private HierarchicalLibraryItem CreateDirectoryBranchNodesRecursively(Directory directory, IDictionary <Directory, HierarchicalLibraryItem> directoryLookup)
{
HierarchicalLibraryItem result = null;
if (directory.Parent == null)
{
if (directoryLookup.TryGetValue(directory, out var item))
{
return(item);
}
result = new HierarchicalLibraryItem(directory, DirectoryTreeController);
DirectoryTree.Add(result);
}
else if (directoryLookup.ContainsKey(directory.Parent))
{
result = new HierarchicalLibraryItem(directory, directoryLookup[directory.Parent]);
}
else
{
result = new HierarchicalLibraryItem(directory, CreateDirectoryBranchNodesRecursively(directory.Parent, directoryLookup));
}
directoryLookup[directory] = result;
return(result);
}
private void PopulateGenreTree()
{
GenreTreeController.Clear();
GenreTree.Clear();
foreach (Genre genre in m_DataModel.Database.Genres.Values)
{
HierarchicalLibraryItem genreNode = new HierarchicalLibraryItem(genre, GenreTreeController);
GenreTree.Add(genreNode);
foreach (LibraryItem album in m_DataModel.Database.Expand(genre))
{
HierarchicalLibraryItem albumNode = new HierarchicalLibraryItem(album, genreNode);
foreach (LibraryItem song in m_DataModel.Database.Expand(album))
{
new HierarchicalLibraryItem(song, albumNode);
}
}
}
GenreTreeController.ResetNodeIds();
}
private void PopulateArtistTree()
{
ArtistTreeController.Clear();
ArtistTree.Clear();
foreach (Artist artist in m_DataModel.Database.Artists.Values)
{
HierarchicalLibraryItem artistNode = new HierarchicalLibraryItem(artist, ArtistTreeController);
ArtistTree.Add(artistNode);
foreach (LibraryItem album in m_DataModel.Database.Expand(artist))
{
HierarchicalLibraryItem albumNode = new HierarchicalLibraryItem(album, artistNode);
foreach (LibraryItem song in m_DataModel.Database.Expand(album))
{
new HierarchicalLibraryItem(song, albumNode);
}
}
}
ArtistTreeController.ResetNodeIds();
}
