text: /**
   * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
   *
   * WSO2 Inc. licenses this file to you 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.
   */
  define(['lodash', 'backbone'], function (_, Backbone) {
  
      var DiagramElement = Backbone.Model.extend(
      /** @lends DiagramElement.prototype */
      {
  
          selectedNode: null,
          /**
           * @augments DiagramElement
           * @constructs
           * @class Element represents the model for elements in a diagram.
           */
          initialize: function (attrs, options) {
          },
  
          parent: function (parent) {
              if (_.isUndefined(parent)) {
                  return this.get("parent");
              } else {
                  this.set("parent", parent);
              }
          },
  
          modelName: "DiagramElement",
  
          idAttribute: this.cid,
  
          defaults: {}
      });
  
      return DiagramElement;
  });
  
  