/usr/share/php/xajax/xajax_core/plugin_layer/xajaxEventPlugin.inc.php is in php-xajax 0.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
File: xajaxEventPlugin.inc.php
Contains the xajaxEventPlugin class
Title: xajaxEventPlugin class
Please see <copyright.inc.php> for a detailed description, copyright
and license information.
*/
/*
@package xajax
@version $Id: xajaxEventPlugin.inc.php 362 2007-05-29 15:32:24Z calltoconstruct $
@copyright Copyright (c) 2005-2007 by Jared White & J. Max Wilson
@copyright Copyright (c) 2008-2009 by Joseph Woolley, Steffen Konerow, Jared White & J. Max Wilson
@license http://www.xajaxproject.org/bsd_license.txt BSD License
*/
/*
Constant: XAJAX_EVENT
Specifies that the item being registered via the <xajax->register> function
is an event.
Constant: XAJAX_EVENT_HANDLER
Specifies that the item being registered via the <xajax->register> function
is an event handler.
*/
if (!defined ('XAJAX_EVENT')) define ('XAJAX_EVENT', 'xajax event');
if (!defined ('XAJAX_EVENT_HANDLER')) define ('XAJAX_EVENT_HANDLER', 'xajax event handler');
//SkipAIO
require dirname(__FILE__) . '/support/xajaxEvent.inc.php';
//EndSkipAIO
/*
Class: xajaxEventPlugin
Plugin that adds server side event handling capabilities to xajax. Events can
be registered, then event handlers attached.
*/
class xajaxEventPlugin extends xajaxRequestPlugin
{
/*
Array: aEvents
*/
var $aEvents;
/*
String: sXajaxPrefix
*/
var $sXajaxPrefix;
/*
String: sEventPrefix
*/
var $sEventPrefix;
/*
String: sDefer
*/
var $sDefer;
var $bDeferScriptGeneration;
/*
String: sRequestedEvent
*/
var $sRequestedEvent;
/*
Function: xajaxEventPlugin
*/
function xajaxEventPlugin()
{
$this->aEvents = array();
$this->sXajaxPrefix = 'xajax_';
$this->sEventPrefix = 'event_';
$this->sDefer = '';
$this->bDeferScriptGeneration = false;
$this->sRequestedEvent = NULL;
if (isset($_GET['xjxevt'])) $this->sRequestedEvent = $_GET['xjxevt'];
if (isset($_POST['xjxevt'])) $this->sRequestedEvent = $_POST['xjxevt'];
}
/*
Function: configure
*/
function configure($sName, $mValue)
{
if ('wrapperPrefix' == $sName) {
$this->sXajaxPrefix = $mValue;
} else if ('eventPrefix' == $sName) {
$this->sEventPrefix = $mValue;
} else if ('scriptDefferal' == $sName) {
if (true === $mValue) $this->sDefer = 'defer ';
else $this->sDefer = '';
} else if ('deferScriptGeneration' == $sName) {
if (true === $mValue || false === $mValue)
$this->bDeferScriptGeneration = $mValue;
else if ('deferred' === $mValue)
$this->bDeferScriptGeneration = $mValue;
}
}
/*
Function: register
$sType - (string): type of item being registered
$sEvent - (string): the name of the event
$ufHandler - (function name or reference): a reference to the user function to call
$aConfiguration - (array): an array containing configuration options
*/
function register($aArgs)
{
if (1 < count($aArgs))
{
$sType = $aArgs[0];
if (XAJAX_EVENT == $sType)
{
$sEvent = $aArgs[1];
if (false === isset($this->aEvents[$sEvent]))
{
$xe =& new xajaxEvent($sEvent);
if (2 < count($aArgs))
if (is_array($aArgs[2]))
foreach ($aArgs[2] as $sKey => $sValue)
$xe->configure($sKey, $sValue);
$this->aEvents[$sEvent] =& $xe;
return $xe->generateRequest($this->sXajaxPrefix, $this->sEventPrefix);
}
}
if (XAJAX_EVENT_HANDLER == $sType)
{
$sEvent = $aArgs[1];
if (isset($this->aEvents[$sEvent]))
{
if (isset($aArgs[2]))
{
$xuf =& $aArgs[2];
if (false === is_a($xuf, 'xajaxUserFunction'))
$xuf =& new xajaxUserFunction($xuf);
$objEvent =& $this->aEvents[$sEvent];
$objEvent->addHandler($xuf);
return true;
}
}
}
}
return false;
}
/*
Function: generateClientScript
*/
function generateClientScript()
{
if (false === $this->bDeferScriptGeneration || 'deferred' === $this->bDeferScriptGeneration)
{
if (0 < count($this->aEvents))
{
echo "\n<script type='text/javascript' ";
echo $this->sDefer;
echo "charset='UTF-8'>\n";
echo "/* <![CDATA[ */\n";
foreach (array_keys($this->aEvents) as $sKey)
$this->aEvents[$sKey]->generateClientScript($this->sXajaxPrefix, $this->sEventPrefix);
echo "/* ]]> */\n";
echo "</script>\n";
}
}
}
/*
Function: canProcessRequest
*/
function canProcessRequest()
{
if (NULL == $this->sRequestedEvent)
return false;
return true;
}
/*
Function: processRequest
*/
function processRequest()
{
if (NULL == $this->sRequestedEvent)
return false;
$objArgumentManager =& xajaxArgumentManager::getInstance();
$aArgs = $objArgumentManager->process();
foreach (array_keys($this->aEvents) as $sKey)
{
$objEvent =& $this->aEvents[$sKey];
if ($objEvent->getName() == $this->sRequestedEvent)
{
$objEvent->fire($aArgs);
return true;
}
}
return 'Invalid event request received; no event was registered with this name.';
}
}
$objPluginManager =& xajaxPluginManager::getInstance();
$objPluginManager->registerPlugin(new xajaxEventPlugin(), 103);
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