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annotate demo/more/bulkEdit.ur @ 1007:d3af9e54c828

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Title and abstract
author Adam Chlipala <adamc@hcoop.net>
date Thu, 22 Oct 2009 11:37:58 -0400
parents c6e948ec79e9
children 1911e84df461
rev   line source
adamc@1004 1 open Meta
adamc@1004 2
adamc@1004 3 functor Make(M : sig
adamc@1004 4 con keyName :: Name
adamc@1004 5 con keyType :: Type
adamc@1004 6 val showKey : show keyType
adamc@1005 7 val readKey : read keyType
adamc@1005 8 val injKey : sql_injectable keyType
adamc@1004 9
adamc@1004 10 con visible :: {(Type * Type)}
adamc@1004 11 constraint [keyName] ~ visible
adamc@1004 12 val folder : folder visible
adamc@1004 13 val visible : $(map Meta.meta visible)
adamc@1004 14
adamc@1004 15 con invisible :: {Type}
adamc@1004 16 constraint [keyName] ~ invisible
adamc@1004 17 constraint visible ~ invisible
adamc@1004 18
adamc@1004 19 val title : string
adamc@1004 20 val isAllowed : transaction bool
adamc@1004 21 table t : ([keyName = keyType] ++ map fst visible ++ invisible)
adamc@1004 22 end) = struct
adamc@1004 23
adamc@1004 24 open M
adamc@1004 25
adamc@1005 26 fun ensql [avail] (r : $(map snd visible)) : $(map (sql_exp avail [] []) (map fst visible)) =
adamc@1005 27 map2 [meta] [snd] [fn ts :: (Type * Type) => sql_exp avail [] [] ts.1]
adamc@1005 28 (fn [ts] meta v => @sql_inject meta.Inject (meta.Parse v))
adamc@1005 29 [_] folder visible r
adamc@1005 30
adamc@1004 31 fun main () =
adamc@1004 32 items <- queryX (SELECT t.{keyName}, t.{{map fst visible}} FROM t)
adamc@1004 33 (fn r => <xml><entry><tr>
adamc@1004 34 <hidden{keyName} value={show r.T.keyName}/>
adamc@1004 35 {useMore (foldR2 [meta] [fst] [fn cols :: {(Type * Type)} =>
adamc@1004 36 xml [Body, Form, Tr] [] (map snd cols)]
adamc@1004 37 (fn [nm :: Name] [p :: (Type * Type)] [rest :: {(Type * Type)}] [[nm] ~ rest]
adamc@1004 38 (m : meta p) v (acc : xml [Body, Form, Tr] [] (map snd rest)) =>
adamc@1004 39 <xml>
adamc@1004 40 <td>{m.WidgetPopulated [nm] v}</td>
adamc@1004 41 {useMore acc}
adamc@1004 42 </xml>)
adamc@1004 43 <xml/>
adamc@1004 44 [_] folder visible (r.T -- keyName))}
adamc@1004 45 </tr></entry></xml>);
adamc@1004 46
adamc@1004 47 return <xml><body>
adamc@1004 48 <h1>{[title]}</h1>
adamc@1004 49
adamc@1004 50 <form><table>
adamc@1004 51 <tr>{foldRX [meta] [_]
adamc@1004 52 (fn [nm :: Name] [p :: (Type * Type)] [rest :: {(Type * Type)}] [[nm] ~ rest] m =>
adamc@1004 53 <xml><th>{[m.Nam]}</th></xml>) [_] folder visible}</tr>
adamc@1004 54 <subforms{#Users}>{items}</subforms>
adamc@1005 55 <tr> <td><submit value="Save" action={save}/></td> </tr>
adamc@1004 56 </table></form>
adamc@1004 57 </body></xml>
adamc@1004 58
adamc@1005 59 and save r =
adamc@1005 60 List.app (fn user => dml (update [map fst visible] !
adamc@1005 61 (ensql (user -- keyName))
adamc@1005 62 t
adamc@1005 63 (WHERE t.{keyName} = {[readError user.keyName]}))) r.Users;
adamc@1005 64 main ()
adamc@1005 65
adamc@1004 66 end