<?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: class.ilSearchRootSelector.php 33875 2012-03-24 16:22:32Z akill $
*
* @package core
*/

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

class ilSearchRootSelector extends ilExplorer
{

	/**
	 * id of root folder
	 * @var int root folder id
	 * @access private
	 */
	var $root_id;
	var $output;
	var $ctrl;

	var $selectable_type;
	var $ref_id;
	/**
	* Constructor
	* @access	public
	* @param	string	scriptname
	* @param    int user_id
	*/
	function ilSearchRootSelector($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("search_root_expand");

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

		$this->setFiltered(true);
		$this->setFilterMode(IL_FM_POSITIVE);
		
		$this->setTitleLength(ilObject::TITLE_LENGTH);
	}
	
	function setClickableTypes($a_types)
	{
		$this->clickable_types = $a_types;
	}
	
	function isClickable($a_type, $a_ref_id = 0)
	{
		if (in_array($a_type, $this->clickable_types))
		{
			return true;
		}
		return false;
	}

	function setTargetClass($a_class)
	{
		$this->target_class = $a_class;
	}
	function getTargetClass()
	{
		return $this->target_class ? $this->target_class : 'ilsearchgui';
	}
	function setCmd($a_cmd)
	{
		$this->cmd = $a_cmd;
	}
	function getCmd()
	{
		return $this->cmd ? $this->cmd : 'selectRoot';
	}

	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)
	{
		$this->ctrl->setParameterByClass($this->getTargetClass(),"root_id",$a_node_id);
		
		return $this->ctrl->getLinkTargetByClass($this->getTargetClass(),$this->getCmd());

	}

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

	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;
		}
	}


	/**
	* overwritten method from base class
	* @access	public
	* @param	integer obj_id
	* @param	integer array options
	* @return	string
	*/
	function formatHeader(&$tpl,$a_option)
	{
		global $lng, $ilias;

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

		if (in_array("root", $this->clickable_types))
		{
			$tpl->setCurrentBlock("link");
			//$tpl->setVariable("LINK_NAME",$lng->txt('repository'));
			
			$this->ctrl->setParameterByClass($this->getTargetClass(),'root_id',ROOT_FOLDER_ID);
			$tpl->setVariable("LINK_TARGET",$this->ctrl->getLinkTargetByClass($this->getTargetClass(),$this->getCmd()));
			$tpl->setVariable("TITLE", $lng->txt("repository"));
			
			$tpl->parseCurrentBlock();
		}

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

		return true;
	}

} // END class ilRepositoryExplorer
?>
