dropdownview.js 7.3 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 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. } );
  85. } );
  86. } );
  87. describe( 'render()', () => {
  88. it( 'starts listening for #keystrokes coming from #element', () => {
  89. view = new DropdownView( locale,
  90. new ButtonView( locale ),
  91. new DropdownPanelView( locale ) );
  92. const spy = sinon.spy( view.keystrokes, 'listenTo' );
  93. view.render();
  94. sinon.assert.calledOnce( spy );
  95. sinon.assert.calledWithExactly( spy, view.element );
  96. } );
  97. it( 'adds #element to #focusTracker', () => {
  98. view = new DropdownView( locale,
  99. new ButtonView( locale ),
  100. new DropdownPanelView( locale ) );
  101. const spy = sinon.spy( view.focusTracker, 'add' );
  102. view.render();
  103. sinon.assert.calledOnce( spy );
  104. sinon.assert.calledWithExactly( spy, view.element );
  105. } );
  106. describe( 'activates keyboard navigation for the dropdown', () => {
  107. it( 'so "arrowdown" opens the #panelView', () => {
  108. const keyEvtData = {
  109. keyCode: keyCodes.arrowdown,
  110. preventDefault: sinon.spy(),
  111. stopPropagation: sinon.spy()
  112. };
  113. view.buttonView.isEnabled = true;
  114. view.isOpen = true;
  115. view.keystrokes.press( keyEvtData );
  116. sinon.assert.notCalled( keyEvtData.preventDefault );
  117. sinon.assert.notCalled( keyEvtData.stopPropagation );
  118. expect( view.isOpen ).to.be.true;
  119. view.isOpen = false;
  120. view.keystrokes.press( keyEvtData );
  121. sinon.assert.calledOnce( keyEvtData.preventDefault );
  122. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  123. expect( view.isOpen ).to.be.true;
  124. } );
  125. it( 'so "arrowdown" won\'t open the #panelView when #isEnabled is false', () => {
  126. const keyEvtData = {
  127. keyCode: keyCodes.arrowdown,
  128. preventDefault: sinon.spy(),
  129. stopPropagation: sinon.spy()
  130. };
  131. view.buttonView.isEnabled = false;
  132. view.isOpen = false;
  133. view.keystrokes.press( keyEvtData );
  134. sinon.assert.notCalled( keyEvtData.preventDefault );
  135. sinon.assert.notCalled( keyEvtData.stopPropagation );
  136. expect( view.isOpen ).to.be.false;
  137. } );
  138. it( 'so "arrowright" is blocked', () => {
  139. const keyEvtData = {
  140. keyCode: keyCodes.arrowright,
  141. preventDefault: sinon.spy(),
  142. stopPropagation: sinon.spy()
  143. };
  144. view.false = true;
  145. view.keystrokes.press( keyEvtData );
  146. sinon.assert.notCalled( keyEvtData.preventDefault );
  147. sinon.assert.notCalled( keyEvtData.stopPropagation );
  148. expect( view.isOpen ).to.be.false;
  149. view.isOpen = true;
  150. view.keystrokes.press( keyEvtData );
  151. sinon.assert.calledOnce( keyEvtData.preventDefault );
  152. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  153. expect( view.isOpen ).to.be.true;
  154. } );
  155. it( 'so "arrowleft" closes the #panelView', () => {
  156. const keyEvtData = {
  157. keyCode: keyCodes.arrowleft,
  158. preventDefault: sinon.spy(),
  159. stopPropagation: sinon.spy()
  160. };
  161. const spy = sinon.spy( view.buttonView, 'focus' );
  162. view.isOpen = false;
  163. view.keystrokes.press( keyEvtData );
  164. sinon.assert.notCalled( keyEvtData.preventDefault );
  165. sinon.assert.notCalled( keyEvtData.stopPropagation );
  166. sinon.assert.notCalled( spy );
  167. expect( view.isOpen ).to.be.false;
  168. view.isOpen = true;
  169. view.keystrokes.press( keyEvtData );
  170. sinon.assert.calledOnce( keyEvtData.preventDefault );
  171. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  172. sinon.assert.calledOnce( spy );
  173. expect( view.isOpen ).to.be.false;
  174. } );
  175. it( 'so "esc" closes the #panelView', () => {
  176. const keyEvtData = {
  177. keyCode: keyCodes.esc,
  178. preventDefault: sinon.spy(),
  179. stopPropagation: sinon.spy()
  180. };
  181. const spy = sinon.spy( view.buttonView, 'focus' );
  182. view.isOpen = false;
  183. view.keystrokes.press( keyEvtData );
  184. sinon.assert.notCalled( keyEvtData.preventDefault );
  185. sinon.assert.notCalled( keyEvtData.stopPropagation );
  186. sinon.assert.notCalled( spy );
  187. expect( view.isOpen ).to.be.false;
  188. view.isOpen = true;
  189. view.keystrokes.press( keyEvtData );
  190. sinon.assert.calledOnce( keyEvtData.preventDefault );
  191. sinon.assert.calledOnce( keyEvtData.stopPropagation );
  192. sinon.assert.calledOnce( spy );
  193. expect( view.isOpen ).to.be.false;
  194. } );
  195. } );
  196. } );
  197. describe( 'focus()', () => {
  198. it( 'focuses the #buttonView in DOM', () => {
  199. const spy = sinon.spy( view.buttonView, 'focus' );
  200. view.focus();
  201. sinon.assert.calledOnce( spy );
  202. } );
  203. } );
  204. } );