public void AddBook(Book book)
{
_DataContext.Books.InsertOnSubmit(book);
_DataContext.SubmitChanges();
Books.Add(book);
}
public void DeleteBook(Book book)
{
Books.Remove(book);
_DataContext.Books.DeleteOnSubmit(book);
_DataContext.SubmitChanges();
}
public PlayerPageViewModel(Book book)
{
Book = book;
Bookmarks = new ObservableCollection<Bookmark>(Book.Bookmarks);
switch (Book.BookType)
{
case BookType.SystemPlaylist:
var m = new MediaLibrary();
var playlist = m.Playlists.SingleOrDefault(p => p.Name == Book.BookName);
if (playlist == null)
{
IsValid = false;
return;
}
Songs = new ObservableCollection<SongItem>(from s in playlist.Songs orderby s.TrackNumber select new SongItem { Song = s, SongName = s.Name });
break;
default:
break;
}
IsValid = true;
}
