public void MoveToTree(Wrap what, Wrap anchor, MoveDestination dst)
{
var resp = GetWhereAndBeforeOf(what, anchor, dst);
Wrap where = resp.Item1;
Wrap beforeOf = resp.Item2;
if (where == null)
{
return;
}
if (!CheckMoveConsistancy(what, where))
{
return;
}
if (what.Parent != null)
{
Remove(what);
}
if (UnassignedVideos.Contains(what))
{
UnassignedVideos.Remove(what as VideoWrap);
}
Insert(what, where, beforeOf);
}
void Delete(Wrap wrap)
{
foreach (var e in wrap.Subtree.OfType <VideoWrap>())
{
UnassignedVideos.Add(e);
}
}
//public void Commit()
//{
// foreach (var e in GlobalData.VideoData)
// {
// e.TopicGuid = Guid.Empty;
// e.NumberInTopic = 0;
// }
// Commit(Root[0]);
// GlobalData.TopicLevels.Clear();
// foreach (var e in Levels)
// GlobalData.TopicLevels.Add(e);
//}
void DeleteFromList()
{
if (SelectedItemInUnassignedList != null)
{
//GlobalData.VideoData.Remove(SelectedItemInUnassignedList.Video);
UnassignedVideos.Remove(SelectedItemInUnassignedList);
}
}
void Remove()
{
if (SelectedItem is VideoWrap)
{
SelectedItem.Parent.Items.Remove(SelectedItem);
UnassignedVideos.Add(SelectedItem as VideoWrap);
}
else
{
Remove(SelectedItem);
}
}
