public function Sharrre::validateConfigurationForm in Share Message 8

Form validation handler.

Parameters

array $form: An associative array containing the structure of the plugin form as built by static::buildConfigurationForm().

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form. Calling code should pass on a subform state created through \Drupal\Core\Form\SubformState::createForSubform().

Overrides SharePluginBase::validateConfigurationForm

File

src/Plugin/sharemessage/Sharrre.php, line 222

Class

Sharrre

Sharrre plugin.

Namespace

Drupal\sharemessage\Plugin\sharemessage

Code

public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
  $sharrre_config = \Drupal::config('sharemessage.sharrre');
  $library_exists = FALSE;

  // Check if the library module is enabled and if the library is present.
  if (\Drupal::moduleHandler()
    ->moduleExists('libraries')) {
    $directory = libraries_get_path('sharrre');
    $file = 'jquery.sharrre.min.js';
    if (file_exists($directory . '/' . $file)) {
      $library_exists = TRUE;
    }
  }

  // General error if neither the library nor the URL from configuration exist.
  if (!$library_exists && !$sharrre_config
    ->get('library_url')) {
    $form_state
      ->setErrorByName('plugin', t('Either set the library locally (in /libraries/sharrre) and enable the libraries module or enter the remote URL on <a href=":sharrre_settings">Sharrre settings page</a>.', [
      ':sharrre_settings' => Url::fromRoute('sharemessage.sharrre.settings')
        ->toString(),
    ]));
  }
}