protected function Field::createEntityForGroupBy in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/views/src/Plugin/views/field/Field.php \Drupal\views\Plugin\views\field\Field::createEntityForGroupBy()

Creates a fake entity with grouped field values.

Parameters

\Drupal\Core\Entity\EntityInterface $entity: The entity to be processed.

\Drupal\views\ResultRow $row: The result row object containing the values.

Return value

bool|\Drupal\Core\Entity\FieldableEntityInterface Returns a new entity object containing the grouped field values.

File

core/modules/views/src/Plugin/views/field/Field.php, line 863

Contains \Drupal\views\Plugin\views\field\Field.

Class

Field

A field that displays entity field data.

Namespace

Drupal\views\Plugin\views\field

Code

protected function createEntityForGroupBy(EntityInterface $entity, ResultRow $row) {

  // Retrieve the correct translation object.
  $processed_entity = clone $this
    ->getEntityFieldRenderer()
    ->getEntityTranslation($entity, $row);

  // Copy our group fields into the cloned entity. It is possible this will
  // cause some weirdness, but there is only so much we can hope to do.
  if (!empty($this->group_fields) && isset($entity->{$this->definition['field_name']})) {

    // first, test to see if we have a base value.
    $base_value = array();

    // Note: We would copy original values here, but it can cause problems.
    // For example, text fields store cached filtered values as 'safe_value'
    // which does not appear anywhere in the field definition so we cannot
    // affect it. Other side effects could happen similarly.
    $data = FALSE;
    foreach ($this->group_fields as $field_name => $column) {
      if (property_exists($row, $this->aliases[$column])) {
        $base_value[$field_name] = $row->{$this->aliases[$column]};
        if (isset($base_value[$field_name])) {
          $data = TRUE;
        }
      }
    }

    // If any of our aggregated fields have data, fake it:
    if ($data) {

      // Now, overwrite the original value with our aggregated value.
      // This overwrites it so there is always just one entry.
      $processed_entity->{$this->definition['field_name']} = array(
        $base_value,
      );
    }
    else {
      $processed_entity->{$this->definition['field_name']} = array();
    }
  }
  return $processed_entity;
}