Entity Construction Kit - implement hook_field_extra_fields()

gistfile1.txt

function eck_field_extra_fields() {
  $extra_fields = array();

  foreach (EntityType::loadAll() as $type) {
    $entity_type =& $extra_fields[$type->name];
    $entity_type = array();

    foreach (Bundle::loadByEntityType($type) as $bundle) {
      $fields =& $entity_type[$bundle->name];
      $fields = array();

      foreach ($type->properties as $name => $info) {
        if (eck_property_behavior_implements($type, $name, 'default_widget')) {
          $fields['form'][$name] = array(
            'label' => $info['label'],
            'description' => t('Property "@name"', array('@name' => $name)),
            'weight' => 0,
          );
        }
        if (eck_property_behavior_implements($type, $name, 'default_formatter')) {
          $fields['display'][$name] = array(
            'label' => $info['label'],
            'description' => t('Property "@name"', array('@name' => $name)),
            'weight' => 0,
          );
        }
      }
    }
  }

  return $extra_fields;
}