cc.Class({
  extends: cc.Component,
  properties: {
    img: {
      default: null,
      type: cc.SpriteFrame,
      displayName: "更换的图片"
    },
    startTime: {
      default: 0,
      displayName: "起始延迟时间"
    },
    returnDelayTime: {
      default: -1,
      displayName: "返回延迟的时间,负数为不返回"
    },
    eventNode_over: {
      default: null,
      type: cc.Node,
      displayName: "结束事件节点"
    }
  },
  start: function () {
    this.node.switchEvent = this.switchEvent.bind(this);
  },
  switchEvent: function () {
    var e = this;
    var o = this.node.getComponent(cc.Sprite);
    cc.tween(o).delay(this.startTime).call(function () {
      o.spriteFrame = e.img;
      e.eventNode_over && e.eventNode_over.switchEvent();
    }).start();
  },
  returnStartPos: function () {},
  restoreEvent: function () {}
});