class.ilOrgUnitTree.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once('Services/Tree/classes/class.ilTree.php');
require_once('Services/OrgUnit/classes/class.ilOrgUnit.php');

class ilOrgUnitTree extends ilTree
{
        const TREE_ID = 1;
        
        const ROOT_UNIT_ID = 1;

        private $recursive_sub_tree = array();
        
        public function __construct()
        {
                parent::__construct( self::ROOT_UNIT_ID );

                $this->tree_id                  = self::TREE_ID;

                $this->table_tree                       = 'org_unit_tree';
                $this->table_obj_data           = 'org_unit_data';
                $this->table_obj_reference      = '';

                $this->tree_pk                  = 'tree';
                $this->obj_pk                   = 'ou_id';
                $this->ref_pk                   = '';

                $this->gap = 0;
        }

        public function getRecursiveOrgUnitTree($root_node = self::ROOT_UNIT_ID)
        {
                $root_node_data = $this->getNodeData($root_node);
                $nodes = $this->getSubTree($root_node_data);

                $root_unit = null;
                $index = array();

                foreach($nodes as &$node)
                {
                        $index[$node['child']] = $unit = ilOrgUnit::getInstance($node['child']);

                        if($node['parent'])
                        {
                                $unit->setParent($index[$node['parent']]);
                                $index[$node['parent']]->addChild($unit);
                        }
                        else $root_unit = $unit;
                }

                $root_unit->sortChilds();

                return $root_unit;
        }

}

?>