public override int CompareTo(object o)
{
if (o is GenreFilteredAlbum)
{
GenreFilteredAlbum rhs = o as GenreFilteredAlbum;
int result = Genre.CompareTo(rhs.Genre);
if (result == 0)
{
result = Artist.CompareTo(rhs.Artist);
if (result == 0)
{
result = StringComparer.Ordinal.Compare(Title, rhs.Title);
}
}
return(result);
}
else
{
throw new Exception("GenreFilteredAlbum: attempt to compare to an incompatible object");
}
}
private GenreFilteredAlbum GetOrCreateGenreFilteredAlbum(Album album, MPDSongResponseBlock block)
{
Genre genre = Genres[block.Genre ?? UnknownGenre];
if (!m_GenreFilteredAlbumLookup.ContainsKey(genre))
{
m_GenreFilteredAlbumLookup[genre] = new SortedDictionary<Album, GenreFilteredAlbum>();
}
IDictionary<Album, GenreFilteredAlbum> albumList = m_GenreFilteredAlbumLookup[genre];
if (!albumList.ContainsKey(album))
{
string directory = new Path(block.File).Directories.Last();
GenreFilteredAlbum genreFilteredAlbum = new GenreFilteredAlbum(genre, album.Artist, album.Title, album.Date, directory);
m_GenreFilteredAlbumLookup[genre][album] = genreFilteredAlbum;
AddGenreExpansion(genre, genreFilteredAlbum);
}
return m_GenreFilteredAlbumLookup[genre][album];
}
private void AddGenreFilteredAlbumExpansion(GenreFilteredAlbum parent, Song child)
{
if (!m_GenreFilteredAlbumExpansion.ContainsKey(parent))
{
m_GenreFilteredAlbumExpansion[parent] = new SortedSet<Song>();
}
m_GenreFilteredAlbumExpansion[parent].Add(child);
}
private void AddGenreExpansion(Genre parent, GenreFilteredAlbum child)
{
if (!m_GenreExpansion.ContainsKey(parent))
{
m_GenreExpansion[parent] = new SortedSet<GenreFilteredAlbum>(m_GenreFilteredAlbumSortRule);
}
m_GenreExpansion[parent].Add(child);
}