81 lines
2.1 KiB
Haskell
81 lines
2.1 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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( {- FIXME 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, GWidget)
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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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{-
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class ToForm a where
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toForm :: AForm sub master a
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-}
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class ToField a master where
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toField :: (RenderMessage master msg, RenderMessage master FormMessage)
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=> FieldSettings msg -> Maybe a -> AForm sub master 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 ToField Text master where
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toField = areq textField
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instance ToField (Maybe Text) master where
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toField = aopt textField
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instance ToField Int master where
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toField = areq intField
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instance ToField (Maybe Int) master where
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toField = aopt intField
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instance ToField Int64 master where
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toField = areq intField
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instance ToField (Maybe Int64) master where
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toField = aopt intField
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instance ToField Double master where
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toField = areq doubleField
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instance ToField (Maybe Double) master where
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toField = aopt doubleField
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instance ToField Day master where
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toField = areq dayField
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instance ToField (Maybe Day) master where
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toField = aopt dayField
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instance ToField TimeOfDay master where
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toField = areq timeField
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instance ToField (Maybe TimeOfDay) master where
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toField = aopt timeField
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instance ToField Html master where
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toField = areq htmlField
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instance ToField (Maybe Html) master where
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toField = aopt htmlField
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instance ToField Textarea master where
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toField = areq textareaField
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instance ToField (Maybe Textarea) master 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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