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- <?php
- // This file is part of Moodle - http://moodle.org/
- //
- // Moodle is free software: you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // Moodle is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License
- // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
- /**
- * Delete group
- *
- * @package core_group
- * @copyright 2008 The Open University, s.marshall AT open.ac.uk
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
- require_once('../config.php');
- require_once('lib.php');
- // Get and check parameters
- $courseid = required_param('courseid', PARAM_INT);
- $groupids = required_param('groups', PARAM_SEQUENCE);
- $confirm = optional_param('confirm', 0, PARAM_BOOL);
- $PAGE->set_url('/group/delete.php', array('courseid'=>$courseid,'groups'=>$groupids));
- $PAGE->set_pagelayout('standard');
- // Make sure course is OK and user has access to manage groups
- if (!$course = $DB->get_record('course', array('id' => $courseid))) {
- print_error('invalidcourseid');
- }
- require_login($course);
- $context = context_course::instance($course->id);
- require_capability('moodle/course:managegroups', $context);
- $changeidnumber = has_capability('moodle/course:changeidnumber', $context);
- // Make sure all groups are OK and belong to course
- $groupidarray = explode(',',$groupids);
- $groupnames = array();
- foreach($groupidarray as $groupid) {
- if (!$group = $DB->get_record('groups', array('id' => $groupid))) {
- print_error('invalidgroupid');
- }
- if (!empty($group->idnumber) && !$changeidnumber) {
- print_error('grouphasidnumber', '', '', $group->name);
- }
- if ($courseid != $group->courseid) {
- print_error('groupunknown', '', '', $group->courseid);
- }
- $groupnames[] = format_string($group->name);
- }
- $returnurl='index.php?id='.$course->id;
- if(count($groupidarray)==0) {
- print_error('errorselectsome','group',$returnurl);
- }
- if ($confirm && data_submitted()) {
- if (!confirm_sesskey() ) {
- print_error('confirmsesskeybad','error',$returnurl);
- }
- foreach($groupidarray as $groupid) {
- groups_delete_group($groupid);
- }
- redirect($returnurl);
- } else {
- $PAGE->set_title(get_string('deleteselectedgroup', 'group'));
- $PAGE->set_heading($course->fullname . ': '. get_string('deleteselectedgroup', 'group'));
- echo $OUTPUT->header();
- $optionsyes = array('courseid'=>$courseid, 'groups'=>$groupids, 'sesskey'=>sesskey(), 'confirm'=>1);
- $optionsno = array('id'=>$courseid);
- if(count($groupnames)==1) {
- $message=get_string('deletegroupconfirm', 'group', $groupnames[0]);
- } else {
- $message=get_string('deletegroupsconfirm', 'group').'<ul>';
- foreach($groupnames as $groupname) {
- $message.='<li>'.$groupname.'</li>';
- }
- $message.='</ul>';
- }
- $formcontinue = new single_button(new moodle_url('delete.php', $optionsyes), get_string('yes'), 'post');
- $formcancel = new single_button(new moodle_url('index.php', $optionsno), get_string('no'), 'get');
- echo $OUTPUT->confirm($message, $formcontinue, $formcancel);
- echo $OUTPUT->footer();
- }
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