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  return window.open(url, winname, options +
  24   ",width="   + width + ",height="  + height +
  25   ",left="    + newx  + ",top="     + newy   +
  26   ",screenX=" + newx  + ",screenY=" + newy);
  27 }
  28
  29 // recursive window focus-event grabber
  30 function grabfocus(w) {
  31  for (var i = 0; i < w.frames.length; ++i) grabfocus(w.frames[i]);
  32  w.onfocus = top.imfocused;
  33
  34  // the following was tried and discarded because it's too invasive and
  35  // does not help anyway, but i left it here for the curious.
  36  //
  37  // for (var i = 0; i < w.document.forms.length; ++i) {
  38  //  var e = w.document.forms[i].elements;
  39  //  for (var j = 0; j < e.length; ++j) {
  40  //   e[j].onfocus = top.imfocused;
  41  //  }
  42  // }
  43 }
  44
  45 // call this when a "modal" dialog is desired
  46 function dlgopen(url, winname, width, height) {
  47  if (top.modaldialog && ! top.modaldialog.closed) {
  48   if (window.focus) top.modaldialog.focus();
  49   if (top.modaldialog.confirm("OK to close this other popup window?")) {
  50    top.modaldialog.close();
  51    top.modaldialog = null;
  52   } else {
  53    return false;
  54   }
  55  }
  56  top.modaldialog = cascwin(url, winname, width, height,
  57   "resizable=1,scrollbars=1");
  58  grabfocus(top);
  59  return false;
  60 }