function redirect_form_node_form_alter in Redirect 8

Same name and namespace in other branches

1. 7.2 redirect.module \redirect_form_node_form_alter()
2. 7 redirect.module \redirect_form_node_form_alter()

Implements hook_form_node_form_alter().

File

./redirect.module, line 298

The redirect module.

Code

function redirect_form_node_form_alter(&$form, FormStateInterface $form_state, $form_id) {

  /** @var \Drupal\node\NodeInterface $node */
  $node = $form_state
    ->getFormObject()
    ->getEntity();
  if (!$node
    ->isNew() && \Drupal::currentUser()
    ->hasPermission('administer redirects')) {
    $nid = $node
      ->id();

    // Find redirects to this node.
    $redirects = \Drupal::service('redirect.repository')
      ->findByDestinationUri([
      "internal:/node/{$nid}",
      "entity:node/{$nid}",
    ]);

    // Assemble the rows for the table.
    $rows = [];

    /** @var \Drupal\Core\Entity\EntityListBuilder $list_builder */
    $list_builder = \Drupal::service('entity_type.manager')
      ->getListBuilder('redirect');

    /** @var \Drupal\redirect\Entity\Redirect[] $redirects */
    foreach ($redirects as $redirect) {
      $row = [];
      $path = $redirect
        ->getSourcePathWithQuery();
      $row['path'] = [
        'class' => [
          'redirect-table__path',
        ],
        'data' => [
          '#plain_text' => $path,
        ],
        'title' => $path,
      ];
      $row['operations'] = [
        'data' => [
          '#type' => 'operations',
          '#links' => $list_builder
            ->getOperations($redirect),
        ],
      ];
      $rows[] = $row;
    }

    // Add the list to the vertical tabs section of the form.
    $header = [
      [
        'class' => [
          'redirect-table__path',
        ],
        'data' => t('From'),
      ],
      [
        'class' => [
          'redirect-table__operations',
        ],
        'data' => t('Operations'),
      ],
    ];
    $form['url_redirects'] = [
      '#type' => 'details',
      '#title' => t('URL redirects'),
      '#group' => 'advanced',
      '#open' => FALSE,
      'table' => [
        '#type' => 'table',
        '#header' => $header,
        '#rows' => $rows,
        '#empty' => t('No URL redirects available.'),
        '#attributes' => [
          'class' => [
            'redirect-table',
          ],
        ],
      ],
      '#attached' => [
        'library' => [
          'redirect/drupal.redirect.admin',
        ],
      ],
    ];
    if (!empty($rows)) {
      $form['url_redirects']['warning'] = [
        '#markup' => t('Note: links open in the current window.'),
        '#prefix' => '<p>',
        '#suffix' => '</p>',
      ];
    }
    $form['url_redirects']['actions'] = [
      '#theme' => 'links',
      '#links' => [],
      '#attributes' => [
        'class' => [
          'action-links',
        ],
      ],
    ];
    $form['url_redirects']['actions']['#links']['add'] = [
      'title' => t('Add URL redirect'),
      'url' => Url::fromRoute('redirect.add', [
        'redirect' => $node
          ->toUrl()
          ->getInternalPath(),
        'destination' => \Drupal::destination()
          ->get(),
      ]),
      'attributes' => [
        'class' => 'button',
        'target' => '_blank',
      ],
    ];
  }
}