var WindowManager = {};

WindowManager.init= function(objectId)
{
	this.m_objectId = objectId;
	this.m_modalWindow = null;
	this.m_lastModalResult = null;
	this.m_resultHandler = null;
	this.m_windowLeft = document.all ? "left" : "screenX";
	this.m_windowTop = document.all ? "top" : "screenY";
	this.m_windowSeed = 0;
	
	//	if(!window.onFocusAttached)
	//	{
	//		var _wm = this;
	//		window.suppressParentFocus = true;
	//		window.onfocus = function(e){return _wm.onWindowFocus(e);};
	//		window.onFocusAttached = true;
	//	}
}
	
WindowManager.openWindow= function(url, name, reload, params)
{
	var _windowHost = window;
	if(window.dialogArguments)
		_windowHost = window.dialogArguments;
		
	var _window = null;
	if(params)
		_window = _windowHost.open("", name, params);
	else _window = _windowHost.open("", name);
	
	if(_window)
	{
		if(reload || _window.location.href == "about:blank")
			_window.location.href = url;
		
		_window.focus();
	}
	
	return _window;
}
WindowManager.openWindowWH= function(url, name, reload, width, height, center, params)
{
	var _params = "width=" + width + ",height=" + height;
	
	if(center)
	{
		_params += "," + this.m_windowLeft + "=" + Math.floor((window.screen.width - width) / 2);
		_params += "," + this.m_windowTop + "=" + Math.floor((window.screen.height - height) / 2);
	}
	
	if(params)
		_params += "," + params;
	
	return this.openWindow(url, name, reload, _params);
}
WindowManager.getNextWindowName= function()
{
	var _result = "_W_" + this.m_windowSeed++;

	if(window.name)
		return  window.name + _result;
	else _result + Math.random();
}
WindowManager.openDialog= function(url, arguments, features, resultHandler, addCurrentTimeToUrl)
{
	try
	{
		this.m_lastModalResult = null;
		
		if(window.dialogArguments)
			arguments = window.dialogArguments;
		else arguments = window;
		
		
		if(resultHandler)
			this.m_resultHandler = resultHandler;
		else this.m_resultHandler = null;
		
		if(addCurrentTimeToUrl)
		{
			var _pos = url.indexOf("?");
			var _now = new Date();
		
			url += (_pos >= 0 ? "&t=" : "?t=") + encodeURIComponent("" + _now.getTime());
		}
		
		if(window.showModalDialog)
		{
			this.m_lastModalResult = window.showModalDialog(url, arguments, features);
			this.setModalResult(this.m_lastModalResult);
			return this.m_lastModalResult;
		}
		else
		{
			features = features.replace(/ /gi,'');
			
			var _features = features.split(";");
			var _params = "directories=0,menubar=0,titlebar=0,toolbar=0,modal=yes";
			var _height = 300;
			var _width = 400;
			
			for(key in _features)
			{
				var _feature = _features[key].split(":");
				var _featureName = _feature[0].toLowerCase();
				var _featureValue = _feature[1];

				switch (_featureName)
				{
					case "dialogheight":
						_height = JsUtilities.getUnitAsPixel(_featureValue);
						_params += ",height=" + _height;
						break;
					case "dialogwidth":
						_width = JsUtilities.getUnitAsPixel(_featureValue);
						_params += ",width=" + _width;
						break;
					case "dialogtop":
						_params += "," + _windowTop + "=" + JsUtilities.getUnitAsPixel(_featureValue);
						break;
					case "dialogleft":
						_params += "," + _windowLeft + "=" + JsUtilities.getUnitAsPixel(_featureValue);
						break;
					case "resizable":
						_params += ",resizable=" + _featureValue;
						break;
					case "status":
						_params += ",status=" + _featureValue;
						break;
					case "center":
						if(_featureValue.toLowerCase() == "yes" || _featureValue == "1")
						{
							_params += "," + this.m_windowLeft + "=" + Math.floor((window.screen.width - _width)/2);
							_params += "," + this.m_windowTop + "=" + Math.floor((window.screen.height - _height)/2);
						}
						break;
				}//switch
			}//for
			
			this.m_modalWindow = window.open(url, "popupWindow", _params);
			
			if(this.m_modalWindow)
			{
				this.m_modalWindow.dialogArguments = arguments;
				this.m_modalWindow.isModal = true;
				this.m_modalWindow.suppressParentFocus = false;
			}
		}//else
	
	}
	catch(exception)
	{
		alert(exception.message);
	}
}
WindowManager.onWindowFocus= function(e)
{
	try
	{
		if(typeof(window.suppressParentFocus) != "undefined"
			&& !window.suppressParentFocus
			&& window.isModal 
			&& window.opener 
			&& !window.opener.closed)
		{
			window.opener.suppressModalFocus = true;
			window.opener.focus();
			window.opener.suppressModalFocus = false;
			window.suppressParentFocus = true;
			window.focus();
			window.suppressParentFocus = false;
		}
		
		if(!window.suppressModalFocus 
			&& this.m_modalWindow)
		{
			if(this.m_modalWindow.closed)
				this.m_modalWindow = null;
			else this.m_modalWindow.focus();
		}
	}
	catch(exception)
	{
		this.m_modalWindow = null;
	}
}

WindowManager.getLastModalResult= function()
{
	if(!this.m_lastModalResult)
	{
		if(this.m_modalWindow)
		{
			if(typeof(this.m_modalWindow.returnValue) != "undefined")
				this.m_lastModalResult = _modalWindow.returnValue;
		}
	}
	
	return this.m_lastModalResult;
}
WindowManager.setModalResultDelayed= function(result)
{
	this.m_lastModalResult = result;
	var _wm = this;
	window.setTimeout(function(){_wm.setModalResult(_wm.m_lastModalResult);}, 100);
}
WindowManager.setModalResult= function(result)
{
	this.m_lastModalResult = result;
	
	if(typeof(this.m_resultHandler) == "function")
		this.m_resultHandler(result);
}
WindowManager.closeWithResult= function(result)
{
    debugger;
	window.returnValue = result;
	window.closedWithResult = false;
	
	if(window.opener && window.opener.WindowManager)
	{
		window.opener.WindowManager.setModalResultDelayed(result);
		window.opener.WindowManager.m_modalWindow = null;
	}
		
	window.setTimeout(function(){window.close();}, 300);
}
WindowManager.close= function()
{
	window.closedWithResult = false;
	
	if(window.opener
		&& window.opener.WindowManager)
	{
		window.opener.WindowManager.m_modalWindow = null;
	}
	
	window.setTimeout(function(){window.close();}, 300);
}

WindowManager.init("WindowManager");