permission_type_eh.php
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	<?php
	/**
	* @version $Id: permission_type_eh.php 16513 2017-01-20 14:10:53Z alex $
	* @package In-Portal
	* @copyright Copyright (C) 1997 - 2011 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 PermissionTypeEventHandler extends kDBEventHandler {

	/**
	* Cant delete system permissions
	*
	* @param kEvent $event
	* @return void
	* @access protected
	*/
	protected function OnBeforeItemDelete(kEvent $event)
	{
	parent::OnBeforeItemDelete($event);

	/** @var kDBItem $object */
	$object = $event->getObject();

	if ( $object->GetDBField('IsSystem') ) {
	// prevents deletion of this permission
	$event->status = kEvent::erFAIL;

	// informs main event, that redirect shouldn't be made
	$event->MasterEvent->status = kEvent::erFAIL;
	$this->Application->SetVar('cant_delete_system_permission', 1);
	}
	}
	}