public TopicWrap(Topic topic)
{
this.Topic = topic;
foreach (var e in topic.Items)
{
var child = new TopicWrap(e);
Items.Add(child);
child.Parent = this;
}
}
public PublishViewModel(GlobalData globalData)
{
Levels = new ObservableCollection<TopicLevel>();
this.GlobalData = globalData;
Root = new TopicWrap[] { new TopicWrap(globalData.TopicsRoot) };
UnassignedVideos = new ObservableCollection<VideoWrap>();
foreach (var e in GlobalData.VideoData.Where(z => z.TopicGuid == Guid.Empty))
UnassignedVideos.Add(new VideoWrap(e));
foreach(var e in Root[0].Subtree.OfType<TopicWrap>())
foreach (var v in GlobalData.VideoData.Where(z => z.TopicGuid == e.Topic.Guid).OrderBy(z => z.NumberInTopic))
{
var vw = new VideoWrap(v);
e.Items.Add(vw);
vw.Parent = e;
}
foreach (var level in globalData.TopicLevels)
Levels.Add(level);
AddCommand = new RelayCommand(Add, () => SelectedItem != null && SelectedItem is TopicWrap);
RemoveCommand = new RelayCommand(Remove, () => SelectedItem != null && SelectedItem != Root[0]);
DeleteCommand = new RelayCommand(DeleteFromList, () => SelectedItemInUnassignedList != null);
}
public void Commit(TopicWrap wrap)
{
wrap.Topic.Items.Clear();
foreach (var e in wrap.Items)
{
if (e is TopicWrap)
{
var tw = e as TopicWrap;
Commit(tw);
wrap.Topic.Items.Add(tw.Topic);
continue;
}
if (e is VideoWrap)
{
var vw = e as VideoWrap;
vw.Video.TopicGuid = wrap.Topic.Guid;
vw.Video.NumberInTopic = wrap.Items.IndexOf(vw);
}
}
}