git-annex/Assistant/WebApp/Form.hs

44 lines
1.6 KiB
Haskell

{- git-annex assistant webapp form utilities
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE FlexibleContexts, TypeFamilies, QuasiQuotes, MultiParamTypeClasses, TemplateHaskell, OverloadedStrings, RankNTypes #-}
module Assistant.WebApp.Form where
import Yesod hiding (textField, passwordField)
import Yesod.Form.Fields as F
import Data.Text (Text)
{- Yesod's textField sets the required attribute for required fields.
- We don't want this, because many of the forms used in this webapp
- display a modal dialog when submitted, which interacts badly with
- required field handling by the browser.
-
- Required fields are still checked by Yesod.
-}
textField :: RenderMessage master FormMessage => Field sub master Text
textField = F.textField
{ fieldView = \theId name attrs val _isReq -> [whamlet|
<input id="#{theId}" name="#{name}" *{attrs} type="text" value="#{either id id val}">
|]
}
{- Also without required attribute. -}
passwordField :: RenderMessage master FormMessage => Field sub master Text
passwordField = F.passwordField
{ fieldView = \theId name attrs val _isReq -> toWidget [hamlet|
<input id="#{theId}" name="#{name}" *{attrs} type="password" value="#{either id id val}">
|]
}
{- Makes a note widget be displayed after a field. -}
withNote :: RenderMessage master FormMessage => Field sub master a -> GWidget sub master () -> Field sub master a
withNote field note = field { fieldView = newview }
where
newview theId name attrs val isReq =
let fieldwidget = (fieldView field) theId name attrs val isReq
in [whamlet|^{fieldwidget}&nbsp;&nbsp;<span>^{note}</span>|]