/// <summary>
/// 获取一个 Item
/// </summary>
/// <param name="prefabPath"></param>
/// <returns></returns>
private DYDataGridItem GetDYDataGridItemByPrefabPath(string prefabPath)
{
if (!itemPool.ContainsKey(prefabPath))
{
Queue <DYDataGridItem> newQueue = new Queue <DYDataGridItem>();
itemPool.Add(prefabPath, newQueue);
}
Queue <DYDataGridItem> itemQueue = itemPool[prefabPath];
DYDataGridItem item = null;
if (itemQueue.Count > 0)
{
item = itemQueue.Dequeue();
}
else
{
GameObject obj = Instantiate(Resources.Load(prefabPath)) as GameObject;
obj.name = obj.name.Replace("(Clone)", "");
item = obj.GetComponent <DYDataGridItem>();
if (item == null)
{
Debug.LogError("DYDataGridItem 为 NULL");
}
}
if (item != null)
{
item.gameObject.SetActive(true);
}
return(item);
}
public void OnDestroy()
{
foreach (KeyValuePair <DYData, DYDataGridItem> kv in activeDataGridItem)
{
if (kv.Value.gameObject != null)
{
GameObject.Destroy(kv.Value.gameObject);
}
}
activeDataGridItem.Clear();
activeDataGridItem = null;
foreach (KeyValuePair <string, Queue <DYDataGridItem> > kv in itemPool)
{
while (kv.Value.Count > 0)
{
DYDataGridItem item = kv.Value.Dequeue();
if (item.gameObject != null)
{
GameObject.Destroy(item);
}
}
}
itemPool.Clear();
itemPool = null;
}
/// <summary>
/// 缓存一个 Item
/// </summary>
/// <param name="prefabPath"></param>
/// <param name="item"></param>
private void CacheDYDataGridItem(string prefabPath, DYDataGridItem item)
{
if (item.gameObject != null)
{
item.gameObject.SetActive(false);
}
itemPool[prefabPath].Enqueue(item);
}
/// <summary>
/// 渲染一个 Data
/// </summary>
/// <param name="data"></param>
private void RenderItem(DYData data)
{
DYDataGridItem item = GetDYDataGridItemByPrefabPath(data.prefabPath);
item.rectTrans.SetParent(this.content);
item.rectTrans.anchoredPosition3D = data.itemPos;
item.rectTrans.localScale = Vector3.one;
item.data = data;
item.Render();
activeDataGridItem.Add(data, item);
}
/// <summary>
/// 回收一个 Data Item
/// </summary>
/// <param name="data"></param>
private void RecoupItem(DYData data)
{
DYDataGridItem item = null;
activeDataGridItem.TryGetValue(data, out item);
if (item != null)
{
activeDataGridItem.Remove(data);
item.Release();
CacheDYDataGridItem(data.prefabPath, item);
}
else
{
Debug.LogError("回收数据出错，无法在活动的 Data 中找到对应的 Item ");
}
}
