class.ilRepositoryLinkSelector.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. |
        +-----------------------------------------------------------------------------+
*/

/*
* Repository Explorer
*
* @author Stefan Meyer <meyer@leifos.com>
* @version $Id$
*
*/

require_once("./Services/UIComponent/Explorer/classes/class.ilExplorer.php");

class ilRepositoryLinkSelector extends ilExplorer
{

        var $root_id;
        var $output;
        var $ctrl;

        var $selectable_type;
        var $ref_id;
        function ilRepositoryLinkSelector($a_target)
        {
                global $tree,$ilCtrl;

                $this->ctrl = $ilCtrl;

                parent::ilExplorer($a_target);
                $this->tree = $tree;
                $this->root_id = $this->tree->readRootId();
                $this->order_column = "title";

                $this->setSessionExpandVariable("rep_link_expand");

                // add here all container objects
                $this->addFilter("root");
                $this->addFilter("cat");
                $this->addFilter("grp");
                $this->addFilter("fold");
                $this->addFilter("crs");

                $this->setFilterMode(IL_FM_POSITIVE);
                $this->setFiltered(true);
                
                $this->setTitleLength(ilObject::TITLE_LENGTH);
        }

        function setSelectableType($a_type)
        {
                $this->selectable_type  = $a_type;
        }
        function setRefId($a_ref_id)
        {
                $this->ref_id = $a_ref_id;
        }
        

        function buildLinkTarget($a_node_id, $a_type)
        {
                if($a_type == $this->selectable_type)
                {
                        $this->ctrl->setParameterByClass('ilrepositorygui','source_id',$a_node_id);
                        return $this->ctrl->getLinkTargetByClass('ilrepositorygui','linkChilds');
                }
                else
                {
                        $this->ctrl->setParameterByClass('ilrepositorygui',"ref_id",$this->ref_id);
                        return $this->ctrl->getLinkTargetByClass('ilrepositorygui','linkSelector');
                }

        }

        function buildFrameTarget($a_type, $a_child = 0, $a_obj_id = 0)
        {
                return '';
        }

        function isClickable($a_type, $a_ref_id)
        {
                global $rbacsystem;

                return $a_type == $this->selectable_type 
                        and $a_ref_id != $this->ref_id 
                        and $rbacsystem->checkAccess('write',$a_ref_id);
        }

        function showChilds($a_ref_id)
        {
                global $rbacsystem;

                if ($a_ref_id == 0)
                {
                        return true;
                }

                if ($rbacsystem->checkAccess("read", $a_ref_id))
                {
                        return true;
                }
                else
                {
                        return false;
                }
        }


        function formatHeader($a_obj_id,$a_option)
        {
                global $lng, $ilias;

                $tpl = new ilTemplate("tpl.tree.html", true, true, "Services/UIComponent/Explorer");

                $tpl->setCurrentBlock("text");
                $tpl->setVariable("OBJ_TITLE", $lng->txt("repository"));
                $tpl->parseCurrentBlock();

                $tpl->setCurrentBlock("row");
                $tpl->parseCurrentBlock();

                $this->output[] = $tpl->get();
        }

} // END class ilRepositoryExplorer
?>