public function add($autodate = true, $null_values = false)
 {
     $this->position = CMSCategory::getLastPosition((int) $this->id_parent);
     $this->level_depth = $this->calcLevelDepth();
     foreach ($this->name as $k => $value) {
         if (preg_match('/^[1-9]\\./', $value)) {
             $this->name[$k] = '0' . $value;
         }
     }
     $ret = parent::add($autodate, $null_values);
     $this->cleanPositions($this->id_parent);
     return $ret;
 }