function umami_preprocess_breadcrumb in Drupal 9

Same name and namespace in other branches

1. 8 core/profiles/demo_umami/themes/umami/umami.theme \umami_preprocess_breadcrumb()

Implements hook_preprocess_breadcrumb().

File

core/profiles/demo_umami/themes/umami/umami.theme, line 69

Functions to support theming in the Umami theme.

Code

function umami_preprocess_breadcrumb(&$variables) {

  // We are creating a variable for the Current Page Title, to allow us to print
  // it after the breadcrumbs loop has run.
  $route_match = \Drupal::routeMatch();

  // Search page titles aren't resolved using the title_resolver service - it
  // will always return 'Search' instead of 'Search for [term]', which would
  // give us a breadcrumb of Home >> Search >> Search.
  // @todo Revisit after https://www.drupal.org/project/drupal/issues/2359901
  // @todo Revisit after https://www.drupal.org/project/drupal/issues/2403359
  $entity = $route_match
    ->getParameter('entity');
  if ($entity instanceof SearchPageInterface) {
    $variables['current_page_title'] = $entity
      ->getPlugin()
      ->suggestedTitle();
  }
  else {
    $variables['current_page_title'] = \Drupal::service('title_resolver')
      ->getTitle(\Drupal::request(), $route_match
      ->getRouteObject());
  }

  // Since we are printing the 'Current Page Title', add the URL cache context.
  // If we don't, then we might end up with something like
  // "Home > Articles" on the Recipes page, which should read "Home > Recipes".
  $variables['#cache']['contexts'][] = 'url';
}