private static IEnumerable <char> getChars(FilterBar FilterBar, FilterType FilterType)
{
switch (FilterType)
{
case FilterType.Playlist:
return(from pl in Database.GetPlaylists(FilterBar.GetTracksWithoutFiltering(FilterType.Playlist, false))
group pl by Char.ToUpperInvariant(pl[0])
into g
select g.Key);
case FilterType.Artist:
return(from t in FilterBar.GetTracksWithoutFiltering(FilterType.Artist, false)
where t.MainGroupNoThe.Length > 0
group t by Char.ToUpperInvariant(t.MainGroupNoThe[0])
into g
select g.Key);
case FilterType.Album:
return(from t in FilterBar.GetTracksWithoutFiltering(FilterType.Album, false)
where t.Album.Length > 0
group t by Char.ToUpperInvariant(t.Album[0])
into g
select g.Key);
case FilterType.Genre:
return(from t in FilterBar.GetTracksWithoutFiltering(FilterType.Genre, false)
where t.Genre.Length > 0
group t by Char.ToUpperInvariant(t.Genre[0])
into g
select g.Key);
case FilterType.Year:
return(from t in FilterBar.GetTracksWithoutFiltering(FilterType.Year, false)
group t by t.DecadeChar
into g
select g.Key);
case FilterType.Grouping:
return(from t in FilterBar.GetTracksWithoutFiltering(FilterType.Grouping, false)
where t.Grouping.Length > 0
group t by Char.ToUpperInvariant(t.Grouping[0])
into g
select g.Key);
default:
return(new List <char>());
}
}
public void LoadFilterValues()
{
try
{
List <string> filterValues = null;
FilterType Type = filterBar.CurrentFilterType;
Track t = controller.UsersMostInterestingTrack;
string hint = String.Empty;
switch (Type)
{
case FilterType.Playlist:
filterValues = filterBar.GetPlaylistFilterValues();
break;
case FilterType.Album:
filterValues = Database.GetAlbums(filterBar.GetTracksWithoutFiltering(Type, true));
if (t != null)
{
hint = t.Album;
}
break;
case FilterType.Artist:
filterValues = Database.GetMainGroups(filterBar.GetTracksWithoutFiltering(Type, true));
if (t != null)
{
hint = t.MainGroup;
}
break;
case FilterType.Genre:
filterValues = Database.GetGenres(filterBar.GetTracksWithoutFiltering(Type, true));
if (t != null)
{
hint = t.Genre;
}
break;
case FilterType.Year:
filterValues = Database.GetYears(filterBar.GetTracksWithoutFiltering(Type, true));
if (t != null)
{
hint = t.YearString;
}
break;
case FilterType.Grouping:
filterValues = Database.GetGroupings(filterBar.GetTracksWithoutFiltering(Type, true));
if (t != null)
{
hint = t.Grouping;
}
break;
}
filterValueList.LoadFilterValues(Type, filterValues, filterBar.CurrentFilterIsActive ? filterBar.CurrentFilterValue : String.Empty, hint);
}
catch { }
}