TranslateFilterForm::buildForm

public TranslateFilterForm::buildForm(array $form, FormStateInterface $form_state)

public function buildForm(array $form, FormStateInterface $form_state) {
  $filters = $this->translateFilters();
  $filter_values = $this->translateFilterValues();

  $form['#attached']['library'][] = 'locale/drupal.locale.admin';

  $form['filters'] = array(
    '#type' => 'details',
    '#title' => $this->t('Filter translatable strings'),
    '#open' => TRUE,
  );
  foreach ($filters as $key => $filter) {
    // Special case for 'string' filter.
    if ($key == 'string') {
      $form['filters']['status']['string'] = array(
        '#type' => 'search',
        '#title' => $filter['title'],
        '#description' => $filter['description'],
        '#default_value' => $filter_values[$key],
      );
    }
    else {
      $empty_option = isset($filter['options'][$filter['default']]) ? $filter['options'][$filter['default']] : '- None -';
      $form['filters']['status'][$key] = array(
        '#title' => $filter['title'],
        '#type' => 'select',
        '#empty_value' => $filter['default'],
        '#empty_option' => $empty_option,
        '#size' => 0,
        '#options' => $filter['options'],
        '#default_value' => $filter_values[$key],
      );
      if (isset($filter['states'])) {
        $form['filters']['status'][$key]['#states'] = $filter['states'];
      }
    }
  }

  $form['filters']['actions'] = array(
    '#type' => 'actions',
    '#attributes' => array('class' => array('container-inline')),
  );
  $form['filters']['actions']['submit'] = array(
    '#type' => 'submit',
    '#value' => $this->t('Filter'),
  );
  if (!empty($_SESSION['locale_translate_filter'])) {
    $form['filters']['actions']['reset'] = array(
      '#type' => 'submit',
      '#value' => $this->t('Reset'),
      '#submit' => array('::resetForm'),
    );
  }

  return $form;
}