function BookSettingsForm::validateForm
Same name in other branches
- 8.9.x core/modules/book/src/Form/BookSettingsForm.php \Drupal\book\Form\BookSettingsForm::validateForm()
- 10 core/modules/book/src/Form/BookSettingsForm.php \Drupal\book\Form\BookSettingsForm::validateForm()
- 11.x core/modules/book/src/Form/BookSettingsForm.php \Drupal\book\Form\BookSettingsForm::validateForm()
Overrides FormBase::validateForm
File
-
core/
modules/ book/ src/ Form/ BookSettingsForm.php, line 57
Class
- BookSettingsForm
- Configure book settings for this site.
Namespace
Drupal\book\FormCode
public function validateForm(array &$form, FormStateInterface $form_state) {
$child_type = $form_state->getValue('book_child_type');
if ($form_state->isValueEmpty([
'book_allowed_types',
$child_type,
])) {
$form_state->setErrorByName('book_child_type', $this->t('The content type for the %add-child link must be one of those selected as an allowed book outline type.', [
'%add-child' => $this->t('Add child page'),
]));
}
parent::validateForm($form, $form_state);
}
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