EntityTestLocalTasks.php

<?php

namespace Drupal\entity_test\Plugin\Derivative;

use Drupal\Component\Plugin\Derivative\DeriverBase;

/**
 * Defines the local tasks for all the entity_test entities.
 */
class EntityTestLocalTasks extends DeriverBase {
    
    /**
     * {@inheritdoc}
     */
    public function getDerivativeDefinitions($base_plugin_definition) {
        $this->derivatives = [];
        $types = entity_test_entity_types(ENTITY_TEST_TYPES_ROUTING);
        foreach ($types as $entity_type) {
            $this->derivatives[$entity_type . '.canonical'] = [];
            $this->derivatives[$entity_type . '.canonical']['base_route'] = "entity.{$entity_type}.canonical";
            $this->derivatives[$entity_type . '.canonical']['route_name'] = "entity.{$entity_type}.canonical";
            $this->derivatives[$entity_type . '.canonical']['title'] = 'View';
            $this->derivatives[$entity_type . '.edit'] = [];
            $this->derivatives[$entity_type . '.edit']['base_route'] = "entity.{$entity_type}.canonical";
            $this->derivatives[$entity_type . '.edit']['route_name'] = "entity.{$entity_type}.edit_form";
            $this->derivatives[$entity_type . '.edit']['title'] = 'Edit';
        }
        return parent::getDerivativeDefinitions($base_plugin_definition);
    }

}