/**
* Renders validation errors (per form or per control).
* @param IFormControl
* @return string
*/
public function renderErrors(IFormControl $control = NULL)
{
$errors = $control === NULL ? $this->form->getErrors() : $control->getErrors();
if (count($errors)) {
$ul = $this->getWrapper('error container');
$li = $this->getWrapper('error item');
foreach ($errors as $error) {
$item = clone $li;
if ($error instanceof Html) {
$item->add($error);
} else {
$item->setText($error);
}
$ul->add($item);
}
return "\n" . $ul->render(0);
}
}