quick_clone-8.x-1.x-dev/quick_clone.module

<?php

/**
 * @file
 * Contains quick_clone.module.
 */

use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Url;
use Drupal\node\Entity\Node;

/**
 * Implements hook_help().
 */
function quick_clone_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the quick_clone module.
    case 'help.page.quick_clone':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Module which allow cloning nodes with paragraphs fields') . '</p>';
      return $output;

    default:
  }
}

/**
 * Helping function.
 *
 * @param \Drupal\Core\Entity\EntityInterface $entity
 *   Entity which will be linked for cloning.
 *
 * @return array
 *   An operations array as returned by
 *   EntityListBuilderInterface::getOperations().
 *
 * @see \Drupal\Core\Entity\EntityListBuilderInterface::getOperations()
 */
function quick_clone_entity_operation(EntityInterface $entity) {

  $operations = [];

  if ($entity instanceof Node) {
    $operations['clone'] = [
      'title' => t('Clone'),
      'url' => Url::fromRoute('quick_clone', ['id' => $entity->id()]),
      'weight' => 150,
    ];
  }

  return $operations;
}

/**
 * Implements hook_menu_local_tasks_alter().
 */
function quick_clone_menu_local_tasks_alter(&$data, $route_name) {
  /** @var Drupal\node\Entity\Node $node */
  $node = \Drupal::routeMatch()->getParameter('node');
  if ($node && $node instanceof Node) {
    if ((strpos($route_name, 'entity.node.edit_form') === 0) || (strpos($route_name, 'entity.node.canonical') === 0)) {
      $data['tabs'][0]['entity.node.quick_clone'] = [
        '#theme' => 'menu_local_task',
        '#link' => [
          'title' => t('Clone'),
          'url' => Url::fromRoute('quick_clone', ['id' => $node->id()]),
        ],
      ];
    }
  }
}