function navigation_page_top

Implements hook_page_top().

File

core/modules/navigation/navigation.module, line 44

Code

function navigation_page_top(array &$page_top) {
  if (!\Drupal::currentUser()->hasPermission('access navigation')) {
    return;
  }
  $navigation_renderer = \Drupal::service('navigation.renderer');
  assert($navigation_renderer instanceof NavigationRenderer);
  $navigation_renderer->removeToolbar($page_top);
  if (\Drupal::routeMatch()->getRouteName() !== 'layout_builder.navigation.view') {
    // Don't render the admin toolbar if in layout edit mode.
    $navigation_renderer->buildNavigation($page_top);
    $navigation_renderer->buildTopBar($page_top);
    return;
  }
  // But if in layout mode, add an empty element to leave space. We need to use
  // an empty .admin-toolbar element because the css uses the adjacent sibling
  // selector. The actual rendering of the navigation blocks/layout occurs in
  // the layout form.
  $page_top['navigation'] = [
    '#type' => 'html_tag',
    '#tag' => 'aside',
    '#attributes' => [
      'class' => 'admin-toolbar',
    ],
  ];
  $navigation_renderer->buildTopBar($page_top);
}