public function AdminCssEditor::submitForm in Admin CSS 8.2

Form submission 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 ConfigFormBase::submitForm

File

src/Form/AdminCssEditor.php, line 134

Class

AdminCssEditor

Admin CSS editor form.

Namespace

Drupal\admincss\Form

Code

public function submitForm(array &$form, FormStateInterface $form_state) {
  $config = $this
    ->config('admincss.settings');
  $custom_css = $form_state
    ->getValue('custom_css');
  $config
    ->set('custom_css', $custom_css);
  $config
    ->save();
  $changed = FALSE;
  $destination_uri = 'public://admin-style.css';
  if (empty($custom_css)) {

    // Empty CSS, delete the file.
    try {
      $this->fileSystem
        ->delete($destination_uri);
      $changed = TRUE;
    } catch (FileException $e) {

      // Ignore and continue.
    }
  }
  elseif (file_save_data($custom_css, $destination_uri, FileSystemInterface::EXISTS_REPLACE)) {
    $changed = TRUE;
  }
  if ($changed) {

    // Flush the css/js asset cache.
    $this
      ->flushAssetCache();
  }
  else {
    $this
      ->messenger()
      ->addWarning($this
      ->t('Failed to successfully write the changes to disk.'));
  }
  parent::submitForm($form, $form_state);
}