<?php
/*
	+-----------------------------------------------------------------------------+
	| ILIAS open source                                                           |
	+-----------------------------------------------------------------------------+
	| Copyright (c) 1998-2001 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. |
	+-----------------------------------------------------------------------------+
*/


/**
* Class ilObjCourseListGUI
*
* @author Alex Killing <alex.killing@gmx.de>
* $Id: class.ilObjCourseListGUI.php 23764 2010-05-06 15:11:30Z smeyer $
*
* @extends ilObjectListGUI
*/


include_once "Services/Object/classes/class.ilObjectListGUI.php";

class ilObjCourseListGUI extends ilObjectListGUI
{
	/**
	* constructor
	*
	*/
	function ilObjCourseListGUI()
	{
		$this->ilObjectListGUI();
	}

	/**
	* initialisation
	*/
	function init()
	{
		$this->static_link_enabled = true;
		$this->delete_enabled = true;
		$this->cut_enabled = true;
		$this->copy_enabled = true;
		$this->subscribe_enabled = true;
		$this->link_enabled = false;
		$this->payment_enabled = true;
		$this->info_screen_enabled = true;
		$this->type = "crs";
		$this->gui_class_name = "ilobjcoursegui";
		
		include_once('Services/AdvancedMetaData/classes/class.ilAdvancedMDSubstitution.php');
		$this->substitutions = ilAdvancedMDSubstitution::_getInstanceByObjectType($this->type);
		if($this->substitutions->isActive())
		{
			$this->substitutions_enabled = true;
		}

		// general commands array
		include_once('class.ilObjCourseAccess.php');
		$this->commands = ilObjCourseAccess::_getCommands();
	}
	
	/**
	 * Only check cmd access for cmd 'register' and 'unregister'
	 * @param string $a_permission
	 * @param object $a_cmd
	 * @param object $a_ref_id
	 * @param object $a_type
	 * @param object $a_obj_id [optional]
	 * @return 
	 */
	public function checkCommandAccess($a_permission,$a_cmd,$a_ref_id,$a_type,$a_obj_id="")
	{
		if($a_cmd != 'view' and $a_cmd != 'leave')
		{
			$a_cmd = '';
		}
		return parent::checkCommandAccess($a_permission,$a_cmd,$a_ref_id,$a_type,$a_obj_id);
	}
	

	/**
	* inititialize new item
	*
	* @param	int			$a_ref_id		reference id
	* @param	int			$a_obj_id		object id
	* @param	string		$a_title		title
	* @param	string		$a_description	description
	*/
	function initItem($a_ref_id, $a_obj_id, $a_title = "", $a_description = "")
	{
		global $ilBench;

		parent::initItem($a_ref_id, $a_obj_id, $a_title, $a_description);

//echo "A-".memory_get_usage();echo "-".$full_class;
		$ilBench->start("ilObjCourseListGUI", "1000_checkAllConditions");
		$this->conditions_ok = ilConditionHandler::_checkAllConditionsOfTarget($a_ref_id,$this->obj_id);
		$ilBench->stop("ilObjCourseListGUI", "1000_checkAllConditions");
//echo "B-".memory_get_usage();echo "-".$full_class;
	}


	/**
	* Get item properties
	*
	* @return	array		array of property arrays:
	*						"alert" (boolean) => display as an alert property (usually in red)
	*						"property" (string) => property name
	*						"value" (string) => property value
	*/
	function getProperties()
	{
		global $lng, $ilUser;

		// BEGIN WebDAV: Get parent properties
		// BEGIN ChangeEvent: Get parent properties
		$props = parent::getProperties();
		// END ChangeEvent: Get parent properties
		// END WebDAV: Get parent properties

		// offline
		include_once 'Modules/Course/classes/class.ilObjCourseAccess.php';
		if(!ilObjCourseAccess::_isActivated($this->obj_id))
		{
			$props[] = array("alert" => true, "property" => $lng->txt("status"),
				"value" => $lng->txt("offline"));
		}

		// blocked
		include_once 'Modules/Course/classes/class.ilCourseParticipants.php';
		$members = ilCourseParticipants::_getInstanceByObjId($this->obj_id);
		if($members->isBlocked($ilUser->getId()) and $members->isAssigned($ilUser->getId()))
		{
			$props[] = array("alert" => true, "property" => $lng->txt("member_status"),
				"value" => $lng->txt("crs_status_blocked"));
		}

		// pending subscription
		if (ilCourseParticipants::_isSubscriber($this->obj_id,$ilUser->getId()))
		{
			$props[] = array("alert" => true, "property" => $lng->txt("member_status"),
				"value" => $lng->txt("crs_status_pending"));
		}
		// waiting list
		include_once './Modules/Course/classes/class.ilCourseWaitingList.php';
		if(ilCourseWaitingList::_isOnList($ilUser->getId(),$this->obj_id))
		{
			$props[] = array(
				"alert" 	=> true,
				"property" 	=> $lng->txt('member_status'),
				"value"		=> $lng->txt('on_waiting_list')
			);
		}

		return $props;
	}
} // END class.ilObjCategoryGUI
?>
