/**
* Provides the field collection item submission form.
*
* @param \Drupal\field_collection\Entity\FieldCollection $field_collection
* The field_collection entity for the field collection item.
*
* @param $host_type
* The type of the entity hosting the field collection item.
*
* @param $host_id
* The id of the entity hosting the field collection item.
*
* @return array
* A field collection item submission form.
*
* TODO: additional fields
*/
public function add(FieldCollection $field_collection, $host_type, $host_id)
{
$host = entity_load($host_type, $host_id);
if (_field_collection_field_item_list_full($host->{$field_collection->id()})) {
drupal_set_message(t('This field is already full.'), 'error');
return array('#markup' => 'Can not add to an already full field.');
} else {
$field_collection_item = $this->entityManager()->getStorage('field_collection_item')->create(array('field_name' => $field_collection->id(), 'host_type' => $host_type, 'revision_id' => 0));
$form = $this->entityFormBuilder()->getForm($field_collection_item);
return $form;
}
}
/**
* {@inheritdoc}
*/
public function setHostEntity($entity, $create_link = TRUE)
{
if ($this->isNew()) {
$this->host_type = $entity->getEntityTypeId();
$this->host_id = $entity->id();
$this->host_entity = $entity;
// If the host entity is not saved yet, set the id to FALSE. So
// fetchHostDetails() does not try to load the host entity details.
if (!isset($this->host_id)) {
$this->host_id = FALSE;
}
/*
// We are create a new field collection for a non-default entity, thus
// set archived to TRUE.
if (!entity_revision_is_default($entity_type, $entity)) {
$this->hostEntityId = FALSE;
$this->archived = TRUE;
}
*/
// Add the field collection item to its host.
if ($create_link) {
if (_field_collection_field_item_list_full($entity->{$this->bundle()})) {
drupal_set_message(t('Field is already full.'), 'error');
} else {
$entity->{$this->bundle()}[] = array('field_collection_item' => $this);
$entity->save();
}
}
} else {
throw new \Exception(t('The host entity may be set only during creation of a field collection item.'));
}
}
