Ur/Web: demo/crud2.ur annotate

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author	Adam Chlipala <adam@chlipala.net>
date	Sun, 20 Dec 2015 14:39:50 -0500
parents	669ac5e9a69e
children

rev	line source
adamc@422	1 table t : {Id : int, Nam : string, Ready : bool}
adamc@708	2 PRIMARY KEY Id
adamc@422	3
adamc@422	4 open Crud.Make(struct
adamc@422	5 val tab = t
adamc@422	6
adamc@422	7 val title = "Are you ready?"
adamc@422	8
adamc@422	9 val cols = {Nam = Crud.string "Name",
adamc@422	10 Ready = {Nam = "Ready",
adamc@422	11 Show = (fn b => if b then
adamc@422	12 <xml>Ready!</xml>
adamc@422	13 else
adamc@422	14 <xml>Not ready</xml>),
adamc@823	15 Widget = (fn [nm :: Name] => <xml>
adamc@422	16 <select{nm}>
adamc@422	17 <option>Ready</option>
adamc@422	18 <option>Not ready</option>
adamc@422	19 </select>
adamc@422	20 </xml>),
adamc@823	21 WidgetPopulated = (fn [nm :: Name] b => <xml>
adamc@422	22 <select{nm}>
adamc@422	23 <option selected={b}>Ready</option>
adamc@422	24 <option selected={not b}>Not ready</option>
adamc@422	25 </select>
adamc@422	26 </xml>),
adamc@422	27 Parse = (fn s =>
adamc@422	28 case s of
adamc@422	29 "Ready" => True
adamc@422	30 \| "Not ready" => False
adamc@422	31 \| _ => error <xml>Invalid ready/not ready</xml>),
adamc@422	32 Inject = _
adamc@422	33 }
adamc@422	34 }
adamc@422	35 end)

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