public function ViewContent::render in Quick Tabs 8.3

Return a render array for an individual tab tat the theme layer to process.

Return value

string @todo test if changing type to array works

Overrides TabTypeBase::render

File

src/Plugin/TabType/ViewContent.php, line 72

Class

ViewContent

Provides a 'view content' tab type.

Namespace

Drupal\quicktabs\Plugin\TabType

Code

public function render(array $tab) {
  $options = $tab['content'][$tab['type']]['options'];
  $args = empty($options['args']) ? [] : array_map('trim', explode('/', $options['args']));
  if (isset($args)) {
    $current_path = \Drupal::service('path.current')
      ->getPath();

    // If the request is a ajax callback we need to use $_SERVER['HTTP_REFERER'] to get current path.
    if (strpos($current_path, '/quicktabs/ajax/') !== FALSE) {
      $request = \Drupal::request();
      if ($request->server
        ->get('HTTP_REFERER')) {
        $referer = parse_url($request->server
          ->get('HTTP_REFERER'), PHP_URL_PATH);

        // Stripping the language path prefix.
        $current_language = \Drupal::service('language_manager')
          ->getCurrentLanguage()
          ->getId();
        $path = str_replace("/{$current_language}/", '/', $referer);
        $current_path = \Drupal::service('path_alias.manager')
          ->getPathByAlias($path);
      }
    }
    $url_args = explode('/', $current_path);
    foreach ($url_args as $id => $arg) {
      $args = str_replace("%{$id}", $arg, $args);
    }
    $args = preg_replace(',/?(%\\d),', '', $args);
  }
  $view = Views::getView($options['vid']);

  // Return empty render array if user doesn't have access.
  if (!$view
    ->access($options['display'], \Drupal::currentUser())) {
    return [];
  }

  // Return empty if the view is empty.
  $view_results = views_get_view_result($options['vid'], $options['display']);
  if (!$view_results && !empty($options['vid']) && !empty($options['display'])) {

    // If the initial view is empty, check the attachments.
    $view = Views::getView($options['vid']);
    $view
      ->setDisplay($options['display']);
    $display = $view
      ->getDisplay();
    $attachments = $display
      ->getAttachedDisplays();

    // If there are attachments, check if they are empty.
    if (!empty($attachments)) {
      foreach ($attachments as $attachment) {
        if (!empty(views_get_view_result($options['vid'], $attachment))) {
          $view_results = TRUE;
          continue;
        }
      }
    }
  }
  if (empty($view_results)) {
    return [];
  }
  else {
    $render = $view
      ->buildRenderable($options['display'], $args);
  }

  // Set additional cache keys that depend on the arguments provided for this
  // view.
  // Until this is fixed in core:
  // https://www.drupal.org/project/drupal/issues/2823914
  $render['#cache']['keys'] = array_merge($render['#cache']['keys'], $args);
  return $render;
}