function BookNavigationBlock::blockForm

Overrides \Drupal\block\BlockBase::blockForm()

Overrides BlockBase::blockForm

File

drupal/core/modules/book/lib/Drupal/book/Plugin/Block/BookNavigationBlock.php, line 38

Contains \Drupal\book\Plugin\Block\BookNavigationBlock.

Class

BookNavigationBlock

Provides a 'Book navigation' block.

Namespace

Code

function blockForm($form, &$form_state) {
  $options = array(
    'all pages' => t('Show block on all pages'),
    'book pages' => t('Show block only on book pages'),
  );
  $form['book_block_mode'] = array(
    '#type' => 'radios',
    '#title' => t('Book navigation block display'),
    '#options' => $options,
    '#default_value' => $this->configuration['block_mode'],
    '#description' => t("If <em>Show block on all pages</em> is selected, the block will contain the automatically generated menus for all of the site's books. If <em>Show block only on book pages</em> is selected, the block will contain only the one menu corresponding to the current page's book. In this case, if the current page is not in a book, no block will be displayed. The <em>Page specific visibility settings</em> or other visibility settings can be used in addition to selectively display this block."),
  );
  return $form;
}