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modifyselection.js 6.1 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. 'use strict';
  6. import Document from '/ckeditor5/engine/treemodel/document.js';
  7. import modifySelection from '/ckeditor5/engine/treemodel/composer/modifyselection.js';
  8. import { setData, getData } from '/tests/engine/_utils/model.js';
  9. describe( 'Delete utils', () => {
  10. let document;
  11. beforeEach( () => {
  12. document = new Document();
  13. document.createRoot( 'main', '$root' );
  14. } );
  15. describe( 'modifySelection', () => {
  16. describe( 'unit=character', () => {
  17. describe( 'within element', () => {
  18. test(
  19. 'does nothing on empty content',
  20. '<selection />',
  21. '<selection />'
  22. );
  23. test(
  24. 'does nothing on empty content (with empty element)',
  25. '<p><selection /></p>',
  26. '<p><selection /></p>'
  27. );
  28. test(
  29. 'does nothing on empty content (backward)',
  30. '<selection />',
  31. '<selection />',
  32. { direction: 'BACKWARD' }
  33. );
  34. test(
  35. 'does nothing on root boundary',
  36. '<p>foo<selection /></p>',
  37. '<p>foo<selection /></p>'
  38. );
  39. test(
  40. 'does nothing on root boundary (backward)',
  41. '<p><selection />foo</p>',
  42. '<p><selection />foo</p>',
  43. { direction: 'BACKWARD' }
  44. );
  45. test(
  46. 'extends one character forward',
  47. '<p>f<selection />oo</p>',
  48. '<p>f<selection>o</selection>o</p>'
  49. );
  50. test(
  51. 'extends one character backward',
  52. '<p>fo<selection />o</p>',
  53. '<p>f<selection backward>o</selection>o</p>',
  54. { direction: 'BACKWARD' }
  55. );
  56. test(
  57. 'extends one character forward (non-collapsed)',
  58. '<p>f<selection>o</selection>obar</p>',
  59. '<p>f<selection>oo</selection>bar</p>'
  60. );
  61. test(
  62. 'extends one character backward (non-collapsed)',
  63. '<p>foob<selection backward>a</selection>r</p>',
  64. '<p>foo<selection backward>ba</selection>r</p>',
  65. { direction: 'BACKWARD' }
  66. );
  67. test(
  68. 'extends to element boundary',
  69. '<p>fo<selection />o</p>',
  70. '<p>fo<selection>o</selection></p>'
  71. );
  72. test(
  73. 'extends to element boundary (backward)',
  74. '<p>f<selection />oo</p>',
  75. '<p><selection backward>f</selection>oo</p>',
  76. { direction: 'BACKWARD' }
  77. );
  78. test(
  79. 'shrinks forward selection (to collapsed)',
  80. '<p>foo<selection>b</selection>ar</p>',
  81. '<p>foo<selection />bar</p>',
  82. { direction: 'BACKWARD' }
  83. );
  84. test(
  85. 'shrinks backward selection (to collapsed)',
  86. '<p>foo<selection backward>b</selection>ar</p>',
  87. '<p>foob<selection />ar</p>'
  88. );
  89. test(
  90. 'extends one element forward',
  91. '<p>f<selection /><img></img>oo</p>',
  92. '<p>f<selection><img></img></selection>oo</p>'
  93. );
  94. test(
  95. 'extends one non-empty element forward',
  96. '<p>f<selection /><img>x</img>oo</p>',
  97. '<p>f<selection><img>x</img></selection>oo</p>'
  98. );
  99. test(
  100. 'extends one element backward',
  101. '<p>fo<img></img><selection />o</p>',
  102. '<p>fo<selection backward><img></img></selection>o</p>',
  103. { direction: 'BACKWARD' }
  104. );
  105. } );
  106. describe( 'beyond element', () => {
  107. test(
  108. 'extends over boundary of empty elements',
  109. '<p><selection /></p><p></p><p></p>',
  110. '<p><selection></p><p></selection></p><p></p>'
  111. );
  112. test(
  113. 'extends over boundary of empty elements (backward)',
  114. '<p></p><p></p><p><selection /></p>',
  115. '<p></p><p><selection backward></p><p></selection></p>',
  116. { direction: 'BACKWARD' }
  117. );
  118. test(
  119. 'extends over boundary of non-empty elements',
  120. '<p>a<selection /></p><p>bcd</p>',
  121. '<p>a<selection></p><p></selection>bcd</p>'
  122. );
  123. test(
  124. 'extends over boundary of non-empty elements (backward)',
  125. '<p>a</p><p><selection />bcd</p>',
  126. '<p>a<selection backward></p><p></selection>bcd</p>',
  127. { direction: 'BACKWARD' }
  128. );
  129. test(
  130. 'extends over character after boundary',
  131. '<p>a<selection></p><p></selection>bcd</p>',
  132. '<p>a<selection></p><p>b</selection>cd</p>'
  133. );
  134. test(
  135. 'extends over character after boundary (backward)',
  136. '<p>abc<selection backward></p><p></selection>d</p>',
  137. '<p>ab<selection backward>c</p><p></selection>d</p>',
  138. { direction: 'BACKWARD' }
  139. );
  140. test(
  141. 'extends over boundary when next element has nested elements',
  142. '<p>a<selection /></p><p><x>bcd</x></p>',
  143. '<p>a<selection></p><p></selection><x>bcd</x></p>'
  144. );
  145. test(
  146. 'extends over element when next element has nested elements',
  147. '<p>a<selection></p><p></selection><x>bcd</x>ef</p>',
  148. '<p>a<selection></p><p><x>bcd</x></selection>ef</p>'
  149. );
  150. test(
  151. 'extends over element when next node is a text',
  152. '<p>a<selection /></p>bc',
  153. '<p>a<selection></p></selection>bc'
  154. );
  155. test(
  156. 'extends over element when next node is a text (backward)',
  157. 'ab<p><selection />c</p>',
  158. 'ab<selection backward><p></selection>c</p>',
  159. { direction: 'BACKWARD' }
  160. );
  161. test(
  162. 'shrinks over boundary of empty elements',
  163. '<p><selection backward></p><p></selection></p>',
  164. '<p></p><p><selection /></p>'
  165. );
  166. test(
  167. 'shrinks over boundary of empty elements (backward)',
  168. '<p><selection></p><p></selection></p>',
  169. '<p><selection /></p><p></p>',
  170. { direction: 'BACKWARD' }
  171. );
  172. test(
  173. 'shrinks over boundary of non-empty elements',
  174. '<p>a<selection backward></p><p></selection>b</p>',
  175. '<p>a</p><p><selection />b</p>'
  176. );
  177. test(
  178. 'shrinks over boundary of non-empty elements (backward)',
  179. '<p>a<selection></p><p></selection>b</p>',
  180. '<p>a<selection /></p><p>b</p>',
  181. { direction: 'BACKWARD' }
  182. );
  183. } );
  184. } );
  185. test(
  186. 'updates selection attributes',
  187. '<p><$text bold=true>foo</$text><selection>b</selection></p>',
  188. '<p><$text bold=true>foo</$text><selection bold=true />b</p>',
  189. { direction: 'BACKWARD' }
  190. );
  191. } );
  192. function test( title, input, output, options ) {
  193. it( title, () => {
  194. setData( document, 'main', input );
  195. modifySelection( document.selection, options );
  196. expect( getData( document, 'main', { selection: true } ) ).to.equal( output );
  197. } );
  198. }
  199. } );