group/overview.php

   1 <?php
   2 /**
   3  * Print an overview of groupings & group membership
   4  *
   5  * @author  Matt Clarkson mattc@catalyst.net.nz
   6  * @version 0.0.1
   7  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   8  * @package groups
   9  */
  10
  11 require_once('../config.php');
  12 require_once($CFG->libdir . '/filelib.php');
  13
  14 $courseid   = required_param('id', PARAM_INT);
  15 $groupid    = optional_param('group', 0, PARAM_INT);
  16 $groupingid = optional_param('grouping', 0, PARAM_INT);
  17
  18 $returnurl = $CFG->wwwroot.'/group/index.php?id='.$courseid;
  19 $rooturl   = $CFG->wwwroot.'/group/overview.php?id='.$courseid;
  20
  21 if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
  22     print_error('invalidcourse');
  23 }
  24
  25 $url = new moodle_url('/group/overview.php', array('id'=>$courseid));
  26 if ($groupid !== 0) {
  27     $url->param('group', $groupid);
  28 }
  29 if ($groupingid !== 0) {
  30     $url->param('grouping', $groupingid);
  31 }
  32 $PAGE->set_url($url);
  33
  34 // Make sure that the user has permissions to manage groups.
  35 require_login($course);
  36
  37 $context = get_context_instance(CONTEXT_COURSE, $courseid);
  38 require_capability('moodle/course:managegroups', $context);
  39
  40 $strgroups           = get_string('groups');
  41 $strparticipants     = get_string('participants');
  42 $stroverview         = get_string('overview', 'group');
  43 $strgrouping         = get_string('grouping', 'group');
  44 $strgroup            = get_string('group', 'group');
  45 $strnotingrouping    = get_string('notingrouping', 'group');
  46 $strfiltergroups     = get_string('filtergroups', 'group');
  47 $strnogroups         = get_string('nogroups', 'group');
  48 $strdescription      = get_string('description');
  49
  50 // Get all groupings
  51 $groupings = $DB->get_records('groupings', array('courseid'=>$courseid), 'name');
  52 $members = array();
  53 foreach ($groupings as $grouping) {
  54     $members[$grouping->id] = array();
  55 }
  56 $members[-1] = array(); //groups not in a grouping
  57
  58 // Get all groups
  59 $groups = $DB->get_records('groups', array('courseid'=>$courseid), 'name');
  60
  61 $params = array('courseid'=>$courseid);
  62 if ($groupid) {
  63     $groupwhere = "AND g.id = :groupid";
  64     $params['groupid']   = $groupid;
  65 } else {
  66     $groupwhere = "";
  67 }
  68
  69 if ($groupingid) {
  70     $groupingwhere = "AND gg.groupingid = :groupingid";
  71     $params['groupingid'] = $groupingid;
  72 } else {
  73     $groupingwhere = "";
  74 }
  75 $sql = "SELECT g.id AS groupid, gg.groupingid, u.id AS userid, u.firstname, u.lastname, u.idnumber, u.username
  76           FROM {groups} g
  77                LEFT JOIN {groupings_groups} gg ON g.id = gg.groupid
  78                LEFT JOIN {groups_members} gm ON g.id = gm.groupid
  79                LEFT JOIN {user} u ON gm.userid = u.id
  80          WHERE g.courseid = :courseid $groupwhere $groupingwhere
  81       ORDER BY g.name, u.lastname, u.firstname";
  82
  83 $rs = $DB->get_recordset_sql($sql, $params);
  84 foreach ($rs as $row) {
  85     $user = new stdClass();
  86     $user->id        = $row->userid;
  87     $user->firstname = $row->firstname;
  88     $user->lastname  = $row->lastname;
  89     $user->username  = $row->username;
  90     $user->idnumber  = $row->idnumber;
  91     if (!$row->groupingid) {
  92         $row->groupingid = -1;
  93     }
  94     if (!array_key_exists($row->groupid, $members[$row->groupingid])) {
  95         $members[$row->groupingid][$row->groupid] = array();
  96     }
  97     if(isset($user->id)){
  98         $members[$row->groupingid][$row->groupid][] = $user;
  99     }
 100 }
 101 $rs->close();
 102
 103 navigation_node::override_active_url(new moodle_url('/group/index.php', array('id'=>$courseid)));
 104 $PAGE->navbar->add(get_string('overview', 'group'));
 105
 106 /// Print header
 107 $PAGE->set_title($strgroups);
 108 $PAGE->set_heading($course->fullname);
 109 $PAGE->set_pagelayout('standard');
 110 echo $OUTPUT->header();
 111
 112 // Add tabs
 113 $currenttab = 'overview';
 114 require('tabs.php');
 115
 116 /// Print overview
 117 echo $OUTPUT->heading(format_string($course->shortname, true, array('context' => $context)) .' '.$stroverview, 3);
 118
 119 echo $strfiltergroups;
 120
 121 $options = array();
 122 $options[0] = get_string('all');
 123 foreach ($groupings as $grouping) {
 124     $options[$grouping->id] = strip_tags(format_string($grouping->name));
 125 }
 126 $popupurl = new moodle_url($rooturl.'&group='.$groupid);
 127 $select = new single_select($popupurl, 'grouping', $options, $groupingid, array());
 128 $select->label = $strgrouping;
 129 $select->formid = 'selectgrouping';
 130 echo $OUTPUT->render($select);
 131
 132 $options = array();
 133 $options[0] = get_string('all');
 134 foreach ($groups as $group) {
 135     $options[$group->id] = strip_tags(format_string($group->name));
 136 }
 137 $popupurl = new moodle_url($rooturl.'&grouping='.$groupingid);
 138 $select = new single_select($popupurl, 'group', $options, $groupid, array());
 139 $select->label = $strgroup;
 140 $select->formid = 'selectgroup';
 141 echo $OUTPUT->render($select);
 142
 143 /// Print table
 144 $printed = false;
 145 $hoverevents = array();
 146 foreach ($members as $gpgid=>$groupdata) {
 147     if ($groupingid and $groupingid != $gpgid) {
 148         continue; // do not show
 149     }
 150     $table = new html_table();
 151     $table->head  = array(get_string('groupscount', 'group', count($groupdata)), get_string('groupmembers', 'group'), get_string('usercount', 'group'));
 152     $table->size  = array('20%', '70%', '10%');
 153     $table->align = array('left', 'left', 'center');
 154     $table->width = '90%';
 155     $table->data  = array();
 156     foreach ($groupdata as $gpid=>$users) {
 157         if ($groupid and $groupid != $gpid) {
 158             continue;
 159         }
 160         $line = array();
 161         $name = print_group_picture($groups[$gpid], $course->id, false, true, false) . format_string($groups[$gpid]->name);
 162         $description = file_rewrite_pluginfile_urls($groups[$gpid]->description, 'pluginfile.php', $context->id, 'group', 'description', $gpid);
 163         $options = new stdClass;
 164         $options->noclean = true;
 165         $options->overflowdiv = true;
 166         $jsdescription = trim(format_text($description, $groups[$gpid]->descriptionformat, $options));
 167         if (empty($jsdescription)) {
 168             $line[] = $name;
 169         } else {
 170             $line[] = html_writer::tag('span', $name, array('id'=>'group_'.$gpid));
 171             $hoverevents['group_'.$gpid] = $jsdescription;
 172         }
 173         $fullnames = array();
 174         foreach ($users as $user) {
 175             $fullnames[] = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$user->id.'&amp;course='.$course->id.'">'.fullname($user, true).'</a>';
 176         }
 177         $line[] = implode(', ', $fullnames);
 178         $line[] = count($users);
 179         $table->data[] = $line;
 180     }
 181     if ($groupid and empty($table->data)) {
 182         continue;
 183     }
 184     if ($gpgid < 0) {
 185         echo $OUTPUT->heading($strnotingrouping, 3);
 186     } else {
 187         echo $OUTPUT->heading(format_string($groupings[$gpgid]->name), 3);
 188         $description = file_rewrite_pluginfile_urls($groupings[$gpgid]->description, 'pluginfile.php', $context->id, 'grouping', 'description', $gpgid);
 189         $options = new stdClass;
 190         $options->noclean = true;
 191         $options->overflowdiv = true;
 192         echo $OUTPUT->box(format_text($description, $groupings[$gpgid]->descriptionformat, $options), 'generalbox boxwidthnarrow boxaligncenter');
 193     }
 194     echo html_writer::table($table);
 195     $printed = true;
 196 }
 197
 198 if (count($hoverevents)>0) {
 199     $PAGE->requires->string_for_js('description', 'moodle');
 200     $PAGE->requires->js_init_call('M.core_group.init_hover_events', array($hoverevents));
 201 }
 202
 203 echo $OUTPUT->footer();