6f5459f70f
git-subtree-dir: yesod-form git-subtree-mainline:41faf62094git-subtree-split:53b7c3b810
78 lines
3.3 KiB
Haskell
78 lines
3.3 KiB
Haskell
{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE TypeSynonymInstances #-}
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{-# LANGUAGE FlexibleContexts #-}
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module Yesod.Form.Class
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( ToForm (..)
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, ToField (..)
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) where
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import Text.Hamlet
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import Yesod.Widget (GGWidget)
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import Yesod.Form.Fields
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import Yesod.Form.Types
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import Yesod.Form.Functions (areq, aopt)
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import Data.Int (Int64)
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import Data.Time (Day, TimeOfDay)
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import Data.Text (Text)
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import Yesod.Handler (GGHandler)
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import Yesod.Message (RenderMessage)
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class ToForm a master monad where
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toForm :: AForm ([FieldView (GGWidget master monad ())] -> [FieldView (GGWidget master monad ())]) master monad a
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class ToField a master monad where
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toField :: RenderMessage master msg => FieldSettings msg -> Maybe a -> AForm ([FieldView (GGWidget master monad ())] -> [FieldView (GGWidget master monad ())]) master monad a
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{- FIXME
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instance ToFormField String y where
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toFormField = stringField
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instance ToFormField (Maybe String) y where
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toFormField = maybeStringField
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-}
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instance (Monad m, RenderMessage master FormMessage) => ToField Text master (GGHandler sub master m) where
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toField = areq textField
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instance (Monad m, RenderMessage master FormMessage) => ToField (Maybe Text) master (GGHandler sub master m) where
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toField = aopt textField
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instance (Monad m, RenderMessage master FormMessage) => ToField Int master (GGHandler sub master m) where
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toField = areq intField
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instance (Monad m, RenderMessage master FormMessage) => ToField (Maybe Int) master (GGHandler sub master m) where
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toField = aopt intField
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instance (Monad m, RenderMessage master FormMessage) => ToField Int64 master (GGHandler sub master m) where
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toField = areq intField
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instance (Monad m, RenderMessage master FormMessage) => ToField (Maybe Int64) master (GGHandler sub master m) where
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toField = aopt intField
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instance (Monad m, RenderMessage master FormMessage) => ToField Double master (GGHandler sub master m) where
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toField = areq doubleField
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instance (Monad m, RenderMessage master FormMessage) => ToField (Maybe Double) master (GGHandler sub master m) where
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toField = aopt doubleField
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instance (Monad m, RenderMessage master FormMessage) => ToField Day master (GGHandler sub master m) where
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toField = areq dayField
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instance (Monad m, RenderMessage master FormMessage) => ToField (Maybe Day) master (GGHandler sub master m) where
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toField = aopt dayField
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instance (Monad m, RenderMessage master FormMessage) => ToField TimeOfDay master (GGHandler sub master m) where
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toField = areq timeField
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instance (Monad m, RenderMessage master FormMessage) => ToField (Maybe TimeOfDay) master (GGHandler sub master m) where
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toField = aopt timeField
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instance (Monad m, RenderMessage master FormMessage) => ToField Html master (GGHandler sub master m) where
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toField = areq htmlField
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instance (Monad m, RenderMessage master FormMessage) => ToField (Maybe Html) master (GGHandler sub master m) where
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toField = aopt htmlField
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instance (Monad m, RenderMessage master FormMessage) => ToField Textarea master (GGHandler sub master m) where
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toField = areq textareaField
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instance (Monad m, RenderMessage master FormMessage) => ToField (Maybe Textarea) master (GGHandler sub master m) where
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toField = aopt textareaField
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{- FIXME
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instance ToFormField Bool y where
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toFormField = boolField
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-}
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