library/dialog.js

   1 // Copyright (C) 2005 Rod Roark <rod@sunsetsystems.com>
   2 //
   3 // This program is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU General Public License
   5 // as published by the Free Software Foundation; either version 2
   6 // of the License, or (at your option) any later version.
   7
   8 // open a new cascaded window
   9 function cascwin(url, winname, width, height, options) {
  10  var mywin = window.parent ? window.parent : window;
  11  var newx = 25, newy = 25;
  12  if (!isNaN(mywin.screenX)) {
  13   newx += mywin.screenX;
  14   newy += mywin.screenY;
  15  } else if (!isNaN(mywin.screenLeft)) {
  16   newx += mywin.screenLeft;
  17   newy += mywin.screenTop;
  18  }
  19  if ((newx + width) > screen.width || (newy + height) > screen.height) {
  20   newx = 0;
  21   newy = 0;
  22  }
  23  top.restoreSession();
  24
  25  // MS IE version detection taken from
  26  // http://msdn2.microsoft.com/en-us/library/ms537509.aspx
  27  // to adjust the height of this box for IE only -- JRM
  28  if (navigator.appName == 'Microsoft Internet Explorer')
  29  {
  30     var ua = navigator.userAgent;
  31     var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
  32     if (re.exec(ua) != null)
  33     rv = parseFloat( RegExp.$1 ); // this holds the version number
  34     height = height + 28;
  35  }
  36
  37  return window.open(url, winname, options +
  38  ",width="   + width + ",height="  + height +
  39  ",left="    + newx  + ",top="     + newy   +
  40  ",screenX=" + newx  + ",screenY=" + newy);
  41 }
  42
  43 // recursive window focus-event grabber
  44 function grabfocus(w) {
  45  for (var i = 0; i < w.frames.length; ++i) grabfocus(w.frames[i]);
  46  w.onfocus = top.imfocused;
  47
  48  // the following was tried and discarded because it's too invasive and
  49  // does not help anyway, but i left it here for the curious.
  50  //
  51  // for (var i = 0; i < w.document.forms.length; ++i) {
  52  //  var e = w.document.forms[i].elements;
  53  //  for (var j = 0; j < e.length; ++j) {
  54  //   e[j].onfocus = top.imfocused;
  55  //  }
  56  // }
  57 }
  58
  59 // call this when a "modal" dialog is desired
  60 function dlgopen(url, winname, width, height) {
  61  if (top.modaldialog && ! top.modaldialog.closed) {
  62   if (window.focus) top.modaldialog.focus();
  63   if (top.modaldialog.confirm("OK to close this other popup window?")) {
  64    top.modaldialog.close();
  65    top.modaldialog = null;
  66   } else {
  67    return false;
  68   }
  69  }
  70  top.modaldialog = cascwin(url, winname, width, height,
  71   "resizable=1,scrollbars=1,location=0,toolbar=0");
  72  grabfocus(top);
  73  return false;
  74 }