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- <?php
- /**
- * @file
- * Functions to support theming in the Umami theme.
- */
- use Drupal\Component\Utility\Html;
- use Drupal\Core\Form\FormStateInterface;
- use Drupal\search\SearchPageInterface;
- /**
- * Implements hook_preprocess_HOOK() for HTML document templates.
- *
- * Adds body classes if certain regions have content.
- */
- function umami_preprocess_html(&$variables) {
- // Add a sidebar class if the sidebar has content in it.
- if (!empty($variables['page']['sidebar'])) {
- $variables['attributes']['class'][] = 'two-columns';
- $variables['#attached']['library'][] = 'umami/two-columns';
- }
- else {
- $variables['attributes']['class'][] = 'one-column';
- }
- }
- /**
- * Implements hook_preprocess_field().
- */
- function umami_preprocess_field(&$variables, $hook) {
- $element = $variables['element'];
- // Add class to label and items fields to be styled using the meta styles.
- if (isset($element['#field_name'])) {
- if (
- $element['#field_name'] == 'field_recipe_category' ||
- $element['#field_name'] == 'field_tags' ||
- $element['#field_name'] == 'field_difficulty') {
- $variables['attributes']['class'] = 'label-items';
- }
- }
- }
- /**
- * Implements hook_preprocess_block().
- */
- function umami_preprocess_block(&$variables) {
- $variables['title_attributes']['class'][] = 'block__title';
- // Add a class indicating the custom block bundle.
- if (isset($variables['elements']['content']['#block_content'])) {
- $variables['attributes']['class'][] = Html::getClass('block-type-' . $variables['elements']['content']['#block_content']->bundle());
- }
- }
- /**
- * Implements hook_theme_suggestions_HOOK_alter() for block templates.
- */
- function umami_theme_suggestions_block_alter(array &$suggestions, array $variables) {
- // Block suggestions for custom block bundles.
- if (isset($variables['elements']['content']['#block_content'])) {
- array_splice($suggestions, 1, 0, 'block__bundle__' . $variables['elements']['content']['#block_content']->bundle());
- }
- }
- /**
- * Implements hook_preprocess_breadcrumb().
- */
- function umami_preprocess_breadcrumb(&$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".
- $variables['#cache']['contexts'][] = 'url';
- }
- /**
- * Implements hook_form_FORM_ID_alter().
- */
- function umami_form_search_block_form_alter(&$form, FormStateInterface $form_state) {
- $form['keys']['#attributes']['placeholder'] = t('Search by keyword, ingredient, dish');
- }
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