1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
(* Js_of_ocaml example
* http://www.ocsigen.org/js_of_ocaml/
* Copyright (C) 2010 Jérôme Vouillon
* Laboratoire PPS - CNRS Université Paris Diderot
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
open Js_of_ocaml
open Js_of_ocaml_lwt
module Html = Dom_html
let ( >>= ) = Lwt.bind
let replace_child p n =
Js.Opt.iter p##.firstChild (fun c -> Dom.removeChild p c);
Dom.appendChild p n
let onload _ =
let d = Html.document in
let body =
Js.Opt.get (d##getElementById (Js.string "wiki_demo")) (fun () -> assert false)
in
let textbox = Html.createTextarea d in
textbox##.rows := 20;
textbox##.cols := 80;
textbox##.value := Js.string Test.test1;
let preview = Html.createDiv d in
preview##.style##.border := Js.string "1px black dashed";
preview##.style##.padding := Js.string "5px";
Dom.appendChild body textbox;
Dom.appendChild body (Html.createBr d);
Dom.appendChild body preview;
let rec dyn_preview old_text n =
let text = Js.to_string textbox##.value in
let n =
if text <> old_text
then (
(try
let rendered = Wiki_syntax.xml_of_wiki text in
replace_child preview rendered
with _ -> ());
20)
else max 0 (n - 1)
in
Lwt_js.sleep (if n = 0 then 0.5 else 0.1) >>= fun () -> dyn_preview text n
in
ignore (dyn_preview "" 0);
Js._false
let _ = Html.window##.onload := Html.handler onload
|
