66 lines
1.9 KiB
Haskell
66 lines
1.9 KiB
Haskell
{-# LANGUAGE QuasiQuotes #-}
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{-# LANGUAGE TypeFamilies #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE CPP #-}
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{-# LANGUAGE OverloadedStrings #-}
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-- | Provide the user with a rich text editor.
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module Yesod.Form.Nic
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( YesodNic (..)
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, nicHtmlField
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, maybeNicHtmlField
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) where
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import Yesod.Handler
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import Yesod.Form.Core
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import Yesod.Widget
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import Text.HTML.SanitizeXSS (sanitizeBalance)
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import Text.Hamlet (Html, hamlet)
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import Text.Julius (julius)
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import Text.Blaze.Renderer.String (renderHtml)
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import Text.Blaze (preEscapedString)
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import Control.Monad.Trans.Class (lift)
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import Data.Text (Text, pack, unpack)
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class YesodNic a where
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-- | NIC Editor Javascript file.
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urlNicEdit :: a -> Either (Route a) Text
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urlNicEdit _ = Right "http://js.nicedit.com/nicEdit-latest.js"
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nicHtmlField :: (IsForm f, FormType f ~ Html, YesodNic (FormMaster f))
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=> FormFieldSettings -> Maybe Html -> f
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nicHtmlField = requiredFieldHelper nicHtmlFieldProfile
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maybeNicHtmlField
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:: (IsForm f, FormType f ~ Maybe Html, YesodNic (FormMaster f))
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=> FormFieldSettings -> Maybe (FormType f) -> f
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maybeNicHtmlField = optionalFieldHelper nicHtmlFieldProfile
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nicHtmlFieldProfile :: YesodNic y => FieldProfile sub y Html
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nicHtmlFieldProfile = FieldProfile
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{ fpParse = Right . preEscapedString . sanitizeBalance . unpack -- FIXME
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, fpRender = pack . renderHtml
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, fpWidget = \theId name val _isReq -> do
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addHtml
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#if __GLASGOW_HASKELL__ >= 700
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[hamlet|
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#else
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[$hamlet|
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#endif
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<textarea id="#{theId}" name="#{name}" .html>#{val}
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|]
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addScript' urlNicEdit
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addJulius
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#if __GLASGOW_HASKELL__ >= 700
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[julius|
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#else
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[$julius|
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#endif
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bkLib.onDomLoaded(function(){new nicEditor({fullPanel:true}).panelInstance("#{theId}")});
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|]
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}
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addScript' :: (y -> Either (Route y) Text) -> GWidget sub y ()
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addScript' f = do
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y <- lift getYesod
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addScriptEither $ f y
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