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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 color menu button. Extends {@link goog.ui.MenuButton} by
- * showing the currently selected color in the button caption.
- *
- * @author robbyw@google.com (Robby Walker)
- * @author attila@google.com (Attila Bodis)
- */
-
-goog.provide('goog.ui.ColorMenuButton');
-
-goog.require('goog.array');
-goog.require('goog.object');
-goog.require('goog.ui.ColorMenuButtonRenderer');
-goog.require('goog.ui.ColorPalette');
-goog.require('goog.ui.Component.EventType');
-goog.require('goog.ui.ControlContent');
-goog.require('goog.ui.Menu');
-goog.require('goog.ui.MenuButton');
-goog.require('goog.ui.registry');
-
-
-
-/**
- * A color menu button control. Extends {@link goog.ui.MenuButton} by adding
- * an API for getting and setting the currently selected color from a menu of
- * color palettes.
- *
- * @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.MenuButtonRenderer=} opt_renderer Button renderer;
- * defaults to {@link goog.ui.ColorMenuButtonRenderer}.
- * @param {goog.dom.DomHelper=} opt_domHelper Optional DOM hepler, used for
- * document interaction.
- * @constructor
- * @extends {goog.ui.MenuButton}
- */
-goog.ui.ColorMenuButton = function(content, opt_menu, opt_renderer,
- opt_domHelper) {
- goog.ui.MenuButton.call(this, content, opt_menu, opt_renderer ||
- goog.ui.ColorMenuButtonRenderer.getInstance(), opt_domHelper);
-};
-goog.inherits(goog.ui.ColorMenuButton, goog.ui.MenuButton);
-
-
-/**
- * Default color palettes.
- * @type {!Object}
- */
-goog.ui.ColorMenuButton.PALETTES = {
- /** Default grayscale colors. */
- GRAYSCALE: [
- '#000', '#444', '#666', '#999', '#ccc', '#eee', '#f3f3f3', '#fff'
- ],
-
- /** Default solid colors. */
- SOLID: [
- '#f00', '#f90', '#ff0', '#0f0', '#0ff', '#00f', '#90f', '#f0f'
- ],
-
- /** Default pastel colors. */
- PASTEL: [
- '#f4cccc', '#fce5cd', '#fff2cc', '#d9ead3', '#d0e0e3', '#cfe2f3', '#d9d2e9',
- '#ead1dc',
- '#ea9999', '#f9cb9c', '#ffe599', '#b6d7a8', '#a2c4c9', '#9fc5e8', '#b4a7d6',
- '#d5a6bd',
- '#e06666', '#f6b26b', '#ffd966', '#93c47d', '#76a5af', '#6fa8dc', '#8e7cc3',
- '#c27ba0',
- '#cc0000', '#e69138', '#f1c232', '#6aa84f', '#45818e', '#3d85c6', '#674ea7',
- '#a64d79',
- '#990000', '#b45f06', '#bf9000', '#38761d', '#134f5c', '#0b5394', '#351c75',
- '#741b47',
- '#660000', '#783f04', '#7f6000', '#274e13', '#0c343d', '#073763', '#20124d',
- '#4c1130'
- ]
-};
-
-
-/**
- * Value for the "no color" menu item object in the color menu (if present).
- * The {@link goog.ui.ColorMenuButton#handleMenuAction} method interprets
- * ACTION events dispatched by an item with this value as meaning "clear the
- * selected color."
- * @type {string}
- */
-goog.ui.ColorMenuButton.NO_COLOR = 'none';
-
-
-/**
- * Factory method that creates and returns a new {@link goog.ui.Menu} instance
- * containing default color palettes.
- * @param {Array.<goog.ui.Control>=} opt_extraItems Optional extra menu items to
- * add before the color palettes.
- * @param {goog.dom.DomHelper=} opt_domHelper Optional DOM hepler, used for
- * document interaction.
- * @return {goog.ui.Menu} Color menu.
- */
-goog.ui.ColorMenuButton.newColorMenu = function(opt_extraItems, opt_domHelper) {
- var menu = new goog.ui.Menu(opt_domHelper);
-
- if (opt_extraItems) {
- goog.array.forEach(opt_extraItems, function(item) {
- menu.addChild(item, true);
- });
- }
-
- goog.object.forEach(goog.ui.ColorMenuButton.PALETTES, function(colors) {
- var palette = new goog.ui.ColorPalette(colors, null, opt_domHelper);
- palette.setSize(8);
- menu.addChild(palette, true);
- });
-
- return menu;
-};
-
-
-/**
- * Returns the currently selected color (null if none).
- * @return {?string} The selected color.
- */
-goog.ui.ColorMenuButton.prototype.getSelectedColor = function() {
- return /** @type {string} */ (this.getValue());
-};
-
-
-/**
- * Sets the selected color, or clears the selected color if the argument is
- * null or not any of the available color choices.
- * @param {?string} color New color.
- */
-goog.ui.ColorMenuButton.prototype.setSelectedColor = function(color) {
- this.setValue(color);
-};
-
-
-/**
- * Sets the value associated with the color menu button. Overrides
- * {@link goog.ui.Button#setValue} by interpreting the value as a color
- * spec string.
- * @param {*} value New button value; should be a color spec string.
- * @override
- */
-goog.ui.ColorMenuButton.prototype.setValue = function(value) {
- var color = /** @type {?string} */ (value);
- for (var i = 0, item; item = this.getItemAt(i); i++) {
- if (typeof item.setSelectedColor == 'function') {
- // This menu item looks like a color palette.
- item.setSelectedColor(color);
- }
- }
- goog.ui.ColorMenuButton.superClass_.setValue.call(this, color);
-};
-
-
-/**
- * Handles {@link goog.ui.Component.EventType.ACTION} events dispatched by
- * the menu item clicked by the user. Updates the button, calls the superclass
- * implementation to hide the menu, stops the propagation of the event, and
- * dispatches an ACTION event on behalf of the button itself. Overrides
- * {@link goog.ui.MenuButton#handleMenuAction}.
- * @param {goog.events.Event} e Action event to handle.
- * @override
- */
-goog.ui.ColorMenuButton.prototype.handleMenuAction = function(e) {
- if (typeof e.target.getSelectedColor == 'function') {
- // User clicked something that looks like a color palette.
- this.setValue(e.target.getSelectedColor());
- } else if (e.target.getValue() == goog.ui.ColorMenuButton.NO_COLOR) {
- // User clicked the special "no color" menu item.
- this.setValue(null);
- }
- goog.ui.ColorMenuButton.superClass_.handleMenuAction.call(this, e);
- e.stopPropagation();
- this.dispatchEvent(goog.ui.Component.EventType.ACTION);
-};
-
-
-/**
- * Opens or closes the menu. Overrides {@link goog.ui.MenuButton#setOpen} by
- * generating a default color menu on the fly if needed.
- * @param {boolean} open Whether to open or close the menu.
- * @param {goog.events.Event=} opt_e Mousedown event that caused the menu to
- * be opened.
- * @override
- */
-goog.ui.ColorMenuButton.prototype.setOpen = function(open, opt_e) {
- if (open && this.getItemCount() == 0) {
- this.setMenu(
- goog.ui.ColorMenuButton.newColorMenu(null, this.getDomHelper()));
- this.setValue(/** @type {?string} */ (this.getValue()));
- }
- goog.ui.ColorMenuButton.superClass_.setOpen.call(this, open, opt_e);
-};
-
-
-// Register a decorator factory function for goog.ui.ColorMenuButtons.
-goog.ui.registry.setDecoratorByClassName(
- goog.ui.ColorMenuButtonRenderer.CSS_CLASS,
- function() {
- return new goog.ui.ColorMenuButton(null);
- });