public function ShowForm::validateForm in Ubercart 8.4

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

uc_file/src/Form/ShowForm.php, line 178

Class

ShowForm

Displays all files that may be purchased and downloaded for administration.

Namespace

Drupal\uc_file\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {
  switch ($form_state
    ->getValue([
    'uc_file_action',
    'action',
  ])) {
    case 'uc_file_delete':
      $file_ids = [];
      if (is_array($form_state
        ->getValue('file_select'))) {
        foreach ($form_state
          ->getValue('file_select') as $fid => $value) {
          if ($value) {
            $file_ids[] = $fid;
          }
        }
      }
      if (count($file_ids) == 0) {
        $form_state
          ->setErrorByName('', $this
          ->t('You must select at least one file to delete.'));
      }
      break;
  }
}