private void HandlePlaybackQueueCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (!PlaybackQueue.IsRootChanging)
{
if (e.Action == NotifyCollectionChangedAction.Remove)
{
oldIndex = e.OldStartingIndex;
}
else if (e.Action == NotifyCollectionChangedAction.Add)
{
int newIndex = e.NewStartingIndex;
PlaybackQueue.IsEndChanging = true;
rootModel.MoveSong(oldIndex, newIndex);
PlaybackQueue.IsEndChanging = false;
}
}
else
{
if (e.Action == NotifyCollectionChangedAction.Remove ||
e.Action == NotifyCollectionChangedAction.Replace)
{
foreach (PlayQueueEntryViewModel model in e.OldItems)
{
LookupDictionary.Remove(model.RowId);
}
}
if (e.Action == NotifyCollectionChangedAction.Add ||
e.Action == NotifyCollectionChangedAction.Replace)
{
foreach (PlayQueueEntryViewModel model in e.NewItems)
{
LookupDictionary.Add(model.RowId, model);
}
}
if (e.Action == NotifyCollectionChangedAction.Reset)
{
LookupDictionary.Clear();
}
PlayPausePlayer.RaiseExecuteChanged();
ShuffleRemaining.RaiseExecuteChanged();
NotifyPropertyChanged(Properties.IsEmpty);
}
int currentPosition = 1;
foreach (PlayQueueEntryViewModel model in PlaybackQueue)
{
model.TotalPosition = currentPosition;
currentPosition++;
}
NotifyPropertyChanged(Properties.NextTrack);
NotifyPropertyChanged(Properties.PrevTrack);
NotifyPropertyChanged(Properties.TracksLeft);
ClearPlayed.RaiseExecuteChanged();
ClearAll.RaiseExecuteChanged();
}
void HandleRootModelPropertyChanged(object sender, PropertyChangedEventArgs e)
{
switch (e.PropertyName)
{
case PlayQueueModel.Properties.IsActive:
NotifyPropertyChanged(Properties.IsActive);
break;
case PlayQueueModel.Properties.NowPlaying:
CurrentTrack = LibraryViewModel.Current.LookupSongById(rootModel.NowPlaying);
break;
case PlayQueueModel.Properties.NextTrack:
NotifyPropertyChanged(Properties.NextTrack);
SkipPlayer.RaiseExecuteChanged();
break;
case PlayQueueModel.Properties.PrevTrack:
NotifyPropertyChanged(Properties.PrevTrack);
PrevPlayer.RaiseExecuteChanged();
break;
case PlayQueueModel.Properties.IsPlaying:
NotifyPropertyChanged(Properties.IsPlaying);
break;
case PlayQueueModel.Properties.CurrentTime:
NotifyPropertyChanged(Properties.TimeLeft);
NotifyPropertyChanged(Properties.ElapsedTime);
NotifyPropertyChanged(Properties.PercentTime);
NotifyPropertyChanged(Properties.ProgressTime);
break;
case PlayQueueModel.Properties.FullTime:
NotifyPropertyChanged(Properties.TimeLeft);
NotifyPropertyChanged(Properties.TotalTicks);
NotifyPropertyChanged(Properties.TotalTime);
NotifyPropertyChanged(Properties.PercentTime);
NotifyPropertyChanged(Properties.ProgressTime);
break;
case PlayQueueModel.Properties.CurrentPlaybackQueueEntryId:
NotifyPropertyChanged(Properties.CurrentTrackRowId);
NotifyPropertyChanged(Properties.CurrentTrackPosition);
NotifyPropertyChanged(Properties.TracksLeft);
NotifyPropertyChanged(Properties.NextTrack);
NotifyPropertyChanged(Properties.PrevTrack);
ClearPlayed.RaiseExecuteChanged();
break;
}
}