public function FieldCollectionItemEntity::delta in Field collection 7

Determines the $delta of the reference pointing to this field collection item.

5 calls to FieldCollectionItemEntity::delta()

FieldCollectionItemEntity::defaultLabel in ./field_collection.entity.inc

Specifies the default label, which is picked up by label() by default.

FieldCollectionItemEntity::deleteHostEntityReference in ./field_collection.entity.inc

Deletes the host entity's reference of the field collection item.

FieldCollectionItemEntity::langcode in ./field_collection.entity.inc

Determines the language code under which the item is stored.

FieldCollectionItemEntity::save in ./field_collection.entity.inc

Save the field collection item.

FieldCollectionItemEntity::updateHostEntity in ./field_collection.entity.inc

Updates the wrapped host entity object.

File

./field_collection.entity.inc, line 377

Class

FieldCollectionItemEntity

Class for field_collection_item entities.

Code

public function delta() {
  if (($entity = $this
    ->hostEntity()) && isset($entity->{$this->field_name})) {
    foreach ($entity->{$this->field_name} as $langcode => &$data) {
      if (!empty($data)) {
        foreach ($data as $delta => $item) {
          if (isset($item['value']) && $item['value'] == $this->item_id) {
            $this->langcode = $langcode;
            return $delta;
          }
          if (isset($item['entity']) && $item['entity'] === $this) {
            $this->langcode = $langcode;
            return $delta;
          }
        }
      }
    }

    // If we don't find the delta in the current values (cause the item
    // is being deleted, for example), we search the delta in the originalcontent.
    if (!empty($entity->original)) {
      foreach ($entity->original->{$this->field_name} as $langcode => &$data) {
        if (!empty($data)) {
          foreach ($data as $delta => $item) {
            if (isset($item['value']) && $item['value'] == $this->item_id) {
              $this->langcode = $langcode;
              return $delta;
            }
            if (isset($item['entity']) && $item['entity'] === $this) {
              $this->langcode = $langcode;
              return $delta;
            }
          }
        }
      }
    }
  }
}