Mercurial > urweb
comparison demo/more/checkGroup.ur @ 1025:7facf72aaf0a
Initial form for paper assignment
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Sun, 01 Nov 2009 14:26:20 -0500 |
| parents | |
| children |
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| 1024:93415bcf54c0 | 1025:7facf72aaf0a |
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| 1 con t ctx data = list (data * xml ctx [] [] * source bool) | |
| 2 | |
| 3 fun create [ctx] [data] (items : list (data * xml ctx [] [] * bool)) = | |
| 4 List.mapM (fn (d, x, b) => s <- source b; return (d, x, s)) items | |
| 5 | |
| 6 fun render [ctx] [data] [[Body] ~ ctx] (t : t ([Body] ++ ctx) data) = | |
| 7 List.mapX (fn (_, x, s) => <xml><ccheckbox source={s}/> {x}<br/></xml>) t | |
| 8 | |
| 9 fun selected [ctx] [data] (t : t ctx data) = | |
| 10 List.foldlM (fn (d, _, s) ls => | |
| 11 s <- signal s; | |
| 12 return (if s then | |
| 13 d :: ls | |
| 14 else | |
| 15 ls)) [] t |