public static void MapSelectionMode(VirtualListViewHandler handler, IVirtualListView virtualListView)
{
if (handler?.NativeView != null)
{
handler.NativeView.AllowsSelection = virtualListView.SelectionMode != SelectionMode.None;
handler.NativeView.AllowsMultipleSelection = virtualListView.SelectionMode == SelectionMode.Multiple;
}
}
public static void MapSetDeselected(VirtualListViewHandler handler, IVirtualListView virtualListView, object parameter)
{
if (parameter is ItemPosition[] items)
{
handler?.collectionView?.ReloadItems(
items.Select(i => NSIndexPath.FromItemSection(i.ItemIndex, i.SectionIndex)).ToArray());
}
}
public static void MapOrientation(VirtualListViewHandler handler, IVirtualListView virtualListView)
{
handler.layoutManager.Orientation = virtualListView.Orientation switch
{
ListOrientation.Vertical => LinearLayoutManager.Vertical,
ListOrientation.Horizontal => LinearLayoutManager.Horizontal,
_ => LinearLayoutManager.Vertical
};
handler.adapter.NotifyDataSetChanged();
}
public static void MapOrientation(VirtualListViewHandler handler, IVirtualListView virtualListView)
{
handler.layout.ScrollDirection = virtualListView.Orientation switch
{
ListOrientation.Vertical => UICollectionViewScrollDirection.Vertical,
ListOrientation.Horizontal => UICollectionViewScrollDirection.Horizontal,
_ => UICollectionViewScrollDirection.Vertical
};
handler?.InvalidateData();
}
public static void MapViewSelector(VirtualListViewHandler handler, IVirtualListView virtualListView) => handler?.InvalidateData();
public static void MapAdapter(VirtualListViewHandler handler, IVirtualListView virtualListView) => handler?.InvalidateData();
public static void MapInvalidateData(VirtualListViewHandler handler, IVirtualListView virtualListView, object?parameter) => handler?.InvalidateData();
public CvDelegate(VirtualListViewHandler handler)
: base()
{
Handler = handler;
}
internal RvAdapter(Context context, VirtualListViewHandler handler, PositionalViewSelector positionalViewSelector)
{
Context = context;
this.handler = handler;
this.positionalViewSelector = positionalViewSelector;
}
public CvLayout(VirtualListViewHandler handler) : base()
{
Handler = handler;
isiOS11 = UIDevice.CurrentDevice.CheckSystemVersion(11, 0);
}
public CvDataSource(VirtualListViewHandler handler)
: base()
{
Handler = handler;
}
public static void MapSetDeselected(VirtualListViewHandler handler, IVirtualListView virtualListView, object?parameter)
{
handler.adapter.NotifyDataSetChanged();
}
public static void MapSelectionMode(VirtualListViewHandler handler, IVirtualListView virtualListView)
{
}
public static void MapHeader(VirtualListViewHandler handler, IVirtualListView virtualListView) => handler.InvalidateData();
