public static function AssociativeArrayWidget::addMorePairsSubmit in Map Widget 8

Submission handler for the "Add another item" button.

File

src/Plugin/Field/FieldWidget/AssociativeArrayWidget.php, line 158

Class

AssociativeArrayWidget

Plugin implementation of the 'map_item_widget' widget.

Namespace

Drupal\map_widget\Plugin\Field\FieldWidget

Code

public static function addMorePairsSubmit(array $form, FormStateInterface $form_state) {
  $button = $form_state
    ->getTriggeringElement();

  // Go one level up in the form, and get this delta value.
  $element = NestedArray::getValue($form, array_slice($button['#array_parents'], 0, -1));
  $field_name = $element['#field_name'];
  $parents = $element['#field_parents'];
  $delta = $element['#delta'];

  // Increment the associative item count.
  $field_state = static::getWidgetState($parents, $field_name, $form_state);
  $field_state['map_assoc_count'][$delta]++;
  static::setWidgetState($parents, $field_name, $form_state, $field_state);
  $form_state
    ->setRebuild();
}