Flippi-0.0.4: src/PageTemplates.hs
{-
Copyright (c) 2004, Philippa Jane Cowderoy
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-}
module PageTemplates where
import Text.XHtml
import DeWikify
import PageIO
import System.Time
import Maybe
htmlPage p t env = return $ (header $ thetitle t) +++ bodystuff p
where bodystuff h = body $ (viewform +++
hr +++
p)
sn = fromJust (lookup "SCRIPT_NAME" env)
editform = stringToHtml "Edit a page: "
+++
form (
input ! [thetype "text",
value "",
name "edit"]
+++
input ! [thetype "submit", value "Submit"]
) ! [action sn, method "get"]
viewform = stringToHtml "View a page: "
+++
form (
input ! [thetype "text",
value "",
name "view"]
+++
input ! [thetype "submit", value "Submit"]
) ! [action sn, method "get"]
page p t env = do sn <- return (fromJust (lookup "SCRIPT_NAME" env))
htmlPage (deWikify sn p) (stringToHtml t) env
viewPage p env = do text <- getPage p env
case text of
Just text -> htmlPage ((deWikify sn text) +++ viewFooter)
(stringToHtml p)
env
Nothing -> pageNotFound p env
where viewFooter = hr +++ (anchor (stringToHtml "Edit this page")
! [(href (sn ++ "?edit=" ++ p))]
)
sn = fromJust (lookup "SCRIPT_NAME" env)
editPage p env = do sn <- return (fromJust (lookup "SCRIPT_NAME" env))
text <- getPage p env
modified <- getPageLastUpdated p
modified <- case modified of
Just d -> toCalendarTime d
Nothing -> do ct <- getClockTime
toCalendarTime ct
htmlPage (stringToHtml ("editing " ++ p)
+++
br
+++
form (
textarea (
case text of
Nothing -> stringToHtml ""
Just t -> stringToHtml t
) ! [cols "80",
rows "18",
name "Text"]
+++
input ! [thetype "hidden",
name "oldDate",
value $ (show modified)
]
+++
input ! [thetype "submit", value "Submit"]
) ! [action (sn ++ "?edit=" ++ p),
method "post"]
)
(stringToHtml ("editing " ++ p))
env
pageNotFound p env = do sn <- return (fromJust (lookup "SCRIPT_NAME" env))
htmlPage (pbody sn)
(stringToHtml "Page not found")
env
where pbody sn = (deWikify sn ("Page not found: " ++ p))
+++
br
+++
(anchor (stringToHtml ("Create " ++ p))
! [(href (sn ++ "?edit=" ++ p))]
)
updateSuccessPage p env = page ("Page " ++ p ++ " updated")
"Update Successful"
env
updateMalformedPage p env = page "Malformed update request"
"Update Failed"
env
editMalformedPage p env = page "Malformed edit request"
"Edit Failed"
env
editConflictPage p env = page ("Somebody else updated " ++ p
++ " while you were editing - "
++ "your edit has been discarded"
)
"Update Failed"
env
malformedQueryPage env = page "Malformed query"
"Error"
env
unknownScriptPage s env = page ("Unknown script \"" ++ s ++ "\"")
"Error"
env
defaultPage env = viewPage "FrontPage" env