public function PollChoiceDefaultWidget::massageFormValues in Poll 8

Massages the form values into the format expected for field values.

Parameters

array $values: The submitted form values produced by the widget.

• If the widget does not manage multiple values itself, the array holds the values generated by the multiple copies of the $element generated by the formElement() method, keyed by delta.
• If the widget manages multiple values, the array holds the values of the form element generated by the formElement() method.

array $form: The form structure where field elements are attached to. This might be a full form structure, or a sub-element of a larger form.

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

Return value

array An array of field values, keyed by delta.

Overrides WidgetBase::massageFormValues

File

src/Plugin/Field/FieldWidget/PollChoiceDefaultWidget.php, line 98

Class

PollChoiceDefaultWidget

Plugin implementation of the 'poll_choice_default' widget.

Namespace

Drupal\poll\Plugin\Field\FieldWidget

Code

public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
  foreach ($values as $delta => &$item_values) {
    $entity_type_manager = \Drupal::entityTypeManager();
    $storage = $entity_type_manager
      ->getStorage('poll_choice');
    $langcode = $item_values['langcode'];

    // Remove empty values. Removed choices will be deleted automatically.
    if (empty($item_values['choice'])) {
      unset($values[$delta]);
      continue;
    }

    /** @var \Drupal\poll\PollChoiceInterface $choice */
    $choice = !empty($item_values['target_id']) ? $storage
      ->load($item_values['target_id']) : $storage
      ->create([
      'langcode' => $langcode,
    ]);

    // If target translation is not yet available, populate it with data from the original choice.
    if ($choice
      ->language()
      ->getId() != $langcode && !$choice
      ->hasTranslation($langcode)) {
      $choice
        ->addTranslation($langcode, $choice
        ->toArray());
    }

    // Initiate the choice with the correct translation.
    $choice = $choice
      ->getTranslation($langcode);

    // If the choice is new or changed, resave it.
    if ($choice
      ->isNew() || $item_values['choice'] != $choice->choice->value) {
      $choice->choice->value = $item_values['choice'];
      $choice
        ->needsSaving(TRUE);
    }
    unset($item_values['target_id'], $item_values['choice'], $item_values['langcode']);
    $item_values['entity'] = $choice;
  }
  return $values;
}