public function FlagForListDeleteForm::buildForm in Flag Lists 8

Same name and namespace in other branches

1. 4.0.x src/Form/FlagForListDeleteForm.php \Drupal\flag_lists\Form\FlagForListDeleteForm::buildForm()

Form constructor.

Parameters

array $form: An associative array containing the structure of the form.

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

Return value

array The form structure.

Overrides EntityConfirmFormBase::buildForm

File

src/Form/FlagForListDeleteForm.php, line 17

Class

FlagForListDeleteForm

Builds the form to delete Flag for list entities.

Namespace

Drupal\flag_lists\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) {

  // Check if this Flag For List is in use.
  $flagListService = \Drupal::service('flaglists');
  $flaggingCollections = $flagListService
    ->getAllFlaggingCollections();
  $output = [];
  foreach ($flaggingCollections as $flag) {
    if ($flag
      ->getBaseFlag()
      ->id() == $this->entity
      ->id()) {
      $output[] = $flag
        ->getName();
    }
  }

  // If we are using this Flag For List let the user know.
  if (!empty($output)) {
    $form['active_items'] = [
      '#theme' => 'item_list',
      '#list_type' => 'ul',
      '#items' => $output,
      '#title' => $this
        ->t('Please remove the following Flagging Collections before proceding:'),
      '#empty' => $this
        ->t('No Flag List Items found'),
    ];
  }
  $form = parent::buildForm($form, $form_state);
  if (!empty($output)) {

    // Unset the options for submitting the form.
    unset($form['actions']['submit']);
    unset($form['description']);
  }
  return $form;
}