function field_collection_entity_preload in Field collection 7

1 call to field_collection_entity_preload()

field_collection_field_formatter_prepare_view in ./field_collection.module

File

./field_collection.module, line 967

Module implementing field collection field type.

Code

function field_collection_entity_preload($entities, $langcode, &$items, $fields) {
  static $local_entity_cache = array();
  $fc_ids = array();
  $new_items = array();

  // Collect every possible term attached to any of the fieldable entities.
  foreach ($entities as $id => $entity) {
    foreach ($items[$id] as $delta => $item) {

      // Check if the entity already exists.
      if (isset($item['entity'])) {
        continue;
      }

      // Check if this item is in our local entity cache.
      if (isset($local_entity_cache[$item['value']])) {
        $items[$id][$delta]['field_collection'] = $local_entity_cache[$item['value']];
        continue;
      }

      // Force the array key to prevent duplicates.
      $fc_ids[$item['value']] = $item['value'];
    }
  }
  if ($fc_ids) {
    $new_entities = array();
    $terms = field_collection_item_load_multiple($fc_ids);
    $new_items = $items;

    // Iterate through the fieldable entities again to attach the loaded
    // field collection data.
    foreach ($entities as $id => $entity) {
      $rekey = FALSE;
      foreach ($items[$id] as $delta => $item) {

        // Check whether the field collection field instance value could be
        // loaded.
        if (isset($terms[$item['value']])) {

          // Replace the instance value with the term data.
          $e = $terms[$item['value']];
          $local_entity_cache[$item['value']] = $e;
          $items[$id][$delta]['field_collection'] = $e;
          foreach ($fields as $field_name => $field) {
            if (isset($e->{$field_name})) {
              $field_data = $e->{$field_name};
              if (isset($field_data[$langcode])) {
                $new_entities[$e->item_id] = $e->item_id;
                $new_items[$e->item_id] = $field_data[$langcode];
              }
            }
          }
        }
        elseif (!isset($items[$id][$delta]['field_collection'])) {
          unset($new_items[$id][$delta]);
          $rekey = TRUE;
        }
      }
      if ($rekey && $new_items) {

        // Rekey the items array.
        $new_items[$id] = array_values($new_items[$id]);
      }
    }
    field_collection_entity_preload($new_entities, $langcode, $new_items, $fields);
  }
}