public function TagSetForm::validateForm in Extensible BBCode 8.3

Same name and namespace in other branches

1. 4.0.x src/Form/TagSetForm.php \Drupal\xbbcode\Form\TagSetForm::validateForm()

Form validation handler.

Parameters

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

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

Overrides FormBase::validateForm

File

src/Form/TagSetForm.php, line 243

Class

TagSetForm

Base form for tag sets.

Namespace

Drupal\xbbcode\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) : void {
  parent::validateForm($form, $form_state);
  $exists = [];
  $enabled = array_filter($form_state
    ->getValue('_tags'));
  $settings =& $form_state
    ->getValue('_settings');
  foreach (array_keys($enabled) as $key) {
    $name = $settings[$key]['name'];
    $exists[$name][$key] = $form['_settings'][$key]['name'];
  }
  foreach ($exists as $name => $rows) {
    if (count($rows) > 1) {
      foreach ((array) $rows as $row) {
        $form_state
          ->setError($row, $this
          ->t('The name [@tag] is used by multiple tags.', [
          '@tag' => $name,
        ]));
      }
    }
  }
}