89 lines
3 KiB
Haskell
89 lines
3 KiB
Haskell
{- git-annex assistant webapp form utilities
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-
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- Copyright 2012 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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{-# LANGUAGE FlexibleContexts, TypeFamilies, QuasiQuotes #-}
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{-# LANGUAGE MultiParamTypeClasses, TemplateHaskell #-}
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{-# LANGUAGE OverloadedStrings, RankNTypes #-}
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{-# LANGUAGE CPP #-}
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module Assistant.WebApp.Form where
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import Assistant.WebApp.Types
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import Assistant.Gpg
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import Yesod hiding (textField, passwordField)
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import Yesod.Form.Fields as F
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import Data.Text (Text)
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{- Yesod's textField sets the required attribute for required fields.
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- We don't want this, because many of the forms used in this webapp
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- display a modal dialog when submitted, which interacts badly with
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- required field handling by the browser.
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-
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- Required fields are still checked by Yesod.
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-}
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textField :: MkField Text
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textField = F.textField
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{ fieldView = \theId name attrs val _isReq -> [whamlet|
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<input id="#{theId}" name="#{name}" *{attrs} type="text" value="#{either id id val}">
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|]
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}
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readonlyTextField :: MkField Text
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readonlyTextField = F.textField
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{ fieldView = \theId name attrs val _isReq -> [whamlet|
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<input id="#{theId}" name="#{name}" *{attrs} type="text" value="#{either id id val}" readonly="true">
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|]
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}
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{- Also without required attribute. -}
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passwordField :: MkField Text
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passwordField = F.passwordField
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{ fieldView = \theId name attrs val _isReq -> toWidget [hamlet|
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<input id="#{theId}" name="#{name}" *{attrs} type="password" value="#{either id id val}">
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|]
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}
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{- Makes a note widget be displayed after a field. -}
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#if MIN_VERSION_yesod(1,2,0)
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withNote :: (Monad m, ToWidget (HandlerSite m) a) => Field m v -> a -> Field m v
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#else
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withNote :: Field sub master v -> GWidget sub master () -> Field sub master v
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#endif
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withNote field note = field { fieldView = newview }
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where
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newview theId name attrs val isReq =
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let fieldwidget = (fieldView field) theId name attrs val isReq
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in [whamlet|^{fieldwidget} <span>^{note}</span>|]
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{- Note that the toggle string must be unique on the form. -}
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#if MIN_VERSION_yesod(1,2,0)
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withExpandableNote :: (Monad m, ToWidget (HandlerSite m) w) => Field m v -> (String, w) -> Field m v
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#else
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withExpandableNote :: Field sub master v -> (String, GWidget sub master ()) -> Field sub master v
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#endif
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withExpandableNote field (toggle, note) = withNote field $ [whamlet|
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<a .btn data-toggle="collapse" data-target="##{ident}">#{toggle}</a>
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<div ##{ident} .collapse>
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^{note}
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|]
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where
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ident = "toggle_" ++ toggle
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{- Adds a check box to an AForm to control encryption. -}
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#if MIN_VERSION_yesod(1,2,0)
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enableEncryptionField :: (RenderMessage site FormMessage) => AForm (HandlerT site IO) EnableEncryption
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#else
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enableEncryptionField :: RenderMessage master FormMessage => AForm sub master EnableEncryption
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#endif
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enableEncryptionField = areq (selectFieldList choices) "Encryption" (Just SharedEncryption)
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where
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choices :: [(Text, EnableEncryption)]
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choices =
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[ ("Encrypt all data", SharedEncryption)
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, ("Disable encryption", NoEncryption)
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]
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