Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\tour;
Chris@0: 
Chris@0: use Drupal\Core\Entity\EntityViewBuilder;
Chris@0: use Drupal\Component\Utility\Html;
Chris@0: 
Chris@0: /**
Chris@0:  * Provides a Tour view builder.
Chris@0:  */
Chris@0: class TourViewBuilder extends EntityViewBuilder {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function viewMultiple(array $entities = [], $view_mode = 'full', $langcode = NULL) {
Chris@0:     /** @var \Drupal\tour\TourInterface[] $entities */
Chris@0:     $build = [];
Chris@0:     foreach ($entities as $entity_id => $entity) {
Chris@0:       $tips = $entity->getTips();
Chris@0:       $count = count($tips);
Chris@0:       $list_items = [];
Chris@0:       foreach ($tips as $index => $tip) {
Chris@0:         if ($output = $tip->getOutput()) {
Chris@0:           $attributes = [
Chris@0:             'class' => [
Chris@0:               'tip-module-' . Html::cleanCssIdentifier($entity->getModule()),
Chris@0:               'tip-type-' . Html::cleanCssIdentifier($tip->getPluginId()),
Chris@0:               'tip-' . Html::cleanCssIdentifier($tip->id()),
Chris@0:             ],
Chris@0:           ];
Chris@0:           $list_items[] = [
Chris@0:             'output' => $output,
Chris@0:             'counter' => [
Chris@0:               '#type' => 'container',
Chris@0:               '#attributes' => [
Chris@0:                 'class' => [
Chris@0:                   'tour-progress',
Chris@0:                 ],
Chris@0:               ],
Chris@0:               '#children' => t('@tour_item of @total', ['@tour_item' => $index + 1, '@total' => $count]),
Chris@0:             ],
Chris@0:             '#wrapper_attributes' => $tip->getAttributes() + $attributes,
Chris@0:           ];
Chris@0:         }
Chris@0:       }
Chris@0:       // If there is at least one tour item, build the tour.
Chris@0:       if ($list_items) {
Chris@0:         end($list_items);
Chris@0:         $key = key($list_items);
Chris@0:         $list_items[$key]['#wrapper_attributes']['data-text'] = t('End tour');
Chris@0:         $build[$entity_id] = [
Chris@0:           '#theme' => 'item_list',
Chris@0:           '#items' => $list_items,
Chris@0:           '#list_type' => 'ol',
Chris@0:           '#attributes' => [
Chris@0:             'id' => 'tour',
Chris@0:             'class' => [
Chris@0:               'hidden',
Chris@0:             ],
Chris@0:           ],
Chris@0:           '#cache' => [
Chris@0:             'tags' => $entity->getCacheTags(),
Chris@0:           ],
Chris@0:         ];
Chris@0:       }
Chris@0:     }
Chris@0:     // If at least one tour was built, attach the tour library.
Chris@0:     if ($build) {
Chris@0:       $build['#attached']['library'][] = 'tour/tour';
Chris@0:     }
Chris@0:     return $build;
Chris@0:   }
Chris@0: 
Chris@0: }