Chris@0: <?php
Chris@0: 
Chris@0: /**
Chris@0:  * @file
Chris@0:  * Functions to support theming in the Umami theme.
Chris@0:  */
Chris@0: 
Chris@0: use Drupal\Component\Utility\Html;
Chris@0: use Drupal\Core\Form\FormStateInterface;
Chris@5: use Drupal\search\SearchPageInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_preprocess_HOOK() for HTML document templates.
Chris@0:  *
Chris@0:  * Adds body classes if certain regions have content.
Chris@0:  */
Chris@0: function umami_preprocess_html(&$variables) {
Chris@0:   // Add a sidebar class if the sidebar has content in it.
Chris@0:   if (!empty($variables['page']['sidebar'])) {
Chris@0:     $variables['attributes']['class'][] = 'two-columns';
Chris@0:     $variables['#attached']['library'][] = 'umami/two-columns';
Chris@0:   }
Chris@0:   else {
Chris@0:     $variables['attributes']['class'][] = 'one-column';
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_preprocess_field().
Chris@0:  */
Chris@0: function umami_preprocess_field(&$variables, $hook) {
Chris@0:   $element = $variables['element'];
Chris@0:   // Add class to label and items fields to be styled using the meta styles.
Chris@0:   if (isset($element['#field_name'])) {
Chris@0:     if (
Chris@0:       $element['#field_name'] == 'field_recipe_category' ||
Chris@0:       $element['#field_name'] == 'field_tags' ||
Chris@0:       $element['#field_name'] == 'field_difficulty') {
Chris@0:       $variables['attributes']['class'] = 'label-items';
Chris@0:     }
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_preprocess_block().
Chris@0:  */
Chris@0: function umami_preprocess_block(&$variables) {
Chris@0:   $variables['title_attributes']['class'][] = 'block__title';
Chris@0:   // Add a class indicating the custom block bundle.
Chris@0:   if (isset($variables['elements']['content']['#block_content'])) {
Chris@0:     $variables['attributes']['class'][] = Html::getClass('block-type-' . $variables['elements']['content']['#block_content']->bundle());
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_theme_suggestions_HOOK_alter() for form templates.
Chris@0:  */
Chris@0: function umami_theme_suggestions_block_alter(array &$suggestions, array $variables) {
Chris@0:   // Block suggestions for custom block bundles.
Chris@0:   if (isset($variables['elements']['content']['#block_content'])) {
Chris@0:     array_splice($suggestions, 1, 0, 'block__bundle__' . $variables['elements']['content']['#block_content']->bundle());
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_preprocess_breadcrumb().
Chris@0:  */
Chris@0: function umami_preprocess_breadcrumb(&$variables) {
Chris@0:   // We are creating a variable for the Current Page Title, to allow us to print
Chris@0:   // it after the breadcrumbs loop has run.
Chris@5:   $route_match = \Drupal::routeMatch();
Chris@5:   // Search page titles aren't resolved using the title_resolver service - it
Chris@5:   // will always return 'Search' instead of 'Search for [term]', which would
Chris@5:   // give us a breadcrumb of Home >> Search >> Search.
Chris@5:   // @todo Revisit after https://www.drupal.org/project/drupal/issues/2359901
Chris@5:   // @todo Revisit after https://www.drupal.org/project/drupal/issues/2403359
Chris@5:   $entity = $route_match->getParameter('entity');
Chris@5:   if ($entity instanceof SearchPageInterface) {
Chris@5:     $variables['current_page_title'] = $entity->getPlugin()->suggestedTitle();
Chris@5:   }
Chris@5:   else {
Chris@5:     $variables['current_page_title'] = \Drupal::service('title_resolver')->getTitle(\Drupal::request(), $route_match->getRouteObject());
Chris@0:   }
Chris@0:   // Since we are printing the 'Current Page Title', add the URL cache context.
Chris@0:   // If we don't, then we might end up with something like
Chris@0:   // "Home > Articles" on the Recipes page, which should read "Home > Recipes".
Chris@0:   $variables['#cache']['contexts'][] = 'url';
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_form_FORM_ID_alter().
Chris@0:  */
Chris@0: function umami_form_search_block_form_alter(&$form, FormStateInterface $form_state) {
Chris@0:   $form['keys']['#attributes']['placeholder'] = t('Search by keyword, ingredient, dish');
Chris@0: }