dropdownview.js 7.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255
  1. /**
  2. * @license Copyright (c) 2003-2018, 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' ) ).to.be.true;
  44. expect( view.element.classList.contains( 'ck-dropdown' ) ).to.be.true;
  45. expect( view.element.children ).to.have.length( 2 );
  46. expect( view.element.children[ 0 ] ).to.equal( buttonView.element );
  47. expect( view.element.children[ 1 ] ).to.equal( panelView.element );
  48. } );
  49. it( 'sets view#buttonView class', () => {
  50. expect( view.buttonView.element.classList.contains( 'ck-dropdown__button' ) ).to.be.true;
  51. } );
  52. describe( 'bindings', () => {
  53. describe( 'view#isOpen to view.buttonView#select', () => {
  54. it( 'is activated', () => {
  55. const values = [];
  56. view.on( 'change:isOpen', () => {
  57. values.push( view.isOpen );
  58. } );
  59. view.buttonView.fire( 'open' );
  60. view.buttonView.fire( 'open' );
  61. view.buttonView.fire( 'open' );
  62. expect( values ).to.have.members( [ true, false, true ] );
  63. } );
  64. } );
  65. describe( 'view.panelView#isVisible to view#isOpen', () => {
  66. it( 'is activated', () => {
  67. const values = [];
  68. view.listenTo( view.panelView, 'change:isVisible', () => {
  69. values.push( view.isOpen );
  70. } );
  71. view.isOpen = true;
  72. view.isOpen = false;
  73. view.isOpen = true;
  74. expect( values ).to.have.members( [ true, false, true ] );
  75. } );
  76. } );
  77. describe( 'DOM', () => {
  78. describe( 'view#element .ck-disabled class to view#isEnabled', () => {
  79. it( 'is activated', () => {
  80. view.isEnabled = true;
  81. expect( view.element.classList.contains( 'ck-disabled' ) ).to.be.false;
  82. view.isEnabled = false;
  83. expect( view.element.classList.contains( 'ck-disabled' ) ).to.be.true;
  84. } );
  85. } );
  86. } );
  87. } );
  88. } );
  89. describe( 'render()', () => {
  90. it( 'starts listening for #keystrokes coming from #element', () => {
  91. view = new DropdownView( locale,
  92. new ButtonView( locale ),
  93. new DropdownPanelView( locale ) );
  94. const spy = sinon.spy( view.keystrokes, 'listenTo' );
  95. view.render();
  96. sinon.assert.calledOnce( spy );
  97. sinon.assert.calledWithExactly( spy, view.element );
  98. } );
  99. it( 'adds #element to #focusTracker', () => {
  100. view = new DropdownView( locale,
  101. new ButtonView( locale ),
  102. new DropdownPanelView( locale ) );
  103. const spy = sinon.spy( view.focusTracker, 'add' );
  104. view.render();
  105. sinon.assert.calledOnce( spy );
  106. sinon.assert.calledWithExactly( spy, view.element );
  107. } );
  108. describe( 'activates keyboard navigation for the dropdown', () => {
  109. it( 'so "arrowdown" opens the #panelView', () => {
  110. const keyEvtData = {
  111. keyCode: keyCodes.arrowdown,
  112. preventDefault: sinon.spy(),
  113. stopPropagation: sinon.spy()
  114. };
  115. view.buttonView.isEnabled = true;
  116. view.isOpen = true;
  117. view.keystrokes.press( keyEvtData );
  118. sinon.assert.notCalled( keyEvtData.preventDefault );
  119. sinon.assert.notCalled( keyEvtData.stopPropagation );
  120. expect( view.isOpen ).to.be.true;
  121. view.isOpen = false;
  122. view.keystrokes.press( keyEvtData );
  123. sinon.assert.calledOnce( keyEvtData.preventDefault );
  124. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  125. expect( view.isOpen ).to.be.true;
  126. } );
  127. it( 'so "arrowdown" won\'t open the #panelView when #isEnabled is false', () => {
  128. const keyEvtData = {
  129. keyCode: keyCodes.arrowdown,
  130. preventDefault: sinon.spy(),
  131. stopPropagation: sinon.spy()
  132. };
  133. view.buttonView.isEnabled = false;
  134. view.isOpen = false;
  135. view.keystrokes.press( keyEvtData );
  136. sinon.assert.notCalled( keyEvtData.preventDefault );
  137. sinon.assert.notCalled( keyEvtData.stopPropagation );
  138. expect( view.isOpen ).to.be.false;
  139. } );
  140. it( 'so "arrowright" is blocked', () => {
  141. const keyEvtData = {
  142. keyCode: keyCodes.arrowright,
  143. preventDefault: sinon.spy(),
  144. stopPropagation: sinon.spy()
  145. };
  146. view.false = true;
  147. view.keystrokes.press( keyEvtData );
  148. sinon.assert.notCalled( keyEvtData.preventDefault );
  149. sinon.assert.notCalled( keyEvtData.stopPropagation );
  150. expect( view.isOpen ).to.be.false;
  151. view.isOpen = true;
  152. view.keystrokes.press( keyEvtData );
  153. sinon.assert.calledOnce( keyEvtData.preventDefault );
  154. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  155. expect( view.isOpen ).to.be.true;
  156. } );
  157. it( 'so "arrowleft" closes the #panelView', () => {
  158. const keyEvtData = {
  159. keyCode: keyCodes.arrowleft,
  160. preventDefault: sinon.spy(),
  161. stopPropagation: sinon.spy()
  162. };
  163. const spy = sinon.spy( view.buttonView, 'focus' );
  164. view.isOpen = false;
  165. view.keystrokes.press( keyEvtData );
  166. sinon.assert.notCalled( keyEvtData.preventDefault );
  167. sinon.assert.notCalled( keyEvtData.stopPropagation );
  168. sinon.assert.notCalled( spy );
  169. expect( view.isOpen ).to.be.false;
  170. view.isOpen = true;
  171. view.keystrokes.press( keyEvtData );
  172. sinon.assert.calledOnce( keyEvtData.preventDefault );
  173. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  174. sinon.assert.calledOnce( spy );
  175. expect( view.isOpen ).to.be.false;
  176. } );
  177. it( 'so "esc" closes the #panelView', () => {
  178. const keyEvtData = {
  179. keyCode: keyCodes.esc,
  180. preventDefault: sinon.spy(),
  181. stopPropagation: sinon.spy()
  182. };
  183. const spy = sinon.spy( view.buttonView, 'focus' );
  184. view.isOpen = false;
  185. view.keystrokes.press( keyEvtData );
  186. sinon.assert.notCalled( keyEvtData.preventDefault );
  187. sinon.assert.notCalled( keyEvtData.stopPropagation );
  188. sinon.assert.notCalled( spy );
  189. expect( view.isOpen ).to.be.false;
  190. view.isOpen = true;
  191. view.keystrokes.press( keyEvtData );
  192. sinon.assert.calledOnce( keyEvtData.preventDefault );
  193. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  194. sinon.assert.calledOnce( spy );
  195. expect( view.isOpen ).to.be.false;
  196. } );
  197. } );
  198. } );
  199. describe( 'focus()', () => {
  200. it( 'focuses the #buttonView in DOM', () => {
  201. const spy = sinon.spy( view.buttonView, 'focus' );
  202. view.focus();
  203. sinon.assert.calledOnce( spy );
  204. } );
  205. } );
  206. } );