public void DragOver(IDropInfo dropInfo)
{
if (dropInfo.Data is TreeViewItem)
{
return;
}
if (dropInfo.Data == dropInfo.TargetItem)
{
return;
}
var target = dropInfo.InsertIndex;
switch (dropInfo.Data)
{
case Character character:
if (!(dropInfo.TargetItem is Character))
{
return;
}
if (!ObservableCollectionExtensions.IsSamePosition(Characters, character, target).shouldMove)
{
return;
}
break;
case Scene scene:
if (!(dropInfo.TargetItem is Scene s))
{
return;
}
if (s.Tag != scene.Tag)
{
return; // This would just make life complicated
}
if (!ObservableCollectionExtensions.IsSamePosition(Scenes, scene, target).shouldMove)
{
return;
}
break;
case Variable variable:
if (!(dropInfo.TargetItem is Variable))
{
return;
}
if (!ObservableCollectionExtensions.IsSamePosition(Variables, variable, target).shouldMove)
{
return;
}
break;
default:
return;
}
dropInfo.DropTargetAdorner = DropTargetAdorners.Insert;
dropInfo.Effects = DragDropEffects.Move;
}
public void ToBindingList_throws_when_given_null_ObservableCollection()
{
Assert.Equal(
"source",
Assert.Throws <ArgumentNullException>(() => ObservableCollectionExtensions.ToBindingList <FakeEntity>(null)).ParamName);
}
public static BindingList <T> ToBindingList <T>(this IList <T> list) where T : class
{
return(ObservableCollectionExtensions.ToBindingList((ObservableCollection <T>)list));
}
