private void DelItemFromPanel(int index)
{
int maxIndex = -1;
int minIndex = int.MaxValue;
for (int i = _itemList.Count; i > 0; i--)
{
UIScrollIndex item = _itemList[i - 1];
if (item.Index == index)
{
GameObject.Destroy(item.gameObject);
_itemList.Remove(item);
}
if (item.Index > maxIndex)
{
maxIndex = item.Index;
}
if (item.Index < minIndex)
{
minIndex = item.Index;
}
if (item.Index > index)
{
item.Index -= 1;
}
}
if (maxIndex < DataCount - 1)
{
CreateItem(maxIndex);
}
}
private void AddItemIntoPanel(int index)
{
for (int i = 0; i < _itemList.Count; i++)
{
UIScrollIndex item = _itemList[i];
if (item.Index >= index)
{
item.Index += 1;
}
}
CreateItem(index);
}
public UIScrollIndex AddItem(MsgChat msg)
{
UIScrollIndex item = CreateItem(mesNum);
_content.GetComponent <RectTransform>().anchoredPosition = GetContentPos();
_content.GetComponent <RectTransform>().sizeDelta = GetContentSize();
item.mesIndex.text = mesNum.ToString();
item.mesText.text = DateTime.Now.ToLongTimeString().ToString() + msg.userName + ":" + msg.chatMessage;
_mesText.Add(item.mesText.text);
mesNum++;
return(item);
}
public void OnValueChange(Vector2 pos)
{
int index = GetPosIndex();
if (_index != index && index > -1)
{
_index = index;
for (int i = _itemList.Count; i > 0; i--)
{
UIScrollIndex item = _itemList[i - 1];
if (item.Index < index || (item.Index >= index + viewCount))
{
//GameObject.Destroy(item.gameObject);
_itemList.Remove(item);
_unUsedQueue.Enqueue(item);
}
}
for (int i = _index; i < _index + viewCount; i++)
{
if (i < 0)
{
continue;
}
// if (i > _dataCount - 1) continue;//超过100条
if (i > mesNum - 1)
{
continue;
}
bool isOk = false;
foreach (UIScrollIndex item in _itemList)
{
if (item.Index == i)
{
isOk = true;
}
}
if (isOk)
{
continue;
}
UIScrollIndex itemBase = CreateItem(i);
itemBase.mesText.text = _mesText[i];
}
}
}
