Submit handler to test directory existence.

This actually just checks to see if the directory is writable.

Parameters

array $form: FormAPI form.

\Drupal\Core\Form\FormStateInterface $form_state: FormAPI form state.

File

modules/file_example/src/FileExampleSubmitHandlerHelper.php, line 442

Class

FileExampleSubmitHandlerHelper

A submit handler helper class for the file_example module.

Namespace

Drupal\file_example

Code

public function handleDirectoryExists(array &$form, FormStateInterface $form_state) {
  $form_values = $form_state->getValues();
  $directory = $form_values['directory_name'];
  $result = is_dir($directory);
  if (!$result) {
    $this->messenger
      ->addMessage($this->t('Directory %directory does not exist.', [
      '%directory' => $directory,
    ]));
  }
  else {
    $this->messenger
      ->addMessage($this->t('Directory %directory exists.', [
      '%directory' => $directory,
    ]));
  }
}