void HandleSelection(UICollectionView collectionView, NSIndexPath indexPath, bool selected)
{
var info = Handler?.PositionalViewSelector?.GetInfo(indexPath.Section, (int)indexPath.Item);
if ((info?.Kind ?? PositionKind.Header) == PositionKind.Item)
{
var itemPos = new ItemPosition(info.SectionIndex, info.ItemIndex);
if (selected)
{
Handler?.VirtualView?.SetSelected(itemPos);
}
else
{
Handler?.VirtualView?.SetDeselected(itemPos);
}
var cell = Handler?.GetCell(indexPath);
if (cell?.PositionInfo != null)
{
cell.PositionInfo.IsSelected = selected;
}
}
}
public override RecyclerView.ViewHolder OnCreateViewHolder(ViewGroup parent, int viewType)
{
var viewHolder = new RvItemHolder(handler.MauiContext);
clickListener = new RvViewHolderClickListener(viewHolder, rvh =>
{
if (rvh.PositionInfo == null || rvh.PositionInfo.Kind != PositionKind.Item)
{
return;
}
var p = new ItemPosition(rvh.PositionInfo.SectionIndex, rvh.PositionInfo.ItemIndex);
rvh.PositionInfo.IsSelected = !rvh.PositionInfo.IsSelected;
if (rvh.PositionInfo.IsSelected)
{
handler.VirtualView?.SetSelected(p);
}
else
{
handler.VirtualView?.SetDeselected(p);
}
});
viewHolder.ItemView.SetOnClickListener(clickListener);
return(viewHolder);
}
