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// 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 A color button rendered via
* {@link goog.ui.ColorButtonRenderer}.
*
*/
goog.provide('goog.ui.ColorButton');
goog.require('goog.ui.Button');
goog.require('goog.ui.ColorButtonRenderer');
goog.require('goog.ui.registry');
/**
* A color button control. Identical to {@link goog.ui.Button}, except it
* defaults its renderer to {@link goog.ui.ColorButtonRenderer}.
* This button displays a particular color and is clickable.
* It is primarily useful with {@link goog.ui.ColorSplitBehavior} to cache the
* last selected color.
*
* @param {goog.ui.ControlContent} content Text caption or existing DOM
* structure to display as the button's caption.
* @param {goog.ui.ButtonRenderer=} opt_renderer Optional renderer used to
* render or decorate the button; defaults to
* {@link goog.ui.ColorButtonRenderer}.
* @param {goog.dom.DomHelper=} opt_domHelper Optional DOM helper, used for
* document interaction.
* @constructor
* @extends {goog.ui.Button}
*/
goog.ui.ColorButton = function(content, opt_renderer, opt_domHelper) {
goog.ui.Button.call(this, content, opt_renderer ||
goog.ui.ColorButtonRenderer.getInstance(), opt_domHelper);
};
goog.inherits(goog.ui.ColorButton, goog.ui.Button);
// Register a decorator factory function for goog.ui.ColorButtons.
goog.ui.registry.setDecoratorByClassName(goog.ui.ColorButtonRenderer.CSS_CLASS,
function() {
// ColorButton defaults to using ColorButtonRenderer.
return new goog.ui.ColorButton(null);
});
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