function book_admin_settings_validate

1 book.admin.inc book_admin_settings_validate($form, &$form_state)

Form validation handler for book_admin_settings().

See also

book_admin_settings_submit()

1 string reference to 'book_admin_settings_validate'

book_admin_settings in core/modules/book/book.admin.inc: Form constructor for the book settings form.

File

core/modules/book/book.admin.inc, line 116: Admin page callbacks for the Book module.

Code

function book_admin_settings_validate($form, &$form_state) {
  $child_type = $form_state['values']['book_child_type'];
  if (empty($form_state['values']['book_allowed_types'][$child_type])) {
    form_set_error('book_child_type', t('The content type for the %add-child link must be one of those selected as an allowed book outline type.', array('%add-child' => t('Add child page'))));
  }
}