google-closure-library/closure/goog/ui/toolbarcolormenubutton.js

Google's common JavaScript library

/**
 * @license
 * Copyright The Closure Library Authors.
 * SPDX-License-Identifier: Apache-2.0
 */

/**
 * @fileoverview A toolbar color menu button control.
 */

goog.provide('goog.ui.ToolbarColorMenuButton');

goog.require('goog.ui.ColorMenuButton');
goog.require('goog.ui.ToolbarColorMenuButtonRenderer');
goog.require('goog.ui.registry');
goog.requireType('goog.dom.DomHelper');
goog.requireType('goog.ui.ColorMenuButtonRenderer');
goog.requireType('goog.ui.ControlContent');
goog.requireType('goog.ui.Menu');



/**
 * A color menu button control for a toolbar.
 *
 * @param {goog.ui.ControlContent} content Text caption or existing DOM
 *     structure to display as the button's caption.
 * @param {goog.ui.Menu=} opt_menu Menu to render under the button when clicked;
 *     should contain at least one {@link goog.ui.ColorPalette} if present.
 * @param {goog.ui.ColorMenuButtonRenderer=} opt_renderer Optional
 *     renderer used to render or decorate the button; defaults to
 *     {@link goog.ui.ToolbarColorMenuButtonRenderer}.
 * @param {goog.dom.DomHelper=} opt_domHelper Optional DOM helper, used for
 *     document interaction.
 * @constructor
 * @extends {goog.ui.ColorMenuButton}
 */
goog.ui.ToolbarColorMenuButton = function(
    content, opt_menu, opt_renderer, opt_domHelper) {
  'use strict';
  goog.ui.ColorMenuButton.call(
      this, content, opt_menu,
      opt_renderer || goog.ui.ToolbarColorMenuButtonRenderer.getInstance(),
      opt_domHelper);
};
goog.inherits(goog.ui.ToolbarColorMenuButton, goog.ui.ColorMenuButton);


// Registers a decorator factory function for toolbar color menu buttons.
goog.ui.registry.setDecoratorByClassName(
    goog.getCssName('goog-toolbar-color-menu-button'), function() {
      'use strict';
      return new goog.ui.ToolbarColorMenuButton(null);
    });