public static function Dropdown::processDropdown in Open Social 8.9

Same name and namespace in other branches

1. 8 modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()
2. 8.2 modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()
3. 8.3 modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()
4. 8.4 modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()
5. 8.5 modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()
6. 8.6 modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()
7. 8.7 modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()
8. 8.8 modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()
9. 10.3.x modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()
10. 10.0.x modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()
11. 10.1.x modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()
12. 10.2.x modules/custom/dropdown/src/Element/Dropdown.php \Drupal\dropdown\Element\Dropdown::processDropdown()

Expands a radios element into individual radio elements.

File

modules/custom/dropdown/src/Element/Dropdown.php, line 48

Class

Dropdown

Provides an dropdown element.

Namespace

Drupal\dropdown\Element

Code

public static function processDropdown(&$element, FormStateInterface $form_state, &$complete_form) {
  if (count($element['#options']) > 0) {
    $weight = 0;
    foreach ($element['#options'] as $key => $option) {
      $value = HtmlUtility::escape($option['value']);
      $label = HtmlUtility::escape($option['label']);
      $description = isset($option['description']) ? HtmlUtility::escape($option['description']) : NULL;

      // Maintain order of options as defined in #options, in case the element
      // defines custom option sub-elements, but does not define all option
      // sub-elements.
      $weight += 0.001;
      $element += [
        $key => [],
      ];

      // Generate the parents as the autogenerator does, so we will have a
      // unique id for each radio button.
      $parents_for_id = array_merge($element['#parents'], [
        $key,
      ]);
      $element[$key] += [
        '#type' => 'radio',
        '#title' => $label,
        '#description' => $description,
        // The key is sanitized in Drupal\Core\Template\Attribute during
        // output from the theme function.
        '#return_value' => $value,
        // Use default or FALSE. A value of FALSE means that the radio button
        // is not 'checked'.
        '#default_value' => isset($element['#default_value']) ? $element['#default_value'] : FALSE,
        '#attributes' => $element['#attributes'],
        '#parents' => $element['#parents'],
        '#id' => HtmlUtility::getUniqueId('edit-' . implode('-', $parents_for_id)),
        '#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL,
        // Errors should only be shown on the parent radios element.
        '#error_no_message' => TRUE,
        '#weight' => $weight,
      ];
    }
  }
  return $element;
}