public void addMemento(PlaylistMemento memento, Playlist playlist)
{
if (!playlists.Contains(playlist))
{
playlists.Add(playlist);
mementos.Add(new List <PlaylistMemento>());
mementos[mementos.Count - 1].Add(memento);
}
else
{
if (mementos[playlists.IndexOf(playlist)].Count == 0)
{
mementos.Add(new List <PlaylistMemento>());
}
mementos[playlists.IndexOf(playlist)].Add(memento);
}
}
public void setMemento(PlaylistMemento memento)
{
this.PlaylistName = memento.name;
this.SongList = memento.songs;
}