protected function SocialLinkWidget::formMultipleElements in Social Link Field 8

Special handling to create form elements for multiple values.

Handles generic features for multiple fields:

• number of widgets
• AHAH-'add more' button
• table display and drag-n-drop value reordering

Overrides WidgetBase::formMultipleElements

File

src/Plugin/Field/FieldWidget/SocialLinkWidget.php, line 272

Class

SocialLinkWidget

Plugin implementation of the 'open_hours' widget.

Namespace

Drupal\social_link_field\Plugin\Field\FieldWidget

Code

protected function formMultipleElements(FieldItemListInterface $items, array &$form, FormStateInterface $form_state) {
  $form['#wrapper_id'] = Html::getUniqueID($items
    ->getName());

  // Just in this case is important to preserve default value order.
  if (!$this
    ->getSetting('select_social') && $this->cardinality !== FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED && stripos($this->routeName, 'entity.field_config') === FALSE) {
    $this
      ->ensureItemsOrder($items);
  }
  $elements = parent::formMultipleElements($items, $form, $form_state);
  $elements['#prefix'] = '<div id="' . $form['#wrapper_id'] . '">';
  $elements['#suffix'] = '</div>';
  $elements['add_more']['#ajax']['wrapper'] = $form['#wrapper_id'];
  if ($this
    ->getSetting('disable_weight')) {

    // Disable item order change.
    $elements['#theme'] = 'field_multiple_value_no_draggable_form';
  }
  return $elements;
}