function VersionHistoryLocalTasks::getDerivativeDefinitions

Overrides DeriverBase::getDerivativeDefinitions

File

core/lib/Drupal/Core/Entity/Plugin/Derivative/VersionHistoryLocalTasks.php, line 38

Class

VersionHistoryLocalTasks

Provides version history local tasks for revisionable entities.

Namespace

Code

public function getDerivativeDefinitions($base_plugin_definition) {
  $this->derivatives = [];
  foreach ($this->entityTypeManager
    ->getDefinitions() as $entity_type_id => $entity_type) {
    if (!$entity_type->hasLinkTemplate('version-history')) {
      continue;
    }
    $this->derivatives["{$entity_type_id}.version_history"] = [
      'route_name' => "entity.{$entity_type_id}.version_history",
      'base_route' => "entity.{$entity_type_id}.canonical",
    ] + $base_plugin_definition;
  }
  return parent::getDerivativeDefinitions($base_plugin_definition);
}