formular v komponente a nefunkcni CALLBACK storno button

Ahoj mam komponentu

<?php
namespace App\AdminModule\SystemModule\Components\Firmy;
class ZakladniInformaceTabControl extends \App\AdminModule\Components
{
/* FACTORIES FORM */
    function createComponentPridatFirmuForm()
    {
        $fData = array('parent'=>$this,
                    'name'=>'pridatFirmuForm');

        $form = $this->ZakladniInformaceFormFactory->mainForm($fData);

        return $form;
    }
}

a formular

<?php
namespace App\AdminModule\SystemModule\Factories\Firmy;

// use Nette\Forms\Container;
use \Nette\Forms\Controls\SubmitButton;
use \Nette\Application\UI\Form;
use \Vosy\Form\MyForm;

class ZakladniInformaceFormFactory extends \App\AdminModule\Factories\FormFactory
{
    public function mainForm($opt=array())
    {
//.....
		$form->addSubmit('ulozit', 'Uložit');

        $form->addSubmit('storno', 'Storno')
                ->setValidationScope(NULL)
                ->onClick[] = callback($this, 'mainFormStorno');
	}

	 public function mainFormStorno(\Nette\Forms\Controls\SubmitButton  $button)
    {
		//......
	}
}

a zaboha pri zmacknuti STORNO se nezavola fce mainFormStorno()