public void Drop(IDropInfo dropInfo)
{
if (dropInfo.Data is ServerViewModel serverViewModel)
{
networkViewModel.AddServer(serverViewModel, dropInfo.InsertIndex);
}
if (dropInfo.Data is NetworkServer)
{
dropHandler.Drop(dropInfo);
}
}
void IDropTarget.Drop(DropInfo drop_info)
{
log.Trace("Drop");
default_drop_handler.Drop(drop_info);
if (drop_info.Data is Post)
{
var posts_view = CollectionViewSource.GetDefaultView(Posts);
posts_view.MoveCurrentTo(drop_info.Data);
}
}
void IDropTarget.Drop(IDropInfo dropInfo)
{
if (!(DataContext is LibraryVM libraryVM))
{
Log.Error("DataContext of SongsGrid is not LibraryVM in Songs_OnDrop, but is {type}", DataContext?.GetType());
return;
}
if (!(Songs.ItemsSource is ListCollectionView view))
{
Log.Error("ItemSource of the SongsGrid is not a ListCollectionView, but is a {itemsSource}", Songs.ItemsSource?.GetType());
return;
}
DefaultDropHandler handler = new DefaultDropHandler();
handler.Drop(dropInfo);
libraryVM.ResetSongsInCurrentPlaylist(view.SourceCollection.Cast <SongItem>().Select(x => x.Id));
}
private static void OnPreviewDrop(object sender, DragEventArgs e)
{
var dropInfo = new DropInfo(sender, e, _dragInfo, Format.Name);
var dropHandler = GetDropHandler((UIElement)sender);
DragAdorner = null;
DropTargetAdorner = null;
if (dropHandler != null)
{
dropHandler.Drop(dropInfo);
}
else
{
DefaultDropHandler.Drop(dropInfo);
}
e.Handled = true;
}
void IDropTarget.Drop(DropInfo drop_info)
{
if (drop_info.TargetItem == null)
{
log.Trace("Dropping on " + drop_info.TargetCollection.ToString());
}
else
{
if (drop_info.TargetItem is Account)
{
log.Trace("Dropping on " + (drop_info.TargetItem as Account).Name);
}
else
{
log.Trace("Dropping on " + (drop_info.TargetItem as Post).Text);
}
}
default_drop_handler.Drop(drop_info);
if (drop_info.Data is Account)
{
var accounts_view = CollectionViewSource.GetDefaultView(Accounts);
accounts_view.MoveCurrentTo(drop_info.Data);
}
else if (drop_info.Data is Post)
{
var accounts_view = CollectionViewSource.GetDefaultView(Accounts);
Account current_account = accounts_view.CurrentItem as Account;
if (current_account == null)
{
return;
}
// Get selected post
var posts_view = CollectionViewSource.GetDefaultView(current_account.Posts);
posts_view.MoveCurrentTo(drop_info.Data);
}
}
