(* 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. *) (* FIX: - example at first *) 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; 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 begin begin try let rendered = Wiki_syntax.xml_of_wiki text in replace_child preview rendered; with _ -> () end; 20 end 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