public TrackViewModel()
{
_trackCollectionView.Source = MediaPropertiesLibrary.Audio.Library.Library.Songs;
TracksView.Filter += (item) => ((MediaPropertiesLibrary.Audio.Track)item).Name.ToLower().Contains(SearchText.ToLower());
TracksView.CustomSort = this;
TracksView.Refresh();
OnPropertyChanged(nameof(TracksView));
PlayAudioTrack = track => Dispatch("Multiple Track Selected For Play",
TracksView.Cast <TrackDefinition>(),
TracksView.Cast <TrackDefinition>().ToList().FindIndex(o => o == track));
OrderByTime = new UiCommand(o => OrderByAffectation(OrderBy.Time));
OrderByArtist = new UiCommand(o => OrderByAffectation(OrderBy.Artist));
OrderByAlbum = new UiCommand(o => OrderByAffectation(OrderBy.Album));
OrderByTrack = new UiCommand(o => OrderByAffectation(OrderBy.Track));
}
private void OrderByAffectation(OrderBy order)
{
_orderInversion = _orderBy == order ? !_orderInversion : _orderInversion;
_orderBy = order;
TracksView?.Refresh();
}