text: /**
   * Copyright (c) 2014,Egret-Labs.org
   * All rights reserved.
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above copyright
   *       notice, this list of conditions and the following disclaimer in the
   *       documentation and/or other materials provided with the distribution.
   *     * Neither the name of the Egret-Labs.org nor the
   *       names of its contributors may be used to endorse or promote products
   *       derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY EGRET-LABS.ORG AND CONTRIBUTORS "AS IS" AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL EGRET-LABS.ORG AND CONTRIBUTORS BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  var __extends = this.__extends || function (d, b) {
      for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
      function __() { this.constructor = d; }
      __.prototype = b.prototype;
      d.prototype = new __();
  };
  var egret;
  (function (egret) {
      var gui;
      (function (gui) {
          /**
           * @class egret.gui.ElementExistenceEvent
           * @classdesc
           * Group添加或移除元素时分派的事件。
           * @extends egret.Event
           */
          var ElementExistenceEvent = (function (_super) {
              __extends(ElementExistenceEvent, _super);
              /**
               * @member egret.gui.ElementExistenceEvent#constructor
               */
              function ElementExistenceEvent(type, bubbles, cancelable, element, index) {
                  if (bubbles === void 0) { bubbles = false; }
                  if (cancelable === void 0) { cancelable = false; }
                  if (element === void 0) { element = null; }
                  if (index === void 0) { index = -1; }
                  _super.call(this, type, bubbles, cancelable);
                  /**
                   * 指向已添加或删除元素的位置的索引。
                   * @member egret.gui.ElementExistenceEvent#index
                   */
                  this.index = NaN;
                  /**
                   * 对已添加或删除的视觉元素的引用。
                   * @member egret.gui.ElementExistenceEvent#element
                   */
                  this.element = null;
                  this.element = element;
                  this.index = index;
              }
              /**
               * 使用指定的EventDispatcher对象来抛出事件对象。抛出的对象将会缓存在对象池上，供下次循环复用。
               * @method egret.gui.ElementExistenceEvent.dispatchElementExistenceEvent
               */
              ElementExistenceEvent.dispatchElementExistenceEvent = function (target, type, element, index) {
                  if (element === void 0) { element = null; }
                  if (index === void 0) { index = -1; }
                  var eventClass = ElementExistenceEvent;
                  var props = egret.Event._getPropertyData(eventClass);
                  props.element = element;
                  props.index = index;
                  egret.Event._dispatchByTarget(eventClass, target, type, props);
              };
              /**
               * 元素添加
               * @constant egret.gui.ElementExistenceEvent.ELEMENT_ADD
               */
              ElementExistenceEvent.ELEMENT_ADD = "elementAdd";
              /**
               * 元素移除
               * @constant egret.gui.ElementExistenceEvent.ELEMENT_REMOVE
               */
              ElementExistenceEvent.ELEMENT_REMOVE = "elementRemove";
              return ElementExistenceEvent;
          })(egret.Event);
          gui.ElementExistenceEvent = ElementExistenceEvent;
          ElementExistenceEvent.prototype.__class__ = "egret.gui.ElementExistenceEvent";
      })(gui = egret.gui || (egret.gui = {}));
  })(egret || (egret = {}));
  