protected CellHandler GetUnUseCell()
{
for (int i = 0; i < m_CellHandlerList.Count; ++i)
{
if (m_CellHandlerList[i].dataIndex < 0)
{
return(m_CellHandlerList[i]);
}
}
CellHandler handler = new CellHandler(GameObject.Instantiate(itemPrefab, content, false) as GameObject);
m_CellHandlerList.Add(handler);
return(handler);
}
protected void RefreshListView()
{
// set the content size
Vector2 size = GetContentSize();
RectTransform contentRectTransform = content.transform as RectTransform;
AdjustViewportSize(size);
contentRectTransform.sizeDelta = size;
// set the item postion and data
int startIndex = GetStartIndex();
if (startIndex < 0)
{
startIndex = 0;
}
int showItemNum = GetCurrentShowItemNum();
ResetUnUsedCell(startIndex, startIndex + showItemNum);
for (int i = 0; i < showItemNum; ++i)
{
int dataIndex = startIndex + i;
if (dataIndex >= lstCount)
{
break;
}
//Opt
if (dataIndex >= m_PreDataIndexMin && dataIndex <= m_PreDataIndexMax)
{
continue;
}
///////////////
CellHandler cell = GetUnUseCell();
cell.dataIndex = dataIndex;
cell.UpdatePosition(GetItemAnchorPos(dataIndex));
///////////////
/*
* GameObject go = GetItemGameObject(content, i);
* if (false == go.activeSelf)
* {
* go.SetActive(true);
* }
* RectTransform trans = go.transform as RectTransform;
* trans.pivot = trans.anchorMin = trans.anchorMax = new Vector2(0.5f, 0.5f);
* trans.anchoredPosition = GetItemAnchorPos(dataIndex);
* trans.localScale = Vector3.one;
*/
if (m_CellRenderer != null)
{
m_CellRenderer(cell.root, dataIndex);
}
}
m_PreDataIndexMin = startIndex;
m_PreDataIndexMax = startIndex + showItemNum - 1;
UpdateCellActivityState();
// dont show the extra items shown before
//HideNonuseableItems ();
// set the progress:
int dataCount = GetDataCount();
dataCount -= (GetMaxShowItemNum() - 2);
if (dataCount < 1)
{
dataCount = 1;
}
float progress = (startIndex + 1) / (float)dataCount;
progress = Mathf.Clamp01(progress);
OnProgress(progress);
}