group/overview.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17
  18 /**
  19  * Print an overview of groupings & group membership
  20  *
  21  * @copyright  Matt Clarkson mattc@catalyst.net.nz
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  * @package    core_group
  24  */
  25
  26 require_once('../config.php');
  27 require_once($CFG->libdir . '/filelib.php');
  28
  29 $courseid   = required_param('id', PARAM_INT);
  30 $groupid    = optional_param('group', 0, PARAM_INT);
  31 $groupingid = optional_param('grouping', 0, PARAM_INT);
  32
  33 $returnurl = $CFG->wwwroot.'/group/index.php?id='.$courseid;
  34 $rooturl   = $CFG->wwwroot.'/group/overview.php?id='.$courseid;
  35
  36 if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
  37     print_error('invalidcourse');
  38 }
  39
  40 $url = new moodle_url('/group/overview.php', array('id'=>$courseid));
  41 if ($groupid !== 0) {
  42     $url->param('group', $groupid);
  43 }
  44 if ($groupingid !== 0) {
  45     $url->param('grouping', $groupingid);
  46 }
  47 $PAGE->set_url($url);
  48
  49 // Make sure that the user has permissions to manage groups.
  50 require_login($course);
  51
  52 $context = get_context_instance(CONTEXT_COURSE, $courseid);
  53 require_capability('moodle/course:managegroups', $context);
  54
  55 $strgroups           = get_string('groups');
  56 $strparticipants     = get_string('participants');
  57 $stroverview         = get_string('overview', 'group');
  58 $strgrouping         = get_string('grouping', 'group');
  59 $strgroup            = get_string('group', 'group');
  60 $strnotingrouping    = get_string('notingrouping', 'group');
  61 $strfiltergroups     = get_string('filtergroups', 'group');
  62 $strnogroups         = get_string('nogroups', 'group');
  63 $strdescription      = get_string('description');
  64
  65 // Get all groupings
  66 $groupings = $DB->get_records('groupings', array('courseid'=>$courseid), 'name');
  67 $members = array();
  68 foreach ($groupings as $grouping) {
  69     $members[$grouping->id] = array();
  70 }
  71 $members[-1] = array(); //groups not in a grouping
  72
  73 // Get all groups
  74 $groups = $DB->get_records('groups', array('courseid'=>$courseid), 'name');
  75
  76 $params = array('courseid'=>$courseid);
  77 if ($groupid) {
  78     $groupwhere = "AND g.id = :groupid";
  79     $params['groupid']   = $groupid;
  80 } else {
  81     $groupwhere = "";
  82 }
  83
  84 if ($groupingid) {
  85     $groupingwhere = "AND gg.groupingid = :groupingid";
  86     $params['groupingid'] = $groupingid;
  87 } else {
  88     $groupingwhere = "";
  89 }
  90 $sql = "SELECT g.id AS groupid, gg.groupingid, u.id AS userid, u.firstname, u.lastname, u.idnumber, u.username
  91           FROM {groups} g
  92                LEFT JOIN {groupings_groups} gg ON g.id = gg.groupid
  93                LEFT JOIN {groups_members} gm ON g.id = gm.groupid
  94                LEFT JOIN {user} u ON gm.userid = u.id
  95          WHERE g.courseid = :courseid $groupwhere $groupingwhere
  96       ORDER BY g.name, u.lastname, u.firstname";
  97
  98 $rs = $DB->get_recordset_sql($sql, $params);
  99 foreach ($rs as $row) {
 100     $user = new stdClass();
 101     $user->id        = $row->userid;
 102     $user->firstname = $row->firstname;
 103     $user->lastname  = $row->lastname;
 104     $user->username  = $row->username;
 105     $user->idnumber  = $row->idnumber;
 106     if (!$row->groupingid) {
 107         $row->groupingid = -1;
 108     }
 109     if (!array_key_exists($row->groupid, $members[$row->groupingid])) {
 110         $members[$row->groupingid][$row->groupid] = array();
 111     }
 112     if(isset($user->id)){
 113         $members[$row->groupingid][$row->groupid][] = $user;
 114     }
 115 }
 116 $rs->close();
 117
 118 navigation_node::override_active_url(new moodle_url('/group/index.php', array('id'=>$courseid)));
 119 $PAGE->navbar->add(get_string('overview', 'group'));
 120
 121 /// Print header
 122 $PAGE->set_title($strgroups);
 123 $PAGE->set_heading($course->fullname);
 124 $PAGE->set_pagelayout('standard');
 125 echo $OUTPUT->header();
 126
 127 // Add tabs
 128 $currenttab = 'overview';
 129 require('tabs.php');
 130
 131 /// Print overview
 132 echo $OUTPUT->heading(format_string($course->shortname, true, array('context' => $context)) .' '.$stroverview, 3);
 133
 134 echo $strfiltergroups;
 135
 136 $options = array();
 137 $options[0] = get_string('all');
 138 foreach ($groupings as $grouping) {
 139     $options[$grouping->id] = strip_tags(format_string($grouping->name));
 140 }
 141 $popupurl = new moodle_url($rooturl.'&group='.$groupid);
 142 $select = new single_select($popupurl, 'grouping', $options, $groupingid, array());
 143 $select->label = $strgrouping;
 144 $select->formid = 'selectgrouping';
 145 echo $OUTPUT->render($select);
 146
 147 $options = array();
 148 $options[0] = get_string('all');
 149 foreach ($groups as $group) {
 150     $options[$group->id] = strip_tags(format_string($group->name));
 151 }
 152 $popupurl = new moodle_url($rooturl.'&grouping='.$groupingid);
 153 $select = new single_select($popupurl, 'group', $options, $groupid, array());
 154 $select->label = $strgroup;
 155 $select->formid = 'selectgroup';
 156 echo $OUTPUT->render($select);
 157
 158 /// Print table
 159 $printed = false;
 160 $hoverevents = array();
 161 foreach ($members as $gpgid=>$groupdata) {
 162     if ($groupingid and $groupingid != $gpgid) {
 163         continue; // do not show
 164     }
 165     $table = new html_table();
 166     $table->head  = array(get_string('groupscount', 'group', count($groupdata)), get_string('groupmembers', 'group'), get_string('usercount', 'group'));
 167     $table->size  = array('20%', '70%', '10%');
 168     $table->align = array('left', 'left', 'center');
 169     $table->width = '90%';
 170     $table->data  = array();
 171     foreach ($groupdata as $gpid=>$users) {
 172         if ($groupid and $groupid != $gpid) {
 173             continue;
 174         }
 175         $line = array();
 176         $name = print_group_picture($groups[$gpid], $course->id, false, true, false) . format_string($groups[$gpid]->name);
 177         $description = file_rewrite_pluginfile_urls($groups[$gpid]->description, 'pluginfile.php', $context->id, 'group', 'description', $gpid);
 178         $options = new stdClass;
 179         $options->noclean = true;
 180         $options->overflowdiv = true;
 181         $jsdescription = trim(format_text($description, $groups[$gpid]->descriptionformat, $options));
 182         if (empty($jsdescription)) {
 183             $line[] = $name;
 184         } else {
 185             $line[] = html_writer::tag('span', $name, array('id'=>'group_'.$gpid));
 186             $hoverevents['group_'.$gpid] = $jsdescription;
 187         }
 188         $fullnames = array();
 189         foreach ($users as $user) {
 190             $fullnames[] = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$user->id.'&amp;course='.$course->id.'">'.fullname($user, true).'</a>';
 191         }
 192         $line[] = implode(', ', $fullnames);
 193         $line[] = count($users);
 194         $table->data[] = $line;
 195     }
 196     if ($groupid and empty($table->data)) {
 197         continue;
 198     }
 199     if ($gpgid < 0) {
 200         echo $OUTPUT->heading($strnotingrouping, 3);
 201     } else {
 202         echo $OUTPUT->heading(format_string($groupings[$gpgid]->name), 3);
 203         $description = file_rewrite_pluginfile_urls($groupings[$gpgid]->description, 'pluginfile.php', $context->id, 'grouping', 'description', $gpgid);
 204         $options = new stdClass;
 205         $options->noclean = true;
 206         $options->overflowdiv = true;
 207         echo $OUTPUT->box(format_text($description, $groupings[$gpgid]->descriptionformat, $options), 'generalbox boxwidthnarrow boxaligncenter');
 208     }
 209     echo html_writer::table($table);
 210     $printed = true;
 211 }
 212
 213 if (count($hoverevents)>0) {
 214     $PAGE->requires->string_for_js('description', 'moodle');
 215     $PAGE->requires->js_init_call('M.core_group.init_hover_events', array($hoverevents));
 216 }
 217
 218 echo $OUTPUT->footer();