{-# LANGUAGE FlexibleContexts, FlexibleInstances
  , MultiParamTypeClasses, TemplateHaskell, UndecidableInstances #-}

module AlbumEditor where

import Graphics.UI.AF.WxFormAll
import Maybe

import AlbumDTD

$(derive [''Trackref_Attrs,''Trackref,''Albumref_Attrs,''Albumref,''Notes_,''Notes_Attrs,''Notes,''Track,''Player,''Personnel,''Catalogno_Format,''Catalogno,''Location,''Coverart_Attrs,''Coverart,''Recording,''Artist,''Title,''Album])

-- Should not be neccesary, but GHC 6.6 requires it. Remove when we stop support for GHC 6.6.
instance ECCreator Album

someAlbum :: Album
someAlbum = case createInstance of
              (Just a) -> a
              Nothing  -> error "AlbumEditor: Could not create the data type"

otherAlbum :: Album
otherAlbum = let i :: (GInstanceCreator a) => a
                 i = fromJust createInstance
             in Album (Title "The Gratefull Dead") i (Just $ Recording Nothing $ Just "Birmingham") i i i i
                    (Notes i [Notes_Str "Foo"])

main :: IO ()
main = startWx "" $
       do button "Dialog" albumDialog
          postponeAction albumDialog   -- Just for the sake of creating screenshot

albumDialog = settingsDialog otherAlbum
                       -- (layoutAs dualColumn (finalDepth $ mkCom otherAlbum))
                       (Just (\val -> liftIO $ putStr $ "Settings: " ++ show val ++ "\n")) -- Nothing
                       (liftIO . print) -- (\_ -> return ())
                       (return ())