public CenteredAlbumViewModel(IList<IAlbum> iAlbums, IMusicSession isession)
{
Albums = iAlbums;
AlbumDistanceComparerFactory adcf = new AlbumDistanceComparerFactory(isession);
_OrderByAfinity = new AfinityCollection<IAlbum>(this.Albums, al => adcf.GetComparer(al), 50);
AffinityOrderedCollection = _OrderByAfinity.Collection;
//CenterAlbum = Albums.MaxBy(isession.AlbumSorter.Sorter);
_OrderByAfinity.Reference = Albums.MaxBy(isession.AlbumSorter.Sorter);
ChangeArtist = RelayCommand.Instanciate(DoChangeArtist);
ChangeGenre = RelayCommand.Instanciate(DoChangeGenre);
Random = RelayCommand.Instanciate(DoRandom);
ChangeAlbum = RelayCommand.Instanciate(DoChangeAlbum);
Center = RelayCommand.Instanciate<IAlbum>(al => CenterAlbum = al);
}
internal ArtistGrouped(IList<IAlbum> albums)
{
var Int = albums.LiveSelectManyTuple((a) => a.Artists);
var Int2 = Int.LiveToLookUp((t) => t.Item2, (t) => t.Item1);
_Coll = Int2.LiveOrderBy((a) => a.Key.Name).LiveSelect(el => new ComposedObservedCollection<IArtist, IAlbum>(el.Key, el.Collection));
_ToClean = Int;
_ToClean2 = Int2;
}
internal GenreGrouped(IList<IAlbum> albums)
{
var Int = albums.LiveToLookUp((al) => al.MainGenre);
_Coll = Int.LiveOrderBy((g) => g.Key.FullName).LiveSelect(el => new ComposedObservedCollection<IGenre, IAlbum>(el.Key, el.Collection));
_ToClean = Int;
}
public void SU()
{
_Collection = new ObservableCollection<MyObject>();
_Target = _Collection.LiveSelectMany(s => s.MyFriends);
_Expected = _Collection.SelectMany(s => s.MyFriends);
}
