protected function FlexiformElementField::fieldInvoke in Flexiform 7

Invoke field hooks on a specific field.

This method is the equivelant of _field_invoke. For a specific field in flexiform.

See also

_field_invoke()

2 calls to FlexiformElementField::fieldInvoke()

FlexiformElementField::fieldInvokeDefault in includes/element/field.element.inc

Invoke default field hooks on this element.

FlexiformElementField::formValidate in includes/element/field.element.inc

Validate this element.

File

includes/element/field.element.inc, line 512

Contains FlexiformElementField class.

Class

FlexiformElementField

Class for Field API elements.

Code

protected function fieldInvoke($op, $entity, &$a = NULL, &$b = NULL, $options = array()) {
  $entity_type = $this
    ->getEntityType();
  $bundle = $this->bundle;
  $default_options = array(
    'default' => FALSE,
    'deleted' => FALSE,
    'language' => NULL,
  );
  $options += $default_options;
  $return = array();
  $instance = $this
    ->getInstance();
  $field = $this
    ->getField();
  $field_name = $field['field_name'];
  $function = $options['default'] ? 'field_default_' . $op : $field['module'] . '_field_' . $op;
  if (function_exists($function)) {

    // Determine the list of languages to iterate on.
    $available_languages = field_available_languages($entity_type, $field);
    $languages = _field_language_suggestion($available_languages, $options['language'], $field_name);
    foreach ($languages as $langcode) {
      $items = isset($entity->{$field_name}[$langcode]) ? $entity->{$field_name}[$langcode] : array();
      $result = $function($entity_type, $entity, $field, $instance, $langcode, $items, $a, $b);
      if (isset($result)) {

        // For hooks with array results, we merge results together.
        // For hooks with scalar results, we collect results in an array.
        if (is_array($result)) {
          $return = array_merge($return, $result);
        }
        else {
          $return[] = $result;
        }
      }

      // Populate $items back in the field values, but avoid replacing missing
      // fields with an empty array (those are not equivalent on update).
      if ($items !== array() || isset($entity->{$field_name}[$langcode])) {
        $entity->{$field_name}[$langcode] = $items;
      }
    }
  }
  return $return;
}