protected function BookManager::addParentSelectFormElements in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/modules/book/src/BookManager.php \Drupal\book\BookManager::addParentSelectFormElements()
Builds the parent selection form element for the node form or outline tab.
This function is also called when generating a new set of options during the Ajax callback, so an array is returned that can be used to replace an existing form element.
Parameters
array $book_link: A fully loaded book link that is part of the book hierarchy.
Return value
array A parent selection form element.
1 call to BookManager::addParentSelectFormElements()
- BookManager::addFormElements in core/
modules/ book/ src/ BookManager.php - Builds the common elements of the book form for the node and outline forms.
File
- core/
modules/ book/ src/ BookManager.php, line 330 - Contains \Drupal\book\BookManager.
Class
- BookManager
- Defines a book manager.
Namespace
Drupal\bookCode
protected function addParentSelectFormElements(array $book_link) {
$config = $this->configFactory
->get('book.settings');
if ($config
->get('override_parent_selector')) {
return array();
}
// Offer a message or a drop-down to choose a different parent page.
$form = array(
'#type' => 'hidden',
'#value' => -1,
'#prefix' => '<div id="edit-book-plid-wrapper">',
'#suffix' => '</div>',
);
if ($book_link['nid'] === $book_link['bid']) {
// This is a book - at the top level.
if ($book_link['original_bid'] === $book_link['bid']) {
$form['#prefix'] .= '<em>' . $this
->t('This is the top-level page in this book.') . '</em>';
}
else {
$form['#prefix'] .= '<em>' . $this
->t('This will be the top-level page in this book.') . '</em>';
}
}
elseif (!$book_link['bid']) {
$form['#prefix'] .= '<em>' . $this
->t('No book selected.') . '</em>';
}
else {
$form = array(
'#type' => 'select',
'#title' => $this
->t('Parent item'),
'#default_value' => $book_link['pid'],
'#description' => $this
->t('The parent page in the book. The maximum depth for a book and all child pages is @maxdepth. Some pages in the selected book may not be available as parents if selecting them would exceed this limit.', array(
'@maxdepth' => static::BOOK_MAX_DEPTH,
)),
'#options' => $this
->getTableOfContents($book_link['bid'], $book_link['parent_depth_limit'], array(
$book_link['nid'],
)),
'#attributes' => array(
'class' => array(
'book-title-select',
),
),
'#prefix' => '<div id="edit-book-plid-wrapper">',
'#suffix' => '</div>',
);
}
$this->renderer
->addCacheableDependency($form, $config);
return $form;
}