public/plugins/Ueditor/dialogs/tangram.js

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// Copyright (c) 2009, Baidu Inc. All rights reserved.
// 
// Licensed under the BSD License
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//      http:// tangram.baidu.com/license.html
// 
// 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.
/**
 * @namespace T Tangram七巧板
 * @name T
 * @version 1.6.0
 */

/**
 * 声明baidu包
 * @author: allstar, erik, meizz, berg
 */
var T,
    baidu = T = baidu || {version: "1.5.0"};
baidu.guid = "$BAIDU$";
baidu.$$ = window[baidu.guid] = window[baidu.guid] || {global: {}};

/**
 * 使用flash资源封装的一些功能
 * @namespace baidu.flash
 */
baidu.flash = baidu.flash || {};

/**
 * 操作dom的方法
 * @namespace baidu.dom
 */
baidu.dom = baidu.dom || {};


/**
 * 从文档中获取指定的DOM元素
 * @name baidu.dom.g
 * @function
 * @grammar baidu.dom.g(id)
 * @param {string|HTMLElement} id 元素的id或DOM元素.
 * @shortcut g,T.G
 * @meta standard
 * @see baidu.dom.q
 *
 * @return {HTMLElement|null} 获取的元素，查找不到时返回null,如果参数不合法，直接返回参数.
 */
baidu.dom.g = function (id) {
    if (!id) return null;
    if ('string' == typeof id || id instanceof String) {
        return document.getElementById(id);
    } else if (id.nodeName && (id.nodeType == 1 || id.nodeType == 9)) {
        return id;
    }