JSDoc: Source: item_command.js

# Source: item_command.js

    /*************************************************************
     *
     *  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 Class of items that execute a command.
     *
     * @author volker.sorge@gmail.com (Volker Sorge)
     */
    /// <reference path="abstract_item.ts" />
    /// <reference path="menu_util.ts" />
    var ContextMenu;
    (function (ContextMenu) {
        class Command extends ContextMenu.AbstractItem {
            /**
             * @constructor
             * @extends {AbstractItem}
             * @param {Menu} menu The context menu or sub-menu the item belongs to.
             * @param {string} content The content of the menu item.
             * @param {Function} command The command to be executed on
             *     triggering the menu item.
             * @param {string=} id Optionally the id of the menu item.
             */
            constructor(menu, content, command, id) {
                super(menu, 'command', content, id);
                this.command = null;
                this.command = command;
            }
            /**
             * Parses a JSON respresentation of a command item.
             * @param {JSON} json The JSON object to parse.
             * @param {Menu} menu The menu the item is attached to.
             * @return {Command} The new command object.
             */
            static parse({ content: content, action: action, id: id }, menu) {
                return new Command(menu, content, action, id);
            }
            /**
             * @override
             */
            executeAction() {
                try {
                    this.command(ContextMenu.MenuUtil.getActiveElement(this));
                }
                catch (e) {
                    ContextMenu.MenuUtil.error(e, 'Illegal command callback.');
                }
                ContextMenu.MenuUtil.close(this);
            }
        }
        ContextMenu.Command = Command;
    })(ContextMenu || (ContextMenu = {}));