/**
  * Smazaže kontakt i jeho subkontakty
  *
  * @return boolean
  */
 public function rename($newname)
 {
     $oldname = $this->getName();
     $this->setDataValue($this->nameColumn, $newname);
     if ($this->saveToMySQL()) {
         $childs = $this->getChilds();
         $subcontact = new IEContact();
         $service = new IEService();
         foreach ($childs as $childID => $childInfo) {
             $subcontact->loadFromMySQL($childID);
             $type = $subcontact->getDataValue('alias');
             $subcontact->setDataValue($subcontact->nameColumn, $newname . ' ' . $type);
             $services = $this->myDbLink->queryTo2DArray('SELECT ' . $service->getmyKeyColumn() . ' FROM ' . $service->myTable . ' WHERE contacts LIKE \'%' . $oldname . ' ' . $type . '%\'');
             if (count($services)) {
                 foreach ($services as $serviceID) {
                     $service->loadFromMySQL((int) $serviceID);
                     if ($service->delMember('contacts', $id)) {
                         $service->addMember('contacts', $id, $newname . ' ' . $type);
                         $service->saveToMySQL();
                     }
                 }
             }
             $subcontact->saveToMySQL();
         }
     } else {
         $this->addStatusMessage(_('Kontakt nelze přejmenovat'), 'warning');
     }
 }