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remove.js 6.8 KB

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  1. /**
  2. * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* bender-tags: treeview */
  6. 'use strict';
  7. import Writer from '/ckeditor5/engine/treeview/writer.js';
  8. import ContainerElement from '/ckeditor5/engine/treeview/containerelement.js';
  9. import AttributeElement from '/ckeditor5/engine/treeview/attributeelement.js';
  10. import Range from '/ckeditor5/engine/treeview/range.js';
  11. import Text from '/ckeditor5/engine/treeview/text.js';
  12. import DocumentFragment from '/ckeditor5/engine/treeview/documentfragment.js';
  13. import utils from '/tests/engine/treeview/writer/_utils/utils.js';
  14. describe( 'Writer', () => {
  15. const create = utils.create;
  16. const test = utils.test;
  17. let writer;
  18. beforeEach( () => {
  19. writer = new Writer();
  20. } );
  21. describe( 'remove', () => {
  22. it( 'should throw when range placed in two containers', () => {
  23. const p1 = new ContainerElement( 'p' );
  24. const p2 = new ContainerElement( 'p' );
  25. expect( () => {
  26. writer.remove( Range.createFromParentsAndOffsets( p1, 0, p2, 0 ) );
  27. } ).to.throw( 'treeview-writer-invalid-range-container' );
  28. } );
  29. it( 'should return empty DocumentFragment when range is collapsed', () => {
  30. const p = new ContainerElement( 'p' );
  31. const range = Range.createFromParentsAndOffsets( p, 0, p, 0 );
  32. const fragment = writer.remove( range );
  33. expect( fragment ).to.be.instanceof( DocumentFragment );
  34. expect( fragment.getChildCount() ).to.equal( 0 );
  35. expect( range.isCollapsed ).to.be.true;
  36. } );
  37. it( 'should remove single text node', () => {
  38. // <p>[{foobar}]</p> -> <p>|</p>
  39. const created = create( writer, {
  40. instanceOf: ContainerElement,
  41. name: 'p',
  42. rangeStart: 0,
  43. rangeEnd: 1,
  44. children: [
  45. { instanceOf: Text, data: 'foobar' }
  46. ]
  47. } );
  48. const removed = writer.remove( created.range );
  49. test( writer, created.range.start, created.node, {
  50. instanceOf: ContainerElement,
  51. name: 'p',
  52. position: 0,
  53. children: []
  54. } );
  55. // Test removed nodes.
  56. test( writer, null, Array.from( removed.getChildren() ), [
  57. { instanceOf: Text, data: 'foobar' }
  58. ] );
  59. } );
  60. it( 'should not leave empty text nodes', () => {
  61. // <p>{[foobar]}</p> -> <p>|</p>
  62. const created = create( writer, {
  63. instanceOf: ContainerElement,
  64. name: 'p',
  65. children: [
  66. { instanceOf: Text, data: 'foobar', rangeStart: 0, rangeEnd: 6 }
  67. ]
  68. } );
  69. const removed = writer.remove( created.range );
  70. test( writer, created.range.start, created.node, {
  71. instanceOf: ContainerElement,
  72. name: 'p',
  73. position: 0,
  74. children: []
  75. } );
  76. // Test removed nodes.
  77. test( writer, null, removed, [
  78. { instanceOf: Text, data: 'foobar' }
  79. ] );
  80. } );
  81. it( 'should remove part of the text node', () => {
  82. // <p>{f[oob]ar}</p> -> <p>{f|ar}</p>
  83. const created = create( writer, {
  84. instanceOf: ContainerElement,
  85. name: 'p',
  86. children: [
  87. { instanceOf: Text, data: 'foobar', rangeStart: 1, rangeEnd: 4 }
  88. ]
  89. } );
  90. const removed = writer.remove( created.range );
  91. test( writer, created.range.start, created.node, {
  92. instanceOf: ContainerElement,
  93. name: 'p',
  94. children: [
  95. { instanceOf: Text, data: 'far', position: 1 }
  96. ]
  97. } );
  98. // Test removed nodes.
  99. test( writer, null, removed, [
  100. { instanceOf: Text, data: 'oob' }
  101. ] );
  102. } );
  103. it( 'should remove parts of nodes', () => {
  104. // <p>{f[oo}<b>{ba]r}</b></p> -> <p>{f}|<b>r</b></p>
  105. const created = create( writer, {
  106. instanceOf: ContainerElement,
  107. name: 'p',
  108. children: [
  109. { instanceOf: Text, data: 'foo', rangeStart: 1 },
  110. {
  111. instanceOf: AttributeElement,
  112. name: 'b',
  113. priority: 1,
  114. children: [
  115. { instanceOf: Text, data: 'bar', rangeEnd: 2 }
  116. ]
  117. }
  118. ]
  119. } );
  120. const removed = writer.remove( created.range );
  121. test( writer, created.range.start, created.node, {
  122. instanceOf: ContainerElement,
  123. name: 'p',
  124. position: 1,
  125. children: [
  126. { instanceOf: Text, data: 'f' },
  127. {
  128. instanceOf: AttributeElement,
  129. name: 'b',
  130. priority: 1,
  131. children: [
  132. { instanceOf: Text, data: 'r' }
  133. ]
  134. }
  135. ]
  136. } );
  137. // Test removed nodes.
  138. test( writer, null, removed, [
  139. { instanceOf: Text, data: 'oo' },
  140. {
  141. instanceOf: AttributeElement,
  142. name: 'b',
  143. priority: 1,
  144. children: [
  145. { instanceOf: Text, data: 'ba' }
  146. ]
  147. }
  148. ] );
  149. } );
  150. it( 'should merge after removing #1', () => {
  151. // <p><b>foo</b>[{bar}]<b>bazqux</b></p> -> <p><b>foo|bazqux</b></p>
  152. const created = create( writer, {
  153. instanceOf: ContainerElement,
  154. name: 'p',
  155. rangeStart: 1,
  156. rangeEnd: 2,
  157. children: [
  158. {
  159. instanceOf: AttributeElement,
  160. name: 'b',
  161. priority: 1,
  162. children: [
  163. { instanceOf: Text, data: 'foo' }
  164. ]
  165. },
  166. { instanceOf: Text, data: 'bar' },
  167. {
  168. instanceOf: AttributeElement,
  169. name: 'b',
  170. priority: 1,
  171. children: [
  172. { instanceOf: Text, data: 'bazqux' }
  173. ]
  174. }
  175. ]
  176. } );
  177. const removed = writer.remove( created.range );
  178. test( writer, created.range.start, created.node, {
  179. instanceOf: ContainerElement,
  180. name: 'p',
  181. children: [
  182. {
  183. instanceOf: AttributeElement,
  184. name: 'b',
  185. priority: 1,
  186. children: [
  187. { instanceOf: Text, data: 'foobazqux', position: 3 }
  188. ]
  189. }
  190. ]
  191. } );
  192. // Test removed nodes.
  193. test( writer, null, removed, [
  194. { instanceOf: Text, data: 'bar' }
  195. ] );
  196. } );
  197. it( 'should merge after removing #2', () => {
  198. // <p><b>fo[o</b>{bar}<b>ba]zqux</b></p> -> <p><b>fo|zqux</b></p>
  199. const created = create( writer, {
  200. instanceOf: ContainerElement,
  201. name: 'p',
  202. children: [
  203. {
  204. instanceOf: AttributeElement,
  205. name: 'b',
  206. priority: 1,
  207. children: [
  208. { instanceOf: Text, data: 'foo', rangeStart: 2 }
  209. ]
  210. },
  211. { instanceOf: Text, data: 'bar' },
  212. {
  213. instanceOf: AttributeElement,
  214. name: 'b',
  215. priority: 1,
  216. children: [
  217. { instanceOf: Text, data: 'bazqux', rangeEnd: 2 }
  218. ]
  219. }
  220. ]
  221. } );
  222. const removed = writer.remove( created.range );
  223. test( writer, created.range.start, created.node, {
  224. instanceOf: ContainerElement,
  225. name: 'p',
  226. children: [
  227. {
  228. instanceOf: AttributeElement,
  229. name: 'b',
  230. priority: 1,
  231. children: [
  232. { instanceOf: Text, data: 'fozqux', position: 2 }
  233. ]
  234. }
  235. ]
  236. } );
  237. // Test removed nodes.
  238. test( writer, null, removed, [
  239. {
  240. instanceOf: AttributeElement,
  241. name: 'b',
  242. priority: 1,
  243. children: [
  244. { instanceOf: Text, data: 'o' }
  245. ]
  246. },
  247. { instanceOf: Text, data: 'bar' },
  248. {
  249. instanceOf: AttributeElement,
  250. name: 'b',
  251. priority: 1,
  252. children: [
  253. { instanceOf: Text, data: 'ba' }
  254. ]
  255. }
  256. ] );
  257. } );
  258. } );
  259. } );