/**
* entrywarnings
*
* @param xxx $hotpot
* @return xxx
*/
public function entrywarnings($hotpot)
{
$warnings = array();
$canstart = true;
if (!$hotpot->can_preview()) {
if ($error = $hotpot->require_subnet()) {
// IP-address is not in allowable range
$warnings[] = $error;
$canstart = false;
}
if ($error = $hotpot->require_isopen()) {
// hotpot is not (yet) open
$warnings[] = $error;
$canstart = false;
}
if ($error = $hotpot->require_notclosed()) {
// hotpot is (already) closed
$warnings[] = $error;
$canstart = false;
}
if ($error = $hotpot->require_entrycm()) {
// minimum grade for previous activity not satisfied
$warnings[] = $error;
$canstart = false;
}
if ($error = $hotpot->require_delay('delay1')) {
// delay1 has not expired yet
$warnings[] = $error;
$canstart = false;
}
if ($error = $hotpot->require_delay('delay2')) {
// delay2 has not expired yet
$warnings[] = $error;
$canstart = false;
}
if ($error = $hotpot->require_moreattempts(true)) {
// maximum number of attempts reached
$warnings[] = $error;
$canstart = false;
}
if ($canstart) {
if ($error = $hotpot->require_password()) {
// password not given yet
$warnings[] = $error;
$canstart = false;
}
}
}
// cache the boolean flags in case they are needed later - see $this->view_attempt_button()
$hotpot->can_start($canstart);
if (count($warnings)) {
return $this->box(html_writer::alist($warnings), 'generalbox', 'hotpotwarnings');
} else {
return '';
}
}
