public override void Refresh()
{
int count = activeCells.Count;
for (int i = 0; i < count; i++)
{
var cell = activeCells[i];
RefreshCell(cell.dataIndex, cell.objIndex);
var size = direction == FTDirection.Vertical ? cell.Height + spacing : cell.Width + spacing;
for (int j = i + 1; j < count; j++)
{
if (direction == FTDirection.Vertical)
{
activeCells[j].AnchoredPosition = new Vector2(activeCells[j].AnchoredPosition.x, activeCells[j].AnchoredPosition.y - size);
}
else
{
activeCells[j].AnchoredPosition = new Vector2(activeCells[j].AnchoredPosition.x - size, activeCells[j].AnchoredPosition.y);
}
}
if (direction == FTDirection.Vertical)
{
ContentTrans.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, ContentTrans.sizeDelta.y + size);
}
else
{
ContentTrans.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, ContentTrans.sizeDelta.x + size);
}
}
}
bool TryAddBottom()
{
var downCell = activeCells[activeCells.Count - 1];
var downIndex = downCell.dataIndex;
if (downIndex + 1 == cellCount)
{
return(false);
}
var cell = GetCell();
cell.dataIndex = downIndex + 1;
RefreshCell(cell.dataIndex, cell.objIndex);
Vector2 pos;
if (direction == FTDirection.Vertical)
{
var d1 = downCell.AnchoredPosition.y;
var d2 = downCell.Height + spacing;
pos = new Vector2(0.0f, d1 - d2);
cell.CachedRectTransform.anchoredPosition = pos;
var d3 = cell.Height + spacing;
if (ContentTrans.sizeDelta.y <= -cell.AnchoredPosition.y + d3 * 0.5f)
{
ContentTrans.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, ContentTrans.sizeDelta.y + d3);
}
}
else
{
var d1 = downCell.AnchoredPosition.x;
var d2 = downCell.Width + spacing;
pos = new Vector2(d1 - d2, 0.0f);
cell.CachedRectTransform.anchoredPosition = pos;
var d3 = cell.Width + spacing;
if (ContentTrans.sizeDelta.x <= -cell.AnchoredPosition.x + d3 * 0.5f)
{
ContentTrans.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, ContentTrans.sizeDelta.x + d3);
}
}
activeCells.Add(cell);
cell.gameObject.SetActive(true);
return(true);
}
void TryStartAdd()
{
if (cellCount == 0)
{
return;
}
var cell = GetCell();
cell.dataIndex = 0;
RefreshCell(cell.dataIndex, cell.objIndex);
cell.CachedRectTransform.anchoredPosition = Vector2.zero;
if (direction == FTDirection.Vertical)
{
ContentTrans.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, ContentTrans.sizeDelta.y + cell.Height + spacing);
}
else
{
ContentTrans.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, ContentTrans.sizeDelta.x + cell.Width + spacing);
}
activeCells.Add(cell);
cell.gameObject.SetActive(true);
}
