protected function BookAdminEditForm::bookAdminTableTree

Helps build the main table in the book administration page form.

Parameters

array $tree: A subtree of the book menu hierarchy.

array $form: The form that is being modified, passed by reference.

See also

self::buildForm()

File

core/modules/book/src/Form/BookAdminEditForm.php, line 213

Class

BookAdminEditForm

Provides a form for administering a single book's hierarchy.

Namespace

Code

protected function bookAdminTableTree(array $tree, array &$form) {

  // The delta must be big enough to give each node a distinct value.
  $count = count($tree);
  $delta = $count < 30 ? 15 : intval($count / 2) + 1;
  $access = \Drupal::currentUser()
    ->hasPermission('administer nodes');
  $destination = $this
    ->getDestinationArray();
  foreach ($tree as $data) {
    $nid = $data['link']['nid'];
    $id = 'book-admin-' . $nid;
    $form[$id]['#item'] = $data['link'];
    $form[$id]['#nid'] = $nid;
    $form[$id]['#attributes']['class'][] = 'draggable';
    $form[$id]['#weight'] = $data['link']['weight'];
    if (isset($data['link']['depth']) && $data['link']['depth'] > 2) {
      $indentation = [
        '#theme' => 'indentation',
        '#size' => $data['link']['depth'] - 2,
      ];
    }
    $form[$id]['title'] = [
      '#prefix' => !empty($indentation) ? \Drupal::service('renderer')
        ->render($indentation) : '',
      '#type' => 'textfield',
      '#default_value' => $data['link']['title'],
      '#maxlength' => 255,
      '#size' => 40,
    ];
    $form[$id]['weight'] = [
      '#type' => 'weight',
      '#default_value' => $data['link']['weight'],
      '#delta' => max($delta, abs($data['link']['weight'])),
      '#title' => $this
        ->t('Weight for @title', [
        '@title' => $data['link']['title'],
      ]),
      '#title_display' => 'invisible',
      '#attributes' => [
        'class' => [
          'book-weight',
        ],
      ],
    ];
    $form[$id]['parent']['nid'] = [
      '#parents' => [
        'table',
        $id,
        'nid',
      ],
      '#type' => 'hidden',
      '#value' => $nid,
      '#attributes' => [
        'class' => [
          'book-nid',
        ],
      ],
    ];
    $form[$id]['parent']['pid'] = [
      '#parents' => [
        'table',
        $id,
        'pid',
      ],
      '#type' => 'hidden',
      '#default_value' => $data['link']['pid'],
      '#attributes' => [
        'class' => [
          'book-pid',
        ],
      ],
    ];
    $form[$id]['parent']['bid'] = [
      '#parents' => [
        'table',
        $id,
        'bid',
      ],
      '#type' => 'hidden',
      '#default_value' => $data['link']['bid'],
      '#attributes' => [
        'class' => [
          'book-bid',
        ],
      ],
    ];
    $form[$id]['operations'] = [
      '#type' => 'operations',
    ];
    $form[$id]['operations']['#links']['view'] = [
      'title' => $this
        ->t('View'),
      'url' => new Url('entity.node.canonical', [
        'node' => $nid,
      ]),
    ];
    if ($access) {
      $form[$id]['operations']['#links']['edit'] = [
        'title' => $this
          ->t('Edit'),
        'url' => new Url('entity.node.edit_form', [
          'node' => $nid,
        ]),
        'query' => $destination,
      ];
      $form[$id]['operations']['#links']['delete'] = [
        'title' => $this
          ->t('Delete'),
        'url' => new Url('entity.node.delete_form', [
          'node' => $nid,
        ]),
        'query' => $destination,
      ];
    }
    if ($data['below']) {
      $this
        ->bookAdminTableTree($data['below'], $form);
    }
  }
}