/// <summary>
/// 添加一项
/// </summary>
/// <param name="item"></param>
/// <returns>返回该项的索引</returns>
public virtual int AddItem(UIControl_ListItemBase item)
{
//_comGrid.AddChild(item.transform);
item.transform.SetParent(_comGrid.transform);
item.transform.localScale = Vector3.one;
_lstItems.Add(item);
ReSort();
return(_lstItems.Count - 1);
}
/// <summary>
/// 按对象移除
/// </summary>
/// <param name="item"></param>
public virtual void Remove(UIControl_ListItemBase item)
{
for (int i = 0; i < _lstItems.Count; ++i)
{
if (_lstItems[i] == item)
{
RemoveItemAt(i);
break;
}
}
}
void RemoveToPool(UIControl_ListItemBase item)
{
item.transform.SetParent(null);
//_comGrid.RemoveChild(item.transform);
item.transform.SetParent(_goPoolParent.transform);
item.gameObject.SetActive(false);
// 如果超出了池子的限制，则删除
if (_nPoolMax > 0 &&
_stackPool.Count == _nPoolMax)
{
Destroy(item.gameObject);
}
else
{
_stackPool.Push(item);
}
}
/// <summary>
/// 虽然有个prefab参数，貌似可以填充任意的ItemBase，
/// 但实际每次只能传入同一个prefab,否则池子可不会区分你两个prefab的不同
/// 如果传入的prefab不同，出现什么后果我可不管
/// </summary>
/// <param name="prefab"></param>
/// <param name="dosth"></param>
/// <returns></returns>
public override UIControl_ListItemBase CreateAndAddItem(UIControl_ListItemBase prefab, System.Action <UIControl_ListItemBase> dosth = null)
{
// 如果池子里面有
if (_stackPool.Count > 0)
{
UIControl_ListItemBase item = _stackPool.Pop();
item.gameObject.SetActive(true);
AddItem(item);
if (dosth != null)
{
dosth(item);
}
return(item);
}
// 否则就创建个新的
return(base.CreateAndAddItem(prefab, dosth));
}
/// <summary>
/// 根据prefab创建一个新的item，并添加到列表中
/// </summary>
/// <param name="prefab">要实例化的预制体</param>
/// <returns>实例化的item</returns>
public virtual UIControl_ListItemBase CreateAndAddItem(UIControl_ListItemBase prefab, System.Action <UIControl_ListItemBase> dosth = null)
{
GameObject clone = Instantiate(prefab.gameObject, _comGrid.transform.position, Quaternion.identity) as GameObject;// NGUITools.AddChild(gameObject, prefab.gameObject);
clone.transform.SetParent(gameObject.transform);
//clone.transform.localPosition = Vector3.zero;
clone.gameObject.SetActive(true);
clone.transform.localScale = Vector3.one;
UIControl_ListItemBase item = clone.GetComponent <UIControl_ListItemBase>();
AddItem(item);
if (dosth != null)
{
dosth(item);
}
return(item);
}