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c234c34085
This only affects the quiz overrides form, as groupmembersonly was not used elsewhere. The change simply restricts the list of users shown when selecting somebody for overrides. Some additional code is needed to (efficiently) load the $cm object as a cm_info so that the availability API can be used on it.
281 lines
9.5 KiB
PHP
281 lines
9.5 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* This page handles listing of quiz overrides
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*
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* @package mod_quiz
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* @copyright 2010 Matt Petro
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once(dirname(__FILE__) . '/../../config.php');
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require_once($CFG->dirroot.'/mod/quiz/lib.php');
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require_once($CFG->dirroot.'/mod/quiz/locallib.php');
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require_once($CFG->dirroot.'/mod/quiz/override_form.php');
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$cmid = required_param('cmid', PARAM_INT);
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$mode = optional_param('mode', '', PARAM_ALPHA); // One of 'user' or 'group', default is 'group'.
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list($course, $cm) = get_course_and_cm_from_cmid($cmid, 'quiz');
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$quiz = $DB->get_record('quiz', array('id' => $cm->instance), '*', MUST_EXIST);
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// Get the course groups.
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$groups = groups_get_all_groups($cm->course);
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if ($groups === false) {
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$groups = array();
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}
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// Default mode is "group", unless there are no groups.
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if ($mode != "user" and $mode != "group") {
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if (!empty($groups)) {
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$mode = "group";
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} else {
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$mode = "user";
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}
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}
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$groupmode = ($mode == "group");
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$url = new moodle_url('/mod/quiz/overrides.php', array('cmid'=>$cm->id, 'mode'=>$mode));
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$PAGE->set_url($url);
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require_login($course, false, $cm);
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$context = context_module::instance($cm->id);
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// Check the user has the required capabilities to list overrides.
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require_capability('mod/quiz:manageoverrides', $context);
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// Display a list of overrides.
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$PAGE->set_pagelayout('admin');
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$PAGE->set_title(get_string('overrides', 'quiz'));
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$PAGE->set_heading($course->fullname);
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echo $OUTPUT->header();
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echo $OUTPUT->heading(format_string($quiz->name, true, array('context' => $context)));
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// Delete orphaned group overrides.
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$sql = 'SELECT o.id
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FROM {quiz_overrides} o LEFT JOIN {groups} g
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ON o.groupid = g.id
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WHERE o.groupid IS NOT NULL
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AND g.id IS NULL
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AND o.quiz = ?';
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$params = array($quiz->id);
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$orphaned = $DB->get_records_sql($sql, $params);
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if (!empty($orphaned)) {
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$DB->delete_records_list('quiz_overrides', 'id', array_keys($orphaned));
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}
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// Fetch all overrides.
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if ($groupmode) {
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$colname = get_string('group');
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$sql = 'SELECT o.*, g.name
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FROM {quiz_overrides} o
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JOIN {groups} g ON o.groupid = g.id
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WHERE o.quiz = :quizid
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ORDER BY g.name';
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$params = array('quizid' => $quiz->id);
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} else {
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$colname = get_string('user');
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list($sort, $params) = users_order_by_sql('u');
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$sql = 'SELECT o.*, ' . get_all_user_name_fields(true, 'u') . '
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FROM {quiz_overrides} o
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JOIN {user} u ON o.userid = u.id
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WHERE o.quiz = :quizid
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ORDER BY ' . $sort;
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$params['quizid'] = $quiz->id;
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}
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$overrides = $DB->get_records_sql($sql, $params);
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// Initialise table.
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$table = new html_table();
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$table->headspan = array(1, 2, 1);
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$table->colclasses = array('colname', 'colsetting', 'colvalue', 'colaction');
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$table->head = array(
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$colname,
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get_string('overrides', 'quiz'),
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get_string('action'),
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);
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$userurl = new moodle_url('/user/view.php', array());
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$groupurl = new moodle_url('/group/overview.php', array('id' => $cm->course));
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$overridedeleteurl = new moodle_url('/mod/quiz/overridedelete.php');
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$overrideediturl = new moodle_url('/mod/quiz/overrideedit.php');
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$hasinactive = false; // Whether there are any inactive overrides.
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foreach ($overrides as $override) {
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$fields = array();
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$values = array();
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$active = true;
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// Check for inactive overrides.
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if (!$groupmode) {
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if (!has_capability('mod/quiz:attempt', $context, $override->userid)) {
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// User not allowed to take the quiz.
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$active = false;
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} else if (!\core_availability\info_module::is_user_visible($cm, $override->userid)) {
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// User cannot access the module.
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$active = false;
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}
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}
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// Format timeopen.
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if (isset($override->timeopen)) {
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$fields[] = get_string('quizopens', 'quiz');
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$values[] = $override->timeopen > 0 ?
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userdate($override->timeopen) : get_string('noopen', 'quiz');
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}
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// Format timeclose.
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if (isset($override->timeclose)) {
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$fields[] = get_string('quizcloses', 'quiz');
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$values[] = $override->timeclose > 0 ?
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userdate($override->timeclose) : get_string('noclose', 'quiz');
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}
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// Format timelimit.
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if (isset($override->timelimit)) {
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$fields[] = get_string('timelimit', 'quiz');
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$values[] = $override->timelimit > 0 ?
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format_time($override->timelimit) : get_string('none', 'quiz');
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}
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// Format number of attempts.
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if (isset($override->attempts)) {
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$fields[] = get_string('attempts', 'quiz');
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$values[] = $override->attempts > 0 ?
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$override->attempts : get_string('unlimited');
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}
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// Format password.
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if (isset($override->password)) {
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$fields[] = get_string('requirepassword', 'quiz');
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$values[] = $override->password !== '' ?
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get_string('enabled', 'quiz') : get_string('none', 'quiz');
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}
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// Icons.
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$iconstr = '';
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if ($active) {
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// Edit.
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$editurlstr = $overrideediturl->out(true, array('id' => $override->id));
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$iconstr = '<a title="' . get_string('edit') . '" href="'. $editurlstr . '">' .
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'<img src="' . $OUTPUT->pix_url('t/edit') . '" class="iconsmall" alt="' .
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get_string('edit') . '" /></a> ';
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// Duplicate.
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$copyurlstr = $overrideediturl->out(true,
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array('id' => $override->id, 'action' => 'duplicate'));
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$iconstr .= '<a title="' . get_string('copy') . '" href="' . $copyurlstr . '">' .
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'<img src="' . $OUTPUT->pix_url('t/copy') . '" class="iconsmall" alt="' .
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get_string('copy') . '" /></a> ';
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}
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// Delete.
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$deleteurlstr = $overridedeleteurl->out(true,
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array('id' => $override->id, 'sesskey' => sesskey()));
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$iconstr .= '<a title="' . get_string('delete') . '" href="' . $deleteurlstr . '">' .
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'<img src="' . $OUTPUT->pix_url('t/delete') . '" class="iconsmall" alt="' .
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get_string('delete') . '" /></a> ';
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if ($groupmode) {
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$usergroupstr = '<a href="' . $groupurl->out(true,
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array('group' => $override->groupid)) . '" >' . $override->name . '</a>';
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} else {
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$usergroupstr = '<a href="' . $userurl->out(true,
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array('id' => $override->userid)) . '" >' . fullname($override) . '</a>';
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}
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$class = '';
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if (!$active) {
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$class = "dimmed_text";
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$usergroupstr .= '*';
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$hasinactive = true;
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}
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$usergroupcell = new html_table_cell();
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$usergroupcell->rowspan = count($fields);
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$usergroupcell->text = $usergroupstr;
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$actioncell = new html_table_cell();
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$actioncell->rowspan = count($fields);
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$actioncell->text = $iconstr;
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for ($i = 0; $i < count($fields); ++$i) {
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$row = new html_table_row();
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$row->attributes['class'] = $class;
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if ($i == 0) {
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$row->cells[] = $usergroupcell;
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}
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$cell1 = new html_table_cell();
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$cell1->text = $fields[$i];
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$row->cells[] = $cell1;
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$cell2 = new html_table_cell();
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$cell2->text = $values[$i];
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$row->cells[] = $cell2;
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if ($i == 0) {
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$row->cells[] = $actioncell;
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}
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$table->data[] = $row;
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}
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}
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// Output the table and button.
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echo html_writer::start_tag('div', array('id' => 'quizoverrides'));
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if (count($table->data)) {
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echo html_writer::table($table);
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}
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if ($hasinactive) {
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echo $OUTPUT->notification(get_string('inactiveoverridehelp', 'quiz'), 'dimmed_text');
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}
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echo html_writer::start_tag('div', array('class' => 'buttons'));
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$options = array();
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if ($groupmode) {
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if (empty($groups)) {
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// There are no groups.
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echo $OUTPUT->notification(get_string('groupsnone', 'quiz'), 'error');
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$options['disabled'] = true;
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}
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echo $OUTPUT->single_button($overrideediturl->out(true,
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array('action' => 'addgroup', 'cmid' => $cm->id)),
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get_string('addnewgroupoverride', 'quiz'), 'post', $options);
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} else {
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$users = array();
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// See if there are any students in the quiz.
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$users = get_users_by_capability($context, 'mod/quiz:attempt', 'u.id');
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$info = new \core_availability\info_module($cm);
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$users = $info->filter_user_list($users);
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if (empty($users)) {
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// There are no students.
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echo $OUTPUT->notification(get_string('usersnone', 'quiz'), 'error');
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$options['disabled'] = true;
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}
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echo $OUTPUT->single_button($overrideediturl->out(true,
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array('action' => 'adduser', 'cmid' => $cm->id)),
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get_string('addnewuseroverride', 'quiz'), 'post', $options);
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}
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echo html_writer::end_tag('div');
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echo html_writer::end_tag('div');
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// Finish the page.
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echo $OUTPUT->footer();
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