public function LayoutParagraphsWidget::removeItemConfirmSubmit in Layout Paragraphs 1.0.x

Form submit handler - removes/deletes an item.

Parameters

array $form: The form array.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

File

src/Plugin/Field/FieldWidget/LayoutParagraphsWidget.php, line 1576

Class

LayoutParagraphsWidget

Entity Reference with Layout field widget.

Namespace

Drupal\layout_paragraphs\Plugin\Field\FieldWidget

Code

public function removeItemConfirmSubmit(array $form, FormStateInterface $form_state) {
  $element = $form_state
    ->getTriggeringElement();
  $element_parents = $element['#parents'];
  $remove_form_parents = array_splice($element_parents, 0, -2);
  $nested_items_path = array_merge($remove_form_parents, [
    'nested_items',
  ]);
  $nested_items_value = $form_state
    ->getValue($nested_items_path);
  $uuid = $element['#uuid'];
  $parents = $element['#element_parents'];
  $delta = $element['#delta'];
  $widget_state = static::getWidgetState($parents, $this->fieldName, $form_state);
  if ($nested_items_value == 'remove') {
    $this
      ->removeChildren($widget_state['items'], $uuid);
  }
  unset($widget_state['items'][$delta]['entity']);
  $widget_state['remove_item'] = FALSE;
  static::setWidgetState($parents, $this->fieldName, $form_state, $widget_state);
  $form_state
    ->setRebuild();
}