/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Bob Clary Code.
 *
 * The Initial Developer of the Original Code is
 * Bob Clary <http://bclary.com/>.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

function generate_example(id)
{
  if (!document.getElementById || !document.createElement)
  {
    return;
  }

  var exampleElm = document.getElementById(id);

  if (!exampleElm)
  {
    alert('example script source ' + id + ' could not be found.');
    return;
  }

  var exampleForm = document.createElement('form');
  exampleForm.id = 'frm_' + id;
 
  var div = exampleForm.appendChild(document.createElement('div'));
  
  div.innerHTML = 
    'javascript <select name="frm_' + id + '_jsversion">' + 
    '  <option value="">default</option>' + 
    '  <option value="1.1">1.1</option>' + 
    '  <option value="1.2">1.2</option>' + 
    '  <option value="1.3">1.3</option>' + 
    '  <option value="1.4">1.4</option>' + 
    '  <option value="1.5">1.5</option>' + 
    '</select>' +
    '<button type="button" onclick="execute_example(\'' + id + '\')">' + 
    'execute' +
    '</button>';

  exampleElm.parentNode.insertBefore(exampleForm, exampleElm.nextSibling);
}

var exampleWin;

function execute_example(id)
{
  var js = document.forms['frm_' + id]['frm_' + id + '_jsversion'].value;
  var exampleElm = document.getElementById(id);

  if (!exampleElm)
  {
    alert('example script source could not be found.');
    return;
  }

  var exampleCode = exampleElm.innerHTML;
  
  exampleWin = window.open('about:blank', 'example');
  if (!exampleWin)
  {
    alert('This example uses a popup window.\n' +
	  'Please enable popups for this site.');
    return;
  }

  exampleWin.focus();

  exampleWin.document.write(
    '<html>' + 
    '<head>' + 
    '<title>' + 
    'Example ' + 
    id + 
    '<\/title>' +
    '<script type="text/javascript">' + 
    'function msg(s) { document.writeln(s + "<br>"); } ' + 
    '</script>' + 
    '<script type="text/javascript">' + 
    'window.onerror = function(errmsg,line,page) { msg("Error: " + errmsg + ", Page: " + page + ", Line: " + line); return true;};' + 
    '<\/script>' + 
    '<\/head>' + 
    '<body>' +
    '<h1>' + 
    'Example ' + id + 
    '<\/h1>' +
    '<h2>' + 
    'Language JavaScript' + 
    js + 
    '<\/h2>' + 
    '<pre>' + 
    exampleCode + 
    '<\/pre>' +
    '<script language="javascript' + js + '">' +  
    exampleCode.replace(/&lt;/gm, '<')
    .replace(/&gt;/gm, '>')
    .replace(/&amp;/gm,'&') +
    '<\/script>' + 
    '<\/body>' +
    '<\/html>'
    );

  exampleWin.document.close();
}

window.onunload = function ()
{
  if (exampleWin && !exampleWin.closed)
  {
    exampleWin.close();
  }
};

