public void Reset()
{
var children = new List <UIElement>(Children);
foreach (var child in children)
{
Remove(child);
}
LastSelected = null;
}
public void Select(Point at)
{
var item = (int)(at.X + Scroll) / ItemWidth;
if (item >= LengthProvider())
{
return;
}
var rItem = GetOrPrepare(item);
if (rItem != null)
{
LastSelected?.Deselected();
rItem.Selected();
LastSelected = rItem;
}
}
public UITSContainer GetOrPrepare(int id)
{
var item = Children.Where(x => (x as UITSContainer)?.ItemID == id).FirstOrDefault() as UITSContainer;
if (item == null)
{
item = ElemProvider(id);
item.Visible = false;
item.ItemID = id;
if (id == LastSelected?.ItemID)
{
item.Selected();
LastSelected = item;
}
Add(item);
}
return(item);
}