8
0

dropdownview.js 7.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263
  1. /**
  2. * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. import DropdownView from '../../src/dropdown/dropdownview';
  6. import KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';
  7. import FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';
  8. import { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';
  9. import ButtonView from '../../src/button/buttonview';
  10. import DropdownPanelView from '../../src/dropdown/dropdownpanelview';
  11. describe( 'DropdownView', () => {
  12. let view, buttonView, panelView, locale;
  13. beforeEach( () => {
  14. locale = { t() {} };
  15. buttonView = new ButtonView( locale );
  16. panelView = new DropdownPanelView( locale );
  17. view = new DropdownView( locale, buttonView, panelView );
  18. view.render();
  19. } );
  20. describe( 'constructor()', () => {
  21. it( 'sets view#locale', () => {
  22. expect( view.locale ).to.equal( locale );
  23. } );
  24. it( 'sets view#buttonView', () => {
  25. expect( view.buttonView ).to.equal( buttonView );
  26. } );
  27. it( 'sets view#panelView', () => {
  28. expect( view.panelView ).to.equal( panelView );
  29. } );
  30. it( 'sets view#isOpen false', () => {
  31. expect( view.isOpen ).to.be.false;
  32. } );
  33. it( 'sets view#isEnabled true', () => {
  34. expect( view.isEnabled ).to.be.true;
  35. } );
  36. it( 'creates #focusTracker instance', () => {
  37. expect( view.focusTracker ).to.be.instanceOf( FocusTracker );
  38. } );
  39. it( 'creates #keystrokeHandler instance', () => {
  40. expect( view.keystrokes ).to.be.instanceOf( KeystrokeHandler );
  41. } );
  42. it( 'creates #element from template', () => {
  43. expect( view.element.classList.contains( 'ck-dropdown' ) ).to.be.true;
  44. expect( view.element.firstChild ).to.equal( buttonView.element );
  45. expect( view.element.lastChild ).to.equal( panelView.element );
  46. } );
  47. it( 'sets view#buttonView class', () => {
  48. expect( view.buttonView.element.classList.contains( 'ck-dropdown__button' ) ).to.be.true;
  49. } );
  50. describe( 'bindings', () => {
  51. describe( 'view#isOpen to view.buttonView#execute', () => {
  52. it( 'is activated', () => {
  53. const values = [];
  54. view.on( 'change:isOpen', () => {
  55. values.push( view.isOpen );
  56. } );
  57. view.buttonView.fire( 'execute' );
  58. view.buttonView.fire( 'execute' );
  59. view.buttonView.fire( 'execute' );
  60. expect( values ).to.have.members( [ true, false, true ] );
  61. } );
  62. } );
  63. describe( 'view.panelView#isVisible to view#isOpen', () => {
  64. it( 'is activated', () => {
  65. const values = [];
  66. view.listenTo( view.panelView, 'change:isVisible', () => {
  67. values.push( view.isOpen );
  68. } );
  69. view.isOpen = true;
  70. view.isOpen = false;
  71. view.isOpen = true;
  72. expect( values ).to.have.members( [ true, false, true ] );
  73. } );
  74. } );
  75. describe( 'DOM', () => {
  76. describe( 'view#element .ck-disabled class to view#isEnabled', () => {
  77. it( 'is activated', () => {
  78. view.isEnabled = true;
  79. expect( view.element.classList.contains( 'ck-disabled' ) ).to.be.false;
  80. view.isEnabled = false;
  81. expect( view.element.classList.contains( 'ck-disabled' ) ).to.be.true;
  82. } );
  83. } );
  84. describe( 'view.buttonView#element .ck-on class to view#isOpen', () => {
  85. it( 'is activated', () => {
  86. view.isOpen = false;
  87. expect( view.buttonView.element.classList.contains( 'ck-on' ) ).to.be.false;
  88. view.isOpen = true;
  89. expect( view.buttonView.element.classList.contains( 'ck-on' ) ).to.be.true;
  90. } );
  91. } );
  92. } );
  93. } );
  94. } );
  95. describe( 'render()', () => {
  96. it( 'starts listening for #keystrokes coming from #element', () => {
  97. view = new DropdownView( locale,
  98. new ButtonView( locale ),
  99. new DropdownPanelView( locale ) );
  100. const spy = sinon.spy( view.keystrokes, 'listenTo' );
  101. view.render();
  102. sinon.assert.calledOnce( spy );
  103. sinon.assert.calledWithExactly( spy, view.element );
  104. } );
  105. it( 'adds #element to #focusTracker', () => {
  106. view = new DropdownView( locale,
  107. new ButtonView( locale ),
  108. new DropdownPanelView( locale ) );
  109. const spy = sinon.spy( view.focusTracker, 'add' );
  110. view.render();
  111. sinon.assert.calledOnce( spy );
  112. sinon.assert.calledWithExactly( spy, view.element );
  113. } );
  114. describe( 'activates keyboard navigation for the dropdown', () => {
  115. it( 'so "arrowdown" opens the #panelView', () => {
  116. const keyEvtData = {
  117. keyCode: keyCodes.arrowdown,
  118. preventDefault: sinon.spy(),
  119. stopPropagation: sinon.spy()
  120. };
  121. view.buttonView.isEnabled = true;
  122. view.isOpen = true;
  123. view.keystrokes.press( keyEvtData );
  124. sinon.assert.notCalled( keyEvtData.preventDefault );
  125. sinon.assert.notCalled( keyEvtData.stopPropagation );
  126. expect( view.isOpen ).to.be.true;
  127. view.isOpen = false;
  128. view.keystrokes.press( keyEvtData );
  129. sinon.assert.calledOnce( keyEvtData.preventDefault );
  130. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  131. expect( view.isOpen ).to.be.true;
  132. } );
  133. it( 'so "arrowdown" won\'t open the #panelView when #isEnabled is false', () => {
  134. const keyEvtData = {
  135. keyCode: keyCodes.arrowdown,
  136. preventDefault: sinon.spy(),
  137. stopPropagation: sinon.spy()
  138. };
  139. view.buttonView.isEnabled = false;
  140. view.isOpen = false;
  141. view.keystrokes.press( keyEvtData );
  142. sinon.assert.notCalled( keyEvtData.preventDefault );
  143. sinon.assert.notCalled( keyEvtData.stopPropagation );
  144. expect( view.isOpen ).to.be.false;
  145. } );
  146. it( 'so "arrowright" is blocked', () => {
  147. const keyEvtData = {
  148. keyCode: keyCodes.arrowright,
  149. preventDefault: sinon.spy(),
  150. stopPropagation: sinon.spy()
  151. };
  152. view.false = true;
  153. view.keystrokes.press( keyEvtData );
  154. sinon.assert.notCalled( keyEvtData.preventDefault );
  155. sinon.assert.notCalled( keyEvtData.stopPropagation );
  156. expect( view.isOpen ).to.be.false;
  157. view.isOpen = true;
  158. view.keystrokes.press( keyEvtData );
  159. sinon.assert.calledOnce( keyEvtData.preventDefault );
  160. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  161. expect( view.isOpen ).to.be.true;
  162. } );
  163. it( 'so "arrowleft" closes the #panelView', () => {
  164. const keyEvtData = {
  165. keyCode: keyCodes.arrowleft,
  166. preventDefault: sinon.spy(),
  167. stopPropagation: sinon.spy()
  168. };
  169. const spy = sinon.spy( view.buttonView, 'focus' );
  170. view.isOpen = false;
  171. view.keystrokes.press( keyEvtData );
  172. sinon.assert.notCalled( keyEvtData.preventDefault );
  173. sinon.assert.notCalled( keyEvtData.stopPropagation );
  174. sinon.assert.notCalled( spy );
  175. expect( view.isOpen ).to.be.false;
  176. view.isOpen = true;
  177. view.keystrokes.press( keyEvtData );
  178. sinon.assert.calledOnce( keyEvtData.preventDefault );
  179. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  180. sinon.assert.calledOnce( spy );
  181. expect( view.isOpen ).to.be.false;
  182. } );
  183. it( 'so "esc" closes the #panelView', () => {
  184. const keyEvtData = {
  185. keyCode: keyCodes.esc,
  186. preventDefault: sinon.spy(),
  187. stopPropagation: sinon.spy()
  188. };
  189. const spy = sinon.spy( view.buttonView, 'focus' );
  190. view.isOpen = false;
  191. view.keystrokes.press( keyEvtData );
  192. sinon.assert.notCalled( keyEvtData.preventDefault );
  193. sinon.assert.notCalled( keyEvtData.stopPropagation );
  194. sinon.assert.notCalled( spy );
  195. expect( view.isOpen ).to.be.false;
  196. view.isOpen = true;
  197. view.keystrokes.press( keyEvtData );
  198. sinon.assert.calledOnce( keyEvtData.preventDefault );
  199. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  200. sinon.assert.calledOnce( spy );
  201. expect( view.isOpen ).to.be.false;
  202. } );
  203. } );
  204. } );
  205. describe( 'focus()', () => {
  206. it( 'focuses the #buttonView in DOM', () => {
  207. const spy = sinon.spy( view.buttonView, 'focus' );
  208. view.focus();
  209. sinon.assert.calledOnce( spy );
  210. } );
  211. } );
  212. } );