function check()
{
if (!$this->hasCheckbox) {
return parent::check();
}
$value = $this->container->data[$this->ref];
if ($value != $this->valueOnCheck && $value != $this->valueOnUncheck) {
return $this->container->errors[$this->ref] = jForms::ERRDATA_INVALID;
}
if ($value == $this->valueOnCheck) {
// the checkbox is checked, let's check children
return parent::check();
}
// the checkbox is NOT checked
return null;
}
