protected function ViewsSimpleMathFieldSort::showSortForm in Views Simple Math Field 8

Same name and namespace in other branches

1. 8.2 src/Plugin/views/sort/ViewsSimpleMathFieldSort.php \Drupal\views_simple_math_field\Plugin\views\sort\ViewsSimpleMathFieldSort::showSortForm()

Shortcut to display the value form.

Overrides SortPluginBase::showSortForm

File

src/Plugin/views/sort/ViewsSimpleMathFieldSort.php, line 62

Class

ViewsSimpleMathFieldSort

Handler which sort by the similarity.

Namespace

Drupal\views_simple_math_field\Plugin\views\sort

Code

protected function showSortForm(&$form, FormStateInterface $form_state) {
  parent::showSortForm($form, $form_state);
  $simpleOptions = [];
  $fieldsOptions = $this->displayHandler
    ->getFieldLabels();
  foreach ($fieldsOptions as $key => $value) {
    if (strpos($key, 'field_views_simple_math_field') !== FALSE) {
      $simpleOptions[$key] = $value;
    }
  }
  if (!empty($simpleOptions)) {
    $form['simple'] = [
      '#title' => $this
        ->t('Simple math fields'),
      '#type' => 'radios',
      '#options' => $simpleOptions,
      '#default_value' => $this->options['simple'],
      '#required' => TRUE,
    ];
  }
}