function flag_contextual_links_alter in Flag 8.4

Implements hook_contextual_links_alter().

File

./flag.module, line 467

The Flag module.

Code

function flag_contextual_links_alter(array &$links, $group, array $route_parameters) {

  // Assume that $group is one of known entity types and try to load an entity
  // based on that.
  $entity_type = $group;
  if (isset($route_parameters[$entity_type]) && !is_null(\Drupal::entityTypeManager()
    ->getDefinition($entity_type, FALSE))) {
    $entity = \Drupal::entityTypeManager()
      ->getStorage($entity_type)
      ->load($route_parameters[$entity_type]);
  }
  if (!isset($entity)) {
    return;
  }

  // Get all possible flags for this entity type.
  $flag_service = \Drupal::service('flag');
  $flags = $flag_service
    ->getAllFlags($entity
    ->getEntityTypeID(), $entity
    ->bundle());
  foreach ($flags as $flag) {

    /** @var \Drupal\flag\FlagInterface $flag */

    // Do not display the flag if disabled.
    if (!$flag
      ->status()) {
      continue;
    }

    /** @var \Drupal\flag\Plugin\Flag\EntityFlagType $flag_type_plugin */
    $flag_type_plugin = $flag
      ->getFlagTypePlugin();

    // Make sure we're dealing with an entity flag type.
    if (!$flag_type_plugin instanceof EntityFlagType) {
      continue;
    }

    // Skip flags for which contextual links setting is disabled.
    if (!$flag_type_plugin
      ->showContextualLink()) {
      continue;
    }
    $flag_link = $flag
      ->getLinkTypePlugin()
      ->getAsLink($flag, $entity);
    $flag_url = $flag_link
      ->getUrl();
    $links["flag_{$flag->id()}"] = [
      'route_name' => $flag_url
        ->getRouteName(),
      'route_parameters' => $flag_url
        ->getRouteParameters(),
      'title' => $flag_link
        ->getText(),
      'localized_options' => [],
    ];
  }
}