{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE CPP #-}
module Yesod.Form.Fields
( -- * i18n
FormMessage (..)
, defaultFormMessage
-- * Fields
, textField
, passwordField
, textareaField
, hiddenField
, intField
, dayField
, timeField
, htmlField
, emailField
, searchField
, AutoFocus
, urlField
, doubleField
, parseDate
, parseTime
, Textarea (..)
, boolField
, checkBoxField
, fileField
-- * File 'AForm's
, fileAFormReq
, fileAFormOpt
-- * Options
, selectField
, selectFieldList
, radioField
, radioFieldList
, multiSelectField
, multiSelectFieldList
, Option (..)
, OptionList (..)
, mkOptionList
, optionsPersist
, optionsPairs
, optionsEnum
) where
import Yesod.Form.Types
import Yesod.Form.I18n.English
import Yesod.Form.Functions (parseHelper)
import Yesod.Handler (getMessageRender)
import Yesod.Widget (toWidget, whamlet, GWidget)
import Yesod.Message (RenderMessage (renderMessage), SomeMessage (..))
import Text.Hamlet
import Text.Blaze (ToMarkup (toMarkup), preEscapedToMarkup, unsafeByteString)
#define ToHtml ToMarkup
#define toHtml toMarkup
#define preEscapedText preEscapedToMarkup
import Text.Cassius
import Data.Time (Day, TimeOfDay(..))
import qualified Text.Email.Validate as Email
import Network.URI (parseURI)
import Database.Persist (PersistField)
import Database.Persist.Store (Entity (..))
import Text.HTML.SanitizeXSS (sanitizeBalance)
import Control.Monad (when, unless)
import Data.Maybe (listToMaybe, fromMaybe)
import qualified Blaze.ByteString.Builder.Html.Utf8 as B
import Blaze.ByteString.Builder (writeByteString, toLazyByteString)
import Blaze.ByteString.Builder.Internal.Write (fromWriteList)
import Database.Persist.Store (PersistEntityBackend)
#if MIN_VERSION_persistent(1, 1, 0)
import Database.Persist.Store (PersistMonadBackend)
#endif
import Text.Blaze.Html.Renderer.String (renderHtml)
import qualified Data.ByteString as S
import qualified Data.ByteString.Lazy as L
import Data.Text (Text, unpack, pack)
import qualified Data.Text.Read
import qualified Data.Map as Map
import Yesod.Handler (newIdent, lift)
import Yesod.Request (FileInfo)
import Yesod.Core (toPathPiece, GHandler, PathPiece, fromPathPiece)
import Yesod.Persist (selectList, runDB, Filter, SelectOpt, YesodPersistBackend, Key, YesodPersist, PersistEntity, PersistQuery)
import Control.Arrow ((&&&))
import Control.Applicative ((<$>), (<|>))
import Data.Attoparsec.Text (Parser, char, string, digit, skipSpace, endOfInput, parseOnly)
defaultFormMessage :: FormMessage -> Text
defaultFormMessage = englishFormMessage
intField :: (Integral i, RenderMessage master FormMessage) => Field sub master i
intField = Field
{ fieldParse = parseHelper $ \s ->
case Data.Text.Read.signed Data.Text.Read.decimal s of
Right (a, "") -> Right a
_ -> Left $ MsgInvalidInteger s
, fieldView = \theId name attrs val isReq -> toWidget [hamlet|
$newline never
|]
, fieldEnctype = UrlEncoded
}
where
showVal = either id (pack . showI)
showI x = show (fromIntegral x :: Integer)
doubleField :: RenderMessage master FormMessage => Field sub master Double
doubleField = Field
{ fieldParse = parseHelper $ \s ->
case Data.Text.Read.double s of
Right (a, "") -> Right a
_ -> Left $ MsgInvalidNumber s
, fieldView = \theId name attrs val isReq -> toWidget [hamlet|
$newline never
|]
, fieldEnctype = UrlEncoded
}
where showVal = either id (pack . show)
dayField :: RenderMessage master FormMessage => Field sub master Day
dayField = Field
{ fieldParse = parseHelper $ parseDate . unpack
, fieldView = \theId name attrs val isReq -> toWidget [hamlet|
$newline never
|]
, fieldEnctype = UrlEncoded
}
where showVal = either id (pack . show)
timeField :: RenderMessage master FormMessage => Field sub master TimeOfDay
timeField = Field
{ fieldParse = parseHelper parseTime
, fieldView = \theId name attrs val isReq -> toWidget [hamlet|
$newline never
|]
, fieldEnctype = UrlEncoded
}
where
showVal = either id (pack . show . roundFullSeconds)
roundFullSeconds tod =
TimeOfDay (todHour tod) (todMin tod) fullSec
where
fullSec = fromInteger $ floor $ todSec tod
htmlField :: RenderMessage master FormMessage => Field sub master Html
htmlField = Field
{ fieldParse = parseHelper $ Right . preEscapedText . sanitizeBalance
, fieldView = \theId name attrs val _isReq -> toWidget [hamlet|
$newline never
$# FIXME: There was a class="html" attribute, for what purpose?