public function H5PDefaultFormatter::viewElements in Opigno module 8

Same name and namespace in other branches

1. 3.x ActivityTypes/opigno_h5p/src/Plugin/Field/FieldFormatter/H5PDefaultFormatter.php \Drupal\opigno_h5p\Plugin\Field\FieldFormatter\H5PDefaultFormatter::viewElements()

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides FormatterInterface::viewElements

File

ActivityTypes/opigno_h5p/src/Plugin/Field/FieldFormatter/H5PDefaultFormatter.php, line 40

Class

H5PDefaultFormatter

Plugin implementation of the 'h5p_default' formatter.

Namespace

Drupal\opigno_h5p\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $element = [];
  $moduleHandler = \Drupal::service('module_handler');
  foreach ($items as $delta => $item) {
    $value = $item
      ->getValue();

    // Load H5P Content entity.
    $h5p_content = H5PContent::load($value['h5p_content_id']);
    if (empty($h5p_content)) {
      continue;
    }

    // Grab generic integration settings.
    $h5p_integration = H5PDrupal::getGenericH5PIntegrationSettings();

    // Add content specific settings.
    $content_id_string = 'cid-' . $h5p_content
      ->id();
    $h5p_integration['contents'][$content_id_string] = $h5p_content
      ->getH5PIntegrationSettings($item
      ->getEntity()
      ->access('update'));
    $core = H5PDrupal::getInstance('core');
    $preloaded_dependencies = $core
      ->loadContentDependencies($h5p_content
      ->id(), 'preloaded');

    // Load dependencies.
    $files = $core
      ->getDependenciesFiles($preloaded_dependencies, H5PDrupal::getRelativeH5PPath());
    $loadpackages = [
      'h5p/h5p.content',
    ];

    // Load dependencies.
    foreach ($preloaded_dependencies as $dependency) {
      $loadpackages[] = 'h5p/' . _h5p_library_machine_to_id($dependency);
    }

    // Add alter hooks.
    $moduleHandler
      ->alter('h5p_scripts', $files['scripts'], $loadpackages, $h5p_content
      ->getLibrary()->embed_types);
    $moduleHandler
      ->alter('h5p_styles', $files['styles'], $loadpackages, $h5p_content
      ->getLibrary()->embed_types);

    // Render always in Div.
    $html = '<div class="h5p-content" data-content-id="' . $h5p_content
      ->id() . '"></div>';
    $current_route = \Drupal::routeMatch()
      ->getRouteName();
    if (in_array($current_route, [
      'opigno_module.group.answer_form',
      'opigno_module.manager.get_activity_preview',
    ])) {

      // Remove preselected values from the last answer for H5P answer form.
      $h5p_integration['contents'][$content_id_string]['contentUserData'] = [
        0 => [
          'state' => '{}',
        ],
      ];
    }

    // Render each element as markup.
    $element[$delta] = [
      '#type' => 'markup',
      '#markup' => $html,
      '#allowed_tags' => [
        'div',
        'iframe',
      ],
      '#attached' => [
        'drupalSettings' => [
          'h5p' => [
            'H5PIntegration' => $h5p_integration,
          ],
        ],
        'library' => $loadpackages,
      ],
      '#cache' => [
        'tags' => [
          'h5p_content:' . $h5p_content
            ->id(),
          'h5p_content',
        ],
      ],
    ];
  }
  return $element;
}