/**
* Returns the HTML code to print the user interface
*/
public function ui()
{
global $PAGE;
$output = $PAGE->get_renderer('mod_teamwork');
$m = optional_param('m', null, PARAM_INT);
// status message code
$message = new teamwork_message();
if ($m == self::MSG_SUCCESS) {
$message->set_text(get_string('randomallocationdone', 'teamworkallocation_random'));
$message->set_type(teamwork_message::TYPE_OK);
}
$out = $output->container_start('random-allocator');
$out .= $output->render($message);
// the nasty hack follows to bypass the sad fact that moodle quickforms do not allow to actually
// return the HTML content, just to display it
ob_start();
$this->mform->display();
$out .= ob_get_contents();
ob_end_clean();
// if there are some not-grouped participant in a group mode, warn the user
$gmode = groups_get_activity_groupmode($this->teamwork->cm, $this->teamwork->course);
if (VISIBLEGROUPS == $gmode or SEPARATEGROUPS == $gmode) {
$users = $this->teamwork->get_potential_authors() + $this->teamwork->get_potential_reviewers();
$users = $this->teamwork->get_grouped($users);
if (isset($users[0])) {
$nogroupusers = $users[0];
foreach ($users as $groupid => $groupusers) {
if ($groupid == 0) {
continue;
}
foreach ($groupusers as $groupuserid => $groupuser) {
unset($nogroupusers[$groupuserid]);
}
}
if (!empty($nogroupusers)) {
$list = array();
foreach ($nogroupusers as $nogroupuser) {
$list[] = fullname($nogroupuser);
}
$a = implode(', ', $list);
$out .= $output->box(get_string('nogroupusers', 'teamworkallocation_random', $a), 'generalbox warning nogroupusers');
}
}
}
// TODO $out .= $output->heading(get_string('stats', 'teamworkallocation_random'));
$out .= $output->container_end();
return $out;
}