public virtual void ScrollViewDidZoom(CCScrollView view)
{
}
public virtual void ScrollViewDidScroll(CCScrollView view)
{
var uCountOfItems = DataSource.NumberOfCellsInTableView(this);
if (uCountOfItems == 0)
{
return;
}
if (Delegate != null)
{
Delegate.ScrollViewDidScroll(this);
}
int startIdx = 0, endIdx = 0, idx = 0, maxIdx = 0;
CCPoint offset = ContentOffset * -1;
maxIdx = Math.Max(uCountOfItems - 1, 0);
if (vordering == CCTableViewVerticalFillOrder.FillTopDown)
{
offset.Y = offset.Y + ViewSize.Height / Container.ScaleY;
}
startIdx = IndexFromOffset(offset);
if (startIdx == CCArrayForObjectSorting.CC_INVALID_INDEX)
{
startIdx = uCountOfItems - 1;
}
if (vordering == CCTableViewVerticalFillOrder.FillTopDown)
{
offset.Y -= ViewSize.Height / Container.ScaleY;
}
else
{
offset.Y += ViewSize.Height / Container.ScaleY;
}
offset.X += ViewSize.Width / Container.ScaleX;
endIdx = IndexFromOffset(offset);
if (endIdx == CCArrayForObjectSorting.CC_INVALID_INDEX)
{
endIdx = uCountOfItems - 1;
}
#if DEBUG_ // For Testing.
int i = 0;
foreach (object pObj in cellsUsed)
{
var pCell = (CCTableViewCell)pObj;
CCLog.Log("cells Used index {0}, value = {1}", i, pCell.getIdx());
i++;
}
CCLog.Log("---------------------------------------");
i = 0;
foreach(object pObj in cellsFreed)
{
var pCell = (CCTableViewCell)pObj;
CCLog.Log("cells freed index {0}, value = {1}", i, pCell.getIdx());
i++;
}
CCLog.Log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
#endif
if (cellsUsed.Count > 0)
{
var cell = (CCTableViewCell) cellsUsed[0];
idx = cell.Index;
while (idx < startIdx)
{
MoveCellOutOfSight(cell);
if (cellsUsed.Count > 0)
{
cell = (CCTableViewCell) cellsUsed[0];
idx = cell.Index;
}
else
{
break;
}
}
}
if (cellsUsed.Count > 0)
{
var cell = (CCTableViewCell) cellsUsed[cellsUsed.Count - 1];
idx = cell.Index;
while (idx <= maxIdx && idx > endIdx)
{
MoveCellOutOfSight(cell);
if (cellsUsed.Count > 0)
{
cell = (CCTableViewCell) cellsUsed[cellsUsed.Count - 1];
idx = cell.Index;
}
else
{
break;
}
}
}
for (int i = startIdx; i <= endIdx; i++)
{
if (indices.Contains(i))
{
continue;
}
UpdateCellAtIndex(i);
}
}