echo $OUTPUT->confirm($message, $att->url_sessions($params), $att->url_manage());
echo $OUTPUT->footer();
exit;
case att_sessions_page_params::ACTION_CHANGE_DURATION:
$fromform = data_submitted();
$slist = isset($fromform->sessid) ? implode('_', $fromform->sessid) : '';
$url = $att->url_sessions(array('action' => att_sessions_page_params::ACTION_CHANGE_DURATION));
$formparams['ids'] = $slist;
$mform = new mod_attforblock_duration_form($url, $formparams);
if ($mform->is_cancelled()) {
redirect($att->url_manage());
}
if ($formdata = $mform->get_data()) {
$sessionsids = explode('_', $fromform->ids);
$duration = $formdata->durtime['hours'] * HOURSECS + $formdata->durtime['minutes'] * MINSECS;
$att->update_sessions_duration($sessionsids, $duration);
redirect($att->url_manage(), get_string('sessionupdated', 'attforblock'));
}
if ($slist === '') {
print_error('nosessionsselected', 'attforblock', $att->url_manage());
}
break;
}
$output = $PAGE->get_renderer('mod_attforblock');
$tabs = new attforblock_tabs($att, attforblock_tabs::TAB_ADD);
echo $output->header();
echo $output->heading(get_string('attendanceforthecourse', 'attforblock') . ' :: ' . $course->fullname);
echo $output->render($tabs);
$mform->display();
echo $OUTPUT->footer();
function construct_sessions_data_for_add($formdata)
