public void Drop(DragEventArgs e, TreeNavigationItem draggedTreeNavigationItem, TreeNavigationItem targetTreeNavigationItem)
{
IDropHandler activeDropHandler = null;
if (draggedTreeNavigationItem == null || targetTreeNavigationItem == null)
{
return;
}
if (draggedTreeNavigationItem.Id.Equals(targetTreeNavigationItem.Id))
{
return;
}
foreach (IDropHandler dropHandler in _dropHandlers)
{
if (dropHandler.IsActive(draggedTreeNavigationItem, targetTreeNavigationItem))
{
activeDropHandler = dropHandler;
break;
}
}
if (activeDropHandler != null)
{
activeDropHandler.Drop(draggedTreeNavigationItem, targetTreeNavigationItem);
}
}
public static int OnDrop(IntPtr l)
{
int result;
try
{
IDropHandler dropHandler = (IDropHandler)LuaObject.checkSelf(l);
PointerEventData eventData;
LuaObject.checkType <PointerEventData>(l, 2, out eventData);
dropHandler.OnDrop(eventData);
LuaObject.pushValue(l, true);
result = 1;
}
catch (Exception e)
{
result = LuaObject.error(l, e);
}
return(result);
}
private static void Execute(IDropHandler handler, BaseEventData eventData)
{
handler.OnDrop(ValidateEventData <PointerEventData>(eventData));
}
public static void SetDragHandler(DependencyObject obj, IDropHandler value)
{
obj.SetValue(DragHandlerProperty, value);
}
public void Add(IDropHandler handler)
{
Contract.Requires(handler != null);
_handlers.Add(handler.Format, handler);
}
public static void SetDropHandler(DependencyObject obj, IDropHandler value)
{
obj.SetValue(DragDropHelper.DropHandlerProperty, (object) value);
}