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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/>.
- /**
- * Print an overview of groupings & group membership
- *
- * @copyright Matt Clarkson mattc@catalyst.net.nz
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- * @package core_group
- */
- require_once('../config.php');
- require_once($CFG->libdir . '/filelib.php');
- define('OVERVIEW_NO_GROUP', -1); // The fake group for users not in a group.
- define('OVERVIEW_GROUPING_GROUP_NO_GROUPING', -1); // The fake grouping for groups that have no grouping.
- define('OVERVIEW_GROUPING_NO_GROUP', -2); // The fake grouping for users with no group.
- $courseid = required_param('id', PARAM_INT);
- $groupid = optional_param('group', 0, PARAM_INT);
- $groupingid = optional_param('grouping', 0, PARAM_INT);
- $returnurl = $CFG->wwwroot.'/group/index.php?id='.$courseid;
- $rooturl = $CFG->wwwroot.'/group/overview.php?id='.$courseid;
- if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
- print_error('invalidcourse');
- }
- $url = new moodle_url('/group/overview.php', array('id'=>$courseid));
- if ($groupid !== 0) {
- $url->param('group', $groupid);
- }
- if ($groupingid !== 0) {
- $url->param('grouping', $groupingid);
- }
- $PAGE->set_url($url);
- // Make sure that the user has permissions to manage groups.
- require_login($course);
- $context = context_course::instance($courseid);
- require_capability('moodle/course:managegroups', $context);
- $strgroups = get_string('groups');
- $strparticipants = get_string('participants');
- $stroverview = get_string('overview', 'group');
- $strgrouping = get_string('grouping', 'group');
- $strgroup = get_string('group', 'group');
- $strnotingrouping = get_string('notingrouping', 'group');
- $strfiltergroups = get_string('filtergroups', 'group');
- $strnogroups = get_string('nogroups', 'group');
- $strdescription = get_string('description');
- $strnotingroup = get_string('notingrouplist', 'group');
- $strnogroup = get_string('nogroup', 'group');
- $strnogrouping = get_string('nogrouping', 'group');
- // Get all groupings and sort them by formatted name.
- $groupings = $DB->get_records('groupings', array('courseid'=>$courseid), 'name');
- foreach ($groupings as $gid => $grouping) {
- $groupings[$gid]->formattedname = format_string($grouping->name, true, array('context' => $context));
- }
- core_collator::asort_objects_by_property($groupings, 'formattedname');
- $members = array();
- foreach ($groupings as $grouping) {
- $members[$grouping->id] = array();
- }
- // Groups not in a grouping.
- $members[OVERVIEW_GROUPING_GROUP_NO_GROUPING] = array();
- // Get all groups
- $groups = $DB->get_records('groups', array('courseid'=>$courseid), 'name');
- $params = array('courseid'=>$courseid);
- if ($groupid) {
- $groupwhere = "AND g.id = :groupid";
- $params['groupid'] = $groupid;
- } else {
- $groupwhere = "";
- }
- if ($groupingid) {
- if ($groupingid < 0) { // No grouping filter.
- $groupingwhere = "AND gg.groupingid IS NULL";
- } else {
- $groupingwhere = "AND gg.groupingid = :groupingid";
- $params['groupingid'] = $groupingid;
- }
- } else {
- $groupingwhere = "";
- }
- list($sort, $sortparams) = users_order_by_sql('u');
- $allnames = get_all_user_name_fields(true, 'u');
- $sql = "SELECT g.id AS groupid, gg.groupingid, u.id AS userid, $allnames, u.idnumber, u.username
- FROM {groups} g
- LEFT JOIN {groupings_groups} gg ON g.id = gg.groupid
- LEFT JOIN {groups_members} gm ON g.id = gm.groupid
- LEFT JOIN {user} u ON gm.userid = u.id
- WHERE g.courseid = :courseid $groupwhere $groupingwhere
- ORDER BY g.name, $sort";
- $rs = $DB->get_recordset_sql($sql, array_merge($params, $sortparams));
- foreach ($rs as $row) {
- $user = new stdClass();
- $user = username_load_fields_from_object($user, $row, null, array('id' => 'userid', 'username', 'idnumber'));
- if (!$row->groupingid) {
- $row->groupingid = OVERVIEW_GROUPING_GROUP_NO_GROUPING;
- }
- if (!array_key_exists($row->groupid, $members[$row->groupingid])) {
- $members[$row->groupingid][$row->groupid] = array();
- }
- if (!empty($user->id)) {
- $members[$row->groupingid][$row->groupid][] = $user;
- }
- }
- $rs->close();
- // Add 'no groupings' / 'no groups' selectors.
- $groupings[OVERVIEW_GROUPING_GROUP_NO_GROUPING] = (object)array(
- 'id' => OVERVIEW_GROUPING_GROUP_NO_GROUPING,
- 'formattedname' => $strnogrouping,
- );
- $groups[OVERVIEW_NO_GROUP] = (object)array(
- 'id' => OVERVIEW_NO_GROUP,
- 'courseid' => $courseid,
- 'idnumber' => '',
- 'name' => $strnogroup,
- 'description' => '',
- 'descriptionformat' => FORMAT_HTML,
- 'enrolmentkey' => '',
- 'picture' => 0,
- 'hidepicture' => 0,
- 'timecreated' => 0,
- 'timemodified' => 0,
- );
- // Add users who are not in a group.
- if ($groupid <= 0 && $groupingid <= 0) {
- list($esql, $params) = get_enrolled_sql($context, null, 0, true);
- $sql = "SELECT u.id, $allnames, u.idnumber, u.username
- FROM {user} u
- JOIN ($esql) e ON e.id = u.id
- LEFT JOIN (
- SELECT gm.userid
- FROM {groups_members} gm
- JOIN {groups} g ON g.id = gm.groupid
- WHERE g.courseid = :courseid
- ) grouped ON grouped.userid = u.id
- WHERE grouped.userid IS NULL";
- $params['courseid'] = $courseid;
- $nogroupusers = $DB->get_records_sql($sql, $params);
- if ($nogroupusers) {
- $members[OVERVIEW_GROUPING_NO_GROUP][OVERVIEW_NO_GROUP] = $nogroupusers;
- }
- }
- navigation_node::override_active_url(new moodle_url('/group/index.php', array('id'=>$courseid)));
- $PAGE->navbar->add(get_string('overview', 'group'));
- /// Print header
- $PAGE->set_title($strgroups);
- $PAGE->set_heading($course->fullname);
- $PAGE->set_pagelayout('standard');
- echo $OUTPUT->header();
- // Add tabs
- $currenttab = 'overview';
- require('tabs.php');
- /// Print overview
- echo $OUTPUT->heading(format_string($course->shortname, true, array('context' => $context)) .' '.$stroverview, 3);
- echo $strfiltergroups;
- $options = array();
- $options[0] = get_string('all');
- foreach ($groupings as $grouping) {
- $options[$grouping->id] = strip_tags($grouping->formattedname);
- }
- $popupurl = new moodle_url($rooturl.'&group='.$groupid);
- $select = new single_select($popupurl, 'grouping', $options, $groupingid, array());
- $select->label = $strgrouping;
- $select->formid = 'selectgrouping';
- echo $OUTPUT->render($select);
- $options = array();
- $options[0] = get_string('all');
- foreach ($groups as $group) {
- $options[$group->id] = strip_tags(format_string($group->name));
- }
- $popupurl = new moodle_url($rooturl.'&grouping='.$groupingid);
- $select = new single_select($popupurl, 'group', $options, $groupid, array());
- $select->label = $strgroup;
- $select->formid = 'selectgroup';
- echo $OUTPUT->render($select);
- /// Print table
- $printed = false;
- $hoverevents = array();
- foreach ($members as $gpgid=>$groupdata) {
- if ($groupingid and $groupingid != $gpgid) {
- if ($groupingid > 0 || $gpgid > 0) { // Still show 'not in group' when 'no grouping' selected.
- continue; // Do not show.
- }
- }
- $table = new html_table();
- $table->head = array(get_string('groupscount', 'group', count($groupdata)), get_string('groupmembers', 'group'), get_string('usercount', 'group'));
- $table->size = array('20%', '70%', '10%');
- $table->align = array('left', 'left', 'center');
- $table->width = '90%';
- $table->data = array();
- foreach ($groupdata as $gpid=>$users) {
- if ($groupid and $groupid != $gpid) {
- continue;
- }
- $line = array();
- $name = print_group_picture($groups[$gpid], $course->id, false, true, false) . format_string($groups[$gpid]->name);
- $description = file_rewrite_pluginfile_urls($groups[$gpid]->description, 'pluginfile.php', $context->id, 'group', 'description', $gpid);
- $options = new stdClass;
- $options->noclean = true;
- $options->overflowdiv = true;
- $jsdescription = trim(format_text($description, $groups[$gpid]->descriptionformat, $options));
- if (empty($jsdescription)) {
- $line[] = $name;
- } else {
- $line[] = html_writer::tag('span', $name, array('class' => 'group_hoverdescription', 'data-groupid' => $gpid));
- $hoverevents[$gpid] = $jsdescription;
- }
- $fullnames = array();
- foreach ($users as $user) {
- $fullnames[] = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$user->id.'&course='.$course->id.'">'.fullname($user, true).'</a>';
- }
- $line[] = implode(', ', $fullnames);
- $line[] = count($users);
- $table->data[] = $line;
- }
- if ($groupid and empty($table->data)) {
- continue;
- }
- if ($gpgid < 0) {
- // Display 'not in group' for grouping id == OVERVIEW_GROUPING_NO_GROUP.
- if ($gpgid == OVERVIEW_GROUPING_NO_GROUP) {
- echo $OUTPUT->heading($strnotingroup, 3);
- } else {
- echo $OUTPUT->heading($strnotingrouping, 3);
- }
- } else {
- echo $OUTPUT->heading($groupings[$gpgid]->formattedname, 3);
- $description = file_rewrite_pluginfile_urls($groupings[$gpgid]->description, 'pluginfile.php', $context->id, 'grouping', 'description', $gpgid);
- $options = new stdClass;
- $options->overflowdiv = true;
- echo $OUTPUT->box(format_text($description, $groupings[$gpgid]->descriptionformat, $options), 'generalbox boxwidthnarrow boxaligncenter');
- }
- echo html_writer::table($table);
- $printed = true;
- }
- if (count($hoverevents)>0) {
- $PAGE->requires->string_for_js('description', 'moodle');
- $PAGE->requires->js_init_call('M.core_group.init_hover_events', array($hoverevents));
- }
- echo $OUTPUT->footer();
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