buildmodelconverter.js 20 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 buildModelConverter from '../../src/conversion/buildmodelconverter';
  6. import Model from '../../src/model/model';
  7. import ModelElement from '../../src/model/element';
  8. import ModelText from '../../src/model/text';
  9. import ModelRange from '../../src/model/range';
  10. import ModelPosition from '../../src/model/position';
  11. import ViewElement from '../../src/view/element';
  12. import ViewContainerElement from '../../src/view/containerelement';
  13. import ViewAttributeElement from '../../src/view/attributeelement';
  14. import ViewUIElement from '../../src/view/uielement';
  15. import ViewText from '../../src/view/text';
  16. import EditingController from '../../src/controller/editingcontroller';
  17. import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
  18. function viewAttributesToString( item ) {
  19. let result = '';
  20. for ( const key of item.getAttributeKeys() ) {
  21. const value = item.getAttribute( key );
  22. if ( value ) {
  23. result += ' ' + key + '="' + value + '"';
  24. }
  25. }
  26. return result;
  27. }
  28. function viewToString( item ) {
  29. let result = '';
  30. if ( item instanceof ViewText ) {
  31. result = item.data;
  32. } else {
  33. // ViewElement or ViewDocumentFragment.
  34. for ( const child of item.getChildren() ) {
  35. result += viewToString( child );
  36. }
  37. if ( item instanceof ViewElement ) {
  38. result = '<' + item.name + viewAttributesToString( item ) + '>' + result + '</' + item.name + '>';
  39. }
  40. }
  41. return result;
  42. }
  43. describe( 'Model converter builder', () => {
  44. let dispatcher, modelDoc, modelRoot, viewRoot, viewSelection, model, controller;
  45. beforeEach( () => {
  46. model = new Model();
  47. modelDoc = model.document;
  48. modelRoot = modelDoc.createRoot();
  49. controller = new EditingController( model );
  50. // Set name of view root the same as dom root.
  51. // This is a mock of attaching view root to dom root.
  52. controller.view.getRoot()._name = 'div';
  53. dispatcher = controller.modelToView;
  54. viewRoot = controller.view.getRoot();
  55. viewSelection = controller.view.selection;
  56. buildModelConverter().for( dispatcher ).fromElement( 'paragraph' ).toElement( 'p' );
  57. } );
  58. describe( 'model element to view element conversion', () => {
  59. it( 'using passed view element name', () => {
  60. const modelElement = new ModelElement( 'paragraph', null, new ModelText( 'foobar' ) );
  61. model.change( writer => {
  62. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  63. } );
  64. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  65. } );
  66. it( 'using passed view element', () => {
  67. buildModelConverter().for( dispatcher ).fromElement( 'image' ).toElement( new ViewContainerElement( 'img' ) );
  68. const modelElement = new ModelElement( 'image' );
  69. model.change( writer => {
  70. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  71. } );
  72. expect( viewToString( viewRoot ) ).to.equal( '<div><img></img></div>' );
  73. } );
  74. it( 'using passed creator function', () => {
  75. buildModelConverter().for( dispatcher )
  76. .fromElement( 'header' )
  77. .toElement( data => new ViewContainerElement( 'h' + data.item.getAttribute( 'level' ) ) );
  78. const modelElement = new ModelElement( 'header', { level: 2 }, new ModelText( 'foobar' ) );
  79. model.change( writer => {
  80. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  81. } );
  82. expect( viewToString( viewRoot ) ).to.equal( '<div><h2>foobar</h2></div>' );
  83. } );
  84. } );
  85. describe( 'model attribute to view element conversion', () => {
  86. it( 'using passed view element name', () => {
  87. buildModelConverter().for( dispatcher ).fromAttribute( 'bold' ).toElement( 'strong' );
  88. const modelElement = new ModelText( 'foo', { bold: true } );
  89. model.change( writer => {
  90. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  91. } );
  92. expect( viewToString( viewRoot ) ).to.equal( '<div><strong>foo</strong></div>' );
  93. model.change( writer => {
  94. writer.removeAttribute( 'bold', modelElement );
  95. } );
  96. expect( viewToString( viewRoot ) ).to.equal( '<div>foo</div>' );
  97. } );
  98. it( 'using passed view element', () => {
  99. buildModelConverter().for( dispatcher ).fromAttribute( 'bold' ).toElement( new ViewAttributeElement( 'strong' ) );
  100. const modelElement = new ModelText( 'foo', { bold: true } );
  101. model.change( writer => {
  102. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  103. } );
  104. expect( viewToString( viewRoot ) ).to.equal( '<div><strong>foo</strong></div>' );
  105. model.change( writer => {
  106. writer.removeAttribute( 'bold', modelElement );
  107. } );
  108. expect( viewToString( viewRoot ) ).to.equal( '<div>foo</div>' );
  109. } );
  110. it( 'using passed creator function', () => {
  111. buildModelConverter().for( dispatcher ).fromAttribute( 'italic' ).toElement( value => new ViewAttributeElement( value ) );
  112. const modelElement = new ModelText( 'foo', { italic: 'em' } );
  113. model.change( writer => {
  114. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  115. } );
  116. expect( viewToString( viewRoot ) ).to.equal( '<div><em>foo</em></div>' );
  117. model.change( writer => {
  118. writer.setAttribute( 'italic', 'i', modelElement );
  119. } );
  120. expect( viewToString( viewRoot ) ).to.equal( '<div><i>foo</i></div>' );
  121. model.change( writer => {
  122. writer.removeAttribute( 'italic', modelElement );
  123. } );
  124. expect( viewToString( viewRoot ) ).to.equal( '<div>foo</div>' );
  125. } );
  126. it( 'selection conversion', () => {
  127. // Model converter builder should add selection converter.
  128. buildModelConverter().for( dispatcher ).fromAttribute( 'italic' ).toElement( value => new ViewAttributeElement( value ) );
  129. model.change( writer => {
  130. writer.insert( new ModelText( 'foo', { italic: 'em' } ), ModelPosition.createAt( modelRoot, 0 ) );
  131. // Set collapsed selection after "f".
  132. const position = new ModelPosition( modelRoot, [ 1 ] );
  133. writer.setSelection( new ModelRange( position, position ) );
  134. } );
  135. // Check if view structure is ok.
  136. expect( viewToString( viewRoot ) ).to.equal( '<div><em>foo</em></div>' );
  137. // Check if view selection is collapsed after "f" letter.
  138. let ranges = Array.from( viewSelection.getRanges() );
  139. expect( ranges.length ).to.equal( 1 );
  140. expect( ranges[ 0 ].start.isEqual( ranges[ 0 ].end ) ).to.be.true;
  141. expect( ranges[ 0 ].start.parent ).to.be.instanceof( ViewText ); // "foo".
  142. expect( ranges[ 0 ].start.offset ).to.equal( 1 );
  143. // Change selection attribute, convert it.
  144. model.change( writer => {
  145. writer.setSelectionAttribute( 'italic', 'i' );
  146. } );
  147. // Check if view structure has changed.
  148. expect( viewToString( viewRoot ) ).to.equal( '<div><em>f</em><i></i><em>oo</em></div>' );
  149. // Check if view selection is inside new <em> element.
  150. ranges = Array.from( viewSelection.getRanges() );
  151. expect( ranges.length ).to.equal( 1 );
  152. expect( ranges[ 0 ].start.isEqual( ranges[ 0 ].end ) ).to.be.true;
  153. expect( ranges[ 0 ].start.parent.name ).to.equal( 'i' );
  154. expect( ranges[ 0 ].start.offset ).to.equal( 0 );
  155. // Some more tests checking how selection attributes changes are converted:
  156. model.change( writer => {
  157. writer.removeSelectionAttribute( 'italic' );
  158. } );
  159. expect( viewToString( viewRoot ) ).to.equal( '<div><em>f</em><em>oo</em></div>' );
  160. ranges = Array.from( viewSelection.getRanges() );
  161. expect( ranges[ 0 ].start.parent.name ).to.equal( 'div' );
  162. expect( ranges[ 0 ].start.offset ).to.equal( 1 );
  163. model.change( writer => {
  164. writer.setSelectionAttribute( 'italic', 'em' );
  165. } );
  166. expect( viewToString( viewRoot ) ).to.equal( '<div><em>foo</em></div>' );
  167. ranges = Array.from( viewSelection.getRanges() );
  168. expect( ranges.length ).to.equal( 1 );
  169. expect( ranges[ 0 ].start.isEqual( ranges[ 0 ].end ) ).to.be.true;
  170. expect( ranges[ 0 ].start.parent ).to.be.instanceof( ViewText ); // "foo".
  171. expect( ranges[ 0 ].start.offset ).to.equal( 1 );
  172. } );
  173. } );
  174. describe( 'model attribute to view attribute conversion', () => {
  175. it( 'using default 1-to-1 conversion', () => {
  176. buildModelConverter().for( dispatcher ).fromAttribute( 'class' ).toAttribute();
  177. const modelElement = new ModelElement( 'paragraph', { class: 'myClass' }, new ModelText( 'foobar' ) );
  178. model.change( writer => {
  179. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  180. } );
  181. expect( viewToString( viewRoot ) ).to.equal( '<div><p class="myClass">foobar</p></div>' );
  182. model.change( writer => {
  183. writer.setAttribute( 'class', 'newClass', modelElement );
  184. } );
  185. expect( viewToString( viewRoot ) ).to.equal( '<div><p class="newClass">foobar</p></div>' );
  186. model.change( writer => {
  187. writer.removeAttribute( 'class', modelElement );
  188. } );
  189. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  190. } );
  191. it( 'using passed attribute key', () => {
  192. buildModelConverter().for( dispatcher ).fromAttribute( 'theme' ).toAttribute( 'class' );
  193. const modelElement = new ModelElement( 'paragraph', { theme: 'abc' }, new ModelText( 'foobar' ) );
  194. model.change( writer => {
  195. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  196. } );
  197. expect( viewToString( viewRoot ) ).to.equal( '<div><p class="abc">foobar</p></div>' );
  198. model.change( writer => {
  199. writer.setAttribute( 'theme', 'xyz', modelElement );
  200. } );
  201. expect( viewToString( viewRoot ) ).to.equal( '<div><p class="xyz">foobar</p></div>' );
  202. model.change( writer => {
  203. writer.removeAttribute( 'theme', modelElement );
  204. } );
  205. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  206. } );
  207. it( 'using passed attribute key and value', () => {
  208. buildModelConverter().for( dispatcher ).fromAttribute( 'highlighted' ).toAttribute( 'style', 'background:yellow' );
  209. const modelElement = new ModelElement( 'paragraph', { 'highlighted': true }, new ModelText( 'foobar' ) );
  210. model.change( writer => {
  211. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  212. } );
  213. expect( viewToString( viewRoot ) ).to.equal( '<div><p style="background:yellow;">foobar</p></div>' );
  214. model.change( writer => {
  215. writer.removeAttribute( 'highlighted', modelElement );
  216. } );
  217. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  218. } );
  219. it( 'using passed attribute creator function', () => {
  220. buildModelConverter().for( dispatcher )
  221. .fromAttribute( 'theme' )
  222. .toAttribute( value => ( { key: 'class', value: value + '-theme' } ) );
  223. const modelElement = new ModelElement( 'paragraph', { theme: 'nice' }, new ModelText( 'foobar' ) );
  224. model.change( writer => {
  225. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  226. } );
  227. expect( viewToString( viewRoot ) ).to.equal( '<div><p class="nice-theme">foobar</p></div>' );
  228. model.change( writer => {
  229. writer.setAttribute( 'theme', 'good', modelElement );
  230. } );
  231. expect( viewToString( viewRoot ) ).to.equal( '<div><p class="good-theme">foobar</p></div>' );
  232. model.change( writer => {
  233. writer.removeAttribute( 'theme', modelElement );
  234. } );
  235. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  236. } );
  237. } );
  238. describe( 'model marker to highlight converter', () => {
  239. let modelText, modelElement;
  240. beforeEach( () => {
  241. modelText = new ModelText( 'foobar' );
  242. modelElement = new ModelElement( 'paragraph', null, [ modelText ] );
  243. model.change( writer => {
  244. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  245. } );
  246. } );
  247. it( 'using passed highlight descriptor object', () => {
  248. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).toHighlight( {
  249. class: 'highlight',
  250. priority: 3,
  251. attributes: { title: 'highlight title' }
  252. } );
  253. model.change( writer => {
  254. writer.setMarker( 'search', ModelRange.createFromParentsAndOffsets( modelElement, 2, modelElement, 4 ) );
  255. } );
  256. expect( viewToString( viewRoot ) ).to.equal(
  257. '<div>' +
  258. '<p>' +
  259. 'fo' +
  260. '<span class="highlight" title="highlight title">ob</span>' +
  261. 'ar' +
  262. '</p>' +
  263. '</div>' );
  264. expect( viewRoot.getChild( 0 ).getChild( 1 ).priority ).to.equal( 3 );
  265. model.change( writer => {
  266. writer.removeMarker( 'search' );
  267. } );
  268. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  269. } );
  270. it( 'using passed highlight descriptor object creator', () => {
  271. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).toHighlight( () => ( {
  272. class: 'highlight',
  273. priority: 12,
  274. attributes: { title: 'highlight title' }
  275. } ) );
  276. model.change( writer => {
  277. writer.setMarker( 'search', ModelRange.createFromParentsAndOffsets( modelElement, 2, modelElement, 4 ) );
  278. } );
  279. expect( viewToString( viewRoot ) ).to.equal(
  280. '<div>' +
  281. '<p>' +
  282. 'fo' +
  283. '<span class="highlight" title="highlight title">ob</span>' +
  284. 'ar' +
  285. '</p>' +
  286. '</div>' );
  287. expect( viewRoot.getChild( 0 ).getChild( 1 ).priority ).to.equal( 12 );
  288. model.change( writer => {
  289. writer.removeMarker( 'search' );
  290. } );
  291. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  292. } );
  293. it( 'should do nothing when marker range is collapsed', () => {
  294. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).toHighlight( {
  295. class: 'highlight'
  296. } );
  297. model.change( writer => {
  298. writer.setMarker( 'search', ModelRange.createFromParentsAndOffsets( modelElement, 2, modelElement, 2 ) );
  299. } );
  300. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  301. model.change( writer => {
  302. writer.removeMarker( 'search' );
  303. } );
  304. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  305. } );
  306. it( 'should create converters with provided priority', () => {
  307. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).toHighlight( { class: 'highlight' } );
  308. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).withPriority( 'high' ).toHighlight( { class: 'override' } );
  309. model.change( writer => {
  310. writer.setMarker( 'search', ModelRange.createFromParentsAndOffsets( modelElement, 2, modelElement, 4 ) );
  311. } );
  312. expect( viewToString( viewRoot ) ).to.equal(
  313. '<div>' +
  314. '<p>' +
  315. 'fo' +
  316. '<span class="override">ob</span>' +
  317. 'ar' +
  318. '</p>' +
  319. '</div>' );
  320. } );
  321. it( 'should throw if trying to convert from attribute', () => {
  322. expect( () => {
  323. buildModelConverter().for( dispatcher ).fromAttribute( 'bold' ).toHighlight( { class: 'foo' } );
  324. } ).to.throw( CKEditorError, /^build-model-converter-non-marker-to-highlight/ );
  325. } );
  326. it( 'should throw if trying to convert from element', () => {
  327. expect( () => {
  328. buildModelConverter().for( dispatcher ).fromElement( 'paragraph' ).toHighlight( { class: 'foo' } );
  329. } ).to.throw( CKEditorError, /^build-model-converter-non-marker-to-highlight/ );
  330. } );
  331. } );
  332. describe( 'model marker to view element conversion', () => {
  333. let modelText, modelElement, range;
  334. beforeEach( () => {
  335. modelText = new ModelText( 'foobar' );
  336. modelElement = new ModelElement( 'paragraph', null, [ modelText ] );
  337. model.change( writer => {
  338. writer.insert( modelElement, ModelPosition.createAt( modelRoot, 0 ) );
  339. } );
  340. } );
  341. describe( 'collapsed range', () => {
  342. beforeEach( () => {
  343. range = ModelRange.createFromParentsAndOffsets( modelElement, 2, modelElement, 2 );
  344. } );
  345. it( 'using passed view element name', () => {
  346. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).toElement( 'span' );
  347. model.change( writer => {
  348. writer.setMarker( 'search', range );
  349. } );
  350. expect( viewToString( viewRoot ) ).to.equal( '<div><p>fo<span></span>obar</p></div>' );
  351. model.change( writer => {
  352. writer.removeMarker( 'search' );
  353. } );
  354. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  355. } );
  356. it( 'using passed view element', () => {
  357. const viewElement = new ViewUIElement( 'span', { class: 'search' } );
  358. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).toElement( viewElement );
  359. model.change( writer => {
  360. writer.setMarker( 'search', range );
  361. } );
  362. expect( viewToString( viewRoot ) ).to.equal( '<div><p>fo<span class="search"></span>obar</p></div>' );
  363. model.change( writer => {
  364. writer.removeMarker( 'search' );
  365. } );
  366. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  367. } );
  368. it( 'using passed creator function', () => {
  369. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).toElement( data => {
  370. const className = 'search search-color-' + data.markerName.split( ':' )[ 1 ];
  371. return new ViewUIElement( 'span', { class: className } );
  372. } );
  373. model.change( writer => {
  374. writer.setMarker( 'search:red', range );
  375. } );
  376. expect( viewToString( viewRoot ) ).to.equal( '<div><p>fo<span class="search search-color-red"></span>obar</p></div>' );
  377. model.change( writer => {
  378. writer.removeMarker( 'search:red' );
  379. } );
  380. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  381. } );
  382. } );
  383. describe( 'non-collapsed range', () => {
  384. beforeEach( () => {
  385. range = ModelRange.createFromParentsAndOffsets( modelElement, 2, modelElement, 4 );
  386. } );
  387. it( 'using passed view element name', () => {
  388. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).toElement( 'span' );
  389. model.change( writer => {
  390. writer.setMarker( 'search', range );
  391. } );
  392. expect( viewToString( viewRoot ) ).to.equal( '<div><p>fo<span></span>ob<span></span>ar</p></div>' );
  393. model.change( writer => {
  394. writer.removeMarker( 'search' );
  395. } );
  396. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  397. } );
  398. it( 'using passed view element', () => {
  399. const viewElement = new ViewUIElement( 'span', { class: 'search' } );
  400. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).toElement( viewElement );
  401. model.change( writer => {
  402. writer.setMarker( 'search', range );
  403. } );
  404. expect( viewToString( viewRoot ) ).to.equal(
  405. '<div><p>fo<span class="search"></span>ob<span class="search"></span>ar</p></div>'
  406. );
  407. model.change( writer => {
  408. writer.removeMarker( 'search' );
  409. } );
  410. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  411. } );
  412. it( 'using passed creator function', () => {
  413. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).toElement( data => {
  414. const className = 'search search-color-' + data.markerName.split( ':' )[ 1 ];
  415. return new ViewUIElement( 'span', { class: className } );
  416. } );
  417. model.change( writer => {
  418. writer.setMarker( 'search:red', range );
  419. } );
  420. expect( viewToString( viewRoot ) ).to.equal(
  421. '<div><p>fo<span class="search search-color-red"></span>ob<span class="search search-color-red"></span>ar</p></div>'
  422. );
  423. model.change( writer => {
  424. writer.removeMarker( 'search:red' );
  425. } );
  426. expect( viewToString( viewRoot ) ).to.equal( '<div><p>foobar</p></div>' );
  427. } );
  428. } );
  429. it( 'should overwrite default priority', () => {
  430. range = ModelRange.createFromParentsAndOffsets( modelElement, 2, modelElement, 2 );
  431. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).toElement( 'normal' );
  432. buildModelConverter().for( dispatcher ).fromMarker( 'search' ).withPriority( 'high' ).toElement( 'high' );
  433. model.change( writer => {
  434. writer.setMarker( 'search', range );
  435. } );
  436. expect( viewToString( viewRoot ) ).to.equal( '<div><p>fo<high></high>obar</p></div>' );
  437. } );
  438. it( 'should throw when trying to build model element to view attribute converter', () => {
  439. expect( () => {
  440. buildModelConverter().for( dispatcher ).fromElement( 'paragraph' ).toAttribute( 'paragraph', true );
  441. } ).to.throw( CKEditorError, /^build-model-converter-non-attribute-to-attribute/ );
  442. } );
  443. } );
  444. } );