public function FloodUnblockAdminForm::validateRemoveItems in Flood control 2.0.x

Validates that items have been selected for removal.

File

src/Form/FloodUnblockAdminForm.php, line 218

Class

FloodUnblockAdminForm

Admin form of Flood Unblock.

Namespace

Drupal\flood_control\Form

Code

public function validateRemoveItems(array &$form, FormStateInterface $form_state) {
  parent::validateForm($form, $form_state);
  $entries = $form_state
    ->getValue('table');
  $selected_entries = array_filter($entries, function ($selected) {
    return $selected !== 0;
  });
  if (empty($selected_entries)) {
    $form_state
      ->setErrorByName('table', $this
      ->t('Please make a selection.'));
  }
}