function TourViewBuilder::viewMultiple

Overrides EntityViewBuilder::viewMultiple

File

core/modules/tour/src/TourViewBuilder.php, line 16

Class

TourViewBuilder

Provides a Tour view builder.

Namespace

Code

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