/// <summary>
/// Clear the contents of the specified library
/// </summary>
/// <param name="libraryToClear"></param>
/// <returns></returns>
public static void ClearLibrary(Library libraryToClear)
{
int libId = libraryToClear.Id;
// Delete all the artists in the library and their associated ArtistAlbum entries
List <Artist> artists = Artists.ArtistCollection.Where(art => art.LibraryId == libId).ToList();
Artists.DeleteArtists(artists);
ArtistAlbums.DeleteArtistAlbums(
ArtistAlbums.ArtistAlbumCollection.Where(artAlb => artists.Any(art => art.Id == artAlb.ArtistId)).Distinct().ToList());
// Delete all the albums in the library and any tags associated with them
List <Album> albums = Albums.AlbumCollection.Where(alb => alb.LibraryId == libId).ToList();
Albums.DeleteAlbums(albums);
// We can use the FilterManagementController to carry out the Tag deletions.
new AlbumsDeletedMessage()
{
DeletedAlbumIds = albums.Select(alb => alb.Id).ToList()
}.Send();
// Delete all the user playlists and thier contents
Playlists.GetPlaylistsForLibrary(libId).ForEach(play => Playlists.DeletePlaylist(play));
// Delete the contents of the NowPlayingList but keep the playlist itself
Playlist nowPlaying = Playlists.GetNowPlayingPlaylist(libId);
nowPlaying.Clear();
nowPlaying.SongIndex = -1;
// Delete all the songs in each of the sources associated with the library
List <Source> sources = Sources.GetSourcesForLibrary(libId);
foreach (Source source in sources)
{
Songs.DeleteSongs(Songs.GetSourceSongs(source.Id));
source.Songs = null;
}
}
/// <summary>
/// Create the dialogue
/// </summary>
/// <param name="savedInstanceState"></param>
/// <returns></returns>
public override Dialog OnCreateDialog(Bundle savedInstanceState)
{
// Create the view here so that we can access the listview
View layout = LayoutInflater.FromContext(Context).Inflate(Resource.Layout.source_display_dialogue_layout, null);
// Create an adapter for the list view to display the main source details
// Keep a reference to the adapter so that we can refresh the data if a source is changed
ListView sourceView = layout.FindViewById <ListView>(Resource.Id.sourceList);
sourceAdapter = new SourceDisplayAdapter(Context, Sources.GetSourcesForLibrary(libraryToDisplay.Id), sourceView, this);
sourceView.Adapter = sourceAdapter;
// Add a header to the ListView
sourceView.AddHeaderView(LayoutInflater.FromContext(Context).Inflate(Resource.Layout.source_header_layout, null));
// Create the rest of the dialog
return(new AlertDialog.Builder(Activity)
.SetTitle(string.Format("Library {0}", libraryToDisplay.Name))
.SetView(layout)
.SetPositiveButton("Done", delegate { }).Create());
}