public function Page::preprocess in Open Social 8

Same name and namespace in other branches

1. 8.9 themes/socialbase/src/Plugin/Preprocess/Page.php \Drupal\socialbase\Plugin\Preprocess\Page::preprocess()
2. 8.2 themes/socialbase/src/Plugin/Preprocess/Page.php \Drupal\socialbase\Plugin\Preprocess\Page::preprocess()
3. 8.3 themes/socialbase/src/Plugin/Preprocess/Page.php \Drupal\socialbase\Plugin\Preprocess\Page::preprocess()
4. 8.4 themes/socialbase/src/Plugin/Preprocess/Page.php \Drupal\socialbase\Plugin\Preprocess\Page::preprocess()
5. 8.5 themes/socialbase/src/Plugin/Preprocess/Page.php \Drupal\socialbase\Plugin\Preprocess\Page::preprocess()
6. 8.6 themes/socialbase/src/Plugin/Preprocess/Page.php \Drupal\socialbase\Plugin\Preprocess\Page::preprocess()
7. 8.7 themes/socialbase/src/Plugin/Preprocess/Page.php \Drupal\socialbase\Plugin\Preprocess\Page::preprocess()
8. 8.8 themes/socialbase/src/Plugin/Preprocess/Page.php \Drupal\socialbase\Plugin\Preprocess\Page::preprocess()

Preprocess theme hook variables.

Parameters

array $variables: The variables array, passed by reference (modify in place).

string $hook: The name of the theme hook.

array $info: The theme hook info array.

Overrides PreprocessBase::preprocess

File

themes/socialbase/src/Plugin/Preprocess/Page.php, line 22

Class

Page

Pre-processes variables for the "page" theme hook.

Namespace

Drupal\socialbase\Plugin\Preprocess

Code

public function preprocess(array &$variables, $hook, array $info) {
  parent::preprocess($variables, $hook, $info);

  // Add needed attributes so later in template we can manipulate with them.
  $attributes = new Attribute();

  // Default classes.
  $attributes
    ->addClass('row', 'container');

  // If page has title.
  if ($variables['page']['title']) {
    $attributes
      ->addClass('with-title-region');
    $variables['display_page_title'] = TRUE;
  }

  // If we have the admin toolbar permission.
  $user = \Drupal::currentUser();

  // Check for permission.
  if ($user
    ->hasPermission('access toolbar')) {
    $variables['#attached']['library'][] = 'socialbase/admin-toolbar';
  }

  // Add plain title for node preview page templates.
  if (!empty($variables['page']['#title'])) {
    $variables['plain_title'] = strip_tags($variables['page']['#title']);
  }

  // Hide page title for pages where we want to
  // display it in the Hero instead, like event, topic, basic page.
  // First determine if we are looking at a node.
  $nid = \Drupal::routeMatch()
    ->getRawParameter('node');
  $node = FALSE;
  $current_url = Url::fromRoute('<current>');
  $current_path = $current_url
    ->toString();
  if (!is_null($nid) && !is_object($nid)) {
    $node = Node::load($nid);
  }
  if ($node instanceof Node) {

    // List pages where we want to hide the default page title.
    $page_to_exclude = [
      'event',
      'topic',
      'page',
      'book',
    ];
    $paths_to_exclude = [
      'edit',
      'add',
      'delete',
    ];
    $in_path = str_replace($paths_to_exclude, '', $current_path) != $current_path;
    if (!$in_path) {

      // If there is a title and node type is excluded remove class.
      if (in_array($node
        ->bundle(), $page_to_exclude, TRUE)) {
        $attributes
          ->removeClass('with-title-region');
        $variables['display_page_title'] = FALSE;
      }
    }
  }

  // Check complementary_top and complementary_bottom variables.
  if ($variables['page']['complementary_top'] || $variables['page']['complementary_bottom']) {
    $attributes
      ->addClass('layout--with-complementary');
  }

  // Check if sidebars are empty.
  if (empty($variables['page']['sidebar_first']) && empty($variables['page']['sidebar_second'])) {
    $attributes
      ->addClass('layout--with-complementary');
  }

  // Sidebars logic.
  if (empty($variables['page']['complementary_top']) && empty($variables['page']['complementary_bottom'])) {
    if ($variables['page']['sidebar_first'] && $variables['page']['sidebar_second']) {
      $attributes
        ->addClass('layout--with-three-columns');
    }
    if (!empty($variables['page']['sidebar_second']) xor !empty($variables['page']['sidebar_first'])) {
      $attributes
        ->addClass('layout--with-two-columns');
    }
  }
  $variables['content_attributes'] = $attributes;
}