/**
* Checks access to the node preview page.
*
* @param \Drupal\Core\Session\AccountInterface $account
* The currently logged in account.
* @param \Drupal\node\NodeInterface $node_preview
* The node that is being previewed.
*
* @return string
* A \Drupal\Core\Access\AccessInterface constant value.
*/
public function access(AccountInterface $account, NodeInterface $node_preview)
{
if ($node_preview->isNew()) {
$access_controller = $this->entityManager->getAccessControlHandler('node');
return $access_controller->createAccess($node_preview->bundle(), $account, [], TRUE);
} else {
return $node_preview->access('update', $account, TRUE);
}
}
/**
* {@inheritdoc}
*/
public function addFormElements(array $form, FormStateInterface $form_state, NodeInterface $node, AccountInterface $account, $collapsed = TRUE)
{
// If the form is being processed during the Ajax callback of our book bid
// dropdown, then $form_state will hold the value that was selected.
if ($form_state->hasValue('book')) {
$node->book = $form_state->getValue('book');
}
$form['book'] = array('#type' => 'details', '#title' => $this->t('Book outline'), '#weight' => 10, '#open' => !$collapsed, '#group' => 'advanced', '#attributes' => array('class' => array('book-outline-form')), '#attached' => array('library' => array('book/drupal.book')), '#tree' => TRUE);
foreach (array('nid', 'has_children', 'original_bid', 'parent_depth_limit') as $key) {
$form['book'][$key] = array('#type' => 'value', '#value' => $node->book[$key]);
}
$form['book']['pid'] = $this->addParentSelectFormElements($node->book);
// @see \Drupal\book\Form\BookAdminEditForm::bookAdminTableTree(). The
// weight may be larger than 15.
$form['book']['weight'] = array('#type' => 'weight', '#title' => $this->t('Weight'), '#default_value' => $node->book['weight'], '#delta' => max(15, abs($node->book['weight'])), '#weight' => 5, '#description' => $this->t('Pages at a given level are ordered first by weight and then by title.'));
$options = array();
$nid = !$node->isNew() ? $node->id() : 'new';
if ($node->id() && $nid == $node->book['original_bid'] && $node->book['parent_depth_limit'] == 0) {
// This is the top level node in a maximum depth book and thus cannot be
// moved.
$options[$node->id()] = $node->label();
} else {
foreach ($this->getAllBooks() as $book) {
$options[$book['nid']] = $book['title'];
}
}
if ($account->hasPermission('create new books') && ($nid == 'new' || $nid != $node->book['original_bid'])) {
// The node can become a new book, if it is not one already.
$options = array($nid => $this->t('- Create a new book -')) + $options;
}
if (!$node->book['bid']) {
// The node is not currently in the hierarchy.
$options = array(0 => $this->t('- None -')) + $options;
}
// Add a drop-down to select the destination book.
$form['book']['bid'] = array('#type' => 'select', '#title' => $this->t('Book'), '#default_value' => $node->book['bid'], '#options' => $options, '#access' => (bool) $options, '#description' => $this->t('Your page will be a part of the selected book.'), '#weight' => -5, '#attributes' => array('class' => array('book-title-select')), '#ajax' => array('callback' => 'book_form_update', 'wrapper' => 'edit-book-plid-wrapper', 'effect' => 'fade', 'speed' => 'fast'));
return $form;
}
/**
* Retrieve the initial state value of the entity.
*
* The state_machine module uses a protected property called initialValue to
* get the initial state which is inaccessible. During an entity update, the
* typedDataManager attempts to validate the field but the constraint again
* calls for the Guard to check the allowed states.
* The issue is that the entity object already carries the new value
* at this point, so it attempts to check a to_state to to_state transition.
* In order to check the initial value, we get the unchanged version of the
* object from the database.
*
* @param \Drupal\node\NodeInterface $entity
* The node entity.
*
* @return string
* The machine name value of the state.
*
* @see https://www.drupal.org/node/2745673
*/
protected function getState(NodeInterface $entity)
{
if ($entity->isNew()) {
return $entity->field_news_state->first()->value;
} else {
$unchanged_entity = \Drupal::entityTypeManager()->getStorage('node')->loadUnchanged($entity->id());
return $unchanged_entity->field_news_state->first()->value;
}
}
/**
* {@inheritdoc}
*/
public function createIndex(NodeInterface $node)
{
$query = $this->database->insert('forum_index')->fields(array('nid', 'title', 'tid', 'sticky', 'created', 'comment_count', 'last_comment_timestamp'));
foreach ($node->getTranslationLanguages() as $langcode => $language) {
$translation = $node->getTranslation($langcode);
foreach ($translation->taxonomy_forums as $item) {
$query->values(array('nid' => $node->id(), 'title' => $translation->label(), 'tid' => $item->target_id, 'sticky' => (int) $node->isSticky(), 'created' => $node->getCreatedTime(), 'comment_count' => 0, 'last_comment_timestamp' => $node->getCreatedTime()));
}
}
$query->execute();
// The logic for determining last_comment_count is fairly complex, so
// update the index too.
if ($node->isNew()) {
$this->updateIndex($node);
}
}
