/// <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 ");
}
}
/// <summary>
/// 判断一个Data是否在content的渲染范围内
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
private bool IsNeedRender(DYData data)
{
bool result = false;
if (scrollDir == enScrollDir.Horizontal)
{
if (data.itemPos.x >= contentRenderLeftTop.x && data.itemPos.x <= contentRenderRightBottom.x)
{
result = true;
}
}
else
{
if ((data.itemPos.y <= contentRenderLeftTop.y || (data.itemPos.y - data.dyDataGridSize.y) <= contentRenderLeftTop.y) &&
(data.itemPos.y > contentRenderRightBottom.y || (data.itemPos.y - data.dyDataGridSize.y) >= contentRenderRightBottom.y))
{
result = true;
}
}
return(result);
}