git-annex/Utility/Yesod.hs
2014-04-25 12:26:33 +02:00

72 lines
1.6 KiB
Haskell

{- Yesod stuff, that's typically found in the scaffolded site.
-
- Also a bit of a compatability layer to make it easier to support yesod
- 1.1 and 1.2 in the same code base.
-
- Copyright 2012, 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE CPP, RankNTypes, FlexibleContexts #-}
module Utility.Yesod
( module Y
, liftH
#ifndef __NO_TH__
, widgetFile
, hamletTemplate
#endif
#if ! MIN_VERSION_yesod(1,2,0)
, giveUrlRenderer
, Html
#endif
) where
#if MIN_VERSION_yesod(1,2,0)
import Yesod as Y
#else
import Yesod as Y hiding (Html)
#endif
import Assistant.WebApp.Bootstrap3 as Y hiding (bfs)
#ifndef __NO_TH__
import Yesod.Default.Util
import Language.Haskell.TH.Syntax (Q, Exp)
#if MIN_VERSION_yesod_default(1,1,0)
import Data.Default (def)
import Text.Hamlet hiding (Html)
#endif
#endif
#ifndef __NO_TH__
widgetFile :: String -> Q Exp
#if ! MIN_VERSION_yesod_default(1,1,0)
widgetFile = widgetFileNoReload
#else
widgetFile = widgetFileNoReload $ def
{ wfsHamletSettings = defaultHamletSettings
{ hamletNewlines = AlwaysNewlines
}
}
#endif
hamletTemplate :: FilePath -> FilePath
hamletTemplate f = globFile "hamlet" f
#endif
{- Lift Handler to Widget -}
#if MIN_VERSION_yesod(1,2,0)
liftH :: Monad m => HandlerT site m a -> WidgetT site m a
liftH = handlerToWidget
#else
liftH :: MonadLift base m => base a -> m a
liftH = lift
#endif
{- Misc new names for stuff. -}
#if ! MIN_VERSION_yesod(1,2,0)
giveUrlRenderer :: forall master sub. HtmlUrl (Route master) -> GHandler sub master RepHtml
giveUrlRenderer = hamletToRepHtml
type Html = RepHtml
#endif