/**
* {@inheritdoc}
*
* TODO: Use $langcode.
*/
public function viewElements(FieldItemListInterface $items, $langcode)
{
$element = array();
$settings = $this->getFieldSettings();
$count = 0;
// TODO: Is there a better way to get an accurate count of the
// items from the FieldItemList that doesn't count blank items?
// Possibly \Countable->count()?
foreach ($items as $delta => $item) {
if ($item->value !== NULL) {
$count++;
$field_collection_item = field_collection_item_revision_load($item->revision_id);
if ($field_collection_item->isDefaultRevision()) {
$links = \Drupal::l($this->fieldDefinition->getName() . ' ' . $delta, Url::FromRoute('entity.field_collection_item.canonical', array('field_collection_item' => $item->value)));
$links .= ' ' . $this->getEditLinks($item);
} else {
$links = \Drupal::l($this->fieldDefinition->getName() . ' ' . $delta, Url::FromRoute('field_collection_item.revision_show', array('field_collection_item' => $item->value, 'field_collection_item_revision' => $item->revision_id)));
}
$element[$delta] = array('#markup' => $links);
}
}
$cardinality = $this->fieldDefinition->getFieldStorageDefinition()->getCardinality();
if ($cardinality == -1 || $count < $cardinality) {
$element['#suffix'] = '<ul class="action-links action-links-field-collection-add"><li>';
$element['#suffix'] .= $this->getAddLink($items->getEntity());
$element['#suffix'] .= '</li></ul>';
}
return $element;
}
/**
* Checks operation access on the field collection item's host's revisions.
*
* @param \Drupal\Core\Session\AccountInterface $account
* The currently logged in account.
*
* TODO: Document params
*
* @return string
* A \Drupal\Core\Access\AccessInterface constant value.
*/
public function access(Route $route, AccountInterface $account, $field_collection_item_revision = NULL, FieldCollectionItem $field_collection_item = NULL)
{
if ($field_collection_item_revision) {
$field_collection_item = field_collection_item_revision_load($field_collection_item_revision);
}
$operation = $route->getRequirement('_access_field_collection_item_host_revisions');
$host = $field_collection_item->getHost();
if ($host->getEntityType()->id() == 'node') {
return AccessResult::allowedIf($account->hasPermission($operation . ' ' . $host->getType() . ' revisions'));
} else {
if ($host->getEntityType()->id() == 'field_collection_item') {
return $this->access($route, $account, $host->revision_id, $host);
} else {
return AccessResult::allowedIf($field_collection_item && $field_collection_item->getHost()->access($operation, $account))->cachePerPermissions();
}
}
}
public function getFieldCollectionItem($create = FALSE)
{
if (isset($this->field_collection_item)) {
return $this->field_collection_item;
} elseif (isset($this->value)) {
// By default always load the default revision, so caches get used.
$field_collection_item = field_collection_item_load($this->value);
if ($field_collection_item !== NULL && $field_collection_item->getRevisionId() != $this->revision_id) {
// A non-default revision is a referenced, so load this one.
$field_collection_item = field_collection_item_revision_load($this->revision_id);
}
return $field_collection_item;
} elseif ($create) {
$field_collection_item = entity_create('field_collection_item', array('field_name' => $this->getFieldDefinition()->getName()));
// TODO: Uncomment or delete
/*
$field_collection_item->setHostEntity($this->getEntity(), FALSE);
*/
return $field_collection_item;
}
return FALSE;
}
