wrap.js 14 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 Writer from '../../../src/view/writer';
  6. import Element from '../../../src/view/element';
  7. import ContainerElement from '../../../src/view/containerelement';
  8. import AttributeElement from '../../../src/view/attributeelement';
  9. import EmptyElement from '../../../src/view/emptyelement';
  10. import UIElement from '../../../src/view/uielement';
  11. import Position from '../../../src/view/position';
  12. import Range from '../../../src/view/range';
  13. import Text from '../../../src/view/text';
  14. import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
  15. import { stringify, parse } from '../../../src/dev-utils/view';
  16. describe( 'Writer', () => {
  17. describe( 'wrap()', () => {
  18. let writer;
  19. /**
  20. * Executes test using `parse` and `stringify` utils functions.
  21. *
  22. * @param {String} input
  23. * @param {String} wrapAttribute
  24. * @param {String} expected
  25. */
  26. function test( input, wrapAttribute, expected ) {
  27. const { view, selection } = parse( input );
  28. const newRange = writer.wrap( selection.getFirstRange(), parse( wrapAttribute ) );
  29. expect( stringify( view.root, newRange, { showType: true, showPriority: true } ) ).to.equal( expected );
  30. }
  31. before( () => {
  32. writer = new Writer();
  33. } );
  34. it( 'should do nothing on collapsed ranges', () => {
  35. test(
  36. '<container:p>f{}oo</container:p>',
  37. '<attribute:b></attribute:b>',
  38. '<container:p>f{}oo</container:p>'
  39. );
  40. } );
  41. it( 'wraps single text node', () => {
  42. test(
  43. '<container:p>[foobar]</container:p>',
  44. '<attribute:b view-priority="1"></attribute:b>',
  45. '<container:p>[<attribute:b view-priority="1">foobar</attribute:b>]</container:p>'
  46. );
  47. } );
  48. it( 'wraps single text node in document fragment', () => {
  49. test(
  50. '{foobar}',
  51. '<attribute:b view-priority="1"></attribute:b>',
  52. '[<attribute:b view-priority="1">foobar</attribute:b>]'
  53. );
  54. } );
  55. it( 'should throw error when element is not instance of AttributeElement', () => {
  56. const container = new ContainerElement( 'p', null, new Text( 'foo' ) );
  57. const range = new Range(
  58. new Position( container, 0 ),
  59. new Position( container, 1 )
  60. );
  61. const b = new Element( 'b' );
  62. expect( () => {
  63. writer.wrap( range, b );
  64. } ).to.throw( CKEditorError, 'view-writer-wrap-invalid-attribute' );
  65. } );
  66. it( 'should throw error when range placed in two containers', () => {
  67. const container1 = new ContainerElement( 'p' );
  68. const container2 = new ContainerElement( 'p' );
  69. const range = new Range(
  70. new Position( container1, 0 ),
  71. new Position( container2, 1 )
  72. );
  73. const b = new AttributeElement( 'b' );
  74. expect( () => {
  75. writer.wrap( range, b );
  76. } ).to.throw( CKEditorError, 'view-writer-invalid-range-container' );
  77. } );
  78. it( 'should throw when range has no parent container', () => {
  79. const el = new AttributeElement( 'b' );
  80. const b = new AttributeElement( 'b' );
  81. expect( () => {
  82. writer.wrap( Range.createFromParentsAndOffsets( el, 0, el, 0 ), b );
  83. } ).to.throw( CKEditorError, 'view-writer-invalid-range-container' );
  84. } );
  85. it( 'wraps part of a single text node #1', () => {
  86. test(
  87. '<container:p>[foo}bar</container:p>',
  88. '<attribute:b view-priority="1"></attribute:b>',
  89. '<container:p>[<attribute:b view-priority="1">foo</attribute:b>]bar</container:p>'
  90. );
  91. } );
  92. it( 'wraps part of a single text node #2', () => {
  93. test(
  94. '<container:p>{foo}bar</container:p>',
  95. '<attribute:b view-priority="1"></attribute:b>',
  96. '<container:p>[<attribute:b view-priority="1">foo</attribute:b>]bar</container:p>'
  97. );
  98. } );
  99. it( 'should support unicode', () => {
  100. test(
  101. '<container:p>நி{லை}க்கு</container:p>',
  102. '<attribute:b view-priority="1"></attribute:b>',
  103. '<container:p>நி[<attribute:b view-priority="1">லை</attribute:b>]க்கு</container:p>'
  104. );
  105. } );
  106. it( 'wraps part of a single text node #3', () => {
  107. test(
  108. '<container:p>foo{bar}</container:p>',
  109. '<attribute:b view-priority="1"></attribute:b>',
  110. '<container:p>foo[<attribute:b view-priority="1">bar</attribute:b>]</container:p>'
  111. );
  112. } );
  113. it( 'should not wrap inside nested containers', () => {
  114. test(
  115. '<container:div>[foobar<container:p>baz</container:p>]</container:div>',
  116. '<attribute:b view-priority="1"></attribute:b>',
  117. '<container:div>[<attribute:b view-priority="1">foobar</attribute:b><container:p>baz</container:p>]</container:div>'
  118. );
  119. } );
  120. it( 'wraps according to priorities', () => {
  121. test(
  122. '<container:p>[<attribute:u view-priority="1">foobar</attribute:u>]</container:p>',
  123. '<attribute:b view-priority="2"></attribute:b>',
  124. '<container:p>' +
  125. '[<attribute:u view-priority="1"><attribute:b view-priority="2">foobar</attribute:b></attribute:u>]' +
  126. '</container:p>'
  127. );
  128. } );
  129. it( 'merges wrapped nodes #1', () => {
  130. test(
  131. '<container:p>' +
  132. '[<attribute:b view-priority="1">foo</attribute:b>bar<attribute:b view-priority="1">baz</attribute:b>]' +
  133. '</container:p>',
  134. '<attribute:b view-priority="1"></attribute:b>',
  135. '<container:p>[<attribute:b view-priority="1">foobarbaz</attribute:b>]</container:p>'
  136. );
  137. } );
  138. it( 'merges wrapped nodes #2', () => {
  139. test(
  140. '<container:p><attribute:b view-priority="1">foo</attribute:b>[bar}baz</container:p>',
  141. '<attribute:b view-priority="1"></attribute:b>',
  142. '<container:p><attribute:b view-priority="1">foo{bar</attribute:b>]baz</container:p>'
  143. );
  144. } );
  145. it( 'merges wrapped nodes #3', () => {
  146. test(
  147. '<container:p><attribute:b view-priority="1">foobar</attribute:b>[baz]</container:p>',
  148. '<attribute:b view-priority="1"></attribute:b>',
  149. '<container:p><attribute:b view-priority="1">foobar{baz</attribute:b>]</container:p>'
  150. );
  151. } );
  152. it( 'merges wrapped nodes #4', () => {
  153. test(
  154. '<container:p>[foo<attribute:i view-priority="1">bar</attribute:i>]baz</container:p>',
  155. '<attribute:b view-priority="1"></attribute:b>',
  156. '<container:p>' +
  157. '[<attribute:b view-priority="1">foo<attribute:i view-priority="1">bar</attribute:i></attribute:b>]baz' +
  158. '</container:p>'
  159. );
  160. } );
  161. it( 'merges wrapped nodes #5', () => {
  162. test(
  163. '<container:p>[foo<attribute:i view-priority="1">bar</attribute:i>baz]</container:p>',
  164. '<attribute:b view-priority="2"></attribute:b>',
  165. '<container:p>' +
  166. '[' +
  167. '<attribute:b view-priority="2">foo</attribute:b>' +
  168. '<attribute:i view-priority="1">' +
  169. '<attribute:b view-priority="2">bar</attribute:b>' +
  170. '</attribute:i>' +
  171. '<attribute:b view-priority="2">baz</attribute:b>' +
  172. ']' +
  173. '</container:p>'
  174. );
  175. } );
  176. it( 'merges wrapped nodes #6', () => {
  177. test(
  178. '<container:div>f{o<attribute:strong>ob</attribute:strong>a}r</container:div>',
  179. '<attribute:span view-priority="1"></attribute:span>',
  180. '<container:div>f[' +
  181. '<attribute:span view-priority="1">o' +
  182. '<attribute:strong view-priority="10">ob</attribute:strong>' +
  183. 'a</attribute:span>' +
  184. ']r</container:div>'
  185. );
  186. } );
  187. it( 'should wrap single element by merging attributes', () => {
  188. test(
  189. '<container:p>[<attribute:b view-priority="1" foo="bar" one="two"></attribute:b>]</container:p>',
  190. '<attribute:b view-priority="1" baz="qux" one="two"></attribute:b>',
  191. '<container:p>[<attribute:b view-priority="1" baz="qux" foo="bar" one="two"></attribute:b>]</container:p>'
  192. );
  193. } );
  194. it( 'should not merge attributes when they differ', () => {
  195. test(
  196. '<container:p>[<attribute:b view-priority="1" foo="bar">text</attribute:b>]</container:p>',
  197. '<attribute:b view-priority="1" foo="baz"></attribute:b>',
  198. '<container:p>' +
  199. '[<attribute:b view-priority="1" foo="bar"><attribute:b view-priority="1" foo="baz">text</attribute:b></attribute:b>]' +
  200. '</container:p>'
  201. );
  202. } );
  203. it( 'should wrap single element by merging classes', () => {
  204. test(
  205. '<container:p>[<attribute:b view-priority="1" class="foo bar baz"></attribute:b>]</container:p>',
  206. '<attribute:b view-priority="1" class="foo bar qux jax"></attribute:b>',
  207. '<container:p>[<attribute:b view-priority="1" class="bar baz foo jax qux"></attribute:b>]</container:p>'
  208. );
  209. } );
  210. it( 'should wrap single element by merging styles', () => {
  211. test(
  212. '<container:p>[<attribute:b view-priority="1" style="color:red; position: absolute"></attribute:b>]</container:p>',
  213. '<attribute:b view-priority="1" style="color:red; top: 20px"></attribute:b>',
  214. '<container:p>[<attribute:b view-priority="1" style="color:red;position:absolute;top:20px"></attribute:b>]</container:p>'
  215. );
  216. } );
  217. it( 'should not merge styles when they differ', () => {
  218. test(
  219. '<container:p>[<attribute:b view-priority="1" style="color:red"></attribute:b>]</container:p>',
  220. '<attribute:b view-priority="1" style="color:black"></attribute:b>',
  221. '<container:p>' +
  222. '[' +
  223. '<attribute:b view-priority="1" style="color:black">' +
  224. '<attribute:b view-priority="1" style="color:red"></attribute:b>' +
  225. '</attribute:b>' +
  226. ']' +
  227. '</container:p>'
  228. );
  229. } );
  230. it( 'should not merge single elements when they have different priority', () => {
  231. test(
  232. '<container:p>[<attribute:b view-priority="2" style="color:red"></attribute:b>]</container:p>',
  233. '<attribute:b view-priority="1" style="color:red"></attribute:b>',
  234. '<container:p>' +
  235. '[' +
  236. '<attribute:b view-priority="1" style="color:red">' +
  237. '<attribute:b view-priority="2" style="color:red"></attribute:b>' +
  238. '</attribute:b>' +
  239. ']</container:p>'
  240. );
  241. } );
  242. it( 'should be merged with outside element when wrapping all children', () => {
  243. test(
  244. '<container:p>' +
  245. '<attribute:b view-priority="1" foo="bar">[foobar<attribute:i view-priority="1">baz</attribute:i>]</attribute:b>' +
  246. '</container:p>',
  247. '<attribute:b view-priority="1" baz="qux"></attribute:b>',
  248. '<container:p>' +
  249. '[' +
  250. '<attribute:b view-priority="1" baz="qux" foo="bar">' +
  251. 'foobar' +
  252. '<attribute:i view-priority="1">baz</attribute:i>' +
  253. '</attribute:b>' +
  254. ']' +
  255. '</container:p>'
  256. );
  257. } );
  258. it( 'should be merged with broken element', () => {
  259. test(
  260. '<container:p>' +
  261. '[<attribute:b view-priority="1" foo="bar">foo}bar</attribute:b>' +
  262. '</container:p>',
  263. '<attribute:b view-priority="1" baz="qux"></attribute:b>',
  264. '<container:p>' +
  265. '[<attribute:b view-priority="1" baz="qux" foo="bar">foo</attribute:b>]' +
  266. '<attribute:b view-priority="1" foo="bar">bar</attribute:b>' +
  267. '</container:p>'
  268. );
  269. } );
  270. it( 'should be merged with broken element and merged with siblings', () => {
  271. test(
  272. '<container:p>' +
  273. '<attribute:b view-priority="1" baz="qux" foo="bar">xyz</attribute:b>' +
  274. '[<attribute:b view-priority="1" foo="bar">foo}bar</attribute:b>' +
  275. '</container:p>',
  276. '<attribute:b view-priority="1" baz="qux"></attribute:b>',
  277. '<container:p>' +
  278. '<attribute:b view-priority="1" baz="qux" foo="bar">xyz{foo</attribute:b>]' +
  279. '<attribute:b view-priority="1" foo="bar">bar</attribute:b>' +
  280. '</container:p>'
  281. );
  282. } );
  283. it( 'should wrap EmptyElement', () => {
  284. test(
  285. '<container:p>[<empty:img></empty:img>]</container:p>',
  286. '<attribute:b></attribute:b>',
  287. '<container:p>[<attribute:b view-priority="10"><empty:img></empty:img></attribute:b>]</container:p>'
  288. );
  289. } );
  290. it( 'should throw if range is inside EmptyElement', () => {
  291. const emptyElement = new EmptyElement( 'img' );
  292. const container = new ContainerElement( 'p', null, emptyElement );
  293. const range = Range.createFromParentsAndOffsets( emptyElement, 0, container, 1 );
  294. expect( () => {
  295. writer.wrap( range, new AttributeElement( 'b' ) );
  296. } ).to.throw( CKEditorError, 'view-writer-cannot-break-empty-element' );
  297. } );
  298. it( 'should wrap UIElement', () => {
  299. test(
  300. '<container:p>[<ui:span></ui:span>]</container:p>',
  301. '<attribute:b></attribute:b>',
  302. '<container:p>[<attribute:b view-priority="10"><ui:span></ui:span></attribute:b>]</container:p>'
  303. );
  304. } );
  305. it( 'should throw if range is inside UIElement', () => {
  306. const uiElement = new UIElement( 'span' );
  307. const container = new ContainerElement( 'p', null, uiElement );
  308. const range = Range.createFromParentsAndOffsets( uiElement, 0, container, 1 );
  309. expect( () => {
  310. writer.wrap( range, new AttributeElement( 'b' ) );
  311. } ).to.throw( CKEditorError, 'view-writer-cannot-break-ui-element' );
  312. } );
  313. it( 'should keep stable hierarchy when wrapping with attribute with same priority', () => {
  314. test(
  315. '<container:p>[<attribute:span>foo</attribute:span>]</container:p>',
  316. '<attribute:b></attribute:b>',
  317. '<container:p>' +
  318. '[<attribute:b view-priority="10">' +
  319. '<attribute:span view-priority="10">foo</attribute:span>' +
  320. '</attribute:b>]' +
  321. '</container:p>'
  322. );
  323. test(
  324. '<container:p>[<attribute:b>foo</attribute:b>]</container:p>',
  325. '<attribute:span></attribute:span>',
  326. '<container:p>' +
  327. '[<attribute:b view-priority="10">' +
  328. '<attribute:span view-priority="10">foo</attribute:span>' +
  329. '</attribute:b>]' +
  330. '</container:p>'
  331. );
  332. } );
  333. it( 'should keep stable hierarchy when wrapping with attribute with same priority that can\'t be merged', () => {
  334. test(
  335. '<container:p>[<attribute:span name="foo">foo</attribute:span>]</container:p>',
  336. '<attribute:span name="bar"></attribute:span>',
  337. '<container:p>' +
  338. '[<attribute:span view-priority="10" name="bar">' +
  339. '<attribute:span view-priority="10" name="foo">foo</attribute:span>' +
  340. '</attribute:span>]' +
  341. '</container:p>'
  342. );
  343. test(
  344. '<container:p>[<attribute:span name="bar">foo</attribute:span>]</container:p>',
  345. '<attribute:span name="foo"></attribute:span>',
  346. '<container:p>' +
  347. '[<attribute:span view-priority="10" name="bar">' +
  348. '<attribute:span view-priority="10" name="foo">foo</attribute:span>' +
  349. '</attribute:span>]' +
  350. '</container:p>'
  351. );
  352. } );
  353. } );
  354. } );