class.ilMaterialExplorer.php

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<?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. |
        +-----------------------------------------------------------------------------+
*/

/*
* Material Explorer for survey question pools
*
* @author Helmut Schottmüller <helmut.schottmueller@mac.com>
* @version $Id$
*
* @ingroup ModulesSurveyQuestionPool
*/

include_once("./Services/UIComponent/Explorer2/classes/class.ilTreeExplorerGUI.php");

class ilMaterialExplorer extends ilTreeExplorerGUI
{
        protected $current_type; // [string]
        
        function __construct($a_parent_obj, $a_parent_cmd, $a_selectable_type)
        {
                global $tree;
                                
                parent::__construct("rep_exp", $a_parent_obj, $a_parent_cmd, $tree);
                
                $this->current_type = $a_selectable_type;
                
                $this->setTypeWhiteList(array("root", "cat", "grp", "fold", "crs", $this->current_type));
                $this->setSkipRootNode(true);
                $this->setAjax(true);
        }
        
        function getNodeContent($a_node)
        {
                return $a_node["title"];
        }
        
        function getNodeIcon($a_node)
        {
                $obj_id = ilObject::_lookupObjId($a_node["child"]);
                return ilObject::_getIcon($obj_id, "tiny", $a_node["type"]);
        }
        
        function getNodeHref($a_node)
        {
                global $ilCtrl;

                $ilCtrl->setParameter($this->parent_obj, 'source_id', $a_node["child"]);
                return $ilCtrl->getLinkTarget($this->parent_obj, 'linkChilds');
        }
                
        function isNodeClickable($a_node)
        {
                return ($a_node["type"] == $this->current_type);
        }
} 

?>