captcha_eh.php
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	<?php
	/**
	* @version $Id: captcha_eh.php 13086 2010-01-12 19:47:40Z alex $
	* @package In-Portal
	* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
	* @license GNU/GPL
	* In-Portal is Open Source software.
	* This means that this software may have been modified pursuant
	* the GNU General Public License, and as distributed it includes
	* or is derivative of works licensed under the GNU General Public License
	* or other free or open source software licenses.
	* See http://www.in-portal.org/license for copyright notices and details.
	*/

	defined('FULL_PATH') or die('restricted access!');

	class CaptchaEventHandler extends kEventHandler {

	/**
	* [HOOK] Validates captcha code in item
	*
	* @param kEvent $event
	*/
	function OnValidateCode(&$event)
	{
	$captcha_helper =& $this->Application->recallObject('CaptchaHelper');
	/* @var $captcha_helper kCaptchaHelper */

	$captcha_helper->validateCode($event->MasterEvent);
	}

	/**
	* [HOOK] Initializes captcha code processing routine
	*
	* @param kEvent $event
	*/
	function OnPrepareCaptcha(&$event)
	{
	$captcha_helper =& $this->Application->recallObject('CaptchaHelper');
	/* @var $captcha_helper kCaptchaHelper */

	// create field for captcha code storage
	$virtual_fields = $this->Application->getUnitOption($event->MasterEvent->Prefix, 'VirtualFields');
	$virtual_fields['Captcha'] = Array ('type' => 'string', 'default' => '');
	$this->Application->setUnitOption($event->MasterEvent->Prefix, 'VirtualFields', $virtual_fields);
	}
	}