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// Copyright 2008 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 A toolbar-style renderer for {@link goog.ui.ColorMenuButton}.
*
* @author attila@google.com (Attila Bodis)
*/
goog.provide('goog.ui.ToolbarColorMenuButtonRenderer');
goog.require('goog.dom.classes');
goog.require('goog.ui.ColorMenuButtonRenderer');
goog.require('goog.ui.ControlContent');
goog.require('goog.ui.MenuButtonRenderer');
goog.require('goog.ui.ToolbarMenuButtonRenderer');
/**
* Toolbar-style renderer for {@link goog.ui.ColorMenuButton}s.
* @constructor
* @extends {goog.ui.ToolbarMenuButtonRenderer}
*/
goog.ui.ToolbarColorMenuButtonRenderer = function() {
goog.ui.ToolbarMenuButtonRenderer.call(this);
};
goog.inherits(goog.ui.ToolbarColorMenuButtonRenderer,
goog.ui.ToolbarMenuButtonRenderer);
goog.addSingletonGetter(goog.ui.ToolbarColorMenuButtonRenderer);
/**
* Overrides the superclass implementation by wrapping the caption text or DOM
* structure in a color indicator element. Creates the following DOM structure:
* <div class="goog-inline-block goog-toolbar-menu-button-caption">
* <div class="goog-color-menu-button-indicator">
* Contents...
* </div>
* </div>
* @param {goog.ui.ControlContent} content Text caption or DOM structure.
* @param {goog.dom.DomHelper} dom DOM helper, used for document interaction.
* @return {Element} Caption element.
* @see goog.ui.ToolbarColorMenuButtonRenderer#createColorIndicator
* @override
*/
goog.ui.ToolbarColorMenuButtonRenderer.prototype.createCaption = function(
content, dom) {
return goog.ui.MenuButtonRenderer.wrapCaption(
goog.ui.ColorMenuButtonRenderer.wrapCaption(content, dom),
this.getCssClass(),
dom);
};
/**
* Takes a color menu button control's root element and a value object
* (which is assumed to be a color), and updates the button's DOM to reflect
* the new color. Overrides {@link goog.ui.ButtonRenderer#setValue}.
* @param {Element} element The button control's root element (if rendered).
* @param {*} value New value; assumed to be a color spec string.
* @override
*/
goog.ui.ToolbarColorMenuButtonRenderer.prototype.setValue = function(element,
value) {
if (element) {
goog.ui.ColorMenuButtonRenderer.setCaptionValue(
this.getContentElement(element), value);
}
};
/**
* Initializes the button's DOM when it enters the document. Overrides the
* superclass implementation by making sure the button's color indicator is
* initialized.
* @param {goog.ui.Control} button goog.ui.ColorMenuButton whose DOM is to be
* initialized as it enters the document.
* @override
*/
goog.ui.ToolbarColorMenuButtonRenderer.prototype.initializeDom = function(
button) {
this.setValue(button.getElement(), button.getValue());
goog.dom.classes.add(button.getElement(),
goog.getCssName('goog-toolbar-color-menu-button'));
goog.ui.ToolbarColorMenuButtonRenderer.superClass_.initializeDom.call(this,
button);
};
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