AbstractType.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Form;

use Symfony\Component\Form\Extension\Core\Type\FormType;
use Symfony\Component\Form\Util\StringUtil;
use Symfony\Component\OptionsResolver\OptionsResolver;

/**
 * @author Bernhard Schussek <bschussek@gmail.com>
 */
abstract class AbstractType implements FormTypeInterface
{
    /**
     * @return string|null
     */
    public function getParent()
    {
        return FormType::class;
    }

    /**
     * @return void
     */
    public function configureOptions(OptionsResolver $resolver)
    {
    }

    /**
     * @return void
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
    }

    /**
     * @return void
     */
    public function buildView(FormView $view, FormInterface $form, array $options)
    {
    }

    /**
     * @return void
     */
    public function finishView(FormView $view, FormInterface $form, array $options)
    {
    }

    /**
     * @return string
     */
    public function getBlockPrefix()
    {
        return StringUtil::fqcnToBlockPrefix(static::class) ?: '';
    }
}