private void TreeView_Drop(object sender, DragEventArgs e)
{
UndertaleObject sourceItem = e.Data.GetData(e.Data.GetFormats()[e.Data.GetFormats().Length - 1]) as UndertaleObject;
TreeViewItem targetTreeItem = VisualUpwardSearch <TreeViewItem>(e.OriginalSource as UIElement);
UndertaleObject targetItem = targetTreeItem.DataContext as UndertaleObject;
e.Effects = e.AllowedEffects.HasFlag(DragDropEffects.Move) && sourceItem != null && targetItem != null && sourceItem != targetItem && sourceItem.GetType() == targetItem.GetType() ? DragDropEffects.Move : DragDropEffects.None;
if (e.Effects == DragDropEffects.Move)
{
object source = GetNearestParent <TreeViewItem>(targetTreeItem).ItemsSource;
IList list = ((source as ICollectionView)?.SourceCollection as IList) ?? (source as IList);
int sourceIndex = list.IndexOf(sourceItem);
int targetIndex = list.IndexOf(targetItem);
Debug.Assert(sourceIndex >= 0 && targetIndex >= 0);
list[sourceIndex] = targetItem;
list[targetIndex] = sourceItem;
}
e.Handled = true;
}
private void TextBox_Drop(object sender, DragEventArgs e)
{
UndertaleObject sourceItem = e.Data.GetData(e.Data.GetFormats()[0]) as UndertaleObject;
e.Effects = GroupID == 0 && e.AllowedEffects.HasFlag(DragDropEffects.Link) && sourceItem != null && sourceItem.GetType() == typeof(UndertaleEmbeddedAudio) ? DragDropEffects.Link : DragDropEffects.None;
if (e.Effects == DragDropEffects.Link)
{
AudioReference = (UndertaleEmbeddedAudio)sourceItem;
}
e.Handled = true;
}
private void TreeView_DragOver(object sender, DragEventArgs e)
{
UndertaleObject sourceItem = e.Data.GetData(e.Data.GetFormats()[e.Data.GetFormats().Length - 1]) as UndertaleObject; // TODO: make this more reliable
foreach (var s in e.Data.GetFormats())
{
Debug.WriteLine(s);
}
TreeViewItem targetTreeItem = VisualUpwardSearch <TreeViewItem>(e.OriginalSource as UIElement);
UndertaleObject targetItem = targetTreeItem.DataContext as UndertaleObject;
e.Effects = e.AllowedEffects.HasFlag(DragDropEffects.Move) && sourceItem != null && targetItem != null && sourceItem != targetItem && sourceItem.GetType() == targetItem.GetType() ? DragDropEffects.Move : DragDropEffects.None;
e.Handled = true;
}
private void TextBox_Drop(object sender, DragEventArgs e)
{
UndertaleObject sourceItem = e.Data.GetData(e.Data.GetFormats()[0]) as UndertaleObject;
e.Effects = e.AllowedEffects.HasFlag(DragDropEffects.Link) && sourceItem != null && sourceItem.GetType() == ObjectType ? DragDropEffects.Link : DragDropEffects.None;
if (e.Effects == DragDropEffects.Link)
{
ObjectReference = sourceItem;
}
e.Handled = true;
}
