99 lines
3.4 KiB
Haskell
99 lines
3.4 KiB
Haskell
{- git-annex assistant webapp form utilities
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-
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- Copyright 2012 Joey Hess <id@joeyh.name>
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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 CPP #-}
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{-# LANGUAGE OverloadedStrings, RankNTypes #-}
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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 Yesod.Form.Bootstrap3 as Y hiding (bfs)
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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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withNote :: (ToWidget (HandlerSite m) a) => Field m v -> a -> Field m v
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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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withExpandableNote :: (ToWidget (HandlerSite m) w) => Field m v -> (String, w) -> Field m v
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withExpandableNote field (toggle, note) = withNote field $ [whamlet|
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<a .btn .btn-default 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_core(1,6,0)
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enableEncryptionField :: (RenderMessage site FormMessage) => AForm (HandlerFor site) EnableEncryption
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#else
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enableEncryptionField :: (RenderMessage site FormMessage) => AForm (HandlerT site IO) EnableEncryption
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#endif
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enableEncryptionField = areq (selectFieldList choices) (bfs "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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{- Defines the layout used by the Bootstrap3 form helper -}
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bootstrapFormLayout :: BootstrapFormLayout
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bootstrapFormLayout = BootstrapHorizontalForm (ColSm 0) (ColSm 2) (ColSm 0) (ColSm 10)
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{- Adds the form-control class used by Bootstrap3 for layout to a field
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- This is the same as Yesod.Form.Bootstrap3.bfs except it takes just a Text
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- parameter as I couldn't get the original bfs to compile due to type ambiguities.
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-}
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bfs :: Text -> FieldSettings master
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bfs msg = FieldSettings
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{ fsLabel = SomeMessage msg
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, fsName = Nothing
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, fsId = Nothing
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, fsAttrs = [("class", "form-control")]
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, fsTooltip = Nothing
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}
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