/**
* {@inheritdoc}
*/
public function prepareView(array $entities_items)
{
parent::prepareView($entities_items);
// If there are no files specified at all, use the default.
foreach ($entities_items as $items) {
if ($items->isEmpty()) {
// Add the default image if one is found.
$default_image = $this->getFieldSetting('default_image');
// If we are dealing with a configurable field, look in both
// instance-level and field-level settings.
if (empty($default_image['fid']) && $this->fieldDefinition instanceof FieldInstanceConfigInterface) {
$default_image = $this->fieldDefinition->getFieldStorageDefinition()->getSetting('default_image');
}
if (!empty($default_image['fid']) && ($file = file_load($default_image['fid']))) {
$items->setValue(array(array('is_default' => TRUE, 'alt' => $default_image['alt'], 'title' => $default_image['title'], 'width' => $default_image['width'], 'height' => $default_image['height'], 'entity' => $file, 'target_id' => $file->id())));
}
}
}
}
/**
* {@inheritdoc}
*/
protected function getEntitiesToView(EntityReferenceFieldItemListInterface $items, $langcode)
{
// Add the default image if needed.
if ($items->isEmpty()) {
$default_image = $this->getFieldSetting('default_image');
// If we are dealing with a configurable field, look in both
// instance-level and field-level settings.
if (empty($default_image['uuid']) && $this->fieldDefinition instanceof FieldConfigInterface) {
$default_image = $this->fieldDefinition->getFieldStorageDefinition()->getSetting('default_image');
}
if (!empty($default_image['uuid']) && ($file = \Drupal::entityManager()->loadEntityByUuid('file', $default_image['uuid']))) {
// Clone the FieldItemList into a runtime-only object for the formatter,
// so that the fallback image can be rendered without affecting the
// field values in the entity being rendered.
$items = clone $items;
$items->setValue(array('target_id' => $file->id(), 'alt' => $default_image['alt'], 'title' => $default_image['title'], 'width' => $default_image['width'], 'height' => $default_image['height'], 'entity' => $file, '_loaded' => TRUE, '_is_default' => TRUE));
$file->_referringItem = $items[0];
}
}
return parent::getEntitiesToView($items, $langcode);
}
/**
* {@inheritdoc}
*/
protected function getEntitiesToView(EntityReferenceFieldItemListInterface $items)
{
return parent::getEntitiesToView($items);
}
