possible to list all keywords

[yawbih.git] / Main.hs

diff --git a/Main.hs b/Main.hs
index 93a56168c0c75507a639ba35b78eb3816f43e645..418c16820b88fafff475bcc544eee02f227bcabd 100644 (file)
--- a/Main.hs
+++ b/Main.hs
@@ -1,21 +1,156 @@
 module Main where 
 
-import CGI hiding (div, head, map, span)
+import CGI hiding (div, head, map, span, Text)
 import RawCGIInternal
 import CGIOutput
+import CGITypes
+import System
+import Wiki
+import Control.Monad
 
-main = start [] cgi
-
-cgi CGIInfo {cgiUrl = url, cgiPathInfo = pi, cgiContentType = ct, cgiContents = c, cgiCookies = co, cgiArgs = as, cgiHandle = h} parms = do 
-       putStr "content-type: text/html\n\n"
-       print parms
-       print url
-       print pi
-       print ct
-       print co
-       print co
-       print as
-       print h
-       case assocParm "test" parms of
-               Nothing -> putStr "Parameter 'test' not provided"
-               Just x -> putStr $ "Value of test = "++x
+import Text.ParserCombinators.Parsec
+
+testDB = createPGB "wave" "wiki" "wiki" "12wiki34db"
+
+--main = start [] cgi
+
+main = do 
+       db <- testDB
+       runWithHook [] (\(key:act) -> showPage db (filter (/= '\\') key)) $ showPage db "MainPage"
+
+ps a = standardQuery "Hello" a
+
+editPage db key = do 
+       s <- io $ getCurrent db key 
+       s' <- case s of
+               Nothing -> return ""
+               Just (x,_) -> return x
+       standardQuery key $ do
+               t <- p $ makeTextarea s' (attr_SS "rows" "10" ## attr_SS "cols" "75" ## attr_SS "colspan" "2")
+               p empty
+               text "Author: "
+               a <- textInputField (fieldSIZE 20)
+               p empty
+               text "Comment: "
+               c <- textInputField (fieldSIZE 20)
+               --p $ submit (F2 t a) testing (attr "value" "Send")
+               p $ defaultSubmit (F3 t a c) (savePage db key) (attr "value" "Send")
+               --submit0 (sp db key []) (attr "value" "Send1")
+
+
+savePage db key (F3 t a c) = do
+       io $ update db key fulltext author comment
+       showPage db key 
+  where
+       fulltext = value t
+       author = value a
+       comment = value c 
+
+showPage db key = do
+       s <- io $ getCurrent db key 
+       standardQuery key $ do
+               case s of
+                       Nothing -> text "No text added for this keyword"
+                       Just (full, date) -> do
+                               parseText full  
+                               p $ tt $ text $ "Last edited: "++date
+               footer db key
+
+parseText full = case parse wikiParser "" full of
+       Right n -> toWash n     
+       Left e -> do
+               text "PARSE ERROR: "
+               text (show e)
+               p $ text full
+
+footer db key = do
+       hr empty
+       table $ tr $ do
+               td $ submitLink0 (showPage db "MainPage") (text "Back to main page")
+               when (e key) $ td $ submitLink0 (editPage db key) (text "Edit this keyword")
+               when (e key) $ td $ submitLink0 (listRevs db key) (text "List old versions")
+               td $ submitLink0 (listKeywords db) (text "List all keywords")
+               td $ text "Keyword: " 
+               td $ activate (showPage db) textInputField empty
+
+e "" = False
+e _ = True
+
+listRevs db key = do 
+       list <- io $ getList db key 
+       standardQuery key $ table $ do
+               tr $ mapM (\header -> th (text header))
+                       ["Id", "Date", "Author", "Comment"]
+               mapM (revRow db key) list
+
+listKeywords db = do 
+       list <- io $ listKeys db
+       standardQuery "List of keywords" $ do
+               table (do
+                       tr $ th (text "Keyword")
+                       mapM (\key -> tr $ td $ linkKey db key) list)
+               footer db ""
+
+linkKey db key = submitLink0 (showPage db key) (text key)
+
+revRow db key (id, date, author, comment) = tr $ do
+       td $ submitLink0 (showRev db key id) (text id) 
+       td $ text date
+       td $ linkKey db author
+       td $ text comment
+
+showRev db key id = do
+       s <- io $ get db key id
+       standardQuery key $ do
+               case s of 
+                       Nothing -> text "No such revision"
+                       Just s -> parseText s
+               p empty
+               submitLink0 (changeCurrent db key id) (text "Set this version as the current one")
+               footer db key
+changeCurrent db key id = do
+       b <- io $ setCurrent db key id
+       if b then showPage db key
+               else standardQuery key $ do
+                       text "Could not set this revision as the current active one."
+                       p empty
+                       linkKey db key
+       
+toWash [] = return ()
+toWash ((Paragraph):xs) = do
+       p empty
+       toWash xs
+toWash ((Text s):xs) = do
+       text s
+       toWash xs
+toWash ((Link l d):xs) = do
+       hlink (URL {unURL = ("wiki?"++l)}) (text d)
+       toWash xs
+toWash ((Bold d):xs) = do
+       b (toWash d)
+       toWash xs
+toWash ((Emph d):xs) = do
+       em (toWash d)
+       toWash xs
+toWash ((Underline d):xs) = do
+       u (toWash d)
+       toWash xs
+toWash ((Strike d):xs) = do
+       strike (toWash d)
+       toWash xs
+toWash ((Heading n d):xs) = do
+       heading n $ toWash d
+       toWash xs
+toWash ((Url l):xs) = do
+       hlink (URL {unURL = (l)}) (text l)
+       toWash xs
+toWash ((Pre s):xs) = do
+       pre $ text s
+       toWash xs
+
+heading 1 = h1
+heading 2 = h2
+heading 3 = h3
+heading 4 = h4
+heading 5 = h5
+heading 6 = h6