/**
* Adds an input element to the complete form
*
* @param stdClass $item
* @param mod_feedback_complete_form $form
*/
public function complete_form_element($item, $form)
{
$name = $this->get_display_name($item);
$inputname = $item->typ . '_' . $item->id;
if ($form->get_mode() != mod_feedback_complete_form::MODE_COMPLETE) {
$form->add_form_element($item, ['static', $inputname, $name], false, false);
} else {
$form->add_form_element($item, ['recaptcha', $inputname, $name], false, false);
}
// Add recaptcha validation to the form.
$form->add_validation_rule(function ($values, $files) use($item, $form) {
$elementname = $item->typ . '_' . $item->id;
$recaptchaelement = $form->get_form_element($elementname);
if (empty($values['recaptcha_response_field'])) {
return array($elementname => get_string('required'));
} else {
if (!empty($values['recaptcha_challenge_field'])) {
$challengefield = $values['recaptcha_challenge_field'];
$responsefield = $values['recaptcha_response_field'];
if (true !== ($result = $recaptchaelement->verify($challengefield, $responsefield))) {
return array($elementname => $result);
}
} else {
return array($elementname => get_string('missingrecaptchachallengefield'));
}
}
return true;
});
}
