Upload suboru na server a ulozenie cesty do DB

Caute snazim sa dat dokopy upload subor na server na konretne miesto ale uz som dost zufaly… vocm je problem?
vypisuje chybu Cannot use object of type Nette\Forms\Controls\SubmitButton as array…

Formular:

<?php
protected function createComponentPolozkaForm($name) {
	   $hornina = $this->horninaRepository->findAll()->fetchPairs('id','nazov');




	    $form = new Form;
	    $form->addText('nazov', 'Nazov')->setRequired('Zvolte nazov');
	    $form->addText('popis', 'Popis')->setRequired('Zvolte popis');
	    $form->addSelect('idHornina','Hornina',$hornina);
	    $form ->addUpload('nazovSuboru', 'Súbor');


	    $form->addSubmit('uloz','Uloz')->onClick[]=  callback($this, 'nazovFormSubmitted');
	    $form->addSubmit('cancel','Storno')->onClick[]=  callback($this, 'cancelFormSubmitted');

	    return $form;
	}
?>

obsluzna metoda

<?php
public function  nazovFormSubmitted($form)
	{
	    $values = $form->getForm()->getValues();
	    //ziska nazov subor
	$suborNazov =$values->nazovSuboru->getName( );
	//unset($values->nazovSuboru);
	//prida nazov suboru do pola $values
	//$values["nazovSuboru"]=$suborNazov;
	//vybere vlastnosti o subore
	$subor = $form['nazovSuboru']->getValue();

	//ulozi na server subor
	$imgUrl = $this->context->dirs['wwwDir'] . '/images/horniny/' . $subor->name;
	$subor->move($imgUrl);
	//$this->naleziskaObrazokRepository->vlozObrazok($values);


	    $id = (int) $this->getParameter('id');
	   if($id){
		$this->horninaObrazokRepository->findById($id)->update($values);
		$this->flashMessage('Nazov upraveny');
	  } else {
		$this->horninaObrazokRepository->findAll()->insert($values);
		$this->flashMessage('Nazov pridany');

	    }
	    //$this->redirect('default');
	    dump($values);
	}

?>