public override void updateItem(GameObject item, int index)
    {
        //base.updateItem (item, index);
        ButtonStoreProp button = item.GetComponent <ButtonStoreProp> ();

        button.UpdateProp(props [index] as Prop);
    }
    public override void initButton(int i)
    {
        if (nodeList [i] == null)
        {
            nodeList [i] = NGUITools.AddChild(gameObject, propButtonPrefab);
        }
        nodeList [i].name = StringKit.intToFixString(i + 1);
        ButtonStoreProp button = nodeList [i].GetComponent <ButtonStoreProp> ();

        button.fatherWindow = fatherWindow;
        button.UpdateProp(props [i] as Prop);
    }