Eccube\Form\Type\Admin\ClassNameType::buildForm PHP Method

    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->add('name', 'text', array('label' => '規格名', 'constraints' => array(new Assert\NotBlank(), new Assert\Length(array('max' => $this->config['stext_len'])))));
    }