public function getMapTables()
    {
        $tables = [];

        if (is_array($GLOBALS['con4gis']['maps']['sourcetable']))
        {
            foreach ($GLOBALS['con4gis']['maps']['sourcetable'] as $key=>$sourcetable) {
                $tables[$key] = $GLOBALS['TL_LANG']['c4g_maps']['sourcetable'][$key]['name'];
            }
        }

        return $tables;
    }