class.ilObjExerciseAccess.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("classes/class.ilObjectAccess.php");

class ilObjExerciseAccess extends ilObjectAccess
{

        function _getCommands()
        {
                $commands = array
                (
                        array("permission" => "read", "cmd" => "infoScreen", "lang_var" => "show",
                                "default" => true),
                        array("permission" => "write", "cmd" => "edit", "lang_var" => "edit")
                );
                
                return $commands;
        }
        
        function _lookupRemainingWorkingTimeString($a_obj_id)
        {
                global $ilDB, $lng;
                
                $q = "SELECT time_stamp FROM exc_data WHERE obj_id = ".
                        $ilDB->quote($a_obj_id);
                $set = $ilDB->query($q);
                $rec = $set->fetchRow(DB_FETCHMODE_ASSOC);
                
                if ($rec["time_stamp"] - time() <= 0)
                {
                        $time_str = $lng->txt("exc_time_over_short");
                }
                else
                {
                        $time_diff = ilUtil::int2array($rec["time_stamp"] - time(), null);
                        $time_str = ilUtil::timearray2string($time_diff);
                }
                return $time_str;
        }
        
        function _checkGoto($a_target)
        {
                global $ilAccess;
                
                $t_arr = explode("_", $a_target);

                if ($t_arr[0] != "exc" || ((int) $t_arr[1]) <= 0)
                {
                        return false;
                }

                if ($ilAccess->checkAccess("read", "", $t_arr[1]))
                {
                        return true;
                }
                return false;
        }
}

?>