adamc@1004: con meta = fn (db :: Type, widget :: Type) =>
adamc@1004:               {Nam : string,
adamc@1004:                Show : db -> xbody,
adamc@1004:                Widget : nm :: Name -> xml form [] [nm = widget],
adamc@1004:                WidgetPopulated : nm :: Name -> db -> xml form [] [nm = widget],
adamc@1004:                Parse : widget -> db,
adamc@1004:                Inject : sql_injectable db}
adamc@1004: 
adamc@1004: fun default [t] (sh : show t) (rd : read t) (inj : sql_injectable t) name : meta (t, string) =
adamc@1004:     {Nam = name,
adamc@1004:      Show = txt,
adamc@1004:      Widget = fn [nm :: Name] => <xml><textbox{nm}/></xml>,
adamc@1004:      WidgetPopulated = fn [nm :: Name] n =>
adamc@1004:                           <xml><textbox{nm} value={show n}/></xml>,
adamc@1004:      Parse = readError,
adamc@1004:      Inject = _}
adamc@1004: 
adamc@1004: val int = default
adamc@1004: val float = default
adamc@1004: val string = default
adamc@1004: fun bool name = {Nam = name,
adamc@1004:                  Show = txt,
adamc@1004:                  Widget = fn [nm :: Name] => <xml><checkbox{nm}/></xml>,
adamc@1004:                  WidgetPopulated = fn [nm :: Name] b =>
adamc@1004:                                       <xml><checkbox{nm} checked={b}/></xml>,
adamc@1004:                  Parse = fn x => x,
adamc@1004:                  Inject = _}