<?php

/**
 * @file
 * Contains \Drupal\{{ module }}\Form\{{ class }}.
 */

namespace Drupal\{{ module }}\Form;

use Drupal\Core\Form\{% if config %}Config{% endif %}FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element;

class {{ class }} extends {% if config %}Config{% endif %}FormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return '{{ form_id }}';
  }

  {% if config %}
  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $config = $this->config('{{ module }}.settings');

    foreach (Element::children($form) as $variable) {
      $config->set($variable, $form_state->getValue($form[$variable]['#parents']));
    }
    $config->save();

    if (method_exists($this, '_submitForm')) {
      $this->_submitForm($form, $form_state);
    }

    parent::submitForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return ['{{ module }}.settings'];
  }
  {% endif %}

}