/// <summary>
/// 交换两个子项
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="index1"></param>
/// <param name="index2"></param>
/// <param name="dataList">不为空则交换前端数据</param>
public void ExchangeItem <T>(int index1, int index2, List <T> dataList = null) where T : IViewData
{
int tempIndex = itemList[index1].transform.GetSiblingIndex();
itemList[index1].transform.SetSiblingIndex(itemList[index2].transform.GetSiblingIndex());
itemList[index1].Index = index2;
itemList[index2].transform.SetSiblingIndex(tempIndex);
itemList[index2].Index = index1;
ScrollViewListItem tempScrollItem = itemList[index1];
itemList[index1] = itemList[index2];
itemList[index2] = tempScrollItem;
IViewData tempData = itemData[index1];
itemData[index1] = itemData[index2];
itemData[index2] = tempData;
if (dataList != null && dataList.Count > 0)
{
T temp = dataList[index1];
dataList[index1] = dataList[index2];
dataList[index2] = temp;
}
}
/// <summary>
/// 添加子项
/// </summary>
/// <param name="itemData"></param>
/// <returns></returns>
private bool AddItem(IViewData itemData)
{
ScrollViewListItem item = new ScrollViewListItem();
item = Instantiate(prefab, content).GetComponent <ScrollViewListItem>();
item.Index = itemList.Count;
item.stateChange = ItemStateChange;
item.gameObject.SetActive(true);
itemList.Add(item);
item.LoadData(itemData);
this.itemData.Add(itemData);
return(true);
}
