Beispiel #1
0
        private void PopulateGenreTree()
        {
            GenreTreeController.ClearMultiSelection();
            GenreTree.Clear();

            foreach (string genre in m_DataModel.Database.Genres)
            {
                GenreTreeViewNode genreNode = new GenreTreeViewNode(genre, null, GenreTreeController);

                foreach (AlbumMetadata album in m_DataModel.Database.AlbumsByGenre(genre))
                {
                    AlbumMetadataTreeViewNode albumNode = new AlbumMetadataTreeViewNode(album, genreNode, GenreTreeController);
                    genreNode.AddChild(albumNode);

                    foreach (SongMetadata song in m_DataModel.Database.SongsByAlbum(album))
                    {
                        if (song.Genre == genre)
                        {
                            SongMetadataTreeViewNode songNode = new SongMetadataTreeViewNode("", song, albumNode, GenreTreeController);
                            albumNode.AddChild(songNode);
                        }
                    }
                }

                GenreTree.Add(genreNode);
            }

            int id = 0;

            foreach (TreeViewNode baseNode in GenreTree)
            {
                id = AssignTreeViewNodeIDs(baseNode, id);
            }
        }
Beispiel #2
0
        public void ShowSongsInGenreTree(IEnumerable <SongMetadata> selectedSongs)
        {
            ISet <string>        selectedGenres    = new SortedSet <string>();
            ISet <AlbumMetadata> selectedAlbums    = new SortedSet <AlbumMetadata>();
            ISet <string>        selectedSongPaths = new SortedSet <string>(StringComparer.Ordinal);

            foreach (SongMetadata song in selectedSongs)
            {
                if (song.IsLocal)
                {
                    selectedGenres.Add(song.Genre);
                    selectedAlbums.Add(new AlbumMetadata(song.Artist, song.Album, null));
                    selectedSongPaths.Add(song.Path);
                }
            }

            GenreTreeController.ClearMultiSelection();

            foreach (TreeViewNode rootNode in GenreTreeController.RootLevelNodes)
            {
                GenreTreeViewNode genreNode = rootNode as GenreTreeViewNode;
                genreNode.IsExpanded = false;

                if (selectedGenres.Contains(genreNode.Genre))
                {
                    genreNode.IsExpanded = true;

                    foreach (TreeViewNode midNode in genreNode.Children)
                    {
                        AlbumMetadataTreeViewNode albumNode = midNode as AlbumMetadataTreeViewNode;
                        albumNode.IsExpanded = false;

                        if (selectedAlbums.Contains(albumNode.Album))
                        {
                            albumNode.IsExpanded = true;

                            foreach (TreeViewNode leafNode in albumNode.Children)
                            {
                                SongMetadataTreeViewNode songNode = leafNode as SongMetadataTreeViewNode;

                                if (selectedSongPaths.Contains(songNode.Song.Path))
                                {
                                    songNode.IsMultiSelected = true;
                                }
                            }
                        }
                    }
                }
            }
        }