public function ViewsReferenceItem::isEmpty in Views Reference Field 8.2

Same name and namespace in other branches

1. 8 src/Plugin/Field/FieldType/ViewsReferenceItem.php \Drupal\viewsreference\Plugin\Field\FieldType\ViewsReferenceItem::isEmpty()

Determines whether the data structure is empty.

Return value

bool TRUE if the data structure is empty, FALSE otherwise.

Overrides EntityReferenceItem::isEmpty

File

src/Plugin/Field/FieldType/ViewsReferenceItem.php, line 185

Class

ViewsReferenceItem

Defines the 'viewsreference' entity field type.

Namespace

Drupal\viewsreference\Plugin\Field\FieldType

Code

public function isEmpty() {

  // Avoid loading the entity by first checking the 'display_id'.
  if ($this->display_id === NULL || $this->display_id == '') {
    return TRUE;
  }
  return parent::isEmpty();
}