3 // This file is part of Moodle - http://moodle.org/
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.
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.
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/>.
19 * Library of useful functions
21 * @copyright 1999 Martin Dougiamas http://dougiamas.com
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
27 defined('MOODLE_INTERNAL') || die;
29 require_once($CFG->libdir.'/completionlib.php');
30 require_once($CFG->libdir.'/filelib.php');
31 require_once($CFG->dirroot.'/course/dnduploadlib.php');
33 define('COURSE_MAX_LOGS_PER_PAGE', 1000); // records
34 define('COURSE_MAX_RECENT_PERIOD', 172800); // Two days, in seconds
35 define('COURSE_MAX_SUMMARIES_PER_PAGE', 10); // courses
36 define('COURSE_MAX_COURSES_PER_DROPDOWN',1000); // max courses in log dropdown before switching to optional
37 define('COURSE_MAX_USERS_PER_DROPDOWN',1000); // max users in log dropdown before switching to optional
38 define('FRONTPAGENEWS', '0');
39 define('FRONTPAGECOURSELIST', '1');
40 define('FRONTPAGECATEGORYNAMES', '2');
41 define('FRONTPAGETOPICONLY', '3');
42 define('FRONTPAGECATEGORYCOMBO', '4');
43 define('FRONTPAGECOURSELIMIT', 200); // maximum number of courses displayed on the frontpage
44 define('EXCELROWS', 65535);
45 define('FIRSTUSEDEXCELROW', 3);
47 define('MOD_CLASS_ACTIVITY', 0);
48 define('MOD_CLASS_RESOURCE', 1);
50 function make_log_url($module, $url) {
53 if (strpos($url, 'report/') === 0) {
54 // there is only one report type, course reports are deprecated
64 if (strpos($url, '../') === 0) {
65 $url = ltrim($url, '.');
67 $url = "/course/$url";
72 $url = "/$module/$url";
85 $url = "/message/$url";
97 $url = "/mod/$module/$url";
101 //now let's sanitise urls - there might be some ugly nasties:-(
102 $parts = explode('?', $url);
103 $script = array_shift($parts);
104 if (strpos($script, 'http') === 0) {
105 $script = clean_param($script, PARAM_URL);
107 $script = clean_param($script, PARAM_PATH);
112 $query = implode('', $parts);
113 $query = str_replace('&', '&', $query); // both & and & are stored in db :-|
114 $parts = explode('&', $query);
115 $eq = urlencode('=');
116 foreach ($parts as $key=>$part) {
117 $part = urlencode(urldecode($part));
118 $part = str_replace($eq, '=', $part);
119 $parts[$key] = $part;
121 $query = '?'.implode('&', $parts);
124 return $script.$query;
128 function build_mnet_logs_array($hostid, $course, $user=0, $date=0, $order="l.time ASC", $limitfrom='', $limitnum='',
129 $modname="", $modid=0, $modaction="", $groupid=0) {
132 // It is assumed that $date is the GMT time of midnight for that day,
133 // and so the next 86400 seconds worth of logs are printed.
135 /// Setup for group handling.
137 // TODO: I don't understand group/context/etc. enough to be able to do
138 // something interesting with it here
139 // What is the context of a remote course?
141 /// If the group mode is separate, and this user does not have editing privileges,
142 /// then only the user's group can be viewed.
143 //if ($course->groupmode == SEPARATEGROUPS and !has_capability('moodle/course:managegroups', context_course::instance($course->id))) {
144 // $groupid = get_current_group($course->id);
146 /// If this course doesn't have groups, no groupid can be specified.
147 //else if (!$course->groupmode) {
156 $qry = "SELECT l.*, u.firstname, u.lastname, u.picture
158 LEFT JOIN {user} u ON l.userid = u.id
162 $where .= "l.hostid = :hostid";
163 $params['hostid'] = $hostid;
165 // TODO: Is 1 really a magic number referring to the sitename?
166 if ($course != SITEID || $modid != 0) {
167 $where .= " AND l.course=:courseid";
168 $params['courseid'] = $course;
172 $where .= " AND l.module = :modname";
173 $params['modname'] = $modname;
176 if ('site_errors' === $modid) {
177 $where .= " AND ( l.action='error' OR l.action='infected' )";
179 //TODO: This assumes that modids are the same across sites... probably
181 $where .= " AND l.cmid = :modid";
182 $params['modid'] = $modid;
186 $firstletter = substr($modaction, 0, 1);
187 if ($firstletter == '-') {
188 $where .= " AND ".$DB->sql_like('l.action', ':modaction', false, true, true);
189 $params['modaction'] = '%'.substr($modaction, 1).'%';
191 $where .= " AND ".$DB->sql_like('l.action', ':modaction', false);
192 $params['modaction'] = '%'.$modaction.'%';
197 $where .= " AND l.userid = :user";
198 $params['user'] = $user;
202 $enddate = $date + 86400;
203 $where .= " AND l.time > :date AND l.time < :enddate";
204 $params['date'] = $date;
205 $params['enddate'] = $enddate;
209 $result['totalcount'] = $DB->count_records_sql("SELECT COUNT('x') FROM {mnet_log} l WHERE $where", $params);
210 if(!empty($result['totalcount'])) {
211 $where .= " ORDER BY $order";
212 $result['logs'] = $DB->get_records_sql("$qry $where", $params, $limitfrom, $limitnum);
214 $result['logs'] = array();
219 function build_logs_array($course, $user=0, $date=0, $order="l.time ASC", $limitfrom='', $limitnum='',
220 $modname="", $modid=0, $modaction="", $groupid=0) {
221 global $DB, $SESSION, $USER;
222 // It is assumed that $date is the GMT time of midnight for that day,
223 // and so the next 86400 seconds worth of logs are printed.
225 /// Setup for group handling.
227 /// If the group mode is separate, and this user does not have editing privileges,
228 /// then only the user's group can be viewed.
229 if ($course->groupmode == SEPARATEGROUPS and !has_capability('moodle/course:managegroups', context_course::instance($course->id))) {
230 if (isset($SESSION->currentgroup[$course->id])) {
231 $groupid = $SESSION->currentgroup[$course->id];
233 $groupid = groups_get_all_groups($course->id, $USER->id);
234 if (is_array($groupid)) {
235 $groupid = array_shift(array_keys($groupid));
236 $SESSION->currentgroup[$course->id] = $groupid;
242 /// If this course doesn't have groups, no groupid can be specified.
243 else if (!$course->groupmode) {
250 if ($course->id != SITEID || $modid != 0) {
251 $joins[] = "l.course = :courseid";
252 $params['courseid'] = $course->id;
256 $joins[] = "l.module = :modname";
257 $params['modname'] = $modname;
260 if ('site_errors' === $modid) {
261 $joins[] = "( l.action='error' OR l.action='infected' )";
263 $joins[] = "l.cmid = :modid";
264 $params['modid'] = $modid;
268 $firstletter = substr($modaction, 0, 1);
269 if ($firstletter == '-') {
270 $joins[] = $DB->sql_like('l.action', ':modaction', false, true, true);
271 $params['modaction'] = '%'.substr($modaction, 1).'%';
273 $joins[] = $DB->sql_like('l.action', ':modaction', false);
274 $params['modaction'] = '%'.$modaction.'%';
279 /// Getting all members of a group.
280 if ($groupid and !$user) {
281 if ($gusers = groups_get_members($groupid)) {
282 $gusers = array_keys($gusers);
283 $joins[] = 'l.userid IN (' . implode(',', $gusers) . ')';
285 $joins[] = 'l.userid = 0'; // No users in groups, so we want something that will always be false.
289 $joins[] = "l.userid = :userid";
290 $params['userid'] = $user;
294 $enddate = $date + 86400;
295 $joins[] = "l.time > :date AND l.time < :enddate";
296 $params['date'] = $date;
297 $params['enddate'] = $enddate;
300 $selector = implode(' AND ', $joins);
302 $totalcount = 0; // Initialise
304 $result['logs'] = get_logs($selector, $params, $order, $limitfrom, $limitnum, $totalcount);
305 $result['totalcount'] = $totalcount;
310 function print_log($course, $user=0, $date=0, $order="l.time ASC", $page=0, $perpage=100,
311 $url="", $modname="", $modid=0, $modaction="", $groupid=0) {
313 global $CFG, $DB, $OUTPUT;
315 if (!$logs = build_logs_array($course, $user, $date, $order, $page*$perpage, $perpage,
316 $modname, $modid, $modaction, $groupid)) {
317 echo $OUTPUT->notification("No logs found!");
318 echo $OUTPUT->footer();
324 if ($course->id == SITEID) {
326 if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
327 foreach ($ccc as $cc) {
328 $courses[$cc->id] = $cc->shortname;
332 $courses[$course->id] = $course->shortname;
335 $totalcount = $logs['totalcount'];
338 $tt = getdate(time());
339 $today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
341 $strftimedatetime = get_string("strftimedatetime");
343 echo "<div class=\"info\">\n";
344 print_string("displayingrecords", "", $totalcount);
347 echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
349 $table = new html_table();
350 $table->classes = array('logtable','generalbox');
351 $table->align = array('right', 'left', 'left');
352 $table->head = array(
354 get_string('ip_address'),
355 get_string('fullnameuser'),
356 get_string('action'),
359 $table->data = array();
361 if ($course->id == SITEID) {
362 array_unshift($table->align, 'left');
363 array_unshift($table->head, get_string('course'));
366 // Make sure that the logs array is an array, even it is empty, to avoid warnings from the foreach.
367 if (empty($logs['logs'])) {
368 $logs['logs'] = array();
371 foreach ($logs['logs'] as $log) {
373 if (isset($ldcache[$log->module][$log->action])) {
374 $ld = $ldcache[$log->module][$log->action];
376 $ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
377 $ldcache[$log->module][$log->action] = $ld;
379 if ($ld && is_numeric($log->info)) {
380 // ugly hack to make sure fullname is shown correctly
381 if ($ld->mtable == 'user' && $ld->field == $DB->sql_concat('firstname', "' '" , 'lastname')) {
382 $log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
384 $log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
389 $log->info = format_string($log->info);
391 // If $log->url has been trimmed short by the db size restriction
392 // code in add_to_log, keep a note so we don't add a link to a broken url
393 $brokenurl=(textlib::strlen($log->url)==100 && textlib::substr($log->url,97)=='...');
396 if ($course->id == SITEID) {
397 if (empty($log->course)) {
398 $row[] = get_string('site');
400 $row[] = "<a href=\"{$CFG->wwwroot}/course/view.php?id={$log->course}\">". format_string($courses[$log->course])."</a>";
404 $row[] = userdate($log->time, '%a').' '.userdate($log->time, $strftimedatetime);
406 $link = new moodle_url("/iplookup/index.php?ip=$log->ip&user=$log->userid");
407 $row[] = $OUTPUT->action_link($link, $log->ip, new popup_action('click', $link, 'iplookup', array('height' => 440, 'width' => 700)));
409 $row[] = html_writer::link(new moodle_url("/user/view.php?id={$log->userid}&course={$log->course}"), fullname($log, has_capability('moodle/site:viewfullnames', context_course::instance($course->id))));
411 $displayaction="$log->module $log->action";
413 $row[] = $displayaction;
415 $link = make_log_url($log->module,$log->url);
416 $row[] = $OUTPUT->action_link($link, $displayaction, new popup_action('click', $link, 'fromloglive'), array('height' => 440, 'width' => 700));
419 $table->data[] = $row;
422 echo html_writer::table($table);
423 echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
427 function print_mnet_log($hostid, $course, $user=0, $date=0, $order="l.time ASC", $page=0, $perpage=100,
428 $url="", $modname="", $modid=0, $modaction="", $groupid=0) {
430 global $CFG, $DB, $OUTPUT;
432 if (!$logs = build_mnet_logs_array($hostid, $course, $user, $date, $order, $page*$perpage, $perpage,
433 $modname, $modid, $modaction, $groupid)) {
434 echo $OUTPUT->notification("No logs found!");
435 echo $OUTPUT->footer();
439 if ($course->id == SITEID) {
441 if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname,c.visible')) {
442 foreach ($ccc as $cc) {
443 $courses[$cc->id] = $cc->shortname;
448 $totalcount = $logs['totalcount'];
451 $tt = getdate(time());
452 $today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
454 $strftimedatetime = get_string("strftimedatetime");
456 echo "<div class=\"info\">\n";
457 print_string("displayingrecords", "", $totalcount);
460 echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
462 echo "<table class=\"logtable\" cellpadding=\"3\" cellspacing=\"0\">\n";
464 if ($course->id == SITEID) {
465 echo "<th class=\"c0 header\">".get_string('course')."</th>\n";
467 echo "<th class=\"c1 header\">".get_string('time')."</th>\n";
468 echo "<th class=\"c2 header\">".get_string('ip_address')."</th>\n";
469 echo "<th class=\"c3 header\">".get_string('fullnameuser')."</th>\n";
470 echo "<th class=\"c4 header\">".get_string('action')."</th>\n";
471 echo "<th class=\"c5 header\">".get_string('info')."</th>\n";
474 if (empty($logs['logs'])) {
480 foreach ($logs['logs'] as $log) {
482 $log->info = $log->coursename;
483 $row = ($row + 1) % 2;
485 if (isset($ldcache[$log->module][$log->action])) {
486 $ld = $ldcache[$log->module][$log->action];
488 $ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
489 $ldcache[$log->module][$log->action] = $ld;
491 if (0 && $ld && !empty($log->info)) {
492 // ugly hack to make sure fullname is shown correctly
493 if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
494 $log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
496 $log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
501 $log->info = format_string($log->info);
503 echo '<tr class="r'.$row.'">';
504 if ($course->id == SITEID) {
505 $courseshortname = format_string($courses[$log->course], true, array('context' => context_course::instance(SITEID)));
506 echo "<td class=\"r$row c0\" >\n";
507 echo " <a href=\"{$CFG->wwwroot}/course/view.php?id={$log->course}\">".$courseshortname."</a>\n";
510 echo "<td class=\"r$row c1\" align=\"right\">".userdate($log->time, '%a').
511 ' '.userdate($log->time, $strftimedatetime)."</td>\n";
512 echo "<td class=\"r$row c2\" >\n";
513 $link = new moodle_url("/iplookup/index.php?ip=$log->ip&user=$log->userid");
514 echo $OUTPUT->action_link($link, $log->ip, new popup_action('click', $link, 'iplookup', array('height' => 400, 'width' => 700)));
516 $fullname = fullname($log, has_capability('moodle/site:viewfullnames', context_course::instance($course->id)));
517 echo "<td class=\"r$row c3\" >\n";
518 echo " <a href=\"$CFG->wwwroot/user/view.php?id={$log->userid}\">$fullname</a>\n";
520 echo "<td class=\"r$row c4\">\n";
521 echo $log->action .': '.$log->module;
523 echo "<td class=\"r$row c5\">{$log->info}</td>\n";
528 echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
532 function print_log_csv($course, $user, $date, $order='l.time DESC', $modname,
533 $modid, $modaction, $groupid) {
536 require_once($CFG->libdir . '/csvlib.class.php');
538 $csvexporter = new csv_export_writer('tab');
541 $header[] = get_string('course');
542 $header[] = get_string('time');
543 $header[] = get_string('ip_address');
544 $header[] = get_string('fullnameuser');
545 $header[] = get_string('action');
546 $header[] = get_string('info');
548 if (!$logs = build_logs_array($course, $user, $date, $order, '', '',
549 $modname, $modid, $modaction, $groupid)) {
555 if ($course->id == SITEID) {
557 if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
558 foreach ($ccc as $cc) {
559 $courses[$cc->id] = $cc->shortname;
563 $courses[$course->id] = $course->shortname;
568 $tt = getdate(time());
569 $today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
571 $strftimedatetime = get_string("strftimedatetime");
573 $csvexporter->set_filename('logs', '.txt');
574 $title = array(get_string('savedat').userdate(time(), $strftimedatetime));
575 $csvexporter->add_data($title);
576 $csvexporter->add_data($header);
578 if (empty($logs['logs'])) {
582 foreach ($logs['logs'] as $log) {
583 if (isset($ldcache[$log->module][$log->action])) {
584 $ld = $ldcache[$log->module][$log->action];
586 $ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
587 $ldcache[$log->module][$log->action] = $ld;
589 if ($ld && !empty($log->info)) {
590 // ugly hack to make sure fullname is shown correctly
591 if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
592 $log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
594 $log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
599 $log->info = format_string($log->info);
600 $log->info = strip_tags(urldecode($log->info)); // Some XSS protection
602 $coursecontext = context_course::instance($course->id);
603 $firstField = format_string($courses[$log->course], true, array('context' => $coursecontext));
604 $fullname = fullname($log, has_capability('moodle/site:viewfullnames', $coursecontext));
605 $row = array($firstField, userdate($log->time, $strftimedatetime), $log->ip, $fullname, $log->module.' '.$log->action, $log->info);
606 $csvexporter->add_data($row);
608 $csvexporter->download_file();
613 function print_log_xls($course, $user, $date, $order='l.time DESC', $modname,
614 $modid, $modaction, $groupid) {
618 require_once("$CFG->libdir/excellib.class.php");
620 if (!$logs = build_logs_array($course, $user, $date, $order, '', '',
621 $modname, $modid, $modaction, $groupid)) {
627 if ($course->id == SITEID) {
629 if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
630 foreach ($ccc as $cc) {
631 $courses[$cc->id] = $cc->shortname;
635 $courses[$course->id] = $course->shortname;
640 $tt = getdate(time());
641 $today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
643 $strftimedatetime = get_string("strftimedatetime");
645 $nroPages = ceil(count($logs)/(EXCELROWS-FIRSTUSEDEXCELROW+1));
646 $filename = 'logs_'.userdate(time(),get_string('backupnameformat', 'langconfig'),99,false);
649 $workbook = new MoodleExcelWorkbook('-');
650 $workbook->send($filename);
652 $worksheet = array();
653 $headers = array(get_string('course'), get_string('time'), get_string('ip_address'),
654 get_string('fullnameuser'), get_string('action'), get_string('info'));
656 // Creating worksheets
657 for ($wsnumber = 1; $wsnumber <= $nroPages; $wsnumber++) {
658 $sheettitle = get_string('logs').' '.$wsnumber.'-'.$nroPages;
659 $worksheet[$wsnumber] =& $workbook->add_worksheet($sheettitle);
660 $worksheet[$wsnumber]->set_column(1, 1, 30);
661 $worksheet[$wsnumber]->write_string(0, 0, get_string('savedat').
662 userdate(time(), $strftimedatetime));
664 foreach ($headers as $item) {
665 $worksheet[$wsnumber]->write(FIRSTUSEDEXCELROW-1,$col,$item,'');
670 if (empty($logs['logs'])) {
675 $formatDate =& $workbook->add_format();
676 $formatDate->set_num_format(get_string('log_excel_date_format'));
678 $row = FIRSTUSEDEXCELROW;
680 $myxls =& $worksheet[$wsnumber];
681 foreach ($logs['logs'] as $log) {
682 if (isset($ldcache[$log->module][$log->action])) {
683 $ld = $ldcache[$log->module][$log->action];
685 $ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
686 $ldcache[$log->module][$log->action] = $ld;
688 if ($ld && !empty($log->info)) {
689 // ugly hack to make sure fullname is shown correctly
690 if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
691 $log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
693 $log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
698 $log->info = format_string($log->info);
699 $log->info = strip_tags(urldecode($log->info)); // Some XSS protection
702 if ($row > EXCELROWS) {
704 $myxls =& $worksheet[$wsnumber];
705 $row = FIRSTUSEDEXCELROW;
709 $coursecontext = context_course::instance($course->id);
711 $myxls->write($row, 0, format_string($courses[$log->course], true, array('context' => $coursecontext)), '');
712 $myxls->write_date($row, 1, $log->time, $formatDate); // write_date() does conversion/timezone support. MDL-14934
713 $myxls->write($row, 2, $log->ip, '');
714 $fullname = fullname($log, has_capability('moodle/site:viewfullnames', $coursecontext));
715 $myxls->write($row, 3, $fullname, '');
716 $myxls->write($row, 4, $log->module.' '.$log->action, '');
717 $myxls->write($row, 5, $log->info, '');
726 function print_log_ods($course, $user, $date, $order='l.time DESC', $modname,
727 $modid, $modaction, $groupid) {
731 require_once("$CFG->libdir/odslib.class.php");
733 if (!$logs = build_logs_array($course, $user, $date, $order, '', '',
734 $modname, $modid, $modaction, $groupid)) {
740 if ($course->id == SITEID) {
742 if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
743 foreach ($ccc as $cc) {
744 $courses[$cc->id] = $cc->shortname;
748 $courses[$course->id] = $course->shortname;
753 $tt = getdate(time());
754 $today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
756 $strftimedatetime = get_string("strftimedatetime");
758 $nroPages = ceil(count($logs)/(EXCELROWS-FIRSTUSEDEXCELROW+1));
759 $filename = 'logs_'.userdate(time(),get_string('backupnameformat', 'langconfig'),99,false);
762 $workbook = new MoodleODSWorkbook('-');
763 $workbook->send($filename);
765 $worksheet = array();
766 $headers = array(get_string('course'), get_string('time'), get_string('ip_address'),
767 get_string('fullnameuser'), get_string('action'), get_string('info'));
769 // Creating worksheets
770 for ($wsnumber = 1; $wsnumber <= $nroPages; $wsnumber++) {
771 $sheettitle = get_string('logs').' '.$wsnumber.'-'.$nroPages;
772 $worksheet[$wsnumber] =& $workbook->add_worksheet($sheettitle);
773 $worksheet[$wsnumber]->set_column(1, 1, 30);
774 $worksheet[$wsnumber]->write_string(0, 0, get_string('savedat').
775 userdate(time(), $strftimedatetime));
777 foreach ($headers as $item) {
778 $worksheet[$wsnumber]->write(FIRSTUSEDEXCELROW-1,$col,$item,'');
783 if (empty($logs['logs'])) {
788 $formatDate =& $workbook->add_format();
789 $formatDate->set_num_format(get_string('log_excel_date_format'));
791 $row = FIRSTUSEDEXCELROW;
793 $myxls =& $worksheet[$wsnumber];
794 foreach ($logs['logs'] as $log) {
795 if (isset($ldcache[$log->module][$log->action])) {
796 $ld = $ldcache[$log->module][$log->action];
798 $ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
799 $ldcache[$log->module][$log->action] = $ld;
801 if ($ld && !empty($log->info)) {
802 // ugly hack to make sure fullname is shown correctly
803 if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
804 $log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
806 $log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
811 $log->info = format_string($log->info);
812 $log->info = strip_tags(urldecode($log->info)); // Some XSS protection
815 if ($row > EXCELROWS) {
817 $myxls =& $worksheet[$wsnumber];
818 $row = FIRSTUSEDEXCELROW;
822 $coursecontext = context_course::instance($course->id);
824 $myxls->write_string($row, 0, format_string($courses[$log->course], true, array('context' => $coursecontext)));
825 $myxls->write_date($row, 1, $log->time);
826 $myxls->write_string($row, 2, $log->ip);
827 $fullname = fullname($log, has_capability('moodle/site:viewfullnames', $coursecontext));
828 $myxls->write_string($row, 3, $fullname);
829 $myxls->write_string($row, 4, $log->module.' '.$log->action);
830 $myxls->write_string($row, 5, $log->info);
840 function print_overview($courses, array $remote_courses=array()) {
841 global $CFG, $USER, $DB, $OUTPUT;
843 $htmlarray = array();
844 if ($modules = $DB->get_records('modules')) {
845 foreach ($modules as $mod) {
846 if (file_exists(dirname(dirname(__FILE__)).'/mod/'.$mod->name.'/lib.php')) {
847 include_once(dirname(dirname(__FILE__)).'/mod/'.$mod->name.'/lib.php');
848 $fname = $mod->name.'_print_overview';
849 if (function_exists($fname)) {
850 $fname($courses,$htmlarray);
855 foreach ($courses as $course) {
856 $fullname = format_string($course->fullname, true, array('context' => context_course::instance($course->id)));
857 echo $OUTPUT->box_start('coursebox');
858 $attributes = array('title' => s($fullname));
859 if (empty($course->visible)) {
860 $attributes['class'] = 'dimmed';
862 echo $OUTPUT->heading(html_writer::link(
863 new moodle_url('/course/view.php', array('id' => $course->id)), $fullname, $attributes), 3);
864 if (array_key_exists($course->id,$htmlarray)) {
865 foreach ($htmlarray[$course->id] as $modname => $html) {
869 echo $OUTPUT->box_end();
872 if (!empty($remote_courses)) {
873 echo $OUTPUT->heading(get_string('remotecourses', 'mnet'));
875 foreach ($remote_courses as $course) {
876 echo $OUTPUT->box_start('coursebox');
877 $attributes = array('title' => s($course->fullname));
878 echo $OUTPUT->heading(html_writer::link(
879 new moodle_url('/auth/mnet/jump.php', array('hostid' => $course->hostid, 'wantsurl' => '/course/view.php?id='.$course->remoteid)),
880 format_string($course->shortname),
881 $attributes) . ' (' . format_string($course->hostname) . ')', 3);
882 echo $OUTPUT->box_end();
888 * This function trawls through the logs looking for
889 * anything new since the user's last login
891 function print_recent_activity($course) {
892 // $course is an object
893 global $CFG, $USER, $SESSION, $DB, $OUTPUT;
895 $context = context_course::instance($course->id);
897 $viewfullnames = has_capability('moodle/site:viewfullnames', $context);
899 $timestart = round(time() - COURSE_MAX_RECENT_PERIOD, -2); // better db caching for guests - 100 seconds
901 if (!isguestuser()) {
902 if (!empty($USER->lastcourseaccess[$course->id])) {
903 if ($USER->lastcourseaccess[$course->id] > $timestart) {
904 $timestart = $USER->lastcourseaccess[$course->id];
909 echo '<div class="activitydate">';
910 echo get_string('activitysince', '', userdate($timestart));
912 echo '<div class="activityhead">';
914 echo '<a href="'.$CFG->wwwroot.'/course/recent.php?id='.$course->id.'">'.get_string('recentactivityreport').'</a>';
920 /// Firstly, have there been any new enrolments?
922 $users = get_recent_enrolments($course->id, $timestart);
924 //Accessibility: new users now appear in an <OL> list.
926 echo '<div class="newusers">';
927 echo $OUTPUT->heading(get_string("newusers").':', 3);
929 echo "<ol class=\"list\">\n";
930 foreach ($users as $user) {
931 $fullname = fullname($user, $viewfullnames);
932 echo '<li class="name"><a href="'."$CFG->wwwroot/user/view.php?id=$user->id&course=$course->id\">$fullname</a></li>\n";
934 echo "</ol>\n</div>\n";
937 /// Next, have there been any modifications to the course structure?
939 $modinfo = get_fast_modinfo($course);
941 $changelist = array();
943 $logs = $DB->get_records_select('log', "time > ? AND course = ? AND
944 module = 'course' AND
945 (action = 'add mod' OR action = 'update mod' OR action = 'delete mod')",
946 array($timestart, $course->id), "id ASC");
949 $actions = array('add mod', 'update mod', 'delete mod');
950 $newgones = array(); // added and later deleted items
951 foreach ($logs as $key => $log) {
952 if (!in_array($log->action, $actions)) {
955 $info = explode(' ', $log->info);
957 // note: in most cases I replaced hardcoding of label with use of
958 // $cm->has_view() but it was not possible to do this here because
959 // we don't necessarily have the $cm for it
960 if ($info[0] == 'label') { // Labels are ignored in recent activity
964 if (count($info) != 2) {
965 debugging("Incorrect log entry info: id = ".$log->id, DEBUG_DEVELOPER);
970 $instanceid = $info[1];
972 if ($log->action == 'delete mod') {
973 // unfortunately we do not know if the mod was visible
974 if (!array_key_exists($log->info, $newgones)) {
975 $strdeleted = get_string('deletedactivity', 'moodle', get_string('modulename', $modname));
976 $changelist[$log->info] = array ('operation' => 'delete', 'text' => $strdeleted);
979 if (!isset($modinfo->instances[$modname][$instanceid])) {
980 if ($log->action == 'add mod') {
981 // do not display added and later deleted activities
982 $newgones[$log->info] = true;
986 $cm = $modinfo->instances[$modname][$instanceid];
987 if (!$cm->uservisible) {
991 if ($log->action == 'add mod') {
992 $stradded = get_string('added', 'moodle', get_string('modulename', $modname));
993 $changelist[$log->info] = array('operation' => 'add', 'text' => "$stradded:<br /><a href=\"$CFG->wwwroot/mod/$cm->modname/view.php?id={$cm->id}\">".format_string($cm->name, true)."</a>");
995 } else if ($log->action == 'update mod' and empty($changelist[$log->info])) {
996 $strupdated = get_string('updated', 'moodle', get_string('modulename', $modname));
997 $changelist[$log->info] = array('operation' => 'update', 'text' => "$strupdated:<br /><a href=\"$CFG->wwwroot/mod/$cm->modname/view.php?id={$cm->id}\">".format_string($cm->name, true)."</a>");
1003 if (!empty($changelist)) {
1004 echo $OUTPUT->heading(get_string("courseupdates").':', 3);
1006 foreach ($changelist as $changeinfo => $change) {
1007 echo '<p class="activity">'.$change['text'].'</p>';
1011 /// Now display new things from each module
1013 $usedmodules = array();
1014 foreach($modinfo->cms as $cm) {
1015 if (isset($usedmodules[$cm->modname])) {
1018 if (!$cm->uservisible) {
1021 $usedmodules[$cm->modname] = $cm->modname;
1024 foreach ($usedmodules as $modname) { // Each module gets it's own logs and prints them
1025 if (file_exists($CFG->dirroot.'/mod/'.$modname.'/lib.php')) {
1026 include_once($CFG->dirroot.'/mod/'.$modname.'/lib.php');
1027 $print_recent_activity = $modname.'_print_recent_activity';
1028 if (function_exists($print_recent_activity)) {
1029 // NOTE: original $isteacher (second parameter below) was replaced with $viewfullnames!
1030 $content = $print_recent_activity($course, $viewfullnames, $timestart) || $content;
1033 debugging("Missing lib.php in lib/{$modname} - please reinstall files or uninstall the module");
1038 echo '<p class="message">'.get_string('nothingnew').'</p>';
1043 * For a given course, returns an array of course activity objects
1044 * Each item in the array contains he following properties:
1046 function get_array_of_activities($courseid) {
1047 // cm - course module id
1048 // mod - name of the module (eg forum)
1049 // section - the number of the section (eg week or topic)
1050 // name - the name of the instance
1051 // visible - is the instance visible or not
1052 // groupingid - grouping id
1053 // groupmembersonly - is this instance visible to group members only
1054 // extra - contains extra string to include in any link
1056 if(!empty($CFG->enableavailability)) {
1057 require_once($CFG->libdir.'/conditionlib.php');
1060 $course = $DB->get_record('course', array('id'=>$courseid));
1062 if (empty($course)) {
1063 throw new moodle_exception('courseidnotfound');
1068 $rawmods = get_course_mods($courseid);
1069 if (empty($rawmods)) {
1070 return $mod; // always return array
1073 if ($sections = $DB->get_records("course_sections", array("course"=>$courseid), "section ASC")) {
1074 foreach ($sections as $section) {
1075 if (!empty($section->sequence)) {
1076 $sequence = explode(",", $section->sequence);
1077 foreach ($sequence as $seq) {
1078 if (empty($rawmods[$seq])) {
1081 $mod[$seq] = new stdClass();
1082 $mod[$seq]->id = $rawmods[$seq]->instance;
1083 $mod[$seq]->cm = $rawmods[$seq]->id;
1084 $mod[$seq]->mod = $rawmods[$seq]->modname;
1086 // Oh dear. Inconsistent names left here for backward compatibility.
1087 $mod[$seq]->section = $section->section;
1088 $mod[$seq]->sectionid = $rawmods[$seq]->section;
1090 $mod[$seq]->module = $rawmods[$seq]->module;
1091 $mod[$seq]->added = $rawmods[$seq]->added;
1092 $mod[$seq]->score = $rawmods[$seq]->score;
1093 $mod[$seq]->idnumber = $rawmods[$seq]->idnumber;
1094 $mod[$seq]->visible = $rawmods[$seq]->visible;
1095 $mod[$seq]->visibleold = $rawmods[$seq]->visibleold;
1096 $mod[$seq]->groupmode = $rawmods[$seq]->groupmode;
1097 $mod[$seq]->groupingid = $rawmods[$seq]->groupingid;
1098 $mod[$seq]->groupmembersonly = $rawmods[$seq]->groupmembersonly;
1099 $mod[$seq]->indent = $rawmods[$seq]->indent;
1100 $mod[$seq]->completion = $rawmods[$seq]->completion;
1101 $mod[$seq]->extra = "";
1102 $mod[$seq]->completiongradeitemnumber =
1103 $rawmods[$seq]->completiongradeitemnumber;
1104 $mod[$seq]->completionview = $rawmods[$seq]->completionview;
1105 $mod[$seq]->completionexpected = $rawmods[$seq]->completionexpected;
1106 $mod[$seq]->availablefrom = $rawmods[$seq]->availablefrom;
1107 $mod[$seq]->availableuntil = $rawmods[$seq]->availableuntil;
1108 $mod[$seq]->showavailability = $rawmods[$seq]->showavailability;
1109 $mod[$seq]->showdescription = $rawmods[$seq]->showdescription;
1110 if (!empty($CFG->enableavailability)) {
1111 condition_info::fill_availability_conditions($rawmods[$seq]);
1112 $mod[$seq]->conditionscompletion = $rawmods[$seq]->conditionscompletion;
1113 $mod[$seq]->conditionsgrade = $rawmods[$seq]->conditionsgrade;
1114 $mod[$seq]->conditionsfield = $rawmods[$seq]->conditionsfield;
1117 $modname = $mod[$seq]->mod;
1118 $functionname = $modname."_get_coursemodule_info";
1120 if (!file_exists("$CFG->dirroot/mod/$modname/lib.php")) {
1124 include_once("$CFG->dirroot/mod/$modname/lib.php");
1126 if ($hasfunction = function_exists($functionname)) {
1127 if ($info = $functionname($rawmods[$seq])) {
1128 if (!empty($info->icon)) {
1129 $mod[$seq]->icon = $info->icon;
1131 if (!empty($info->iconcomponent)) {
1132 $mod[$seq]->iconcomponent = $info->iconcomponent;
1134 if (!empty($info->name)) {
1135 $mod[$seq]->name = $info->name;
1137 if ($info instanceof cached_cm_info) {
1138 // When using cached_cm_info you can include three new fields
1139 // that aren't available for legacy code
1140 if (!empty($info->content)) {
1141 $mod[$seq]->content = $info->content;
1143 if (!empty($info->extraclasses)) {
1144 $mod[$seq]->extraclasses = $info->extraclasses;
1146 if (!empty($info->iconurl)) {
1147 $mod[$seq]->iconurl = $info->iconurl;
1149 if (!empty($info->onclick)) {
1150 $mod[$seq]->onclick = $info->onclick;
1152 if (!empty($info->customdata)) {
1153 $mod[$seq]->customdata = $info->customdata;
1156 // When using a stdclass, the (horrible) deprecated ->extra field
1157 // is available for BC
1158 if (!empty($info->extra)) {
1159 $mod[$seq]->extra = $info->extra;
1164 // When there is no modname_get_coursemodule_info function,
1165 // but showdescriptions is enabled, then we use the 'intro'
1166 // and 'introformat' fields in the module table
1167 if (!$hasfunction && $rawmods[$seq]->showdescription) {
1168 if ($modvalues = $DB->get_record($rawmods[$seq]->modname,
1169 array('id' => $rawmods[$seq]->instance), 'name, intro, introformat')) {
1170 // Set content from intro and introformat. Filters are disabled
1171 // because we filter it with format_text at display time
1172 $mod[$seq]->content = format_module_intro($rawmods[$seq]->modname,
1173 $modvalues, $rawmods[$seq]->id, false);
1175 // To save making another query just below, put name in here
1176 $mod[$seq]->name = $modvalues->name;
1179 if (!isset($mod[$seq]->name)) {
1180 $mod[$seq]->name = $DB->get_field($rawmods[$seq]->modname, "name", array("id"=>$rawmods[$seq]->instance));
1183 // Minimise the database size by unsetting default options when they are
1184 // 'empty'. This list corresponds to code in the cm_info constructor.
1185 foreach (array('idnumber', 'groupmode', 'groupingid', 'groupmembersonly',
1186 'indent', 'completion', 'extra', 'extraclasses', 'iconurl', 'onclick', 'content',
1187 'icon', 'iconcomponent', 'customdata', 'showavailability', 'availablefrom',
1188 'availableuntil', 'conditionscompletion', 'conditionsgrade',
1189 'completionview', 'completionexpected', 'score', 'showdescription')
1191 if (property_exists($mod[$seq], $property) &&
1192 empty($mod[$seq]->{$property})) {
1193 unset($mod[$seq]->{$property});
1196 // Special case: this value is usually set to null, but may be 0
1197 if (property_exists($mod[$seq], 'completiongradeitemnumber') &&
1198 is_null($mod[$seq]->completiongradeitemnumber)) {
1199 unset($mod[$seq]->completiongradeitemnumber);
1210 * Returns a number of useful structures for course displays
1212 function get_all_mods($courseid, &$mods, &$modnames, &$modnamesplural, &$modnamesused) {
1213 global $CFG, $DB, $COURSE;
1215 $mods = array(); // course modules indexed by id
1216 $modnames = array(); // all course module names (except resource!)
1217 $modnamesplural= array(); // all course module names (plural form)
1218 $modnamesused = array(); // course module names used
1220 if ($allmods = $DB->get_records("modules")) {
1221 foreach ($allmods as $mod) {
1222 if (!file_exists("$CFG->dirroot/mod/$mod->name/lib.php")) {
1225 if ($mod->visible) {
1226 $modnames[$mod->name] = get_string("modulename", "$mod->name");
1227 $modnamesplural[$mod->name] = get_string("modulenameplural", "$mod->name");
1230 collatorlib::asort($modnames);
1232 print_error("nomodules", 'debug');
1235 $course = ($courseid==$COURSE->id) ? $COURSE : $DB->get_record('course',array('id'=>$courseid));
1236 $modinfo = get_fast_modinfo($course);
1238 if ($rawmods=$modinfo->cms) {
1239 foreach($rawmods as $mod) { // Index the mods
1240 if (empty($modnames[$mod->modname])) {
1243 $mods[$mod->id] = $mod;
1244 $mods[$mod->id]->modfullname = $modnames[$mod->modname];
1245 if (!$mod->visible and !has_capability('moodle/course:viewhiddenactivities', context_course::instance($courseid))) {
1249 if (!groups_course_module_visible($mod)) {
1252 $modnamesused[$mod->modname] = $modnames[$mod->modname];
1254 if ($modnamesused) {
1255 collatorlib::asort($modnamesused);
1261 * Returns an array of sections for the requested course id
1263 * This function stores the sections against the course id within a staticvar encase
1264 * of subsequent requests. This is used all over + in some standard libs and course
1265 * format callbacks so subsequent requests are a reality.
1267 * Note: Since Moodle 2.3, it is more efficient to get this data by calling
1268 * get_fast_modinfo, then using $modinfo->get_section_info or get_section_info_all.
1270 * @staticvar array $coursesections
1271 * @param int $courseid
1272 * @return array Array of sections
1274 function get_all_sections($courseid) {
1276 static $coursesections = array();
1277 if (!array_key_exists($courseid, $coursesections)) {
1278 $coursesections[$courseid] = $DB->get_records("course_sections", array("course"=>"$courseid"), "section",
1279 'section, id, course, name, summary, summaryformat, sequence, visible, ' .
1280 'availablefrom, availableuntil, showavailability, groupingid');
1282 return $coursesections[$courseid];
1286 * Set highlighted section. Only one section can be highlighted at the time.
1288 * @param int $courseid course id
1289 * @param int $marker highlight section with this number, 0 means remove higlightin
1292 function course_set_marker($courseid, $marker) {
1294 $DB->set_field("course", "marker", $marker, array('id' => $courseid));
1298 * For a given course section, marks it visible or hidden,
1299 * and does the same for every activity in that section
1301 * @param int $courseid course id
1302 * @param int $sectionnumber The section number to adjust
1303 * @param int $visibility The new visibility
1304 * @return array A list of resources which were hidden in the section
1306 function set_section_visible($courseid, $sectionnumber, $visibility) {
1309 $resourcestotoggle = array();
1310 if ($section = $DB->get_record("course_sections", array("course"=>$courseid, "section"=>$sectionnumber))) {
1311 $DB->set_field("course_sections", "visible", "$visibility", array("id"=>$section->id));
1312 if (!empty($section->sequence)) {
1313 $modules = explode(",", $section->sequence);
1314 foreach ($modules as $moduleid) {
1315 set_coursemodule_visible($moduleid, $visibility, true);
1318 rebuild_course_cache($courseid);
1320 // Determine which modules are visible for AJAX update
1321 if (!empty($modules)) {
1322 list($insql, $params) = $DB->get_in_or_equal($modules);
1323 $select = 'id ' . $insql . ' AND visible = ?';
1324 array_push($params, $visibility);
1326 $select .= ' AND visibleold = 1';
1328 $resourcestotoggle = $DB->get_fieldset_select('course_modules', 'id', $select, $params);
1331 return $resourcestotoggle;
1335 * Obtains shared data that is used in print_section when displaying a
1336 * course-module entry.
1338 * Calls format_text or format_string as appropriate, and obtains the correct icon.
1340 * This data is also used in other areas of the code.
1341 * @param cm_info $cm Course-module data (must come from get_fast_modinfo)
1342 * @param object $course Moodle course object
1343 * @return array An array with the following values in this order:
1344 * $content (optional extra content for after link),
1345 * $instancename (text of link)
1347 function get_print_section_cm_text(cm_info $cm, $course) {
1350 // Get content from modinfo if specified. Content displays either
1351 // in addition to the standard link (below), or replaces it if
1352 // the link is turned off by setting ->url to null.
1353 if (($content = $cm->get_content()) !== '') {
1354 // Improve filter performance by preloading filter setttings for all
1355 // activities on the course (this does nothing if called multiple
1357 filter_preload_activities($cm->get_modinfo());
1359 // Get module context
1360 $modulecontext = context_module::instance($cm->id);
1361 $labelformatoptions = new stdClass();
1362 $labelformatoptions->noclean = true;
1363 $labelformatoptions->overflowdiv = true;
1364 $labelformatoptions->context = $modulecontext;
1365 $content = format_text($content, FORMAT_HTML, $labelformatoptions);
1370 // Get course context
1371 $coursecontext = context_course::instance($course->id);
1372 $stringoptions = new stdClass;
1373 $stringoptions->context = $coursecontext;
1374 $instancename = format_string($cm->name, true, $stringoptions);
1375 return array($content, $instancename);
1379 * Prints a section full of activity modules
1381 * @param stdClass $course The course
1382 * @param stdClass $section The section
1383 * @param array $mods The modules in the section
1384 * @param array $modnamesused An array containing the list of modules and their names
1385 * @param bool $absolute All links are absolute
1386 * @param string $width Width of the container
1387 * @param bool $hidecompletion Hide completion status
1388 * @param int $sectionreturn The section to return to
1391 function print_section($course, $section, $mods, $modnamesused, $absolute=false, $width="100%", $hidecompletion=false, $sectionreturn=0) {
1392 global $CFG, $USER, $DB, $PAGE, $OUTPUT;
1394 static $initialised;
1396 static $groupbuttons;
1397 static $groupbuttonslink;
1400 static $strmovehere;
1401 static $strmovefull;
1402 static $strunreadpostsone;
1403 static $modulenames;
1405 if (!isset($initialised)) {
1406 $groupbuttons = ($course->groupmode or (!$course->groupmodeforce));
1407 $groupbuttonslink = (!$course->groupmodeforce);
1408 $isediting = $PAGE->user_is_editing();
1409 $ismoving = $isediting && ismoving($course->id);
1411 $strmovehere = get_string("movehere");
1412 $strmovefull = strip_tags(get_string("movefull", "", "'$USER->activitycopyname'"));
1414 $modulenames = array();
1415 $initialised = true;
1418 $modinfo = get_fast_modinfo($course);
1419 $completioninfo = new completion_info($course);
1421 //Accessibility: replace table with list <ul>, but don't output empty list.
1422 if (!empty($section->sequence)) {
1424 // Fix bug #5027, don't want style=\"width:$width\".
1425 echo "<ul class=\"section img-text\">\n";
1426 $sectionmods = explode(",", $section->sequence);
1428 foreach ($sectionmods as $modnumber) {
1429 if (empty($mods[$modnumber])) {
1436 $mod = $mods[$modnumber];
1438 if ($ismoving and $mod->id == $USER->activitycopy) {
1439 // do not display moving mod
1443 if (isset($modinfo->cms[$modnumber])) {
1444 // We can continue (because it will not be displayed at all)
1446 // 1) The activity is not visible to users
1448 // 2a) The 'showavailability' option is not set (if that is set,
1449 // we need to display the activity so we can show
1450 // availability info)
1452 // 2b) The 'availableinfo' is empty, i.e. the activity was
1453 // hidden in a way that leaves no info, such as using the
1455 if (!$modinfo->cms[$modnumber]->uservisible &&
1456 (empty($modinfo->cms[$modnumber]->showavailability) ||
1457 empty($modinfo->cms[$modnumber]->availableinfo))) {
1458 // visibility shortcut
1462 if (!file_exists("$CFG->dirroot/mod/$mod->modname/lib.php")) {
1463 // module not installed
1466 if (!coursemodule_visible_for_user($mod) &&
1467 empty($mod->showavailability)) {
1468 // full visibility check
1473 if (!isset($modulenames[$mod->modname])) {
1474 $modulenames[$mod->modname] = get_string('modulename', $mod->modname);
1476 $modulename = $modulenames[$mod->modname];
1478 // In some cases the activity is visible to user, but it is
1479 // dimmed. This is done if viewhiddenactivities is true and if:
1480 // 1. the activity is not visible, or
1481 // 2. the activity has dates set which do not include current, or
1482 // 3. the activity has any other conditions set (regardless of whether
1483 // current user meets them)
1484 $modcontext = context_module::instance($mod->id);
1485 $canviewhidden = has_capability('moodle/course:viewhiddenactivities', $modcontext);
1486 $accessiblebutdim = false;
1487 if ($canviewhidden) {
1488 $accessiblebutdim = !$mod->visible;
1489 if (!empty($CFG->enableavailability)) {
1490 $accessiblebutdim = $accessiblebutdim ||
1491 $mod->availablefrom > time() ||
1492 ($mod->availableuntil && $mod->availableuntil < time()) ||
1493 count($mod->conditionsgrade) > 0 ||
1494 count($mod->conditionscompletion) > 0;
1498 $liclasses = array();
1499 $liclasses[] = 'activity';
1500 $liclasses[] = $mod->modname;
1501 $liclasses[] = 'modtype_'.$mod->modname;
1502 $extraclasses = $mod->get_extra_classes();
1503 if ($extraclasses) {
1504 $liclasses = array_merge($liclasses, explode(' ', $extraclasses));
1506 echo html_writer::start_tag('li', array('class'=>join(' ', $liclasses), 'id'=>'module-'.$modnumber));
1508 echo '<a title="'.$strmovefull.'"'.
1509 ' href="'.$CFG->wwwroot.'/course/mod.php?moveto='.$mod->id.'&sesskey='.sesskey().'">'.
1510 '<img class="movetarget" src="'.$OUTPUT->pix_url('movehere') . '" '.
1511 ' alt="'.$strmovehere.'" /></a><br />
1515 $classes = array('mod-indent');
1516 if (!empty($mod->indent)) {
1517 $classes[] = 'mod-indent-'.$mod->indent;
1518 if ($mod->indent > 15) {
1519 $classes[] = 'mod-indent-huge';
1522 echo html_writer::start_tag('div', array('class'=>join(' ', $classes)));
1524 // Get data about this course-module
1525 list($content, $instancename) =
1526 get_print_section_cm_text($modinfo->cms[$modnumber], $course);
1528 //Accessibility: for files get description via icon, this is very ugly hack!
1530 $altname = $mod->modfullname;
1531 // Avoid unnecessary duplication: if e.g. a forum name already
1532 // includes the word forum (or Forum, etc) then it is unhelpful
1533 // to include that in the accessible description that is added.
1534 if (false !== strpos(textlib::strtolower($instancename),
1535 textlib::strtolower($altname))) {
1538 // File type after name, for alphabetic lists (screen reader).
1540 $altname = get_accesshide(' '.$altname);
1543 // We may be displaying this just in order to show information
1544 // about visibility, without the actual link
1546 if ($mod->uservisible) {
1547 // Nope - in this case the link is fully working for user
1550 if ($accessiblebutdim) {
1551 $linkclasses .= ' dimmed';
1552 $textclasses .= ' dimmed_text';
1553 $accesstext = '<span class="accesshide">'.
1554 get_string('hiddenfromstudents').': </span>';
1559 $linkcss = 'class="' . trim($linkclasses) . '" ';
1564 $textcss = 'class="' . trim($textclasses) . '" ';
1569 // Get on-click attribute value if specified
1570 $onclick = $mod->get_on_click();
1572 $onclick = ' onclick="' . $onclick . '"';
1575 if ($url = $mod->get_url()) {
1576 // Display link itself
1577 echo '<a ' . $linkcss . $mod->extra . $onclick .
1578 ' href="' . $url . '"><img src="' . $mod->get_icon_url() .
1579 '" class="activityicon" alt="' .
1580 $modulename . '" /> ' .
1581 $accesstext . '<span class="instancename">' .
1582 $instancename . $altname . '</span></a>';
1584 // If specified, display extra content after link
1586 $contentpart = '<div class="' . trim('contentafterlink' . $textclasses) .
1587 '">' . $content . '</div>';
1590 // No link, so display only content
1591 $contentpart = '<div ' . $textcss . $mod->extra . '>' .
1592 $accesstext . $content . '</div>';
1595 if (!empty($mod->groupingid) && has_capability('moodle/course:managegroups', context_course::instance($course->id))) {
1596 $groupings = groups_get_all_groupings($course->id);
1597 echo " <span class=\"groupinglabel\">(".format_string($groupings[$mod->groupingid]->name).')</span>';
1600 $textclasses = $extraclasses;
1601 $textclasses .= ' dimmed_text';
1603 $textcss = 'class="' . trim($textclasses) . '" ';
1607 $accesstext = '<span class="accesshide">' .
1608 get_string('notavailableyet', 'condition') .
1611 if ($url = $mod->get_url()) {
1612 // Display greyed-out text of link
1613 echo '<div ' . $textcss . $mod->extra .
1614 ' >' . '<img src="' . $mod->get_icon_url() .
1615 '" class="activityicon" alt="' .
1617 '" /> <span>'. $instancename . $altname .
1620 // Do not display content after link when it is greyed out like this.
1622 // No link, so display only content (also greyed)
1623 $contentpart = '<div ' . $textcss . $mod->extra . '>' .
1624 $accesstext . $content . '</div>';
1628 // Module can put text after the link (e.g. forum unread)
1629 echo $mod->get_after_link();
1631 // If there is content but NO link (eg label), then display the
1632 // content here (BEFORE any icons). In this case cons must be
1633 // displayed after the content so that it makes more sense visually
1634 // and for accessibility reasons, e.g. if you have a one-line label
1635 // it should work similarly (at least in terms of ordering) to an
1642 if ($groupbuttons and plugin_supports('mod', $mod->modname, FEATURE_GROUPS, 0)) {
1643 if (! $mod->groupmodelink = $groupbuttonslink) {
1644 $mod->groupmode = $course->groupmode;
1648 $mod->groupmode = false;
1650 echo ' ';
1651 echo make_editing_buttons($mod, $absolute, true, $mod->indent, $sectionreturn);
1652 echo $mod->get_after_edit_icons();
1656 $completion = $hidecompletion
1657 ? COMPLETION_TRACKING_NONE
1658 : $completioninfo->is_enabled($mod);
1659 if ($completion!=COMPLETION_TRACKING_NONE && isloggedin() &&
1660 !isguestuser() && $mod->uservisible) {
1661 $completiondata = $completioninfo->get_data($mod,true);
1662 $completionicon = '';
1664 switch ($completion) {
1665 case COMPLETION_TRACKING_MANUAL :
1666 $completionicon = 'manual-enabled'; break;
1667 case COMPLETION_TRACKING_AUTOMATIC :
1668 $completionicon = 'auto-enabled'; break;
1671 } else if ($completion==COMPLETION_TRACKING_MANUAL) {
1672 switch($completiondata->completionstate) {
1673 case COMPLETION_INCOMPLETE:
1674 $completionicon = 'manual-n'; break;
1675 case COMPLETION_COMPLETE:
1676 $completionicon = 'manual-y'; break;
1678 } else { // Automatic
1679 switch($completiondata->completionstate) {
1680 case COMPLETION_INCOMPLETE:
1681 $completionicon = 'auto-n'; break;
1682 case COMPLETION_COMPLETE:
1683 $completionicon = 'auto-y'; break;
1684 case COMPLETION_COMPLETE_PASS:
1685 $completionicon = 'auto-pass'; break;
1686 case COMPLETION_COMPLETE_FAIL:
1687 $completionicon = 'auto-fail'; break;
1690 if ($completionicon) {
1691 $imgsrc = $OUTPUT->pix_url('i/completion-'.$completionicon);
1692 $formattedname = format_string($mod->name, true, array('context' => $modcontext));
1693 $imgalt = get_string('completion-alt-' . $completionicon, 'completion', $formattedname);
1694 if ($completion == COMPLETION_TRACKING_MANUAL && !$isediting) {
1695 $imgtitle = get_string('completion-title-' . $completionicon, 'completion', $formattedname);
1697 $completiondata->completionstate==COMPLETION_COMPLETE
1698 ? COMPLETION_INCOMPLETE
1699 : COMPLETION_COMPLETE;
1700 // In manual mode the icon is a toggle form...
1702 // If this completion state is used by the
1703 // conditional activities system, we need to turn
1705 if (!empty($CFG->enableavailability) &&
1706 condition_info::completion_value_used_as_condition($course, $mod)) {
1707 $extraclass = ' preventjs';
1712 <form class='togglecompletion$extraclass' method='post' action='".$CFG->wwwroot."/course/togglecompletion.php'><div>
1713 <input type='hidden' name='id' value='{$mod->id}' />
1714 <input type='hidden' name='modulename' value='".s($mod->name)."' />
1715 <input type='hidden' name='sesskey' value='".sesskey()."' />
1716 <input type='hidden' name='completionstate' value='$newstate' />
1717 <input type='image' src='$imgsrc' alt='$imgalt' title='$imgtitle' />
1720 // In auto mode, or when editing, the icon is just an image
1721 echo "<span class='autocompletion'>";
1722 echo "<img src='$imgsrc' alt='$imgalt' title='$imgalt' /></span>";
1727 // If there is content AND a link, then display the content here
1728 // (AFTER any icons). Otherwise it was displayed before
1733 // Show availability information (for someone who isn't allowed to
1734 // see the activity itself, or for staff)
1735 if (!$mod->uservisible) {
1736 echo '<div class="availabilityinfo">'.$mod->availableinfo.'</div>';
1737 } else if ($canviewhidden && !empty($CFG->enableavailability) && $mod->visible) {
1738 $ci = new condition_info($mod);
1739 $fullinfo = $ci->get_full_information();
1741 echo '<div class="availabilityinfo">'.get_string($mod->showavailability
1742 ? 'userrestriction_visible'
1743 : 'userrestriction_hidden','condition',
1744 $fullinfo).'</div>';
1748 echo html_writer::end_tag('div');
1749 echo html_writer::end_tag('li')."\n";
1752 } elseif ($ismoving) {
1753 echo "<ul class=\"section\">\n";
1757 echo '<li><a title="'.$strmovefull.'"'.
1758 ' href="'.$CFG->wwwroot.'/course/mod.php?movetosection='.$section->id.'&sesskey='.sesskey().'">'.
1759 '<img class="movetarget" src="'.$OUTPUT->pix_url('movehere') . '" '.
1760 ' alt="'.$strmovehere.'" /></a></li>
1763 if (!empty($section->sequence) || $ismoving) {
1764 echo "</ul><!--class='section'-->\n\n";
1769 * Prints the menus to add activities and resources.
1771 * @param stdClass $course The course
1772 * @param stdClass $section The section
1773 * @param array $modnames An array containing the list of modules and their names
1774 * @param bool $vertical Vertical orientation
1775 * @param bool $return Return the menus or send them to output
1776 * @param int $sectionreturn The section to link back to
1777 * @return void|string depending on $return
1779 function print_section_add_menus($course, $section, $modnames, $vertical=false, $return=false, $sectionreturn=0) {
1780 global $CFG, $OUTPUT;
1782 // check to see if user can add menus
1783 if (!has_capability('moodle/course:manageactivities', context_course::instance($course->id))) {
1787 // Retrieve all modules with associated metadata
1788 $modules = get_module_metadata($course, $modnames);
1790 // We'll sort resources and activities into two lists
1791 $resources = array();
1792 $activities = array();
1794 // We need to add the section section to the link for each module
1795 $sectionlink = '§ion=' . $section . '&sr=' . $sectionreturn;
1797 foreach ($modules as $module) {
1798 if (isset($module->types)) {
1799 // This module has a subtype
1800 // NOTE: this is legacy stuff, module subtypes are very strongly discouraged!!
1801 $subtypes = array();
1802 foreach ($module->types as $subtype) {
1803 $subtypes[$subtype->link . $sectionlink] = $subtype->title;
1806 // Sort module subtypes into the list
1807 if (!empty($module->title)) {
1808 // This grouping has a name
1809 if ($module->archetype == MOD_CLASS_RESOURCE) {
1810 $resources[] = array($module->title=>$subtypes);
1812 $activities[] = array($module->title=>$subtypes);
1815 // This grouping does not have a name
1816 if ($module->archetype == MOD_CLASS_RESOURCE) {
1817 $resources = array_merge($resources, $subtypes);
1819 $activities = array_merge($activities, $subtypes);
1823 // This module has no subtypes
1824 if ($module->archetype == MOD_ARCHETYPE_RESOURCE) {
1825 $resources[$module->link . $sectionlink] = $module->title;
1826 } else if ($module->archetype === MOD_ARCHETYPE_SYSTEM) {
1827 // System modules cannot be added by user, do not add to dropdown
1829 $activities[$module->link . $sectionlink] = $module->title;
1834 $straddactivity = get_string('addactivity');
1835 $straddresource = get_string('addresource');
1837 $output = html_writer::start_tag('div', array('class' => 'section_add_menus', 'id' => 'add_menus-section-' . $section));
1840 $output .= html_writer::start_tag('div', array('class' => 'horizontal'));
1843 if (!empty($resources)) {
1844 $select = new url_select($resources, '', array(''=>$straddresource), "ressection$section");
1845 $select->set_help_icon('resources');
1846 $output .= $OUTPUT->render($select);
1849 if (!empty($activities)) {
1850 $select = new url_select($activities, '', array(''=>$straddactivity), "section$section");
1851 $select->set_help_icon('activities');
1852 $output .= $OUTPUT->render($select);
1856 $output .= html_writer::end_tag('div');
1859 $output .= html_writer::end_tag('div');
1861 if (course_ajax_enabled($course)) {
1862 $straddeither = get_string('addresourceoractivity');
1863 // The module chooser link
1864 $modchooser = html_writer::start_tag('div', array('class' => 'mdl-right'));
1865 $modchooser.= html_writer::start_tag('div', array('class' => 'section-modchooser'));
1866 $icon = $OUTPUT->pix_icon('t/add', $straddeither);
1867 $span = html_writer::tag('span', $straddeither, array('class' => 'section-modchooser-text'));
1868 $modchooser .= html_writer::tag('span', $icon . $span, array('class' => 'section-modchooser-link'));
1869 $modchooser.= html_writer::end_tag('div');
1870 $modchooser.= html_writer::end_tag('div');
1872 // Wrap the normal output in a noscript div
1873 $usemodchooser = get_user_preferences('usemodchooser', $CFG->modchooserdefault);
1874 if ($usemodchooser) {
1875 $output = html_writer::tag('div', $output, array('class' => 'hiddenifjs addresourcedropdown'));
1876 $modchooser = html_writer::tag('div', $modchooser, array('class' => 'visibleifjs addresourcemodchooser'));
1878 $output = html_writer::tag('div', $output, array('class' => 'visibleifjs addresourcedropdown'));
1879 $modchooser = html_writer::tag('div', $modchooser, array('class' => 'hiddenifjs addresourcemodchooser'));
1881 $output = $modchooser . $output;
1892 * Retrieve all metadata for the requested modules
1894 * @param object $course The Course
1895 * @param array $modnames An array containing the list of modules and their
1897 * @param int $sectionreturn The section to return to
1898 * @return array A list of stdClass objects containing metadata about each
1901 function get_module_metadata($course, $modnames, $sectionreturn = 0) {
1902 global $CFG, $OUTPUT;
1904 // get_module_metadata will be called once per section on the page and courses may show
1905 // different modules to one another
1906 static $modlist = array();
1907 if (!isset($modlist[$course->id])) {
1908 $modlist[$course->id] = array();
1912 $urlbase = "/course/mod.php?id=$course->id&sesskey=".sesskey().'&sr='.$sectionreturn.'&add=';
1913 foreach($modnames as $modname => $modnamestr) {
1914 if (!course_allowed_module($course, $modname)) {
1917 if (isset($modlist[$modname])) {
1918 // This module is already cached
1919 $return[$modname] = $modlist[$course->id][$modname];
1923 // Include the module lib
1924 $libfile = "$CFG->dirroot/mod/$modname/lib.php";
1925 if (!file_exists($libfile)) {
1928 include_once($libfile);
1930 // NOTE: this is legacy stuff, module subtypes are very strongly discouraged!!
1931 $gettypesfunc = $modname.'_get_types';
1932 if (function_exists($gettypesfunc)) {
1933 if ($types = $gettypesfunc()) {
1934 $group = new stdClass();
1935 $group->name = $modname;
1936 $group->icon = $OUTPUT->pix_icon('icon', '', $modname, array('class' => 'icon'));
1937 foreach($types as $type) {
1938 if ($type->typestr === '--') {
1941 if (strpos($type->typestr, '--') === 0) {
1942 $group->title = str_replace('--', '', $type->typestr);
1945 // Set the Sub Type metadata
1946 $subtype = new stdClass();
1947 $subtype->title = $type->typestr;
1948 $subtype->type = str_replace('&', '&', $type->type);
1949 $subtype->name = preg_replace('/.*type=/', '', $subtype->type);
1950 $subtype->archetype = $type->modclass;
1952 // The group archetype should match the subtype archetypes and all subtypes
1953 // should have the same archetype
1954 $group->archetype = $subtype->archetype;
1956 if (get_string_manager()->string_exists('help' . $subtype->name, $modname)) {
1957 $subtype->help = get_string('help' . $subtype->name, $modname);
1959 $subtype->link = $urlbase . $subtype->type;
1960 $group->types[] = $subtype;
1962 $modlist[$course->id][$modname] = $group;
1965 $module = new stdClass();
1966 $module->title = get_string('modulename', $modname);
1967 $module->name = $modname;
1968 $module->link = $urlbase . $modname;
1969 $module->icon = $OUTPUT->pix_icon('icon', '', $module->name, array('class' => 'icon'));
1970 $sm = get_string_manager();
1971 if ($sm->string_exists('modulename_help', $modname)) {
1972 $module->help = get_string('modulename_help', $modname);
1973 if ($sm->string_exists('modulename_link', $modname)) { // Link to further info in Moodle docs
1974 $link = get_string('modulename_link', $modname);
1975 $linktext = get_string('morehelp');
1976 $module->help .= html_writer::tag('div', $OUTPUT->doc_link($link, $linktext), array('class' => 'helpdoclink'));
1979 $module->archetype = plugin_supports('mod', $modname, FEATURE_MOD_ARCHETYPE, MOD_ARCHETYPE_OTHER);
1980 $modlist[$course->id][$modname] = $module;
1982 $return[$modname] = $modlist[$course->id][$modname];
1989 * Return the course category context for the category with id $categoryid, except
1990 * that if $categoryid is 0, return the system context.
1992 * @param integer $categoryid a category id or 0.
1993 * @return object the corresponding context
1995 function get_category_or_system_context($categoryid) {
1997 return context_coursecat::instance($categoryid, IGNORE_MISSING);
1999 return context_system::instance();
2004 * Gets the child categories of a given courses category. Uses a static cache
2005 * to make repeat calls efficient.
2007 * @param int $parentid the id of a course category.
2008 * @return array all the child course categories.
2010 function get_child_categories($parentid) {
2011 static $allcategories = null;
2013 // only fill in this variable the first time
2014 if (null == $allcategories) {
2015 $allcategories = array();
2017 $categories = get_categories();
2018 foreach ($categories as $category) {
2019 if (empty($allcategories[$category->parent])) {
2020 $allcategories[$category->parent] = array();
2022 $allcategories[$category->parent][] = $category;
2026 if (empty($allcategories[$parentid])) {
2029 return $allcategories[$parentid];
2034 * This function recursively travels the categories, building up a nice list
2035 * for display. It also makes an array that list all the parents for each
2038 * For example, if you have a tree of categories like:
2039 * Miscellaneous (id = 1)
2040 * Subcategory (id = 2)
2041 * Sub-subcategory (id = 4)
2042 * Other category (id = 3)
2043 * Then after calling this function you will have
2044 * $list = array(1 => 'Miscellaneous', 2 => 'Miscellaneous / Subcategory',
2045 * 4 => 'Miscellaneous / Subcategory / Sub-subcategory',
2046 * 3 => 'Other category');
2047 * $parents = array(2 => array(1), 4 => array(1, 2));
2049 * If you specify $requiredcapability, then only categories where the current
2050 * user has that capability will be added to $list, although all categories
2051 * will still be added to $parents, and if you only have $requiredcapability
2052 * in a child category, not the parent, then the child catgegory will still be
2055 * If you specify the option $excluded, then that category, and all its children,
2056 * are omitted from the tree. This is useful when you are doing something like
2057 * moving categories, where you do not want to allow people to move a category
2058 * to be the child of itself.
2060 * @param array $list For output, accumulates an array categoryid => full category path name
2061 * @param array $parents For output, accumulates an array categoryid => list of parent category ids.
2062 * @param string/array $requiredcapability if given, only categories where the current
2063 * user has this capability will be added to $list. Can also be an array of capabilities,
2064 * in which case they are all required.
2065 * @param integer $excludeid Omit this category and its children from the lists built.
2066 * @param object $category Build the tree starting at this category - otherwise starts at the top level.
2067 * @param string $path For internal use, as part of recursive calls.
2069 function make_categories_list(&$list, &$parents, $requiredcapability = '',
2070 $excludeid = 0, $category = NULL, $path = "") {
2072 // initialize the arrays if needed
2073 if (!is_array($list)) {
2076 if (!is_array($parents)) {
2080 if (empty($category)) {
2081 // Start at the top level.
2082 $category = new stdClass;
2085 // This is the excluded category, don't include it.
2086 if ($excludeid > 0 && $excludeid == $category->id) {
2090 $context = context_coursecat::instance($category->id);
2091 $categoryname = format_string($category->name, true, array('context' => $context));
2095 $path = $path.' / '.$categoryname;
2097 $path = $categoryname;
2100 // Add this category to $list, if the permissions check out.
2101 if (empty($requiredcapability)) {
2102 $list[$category->id] = $path;
2105 $requiredcapability = (array)$requiredcapability;
2106 if (has_all_capabilities($requiredcapability, $context)) {
2107 $list[$category->id] = $path;
2112 // Add all the children recursively, while updating the parents array.
2113 if ($categories = get_child_categories($category->id)) {
2114 foreach ($categories as $cat) {
2115 if (!empty($category->id)) {
2116 if (isset($parents[$category->id])) {
2117 $parents[$cat->id] = $parents[$category->id];
2119 $parents[$cat->id][] = $category->id;
2121 make_categories_list($list, $parents, $requiredcapability, $excludeid, $cat, $path);
2127 * This function generates a structured array of courses and categories.
2129 * The depth of categories is limited by $CFG->maxcategorydepth however there
2130 * is no limit on the number of courses!
2132 * Suitable for use with the course renderers course_category_tree method:
2133 * $renderer = $PAGE->get_renderer('core','course');
2134 * echo $renderer->course_category_tree(get_course_category_tree());
2136 * @global moodle_database $DB
2140 function get_course_category_tree($id = 0, $depth = 0) {
2142 $viewhiddencats = has_capability('moodle/category:viewhiddencategories', context_system::instance());
2143 $categories = get_child_categories($id);
2144 $categoryids = array();
2145 foreach ($categories as $key => &$category) {
2146 if (!$category->visible && !$viewhiddencats) {
2147 unset($categories[$key]);
2150 $categoryids[$category->id] = $category;
2151 if (empty($CFG->maxcategorydepth) || $depth <= $CFG->maxcategorydepth) {
2152 list($category->categories, $subcategories) = get_course_category_tree($category->id, $depth+1);
2153 foreach ($subcategories as $subid=>$subcat) {
2154 $categoryids[$subid] = $subcat;
2156 $category->courses = array();
2161 // This is a recursive call so return the required array
2162 return array($categories, $categoryids);
2165 if (empty($categoryids)) {
2166 // No categories available (probably all hidden).
2170 // The depth is 0 this function has just been called so we can finish it off
2172 list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
2173 list($catsql, $catparams) = $DB->get_in_or_equal(array_keys($categoryids));
2175 c.id,c.sortorder,c.visible,c.fullname,c.shortname,c.summary,c.category
2179 WHERE c.category $catsql ORDER BY c.sortorder ASC";
2180 if ($courses = $DB->get_records_sql($sql, $catparams)) {
2181 // loop throught them
2182 foreach ($courses as $course) {
2183 if ($course->id == SITEID) {
2186 context_instance_preload($course);
2187 if (!empty($course->visible) || has_capability('moodle/course:viewhiddencourses', context_course::instance($course->id))) {
2188 $categoryids[$course->category]->courses[$course->id] = $course;
2196 * Recursive function to print out all the categories in a nice format
2197 * with or without courses included
2199 function print_whole_category_list($category=NULL, $displaylist=NULL, $parentslist=NULL, $depth=-1, $showcourses = true) {
2202 // maxcategorydepth == 0 meant no limit
2203 if (!empty($CFG->maxcategorydepth) && $depth >= $CFG->maxcategorydepth) {
2207 if (!$displaylist) {
2208 make_categories_list($displaylist, $parentslist);
2212 if ($category->visible or has_capability('moodle/category:viewhiddencategories', context_system::instance())) {
2213 print_category_info($category, $depth, $showcourses);
2215 return; // Don't bother printing children of invisible categories
2219 $category = new stdClass();
2220 $category->id = "0";
2223 if ($categories = get_child_categories($category->id)) { // Print all the children recursively
2224 $countcats = count($categories);
2228 foreach ($categories as $cat) {
2230 if ($count == $countcats) {
2233 $up = $first ? false : true;
2234 $down = $last ? false : true;
2237 print_whole_category_list($cat, $displaylist, $parentslist, $depth + 1, $showcourses);
2243 * This function will return $options array for html_writer::select(), with whitespace to denote nesting.
2245 function make_categories_options() {
2246 make_categories_list($cats,$parents);
2247 foreach ($cats as $key => $value) {
2248 if (array_key_exists($key,$parents)) {
2249 if ($indent = count($parents[$key])) {
2250 for ($i = 0; $i < $indent; $i++) {
2251 $cats[$key] = ' '.$cats[$key];
2260 * Prints the category info in indented fashion
2261 * This function is only used by print_whole_category_list() above
2263 function print_category_info($category, $depth=0, $showcourses = false) {
2264 global $CFG, $DB, $OUTPUT;
2266 $strsummary = get_string('summary');
2269 if (!$category->visible) {
2270 $catlinkcss = array('class'=>'dimmed');
2272 static $coursecount = null;
2273 if (null === $coursecount) {
2274 // only need to check this once
2275 $coursecount = $DB->count_records('course') <= FRONTPAGECOURSELIMIT;
2278 if ($showcourses and $coursecount) {
2279 $catimage = '<img src="'.$OUTPUT->pix_url('i/course') . '" alt="" />';
2281 $catimage = " ";
2284 $courses = get_courses($category->id, 'c.sortorder ASC', 'c.id,c.sortorder,c.visible,c.fullname,c.shortname,c.summary');
2285 $context = context_coursecat::instance($category->id);
2286 $fullname = format_string($category->name, true, array('context' => $context));
2288 if ($showcourses and $coursecount) {
2289 echo '<div class="categorylist clearfix">';
2291 $cat .= html_writer::tag('div', $catimage, array('class'=>'image'));
2292 $catlink = html_writer::link(new moodle_url('/course/category.php', array('id'=>$category->id)), $fullname, $catlinkcss);
2293 $cat .= html_writer::tag('div', $catlink, array('class'=>'name'));
2297 for ($i=0; $i< $depth; $i++) {
2298 $html = html_writer::tag('div', $html . $cat, array('class'=>'indentation'));
2304 echo html_writer::tag('div', $html, array('class'=>'category'));
2305 echo html_writer::tag('div', '', array('class'=>'clearfloat'));
2307 // does the depth exceed maxcategorydepth
2308 // maxcategorydepth == 0 or unset meant no limit
2309 $limit = !(isset($CFG->maxcategorydepth) && ($depth >= $CFG->maxcategorydepth-1));
2310 if ($courses && ($limit || $CFG->maxcategorydepth == 0)) {
2311 foreach ($courses as $course) {
2313 if (!$course->visible) {
2314 $linkcss = array('class'=>'dimmed');
2317 $coursename = get_course_display_name_for_list($course);
2318 $courselink = html_writer::link(new moodle_url('/course/view.php', array('id'=>$course->id)), format_string($coursename), $linkcss);
2322 if ($icons = enrol_get_course_info_icons($course)) {
2323 foreach ($icons as $pix_icon) {
2324 $courseicon = $OUTPUT->render($pix_icon).' ';
2328 $coursecontent = html_writer::tag('div', $courseicon.$courselink, array('class'=>'name'));
2330 if ($course->summary) {
2331 $link = new moodle_url('/course/info.php?id='.$course->id);
2332 $actionlink = $OUTPUT->action_link($link, '<img alt="'.$strsummary.'" src="'.$OUTPUT->pix_url('i/info') . '" />',
2333 new popup_action('click', $link, 'courseinfo', array('height' => 400, 'width' => 500)),
2334 array('title'=>$strsummary));
2336 $coursecontent .= html_writer::tag('div', $actionlink, array('class'=>'info'));
2340 for ($i=0; $i <= $depth; $i++) {
2341 $html = html_writer::tag('div', $html . $coursecontent , array('class'=>'indentation'));
2342 $coursecontent = '';
2344 echo html_writer::tag('div', $html, array('class'=>'course clearfloat'));
2349 echo '<div class="categorylist">';
2351 $cat = html_writer::link(new moodle_url('/course/category.php', array('id'=>$category->id)), $fullname, $catlinkcss);
2352 if (count($courses) > 0) {
2353 $cat .= html_writer::tag('span', ' ('.count($courses).')', array('title'=>get_string('numberofcourses'), 'class'=>'numberofcourse'));
2357 for ($i=0; $i< $depth; $i++) {
2358 $html = html_writer::tag('div', $html .$cat, array('class'=>'indentation'));
2365 echo html_writer::tag('div', $html, array('class'=>'category'));
2366 echo html_writer::tag('div', '', array('class'=>'clearfloat'));
2372 * Print the buttons relating to course requests.
2374 * @param object $systemcontext the system context.
2376 function print_course_request_buttons($systemcontext) {
2377 global $CFG, $DB, $OUTPUT;
2378 if (empty($CFG->enablecourserequests)) {
2381 if (!has_capability('moodle/course:create', $systemcontext) && has_capability('moodle/course:request', $systemcontext)) {
2382 /// Print a button to request a new course
2383 echo $OUTPUT->single_button('request.php', get_string('requestcourse'), 'get');
2385 /// Print a button to manage pending requests
2386 if (has_capability('moodle/site:approvecourse', $systemcontext)) {
2387 $disabled = !$DB->record_exists('course_request', array());
2388 echo $OUTPUT->single_button('pending.php', get_string('coursespending'), 'get', array('disabled'=>$disabled));
2393 * Does the user have permission to edit things in this category?
2395 * @param integer $categoryid The id of the category we are showing, or 0 for system context.
2396 * @return boolean has_any_capability(array(...), ...); in the appropriate context.
2398 function can_edit_in_category($categoryid = 0) {
2399 $context = get_category_or_system_context($categoryid);
2400 return has_any_capability(array('moodle/category:manage', 'moodle/course:create'), $context);
2404 * Prints the turn editing on/off button on course/index.php or course/category.php.
2406 * @param integer $categoryid The id of the category we are showing, or 0 for system context.
2407 * @return string HTML of the editing button, or empty string, if this user is not allowed
2410 function update_category_button($categoryid = 0) {
2411 global $CFG, $PAGE, $OUTPUT;
2413 // Check permissions.
2414 if (!can_edit_in_category($categoryid)) {
2418 // Work out the appropriate action.
2419 if ($PAGE->user_is_editing()) {
2420 $label = get_string('turneditingoff');
2423 $label = get_string('turneditingon');
2427 // Generate the button HTML.
2428 $options = array('categoryedit' => $edit, 'sesskey' => sesskey());
2430 $options['id'] = $categoryid;
2431 $page = 'category.php';
2433 $page = 'index.php';
2435 return $OUTPUT->single_button(new moodle_url('/course/' . $page, $options), $label, 'get');
2439 * Category is 0 (for all courses) or an object
2441 function print_courses($category) {
2442 global $CFG, $OUTPUT;
2444 if (!is_object($category) && $category==0) {
2445 $categories = get_child_categories(0); // Parent = 0 ie top-level categories only
2446 if (is_array($categories) && count($categories) == 1) {
2447 $category = array_shift($categories);
2448 $courses = get_courses_wmanagers($category->id,
2450 array('summary','summaryformat'));
2452 $courses = get_courses_wmanagers('all',
2454 array('summary','summaryformat'));
2458 $courses = get_courses_wmanagers($category->id,
2460 array('summary','summaryformat'));
2464 echo html_writer::start_tag('ul', array('class'=>'unlist'));
2465 foreach ($courses as $course) {
2466 $coursecontext = context_course::instance($course->id);
2467 if ($course->visible == 1 || has_capability('moodle/course:viewhiddencourses', $coursecontext)) {
2468 echo html_writer::start_tag('li');
2469 print_course($course);
2470 echo html_writer::end_tag('li');
2473 echo html_writer::end_tag('ul');
2475 echo $OUTPUT->heading(get_string("nocoursesyet"));
2476 $context = context_system::instance();
2477 if (has_capability('moodle/course:create', $context)) {
2479 if (!empty($category->id)) {
2480 $options['category'] = $category->id;
2482 $options['category'] = $CFG->defaultrequestcategory;
2484 echo html_writer::start_tag('div', array('class'=>'addcoursebutton'));
2485 echo $OUTPUT->single_button(new moodle_url('/course/edit.php', $options), get_string("addnewcourse"));
2486 echo html_writer::end_tag('div');
2492 * Print a description of a course, suitable for browsing in a list.
2494 * @param object $course the course object.
2495 * @param string $highlightterms (optional) some search terms that should be highlighted in the display.
2497 function print_course($course, $highlightterms = '') {
2498 global $CFG, $USER, $DB, $OUTPUT;
2500 $context = context_course::instance($course->id);
2502 // Rewrite file URLs so that they are correct
2503 $course->summary = file_rewrite_pluginfile_urls($course->summary, 'pluginfile.php', $context->id, 'course', 'summary', NULL);
2505 echo html_writer::start_tag('div', array('class'=>'coursebox clearfix'));
2506 echo html_writer::start_tag('div', array('class'=>'info'));
2507 echo html_writer::start_tag('h3', array('class'=>'name'));
2509 $linkhref = new moodle_url('/course/view.php', array('id'=>$course->id));
2511 $coursename = get_course_display_name_for_list($course);
2512 $linktext = highlight($highlightterms, format_string($coursename));
2513 $linkparams = array('title'=>get_string('entercourse'));
2514 if (empty($course->visible)) {
2515 $linkparams['class'] = 'dimmed';
2517 echo html_writer::link($linkhref, $linktext, $linkparams);
2518 echo html_writer::end_tag('h3');
2520 /// first find all roles that are supposed to be displayed
2521 if (!empty($CFG->coursecontact)) {
2522 $managerroles = explode(',', $CFG->coursecontact);
2525 if (!isset($course->managers)) {
2526 $rusers = get_role_users($managerroles, $context, true,
2527 'ra.id AS raid, u.id, u.username, u.firstname, u.lastname, rn.name AS rolecoursealias,
2528 r.name AS rolename, r.sortorder, r.id AS roleid, r.shortname AS roleshortname',
2529 'r.sortorder ASC, u.lastname ASC');
2531 // use the managers array if we have it for perf reasosn
2532 // populate the datastructure like output of get_role_users();
2533 foreach ($course->managers as $manager) {
2534 $user = clone($manager->user);
2535 $user->roleid = $manager->roleid;
2536 $user->rolename = $manager->rolename;
2537 $user->roleshortname = $manager->roleshortname;
2538 $user->rolecoursealias = $manager->rolecoursealias;
2539 $rusers[$user->id] = $user;
2543 $namesarray = array();
2544 $canviewfullnames = has_capability('moodle/site:viewfullnames', $context);
2545 foreach ($rusers as $ra) {
2546 if (isset($namesarray[$ra->id])) {
2547 // only display a user once with the higest sortorder role
2551 $role = new stdClass();
2552 $role->id = $ra->roleid;
2553 $role->name = $ra->rolename;
2554 $role->shortname = $ra->roleshortname;
2555 $role->coursealias = $ra->rolecoursealias;
2556 $rolename = role_get_name($role, $context, ROLENAME_ALIAS);
2558 $fullname = fullname($ra, $canviewfullnames);
2559 $namesarray[$ra->id] = $rolename.': '.
2560 html_writer::link(new moodle_url('/user/view.php', array('id'=>$ra->id, 'course'=>SITEID)), $fullname);
2563 if (!empty($namesarray)) {
2564 echo html_writer::start_tag('ul', array('class'=>'teachers'));
2565 foreach ($namesarray as $name) {
2566 echo html_writer::tag('li', $name);
2568 echo html_writer::end_tag('ul');
2571 echo html_writer::end_tag('div'); // End of info div
2573 echo html_writer::start_tag('div', array('class'=>'summary'));
2574 $options = new stdClass();
2575 $options->noclean = true;
2576 $options->para = false;
2577 $options->overflowdiv = true;
2578 if (!isset($course->summaryformat)) {
2579 $course->summaryformat = FORMAT_MOODLE;
2581 echo highlight($highlightterms, format_text($course->summary, $course->summaryformat, $options, $course->id));
2582 if ($icons = enrol_get_course_info_icons($course)) {
2583 echo html_writer::start_tag('div', array('class'=>'enrolmenticons'));
2584 foreach ($icons as $icon) {
2585 echo $OUTPUT->render($icon);
2587 echo html_writer::end_tag('div'); // End of enrolmenticons div
2589 echo html_writer::end_tag('div'); // End of summary div
2590 echo html_writer::end_tag('div'); // End of coursebox div
2594 * Prints custom user information on the home page.
2595 * Over time this can include all sorts of information
2597 function print_my_moodle() {
2598 global $USER, $CFG, $DB, $OUTPUT;
2600 if (!isloggedin() or isguestuser()) {
2601 print_error('nopermissions', '', '', 'See My Moodle');
2604 $courses = enrol_get_my_courses('summary', 'visible DESC,sortorder ASC');
2606 $rcourses = array();
2607 if (!empty($CFG->mnet_dispatcher_mode) && $CFG->mnet_dispatcher_mode==='strict') {
2608 $rcourses = get_my_remotecourses($USER->id);
2609 $rhosts = get_my_remotehosts();
2612 if (!empty($courses) || !empty($rcourses) || !empty($rhosts)) {
2614 if (!empty($courses)) {
2615 echo '<ul class="unlist">';
2616 foreach ($courses as $course) {
2617 if ($course->id == SITEID) {
2621 print_course($course);
2628 if (!empty($rcourses)) {
2629 // at the IDP, we know of all the remote courses
2630 foreach ($rcourses as $course) {
2631 print_remote_course($course, "100%");
2633 } elseif (!empty($rhosts)) {
2634 // non-IDP, we know of all the remote servers, but not courses
2635 foreach ($rhosts as $host) {
2636 print_remote_host($host, "100%");
2642 if ($DB->count_records("course") > (count($courses) + 1) ) { // Some courses not being displayed
2643 echo "<table width=\"100%\"><tr><td align=\"center\">";
2644 print_course_search("", false, "short");
2645 echo "</td><td align=\"center\">";
2646 echo $OUTPUT->single_button("$CFG->wwwroot/course/index.php", get_string("fulllistofcourses"), "get");
2647 echo "</td></tr></table>\n";
2651 if ($DB->count_records("course_categories") > 1) {
2652 echo $OUTPUT->box_start("categorybox");
2653 print_whole_category_list();
2654 echo $OUTPUT->box_end();
2662 function print_course_search($value="", $return=false, $format="plain") {
2668 $id = 'coursesearch';
2674 $strsearchcourses= get_string("searchcourses");
2676 if ($format == 'plain') {
2677 $output = '<form id="'.$id.'" action="'.$CFG->wwwroot.'/course/search.php" method="get">';
2678 $output .= '<fieldset class="coursesearchbox invisiblefieldset">';
2679 $output .= '<label for="coursesearchbox">'.$strsearchcourses.': </label>';
2680 $output .= '<input type="text" id="coursesearchbox" size="30" name="search" value="'.s($value).'" />';
2681 $output .= '<input type="submit" value="'.get_string('go').'" />';
2682 $output .= '</fieldset></form>';
2683 } else if ($format == 'short') {
2684 $output = '<form id="'.$id.'" action="'.$CFG->wwwroot.'/course/search.php" method="get">';
2685 $output .= '<fieldset class="coursesearchbox invisiblefieldset">';
2686 $output .= '<label for="shortsearchbox">'.$strsearchcourses.': </label>';
2687 $output .= '<input type="text" id="shortsearchbox" size="12" name="search" alt="'.s($strsearchcourses).'" value="'.s($value).'" />';
2688 $output .= '<input type="submit" value="'.get_string('go').'" />';
2689 $output .= '</fieldset></form>';
2690 } else if ($format == 'navbar') {
2691 $output = '<form id="coursesearchnavbar" action="'.$CFG->wwwroot.'/course/search.php" method="get">';
2692 $output .= '<fieldset class="coursesearchbox invisiblefieldset">';
2693 $output .= '<label for="navsearchbox">'.$strsearchcourses.': </label>';
2694 $output .= '<input type="text" id="navsearchbox" size="20" name="search" alt="'.s($strsearchcourses).'" value="'.s($value).'" />';
2695 $output .= '<input type="submit" value="'.get_string('go').'" />';
2696 $output .= '</fieldset></form>';
2705 function print_remote_course($course, $width="100%") {
2710 $url = "{$CFG->wwwroot}/auth/mnet/jump.php?hostid={$course->hostid}&wantsurl=/course/view.php?id={$course->remoteid}";
2712 echo '<div class="coursebox remotecoursebox clearfix">';
2713 echo '<div class="info">';
2714 echo '<div class="name"><a title="'.get_string('entercourse').'"'.
2715 $linkcss.' href="'.$url.'">'
2716 . format_string($course->fullname) .'</a><br />'
2717 . format_string($course->hostname) . ' : '
2718 . format_string($course->cat_name) . ' : '
2719 . format_string($course->shortname). '</div>';
2720 echo '</div><div class="summary">';
2721 $options = new stdClass();
2722 $options->noclean = true;
2723 $options->para = false;
2724 $options->overflowdiv = true;
2725 echo format_text($course->summary, $course->summaryformat, $options);
2730 function print_remote_host($host, $width="100%") {
2735 echo '<div class="coursebox clearfix">';
2736 echo '<div class="info">';
2737 echo '<div class="name">';
2738 echo '<img src="'.$OUTPUT->pix_url('i/mnethost') . '" class="icon" alt="'.get_string('course').'" />';
2739 echo '<a title="'.s($host['name']).'" href="'.s($host['url']).'">'
2740 . s($host['name']).'</a> - ';
2741 echo $host['count'] . ' ' . get_string('courses');
2748 /// MODULE FUNCTIONS /////////////////////////////////////////////////////////////////
2750 function add_course_module($mod) {
2753 $mod->added = time();
2756 return $DB->insert_record("course_modules", $mod);
2760 * Returns course section - creates new if does not exist yet.
2761 * @param int $relative section number
2762 * @param int $courseid
2763 * @return object $course_section object
2765 function get_course_section($section, $courseid) {
2768 if ($cw = $DB->get_record("course_sections", array("section"=>$section, "course"=>$courseid))) {
2771 $cw = new stdClass();
2772 $cw->course = $courseid;
2773 $cw->section = $section;
2775 $cw->summaryformat = FORMAT_HTML;
2777 $id = $DB->insert_record("course_sections", $cw);
2778 rebuild_course_cache($courseid, true);
2779 return $DB->get_record("course_sections", array("id"=>$id));
2783 * Given a full mod object with section and course already defined, adds this module to that section.
2785 * @param object $mod
2786 * @param int $beforemod An existing ID which we will insert the new module before
2787 * @return int The course_sections ID where the mod is inserted
2789 function add_mod_to_section($mod, $beforemod=NULL) {
2792 if ($section = $DB->get_record("course_sections", array("course"=>$mod->course, "section"=>$mod->section))) {
2794 $section->sequence = trim($section->sequence);
2796 if (empty($section->sequence)) {
2797 $newsequence = "$mod->coursemodule";
2799 } else if ($beforemod) {
2800 $modarray = explode(",", $section->sequence);
2802 if ($key = array_keys($modarray, $beforemod->id)) {
2803 $insertarray = array($mod->id, $beforemod->id);
2804 array_splice($modarray, $key[0], 1, $insertarray);
2805 $newsequence = implode(",", $modarray);
2807 } else { // Just tack it on the end anyway
2808 $newsequence = "$section->sequence,$mod->coursemodule";
2812 $newsequence = "$section->sequence,$mod->coursemodule";
2815 $DB->set_field("course_sections", "sequence", $newsequence, array("id"=>$section->id));
2816 return $section->id; // Return course_sections ID that was used.
2818 } else { // Insert a new record
2819 $section = new stdClass();
2820 $section->course = $mod->course;
2821 $section->section = $mod->section;
2822 $section->summary = "";
2823 $section->summaryformat = FORMAT_HTML;
2824 $section->sequence = $mod->coursemodule;
2825 return $DB->insert_record("course_sections", $section);
2829 function set_coursemodule_groupmode($id, $groupmode) {
2831 return $DB->set_field("course_modules", "groupmode", $groupmode, array("id"=>$id));
2834 function set_coursemodule_idnumber($id, $idnumber) {
2836 return $DB->set_field("course_modules", "idnumber", $idnumber, array("id"=>$id));
2840 * $prevstateoverrides = true will set the visibility of the course module
2841 * to what is defined in visibleold. This enables us to remember the current
2842 * visibility when making a whole section hidden, so that when we toggle
2843 * that section back to visible, we are able to return the visibility of
2844 * the course module back to what it was originally.
2846 function set_coursemodule_visible($id, $visible, $prevstateoverrides=false) {
2848 require_once($CFG->libdir.'/gradelib.php');
2850 if (!$cm = $DB->get_record('course_modules', array('id'=>$id))) {
2853 if (!$modulename = $DB->get_field('modules', 'name', array('id'=>$cm->module))) {
2856 if ($events = $DB->get_records('event', array('instance'=>$cm->instance, 'modulename'=>$modulename))) {
2857 foreach($events as $event) {
2866 // hide the associated grade items so the teacher doesn't also have to go to the gradebook and hide them there
2867 $grade_items = grade_item::fetch_all(array('itemtype'=>'mod', 'itemmodule'=>$modulename, 'iteminstance'=>$cm->instance, 'courseid'=>$cm->course));
2869 foreach ($grade_items as $grade_item) {
2870 $grade_item->set_hidden(!$visible);
2874 if ($prevstateoverrides) {
2875 if ($visible == '0') {
2876 // Remember the current visible state so we can toggle this back.
2877 $DB->set_field('course_modules', 'visibleold', $cm->visible, array('id'=>$id));
2879 // Get the previous saved visible states.
2880 return $DB->set_field('course_modules', 'visible', $cm->visibleold, array('id'=>$id));
2883 return $DB->set_field("course_modules", "visible", $visible, array("id"=>$id));
2887 * Delete a course module and any associated data at the course level (events)
2888 * Until 1.5 this function simply marked a deleted flag ... now it
2889 * deletes it completely.
2892 function delete_course_module($id) {
2894 require_once($CFG->libdir.'/gradelib.php');
2895 require_once($CFG->dirroot.'/blog/lib.php');
2897 if (!$cm = $DB->get_record('course_modules', array('id'=>$id))) {
2900 $modulename = $DB->get_field('modules', 'name', array('id'=>$cm->module));
2901 //delete events from calendar
2902 if ($events = $DB->get_records('event', array('instance'=>$cm->instance, 'modulename'=>$modulename))) {
2903 foreach($events as $event) {
2904 delete_event($event->id);
2907 //delete grade items, outcome items and grades attached to modules
2908 if ($grade_items = grade_item::fetch_all(array('itemtype'=>'mod', 'itemmodule'=>$modulename,
2909 'iteminstance'=>$cm->instance, 'courseid'=>$cm->course))) {
2910 foreach ($grade_items as $grade_item) {
2911 $grade_item->delete('moddelete');
2914 // Delete completion and availability data; it is better to do this even if the
2915 // features are not turned on, in case they were turned on previously (these will be
2916 // very quick on an empty table)
2917 $DB->delete_records('course_modules_completion', array('coursemoduleid' => $cm->id));
2918 $DB->delete_records('course_modules_availability', array('coursemoduleid'=> $cm->id));
2919 $DB->delete_records('course_modules_avail_fields', array('coursemoduleid' => $cm->id));
2920 $DB->delete_records('course_completion_criteria', array('moduleinstance' => $cm->id,
2921 'criteriatype' => COMPLETION_CRITERIA_TYPE_ACTIVITY));
2923 delete_context(CONTEXT_MODULE, $cm->id);
2924 return $DB->delete_records('course_modules', array('id'=>$cm->id));
2927 function delete_mod_from_section($mod, $section) {
2930 if ($section = $DB->get_record("course_sections", array("id"=>$section)) ) {
2932 $modarray = explode(",", $section->sequence);
2934 if ($key = array_keys ($modarray, $mod)) {
2935 array_splice($modarray, $key[0], 1);
2936 $newsequence = implode(",", $modarray);
2937 return $DB->set_field("course_sections", "sequence", $newsequence, array("id"=>$section->id));
2947 * Moves a section up or down by 1. CANNOT BE USED DIRECTLY BY AJAX!
2949 * @param object $course course object
2950 * @param int $section Section number (not id!!!)
2951 * @param int $move (-1 or 1)
2952 * @return boolean true if section moved successfully
2953 * @todo MDL-33379 remove this function in 2.5
2955 function move_section($course, $section, $move) {
2956 debugging('This function will be removed before 2.5 is released please use move_section_to', DEBUG_DEVELOPER);
2958 /// Moves a whole course section up and down within the course
2965 $sectiondest = $section + $move;
2967 if ($sectiondest > $course->numsections or $sectiondest < 1) {
2971 $retval = move_section_to($course, $section, $sectiondest);
2972 // If section moved, then rebuild course cache.
2974 rebuild_course_cache($course->id, true);
2980 * Moves a section within a course, from a position to another.
2981 * Be very careful: $section and $destination refer to section number,
2984 * @param object $course
2985 * @param int $section Section number (not id!!!)
2986 * @param int $destination
2987 * @return boolean Result
2989 function move_section_to($course, $section, $destination) {
2990 /// Moves a whole course section up and down within the course
2993 if (!$destination && $destination != 0) {
2997 if (($destination > $course->numsections) || ($destination < 1)) {
3001 // Get all sections for this course and re-order them (2 of them should now share the same section number)
3002 if (!$sections = $DB->get_records_menu('course_sections', array('course' => $course->id),
3003 'section ASC, id ASC', 'id, section')) {
3007 $movedsections = reorder_sections($sections, $section, $destination);
3009 // Update all sections. Do this in 2 steps to avoid breaking database
3010 // uniqueness constraint
3011 $transaction = $DB->start_delegated_transaction();
3012 foreach ($movedsections as $id => $position) {
3013 if ($sections[$id] !== $position) {
3014 $DB->set_field('course_sections', 'section', -$position, array('id' => $id));
3017 foreach ($movedsections as $id => $position) {
3018 if ($sections[$id] !== $position) {
3019 $DB->set_field('course_sections', 'section', $position, array('id' => $id));
3023 // If we move the highlighted section itself, then just highlight the destination.
3024 // Adjust the higlighted section location if we move something over it either direction.
3025 if ($section == $course->marker) {
3026 course_set_marker($course->id, $destination);
3027 } elseif ($section > $course->marker && $course->marker >= $destination) {
3028 course_set_marker($course->id, $course->marker+1);
3029 } elseif ($section < $course->marker && $course->marker <= $destination) {
3030 course_set_marker($course->id, $course->marker-1);
3033 $transaction->allow_commit();
3038 * Reordering algorithm for course sections. Given an array of section->section indexed by section->id,
3039 * an original position number and a target position number, rebuilds the array so that the
3040 * move is made without any duplication of section positions.
3041 * Note: The target_position is the position AFTER WHICH the moved section will be inserted. If you want to
3042 * insert a section before the first one, you must give 0 as the target (section 0 can never be moved).
3044 * @param array $sections
3045 * @param int $origin_position
3046 * @param int $target_position
3049 function reorder_sections($sections, $origin_position, $target_position) {
3050 if (!is_array($sections)) {
3054 // We can't move section position 0
3055 if ($origin_position < 1) {
3056 echo "We can't move section position 0";
3060 // Locate origin section in sections array
3061 if (!$origin_key = array_search($origin_position, $sections)) {
3062 echo "searched position not in sections array";
3063 return false; // searched position not in sections array
3066 // Extract origin section
3067 $origin_section = $sections[$origin_key];
3068 unset($sections[$origin_key]);
3070 // Find offset of target position (stupid PHP's array_splice requires offset instead of key index!)
3072 $append_array = array();
3073 foreach ($sections as $id => $position) {
3075 $append_array[$id] = $position;
3076 unset($sections[$id]);
3078 if ($position == $target_position) {
3079 if ($target_position < $origin_position) {
3080 $append_array[$id] = $position;
3081 unset($sections[$id]);
3087 // Append moved section
3088 $sections[$origin_key] = $origin_section;
3090 // Append rest of array (if applicable)
3091 if (!empty($append_array)) {
3092 foreach ($append_array as $id => $position) {
3093 $sections[$id] = $position;
3097 // Renumber positions
3099 foreach ($sections as $id => $p) {
3100 $sections[$id] = $position;
3109 * Move the module object $mod to the specified $section
3110 * If $beforemod exists then that is the module
3111 * before which $modid should be inserted
3112 * All parameters are objects
3114 function moveto_module($mod, $section, $beforemod=NULL) {
3115 global $DB, $OUTPUT;
3117 /// Remove original module from original section
3118 if (! delete_mod_from_section($mod->id, $mod->section)) {
3119 echo $OUTPUT->notification("Could not delete module from existing section");
3122 /// Update module itself if necessary
3124 if ($mod->section != $section->id) {
3125 $mod->section = $section->id;
3126 $DB->update_record("course_modules", $mod);
3127 // if moving to a hidden section then hide module
3128 if (!$section->visible) {
3129 set_coursemodule_visible($mod->id, 0);
3133 /// Add the module into the new section
3135 $mod->course = $section->course;
3136 $mod->section = $section->section; // need relative reference
3137 $mod->coursemodule = $mod->id;
3139 if (! add_mod_to_section($mod, $beforemod)) {
3147 * Produces the editing buttons for a module
3149 * @global core_renderer $OUTPUT
3150 * @staticvar type $str
3151 * @param stdClass $mod The module to produce editing buttons for
3152 * @param bool $absolute_ignored ignored - all links are absolute
3153 * @param bool $moveselect If true a move seleciton process is used (default true)
3154 * @param int $indent The current indenting
3155 * @param int $section The section to link back to
3156 * @return string XHTML for the editing buttons
3158 function make_editing_buttons(stdClass $mod, $absolute_ignored = true, $moveselect = true, $indent=-1, $section=-1) {
3159 global $CFG, $OUTPUT, $COURSE;
3163 $coursecontext = context_course::instance($mod->course);
3164 $modcontext = context_module::instance($mod->id);
3166 $editcaps = array('moodle/course:manageactivities', 'moodle/course:activityvisibility', 'moodle/role:assign');
3167 $dupecaps = array('moodle/backup:backuptargetimport', 'moodle/restore:restoretargetimport');
3169 // no permission to edit anything
3170 if (!has_any_capability($editcaps, $modcontext) and !has_all_capabilities($dupecaps, $coursecontext)) {
3174 $hasmanageactivities = has_capability('moodle/course:manageactivities', $modcontext);
3177 $str = new stdClass;
3178 $str->assign = get_string("assignroles", 'role');
3179 $str->delete = get_string("delete");
3180 $str->move = get_string("move");
3181 $str->moveup = get_string("moveup");
3182 $str->movedown = get_string("movedown");
3183 $str->moveright = get_string("moveright");
3184 $str->moveleft = get_string("moveleft");
3185 $str->update = get_string("update");
3186 $str->duplicate = get_string("duplicate");
3187 $str->hide = get_string("hide");
3188 $str->show = get_string("show");
3189 $str->groupsnone = get_string('clicktochangeinbrackets', 'moodle', get_string("groupsnone"));
3190 $str->groupsseparate = get_string('clicktochangeinbrackets', 'moodle', get_string("groupsseparate"));
3191 $str->groupsvisible = get_string('clicktochangeinbrackets', 'moodle', get_string("groupsvisible"));
3192 $str->forcedgroupsnone = get_string('forcedmodeinbrackets', 'moodle', get_string("groupsnone"));
3193 $str->forcedgroupsseparate = get_string('forcedmodeinbrackets', 'moodle', get_string("groupsseparate"));
3194 $str->forcedgroupsvisible = get_string('forcedmodeinbrackets', 'moodle', get_string("groupsvisible"));
3195 $str->edittitle = get_string('edittitle', 'moodle');
3198 $baseurl = new moodle_url('/course/mod.php', array('sesskey' => sesskey()));
3200 if ($section >= 0) {
3201 $baseurl->param('sr', $section);
3206 if ($mod->modname !== 'label' && $hasmanageactivities && course_ajax_enabled($COURSE)) {
3207 $actions[] = new action_link(
3208 new moodle_url($baseurl, array('update' => $mod->id)),
3209 new pix_icon('t/editstring', $str->edittitle, 'moodle', array('class' => 'iconsmall visibleifjs')),
3211 array('class' => 'editing_title', 'title' => $str->edittitle)
3216 if ($hasmanageactivities) {
3217 if (right_to_left()) { // Exchange arrows on RTL
3218 $rightarrow = 't/left';
3219 $leftarrow = 't/right';
3221 $rightarrow = 't/right';
3222 $leftarrow = 't/left';
3226 $actions[] = new action_link(
3227 new moodle_url($baseurl, array('id' => $mod->id, 'indent' => '-1')),
3228 new pix_icon($leftarrow, $str->moveleft, 'moodle', array('class' => 'iconsmall')),
3230 array('class' => 'editing_moveleft', 'title' => $str->moveleft)
3234 $actions[] = new action_link(
3235 new moodle_url($baseurl, array('id' => $mod->id, 'indent' => '1')),
3236 new pix_icon($rightarrow, $str->moveright, 'moodle', array('class' => 'iconsmall')),
3238 array('class' => 'editing_moveright', 'title' => $str->moveright)
3244 if ($hasmanageactivities) {
3246 $actions[] = new action_link(
3247 new moodle_url($baseurl, array('copy' => $mod->id)),
3248 new pix_icon('t/move', $str->move, 'moodle', array('class' => 'iconsmall')),
3250 array('class' => 'editing_move', 'title' => $str->move)
3253 $actions[] = new action_link(
3254 new moodle_url($baseurl, array('id' => $mod->id, 'move' => '-1')),
3255 new pix_icon('t/up', $str->moveup, 'moodle', array('class' => 'iconsmall')),
3257 array('class' => 'editing_moveup', 'title' => $str->moveup)
3259 $actions[] = new action_link(
3260 new moodle_url($baseurl, array('id' => $mod->id, 'move' => '1')),
3261 new pix_icon('t/down', $str->movedown, 'moodle', array('class' => 'iconsmall')),
3263 array('class' => 'editing_movedown', 'title' => $str->movedown)
3269 if ($hasmanageactivities) {
3270 $actions[] = new action_link(
3271 new moodle_url($baseurl, array('update' => $mod->id)),
3272 new pix_icon('t/edit', $str->update, 'moodle', array('class' => 'iconsmall')),
3274 array('class' => 'editing_update', 'title' => $str->update)
3278 // Duplicate (require both target import caps to be able to duplicate and backup2 support, see modduplicate.php)
3279 if (has_all_capabilities($dupecaps, $coursecontext) && plugin_supports('mod', $mod->modname, FEATURE_BACKUP_MOODLE2)) {
3280 $actions[] = new action_link(
3281 new moodle_url($baseurl, array('duplicate' => $mod->id)),
3282 new pix_icon('t/copy', $str->duplicate, 'moodle', array('class' => 'iconsmall')),
3284 array('class' => 'editing_duplicate', 'title' => $str->duplicate)
3289 if ($hasmanageactivities) {
3290 $actions[] = new action_link(
3291 new moodle_url($baseurl, array('delete' => $mod->id)),
3292 new pix_icon('t/delete', $str->delete, 'moodle', array('class' => 'iconsmall')),
3294 array('class' => 'editing_delete', 'title' => $str->delete)
3299 if (has_capability('moodle/course:activityvisibility', $modcontext)) {
3300 if ($mod->visible) {
3301 $actions[] = new action_link(
3302 new moodle_url($baseurl, array('hide' => $mod->id)),
3303 new pix_icon('t/hide', $str->hide, 'moodle', array('class' => 'iconsmall')),
3305 array('class' => 'editing_hide', 'title' => $str->hide)
3308 $actions[] = new action_link(
3309 new moodle_url($baseurl, array('show' => $mod->id)),
3310 new pix_icon('t/show', $str->show, 'moodle', array('class' => 'iconsmall')),
3312 array('class' => 'editing_show', 'title' => $str->show)
3318 if ($hasmanageactivities and $mod->groupmode !== false) {
3319 if ($mod->groupmode == SEPARATEGROUPS) {
3321 $grouptitle = $str->groupsseparate;
3322 $forcedgrouptitle = $str->forcedgroupsseparate;
3323 $groupclass = 'editing_groupsseparate';
3324 $groupimage = 't/groups';
3325 } else if ($mod->groupmode == VISIBLEGROUPS) {
3327 $grouptitle = $str->groupsvisible;
3328 $forcedgrouptitle = $str->forcedgroupsvisible;
3329 $groupclass = 'editing_groupsvisible';
3330 $groupimage = 't/groupv';
3333 $grouptitle = $str->groupsnone;
3334 $forcedgrouptitle = $str->forcedgroupsnone;
3335 $groupclass = 'editing_groupsnone';
3336 $groupimage = 't/groupn';
3338 if ($mod->groupmodelink) {
3339 $actions[] = new action_link(
3340 new moodle_url($baseurl, array('id' => $mod->id, 'groupmode' => $groupmode)),
3341 new pix_icon($groupimage, $grouptitle, 'moodle', array('class' => 'iconsmall')),
3343 array('class' => $groupclass, 'title' => $grouptitle)
3346 $actions[] = new pix_icon($groupimage, $forcedgrouptitle, 'moodle', array('title' => $forcedgrouptitle, 'class' => 'iconsmall'));
3351 if (has_capability('moodle/role:assign', $modcontext)){
3352 $actions[] = new action_link(
3353 new moodle_url('/'.$CFG->admin.'/roles/assign.php', array('contextid' => $modcontext->id)),
3354 new pix_icon('i/roles', $str->assign, 'moodle', array('class' => 'iconsmall')),
3356 array('class' => 'editing_assign', 'title' => $str->assign)
3360 $output = html_writer::start_tag('span', array('class' => 'commands'));
3361 foreach ($actions as $action) {
3362 if ($action instanceof renderable) {
3363 $output .= $OUTPUT->render($action);
3368 $output .= html_writer::end_tag('span');
3373 * given a course object with shortname & fullname, this function will
3374 * truncate the the number of chars allowed and add ... if it was too long
3376 function course_format_name ($course,$max=100) {
3378 $context = context_course::instance($course->id);
3379 $shortname = format_string($course->shortname, true, array('context' => $context));
3380 $fullname = format_string($course->fullname, true, array('context' => context_course::instance($course->id)));
3381 $str = $shortname.': '. $fullname;
3382 if (textlib::strlen($str) <= $max) {
3386 return textlib::substr($str,0,$max-3).'...';
3391 * Is the user allowed to add this type of module to this course?
3392 * @param object $course the course settings. Only $course->id is used.
3393 * @param string $modname the module name. E.g. 'forum' or 'quiz'.
3394 * @return bool whether the current user is allowed to add this type of module to this course.
3396 function course_allowed_module($course, $modname) {
3399 if (is_numeric($modname)) {
3400 throw new coding_exception('Function course_allowed_module no longer
3401 supports numeric module ids. Please update your code to pass the module name.');
3404 $capability = 'mod/' . $modname . ':addinstance';
3405 if (!get_capability_info($capability)) {
3406 // Debug warning that the capability does not exist, but no more than once per page.
3407 static $warned = array();
3408 $archetype = plugin_supports('mod', $modname, FEATURE_MOD_ARCHETYPE, MOD_ARCHETYPE_OTHER);
3409 if (!isset($warned[$modname]) && $archetype !== MOD_ARCHETYPE_SYSTEM) {
3410 debugging('The module ' . $modname . ' does not define the standard capability ' .
3411 $capability , DEBUG_DEVELOPER);
3412 $warned[$modname] = 1;
3415 // If the capability does not exist, the module can always be added.
3419 $coursecontext = context_course::instance($course->id);
3420 return has_capability($capability, $coursecontext);
3424 * Recursively delete category including all subcategories and courses.
3425 * @param stdClass $category
3426 * @param boolean $showfeedback display some notices
3427 * @return array return deleted courses
3429 function category_delete_full($category, $showfeedback=true) {
3431 require_once($CFG->libdir.'/gradelib.php');
3432 require_once($CFG->libdir.'/questionlib.php');
3433 require_once($CFG->dirroot.'/cohort/lib.php');
3435 if ($children = $DB->get_records('course_categories', array('parent'=>$category->id), 'sortorder ASC')) {
3436 foreach ($children as $childcat) {
3437 category_delete_full($childcat, $showfeedback);
3441 $deletedcourses = array();
3442 if ($courses = $DB->get_records('course', array('category'=>$category->id), 'sortorder ASC')) {
3443 foreach ($courses as $course) {
3444 if (!delete_course($course, false)) {
3445 throw new moodle_exception('cannotdeletecategorycourse','','',$course->shortname);
3447 $deletedcourses[] = $course;
3451 // move or delete cohorts in this context
3452 cohort_delete_category($category);
3454 // now delete anything that may depend on course category context
3455 grade_course_category_delete($category->id, 0, $showfeedback);
3456 if (!question_delete_course_category($category, 0, $showfeedback)) {
3457 throw new moodle_exception('cannotdeletecategoryquestions','','',$category->name);
3460 // finally delete the category and it's context
3461 $DB->delete_records('course_categories', array('id'=>$category->id));
3462 delete_context(CONTEXT_COURSECAT, $category->id);
3464 events_trigger('course_category_deleted', $category);
3466 return $deletedcourses;
3470 * Delete category, but move contents to another category.
3471 * @param object $ccategory
3472 * @param int $newparentid category id
3473 * @return bool status
3475 function category_delete_move($category, $newparentid, $showfeedback=true) {
3476 global $CFG, $DB, $OUTPUT;
3477 require_once($CFG->libdir.'/gradelib.php');
3478 require_once($CFG->libdir.'/questionlib.php');
3479 require_once($CFG->dirroot.'/cohort/lib.php');
3481 if (!$newparentcat = $DB->get_record('course_categories', array('id'=>$newparentid))) {
3485 if ($children = $DB->get_records('course_categories', array('parent'=>$category->id), 'sortorder ASC')) {
3486 foreach ($children as $childcat) {