vbulletin_global.js

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	// %25 gets translated to % by PHP, so if you have %25u1234,
	// we see it as %u1234 and it gets translated. So make it %u0025u1234,
	// which will print as %u1234!
	text = text.replace('%25', '%u0025');

	return text;
}

/**
* Works a bit like ucfirst, but with some extra options
*
* @param	string	String with which to work
* @param	string	Cut off string before first occurence of this string
*
* @return	string
*/
vB_PHP_Emulator.prototype.ucfirst = function(str, cutoff)
{
	if (typeof cutoff != 'undefined')
	{
		var cutpos = str.indexOf(cutoff);
		if (cutpos > 0)
		{
			str = str.substr(0, cutpos);
		}
	}

	str = str.split(' ');
	for (var i = 0; i < str.length; i++)
	{
		str[i] = str[i].substr(0, 1).toUpperCase() + str[i].substr(1);
	}
	return str.join(' ');
}

// #############################################################################
// vB_AJAX_Handler
// #############################################################################

/**
* XML Sender Class
*
* @param	boolean	Should connections be asyncronous?
*/
function vB_AJAX_Handler(async)
{
	/**
	* Should connections be asynchronous?
	*
	* @var	boolean
	*/
	this.async = async ? true : false;
}

// =============================================================================
// vB_AJAX_Handler methods

/**
* Initializes the XML handler
*
* @return	boolean	True if handler created OK
*/
vB_AJAX_Handler.prototype.init = function()
{
	if (typeof vb_disable_ajax != 'undefined' && vb_disable_ajax == 2)
	{
		// disable all ajax features
		return false;
	}

	if (typeof XMLHttpRequest != "undefined")
	{
		this.handler = new XMLHttpRequest();
		return (this.handler.setRequestHeader ? true : false);
	}
	else if (is_ie && !is_ie7)
	{
		this.handler = eval("new A" + "ctiv" + "eX" + "Ob" + "ject('Micr" + "osoft.XM" + "LHTTP');");
		return true;
	}
	else
	{
		return false;
	}
}

/**
* Detects if the browser is fully compatible
*
* @return	boolean
*/
vB_AJAX_Handler.prototype.is_compatible = function()
{
	if (typeof vb_disable_ajax != 'undefined' && vb_disable_ajax == 2)
	{
		// disable all ajax features
		return false;
	}

	if (is_ie && !is_ie4) { return true; }
	else if (typeof XMLHttpRequest != 'undefined')
	{
		try { return XMLHttpRequest.prototype.setRequestHeader ? true : false; }
		catch(e)
		{
			try { var tester = new XMLHttpRequest(); return tester.setRequestHeader ? true : false; }
			catch(e) { return false; }
		}
	}
	else { return false; }
}

/**
* Checks if the system is ready
*
* @return	boolean	False if ready
*/
vB_AJAX_Handler.prototype.not_ready = function()
{
	return (this.handler.readyState && (this.handler.readyState < 4));
}

/**
* OnReadyStateChange event handler
*
* @param	function
*/
vB_AJAX_Handler.prototype.onreadystatechange = function(event)
{
	if (!this.handler)
	{
		if  (!this.init())
		{
			return false;
		}
	}
	if (typeof event == 'function')
	{
		this.handler.onreadystatechange = event;
	}
	else
	{
		alert('XML Sender OnReadyState event is not a function');
	}

	return false;
}

/**
* Sends data
*
* @param	string	Destination URL
* @param	string	Request Data
*
* @return	mixed	Return message
*/
vB_AJAX_Handler.prototype.send = function(desturl, datastream)
{
	if (!this.handler)
	{
		if (!this.init())
		{
			return false;
		}
	}
	if (!this.not_ready())
	{
		this.handler.open('POST', desturl, this.async);
		this.handler.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		this.handler.send(datastream + '&s=' + fetch_sessionhash());

		if (!this.async && this.handler.readyState == 4 && this.handler.status == 200)
		{
			return true;
		}
	}
	return false;
}

/**
* Fetches the contents of an XML node
*
* @param	object	XML node
*
* @return	string	XML node contents
*/
vB_AJAX_Handler.prototype.fetch_data = function(xml_node)
{
	if (xml_node && xml_node.firstChild && xml_node.firstChild.nodeValue)
	{
		return PHP.unescape_cdata(xml_node.firstChild.nodeValue);
	}
	else
	{
		return '';
	}
}

// we can check this variable to see if browser is AJAX compatible
AJAX_Compatible = vB_AJAX_Handler.prototype.is_compatible();
console.info("Browser is%s AJAX compatible", AJAX_Compatible ? "" : " NOT");

// #############################################################################
// vB_Hidden_Form
// #############################################################################

/**
* Form Generator Class
*
* Builds a form filled with hidden fields for invisible submit via POST
*
* @param	string	Script (my_target_script.php)
*/
function vB_Hidden_Form(script)
{
	this.action = script;
	this.variables = new Array();
}

// =============================================================================
// vB_Hidden_Form methods

/**
* Adds a hidden input field to the form object
*
* @param	string	Name attribute
* @param	string	Value attribute
*/
vB_Hidden_Form.prototype.add_variable = function(name, value)
{
	this.variables[this.variables.length] = new Array(name, value);
	console.log("vB_Hidden_Form :: add_variable(%s)", name);
};

/**
* Fetches all form elements inside an HTML element and performs 'add_input()' on them
*
* @param	object	HTML element to search
*/
vB_Hidden_Form.prototype.add_variables_from_object = function(obj)
{
	if (!obj)
	{
		return;
	}
	console.info("vB_Hidden_Form :: add_variables_from_object(%s)", obj.id);
	var inputs = fetch_tags(obj, 'input');
	for (var i = 0; i < inputs.length; i++)
	{
		switch (inputs[i].type)
		{
			case 'checkbox':
			case 'radio':
				if (inputs[i].checked)
				{
					this.add_variable(inputs[i].name, inputs[i].value);
				}
				break;
			case 'text':
			case 'hidden':
			case 'password':
				this.add_variable(inputs[i].name, inputs[i].value);
				break;
			default:
				continue;
		}
	}

	var textareas = fetch_tags(obj, 'textarea');
	for (var i = 0; i < textareas.length; i++)
	{
		this.add_variable(textareas[i].name, textareas[i].value);
	}

	var selects = fetch_tags(obj, 'select');
	for (var i = 0; i < selects.length; i++)
	{
		if (selects[i].multiple)
		{
			for (var j = 0; j < selects[i].options.length; j++)
			{
				if (selects[i].options[j].selected)
				{
					this.add_variable(selects[i].name, selects[i].options[j].value);
				}
			}
		}
		else
		{
			this.add_variable(selects[i].name, selects[i].options[selects[i].selectedIndex].value);
		}
	}
};

/**
* Fetches a variable value
*
* @param	string	Variable name
*
* @return	mixed	Variable value
*/
vB_Hidden_Form.prototype.fetch_variable = function(varname)
{
	for (var i = 0; i < this.variables.length; i++)
	{
		if (this.variables[i][0] == varname)
		{
			return this.variables[i][1];
		}
	}

	return null;
};

/**
* Submits the hidden form object
*/
vB_Hidden_Form.prototype.submit_form = function()
{
	this.form = document.createElement('form');
	this.form.method = 'post';
	this.form.action = this.action;

	for (var i = 0; i < this.variables.length; i++)
	{
		var inputobj = document.createElement('input');

		inputobj.type  = 'hidden';
		inputobj.name  = this.variables[i][0];
		inputobj.value = this.variables[i][1];

		this.form.appendChild(inputobj);
	}

	console.info("vB_Hidden_Form :: submit_form() -> %s", this.action);
	document.body.appendChild(this.form).submit();
};

/**
* Builds a URI query string from the given variables
*/
vB_Hidden_Form.prototype.build_query_string = function()
{
	var query_string = '';

	for (var i = 0; i < this.variables.length; i++)
	{
		query_string += this.variables[i][0] + '=' + PHP.urlencode(this.variables[i][1]) + '&';
	}

	console.info("vB_Hidden_Form :: Query String = %s", query_string);
	return query_string;
}

/**
* Legacy functions for backward compatability
*/
vB_Hidden_Form.prototype.add_input = vB_Hidden_Form.prototype.add_variable;
vB_Hidden_Form.prototype.add_inputs_from_object = vB_Hidden_Form.prototype.add_variables_from_object;

// #############################################################################
// Window openers and instant messenger wrappers

/**
* Opens a generic browser window
*
* @param	string	URL
* @param	integer	Width
* @param	integer	Height
* @param	string	Optional Window ID
*/
function openWindow(url, width, height, windowid)
{
	return window.open(
		url,
		(typeof windowid == 'undefined' ? 'vBPopup' : windowid),
		'statusbar=no,menubar=no,toolbar=no,scrollbars=yes,resizable=yes'
		+ (typeof width != 'undefined' ? (',width=' + width) : '') + (typeof height != 'undefined' ? (',height=' + height) : '')
	);
}

/**
* Opens control panel help window
*
* @param	string	Script name
* @param	string	Action type
* @param	string	Option value
*
* @return	window
*/
function js_open_help(scriptname, actiontype, optionval)
{
	return openWindow(
		'help.php?s=' + SESSIONHASH + '&do=answer&page=' + scriptname + '&pageaction=' + actiontype + '&option=' + optionval,
		600, 450, 'helpwindow'
	);
}

/**
* Opens a window to show a list of attachments in a thread (misc.php?do=showattachments)
*
* @param	integer	Thread ID
*
* @return	window
*/
function attachments(threadid)
{
	return openWindow(
		'misc.php?' + SESSIONURL + 'do=showattachments&t=' + threadid,
		480, 300
	);
}

/**
* Opens a window to show a list of posters in a thread (misc.php?do=whoposted)
*
* @param	integer	Thread ID
*
* @return	window
*/
function who(threadid)
{
	return openWindow(
		'misc.php?' + SESSIONURL + 'do=whoposted&t=' + threadid,
		230, 300
	);
}

/**
* Opens an IM Window
*
* @param	string	IM type
* @param	integer	User ID
* @param	integer	Width of window
* @param	integer	Height of window
*
* @return	window
*/
function imwindow(imtype, userid, width, height)
{
	return openWindow(
		'sendmessage.php?' + SESSIONURL + 'do=im&type=' + imtype + '&u=' + userid,
		width, height
	);
}

/**
* Sends an MSN message
*
* @param	string	Target MSN handle
*
* @return	boolean	false
*/
function SendMSNMessage(name)
{
	if (!is_ie)
	{
		alert(vbphrase['msn_functions_only_work_in_ie']);
		return false;
	}
	else
	{
		MsgrObj.InstantMessage(name);
		return false;
	}
}

/**
* Adds an MSN Contact (requires MSN)
*
* @param	string	MSN handle
*
* @return	boolean	false
*/
function AddMSNContact(name)
{
	if (!is_ie)
	{
		alert(vbphrase['msn_functions_only_work_in_ie']);
		return false;
	}
	else
	{
		MsgrObj.AddContact(0, name);
		return false;
	}
}

/**
* Detects Caps-Lock when a key is pressed
*
* @param	event
*
* @return	boolean	True if Caps-Lock is on
*/
function detect_caps_lock(e)
{
	e = (e ? e : window.event);

	var keycode = (e.which ? e.which : (e.keyCode ? e.keyCode : (e.charCode ? e.charCode : 0)));
	var shifted = (e.shiftKey || (e.modifiers && (e.modifiers & 4)));
	var ctrled = (e.ctrlKey || (e.modifiers && (e.modifiers & 2)));

	// if characters are uppercase without shift, or lowercase with shift, caps-lock is on.
	return (keycode >= 65 && keycode <= 90 && !shifted && !ctrled) || (keycode >= 97 && keycode <= 122 && shifted);
}

/**
* Confirms log-out request
*
* @param	string	Log-out confirmation message
*
* @return	boolean
*/
function log_out(confirmation_message)
{
	var ht = document.getElementsByTagName("html")[0];
	ht.style.filter = "progid:DXImageTransform.Microsoft.BasicImage(grayscale=1)";
	if (confirm(confirmation_message))
	{
		return true;
	}
	else
	{
		ht.style.filter = "";
		return false;
	}
}

// #############################################################################
// Cookie handlers

/**
* Sets a cookie
*
* @param	string	Cookie name
* @param	string	Cookie value
* @param	date	Cookie expiry date
*/
function set_cookie(name, value, expires)
{
	console.log("Set Cookie :: %s = '%s'", name, value);
	document.cookie = name + '=' + escape(value) + '; path=/' + (typeof expires != 'undefined' ? '; expires=' + expires.toGMTString() : '');
}

/**
* Deletes a cookie
*
* @param	string	Cookie name
*/
function delete_cookie(name)
{
	console.log("Delete Cookie :: %s", name);
	document.cookie = name + '=' + '; expires=Thu, 01-Jan-70 00:00:01 GMT' +  '; path=/';
}

/**
* Fetches the value of a cookie
*
* @param	string	Cookie name
*
* @return	string
*/
function fetch_cookie(name)
{
	cookie_name = name + '=';
	cookie_length = document.cookie.length;
	cookie_begin = 0;
	while (cookie_begin < cookie_length)
	{
		value_begin = cookie_begin + cookie_name.length;
		if (document.cookie.substring(cookie_begin, value_begin) == cookie_name)
		{
			var value_end = document.cookie.indexOf (';', value_begin);
			if (value_end == -1)
			{
				value_end = cookie_length;
			}
			var cookie_value = unescape(document.cookie.substring(value_begin, value_end));
			console.log("Fetch Cookie :: %s = '%s'", name, cookie_value);
			return cookie_value;
		}
		cookie_begin = document.cookie.indexOf(' ', cookie_begin) + 1;
		if (cookie_begin == 0)
		{
			break;
		}
	}
	console.log("Fetch Cookie :: %s (null)", name);
	return null;
}

// #############################################################################
// Form element managers (used for 'check all' type systems)

/**
* Sets all checkboxes, radio buttons or selects in a given form to a given state, with exceptions
*
* @param	object	Form object
* @param	string	Target element type (one of 'radio', 'select-one', 'checkbox')
* @param	string	Selected option in case of 'radio'
* @param	array	Array of element names to be excluded
* @param	mixed	Value to give to found elements
*/
function js_toggle_all(formobj, formtype, option, exclude, setto)
{
	for (var i =0; i < formobj.elements.length; i++)
	{
		var elm = formobj.elements[i];
		if (elm.type == formtype && PHP.in_array(elm.name, exclude, false) == -1)
		{
			switch (formtype)
			{
				case 'radio':
					if (elm.value == option) // option == '' evaluates true when option = 0
					{
						elm.checked = setto;
					}
				break;
				case 'select-one':
					elm.selectedIndex = setto;
				break;
				default:
					elm.checked = setto;
				break;
			}
		}
	}

	if (typeof inlineMod != 'undefined')
	{
		im_init(obj);
	}
}

/**
* Sets all <select> elements to the selectedIndex specified by the 'selectall' element
*
* @param	object	Form object
*/
function js_select_all(formobj)
{
	exclude = new Array();
	exclude[0] = 'selectall';
	js_toggle_all(formobj, 'select-one', '', exclude, formobj.selectall.selectedIndex);
}

/**
* Sets all <input type="checkbox" /> elements to have the same checked status as 'allbox'
*
* @param	object	Form object
*/
function js_check_all(formobj)