class.ilObjCourseReferenceAccess.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

include_once("./Services/ContainerReference/classes/class.ilContainerReferenceAccess.php");

class ilObjCourseReferenceAccess extends ilContainerReferenceAccess
{
        function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "")
        {
                global $lng,$rbacsystem,$ilAccess;
                
                switch($a_permission)
                {
                        case 'visible':
                        case 'read':
                                include_once './Modules/CourseReference/classes/class.ilObjCourseReference.php';
                                $target_ref_id = ilObjCourseReference::_lookupTargetRefId($a_obj_id);
                                $target_obj_id = ilObject::_lookupObjId($target_ref_id);
                                
                                include_once './Modules/Course/classes/class.ilObjCourse.php';
                                if((!ilObjCourse::_isActivated($target_obj_id) or !$rbacsystem->checkAccess('visible',$target_ref_id)) and 
                                        !$rbacsystem->checkAccess('write',$a_ref_id))
                                {
                                        $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                                        return false;
                                }
                }

                return true;
        }

        function _getCommands($a_ref_id)
        {
                global $ilAccess;
                
                if(!isset($a_ref_id))
                {
                        $GLOBALS['ilLog']->logStack();
                }
                
                if($ilAccess->checkAccess('write','',$a_ref_id))
                {
                        // Only local (reference specific commands)
                        $commands = array
                        (
                                array("permission" => "visible", "cmd" => "", "lang_var" => "show","default" => true),
                                array("permission" => "write", "cmd" => "edit", "lang_var" => "edit")
                        );
                }
                else
                {
                        include_once('./Modules/Course/classes/class.ilObjCourseAccess.php');
                        $commands = ilObjCourseAccess::_getCommands();
                }
                return $commands;
        }
        
} 
?>