content/classes/class.ilLMExplorer.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
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        | This program is free software; you can redistribute it and/or               |
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        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
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        | This program is distributed in the hope that it will be useful,             |
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        | GNU General Public License for more details.                                |
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        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
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*/

/*
* Explorer View for Learning Modules
*
* @author Alex Killing <alex.killing@gmx.de>
* @version $Id: class.ilLMExplorer.php 11711 2006-07-30 14:11:38Z akill $
*
* @ingroup ModulesIliasLearningModule
*/

require_once("classes/class.ilExplorer.php");

class ilLMExplorer extends ilExplorer
{

        var $root_id;
        var $lm_obj;
        var $output;

        function ilLMExplorer($a_target,&$a_lm_obj)
        {
                parent::ilExplorer($a_target);
                $this->tree = new ilTree($a_lm_obj->getId());
                $this->tree->setTableNames('lm_tree','lm_data');
                $this->tree->setTreeTablePK("lm_id");
                $this->root_id = $this->tree->readRootId();
                $this->lm_obj =& $a_lm_obj;
                $this->order_column = "";
                $this->setSessionExpandVariable("lmexpand");
                $this->checkPermissions(false);
                $this->setPostSort(false);
                $this->textwidth = 200;
        }

        function formatHeader(&$tpl, $a_obj_id,$a_option)
        {
                global $lng, $ilias;
                
                $tpl->setCurrentBlock("icon");
                $tpl->setVariable("ICON_IMAGE" , ilUtil::getImagePath("icon_lm.gif",false, "output", $this->offlineMode()));
                $tpl->setVariable("TXT_ALT_IMG", $lng->txt("obj_".$this->lm_obj->getType()));
                $tpl->parseCurrentBlock();

                $tpl->setCurrentBlock("link");
                $tpl->setVariable("TITLE", ilUtil::shortenText($this->lm_obj->getTitle(), $this->textwidth, true));
                $tpl->setVariable("LINK_TARGET", $this->buildLinkTarget("",""));
                $tpl->setVariable("TARGET", " target=\"".$this->frame_target."\"");
                $tpl->parseCurrentBlock();
                
                $tpl->touchBlock("element");
        }

        function isClickable($a_type, $a_obj_id = 0)
        {
                global $ilUser;
                // in this standard implementation
                // only the type determines, wether an object should be clickable or not
                // but this method can be overwritten and make use of the ref id
                // (this happens e.g. in class ilRepositoryExplorerGUI)
                if ($this->is_clickable[$a_type] == "n")
                {
                        return false;
                }

                // check public access
                if ($ilUser->getId() == ANONYMOUS_USER_ID and !ilLMObject::_isPagePublic($a_obj_id,true))
                {
                        return false;
                }
        
                return true;
        }
} // END class ilLMExplorer
?>