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<h1 class="page-title">Source: menu_util.js</h1>
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<pre class="prettyprint source linenums"><code>/*************************************************************
*
* Copyright (c) 2015-2016 The MathJax Consortium
*
* 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 Utility class for menu handling.
*
* @author volker.sorge@gmail.com (Volker Sorge)
*/
/// <reference path="context_menu.ts" />
/// <reference path="item.ts" />
/// <reference path="menu.ts" />
/// <reference path="sub_menu.ts" />
/**
* @namespace
*/
var MenuUtil;
(function (MenuUtil) {
/**
* Closes the entire context menu.
* @param {Item} item The item on which the menu close is called.
*/
MenuUtil.close = close;
function close(item) {
let menu = item.getMenu();
if (menu instanceof ContextMenu.SubMenu) {
menu.baseMenu.unpost();
}
else {
menu.unpost();
}
}
/**
* Retrieves the currently active element of the overall context menu.
* @param {Item} item The item on which the last call was made.
* @return {HtmlElement} The currently active element.
*/
MenuUtil.getActiveElement = getActiveElement;
function getActiveElement(item) {
let menu = item.getMenu();
let baseMenu = menu instanceof ContextMenu.SubMenu ?
menu.baseMenu : menu;
return baseMenu.getStore().getActive();
}
/**
* Error function for controlled exceptions.
* @param {Error} error The thrown error, containing the stack trace.
* @param {string} msg The message to be signalled.
*/
MenuUtil.error = error;
function error(error, msg) {
console.log('ContextMenu Error: ' + msg);
}
/**
* @return {number} A global, increasing unique counter.
*/
MenuUtil.counter = counter;
function counter() {
return count++;
}
let count = 0;
})(MenuUtil = ContextMenu.MenuUtil || (ContextMenu.MenuUtil = {}));</code></pre>
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<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="AbstractEntry.html">AbstractEntry</a></li><li><a href="AbstractItem.html">AbstractItem</a></li><li><a href="AbstractMenu.html">AbstractMenu</a></li><li><a href="AbstractNavigatable.html">AbstractNavigatable</a></li><li><a href="AbstractPostable.html">AbstractPostable</a></li><li><a href="Checkbox.html">Checkbox</a></li><li><a href="CloseButton.html">CloseButton</a></li><li><a href="Command.html">Command</a></li><li><a href="ContextMenu.html">ContextMenu</a></li><li><a href="Info.html">Info</a></li><li><a href="Label.html">Label</a></li><li><a href="MenuElement.html">MenuElement</a></li><li><a href="MenuStore.html">MenuStore</a></li><li><a href="Popup.html">Popup</a></li><li><a href="Radio.html">Radio</a></li><li><a href="Rule.html">Rule</a></li><li><a href="SubMenu.html">SubMenu</a></li><li><a href="Submenu_.html">Submenu</a></li><li><a href="Variable.html">Variable</a></li><li><a href="VariablePool.html">VariablePool</a></li></ul><h3>Namespaces</h3><ul><li><a href="CssStyles.html">CssStyles</a></li><li><a href="MenuUtil.html">MenuUtil</a></li></ul><h3>Interfaces</h3><ul><li><a href="Element.html">Element</a></li><li><a href="Entry.html">Entry</a></li><li><a href="Item.html">Item</a></li><li><a href="KeyNavigatable.html">KeyNavigatable</a></li><li><a href="Menu.html">Menu</a></li><li><a href="MouseNavigatable.html">MouseNavigatable</a></li><li><a href="Postable.html">Postable</a></li><li><a href="TouchNavigatable.html">TouchNavigatable</a></li><li><a href="VariableItem.html">VariableItem</a></li></ul><h3>Global</h3><ul><li><a href="global.html#HtmlAttrs">HtmlAttrs</a></li><li><a href="global.html#HtmlClasses">HtmlClasses</a></li><li><a href="global.html#KEY">KEY</a></li><li><a href="global.html#MOUSE">MOUSE</a></li><li><a href="global.html#TOUCH">TOUCH</a></li></ul>
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