diff options
Diffstat (limited to 'contexts/data/lib/closure-library/closure/goog/ui/checkboxrenderer.js')
-rw-r--r-- | contexts/data/lib/closure-library/closure/goog/ui/checkboxrenderer.js | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/contexts/data/lib/closure-library/closure/goog/ui/checkboxrenderer.js b/contexts/data/lib/closure-library/closure/goog/ui/checkboxrenderer.js deleted file mode 100644 index 5866a18..0000000 --- a/contexts/data/lib/closure-library/closure/goog/ui/checkboxrenderer.js +++ /dev/null @@ -1,171 +0,0 @@ -// Copyright 2011 The Closure Library Authors. All Rights Reserved. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS-IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -/** - * @fileoverview Default renderer for {@link goog.ui.Checkbox}s. - * - */ - -goog.provide('goog.ui.CheckboxRenderer'); - -goog.require('goog.array'); -goog.require('goog.asserts'); -goog.require('goog.dom.a11y'); -goog.require('goog.dom.a11y.Role'); -goog.require('goog.dom.a11y.State'); -goog.require('goog.dom.classes'); -goog.require('goog.object'); -goog.require('goog.ui.ControlRenderer'); - - - -/** - * Default renderer for {@link goog.ui.Checkbox}s. Extends the superclass - * to support checkbox states: - * @constructor - * @extends {goog.ui.ControlRenderer} - */ -goog.ui.CheckboxRenderer = function() { - goog.base(this); -}; -goog.inherits(goog.ui.CheckboxRenderer, goog.ui.ControlRenderer); -goog.addSingletonGetter(goog.ui.CheckboxRenderer); - - -/** - * Default CSS class to be applied to the root element of components rendered - * by this renderer. - * @type {string} - */ -goog.ui.CheckboxRenderer.CSS_CLASS = goog.getCssName('goog-checkbox'); - - -/** @override */ -goog.ui.CheckboxRenderer.prototype.createDom = function(checkbox) { - var element = checkbox.getDomHelper().createDom( - 'span', this.getClassNames(checkbox).join(' ')); - - var state = checkbox.getChecked(); - this.setCheckboxState(element, state); - - return element; -}; - - -/** @override */ -goog.ui.CheckboxRenderer.prototype.decorate = function(checkbox, element) { - // The superclass implementation takes care of common attributes; we only - // need to set the checkbox state. - element = goog.base(this, 'decorate', checkbox, element); - - var classes = goog.dom.classes.get(element); - // Update the checked state of the element based on its css classNames - // with the following order: undetermined -> checked -> unchecked. - var checked = goog.ui.Checkbox.State.UNCHECKED; - if (goog.array.contains(classes, - this.getClassForCheckboxState(goog.ui.Checkbox.State.UNDETERMINED))) { - checked = goog.ui.Checkbox.State.UNDETERMINED; - } else if (goog.array.contains(classes, - this.getClassForCheckboxState(goog.ui.Checkbox.State.CHECKED))) { - checked = goog.ui.Checkbox.State.CHECKED; - } else if (goog.array.contains(classes, - this.getClassForCheckboxState(goog.ui.Checkbox.State.UNCHECKED))) { - checked = goog.ui.Checkbox.State.UNCHECKED; - } - checkbox.setCheckedInternal(checked); - - goog.dom.a11y.setState(element, goog.dom.a11y.State.CHECKED, - this.ariaStateFromCheckState_(checked)); - - return element; -}; - - -/** - * Returns the ARIA role to be applied to checkboxes. - * @return {goog.dom.a11y.Role} ARIA role. - * @override - */ -goog.ui.CheckboxRenderer.prototype.getAriaRole = function() { - return goog.dom.a11y.Role.CHECKBOX; -}; - - -/** - * Updates the appearance of the control in response to a checkbox state - * change. - * @param {Element} element Checkbox element. - * @param {goog.ui.Checkbox.State} state Updated checkbox state. - */ -goog.ui.CheckboxRenderer.prototype.setCheckboxState = function( - element, state) { - if (element) { - var classToAdd = this.getClassForCheckboxState(state); - goog.asserts.assert(classToAdd); - if (goog.dom.classes.has(element, classToAdd)) { - return; - } - goog.object.forEach(goog.ui.Checkbox.State, function(state) { - var className = this.getClassForCheckboxState(state); - goog.dom.classes.enable(element, className, - className == classToAdd); - }, this); - goog.dom.a11y.setState(element, goog.dom.a11y.State.CHECKED, - this.ariaStateFromCheckState_(state)); - } -}; - - -/** - * Gets the checkbox's ARIA (accessibility) state from its checked state. - * @param {goog.ui.Checkbox.State} state Checkbox state. - * @return {string} The value of goog.dom.a11y.state.CHECKED. Either 'true', - * 'false', or 'mixed'. - * @private - */ -goog.ui.CheckboxRenderer.prototype.ariaStateFromCheckState_ = function(state) { - if (state == goog.ui.Checkbox.State.UNDETERMINED) { - return 'mixed'; - } else if (state == goog.ui.Checkbox.State.CHECKED) { - return 'true'; - } else { - return 'false'; - } -}; - - -/** @override */ -goog.ui.CheckboxRenderer.prototype.getCssClass = function() { - return goog.ui.CheckboxRenderer.CSS_CLASS; -}; - - -/** - * Takes a single {@link goog.ui.Checkbox.State}, and returns the - * corresponding CSS class name. - * @param {goog.ui.Checkbox.State} state Checkbox state. - * @return {string} CSS class representing the given state. - * @protected - */ -goog.ui.CheckboxRenderer.prototype.getClassForCheckboxState = function(state) { - var baseClass = this.getStructuralCssClass(); - if (state == goog.ui.Checkbox.State.CHECKED) { - return goog.getCssName(baseClass, 'checked'); - } else if (state == goog.ui.Checkbox.State.UNCHECKED) { - return goog.getCssName(baseClass, 'unchecked'); - } else if (state == goog.ui.Checkbox.State.UNDETERMINED) { - return goog.getCssName(baseClass, 'undetermined'); - } - throw Error('Invalid checkbox state: ' + state); -}; |