public void EnsureFormsTemplate(DataTemplate template, PositionInfo positionInfo)
{
if (ViewCell?.View == null)
{
var templateContent = template.CreateContent();
if (templateContent is VirtualViewCell vc)
{
ViewCell = vc;
}
else
{
VirtualViewCell.ThrowInvalidDataTemplateException();
}
}
ViewCell.Update(positionInfo);
ViewCell.BindingContext = positionInfo.BindingContext;
if (containerView == null)
{
containerView = new UIContainerView(ViewCell.View)
{
Frame = ContentView.Frame,
AutoresizingMask = UIViewAutoresizing.FlexibleHeight | UIViewAutoresizing.FlexibleWidth
};
ContentView.AddSubview(containerView);
}
}
public override RecyclerView.ViewHolder OnCreateViewHolder(ViewGroup parent, int viewType)
{
var template = templates.ElementAtOrDefault(viewType);
var templateContent = template.CreateContent();
if (templateContent is VirtualViewCell viewCell)
{
var viewHolder = new RvItemHolder(viewCell, CreateViewContainer(parent.Context, viewCell.View));
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);
var selected = !rvh.ViewCell.IsSelected;
rvh.ViewCell.IsSelected = selected;
if (selected)
{
Element.SetSelected(p);
}
else
{
Element.SetDeselected(p);
}
});
viewHolder.ItemView.SetOnClickListener(clickListener);
return(viewHolder);
}
VirtualViewCell.ThrowInvalidDataTemplateException();
return(null);
}
public RvItemHolder(VirtualViewCell viewCell, View itemView)
: base(itemView)
{
ViewCell = viewCell;
}
public UwpListViewItem(VirtualViewCell viewCell)
{
ViewCell = viewCell;
DefaultStyleKey = typeof(UwpListViewItem);
}
