/**
* {@inheritDoc}
*/
public function getLabel()
{
if (null === $this->label) {
$fields = $this->getFields();
if (1 == count($fields)) {
$field = current(array_keys($fields));
switch ($field) {
case 'identity':
$this->label = __('Username');
break;
case 'email':
$this->label = __('Email');
break;
default:
$this->label = __('Identity');
break;
}
} else {
$this->label = __('Identity');
}
}
return parent::getLabel();
}
