph></paragraph>' );
  337. } );
  338. it( 'marker on closing and opening tag - remove multiple elements #1', () => {
  339. john.setData(
  340. '<paragraph>Abc</paragraph>' +
  341. '<paragraph>Foo[</paragraph>' +
  342. '<paragraph>]Bar</paragraph>'
  343. );
  344. john.setMarker( 'm1' );
  345. john.setSelection( [ 0, 1 ], [ 2, 2 ] );
  346. john._processExecute( 'delete' );
  347. expectClients( '<paragraph>A<m1:start></m1:start>r</paragraph>' );
  348. john.undo();
  349. expectClients(
  350. '<paragraph>Abc</paragraph>' +
  351. '<paragraph>Foo<m1:start></m1:start></paragraph>' +
  352. '<paragraph><m1:end></m1:end>Bar</paragraph>'
  353. );
  354. } );
  355. it( 'marker on closing and opening tag - remove multiple elements #2', () => {
  356. john.setData(
  357. '<paragraph>Foo[</paragraph>' +
  358. '<paragraph>]Bar</paragraph>' +
  359. '<paragraph>Xyz</paragraph>'
  360. );
  361. john.setMarker( 'm1' );
  362. john.setSelection( [ 0, 1 ], [ 2, 2 ] );
  363. john._processExecute( 'delete' );
  364. expectClients( '<paragraph>F<m1:start></m1:start>z</paragraph>' );
  365. john.undo();
  366. expectClients(
  367. '<paragraph>Foo<m1:start></m1:start></paragraph>' +
  368. '<paragraph><m1:end></m1:end>Bar</paragraph>' +
  369. '<paragraph>Xyz</paragraph>'
  370. );
  371. } );
  372. it( 'marker on closing and opening tag + some text - merge elements + remove text', () => {
  373. john.setData(
  374. '<paragraph>Foo[</paragraph>' +
  375. '<paragraph>B]ar</paragraph>'
  376. );
  377. john.setMarker( 'm1' );
  378. john.setSelection( [ 0, 1 ], [ 1, 2 ] );
  379. john._processExecute( 'delete' );
  380. expectClients( '<paragraph>F<m1:start></m1:start>r</paragraph>' );
  381. john.undo();
  382. expectClients(
  383. '<paragraph>Foo<m1:start></m1:start></paragraph>' +
  384. '<paragraph>B<m1:end></m1:end>ar</paragraph>'
  385. );
  386. } );
  387. // https://github.com/ckeditor/ckeditor5-engine/issues/1668
  388. it( 'marker and moves with undo-redo-undo', () => {
  389. john.setData( '<paragraph>X[]Y</paragraph>' );
  390. const inputBufferBatch = john.editor.commands.get( 'input' ).buffer.batch;
  391. john.editor.model.enqueueChange( inputBufferBatch, () => {
  392. john.type( 'a' );
  393. john.type( 'b' );
  394. john.type( 'c' );
  395. john.setSelection( [ 0, 1 ], [ 0, 4 ] );
  396. john.setMarker( 'm1' );
  397. } );
  398. expectClients( '<paragraph>X<m1:start></m1:start>abc<m1:end></m1:end>Y</paragraph>' );
  399. john.setSelection( [ 0, 0 ], [ 0, 5 ] );
  400. john._processExecute( 'delete' );
  401. expectClients( '<paragraph></paragraph>' );
  402. john.undo();
  403. expectClients( '<paragraph>X<m1:start></m1:start>abc<m1:end></m1:end>Y</paragraph>' );
  404. john.undo();
  405. expectClients( '<paragraph>XY</paragraph>' );
  406. john.redo();
  407. expectClients( '<paragraph>X<m1:start></m1:start>abc<m1:end></m1:end>Y</paragraph>' );
  408. john.redo();
  409. expectClients( '<paragraph></paragraph>' );
  410. john.undo();
  411. expectClients( '<paragraph>X<m1:start></m1:start>abc<m1:end></m1:end>Y</paragraph>' );
  412. john.undo();
  413. expectClients( '<paragraph>XY</paragraph>' );
  414. } );
  415. // https://github.com/ckeditor/ckeditor5/issues/1385
  416. it( 'paste inside paste + undo, undo + redo, redo', () => {
  417. const model = john.editor.model;
  418. john.setData( '<paragraph>[]</paragraph>' );
  419. model.insertContent( getPastedContent() );
  420. john.setSelection( [ 0, 3 ] );
  421. model.insertContent( getPastedContent() );
  422. expectClients( '<heading1>FooFoobarbar</heading1>' );
  423. john.undo();
  424. expectClients( '<heading1>Foobar</heading1>' );
  425. john.undo();
  426. expectClients( '<paragraph></paragraph>' );
  427. john.redo();
  428. expectClients( '<heading1>Foobar</heading1>' );
  429. john.redo();
  430. expectClients( '<heading1>FooFoobarbar</heading1>' );
  431. function getPastedContent() {
  432. return new Element( 'heading1', null, new Text( 'Foobar' ) );
  433. }
  434. } );
  435. // https://github.com/ckeditor/ckeditor5/issues/1540
  436. it( 'paste, select all, paste, undo, undo, redo, redo, redo', () => {
  437. john.setData( '<paragraph>[]</paragraph>' );
  438. pasteContent();
  439. john.setSelection( [ 0, 0 ], [ 1, 3 ] );
  440. pasteContent();
  441. expectClients( '<heading1>Foo</heading1><paragraph>Bar</paragraph>' );
  442. john.undo();
  443. expectClients( '<heading1>Foo</heading1><paragraph>Bar</paragraph>' );
  444. john.undo();
  445. expectClients( '<paragraph></paragraph>' );
  446. john.redo();
  447. expectClients( '<heading1>Foo</heading1><paragraph>Bar</paragraph>' );
  448. john.redo();
  449. expectClients( '<heading1>Foo</heading1><paragraph>Bar</paragraph>' );
  450. function pasteContent() {
  451. john.editor.model.insertContent(
  452. new DocumentFragment( [
  453. new Element( 'heading1', null, new Text( 'Foo' ) ),
  454. new Element( 'paragraph', null, new Text( 'Bar' ) )
  455. ] )
  456. );
  457. }
  458. } );
  459. // Happens in track changes. Emulated here.
  460. // https://github.com/ckeditor/ckeditor5-engine/issues/1701
  461. it( 'paste, remove, undo, undo, redo, redo', () => {
  462. john.setData( '<paragraph>Ab[]cd</paragraph><paragraph>Wxyz</paragraph>' );
  463. john.editor.model.insertContent(
  464. new DocumentFragment( [
  465. new Element( 'paragraph', null, new Text( 'Foo' ) ),
  466. new Element( 'paragraph', null, new Text( 'Bar' ) )
  467. ] )
  468. );
  469. john.setSelection( [ 1, 3 ], [ 2, 2 ] );
  470. john._processExecute( 'delete' );
  471. expectClients( '<paragraph>AbFoo</paragraph><paragraph>Baryz</paragraph>' );
  472. john.undo();
  473. expectClients( '<paragraph>AbFoo</paragraph><paragraph>Barcd</paragraph><paragraph>Wxyz</paragraph>' );
  474. john.undo();
  475. expectClients( '<paragraph>Abcd</paragraph><paragraph>Wxyz</paragraph>' );
  476. john.redo();
  477. expectClients( '<paragraph>AbFoo</paragraph><paragraph>Barcd</paragraph><paragraph>Wxyz</paragraph>' );
  478. john.redo();
  479. expectClients( '<paragraph>AbFoo</paragraph><paragraph>Baryz</paragraph>' );
  480. } );
  481. } );