// Some global instances, this will be filled later
var tinyMCE = null, tinyMCELang = null;


function TinyMCE_Popup() {
};


TinyMCE_Popup.prototype.init = function() {
 var win = window.opener ? window.opener : window.dialogArguments;
 var inst;

 if (!win) {
  // Try parent
  win = parent.parent;

  // Try top
  if (typeof(win.tinyMCE) == "undefined")
   win = top;
 }

 window.opener = win;
 this.windowOpener = win;
 this.onLoadEval = "";

 // Setup parent references
 tinyMCE = win.tinyMCE;
 tinyMCELang = win.tinyMCELang;

 if (!tinyMCE) {
  alert("tinyMCE object reference not found from popup.");
  return;
 }

 inst = tinyMCE.selectedInstance;
 this.isWindow = tinyMCE.getWindowArg('mce_inside_iframe', false) == false;
 this.storeSelection = (tinyMCE.isMSIE && !tinyMCE.isOpera) && !this.isWindow && tinyMCE.getWindowArg('mce_store_selection', true);

 if (this.isWindow)
  window.focus();

 // Store selection
 if (this.storeSelection)
  inst.selectionBookmark = inst.selection.getBookmark(true);

 // Setup dir
 if (tinyMCELang['lang_dir'])
  document.dir = tinyMCELang['lang_dir'];

 // Setup title
 var re = new RegExp('{|\\\$|}', 'g');
 var title = document.title.replace(re, "");
 if (typeof tinyMCELang[title] != "undefined") {
  var divElm = document.createElement("div");
  divElm.innerHTML = tinyMCELang[title];
  document.title = divElm.innerHTML;

  if (tinyMCE.setWindowTitle != null)
   tinyMCE.setWindowTitle(window, divElm.innerHTML);
 }

 // Output Popup CSS class
 document.write('<link href="' + tinyMCE.getParam("popups_css") + '" rel="stylesheet" type="text/css">');

 tinyMCE.addEvent(window, "load", this.onLoad);
};


TinyMCE_Popup.prototype.onLoad = function() {
 var dir, i, elms, body = document.body;

 if (tinyMCE.getWindowArg('mce_replacevariables', true))
  body.innerHTML = tinyMCE.applyTemplate(body.innerHTML, tinyMCE.windowArgs);

 dir = tinyMCE.selectedInstance.settings['directionality'];
 if (dir == "rtl" && document.forms && document.forms.length > 0) {
  elms = document.forms[0].elements;
  for (i=0; i<elms.length; i++) {
   if ((elms[i].type == "text" || elms[i].type == "textarea") && elms[i].getAttribute("dir") != "ltr")
    elms[i].dir = dir;
  }
 }

 if (body.style.display == 'none')
  body.style.display = 'block';

 // Execute real onload (Opera fix)
 if (tinyMCEPopup.onLoadEval != "")
  eval(tinyMCEPopup.onLoadEval);
};


TinyMCE_Popup.prototype.executeOnLoad = function(str) {
 if (tinyMCE.isOpera)
  this.onLoadEval = str;
 else
  eval(str);
};


TinyMCE_Popup.prototype.resizeToInnerSize = function() {
 // Netscape 7.1 workaround
 if (this.isWindow && tinyMCE.isNS71) {
  window.resizeBy(0, 10);
  return;
 }

 if (this.isWindow) {
  var doc = document;
  var body = doc.body;
  var oldMargin, wrapper, iframe, nodes, dx, dy;

  if (body.style.display == 'none')
   body.style.display = 'block';

  // Remove margin
  oldMargin = body.style.margin;
  body.style.margin = '0';

  // Create wrapper
  wrapper = doc.createElement("div");
  wrapper.id = 'mcBodyWrapper';
  wrapper.style.display = 'none';
  wrapper.style.margin = '0';

  // Wrap body elements
  nodes = doc.body.childNodes;
  for (var i=nodes.length-1; i>=0; i--) {
   if (wrapper.hasChildNodes())
    wrapper.insertBefore(nodes[i].cloneNode(true), wrapper.firstChild);
   else
    wrapper.appendChild(nodes[i].cloneNode(true));

   nodes[i].parentNode.removeChild(nodes[i]);
  }

  // Add wrapper
  doc.body.appendChild(wrapper);

  // Create iframe
  iframe = document.createElement("iframe");
  iframe.id = "mcWinIframe";
  iframe.src = document.location.href.toLowerCase().indexOf('https') == -1 ? "about:blank" : tinyMCE.settings['default_document'];
  iframe.width = "100%";
  iframe.height = "100%";
  iframe.style.margin = '0';

  // Add iframe
  doc.body.appendChild(iframe);

  // Measure iframe
  iframe = document.getElementById('mcWinIframe');
  dx = tinyMCE.getWindowArg('mce_width') - iframe.clientWidth;
  dy = tinyMCE.getWindowArg('mce_height') - iframe.clientHeight;

  // Resize window
  // tinyMCE.debug(tinyMCE.getWindowArg('mce_width') + "," + tinyMCE.getWindowArg('mce_height') + " - " + dx + "," + dy);
  window.resizeBy(dx, dy);

  // Hide iframe and show wrapper
  body.style.margin = oldMargin;
  iframe.style.display = 'none';
  wrapper.style.display = 'block';
 }
};


TinyMCE_Popup.prototype.resizeToContent = function() {
 var isMSIE = (navigator.appName == "Microsoft Internet Explorer");
 var isOpera = (navigator.userAgent.indexOf("Opera") != -1);

 if (isOpera)
  return;

 if (isMSIE) {
  try { window.resizeTo(10, 10); } catch (e) {}

  var elm = document.body;
  var width = elm.offsetWidth;
  var height = elm.offsetHeight;
  var dx = (elm.scrollWidth - width) + 4;
  var dy = elm.scrollHeight - height;

  try { window.resizeBy(dx, dy); } catch (e) {}
 } else {
  window.scrollBy(1000, 1000);
  if (window.scrollX > 0 || window.scrollY > 0) {
   window.resizeBy(window.innerWidth * 2, window.innerHeight * 2);
   window.sizeToContent();
   window.scrollTo(0, 0);
   var x = parseInt(screen.width / 2.0) - (window.outerWidth / 2.0);
   var y = parseInt(screen.height / 2.0) - (window.outerHeight / 2.0);
   window.moveTo(x, y);
  }
 }
};


TinyMCE_Popup.prototype.getWindowArg = function(name, default_value) {
 return tinyMCE.getWindowArg(name, default_value);
};


TinyMCE_Popup.prototype.restoreSelection = function() {
 if (this.storeSelection) {
  var inst = tinyMCE.selectedInstance;

  inst.getWin().focus();

  if (inst.selectionBookmark)
   inst.selection.moveToBookmark(inst.selectionBookmark);
 }
};


TinyMCE_Popup.prototype.execCommand = function(command, user_interface, value) {
 var inst = tinyMCE.selectedInstance;

 this.restoreSelection();
 inst.execCommand(command, user_interface, value);

 // Store selection
 if (this.storeSelection)
  inst.selectionBookmark = inst.selection.getBookmark(true);
};


TinyMCE_Popup.prototype.close = function() {
 tinyMCE.closeWindow(window);
};


TinyMCE_Popup.prototype.pickColor = function(e, element_id) {
 tinyMCE.selectedInstance.execCommand('mceColorPicker', true, {
  element_id : element_id,
  document : document,
  window : window,
  store_selection : false
 });
};


TinyMCE_Popup.prototype.openBrowser = function(element_id, type, option) {
 var cb = tinyMCE.getParam(option, tinyMCE.getParam("file_browser_callback"));
 var url = document.getElementById(element_id).value;

 tinyMCE.setWindowArg("window", window);
 tinyMCE.setWindowArg("document", document);

 // Call to external callback
 if (eval('typeof(tinyMCEPopup.windowOpener.' + cb + ')') == "undefined")
  alert("Callback function: " + cb + " could not be found.");
 else
  eval("tinyMCEPopup.windowOpener." + cb + "(element_id, url, type, window);");
};


TinyMCE_Popup.prototype.importClass = function(c) {
 window[c] = function() {};

 for (var n in window.opener[c].prototype)
  window[c].prototype[n] = window.opener[c].prototype[n];

 window[c].constructor = window.opener[c].constructor;
};

// Setup global instance
var tinyMCEPopup = new TinyMCE_Popup();

tinyMCEPopup.init();