public function validate()
{
$ok_parent = parent::validate();
// Check whatever is needed
$ok = true;
return $ok_parent && $ok;
}
public function manage_actions()
{
if (!isset($_POST['action'])) {
return;
}
parent::manage_actions();
if ($_POST['action'] == 'edit_alt_content') {
if ($this->validate()) {
$this->edit_alternative_content();
}
}
}
