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annotate demo/more/grid1.ur @ 916:b873feb3eb52

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dragList almost kinda works
author Adam Chlipala <adamc@hcoop.net>
date Tue, 08 Sep 2009 10:18:19 -0400
parents 5e8b6fa5b48f
children 0a91c6ee7eec
rev   line source
adamc@915 1 open Dbgrid
adamc@915 2
adamc@915 3 table t1 : {Id : int, A : string}
adamc@915 4 PRIMARY KEY Id
adamc@915 5
adamc@915 6 sequence s
adamc@915 7 table t : {Id : int, A : int, B : string, C : bool, D : int}
adamc@915 8 PRIMARY KEY Id,
adamc@915 9 CONSTRAINT Foreign FOREIGN KEY (D) REFERENCES t1(Id) ON DELETE CASCADE
adamc@915 10
adamc@915 11 fun page (n, s) = return <xml>A = {[n]}, B = {[s]}</xml>
adamc@915 12
adamc@915 13 open Make(struct
adamc@915 14 val tab = t
adamc@915 15 con key = [Id = _]
adamc@915 16
adamc@915 17 val raw = {Id = {New = nextval s,
adamc@915 18 Inj = _},
adamc@915 19 A = {New = return 0,
adamc@915 20 Inj = _},
adamc@915 21 B = {New = return "",
adamc@915 22 Inj = _},
adamc@915 23 C = {New = return False,
adamc@915 24 Inj = _},
adamc@915 25 D = {New = return 0,
adamc@915 26 Inj = _}}
adamc@915 27
adamc@915 28 structure F = Direct.Foreign(struct
adamc@915 29 con nm = #Id
adamc@915 30 val tab = t1
adamc@915 31 fun render r = r.A
adamc@915 32 end)
adamc@915 33
adamc@915 34 val cols = {Id = Direct.readOnly [#Id] ! "Id" Direct.int,
adamc@915 35 A = Direct.editable [#A] ! "A" Direct.int,
adamc@915 36 B = Direct.editable [#B] ! "B" Direct.string,
adamc@915 37 C = Direct.editable [#C] ! "C" Direct.bool,
adamc@915 38 D = Direct.editable [#D] ! "D" F.meta,
adamc@915 39 DA = computed "2A" (fn r => 2 * r.A),
adamc@915 40 Link = computedHtml "Link" (fn r => <xml><a link={page (r.A, r.B)}>Go</a></xml>)}
adamc@915 41 end)
adamc@915 42
adamc@915 43 fun main () =
adamc@915 44 grid <- grid;
adamc@915 45 return <xml>
adamc@915 46 <head>
adamc@915 47 <link rel="stylesheet" type="text/css" href="/defun/grid.css"/>
adamc@915 48 </head>
adamc@915 49 <body onload={sync grid}>
adamc@915 50 {render grid}
adamc@915 51 </body>
adamc@915 52 </xml>