libdir.'/moodlelib.php');
$success = true;
$courseid = required_param('courseid', PARAM_INT);
$groupingid = optional_param('grouping', false, PARAM_INT);
$groupingsettings->name = optional_param('name', false, PARAM_TEXT);
$groupingsettings->description= optional_param('description', '', PARAM_TEXT);
$delete = optional_param('delete', false, PARAM_BOOL);
// Get the course information so we can print the header and
// check the course id is valid
$course = groups_get_course_info($courseid);
if (! $course) {
$success = false;
print_error('invalidcourse'); //'The course ID is invalid'
}
if (GROUP_NOT_IN_GROUPING == $groupingid) {
print_error('errornotingroupingedit', 'group', groups_home_url($courseid), get_string('notingrouping', 'group'));
}
if ($success) {
// Make sure that the user has permissions to manage groups.
require_login($courseid);
$context = get_context_instance(CONTEXT_COURSE, $courseid);
if (! has_capability('moodle/course:managegroups', $context)) {
redirect();
}
/// If data submitted, then process and store.
if ($frm = data_submitted() and confirm_sesskey()) {
if (isset($frm->cancel)) {
redirect(groups_home_url($courseid, null, $groupingid, false));
}
elseif (isset($frm->confirmdelete)) {
if ($success = groups_delete_grouping($groupingid)) {
redirect(groups_home_url($courseid));
} else {
print_error('erroreditgrouping', 'group', groups_home_url($courseid));
}
}
elseif (empty($frm->name)) {
$err['name'] = get_string('missingname');
}
elseif (isset($frm->update)) {
if ($groupingid) {
$success = (bool)groups_set_grouping_settings($groupingid, $groupingsettings);
}
else { //OK, new group.
$success = (bool)$groupingid = groups_create_grouping($courseid, $groupingsettings);
}
if ($success) {
redirect(groups_home_url($courseid, null, $groupingid, false));
}
else {
print_error('erroreditgrouping', 'group', groups_home_url($courseid));
}
}
}
/// OR, prepare the form.
if ($groupingid) {
// Form to edit existing grouping.
$grouping = groups_get_grouping_settings($groupingid);
if (! $grouping) {
print_error('errorinvalidgrouping', 'group', groups_home_url($courseid));
}
$strname = s($grouping->name);
$strdesc = s($grouping->description);
$strbutton = get_string('save', 'group');
$strheading = get_string('editgroupingsettings', 'group');
} else {
// Form to create a new one.
$strname = get_string('defaultgroupingname', 'group');
$strdesc = '';
$strbutton = $strheading = get_string('creategrouping', 'group');
}
$strgroups = get_string('groups');
$strparticipants = get_string('participants');
if ($delete) {
$strheading = get_string('deletegrouping', 'group');
}
/// Print the page and form
print_header("$course->shortname: $strgroups",
$course->fullname,
"wwwroot/course/view.php?id=$courseid\">$course->shortname ".
"-> wwwroot/user/index.php?id=$courseid\">$strparticipants ".
"-> $strgroups", '', '', true, '', user_login_string($course, $USER));
$usehtmleditor = false;
?>