public function getTableFields()
{
$fields = parent::getTableFields();
// create Groups field
$fields['groups'] = $groups = new \Meta\Field\CheckboxMulti(array('name' => 'groups', 'label' => t('Groups'), 'options' => \User\User::listAllGroups()));
if (isset($_GET['id'])) {
$user = new \User\User($_GET['id']);
$groups->setValue(array_keys($user->groups));
}
return $fields;
}
