Ur/Web: demo/more/conferenceFields.ur annotate

Initial support for char in SQL

author	Adam Chlipala <adamc@hcoop.net>
date	Thu, 22 Oct 2009 16:15:56 -0400
parents	59097824f19b
children	53a22f46f377

rev	line source
adamc@1007	1 open Meta
adamc@1007	2
adamc@1007	3 val title = string "Title"
adamc@1007	4 val abstract = textarea "Abstract"
adamc@1011	5
adamc@1011	6 fun charIn s =
adamc@1011	7 if String.length s = 0 then
adamc@1011	8 error <xml>Impossible: Empty option value</xml>
adamc@1011	9 else
adamc@1011	10 String.sub s 0
adamc@1011	11
adamc@1011	12 con dropdown = (char, string)
adamc@1011	13 fun dropdown name opts = {Nam = name,
adamc@1011	14 Show = txt,
adamc@1011	15 Widget = fn [nm :: Name] => <xml><select{nm}>
adamc@1011	16 {List.mapX (fn x => <xml><option>{[x]}</option></xml>) opts}
adamc@1011	17 </select></xml>,
adamc@1011	18 WidgetPopulated = fn [nm :: Name] v => <xml><select{nm}>
adamc@1011	19 {List.mapX (fn x => <xml><option selected={x = v}>{[x]}</option></xml>) opts}
adamc@1011	20 </select></xml>,
adamc@1011	21 Parse = charIn,
adamc@1011	22 Inject = _}
adamc@1011	23

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