1<?php
2
3// This file is part of Moodle - http://moodle.org/
4//
5// Moodle is free software: you can redistribute it and/or modify
6// it under the terms of the GNU General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// Moodle is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
17
18/**
19 * Allows a creator to edit groupings
20 *
21 * @copyright 1999 Martin Dougiamas  http://dougiamas.com
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 * @package core_group
24 */
25
26require_once '../config.php';
27require_once $CFG->dirroot.'/group/lib.php';
28
29$courseid = required_param('id', PARAM_INT);
30
31$PAGE->set_url('/group/groupings.php', array('id'=>$courseid));
32
33if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
34    print_error('invalidcourseid');
35}
36
37require_login($course);
38$context = context_course::instance($course->id);
39require_capability('moodle/course:managegroups', $context);
40
41$strgrouping     = get_string('grouping', 'group');
42$strgroups       = get_string('groups');
43$strname         = get_string('name');
44$strdelete       = get_string('delete');
45$stredit         = get_string('edit');
46$srtnewgrouping  = get_string('creategrouping', 'group');
47$strgroups       = get_string('groups');
48$strgroupings    = get_string('groupings', 'group');
49$struses         = get_string('activities');
50$strparticipants = get_string('participants');
51$strmanagegrping = get_string('showgroupsingrouping', 'group');
52
53navigation_node::override_active_url(new moodle_url('/group/index.php', array('id'=>$courseid)));
54$PAGE->navbar->add($strgroupings);
55
56/// Print header
57$PAGE->set_title($strgroupings);
58$PAGE->set_heading($course->fullname);
59$PAGE->set_pagelayout('standard');
60echo $OUTPUT->header();
61
62// Add tabs
63$currenttab = 'groupings';
64require('tabs.php');
65
66echo $OUTPUT->heading($strgroupings);
67
68$data = array();
69if ($groupings = $DB->get_records('groupings', array('courseid'=>$course->id), 'name')) {
70    $canchangeidnumber = has_capability('moodle/course:changeidnumber', $context);
71    foreach ($groupings as $gid => $grouping) {
72        $groupings[$gid]->formattedname = format_string($grouping->name, true, array('context' => $context));
73    }
74    core_collator::asort_objects_by_property($groupings, 'formattedname');
75    foreach($groupings as $grouping) {
76        $line = array();
77        $line[0] = $grouping->formattedname;
78
79        if ($groups = groups_get_all_groups($courseid, 0, $grouping->id)) {
80            $groupnames = array();
81            foreach ($groups as $group) {
82                $groupnames[] = format_string($group->name);
83            }
84            $line[1] = implode(', ', $groupnames);
85        } else {
86            $line[1] = get_string('none');
87        }
88        $line[2] = $DB->count_records('course_modules', array('course'=>$course->id, 'groupingid'=>$grouping->id));
89
90        $url = new moodle_url('/group/grouping.php', array('id' => $grouping->id));
91        $buttons  = html_writer::link($url, $OUTPUT->pix_icon('t/edit', $stredit, 'core',
92                array('class' => 'iconsmall')), array('title' => $stredit));
93        if (empty($grouping->idnumber) || $canchangeidnumber) {
94            // It's only possible to delete groups without an idnumber unless the user has the changeidnumber capability.
95            $url = new moodle_url('/group/grouping.php', array('id' => $grouping->id, 'delete' => 1));
96            $buttons .= html_writer::link($url, $OUTPUT->pix_icon('t/delete', $strdelete, 'core',
97                    array('class' => 'iconsmall')), array('title' => $strdelete));
98        } else {
99            $buttons .= $OUTPUT->spacer();
100        }
101        $url = new moodle_url('/group/assign.php', array('id' => $grouping->id));
102        $buttons .= html_writer::link($url, $OUTPUT->pix_icon('t/groups', $strmanagegrping, 'core',
103                array('class' => 'iconsmall')), array('title' => $strmanagegrping));
104
105        $line[3] = $buttons;
106        $data[] = $line;
107    }
108}
109$table = new html_table();
110$table->head  = array($strgrouping, $strgroups, $struses, $stredit);
111$table->size  = array('30%', '50%', '10%', '10%');
112$table->align = array('left', 'left', 'center', 'center');
113$table->width = '90%';
114$table->data  = $data;
115echo html_writer::table($table);
116
117echo $OUTPUT->container_start('buttons');
118echo $OUTPUT->single_button(new moodle_url('grouping.php', array('courseid'=>$courseid)), $srtnewgrouping);
119echo $OUTPUT->container_end();
120
121echo $OUTPUT->footer();
122