function olivero_preprocess_block in Drupal 9

Implements hook_preprocess_HOOK() for block.html.twig.

File

core/themes/olivero/olivero.theme, line 114

Functions to support theming in the Olivero theme.

Code

function olivero_preprocess_block(&$variables) {
  if (!empty($variables['elements']['#id'])) {

    /** @var \Drupal\block\BlockInterface $block */
    $block = \Drupal::entityTypeManager()
      ->getStorage('block')
      ->load($variables['elements']['#id']);
    if ($block) {
      $region = $block
        ->getRegion();
      if ($variables['base_plugin_id'] === 'system_menu_block') {
        $variables['content']['#attributes']['region'] = $region;
        if ($region === 'sidebar') {
          $variables['#attached']['library'][] = 'olivero/menu-sidebar';
        }
      }
      if ($variables['base_plugin_id'] === 'search_form_block') {
        if ($region === 'primary_menu') {
          $variables['#attached']['library'][] = 'olivero/search-narrow';
          $variables['content']['actions']['submit']['#theme_wrappers'] = [
            'input__submit__header_search',
          ];
        }
        elseif ($region === 'secondary_menu') {
          $variables['#attached']['library'][] = 'olivero/search-wide';
          $variables['content']['actions']['submit']['#theme_wrappers'] = [
            'input__submit__header_search',
          ];
        }
      }
    }
  }
  if ($variables['plugin_id'] === 'system_branding_block') {
    $site_branding_color = theme_get_setting('site_branding_bg_color');
    if ($site_branding_color && $site_branding_color !== 'default') {
      $variables['attributes']['class'][] = 'site-branding--bg-' . $site_branding_color;
    }
  }

  // Add a primary-nav class to main menu navigation block.
  if ($variables['plugin_id'] === 'system_menu_block:main') {
    $variables['attributes']['class'][] = 'primary-nav';
  }
}