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Diffstat (limited to 'contexts/data/lib/closure-library/closure/goog/ui/textarearenderer.js')
-rw-r--r-- | contexts/data/lib/closure-library/closure/goog/ui/textarearenderer.js | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/contexts/data/lib/closure-library/closure/goog/ui/textarearenderer.js b/contexts/data/lib/closure-library/closure/goog/ui/textarearenderer.js deleted file mode 100644 index 32d8364..0000000 --- a/contexts/data/lib/closure-library/closure/goog/ui/textarearenderer.js +++ /dev/null @@ -1,168 +0,0 @@ -// Copyright 2010 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 Native browser textarea renderer for {@link goog.ui.Textarea}s. - */ - -goog.provide('goog.ui.TextareaRenderer'); - -goog.require('goog.ui.Component.State'); -goog.require('goog.ui.ControlRenderer'); - - - -/** - * Renderer for {@link goog.ui.Textarea}s. Renders and decorates native HTML - * textarea elements. Since native HTML textareas have built-in support for - * many features, overrides many expensive (and redundant) superclass methods to - * be no-ops. - * @constructor - * @extends {goog.ui.ControlRenderer} - */ -goog.ui.TextareaRenderer = function() { - goog.ui.ControlRenderer.call(this); -}; -goog.inherits(goog.ui.TextareaRenderer, goog.ui.ControlRenderer); -goog.addSingletonGetter(goog.ui.TextareaRenderer); - - -/** - * Default CSS class to be applied to the root element of components rendered - * by this renderer. - * @type {string} - */ -goog.ui.TextareaRenderer.CSS_CLASS = goog.getCssName('goog-textarea'); - - -/** @override */ -goog.ui.TextareaRenderer.prototype.getAriaRole = function() { - // textareas don't need ARIA roles to be recognized by screen readers. - return undefined; -}; - - -/** @override */ -goog.ui.TextareaRenderer.prototype.decorate = function(control, element) { - this.setUpTextarea_(control); - goog.ui.TextareaRenderer.superClass_.decorate.call(this, control, - element); - control.setContent(element.value); - return element; -}; - - -/** - * Returns the textarea's contents wrapped in an HTML textarea element. Sets - * the textarea's disabled attribute as needed. - * @param {goog.ui.Control} textarea Textarea to render. - * @return {Element} Root element for the Textarea control (an HTML textarea - * element). - * @override - */ -goog.ui.TextareaRenderer.prototype.createDom = function(textarea) { - this.setUpTextarea_(textarea); - var element = textarea.getDomHelper().createDom('textarea', { - 'class': this.getClassNames(textarea).join(' '), - 'disabled': !textarea.isEnabled() - }, textarea.getContent() || ''); - return element; -}; - - -/** - * Overrides {@link goog.ui.TextareaRenderer#canDecorate} by returning true only - * if the element is an HTML textarea. - * @param {Element} element Element to decorate. - * @return {boolean} Whether the renderer can decorate the element. - * @override - */ -goog.ui.TextareaRenderer.prototype.canDecorate = function(element) { - return element.tagName == goog.dom.TagName.TEXTAREA; -}; - - -/** - * Textareas natively support right-to-left rendering. - * @override - */ -goog.ui.TextareaRenderer.prototype.setRightToLeft = goog.nullFunction; - - -/** - * Textareas are always focusable as long as they are enabled. - * @override - */ -goog.ui.TextareaRenderer.prototype.isFocusable = function(textarea) { - return textarea.isEnabled(); -}; - - -/** - * Textareas natively support keyboard focus. - * @override - */ -goog.ui.TextareaRenderer.prototype.setFocusable = goog.nullFunction; - - -/** - * Textareas also expose the DISABLED state in the HTML textarea's - * {@code disabled} attribute. - * @override - */ -goog.ui.TextareaRenderer.prototype.setState = function(textarea, state, - enable) { - goog.ui.TextareaRenderer.superClass_.setState.call(this, textarea, state, - enable); - var element = textarea.getElement(); - if (element && state == goog.ui.Component.State.DISABLED) { - element.disabled = enable; - } -}; - - -/** - * Textareas don't need ARIA states to support accessibility, so this is - * a no-op. - * @override - */ -goog.ui.TextareaRenderer.prototype.updateAriaState = goog.nullFunction; - - -/** - * Sets up the textarea control such that it doesn't waste time adding - * functionality that is already natively supported by browser - * textareas. - * @param {goog.ui.Control} textarea Textarea control to configure. - * @private - */ -goog.ui.TextareaRenderer.prototype.setUpTextarea_ = function(textarea) { - textarea.setHandleMouseEvents(false); - textarea.setAutoStates(goog.ui.Component.State.ALL, false); - textarea.setSupportedState(goog.ui.Component.State.FOCUSED, false); -}; - - -/** @override **/ -goog.ui.TextareaRenderer.prototype.setContent = function(element, value) { - if (element) { - element.value = value; - } -}; - - -/** @override **/ -goog.ui.TextareaRenderer.prototype.getCssClass = function() { - return goog.ui.TextareaRenderer.CSS_CLASS; -}; |