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 = {}));