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');
32 define('COURSE_MAX_LOGS_PER_PAGE', 1000); // records
33 define('COURSE_MAX_RECENT_PERIOD', 172800); // Two days, in seconds
34 define('COURSE_MAX_SUMMARIES_PER_PAGE', 10); // courses
35 define('COURSE_MAX_COURSES_PER_DROPDOWN',1000); // max courses in log dropdown before switching to optional
36 define('COURSE_MAX_USERS_PER_DROPDOWN',1000); // max users in log dropdown before switching to optional
37 define('FRONTPAGENEWS', '0');
38 define('FRONTPAGECOURSELIST', '1');
39 define('FRONTPAGECATEGORYNAMES', '2');
40 define('FRONTPAGETOPICONLY', '3');
41 define('FRONTPAGECATEGORYCOMBO', '4');
42 define('FRONTPAGECOURSELIMIT', 200); // maximum number of courses displayed on the frontpage
43 define('EXCELROWS', 65535);
44 define('FIRSTUSEDEXCELROW', 3);
46 define('MOD_CLASS_ACTIVITY', 0);
47 define('MOD_CLASS_RESOURCE', 1);
49 function make_log_url($module, $url) {
52 if (strpos($url, 'report/') === 0) {
53 // there is only one report type, course reports are deprecated
63 if (strpos($url, '../') === 0) {
64 $url = ltrim($url, '.');
66 $url = "/course/$url";
71 $url = "/$module/$url";
84 $url = "/message/$url";
96 $url = "/mod/$module/$url";
100 //now let's sanitise urls - there might be some ugly nasties:-(
101 $parts = explode('?', $url);
102 $script = array_shift($parts);
103 if (strpos($script, 'http') === 0) {
104 $script = clean_param($script, PARAM_URL);
106 $script = clean_param($script, PARAM_PATH);
111 $query = implode('', $parts);
112 $query = str_replace('&', '&', $query); // both & and & are stored in db :-|
113 $parts = explode('&', $query);
114 $eq = urlencode('=');
115 foreach ($parts as $key=>$part) {
116 $part = urlencode(urldecode($part));
117 $part = str_replace($eq, '=', $part);
118 $parts[$key] = $part;
120 $query = '?'.implode('&', $parts);
123 return $script.$query;
127 function build_mnet_logs_array($hostid, $course, $user=0, $date=0, $order="l.time ASC", $limitfrom='', $limitnum='',
128 $modname="", $modid=0, $modaction="", $groupid=0) {
131 // It is assumed that $date is the GMT time of midnight for that day,
132 // and so the next 86400 seconds worth of logs are printed.
134 /// Setup for group handling.
136 // TODO: I don't understand group/context/etc. enough to be able to do
137 // something interesting with it here
138 // What is the context of a remote course?
140 /// If the group mode is separate, and this user does not have editing privileges,
141 /// then only the user's group can be viewed.
142 //if ($course->groupmode == SEPARATEGROUPS and !has_capability('moodle/course:managegroups', get_context_instance(CONTEXT_COURSE, $course->id))) {
143 // $groupid = get_current_group($course->id);
145 /// If this course doesn't have groups, no groupid can be specified.
146 //else if (!$course->groupmode) {
154 $qry = "SELECT l.*, u.firstname, u.lastname, u.picture
156 LEFT JOIN {user} u ON l.userid = u.id
160 $where .= "l.hostid = :hostid";
161 $params['hostid'] = $hostid;
163 // TODO: Is 1 really a magic number referring to the sitename?
164 if ($course != SITEID || $modid != 0) {
165 $where .= " AND l.course=:courseid";
166 $params['courseid'] = $course;
170 $where .= " AND l.module = :modname";
171 $params['modname'] = $modname;
174 if ('site_errors' === $modid) {
175 $where .= " AND ( l.action='error' OR l.action='infected' )";
177 //TODO: This assumes that modids are the same across sites... probably
179 $where .= " AND l.cmid = :modid";
180 $params['modid'] = $modid;
184 $firstletter = substr($modaction, 0, 1);
185 if ($firstletter == '-') {
186 $where .= " AND ".$DB->sql_like('l.action', ':modaction', false, true, true);
187 $params['modaction'] = '%'.substr($modaction, 1).'%';
189 $where .= " AND ".$DB->sql_like('l.action', ':modaction', false);
190 $params['modaction'] = '%'.$modaction.'%';
195 $where .= " AND l.userid = :user";
196 $params['user'] = $user;
200 $enddate = $date + 86400;
201 $where .= " AND l.time > :date AND l.time < :enddate";
202 $params['date'] = $date;
203 $params['enddate'] = $enddate;
207 $result['totalcount'] = $DB->count_records_sql("SELECT COUNT('x') FROM {mnet_log} l WHERE $where", $params);
208 if(!empty($result['totalcount'])) {
209 $where .= " ORDER BY $order";
210 $result['logs'] = $DB->get_records_sql("$qry $where", $params, $limitfrom, $limitnum);
212 $result['logs'] = array();
217 function build_logs_array($course, $user=0, $date=0, $order="l.time ASC", $limitfrom='', $limitnum='',
218 $modname="", $modid=0, $modaction="", $groupid=0) {
219 global $DB, $SESSION, $USER;
220 // It is assumed that $date is the GMT time of midnight for that day,
221 // and so the next 86400 seconds worth of logs are printed.
223 /// Setup for group handling.
225 /// If the group mode is separate, and this user does not have editing privileges,
226 /// then only the user's group can be viewed.
227 if ($course->groupmode == SEPARATEGROUPS and !has_capability('moodle/course:managegroups', get_context_instance(CONTEXT_COURSE, $course->id))) {
228 if (isset($SESSION->currentgroup[$course->id])) {
229 $groupid = $SESSION->currentgroup[$course->id];
231 $groupid = groups_get_all_groups($course->id, $USER->id);
232 if (is_array($groupid)) {
233 $groupid = array_shift(array_keys($groupid));
234 $SESSION->currentgroup[$course->id] = $groupid;
240 /// If this course doesn't have groups, no groupid can be specified.
241 else if (!$course->groupmode) {
248 if ($course->id != SITEID || $modid != 0) {
249 $joins[] = "l.course = :courseid";
250 $params['courseid'] = $course->id;
254 $joins[] = "l.module = :modname";
255 $params['modname'] = $modname;
258 if ('site_errors' === $modid) {
259 $joins[] = "( l.action='error' OR l.action='infected' )";
261 $joins[] = "l.cmid = :modid";
262 $params['modid'] = $modid;
266 $firstletter = substr($modaction, 0, 1);
267 if ($firstletter == '-') {
268 $joins[] = $DB->sql_like('l.action', ':modaction', false, true, true);
269 $params['modaction'] = '%'.substr($modaction, 1).'%';
271 $joins[] = $DB->sql_like('l.action', ':modaction', false);
272 $params['modaction'] = '%'.$modaction.'%';
277 /// Getting all members of a group.
278 if ($groupid and !$user) {
279 if ($gusers = groups_get_members($groupid)) {
280 $gusers = array_keys($gusers);
281 $joins[] = 'l.userid IN (' . implode(',', $gusers) . ')';
283 $joins[] = 'l.userid = 0'; // No users in groups, so we want something that will always be false.
287 $joins[] = "l.userid = :userid";
288 $params['userid'] = $user;
292 $enddate = $date + 86400;
293 $joins[] = "l.time > :date AND l.time < :enddate";
294 $params['date'] = $date;
295 $params['enddate'] = $enddate;
298 $selector = implode(' AND ', $joins);
300 $totalcount = 0; // Initialise
302 $result['logs'] = get_logs($selector, $params, $order, $limitfrom, $limitnum, $totalcount);
303 $result['totalcount'] = $totalcount;
308 function print_log($course, $user=0, $date=0, $order="l.time ASC", $page=0, $perpage=100,
309 $url="", $modname="", $modid=0, $modaction="", $groupid=0) {
311 global $CFG, $DB, $OUTPUT;
313 if (!$logs = build_logs_array($course, $user, $date, $order, $page*$perpage, $perpage,
314 $modname, $modid, $modaction, $groupid)) {
315 echo $OUTPUT->notification("No logs found!");
316 echo $OUTPUT->footer();
322 if ($course->id == SITEID) {
324 if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
325 foreach ($ccc as $cc) {
326 $courses[$cc->id] = $cc->shortname;
330 $courses[$course->id] = $course->shortname;
333 $totalcount = $logs['totalcount'];
336 $tt = getdate(time());
337 $today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
339 $strftimedatetime = get_string("strftimedatetime");
341 echo "<div class=\"info\">\n";
342 print_string("displayingrecords", "", $totalcount);
345 echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
347 $table = new html_table();
348 $table->classes = array('logtable','generalbox');
349 $table->align = array('right', 'left', 'left');
350 $table->head = array(
352 get_string('ip_address'),
353 get_string('fullnameuser'),
354 get_string('action'),
357 $table->data = array();
359 if ($course->id == SITEID) {
360 array_unshift($table->align, 'left');
361 array_unshift($table->head, get_string('course'));
364 // Make sure that the logs array is an array, even it is empty, to avoid warnings from the foreach.
365 if (empty($logs['logs'])) {
366 $logs['logs'] = array();
369 foreach ($logs['logs'] as $log) {
371 if (isset($ldcache[$log->module][$log->action])) {
372 $ld = $ldcache[$log->module][$log->action];
374 $ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
375 $ldcache[$log->module][$log->action] = $ld;
377 if ($ld && is_numeric($log->info)) {
378 // ugly hack to make sure fullname is shown correctly
379 if ($ld->mtable == 'user' && $ld->field == $DB->sql_concat('firstname', "' '" , 'lastname')) {
380 $log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
382 $log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
387 $log->info = format_string($log->info);
389 // If $log->url has been trimmed short by the db size restriction
390 // code in add_to_log, keep a note so we don't add a link to a broken url
391 $tl=textlib_get_instance();
392 $brokenurl=($tl->strlen($log->url)==100 && $tl->substr($log->url,97)=='...');
395 if ($course->id == SITEID) {
396 if (empty($log->course)) {
397 $row[] = get_string('site');
399 $row[] = "<a href=\"{$CFG->wwwroot}/course/view.php?id={$log->course}\">". format_string($courses[$log->course])."</a>";
403 $row[] = userdate($log->time, '%a').' '.userdate($log->time, $strftimedatetime);
405 $link = new moodle_url("/iplookup/index.php?ip=$log->ip&user=$log->userid");
406 $row[] = $OUTPUT->action_link($link, $log->ip, new popup_action('click', $link, 'iplookup', array('height' => 440, 'width' => 700)));
408 $row[] = html_writer::link(new moodle_url("/user/view.php?id={$log->userid}&course={$log->course}"), fullname($log, has_capability('moodle/site:viewfullnames', get_context_instance(CONTEXT_COURSE, $course->id))));
410 $displayaction="$log->module $log->action";
412 $row[] = $displayaction;
414 $link = make_log_url($log->module,$log->url);
415 $row[] = $OUTPUT->action_link($link, $displayaction, new popup_action('click', $link, 'fromloglive'), array('height' => 440, 'width' => 700));
418 $table->data[] = $row;
421 echo html_writer::table($table);
422 echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
426 function print_mnet_log($hostid, $course, $user=0, $date=0, $order="l.time ASC", $page=0, $perpage=100,
427 $url="", $modname="", $modid=0, $modaction="", $groupid=0) {
429 global $CFG, $DB, $OUTPUT;
431 if (!$logs = build_mnet_logs_array($hostid, $course, $user, $date, $order, $page*$perpage, $perpage,
432 $modname, $modid, $modaction, $groupid)) {
433 echo $OUTPUT->notification("No logs found!");
434 echo $OUTPUT->footer();
438 if ($course->id == SITEID) {
440 if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname,c.visible')) {
441 foreach ($ccc as $cc) {
442 $courses[$cc->id] = $cc->shortname;
447 $totalcount = $logs['totalcount'];
450 $tt = getdate(time());
451 $today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
453 $strftimedatetime = get_string("strftimedatetime");
455 echo "<div class=\"info\">\n";
456 print_string("displayingrecords", "", $totalcount);
459 echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
461 echo "<table class=\"logtable\" cellpadding=\"3\" cellspacing=\"0\">\n";
463 if ($course->id == SITEID) {
464 echo "<th class=\"c0 header\">".get_string('course')."</th>\n";
466 echo "<th class=\"c1 header\">".get_string('time')."</th>\n";
467 echo "<th class=\"c2 header\">".get_string('ip_address')."</th>\n";
468 echo "<th class=\"c3 header\">".get_string('fullnameuser')."</th>\n";
469 echo "<th class=\"c4 header\">".get_string('action')."</th>\n";
470 echo "<th class=\"c5 header\">".get_string('info')."</th>\n";
473 if (empty($logs['logs'])) {
479 foreach ($logs['logs'] as $log) {
481 $log->info = $log->coursename;
482 $row = ($row + 1) % 2;
484 if (isset($ldcache[$log->module][$log->action])) {
485 $ld = $ldcache[$log->module][$log->action];
487 $ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
488 $ldcache[$log->module][$log->action] = $ld;
490 if (0 && $ld && !empty($log->info)) {
491 // ugly hack to make sure fullname is shown correctly
492 if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
493 $log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
495 $log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
500 $log->info = format_string($log->info);
502 echo '<tr class="r'.$row.'">';
503 if ($course->id == SITEID) {
504 $courseshortname = format_string($courses[$log->course], true, array('context' => get_context_instance(CONTEXT_COURSE, SITEID)));
505 echo "<td class=\"r$row c0\" >\n";
506 echo " <a href=\"{$CFG->wwwroot}/course/view.php?id={$log->course}\">".$courseshortname."</a>\n";
509 echo "<td class=\"r$row c1\" align=\"right\">".userdate($log->time, '%a').
510 ' '.userdate($log->time, $strftimedatetime)."</td>\n";
511 echo "<td class=\"r$row c2\" >\n";
512 $link = new moodle_url("/iplookup/index.php?ip=$log->ip&user=$log->userid");
513 echo $OUTPUT->action_link($link, $log->ip, new popup_action('click', $link, 'iplookup', array('height' => 400, 'width' => 700)));
515 $fullname = fullname($log, has_capability('moodle/site:viewfullnames', get_context_instance(CONTEXT_COURSE, $course->id)));
516 echo "<td class=\"r$row c3\" >\n";
517 echo " <a href=\"$CFG->wwwroot/user/view.php?id={$log->userid}\">$fullname</a>\n";
519 echo "<td class=\"r$row c4\">\n";
520 echo $log->action .': '.$log->module;
522 echo "<td class=\"r$row c5\">{$log->info}</td>\n";
527 echo $OUTPUT->paging_bar($totalcount, $page, $perpage, "$url&perpage=$perpage");
531 function print_log_csv($course, $user, $date, $order='l.time DESC', $modname,
532 $modid, $modaction, $groupid) {
535 $text = get_string('course')."\t".get_string('time')."\t".get_string('ip_address')."\t".
536 get_string('fullnameuser')."\t".get_string('action')."\t".get_string('info');
538 if (!$logs = build_logs_array($course, $user, $date, $order, '', '',
539 $modname, $modid, $modaction, $groupid)) {
545 if ($course->id == SITEID) {
547 if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
548 foreach ($ccc as $cc) {
549 $courses[$cc->id] = $cc->shortname;
553 $courses[$course->id] = $course->shortname;
558 $tt = getdate(time());
559 $today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
561 $strftimedatetime = get_string("strftimedatetime");
563 $filename = 'logs_'.userdate(time(),get_string('backupnameformat', 'langconfig'),99,false);
565 header("Content-Type: application/download\n");
566 header("Content-Disposition: attachment; filename=$filename");
567 header("Expires: 0");
568 header("Cache-Control: must-revalidate,post-check=0,pre-check=0");
569 header("Pragma: public");
571 echo get_string('savedat').userdate(time(), $strftimedatetime)."\n";
574 if (empty($logs['logs'])) {
578 foreach ($logs['logs'] as $log) {
579 if (isset($ldcache[$log->module][$log->action])) {
580 $ld = $ldcache[$log->module][$log->action];
582 $ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
583 $ldcache[$log->module][$log->action] = $ld;
585 if ($ld && !empty($log->info)) {
586 // ugly hack to make sure fullname is shown correctly
587 if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
588 $log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
590 $log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
595 $log->info = format_string($log->info);
596 $log->info = strip_tags(urldecode($log->info)); // Some XSS protection
598 $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
599 $firstField = format_string($courses[$log->course], true, array('context' => $coursecontext));
600 $fullname = fullname($log, has_capability('moodle/site:viewfullnames', $coursecontext));
601 $row = array($firstField, userdate($log->time, $strftimedatetime), $log->ip, $fullname, $log->module.' '.$log->action, $log->info);
602 $text = implode("\t", $row);
609 function print_log_xls($course, $user, $date, $order='l.time DESC', $modname,
610 $modid, $modaction, $groupid) {
614 require_once("$CFG->libdir/excellib.class.php");
616 if (!$logs = build_logs_array($course, $user, $date, $order, '', '',
617 $modname, $modid, $modaction, $groupid)) {
623 if ($course->id == SITEID) {
625 if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
626 foreach ($ccc as $cc) {
627 $courses[$cc->id] = $cc->shortname;
631 $courses[$course->id] = $course->shortname;
636 $tt = getdate(time());
637 $today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
639 $strftimedatetime = get_string("strftimedatetime");
641 $nroPages = ceil(count($logs)/(EXCELROWS-FIRSTUSEDEXCELROW+1));
642 $filename = 'logs_'.userdate(time(),get_string('backupnameformat', 'langconfig'),99,false);
645 $workbook = new MoodleExcelWorkbook('-');
646 $workbook->send($filename);
648 $worksheet = array();
649 $headers = array(get_string('course'), get_string('time'), get_string('ip_address'),
650 get_string('fullnameuser'), get_string('action'), get_string('info'));
652 // Creating worksheets
653 for ($wsnumber = 1; $wsnumber <= $nroPages; $wsnumber++) {
654 $sheettitle = get_string('logs').' '.$wsnumber.'-'.$nroPages;
655 $worksheet[$wsnumber] =& $workbook->add_worksheet($sheettitle);
656 $worksheet[$wsnumber]->set_column(1, 1, 30);
657 $worksheet[$wsnumber]->write_string(0, 0, get_string('savedat').
658 userdate(time(), $strftimedatetime));
660 foreach ($headers as $item) {
661 $worksheet[$wsnumber]->write(FIRSTUSEDEXCELROW-1,$col,$item,'');
666 if (empty($logs['logs'])) {
671 $formatDate =& $workbook->add_format();
672 $formatDate->set_num_format(get_string('log_excel_date_format'));
674 $row = FIRSTUSEDEXCELROW;
676 $myxls =& $worksheet[$wsnumber];
677 foreach ($logs['logs'] as $log) {
678 if (isset($ldcache[$log->module][$log->action])) {
679 $ld = $ldcache[$log->module][$log->action];
681 $ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
682 $ldcache[$log->module][$log->action] = $ld;
684 if ($ld && !empty($log->info)) {
685 // ugly hack to make sure fullname is shown correctly
686 if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
687 $log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
689 $log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
694 $log->info = format_string($log->info);
695 $log->info = strip_tags(urldecode($log->info)); // Some XSS protection
698 if ($row > EXCELROWS) {
700 $myxls =& $worksheet[$wsnumber];
701 $row = FIRSTUSEDEXCELROW;
705 $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
707 $myxls->write($row, 0, format_string($courses[$log->course], true, array('context' => $coursecontext)), '');
708 $myxls->write_date($row, 1, $log->time, $formatDate); // write_date() does conversion/timezone support. MDL-14934
709 $myxls->write($row, 2, $log->ip, '');
710 $fullname = fullname($log, has_capability('moodle/site:viewfullnames', $coursecontext));
711 $myxls->write($row, 3, $fullname, '');
712 $myxls->write($row, 4, $log->module.' '.$log->action, '');
713 $myxls->write($row, 5, $log->info, '');
722 function print_log_ods($course, $user, $date, $order='l.time DESC', $modname,
723 $modid, $modaction, $groupid) {
727 require_once("$CFG->libdir/odslib.class.php");
729 if (!$logs = build_logs_array($course, $user, $date, $order, '', '',
730 $modname, $modid, $modaction, $groupid)) {
736 if ($course->id == SITEID) {
738 if ($ccc = get_courses('all', 'c.id ASC', 'c.id,c.shortname')) {
739 foreach ($ccc as $cc) {
740 $courses[$cc->id] = $cc->shortname;
744 $courses[$course->id] = $course->shortname;
749 $tt = getdate(time());
750 $today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
752 $strftimedatetime = get_string("strftimedatetime");
754 $nroPages = ceil(count($logs)/(EXCELROWS-FIRSTUSEDEXCELROW+1));
755 $filename = 'logs_'.userdate(time(),get_string('backupnameformat', 'langconfig'),99,false);
758 $workbook = new MoodleODSWorkbook('-');
759 $workbook->send($filename);
761 $worksheet = array();
762 $headers = array(get_string('course'), get_string('time'), get_string('ip_address'),
763 get_string('fullnameuser'), get_string('action'), get_string('info'));
765 // Creating worksheets
766 for ($wsnumber = 1; $wsnumber <= $nroPages; $wsnumber++) {
767 $sheettitle = get_string('logs').' '.$wsnumber.'-'.$nroPages;
768 $worksheet[$wsnumber] =& $workbook->add_worksheet($sheettitle);
769 $worksheet[$wsnumber]->set_column(1, 1, 30);
770 $worksheet[$wsnumber]->write_string(0, 0, get_string('savedat').
771 userdate(time(), $strftimedatetime));
773 foreach ($headers as $item) {
774 $worksheet[$wsnumber]->write(FIRSTUSEDEXCELROW-1,$col,$item,'');
779 if (empty($logs['logs'])) {
784 $formatDate =& $workbook->add_format();
785 $formatDate->set_num_format(get_string('log_excel_date_format'));
787 $row = FIRSTUSEDEXCELROW;
789 $myxls =& $worksheet[$wsnumber];
790 foreach ($logs['logs'] as $log) {
791 if (isset($ldcache[$log->module][$log->action])) {
792 $ld = $ldcache[$log->module][$log->action];
794 $ld = $DB->get_record('log_display', array('module'=>$log->module, 'action'=>$log->action));
795 $ldcache[$log->module][$log->action] = $ld;
797 if ($ld && !empty($log->info)) {
798 // ugly hack to make sure fullname is shown correctly
799 if (($ld->mtable == 'user') and ($ld->field == $DB->sql_concat('firstname', "' '" , 'lastname'))) {
800 $log->info = fullname($DB->get_record($ld->mtable, array('id'=>$log->info)), true);
802 $log->info = $DB->get_field($ld->mtable, $ld->field, array('id'=>$log->info));
807 $log->info = format_string($log->info);
808 $log->info = strip_tags(urldecode($log->info)); // Some XSS protection
811 if ($row > EXCELROWS) {
813 $myxls =& $worksheet[$wsnumber];
814 $row = FIRSTUSEDEXCELROW;
818 $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
820 $myxls->write_string($row, 0, format_string($courses[$log->course], true, array('context' => $context)));
821 $myxls->write_date($row, 1, $log->time);
822 $myxls->write_string($row, 2, $log->ip);
823 $fullname = fullname($log, has_capability('moodle/site:viewfullnames', $coursecontext));
824 $myxls->write_string($row, 3, $fullname);
825 $myxls->write_string($row, 4, $log->module.' '.$log->action);
826 $myxls->write_string($row, 5, $log->info);
836 function print_overview($courses, array $remote_courses=array()) {
837 global $CFG, $USER, $DB, $OUTPUT;
839 $htmlarray = array();
840 if ($modules = $DB->get_records('modules')) {
841 foreach ($modules as $mod) {
842 if (file_exists(dirname(dirname(__FILE__)).'/mod/'.$mod->name.'/lib.php')) {
843 include_once(dirname(dirname(__FILE__)).'/mod/'.$mod->name.'/lib.php');
844 $fname = $mod->name.'_print_overview';
845 if (function_exists($fname)) {
846 $fname($courses,$htmlarray);
851 foreach ($courses as $course) {
852 $fullname = format_string($course->fullname, true, array('context' => get_context_instance(CONTEXT_COURSE, $course->id)));
853 echo $OUTPUT->box_start('coursebox');
854 $attributes = array('title' => s($fullname));
855 if (empty($course->visible)) {
856 $attributes['class'] = 'dimmed';
858 echo $OUTPUT->heading(html_writer::link(
859 new moodle_url('/course/view.php', array('id' => $course->id)), $fullname, $attributes), 3);
860 if (array_key_exists($course->id,$htmlarray)) {
861 foreach ($htmlarray[$course->id] as $modname => $html) {
865 echo $OUTPUT->box_end();
868 if (!empty($remote_courses)) {
869 echo $OUTPUT->heading(get_string('remotecourses', 'mnet'));
871 foreach ($remote_courses as $course) {
872 echo $OUTPUT->box_start('coursebox');
873 $attributes = array('title' => s($course->fullname));
874 echo $OUTPUT->heading(html_writer::link(
875 new moodle_url('/auth/mnet/jump.php', array('hostid' => $course->hostid, 'wantsurl' => '/course/view.php?id='.$course->remoteid)),
876 format_string($course->shortname),
877 $attributes) . ' (' . format_string($course->hostname) . ')', 3);
878 echo $OUTPUT->box_end();
884 * This function trawls through the logs looking for
885 * anything new since the user's last login
887 function print_recent_activity($course) {
888 // $course is an object
889 global $CFG, $USER, $SESSION, $DB, $OUTPUT;
891 $context = get_context_instance(CONTEXT_COURSE, $course->id);
893 $viewfullnames = has_capability('moodle/site:viewfullnames', $context);
895 $timestart = round(time() - COURSE_MAX_RECENT_PERIOD, -2); // better db caching for guests - 100 seconds
897 if (!isguestuser()) {
898 if (!empty($USER->lastcourseaccess[$course->id])) {
899 if ($USER->lastcourseaccess[$course->id] > $timestart) {
900 $timestart = $USER->lastcourseaccess[$course->id];
905 echo '<div class="activitydate">';
906 echo get_string('activitysince', '', userdate($timestart));
908 echo '<div class="activityhead">';
910 echo '<a href="'.$CFG->wwwroot.'/course/recent.php?id='.$course->id.'">'.get_string('recentactivityreport').'</a>';
916 /// Firstly, have there been any new enrolments?
918 $users = get_recent_enrolments($course->id, $timestart);
920 //Accessibility: new users now appear in an <OL> list.
922 echo '<div class="newusers">';
923 echo $OUTPUT->heading(get_string("newusers").':', 3);
925 echo "<ol class=\"list\">\n";
926 foreach ($users as $user) {
927 $fullname = fullname($user, $viewfullnames);
928 echo '<li class="name"><a href="'."$CFG->wwwroot/user/view.php?id=$user->id&course=$course->id\">$fullname</a></li>\n";
930 echo "</ol>\n</div>\n";
933 /// Next, have there been any modifications to the course structure?
935 $modinfo =& get_fast_modinfo($course);
937 $changelist = array();
939 $logs = $DB->get_records_select('log', "time > ? AND course = ? AND
940 module = 'course' AND
941 (action = 'add mod' OR action = 'update mod' OR action = 'delete mod')",
942 array($timestart, $course->id), "id ASC");
945 $actions = array('add mod', 'update mod', 'delete mod');
946 $newgones = array(); // added and later deleted items
947 foreach ($logs as $key => $log) {
948 if (!in_array($log->action, $actions)) {
951 $info = explode(' ', $log->info);
953 // note: in most cases I replaced hardcoding of label with use of
954 // $cm->has_view() but it was not possible to do this here because
955 // we don't necessarily have the $cm for it
956 if ($info[0] == 'label') { // Labels are ignored in recent activity
960 if (count($info) != 2) {
961 debugging("Incorrect log entry info: id = ".$log->id, DEBUG_DEVELOPER);
966 $instanceid = $info[1];
968 if ($log->action == 'delete mod') {
969 // unfortunately we do not know if the mod was visible
970 if (!array_key_exists($log->info, $newgones)) {
971 $strdeleted = get_string('deletedactivity', 'moodle', get_string('modulename', $modname));
972 $changelist[$log->info] = array ('operation' => 'delete', 'text' => $strdeleted);
975 if (!isset($modinfo->instances[$modname][$instanceid])) {
976 if ($log->action == 'add mod') {
977 // do not display added and later deleted activities
978 $newgones[$log->info] = true;
982 $cm = $modinfo->instances[$modname][$instanceid];
983 if (!$cm->uservisible) {
987 if ($log->action == 'add mod') {
988 $stradded = get_string('added', 'moodle', get_string('modulename', $modname));
989 $changelist[$log->info] = array('operation' => 'add', 'text' => "$stradded:<br /><a href=\"$CFG->wwwroot/mod/$cm->modname/view.php?id={$cm->id}\">".format_string($cm->name, true)."</a>");
991 } else if ($log->action == 'update mod' and empty($changelist[$log->info])) {
992 $strupdated = get_string('updated', 'moodle', get_string('modulename', $modname));
993 $changelist[$log->info] = array('operation' => 'update', 'text' => "$strupdated:<br /><a href=\"$CFG->wwwroot/mod/$cm->modname/view.php?id={$cm->id}\">".format_string($cm->name, true)."</a>");
999 if (!empty($changelist)) {
1000 echo $OUTPUT->heading(get_string("courseupdates").':', 3);
1002 foreach ($changelist as $changeinfo => $change) {
1003 echo '<p class="activity">'.$change['text'].'</p>';
1007 /// Now display new things from each module
1009 $usedmodules = array();
1010 foreach($modinfo->cms as $cm) {
1011 if (isset($usedmodules[$cm->modname])) {
1014 if (!$cm->uservisible) {
1017 $usedmodules[$cm->modname] = $cm->modname;
1020 foreach ($usedmodules as $modname) { // Each module gets it's own logs and prints them
1021 if (file_exists($CFG->dirroot.'/mod/'.$modname.'/lib.php')) {
1022 include_once($CFG->dirroot.'/mod/'.$modname.'/lib.php');
1023 $print_recent_activity = $modname.'_print_recent_activity';
1024 if (function_exists($print_recent_activity)) {
1025 // NOTE: original $isteacher (second parameter below) was replaced with $viewfullnames!
1026 $content = $print_recent_activity($course, $viewfullnames, $timestart) || $content;
1029 debugging("Missing lib.php in lib/{$modname} - please reinstall files or uninstall the module");
1034 echo '<p class="message">'.get_string('nothingnew').'</p>';
1039 * For a given course, returns an array of course activity objects
1040 * Each item in the array contains he following properties:
1042 function get_array_of_activities($courseid) {
1043 // cm - course module id
1044 // mod - name of the module (eg forum)
1045 // section - the number of the section (eg week or topic)
1046 // name - the name of the instance
1047 // visible - is the instance visible or not
1048 // groupingid - grouping id
1049 // groupmembersonly - is this instance visible to group members only
1050 // extra - contains extra string to include in any link
1052 if(!empty($CFG->enableavailability)) {
1053 require_once($CFG->libdir.'/conditionlib.php');
1056 $course = $DB->get_record('course', array('id'=>$courseid));
1058 if (empty($course)) {
1059 throw new moodle_exception('courseidnotfound');
1064 $rawmods = get_course_mods($courseid);
1065 if (empty($rawmods)) {
1066 return $mod; // always return array
1069 if ($sections = $DB->get_records("course_sections", array("course"=>$courseid), "section ASC")) {
1070 foreach ($sections as $section) {
1071 if (!empty($section->sequence)) {
1072 $sequence = explode(",", $section->sequence);
1073 foreach ($sequence as $seq) {
1074 if (empty($rawmods[$seq])) {
1077 $mod[$seq]->id = $rawmods[$seq]->instance;
1078 $mod[$seq]->cm = $rawmods[$seq]->id;
1079 $mod[$seq]->mod = $rawmods[$seq]->modname;
1081 // Oh dear. Inconsistent names left here for backward compatibility.
1082 $mod[$seq]->section = $section->section;
1083 $mod[$seq]->sectionid = $rawmods[$seq]->section;
1085 $mod[$seq]->module = $rawmods[$seq]->module;
1086 $mod[$seq]->added = $rawmods[$seq]->added;
1087 $mod[$seq]->score = $rawmods[$seq]->score;
1088 $mod[$seq]->idnumber = $rawmods[$seq]->idnumber;
1089 $mod[$seq]->visible = $rawmods[$seq]->visible;
1090 $mod[$seq]->visibleold = $rawmods[$seq]->visibleold;
1091 $mod[$seq]->groupmode = $rawmods[$seq]->groupmode;
1092 $mod[$seq]->groupingid = $rawmods[$seq]->groupingid;
1093 $mod[$seq]->groupmembersonly = $rawmods[$seq]->groupmembersonly;
1094 $mod[$seq]->indent = $rawmods[$seq]->indent;
1095 $mod[$seq]->completion = $rawmods[$seq]->completion;
1096 $mod[$seq]->extra = "";
1097 $mod[$seq]->completiongradeitemnumber =
1098 $rawmods[$seq]->completiongradeitemnumber;
1099 $mod[$seq]->completionview = $rawmods[$seq]->completionview;
1100 $mod[$seq]->completionexpected = $rawmods[$seq]->completionexpected;
1101 $mod[$seq]->availablefrom = $rawmods[$seq]->availablefrom;
1102 $mod[$seq]->availableuntil = $rawmods[$seq]->availableuntil;
1103 $mod[$seq]->showavailability = $rawmods[$seq]->showavailability;
1104 $mod[$seq]->showdescription = $rawmods[$seq]->showdescription;
1105 if (!empty($CFG->enableavailability)) {
1106 condition_info::fill_availability_conditions($rawmods[$seq]);
1107 $mod[$seq]->conditionscompletion = $rawmods[$seq]->conditionscompletion;
1108 $mod[$seq]->conditionsgrade = $rawmods[$seq]->conditionsgrade;
1111 $modname = $mod[$seq]->mod;
1112 $functionname = $modname."_get_coursemodule_info";
1114 if (!file_exists("$CFG->dirroot/mod/$modname/lib.php")) {
1118 include_once("$CFG->dirroot/mod/$modname/lib.php");
1120 if ($hasfunction = function_exists($functionname)) {
1121 if ($info = $functionname($rawmods[$seq])) {
1122 if (!empty($info->icon)) {
1123 $mod[$seq]->icon = $info->icon;
1125 if (!empty($info->iconcomponent)) {
1126 $mod[$seq]->iconcomponent = $info->iconcomponent;
1128 if (!empty($info->name)) {
1129 $mod[$seq]->name = $info->name;
1131 if ($info instanceof cached_cm_info) {
1132 // When using cached_cm_info you can include three new fields
1133 // that aren't available for legacy code
1134 if (!empty($info->content)) {
1135 $mod[$seq]->content = $info->content;
1137 if (!empty($info->extraclasses)) {
1138 $mod[$seq]->extraclasses = $info->extraclasses;
1140 if (!empty($info->iconurl)) {
1141 $mod[$seq]->iconurl = $info->iconurl;
1143 if (!empty($info->onclick)) {
1144 $mod[$seq]->onclick = $info->onclick;
1146 if (!empty($info->customdata)) {
1147 $mod[$seq]->customdata = $info->customdata;
1150 // When using a stdclass, the (horrible) deprecated ->extra field
1151 // is available for BC
1152 if (!empty($info->extra)) {
1153 $mod[$seq]->extra = $info->extra;
1158 // When there is no modname_get_coursemodule_info function,
1159 // but showdescriptions is enabled, then we use the 'intro'
1160 // and 'introformat' fields in the module table
1161 if (!$hasfunction && $rawmods[$seq]->showdescription) {
1162 if ($modvalues = $DB->get_record($rawmods[$seq]->modname,
1163 array('id' => $rawmods[$seq]->instance), 'name, intro, introformat')) {
1164 // Set content from intro and introformat. Filters are disabled
1165 // because we filter it with format_text at display time
1166 $mod[$seq]->content = format_module_intro($rawmods[$seq]->modname,
1167 $modvalues, $rawmods[$seq]->id, false);
1169 // To save making another query just below, put name in here
1170 $mod[$seq]->name = $modvalues->name;
1173 if (!isset($mod[$seq]->name)) {
1174 $mod[$seq]->name = $DB->get_field($rawmods[$seq]->modname, "name", array("id"=>$rawmods[$seq]->instance));
1177 // Minimise the database size by unsetting default options when they are
1178 // 'empty'. This list corresponds to code in the cm_info constructor.
1179 foreach (array('idnumber', 'groupmode', 'groupingid', 'groupmembersonly',
1180 'indent', 'completion', 'extra', 'extraclasses', 'iconurl', 'onclick', 'content',
1181 'icon', 'iconcomponent', 'customdata', 'showavailability', 'availablefrom',
1182 'availableuntil', 'conditionscompletion', 'conditionsgrade',
1183 'completionview', 'completionexpected', 'score', 'showdescription')
1185 if (property_exists($mod[$seq], $property) &&
1186 empty($mod[$seq]->{$property})) {
1187 unset($mod[$seq]->{$property});
1190 // Special case: this value is usually set to null, but may be 0
1191 if (property_exists($mod[$seq], 'completiongradeitemnumber') &&
1192 is_null($mod[$seq]->completiongradeitemnumber)) {
1193 unset($mod[$seq]->completiongradeitemnumber);
1204 * Returns a number of useful structures for course displays
1206 function get_all_mods($courseid, &$mods, &$modnames, &$modnamesplural, &$modnamesused) {
1207 global $CFG, $DB, $COURSE;
1209 $mods = array(); // course modules indexed by id
1210 $modnames = array(); // all course module names (except resource!)
1211 $modnamesplural= array(); // all course module names (plural form)
1212 $modnamesused = array(); // course module names used
1214 if ($allmods = $DB->get_records("modules")) {
1215 foreach ($allmods as $mod) {
1216 if (!file_exists("$CFG->dirroot/mod/$mod->name/lib.php")) {
1219 if ($mod->visible) {
1220 $modnames[$mod->name] = get_string("modulename", "$mod->name");
1221 $modnamesplural[$mod->name] = get_string("modulenameplural", "$mod->name");
1224 collatorlib::asort($modnames);
1226 print_error("nomodules", 'debug');
1229 $course = ($courseid==$COURSE->id) ? $COURSE : $DB->get_record('course',array('id'=>$courseid));
1230 $modinfo = get_fast_modinfo($course);
1232 if ($rawmods=$modinfo->cms) {
1233 foreach($rawmods as $mod) { // Index the mods
1234 if (empty($modnames[$mod->modname])) {
1237 $mods[$mod->id] = $mod;
1238 $mods[$mod->id]->modfullname = $modnames[$mod->modname];
1239 if (!$mod->visible and !has_capability('moodle/course:viewhiddenactivities', get_context_instance(CONTEXT_COURSE, $courseid))) {
1243 if (!groups_course_module_visible($mod)) {
1246 $modnamesused[$mod->modname] = $modnames[$mod->modname];
1248 if ($modnamesused) {
1249 collatorlib::asort($modnamesused);
1255 * Returns an array of sections for the requested course id
1257 * This function stores the sections against the course id within a staticvar encase
1258 * of subsequent requests. This is used all over + in some standard libs and course
1259 * format callbacks so subsequent requests are a reality.
1261 * @staticvar array $coursesections
1262 * @param int $courseid
1263 * @return array Array of sections
1265 function get_all_sections($courseid) {
1267 static $coursesections = array();
1268 if (!array_key_exists($courseid, $coursesections)) {
1269 $coursesections[$courseid] = $DB->get_records("course_sections", array("course"=>"$courseid"), "section",
1270 "section, id, course, name, summary, summaryformat, sequence, visible");
1272 return $coursesections[$courseid];
1276 * Returns the course section to display or 0 meaning show all sections. Returns 0 for guests.
1277 * It also sets the $USER->display cache to array($courseid=>return value)
1279 * @param int $courseid The course id
1280 * @return int Course section to display, 0 means all
1282 function course_get_display($courseid) {
1285 if (!isloggedin() or isguestuser()) {
1286 //do not get settings in db for guests
1287 return 0; //return the implicit setting
1290 if (!isset($USER->display[$courseid])) {
1291 if (!$display = $DB->get_field('course_display', 'display', array('userid' => $USER->id, 'course'=>$courseid))) {
1292 $display = 0; // all sections option is not stored in DB, this makes the table much smaller
1294 //use display cache for one course only - we need to keep session small
1295 $USER->display = array($courseid => $display);
1298 return $USER->display[$courseid];
1302 * Show one section only or all sections.
1304 * @param int $courseid The course id
1305 * @param mixed $display show only this section, 0 or 'all' means show all sections
1306 * @return int Course section to display, 0 means all
1308 function course_set_display($courseid, $display) {
1311 if ($display === 'all' or empty($display)) {
1315 if (!isloggedin() or isguestuser()) {
1316 //do not store settings in db for guests
1320 if ($display == 0) {
1321 //show all, do not store anything in database
1322 $DB->delete_records('course_display', array('userid' => $USER->id, 'course' => $courseid));
1325 if ($DB->record_exists('course_display', array('userid' => $USER->id, 'course' => $courseid))) {
1326 $DB->set_field('course_display', 'display', $display, array('userid' => $USER->id, 'course' => $courseid));
1328 $record = new stdClass();
1329 $record->userid = $USER->id;
1330 $record->course = $courseid;
1331 $record->display = $display;
1332 $DB->insert_record('course_display', $record);
1336 //use display cache for one course only - we need to keep session small
1337 $USER->display = array($courseid => $display);
1343 * For a given course section, marks it visible or hidden,
1344 * and does the same for every activity in that section
1346 function set_section_visible($courseid, $sectionnumber, $visibility) {
1349 if ($section = $DB->get_record("course_sections", array("course"=>$courseid, "section"=>$sectionnumber))) {
1350 $DB->set_field("course_sections", "visible", "$visibility", array("id"=>$section->id));
1351 if (!empty($section->sequence)) {
1352 $modules = explode(",", $section->sequence);
1353 foreach ($modules as $moduleid) {
1354 set_coursemodule_visible($moduleid, $visibility, true);
1357 rebuild_course_cache($courseid);
1362 * Obtains shared data that is used in print_section when displaying a
1363 * course-module entry.
1365 * Calls format_text or format_string as appropriate, and obtains the correct icon.
1367 * This data is also used in other areas of the code.
1368 * @param cm_info $cm Course-module data (must come from get_fast_modinfo)
1369 * @param object $course Moodle course object
1370 * @return array An array with the following values in this order:
1371 * $content (optional extra content for after link),
1372 * $instancename (text of link)
1374 function get_print_section_cm_text(cm_info $cm, $course) {
1377 // Get content from modinfo if specified. Content displays either
1378 // in addition to the standard link (below), or replaces it if
1379 // the link is turned off by setting ->url to null.
1380 if (($content = $cm->get_content()) !== '') {
1381 // Improve filter performance by preloading filter setttings for all
1382 // activities on the course (this does nothing if called multiple
1384 filter_preload_activities($cm->get_modinfo());
1386 // Get module context
1387 $modulecontext = get_context_instance(CONTEXT_MODULE, $cm->id);
1388 $labelformatoptions = new stdClass();
1389 $labelformatoptions->noclean = true;
1390 $labelformatoptions->overflowdiv = true;
1391 $labelformatoptions->context = $modulecontext;
1392 $content = format_text($content, FORMAT_HTML, $labelformatoptions);
1397 // Get course context
1398 $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
1399 $stringoptions = new stdClass;
1400 $stringoptions->context = $coursecontext;
1401 $instancename = format_string($cm->name, true, $stringoptions);
1402 return array($content, $instancename);
1406 * Prints a section full of activity modules
1408 function print_section($course, $section, $mods, $modnamesused, $absolute=false, $width="100%", $hidecompletion=false) {
1409 global $CFG, $USER, $DB, $PAGE, $OUTPUT;
1411 static $initialised;
1413 static $groupbuttons;
1414 static $groupbuttonslink;
1417 static $strmovehere;
1418 static $strmovefull;
1419 static $strunreadpostsone;
1421 static $modulenames;
1423 if (!isset($initialised)) {
1424 $groupbuttons = ($course->groupmode or (!$course->groupmodeforce));
1425 $groupbuttonslink = (!$course->groupmodeforce);
1426 $isediting = $PAGE->user_is_editing();
1427 $ismoving = $isediting && ismoving($course->id);
1429 $strmovehere = get_string("movehere");
1430 $strmovefull = strip_tags(get_string("movefull", "", "'$USER->activitycopyname'"));
1432 $modulenames = array();
1433 $initialised = true;
1436 $tl = textlib_get_instance();
1438 $modinfo = get_fast_modinfo($course);
1439 $completioninfo = new completion_info($course);
1441 //Accessibility: replace table with list <ul>, but don't output empty list.
1442 if (!empty($section->sequence)) {
1444 // Fix bug #5027, don't want style=\"width:$width\".
1445 echo "<ul class=\"section img-text\">\n";
1446 $sectionmods = explode(",", $section->sequence);
1448 foreach ($sectionmods as $modnumber) {
1449 if (empty($mods[$modnumber])) {
1456 $mod = $mods[$modnumber];
1458 if ($ismoving and $mod->id == $USER->activitycopy) {
1459 // do not display moving mod
1463 if (isset($modinfo->cms[$modnumber])) {
1464 // We can continue (because it will not be displayed at all)
1466 // 1) The activity is not visible to users
1468 // 2a) The 'showavailability' option is not set (if that is set,
1469 // we need to display the activity so we can show
1470 // availability info)
1472 // 2b) The 'availableinfo' is empty, i.e. the activity was
1473 // hidden in a way that leaves no info, such as using the
1475 if (!$modinfo->cms[$modnumber]->uservisible &&
1476 (empty($modinfo->cms[$modnumber]->showavailability) ||
1477 empty($modinfo->cms[$modnumber]->availableinfo))) {
1478 // visibility shortcut
1482 if (!file_exists("$CFG->dirroot/mod/$mod->modname/lib.php")) {
1483 // module not installed
1486 if (!coursemodule_visible_for_user($mod) &&
1487 empty($mod->showavailability)) {
1488 // full visibility check
1493 if (!isset($modulenames[$mod->modname])) {
1494 $modulenames[$mod->modname] = get_string('modulename', $mod->modname);
1496 $modulename = $modulenames[$mod->modname];
1498 // In some cases the activity is visible to user, but it is
1499 // dimmed. This is done if viewhiddenactivities is true and if:
1500 // 1. the activity is not visible, or
1501 // 2. the activity has dates set which do not include current, or
1502 // 3. the activity has any other conditions set (regardless of whether
1503 // current user meets them)
1504 $canviewhidden = has_capability(
1505 'moodle/course:viewhiddenactivities',
1506 get_context_instance(CONTEXT_MODULE, $mod->id));
1507 $accessiblebutdim = false;
1508 if ($canviewhidden) {
1509 $accessiblebutdim = !$mod->visible;
1510 if (!empty($CFG->enableavailability)) {
1511 $accessiblebutdim = $accessiblebutdim ||
1512 $mod->availablefrom > time() ||
1513 ($mod->availableuntil && $mod->availableuntil < time()) ||
1514 count($mod->conditionsgrade) > 0 ||
1515 count($mod->conditionscompletion) > 0;
1519 $liclasses = array();
1520 $liclasses[] = 'activity';
1521 $liclasses[] = $mod->modname;
1522 $liclasses[] = 'modtype_'.$mod->modname;
1523 $extraclasses = $mod->get_extra_classes();
1524 if ($extraclasses) {
1525 $liclasses = array_merge($liclasses, explode(' ', $extraclasses));
1527 echo html_writer::start_tag('li', array('class'=>join(' ', $liclasses), 'id'=>'module-'.$modnumber));
1529 echo '<a title="'.$strmovefull.'"'.
1530 ' href="'.$CFG->wwwroot.'/course/mod.php?moveto='.$mod->id.'&sesskey='.sesskey().'">'.
1531 '<img class="movetarget" src="'.$OUTPUT->pix_url('movehere') . '" '.
1532 ' alt="'.$strmovehere.'" /></a><br />
1536 $classes = array('mod-indent');
1537 if (!empty($mod->indent)) {
1538 $classes[] = 'mod-indent-'.$mod->indent;
1539 if ($mod->indent > 15) {
1540 $classes[] = 'mod-indent-huge';
1543 echo html_writer::start_tag('div', array('class'=>join(' ', $classes)));
1545 // Get data about this course-module
1546 list($content, $instancename) =
1547 get_print_section_cm_text($modinfo->cms[$modnumber], $course);
1549 //Accessibility: for files get description via icon, this is very ugly hack!
1551 $altname = $mod->modfullname;
1552 if (!empty($customicon)) {
1553 $archetype = plugin_supports('mod', $mod->modname, FEATURE_MOD_ARCHETYPE, MOD_ARCHETYPE_OTHER);
1554 if ($archetype == MOD_ARCHETYPE_RESOURCE) {
1555 $mimetype = mimeinfo_from_icon('type', $customicon);
1556 $altname = get_mimetype_description($mimetype);
1559 // Avoid unnecessary duplication: if e.g. a forum name already
1560 // includes the word forum (or Forum, etc) then it is unhelpful
1561 // to include that in the accessible description that is added.
1562 if (false !== strpos($tl->strtolower($instancename),
1563 $tl->strtolower($altname))) {
1566 // File type after name, for alphabetic lists (screen reader).
1568 $altname = get_accesshide(' '.$altname);
1571 // We may be displaying this just in order to show information
1572 // about visibility, without the actual link
1574 if ($mod->uservisible) {
1575 // Nope - in this case the link is fully working for user
1578 if ($accessiblebutdim) {
1579 $linkclasses .= ' dimmed';
1580 $textclasses .= ' dimmed_text';
1581 $accesstext = '<span class="accesshide">'.
1582 get_string('hiddenfromstudents').': </span>';
1587 $linkcss = 'class="' . trim($linkclasses) . '" ';
1592 $textcss = 'class="' . trim($textclasses) . '" ';
1597 // Get on-click attribute value if specified
1598 $onclick = $mod->get_on_click();
1600 $onclick = ' onclick="' . $onclick . '"';
1603 if ($url = $mod->get_url()) {
1604 // Display link itself
1605 echo '<a ' . $linkcss . $mod->extra . $onclick .
1606 ' href="' . $url . '"><img src="' . $mod->get_icon_url() .
1607 '" class="activityicon" alt="' .
1608 $modulename . '" /> ' .
1609 $accesstext . '<span class="instancename">' .
1610 $instancename . $altname . '</span></a>';
1612 // If specified, display extra content after link
1614 $contentpart = '<div class="' . trim('contentafterlink' . $textclasses) .
1615 '">' . $content . '</div>';
1618 // No link, so display only content
1619 $contentpart = '<div ' . $textcss . $mod->extra . '>' .
1620 $accesstext . $content . '</div>';
1623 if (!empty($mod->groupingid) && has_capability('moodle/course:managegroups', get_context_instance(CONTEXT_COURSE, $course->id))) {
1624 if (!isset($groupings)) {
1625 $groupings = groups_get_all_groupings($course->id);
1627 echo " <span class=\"groupinglabel\">(".format_string($groupings[$mod->groupingid]->name).')</span>';
1630 $textclasses = $extraclasses;
1631 $textclasses .= ' dimmed_text';
1633 $textcss = 'class="' . trim($textclasses) . '" ';
1637 $accesstext = '<span class="accesshide">' .
1638 get_string('notavailableyet', 'condition') .
1641 if ($url = $mod->get_url()) {
1642 // Display greyed-out text of link
1643 echo '<div ' . $textcss . $mod->extra .
1644 ' >' . '<img src="' . $mod->get_icon_url() .
1645 '" class="activityicon" alt="' .
1647 '" /> <span>'. $instancename . $altname .
1650 // Do not display content after link when it is greyed out like this.
1652 // No link, so display only content (also greyed)
1653 $contentpart = '<div ' . $textcss . $mod->extra . '>' .
1654 $accesstext . $content . '</div>';
1658 // Module can put text after the link (e.g. forum unread)
1659 echo $mod->get_after_link();
1661 // If there is content but NO link (eg label), then display the
1662 // content here (BEFORE any icons). In this case cons must be
1663 // displayed after the content so that it makes more sense visually
1664 // and for accessibility reasons, e.g. if you have a one-line label
1665 // it should work similarly (at least in terms of ordering) to an
1672 if ($groupbuttons and plugin_supports('mod', $mod->modname, FEATURE_GROUPS, 0)) {
1673 if (! $mod->groupmodelink = $groupbuttonslink) {
1674 $mod->groupmode = $course->groupmode;
1678 $mod->groupmode = false;
1680 echo ' ';
1681 echo make_editing_buttons($mod, $absolute, true, $mod->indent, $section->section);
1682 echo $mod->get_after_edit_icons();
1686 $completion = $hidecompletion
1687 ? COMPLETION_TRACKING_NONE
1688 : $completioninfo->is_enabled($mod);
1689 if ($completion!=COMPLETION_TRACKING_NONE && isloggedin() &&
1690 !isguestuser() && $mod->uservisible) {
1691 $completiondata = $completioninfo->get_data($mod,true);
1692 $completionicon = '';
1694 switch ($completion) {
1695 case COMPLETION_TRACKING_MANUAL :
1696 $completionicon = 'manual-enabled'; break;
1697 case COMPLETION_TRACKING_AUTOMATIC :
1698 $completionicon = 'auto-enabled'; break;
1701 } else if ($completion==COMPLETION_TRACKING_MANUAL) {
1702 switch($completiondata->completionstate) {
1703 case COMPLETION_INCOMPLETE:
1704 $completionicon = 'manual-n'; break;
1705 case COMPLETION_COMPLETE:
1706 $completionicon = 'manual-y'; break;
1708 } else { // Automatic
1709 switch($completiondata->completionstate) {
1710 case COMPLETION_INCOMPLETE:
1711 $completionicon = 'auto-n'; break;
1712 case COMPLETION_COMPLETE:
1713 $completionicon = 'auto-y'; break;
1714 case COMPLETION_COMPLETE_PASS:
1715 $completionicon = 'auto-pass'; break;
1716 case COMPLETION_COMPLETE_FAIL:
1717 $completionicon = 'auto-fail'; break;
1720 if ($completionicon) {
1721 $imgsrc = $OUTPUT->pix_url('i/completion-'.$completionicon);
1722 $imgalt = s(get_string('completion-alt-'.$completionicon, 'completion'));
1723 if ($completion == COMPLETION_TRACKING_MANUAL && !$isediting) {
1724 $imgtitle = s(get_string('completion-title-'.$completionicon, 'completion'));
1726 $completiondata->completionstate==COMPLETION_COMPLETE
1727 ? COMPLETION_INCOMPLETE
1728 : COMPLETION_COMPLETE;
1729 // In manual mode the icon is a toggle form...
1731 // If this completion state is used by the
1732 // conditional activities system, we need to turn
1734 if (!empty($CFG->enableavailability) &&
1735 condition_info::completion_value_used_as_condition($course, $mod)) {
1736 $extraclass = ' preventjs';
1741 <form class='togglecompletion$extraclass' method='post' action='".$CFG->wwwroot."/course/togglecompletion.php'><div>
1742 <input type='hidden' name='id' value='{$mod->id}' />
1743 <input type='hidden' name='sesskey' value='".sesskey()."' />
1744 <input type='hidden' name='completionstate' value='$newstate' />
1745 <input type='image' src='$imgsrc' alt='$imgalt' title='$imgtitle' />
1748 // In auto mode, or when editing, the icon is just an image
1749 echo "<span class='autocompletion'>";
1750 echo "<img src='$imgsrc' alt='$imgalt' title='$imgalt' /></span>";
1755 // If there is content AND a link, then display the content here
1756 // (AFTER any icons). Otherwise it was displayed before
1761 // Show availability information (for someone who isn't allowed to
1762 // see the activity itself, or for staff)
1763 if (!$mod->uservisible) {
1764 echo '<div class="availabilityinfo">'.$mod->availableinfo.'</div>';
1765 } else if ($canviewhidden && !empty($CFG->enableavailability)) {
1766 $ci = new condition_info($mod);
1767 $fullinfo = $ci->get_full_information();
1769 echo '<div class="availabilityinfo">'.get_string($mod->showavailability
1770 ? 'userrestriction_visible'
1771 : 'userrestriction_hidden','condition',
1772 $fullinfo).'</div>';
1776 echo html_writer::end_tag('div');
1777 echo html_writer::end_tag('li')."\n";
1780 } elseif ($ismoving) {
1781 echo "<ul class=\"section\">\n";
1785 echo '<li><a title="'.$strmovefull.'"'.
1786 ' href="'.$CFG->wwwroot.'/course/mod.php?movetosection='.$section->id.'&sesskey='.sesskey().'">'.
1787 '<img class="movetarget" src="'.$OUTPUT->pix_url('movehere') . '" '.
1788 ' alt="'.$strmovehere.'" /></a></li>
1791 if (!empty($section->sequence) || $ismoving) {
1792 echo "</ul><!--class='section'-->\n\n";
1797 * Prints the menus to add activities and resources.
1799 function print_section_add_menus($course, $section, $modnames, $vertical=false, $return=false) {
1800 global $CFG, $OUTPUT;
1802 // check to see if user can add menus
1803 if (!has_capability('moodle/course:manageactivities', get_context_instance(CONTEXT_COURSE, $course->id))) {
1807 $urlbase = "/course/mod.php?id=$course->id§ion=$section&sesskey=".sesskey().'&add=';
1809 $resources = array();
1810 $activities = array();
1812 foreach($modnames as $modname=>$modnamestr) {
1813 if (!course_allowed_module($course, $modname)) {
1817 $libfile = "$CFG->dirroot/mod/$modname/lib.php";
1818 if (!file_exists($libfile)) {
1821 include_once($libfile);
1822 $gettypesfunc = $modname.'_get_types';
1823 if (function_exists($gettypesfunc)) {
1824 // NOTE: this is legacy stuff, module subtypes are very strongly discouraged!!
1825 if ($types = $gettypesfunc()) {
1829 foreach($types as $type) {
1830 if ($type->typestr === '--') {
1833 if (strpos($type->typestr, '--') === 0) {
1834 $groupname = str_replace('--', '', $type->typestr);
1837 $type->type = str_replace('&', '&', $type->type);
1838 if ($type->modclass == MOD_CLASS_RESOURCE) {
1839 $atype = MOD_CLASS_RESOURCE;
1841 $menu[$urlbase.$type->type] = $type->typestr;
1843 if (!is_null($groupname)) {
1844 if ($atype == MOD_CLASS_RESOURCE) {
1845 $resources[] = array($groupname=>$menu);
1847 $activities[] = array($groupname=>$menu);
1850 if ($atype == MOD_CLASS_RESOURCE) {
1851 $resources = array_merge($resources, $menu);
1853 $activities = array_merge($activities, $menu);
1858 $archetype = plugin_supports('mod', $modname, FEATURE_MOD_ARCHETYPE, MOD_ARCHETYPE_OTHER);
1859 if ($archetype == MOD_ARCHETYPE_RESOURCE) {
1860 $resources[$urlbase.$modname] = $modnamestr;
1861 } else if ($archetype === MOD_ARCHETYPE_SYSTEM) {
1862 // System modules cannot be added by user, do not add to dropdown
1864 // all other archetypes are considered activity
1865 $activities[$urlbase.$modname] = $modnamestr;
1870 $straddactivity = get_string('addactivity');
1871 $straddresource = get_string('addresource');
1873 $output = '<div class="section_add_menus">';
1876 $output .= '<div class="horizontal">';
1879 if (!empty($resources)) {
1880 $select = new url_select($resources, '', array(''=>$straddresource), "ressection$section");
1881 $select->set_help_icon('resources');
1882 $output .= $OUTPUT->render($select);
1885 if (!empty($activities)) {
1886 $select = new url_select($activities, '', array(''=>$straddactivity), "section$section");
1887 $select->set_help_icon('activities');
1888 $output .= $OUTPUT->render($select);
1892 $output .= '</div>';
1895 $output .= '</div>';
1905 * Return the course category context for the category with id $categoryid, except
1906 * that if $categoryid is 0, return the system context.
1908 * @param integer $categoryid a category id or 0.
1909 * @return object the corresponding context
1911 function get_category_or_system_context($categoryid) {
1913 return get_context_instance(CONTEXT_COURSECAT, $categoryid);
1915 return get_context_instance(CONTEXT_SYSTEM);
1920 * Gets the child categories of a given courses category. Uses a static cache
1921 * to make repeat calls efficient.
1923 * @param int $parentid the id of a course category.
1924 * @return array all the child course categories.
1926 function get_child_categories($parentid) {
1927 static $allcategories = null;
1929 // only fill in this variable the first time
1930 if (null == $allcategories) {
1931 $allcategories = array();
1933 $categories = get_categories();
1934 foreach ($categories as $category) {
1935 if (empty($allcategories[$category->parent])) {
1936 $allcategories[$category->parent] = array();
1938 $allcategories[$category->parent][] = $category;
1942 if (empty($allcategories[$parentid])) {
1945 return $allcategories[$parentid];
1950 * This function recursively travels the categories, building up a nice list
1951 * for display. It also makes an array that list all the parents for each
1954 * For example, if you have a tree of categories like:
1955 * Miscellaneous (id = 1)
1956 * Subcategory (id = 2)
1957 * Sub-subcategory (id = 4)
1958 * Other category (id = 3)
1959 * Then after calling this function you will have
1960 * $list = array(1 => 'Miscellaneous', 2 => 'Miscellaneous / Subcategory',
1961 * 4 => 'Miscellaneous / Subcategory / Sub-subcategory',
1962 * 3 => 'Other category');
1963 * $parents = array(2 => array(1), 4 => array(1, 2));
1965 * If you specify $requiredcapability, then only categories where the current
1966 * user has that capability will be added to $list, although all categories
1967 * will still be added to $parents, and if you only have $requiredcapability
1968 * in a child category, not the parent, then the child catgegory will still be
1971 * If you specify the option $excluded, then that category, and all its children,
1972 * are omitted from the tree. This is useful when you are doing something like
1973 * moving categories, where you do not want to allow people to move a category
1974 * to be the child of itself.
1976 * @param array $list For output, accumulates an array categoryid => full category path name
1977 * @param array $parents For output, accumulates an array categoryid => list of parent category ids.
1978 * @param string/array $requiredcapability if given, only categories where the current
1979 * user has this capability will be added to $list. Can also be an array of capabilities,
1980 * in which case they are all required.
1981 * @param integer $excludeid Omit this category and its children from the lists built.
1982 * @param object $category Build the tree starting at this category - otherwise starts at the top level.
1983 * @param string $path For internal use, as part of recursive calls.
1985 function make_categories_list(&$list, &$parents, $requiredcapability = '',
1986 $excludeid = 0, $category = NULL, $path = "") {
1988 // initialize the arrays if needed
1989 if (!is_array($list)) {
1992 if (!is_array($parents)) {
1996 if (empty($category)) {
1997 // Start at the top level.
1998 $category = new stdClass;
2001 // This is the excluded category, don't include it.
2002 if ($excludeid > 0 && $excludeid == $category->id) {
2006 $context = get_context_instance(CONTEXT_COURSECAT, $category->id);
2007 $categoryname = format_string($category->name, true, array('context' => $context));
2011 $path = $path.' / '.$categoryname;
2013 $path = $categoryname;
2016 // Add this category to $list, if the permissions check out.
2017 if (empty($requiredcapability)) {
2018 $list[$category->id] = $path;
2021 $requiredcapability = (array)$requiredcapability;
2022 if (has_all_capabilities($requiredcapability, $context)) {
2023 $list[$category->id] = $path;
2028 // Add all the children recursively, while updating the parents array.
2029 if ($categories = get_child_categories($category->id)) {
2030 foreach ($categories as $cat) {
2031 if (!empty($category->id)) {
2032 if (isset($parents[$category->id])) {
2033 $parents[$cat->id] = $parents[$category->id];
2035 $parents[$cat->id][] = $category->id;
2037 make_categories_list($list, $parents, $requiredcapability, $excludeid, $cat, $path);
2043 * This function generates a structured array of courses and categories.
2045 * The depth of categories is limited by $CFG->maxcategorydepth however there
2046 * is no limit on the number of courses!
2048 * Suitable for use with the course renderers course_category_tree method:
2049 * $renderer = $PAGE->get_renderer('core','course');
2050 * echo $renderer->course_category_tree(get_course_category_tree());
2052 * @global moodle_database $DB
2056 function get_course_category_tree($id = 0, $depth = 0) {
2058 $viewhiddencats = has_capability('moodle/category:viewhiddencategories', get_context_instance(CONTEXT_SYSTEM));
2059 $categories = get_child_categories($id);
2060 $categoryids = array();
2061 foreach ($categories as $key => &$category) {
2062 if (!$category->visible && !$viewhiddencats) {
2063 unset($categories[$key]);
2066 $categoryids[$category->id] = $category;
2067 if (empty($CFG->maxcategorydepth) || $depth <= $CFG->maxcategorydepth) {
2068 list($category->categories, $subcategories) = get_course_category_tree($category->id, $depth+1);
2069 foreach ($subcategories as $subid=>$subcat) {
2070 $categoryids[$subid] = $subcat;
2072 $category->courses = array();
2077 // This is a recursive call so return the required array
2078 return array($categories, $categoryids);
2081 // The depth is 0 this function has just been called so we can finish it off
2083 list($ccselect, $ccjoin) = context_instance_preload_sql('c.id', CONTEXT_COURSE, 'ctx');
2084 list($catsql, $catparams) = $DB->get_in_or_equal(array_keys($categoryids));
2086 c.id,c.sortorder,c.visible,c.fullname,c.shortname,c.summary,c.category
2090 WHERE c.category $catsql ORDER BY c.sortorder ASC";
2091 if ($courses = $DB->get_records_sql($sql, $catparams)) {
2092 // loop throught them
2093 foreach ($courses as $course) {
2094 if ($course->id == SITEID) {
2097 context_instance_preload($course);
2098 if (!empty($course->visible) || has_capability('moodle/course:viewhiddencourses', get_context_instance(CONTEXT_COURSE, $course->id))) {
2099 $categoryids[$course->category]->courses[$course->id] = $course;
2107 * Recursive function to print out all the categories in a nice format
2108 * with or without courses included
2110 function print_whole_category_list($category=NULL, $displaylist=NULL, $parentslist=NULL, $depth=-1, $showcourses = true) {
2113 // maxcategorydepth == 0 meant no limit
2114 if (!empty($CFG->maxcategorydepth) && $depth >= $CFG->maxcategorydepth) {
2118 if (!$displaylist) {
2119 make_categories_list($displaylist, $parentslist);
2123 if ($category->visible or has_capability('moodle/category:viewhiddencategories', get_context_instance(CONTEXT_SYSTEM))) {
2124 print_category_info($category, $depth, $showcourses);
2126 return; // Don't bother printing children of invisible categories
2130 $category->id = "0";
2133 if ($categories = get_child_categories($category->id)) { // Print all the children recursively
2134 $countcats = count($categories);
2138 foreach ($categories as $cat) {
2140 if ($count == $countcats) {
2143 $up = $first ? false : true;
2144 $down = $last ? false : true;
2147 print_whole_category_list($cat, $displaylist, $parentslist, $depth + 1, $showcourses);
2153 * This function will return $options array for html_writer::select(), with whitespace to denote nesting.
2155 function make_categories_options() {
2156 make_categories_list($cats,$parents);
2157 foreach ($cats as $key => $value) {
2158 if (array_key_exists($key,$parents)) {
2159 if ($indent = count($parents[$key])) {
2160 for ($i = 0; $i < $indent; $i++) {
2161 $cats[$key] = ' '.$cats[$key];
2170 * Gets the name of a course to be displayed when showing a list of courses.
2171 * By default this is just $course->fullname but user can configure it. The
2172 * result of this function should be passed through print_string.
2173 * @param object $course Moodle course object
2174 * @return string Display name of course (either fullname or short + fullname)
2176 function get_course_display_name_for_list($course) {
2178 if (!empty($CFG->courselistshortnames)) {
2179 return $course->shortname . ' ' .$course->fullname;
2181 return $course->fullname;
2186 * Prints the category info in indented fashion
2187 * This function is only used by print_whole_category_list() above
2189 function print_category_info($category, $depth=0, $showcourses = false) {
2190 global $CFG, $DB, $OUTPUT;
2192 $strsummary = get_string('summary');
2195 if (!$category->visible) {
2196 $catlinkcss = array('class'=>'dimmed');
2198 static $coursecount = null;
2199 if (null === $coursecount) {
2200 // only need to check this once
2201 $coursecount = $DB->count_records('course') <= FRONTPAGECOURSELIMIT;
2204 if ($showcourses and $coursecount) {
2205 $catimage = '<img src="'.$OUTPUT->pix_url('i/course') . '" alt="" />';
2207 $catimage = " ";
2210 $courses = get_courses($category->id, 'c.sortorder ASC', 'c.id,c.sortorder,c.visible,c.fullname,c.shortname,c.summary');
2211 $context = get_context_instance(CONTEXT_COURSECAT, $category->id);
2212 $fullname = format_string($category->name, true, array('context' => $context));
2214 if ($showcourses and $coursecount) {
2215 echo '<div class="categorylist clearfix">';
2217 $cat .= html_writer::tag('div', $catimage, array('class'=>'image'));
2218 $catlink = html_writer::link(new moodle_url('/course/category.php', array('id'=>$category->id)), $fullname, $catlinkcss);
2219 $cat .= html_writer::tag('div', $catlink, array('class'=>'name'));
2223 for ($i=0; $i< $depth; $i++) {
2224 $html = html_writer::tag('div', $html . $cat, array('class'=>'indentation'));
2230 echo html_writer::tag('div', $html, array('class'=>'category'));
2231 echo html_writer::tag('div', '', array('class'=>'clearfloat'));
2233 // does the depth exceed maxcategorydepth
2234 // maxcategorydepth == 0 or unset meant no limit
2235 $limit = !(isset($CFG->maxcategorydepth) && ($depth >= $CFG->maxcategorydepth-1));
2236 if ($courses && ($limit || $CFG->maxcategorydepth == 0)) {
2237 foreach ($courses as $course) {
2239 if (!$course->visible) {
2240 $linkcss = array('class'=>'dimmed');
2243 $coursename = get_course_display_name_for_list($course);
2244 $courselink = html_writer::link(new moodle_url('/course/view.php', array('id'=>$course->id)), format_string($coursename), $linkcss);
2248 if ($icons = enrol_get_course_info_icons($course)) {
2249 foreach ($icons as $pix_icon) {
2250 $courseicon = $OUTPUT->render($pix_icon).' ';
2254 $coursecontent = html_writer::tag('div', $courseicon.$courselink, array('class'=>'name'));
2256 if ($course->summary) {
2257 $link = new moodle_url('/course/info.php?id='.$course->id);
2258 $actionlink = $OUTPUT->action_link($link, '<img alt="'.$strsummary.'" src="'.$OUTPUT->pix_url('i/info') . '" />',
2259 new popup_action('click', $link, 'courseinfo', array('height' => 400, 'width' => 500)),
2260 array('title'=>$strsummary));
2262 $coursecontent .= html_writer::tag('div', $actionlink, array('class'=>'info'));
2266 for ($i=0; $i <= $depth; $i++) {
2267 $html = html_writer::tag('div', $html . $coursecontent , array('class'=>'indentation'));
2268 $coursecontent = '';
2270 echo html_writer::tag('div', $html, array('class'=>'course clearfloat'));
2275 echo '<div class="categorylist">';
2277 $cat = html_writer::link(new moodle_url('/course/category.php', array('id'=>$category->id)), $fullname, $catlinkcss);
2278 if (count($courses) > 0) {
2279 $cat .= html_writer::tag('span', ' ('.count($courses).')', array('title'=>get_string('numberofcourses'), 'class'=>'numberofcourse'));
2283 for ($i=0; $i< $depth; $i++) {
2284 $html = html_writer::tag('div', $html .$cat, array('class'=>'indentation'));
2291 echo html_writer::tag('div', $html, array('class'=>'category'));
2292 echo html_writer::tag('div', '', array('class'=>'clearfloat'));
2298 * Print the buttons relating to course requests.
2300 * @param object $systemcontext the system context.
2302 function print_course_request_buttons($systemcontext) {
2303 global $CFG, $DB, $OUTPUT;
2304 if (empty($CFG->enablecourserequests)) {
2307 if (!has_capability('moodle/course:create', $systemcontext) && has_capability('moodle/course:request', $systemcontext)) {
2308 /// Print a button to request a new course
2309 echo $OUTPUT->single_button('request.php', get_string('requestcourse'), 'get');
2311 /// Print a button to manage pending requests
2312 if (has_capability('moodle/site:approvecourse', $systemcontext)) {
2313 $disabled = !$DB->record_exists('course_request', array());
2314 echo $OUTPUT->single_button('pending.php', get_string('coursespending'), 'get', array('disabled'=>$disabled));
2319 * Does the user have permission to edit things in this category?
2321 * @param integer $categoryid The id of the category we are showing, or 0 for system context.
2322 * @return boolean has_any_capability(array(...), ...); in the appropriate context.
2324 function can_edit_in_category($categoryid = 0) {
2325 $context = get_category_or_system_context($categoryid);
2326 return has_any_capability(array('moodle/category:manage', 'moodle/course:create'), $context);
2330 * Prints the turn editing on/off button on course/index.php or course/category.php.
2332 * @param integer $categoryid The id of the category we are showing, or 0 for system context.
2333 * @return string HTML of the editing button, or empty string, if this user is not allowed
2336 function update_category_button($categoryid = 0) {
2337 global $CFG, $PAGE, $OUTPUT;
2339 // Check permissions.
2340 if (!can_edit_in_category($categoryid)) {
2344 // Work out the appropriate action.
2345 if ($PAGE->user_is_editing()) {
2346 $label = get_string('turneditingoff');
2349 $label = get_string('turneditingon');
2353 // Generate the button HTML.
2354 $options = array('categoryedit' => $edit, 'sesskey' => sesskey());
2356 $options['id'] = $categoryid;
2357 $page = 'category.php';
2359 $page = 'index.php';
2361 return $OUTPUT->single_button(new moodle_url('/course/' . $page, $options), $label, 'get');
2365 * Category is 0 (for all courses) or an object
2367 function print_courses($category) {
2368 global $CFG, $OUTPUT;
2370 if (!is_object($category) && $category==0) {
2371 $categories = get_child_categories(0); // Parent = 0 ie top-level categories only
2372 if (is_array($categories) && count($categories) == 1) {
2373 $category = array_shift($categories);
2374 $courses = get_courses_wmanagers($category->id,
2376 array('summary','summaryformat'));
2378 $courses = get_courses_wmanagers('all',
2380 array('summary','summaryformat'));
2384 $courses = get_courses_wmanagers($category->id,
2386 array('summary','summaryformat'));
2390 echo html_writer::start_tag('ul', array('class'=>'unlist'));
2391 foreach ($courses as $course) {
2392 $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
2393 if ($course->visible == 1 || has_capability('moodle/course:viewhiddencourses', $coursecontext)) {
2394 echo html_writer::start_tag('li');
2395 print_course($course);
2396 echo html_writer::end_tag('li');
2399 echo html_writer::end_tag('ul');
2401 echo $OUTPUT->heading(get_string("nocoursesyet"));
2402 $context = get_context_instance(CONTEXT_SYSTEM);
2403 if (has_capability('moodle/course:create', $context)) {
2405 if (!empty($category->id)) {
2406 $options['category'] = $category->id;
2408 $options['category'] = $CFG->defaultrequestcategory;
2410 echo html_writer::start_tag('div', array('class'=>'addcoursebutton'));
2411 echo $OUTPUT->single_button(new moodle_url('/course/edit.php', $options), get_string("addnewcourse"));
2412 echo html_writer::end_tag('div');
2418 * Print a description of a course, suitable for browsing in a list.
2420 * @param object $course the course object.
2421 * @param string $highlightterms (optional) some search terms that should be highlighted in the display.
2423 function print_course($course, $highlightterms = '') {
2424 global $CFG, $USER, $DB, $OUTPUT;
2426 $context = get_context_instance(CONTEXT_COURSE, $course->id);
2428 // Rewrite file URLs so that they are correct
2429 $course->summary = file_rewrite_pluginfile_urls($course->summary, 'pluginfile.php', $context->id, 'course', 'summary', NULL);
2431 echo html_writer::start_tag('div', array('class'=>'coursebox clearfix'));
2432 echo html_writer::start_tag('div', array('class'=>'info'));
2433 echo html_writer::start_tag('h3', array('class'=>'name'));
2435 $linkhref = new moodle_url('/course/view.php', array('id'=>$course->id));
2437 $coursename = get_course_display_name_for_list($course);
2438 $linktext = highlight($highlightterms, format_string($coursename));
2439 $linkparams = array('title'=>get_string('entercourse'));
2440 if (empty($course->visible)) {
2441 $linkparams['class'] = 'dimmed';
2443 echo html_writer::link($linkhref, $linktext, $linkparams);
2444 echo html_writer::end_tag('h3');
2446 /// first find all roles that are supposed to be displayed
2447 if (!empty($CFG->coursecontact)) {
2448 $managerroles = explode(',', $CFG->coursecontact);
2449 $namesarray = array();
2452 if (!isset($course->managers)) {
2453 $rusers = get_role_users($managerroles, $context, true,
2454 'ra.id AS raid, u.id, u.username, u.firstname, u.lastname,
2455 r.name AS rolename, r.sortorder, r.id AS roleid',
2456 'r.sortorder ASC, u.lastname ASC');
2458 // use the managers array if we have it for perf reasosn
2459 // populate the datastructure like output of get_role_users();
2460 foreach ($course->managers as $manager) {
2461 $u = new stdClass();
2462 $u = $manager->user;
2463 $u->roleid = $manager->roleid;
2464 $u->rolename = $manager->rolename;
2470 /// Rename some of the role names if needed
2471 if (isset($context)) {
2472 $aliasnames = $DB->get_records('role_names', array('contextid'=>$context->id), '', 'roleid,contextid,name');
2475 $namesarray = array();
2476 $canviewfullnames = has_capability('moodle/site:viewfullnames', $context);
2477 foreach ($rusers as $ra) {
2478 if (isset($namesarray[$ra->id])) {
2479 // only display a user once with the higest sortorder role
2483 if (isset($aliasnames[$ra->roleid])) {
2484 $ra->rolename = $aliasnames[$ra->roleid]->name;
2487 $fullname = fullname($ra, $canviewfullnames);
2488 $namesarray[$ra->id] = format_string($ra->rolename).': '.
2489 html_writer::link(new moodle_url('/user/view.php', array('id'=>$ra->id, 'course'=>SITEID)), $fullname);
2492 if (!empty($namesarray)) {
2493 echo html_writer::start_tag('ul', array('class'=>'teachers'));
2494 foreach ($namesarray as $name) {
2495 echo html_writer::tag('li', $name);
2497 echo html_writer::end_tag('ul');
2500 echo html_writer::end_tag('div'); // End of info div
2502 echo html_writer::start_tag('div', array('class'=>'summary'));
2504 $options->noclean = true;
2505 $options->para = false;
2506 $options->overflowdiv = true;
2507 if (!isset($course->summaryformat)) {
2508 $course->summaryformat = FORMAT_MOODLE;
2510 echo highlight($highlightterms, format_text($course->summary, $course->summaryformat, $options, $course->id));
2511 if ($icons = enrol_get_course_info_icons($course)) {
2512 echo html_writer::start_tag('div', array('class'=>'enrolmenticons'));
2513 foreach ($icons as $icon) {
2514 echo $OUTPUT->render($icon);
2516 echo html_writer::end_tag('div'); // End of enrolmenticons div
2518 echo html_writer::end_tag('div'); // End of summary div
2519 echo html_writer::end_tag('div'); // End of coursebox div
2523 * Prints custom user information on the home page.
2524 * Over time this can include all sorts of information
2526 function print_my_moodle() {
2527 global $USER, $CFG, $DB, $OUTPUT;
2529 if (!isloggedin() or isguestuser()) {
2530 print_error('nopermissions', '', '', 'See My Moodle');
2533 $courses = enrol_get_my_courses('summary', 'visible DESC,sortorder ASC');
2535 $rcourses = array();
2536 if (!empty($CFG->mnet_dispatcher_mode) && $CFG->mnet_dispatcher_mode==='strict') {
2537 $rcourses = get_my_remotecourses($USER->id);
2538 $rhosts = get_my_remotehosts();
2541 if (!empty($courses) || !empty($rcourses) || !empty($rhosts)) {
2543 if (!empty($courses)) {
2544 echo '<ul class="unlist">';
2545 foreach ($courses as $course) {
2546 if ($course->id == SITEID) {
2550 print_course($course);
2557 if (!empty($rcourses)) {
2558 // at the IDP, we know of all the remote courses
2559 foreach ($rcourses as $course) {
2560 print_remote_course($course, "100%");
2562 } elseif (!empty($rhosts)) {
2563 // non-IDP, we know of all the remote servers, but not courses
2564 foreach ($rhosts as $host) {
2565 print_remote_host($host, "100%");
2571 if ($DB->count_records("course") > (count($courses) + 1) ) { // Some courses not being displayed
2572 echo "<table width=\"100%\"><tr><td align=\"center\">";
2573 print_course_search("", false, "short");
2574 echo "</td><td align=\"center\">";
2575 echo $OUTPUT->single_button("$CFG->wwwroot/course/index.php", get_string("fulllistofcourses"), "get");
2576 echo "</td></tr></table>\n";
2580 if ($DB->count_records("course_categories") > 1) {
2581 echo $OUTPUT->box_start("categorybox");
2582 print_whole_category_list();
2583 echo $OUTPUT->box_end();
2591 function print_course_search($value="", $return=false, $format="plain") {
2597 $id = 'coursesearch';
2603 $strsearchcourses= get_string("searchcourses");
2605 if ($format == 'plain') {
2606 $output = '<form id="'.$id.'" action="'.$CFG->wwwroot.'/course/search.php" method="get">';
2607 $output .= '<fieldset class="coursesearchbox invisiblefieldset">';
2608 $output .= '<label for="coursesearchbox">'.$strsearchcourses.': </label>';
2609 $output .= '<input type="text" id="coursesearchbox" size="30" name="search" value="'.s($value).'" />';
2610 $output .= '<input type="submit" value="'.get_string('go').'" />';
2611 $output .= '</fieldset></form>';
2612 } else if ($format == 'short') {
2613 $output = '<form id="'.$id.'" action="'.$CFG->wwwroot.'/course/search.php" method="get">';
2614 $output .= '<fieldset class="coursesearchbox invisiblefieldset">';
2615 $output .= '<label for="shortsearchbox">'.$strsearchcourses.': </label>';
2616 $output .= '<input type="text" id="shortsearchbox" size="12" name="search" alt="'.s($strsearchcourses).'" value="'.s($value).'" />';
2617 $output .= '<input type="submit" value="'.get_string('go').'" />';
2618 $output .= '</fieldset></form>';
2619 } else if ($format == 'navbar') {
2620 $output = '<form id="coursesearchnavbar" action="'.$CFG->wwwroot.'/course/search.php" method="get">';
2621 $output .= '<fieldset class="coursesearchbox invisiblefieldset">';
2622 $output .= '<label for="navsearchbox">'.$strsearchcourses.': </label>';
2623 $output .= '<input type="text" id="navsearchbox" size="20" name="search" alt="'.s($strsearchcourses).'" value="'.s($value).'" />';
2624 $output .= '<input type="submit" value="'.get_string('go').'" />';
2625 $output .= '</fieldset></form>';
2634 function print_remote_course($course, $width="100%") {
2639 $url = "{$CFG->wwwroot}/auth/mnet/jump.php?hostid={$course->hostid}&wantsurl=/course/view.php?id={$course->remoteid}";
2641 echo '<div class="coursebox remotecoursebox clearfix">';
2642 echo '<div class="info">';
2643 echo '<div class="name"><a title="'.get_string('entercourse').'"'.
2644 $linkcss.' href="'.$url.'">'
2645 . format_string($course->fullname) .'</a><br />'
2646 . format_string($course->hostname) . ' : '
2647 . format_string($course->cat_name) . ' : '
2648 . format_string($course->shortname). '</div>';
2649 echo '</div><div class="summary">';
2651 $options->noclean = true;
2652 $options->para = false;
2653 $options->overflowdiv = true;
2654 echo format_text($course->summary, $course->summaryformat, $options);
2659 function print_remote_host($host, $width="100%") {
2664 echo '<div class="coursebox clearfix">';
2665 echo '<div class="info">';
2666 echo '<div class="name">';
2667 echo '<img src="'.$OUTPUT->pix_url('i/mnethost') . '" class="icon" alt="'.get_string('course').'" />';
2668 echo '<a title="'.s($host['name']).'" href="'.s($host['url']).'">'
2669 . s($host['name']).'</a> - ';
2670 echo $host['count'] . ' ' . get_string('courses');
2677 /// MODULE FUNCTIONS /////////////////////////////////////////////////////////////////
2679 function add_course_module($mod) {
2682 $mod->added = time();
2685 return $DB->insert_record("course_modules", $mod);
2689 * Returns course section - creates new if does not exist yet.
2690 * @param int $relative section number
2691 * @param int $courseid
2692 * @return object $course_section object
2694 function get_course_section($section, $courseid) {
2697 if ($cw = $DB->get_record("course_sections", array("section"=>$section, "course"=>$courseid))) {
2700 $cw = new stdClass();
2701 $cw->course = $courseid;
2702 $cw->section = $section;
2704 $cw->summaryformat = FORMAT_HTML;
2706 $id = $DB->insert_record("course_sections", $cw);
2707 return $DB->get_record("course_sections", array("id"=>$id));
2710 * Given a full mod object with section and course already defined, adds this module to that section.
2712 * @param object $mod
2713 * @param int $beforemod An existing ID which we will insert the new module before
2714 * @return int The course_sections ID where the mod is inserted
2716 function add_mod_to_section($mod, $beforemod=NULL) {
2719 if ($section = $DB->get_record("course_sections", array("course"=>$mod->course, "section"=>$mod->section))) {
2721 $section->sequence = trim($section->sequence);
2723 if (empty($section->sequence)) {
2724 $newsequence = "$mod->coursemodule";
2726 } else if ($beforemod) {
2727 $modarray = explode(",", $section->sequence);
2729 if ($key = array_keys($modarray, $beforemod->id)) {
2730 $insertarray = array($mod->id, $beforemod->id);
2731 array_splice($modarray, $key[0], 1, $insertarray);
2732 $newsequence = implode(",", $modarray);
2734 } else { // Just tack it on the end anyway
2735 $newsequence = "$section->sequence,$mod->coursemodule";
2739 $newsequence = "$section->sequence,$mod->coursemodule";
2742 $DB->set_field("course_sections", "sequence", $newsequence, array("id"=>$section->id));
2743 return $section->id; // Return course_sections ID that was used.
2745 } else { // Insert a new record
2746 $section->course = $mod->course;
2747 $section->section = $mod->section;
2748 $section->summary = "";
2749 $section->summaryformat = FORMAT_HTML;
2750 $section->sequence = $mod->coursemodule;
2751 return $DB->insert_record("course_sections", $section);
2755 function set_coursemodule_groupmode($id, $groupmode) {
2757 return $DB->set_field("course_modules", "groupmode", $groupmode, array("id"=>$id));
2760 function set_coursemodule_idnumber($id, $idnumber) {
2762 return $DB->set_field("course_modules", "idnumber", $idnumber, array("id"=>$id));
2766 * $prevstateoverrides = true will set the visibility of the course module
2767 * to what is defined in visibleold. This enables us to remember the current
2768 * visibility when making a whole section hidden, so that when we toggle
2769 * that section back to visible, we are able to return the visibility of
2770 * the course module back to what it was originally.
2772 function set_coursemodule_visible($id, $visible, $prevstateoverrides=false) {
2774 require_once($CFG->libdir.'/gradelib.php');
2776 if (!$cm = $DB->get_record('course_modules', array('id'=>$id))) {
2779 if (!$modulename = $DB->get_field('modules', 'name', array('id'=>$cm->module))) {
2782 if ($events = $DB->get_records('event', array('instance'=>$cm->instance, 'modulename'=>$modulename))) {
2783 foreach($events as $event) {
2792 // hide the associated grade items so the teacher doesn't also have to go to the gradebook and hide them there
2793 $grade_items = grade_item::fetch_all(array('itemtype'=>'mod', 'itemmodule'=>$modulename, 'iteminstance'=>$cm->instance, 'courseid'=>$cm->course));
2795 foreach ($grade_items as $grade_item) {
2796 $grade_item->set_hidden(!$visible);
2800 if ($prevstateoverrides) {
2801 if ($visible == '0') {
2802 // Remember the current visible state so we can toggle this back.
2803 $DB->set_field('course_modules', 'visibleold', $cm->visible, array('id'=>$id));
2805 // Get the previous saved visible states.
2806 return $DB->set_field('course_modules', 'visible', $cm->visibleold, array('id'=>$id));
2809 return $DB->set_field("course_modules", "visible", $visible, array("id"=>$id));
2813 * Delete a course module and any associated data at the course level (events)
2814 * Until 1.5 this function simply marked a deleted flag ... now it
2815 * deletes it completely.
2818 function delete_course_module($id) {
2820 require_once($CFG->libdir.'/gradelib.php');
2821 require_once($CFG->dirroot.'/blog/lib.php');
2823 if (!$cm = $DB->get_record('course_modules', array('id'=>$id))) {
2826 $modulename = $DB->get_field('modules', 'name', array('id'=>$cm->module));
2827 //delete events from calendar
2828 if ($events = $DB->get_records('event', array('instance'=>$cm->instance, 'modulename'=>$modulename))) {
2829 foreach($events as $event) {
2830 delete_event($event->id);
2833 //delete grade items, outcome items and grades attached to modules
2834 if ($grade_items = grade_item::fetch_all(array('itemtype'=>'mod', 'itemmodule'=>$modulename,
2835 'iteminstance'=>$cm->instance, 'courseid'=>$cm->course))) {
2836 foreach ($grade_items as $grade_item) {
2837 $grade_item->delete('moddelete');
2840 // Delete completion and availability data; it is better to do this even if the
2841 // features are not turned on, in case they were turned on previously (these will be
2842 // very quick on an empty table)
2843 $DB->delete_records('course_modules_completion', array('coursemoduleid' => $cm->id));
2844 $DB->delete_records('course_modules_availability', array('coursemoduleid'=> $cm->id));
2846 delete_context(CONTEXT_MODULE, $cm->id);
2847 return $DB->delete_records('course_modules', array('id'=>$cm->id));
2850 function delete_mod_from_section($mod, $section) {
2853 if ($section = $DB->get_record("course_sections", array("id"=>$section)) ) {
2855 $modarray = explode(",", $section->sequence);
2857 if ($key = array_keys ($modarray, $mod)) {
2858 array_splice($modarray, $key[0], 1);
2859 $newsequence = implode(",", $modarray);
2860 return $DB->set_field("course_sections", "sequence", $newsequence, array("id"=>$section->id));
2870 * Moves a section up or down by 1. CANNOT BE USED DIRECTLY BY AJAX!
2872 * @param object $course
2873 * @param int $section
2874 * @param int $move (-1 or 1)
2876 function move_section($course, $section, $move) {
2877 /// Moves a whole course section up and down within the course
2884 $sectiondest = $section + $move;
2886 if ($sectiondest > $course->numsections or $sectiondest < 1) {
2890 if (!$sectionrecord = $DB->get_record("course_sections", array("course"=>$course->id, "section"=>$section))) {
2894 if (!$sectiondestrecord = $DB->get_record("course_sections", array("course"=>$course->id, "section"=>$sectiondest))) {
2898 $DB->set_field("course_sections", "section", $sectiondest, array("id"=>$sectionrecord->id));
2899 $DB->set_field("course_sections", "section", $section, array("id"=>$sectiondestrecord->id));
2901 // if the focus is on the section that is being moved, then move the focus along
2902 if (course_get_display($course->id) == $section) {
2903 course_set_display($course->id, $sectiondest);
2906 // Check for duplicates and fix order if needed.
2907 // There is a very rare case that some sections in the same course have the same section id.
2908 $sections = $DB->get_records('course_sections', array('course'=>$course->id), 'section ASC');
2910 foreach ($sections as $section) {
2911 if ($section->section != $n) {
2912 $DB->set_field('course_sections', 'section', $n, array('id'=>$section->id));
2920 * Moves a section within a course, from a position to another.
2921 * Be very careful: $section and $destination refer to section number,
2924 * @param object $course
2925 * @param int $section Section number (not id!!!)
2926 * @param int $destination
2927 * @return boolean Result
2929 function move_section_to($course, $section, $destination) {
2930 /// Moves a whole course section up and down within the course
2933 if (!$destination && $destination != 0) {
2937 if ($destination > $course->numsections) {
2941 // Get all sections for this course and re-order them (2 of them should now share the same section number)
2942 if (!$sections = $DB->get_records_menu('course_sections', array('course' => $course->id),
2943 'section ASC, id ASC', 'id, section')) {
2947 $sections = reorder_sections($sections, $section, $destination);
2949 // Update all sections
2950 foreach ($sections as $id => $position) {
2951 $DB->set_field('course_sections', 'section', $position, array('id' => $id));
2954 // if the focus is on the section that is being moved, then move the focus along
2955 if (course_get_display($course->id) == $section) {
2956 course_set_display($course->id, $destination);
2962 * Reordering algorithm for course sections. Given an array of section->section indexed by section->id,
2963 * an original position number and a target position number, rebuilds the array so that the
2964 * move is made without any duplication of section positions.
2965 * Note: The target_position is the position AFTER WHICH the moved section will be inserted. If you want to
2966 * insert a section before the first one, you must give 0 as the target (section 0 can never be moved).
2968 * @param array $sections
2969 * @param int $origin_position
2970 * @param int $target_position
2973 function reorder_sections($sections, $origin_position, $target_position) {
2974 if (!is_array($sections)) {
2978 // We can't move section position 0
2979 if ($origin_position < 1) {
2980 echo "We can't move section position 0";
2984 // Locate origin section in sections array
2985 if (!$origin_key = array_search($origin_position, $sections)) {
2986 echo "searched position not in sections array";
2987 return false; // searched position not in sections array
2990 // Extract origin section
2991 $origin_section = $sections[$origin_key];
2992 unset($sections[$origin_key]);
2994 // Find offset of target position (stupid PHP's array_splice requires offset instead of key index!)
2996 $append_array = array();
2997 foreach ($sections as $id => $position) {
2999 $append_array[$id] = $position;
3000 unset($sections[$id]);
3002 if ($position == $target_position) {
3007 // Append moved section
3008 $sections[$origin_key] = $origin_section;
3010 // Append rest of array (if applicable)
3011 if (!empty($append_array)) {
3012 foreach ($append_array as $id => $position) {
3013 $sections[$id] = $position;
3017 // Renumber positions
3019 foreach ($sections as $id => $p) {
3020 $sections[$id] = $position;
3029 * Move the module object $mod to the specified $section
3030 * If $beforemod exists then that is the module
3031 * before which $modid should be inserted
3032 * All parameters are objects
3034 function moveto_module($mod, $section, $beforemod=NULL) {
3035 global $DB, $OUTPUT;
3037 /// Remove original module from original section
3038 if (! delete_mod_from_section($mod->id, $mod->section)) {
3039 echo $OUTPUT->notification("Could not delete module from existing section");
3042 /// Update module itself if necessary
3044 if ($mod->section != $section->id) {
3045 $mod->section = $section->id;
3046 $DB->update_record("course_modules", $mod);
3047 // if moving to a hidden section then hide module
3048 if (!$section->visible) {
3049 set_coursemodule_visible($mod->id, 0);
3053 /// Add the module into the new section
3055 $mod->course = $section->course;
3056 $mod->section = $section->section; // need relative reference
3057 $mod->coursemodule = $mod->id;
3059 if (! add_mod_to_section($mod, $beforemod)) {
3067 * Produces the editing buttons for a module
3069 * @global core_renderer $OUTPUT
3070 * @staticvar type $str
3071 * @param stdClass $mod The module to produce editing buttons for
3072 * @param bool $absolute_ignored ignored - all links are absolute
3073 * @param bool $moveselect If true a move seleciton process is used (default true)
3074 * @param int $indent The current indenting
3075 * @param int $section The section to link back to
3076 * @return string XHTML for the editing buttons
3078 function make_editing_buttons(stdClass $mod, $absolute_ignored = true, $moveselect = true, $indent=-1, $section=-1) {
3079 global $CFG, $OUTPUT;
3083 $coursecontext = get_context_instance(CONTEXT_COURSE, $mod->course);
3084 $modcontext = get_context_instance(CONTEXT_MODULE, $mod->id);
3086 $editcaps = array('moodle/course:manageactivities', 'moodle/course:activityvisibility', 'moodle/role:assign');
3087 $dupecaps = array('moodle/backup:backuptargetimport', 'moodle/restore:restoretargetimport');
3089 // no permission to edit anything
3090 if (!has_any_capability($editcaps, $modcontext) and !has_all_capabilities($dupecaps, $coursecontext)) {
3094 $hasmanageactivities = has_capability('moodle/course:manageactivities', $modcontext);
3097 $str = new stdClass;
3098 $str->assign = get_string("assignroles", 'role');
3099 $str->delete = get_string("delete");
3100 $str->move = get_string("move");
3101 $str->moveup = get_string("moveup");
3102 $str->movedown = get_string("movedown");
3103 $str->moveright = get_string("moveright");
3104 $str->moveleft = get_string("moveleft");
3105 $str->update = get_string("update");
3106 $str->duplicate = get_string("duplicate");
3107 $str->hide = get_string("hide");
3108 $str->show = get_string("show");
3109 $str->groupsnone = get_string('clicktochangeinbrackets', 'moodle', get_string("groupsnone"));
3110 $str->groupsseparate = get_string('clicktochangeinbrackets', 'moodle', get_string("groupsseparate"));
3111 $str->groupsvisible = get_string('clicktochangeinbrackets', 'moodle', get_string("groupsvisible"));
3112 $str->forcedgroupsnone = get_string('forcedmodeinbrackets', 'moodle', get_string("groupsnone"));
3113 $str->forcedgroupsseparate = get_string('forcedmodeinbrackets', 'moodle', get_string("groupsseparate"));
3114 $str->forcedgroupsvisible = get_string('forcedmodeinbrackets', 'moodle', get_string("groupsvisible"));
3117 $baseurl = new moodle_url('/course/mod.php', array('sesskey' => sesskey()));
3119 if ($section >= 0) {
3120 $baseurl->param('sr', $section);
3125 if ($hasmanageactivities) {
3126 if (right_to_left()) { // Exchange arrows on RTL
3127 $rightarrow = 't/left';
3128 $leftarrow = 't/right';
3130 $rightarrow = 't/right';
3131 $leftarrow = 't/left';
3135 $actions[] = new action_link(
3136 new moodle_url($baseurl, array('id' => $mod->id, 'indent' => '-1')),
3137 new pix_icon($leftarrow, $str->moveleft, 'moodle', array('class' => 'iconsmall')),
3139 array('class' => 'editing_moveleft', 'title' => $str->moveleft)
3143 $actions[] = new action_link(
3144 new moodle_url($baseurl, array('id' => $mod->id, 'indent' => '1')),
3145 new pix_icon($rightarrow, $str->moveright, 'moodle', array('class' => 'iconsmall')),
3147 array('class' => 'editing_moveright', 'title' => $str->moveright)
3153 if ($hasmanageactivities) {
3155 $actions[] = new action_link(
3156 new moodle_url($baseurl, array('copy' => $mod->id)),
3157 new pix_icon('t/move', $str->move, 'moodle', array('class' => 'iconsmall')),
3159 array('class' => 'editing_move', 'title' => $str->move)
3162 $actions[] = new action_link(
3163 new moodle_url($baseurl, array('id' => $mod->id, 'move' => '-1')),
3164 new pix_icon('t/up', $str->moveup, 'moodle', array('class' => 'iconsmall')),
3166 array('class' => 'editing_moveup', 'title' => $str->moveup)
3168 $actions[] = new action_link(
3169 new moodle_url($baseurl, array('id' => $mod->id, 'move' => '1')),
3170 new pix_icon('t/down', $str->movedown, 'moodle', array('class' => 'iconsmall')),
3172 array('class' => 'editing_movedown', 'title' => $str->movedown)
3178 if ($hasmanageactivities) {
3179 $actions[] = new action_link(
3180 new moodle_url($baseurl, array('update' => $mod->id)),
3181 new pix_icon('t/edit', $str->update, 'moodle', array('class' => 'iconsmall')),
3183 array('class' => 'editing_update', 'title' => $str->update)
3187 // Duplicate (require both target import caps to be able to duplicate, see modduplicate.php)
3188 if (has_all_capabilities($dupecaps, $coursecontext)) {
3189 $actions[] = new action_link(
3190 new moodle_url($baseurl, array('duplicate' => $mod->id)),
3191 new pix_icon('t/copy', $str->duplicate, 'moodle', array('class' => 'iconsmall')),
3193 array('class' => 'editing_duplicate', 'title' => $str->duplicate)
3198 if ($hasmanageactivities) {
3199 $actions[] = new action_link(
3200 new moodle_url($baseurl, array('delete' => $mod->id)),
3201 new pix_icon('t/delete', $str->delete, 'moodle', array('class' => 'iconsmall')),
3203 array('class' => 'editing_delete', 'title' => $str->delete)
3208 if (has_capability('moodle/course:activityvisibility', $modcontext)) {
3209 if ($mod->visible) {
3210 $actions[] = new action_link(
3211 new moodle_url($baseurl, array('hide' => $mod->id)),
3212 new pix_icon('t/hide', $str->hide, 'moodle', array('class' => 'iconsmall')),
3214 array('class' => 'editing_hide', 'title' => $str->hide)
3217 $actions[] = new action_link(
3218 new moodle_url($baseurl, array('show' => $mod->id)),
3219 new pix_icon('t/show', $str->show, 'moodle', array('class' => 'iconsmall')),
3221 array('class' => 'editing_show', 'title' => $str->show)
3227 if ($hasmanageactivities and $mod->groupmode !== false) {
3228 if ($mod->groupmode == SEPARATEGROUPS) {
3230 $grouptitle = $str->groupsseparate;
3231 $forcedgrouptitle = $str->forcedgroupsseparate;
3232 $groupclass = 'editing_groupsseparate';
3233 $groupimage = 't/groups';
3234 } else if ($mod->groupmode == VISIBLEGROUPS) {
3236 $grouptitle = $str->groupsvisible;
3237 $forcedgrouptitle = $str->forcedgroupsvisible;
3238 $groupclass = 'editing_groupsvisible';
3239 $groupimage = 't/groupv';
3242 $grouptitle = $str->groupsnone;
3243 $forcedgrouptitle = $str->forcedgroupsnone;
3244 $groupclass = 'editing_groupsnone';
3245 $groupimage = 't/groupn';
3247 if ($mod->groupmodelink) {
3248 $actions[] = new action_link(
3249 new moodle_url($baseurl, array('id' => $mod->id, 'groupmode' => $groupmode)),
3250 new pix_icon($groupimage, $grouptitle, 'moodle', array('class' => 'iconsmall')),
3252 array('class' => $groupclass, 'title' => $grouptitle)
3255 $actions[] = new pix_icon($groupimage, $forcedgrouptitle, 'moodle', array('title' => $forcedgrouptitle, 'class' => 'iconsmall'));
3260 if (has_capability('moodle/role:assign', $modcontext)){
3261 $actions[] = new action_link(
3262 new moodle_url('/'.$CFG->admin.'/roles/assign.php', array('contextid' => $modcontext->id)),
3263 new pix_icon('i/roles', $str->assign, 'moodle', array('class' => 'iconsmall')),
3265 array('class' => 'editing_assign', 'title' => $str->assign)
3269 $output = html_writer::start_tag('span', array('class' => 'commands'));
3270 foreach ($actions as $action) {
3271 if ($action instanceof renderable) {
3272 $output .= $OUTPUT->render($action);
3277 $output .= html_writer::end_tag('span');
3282 * given a course object with shortname & fullname, this function will
3283 * truncate the the number of chars allowed and add ... if it was too long
3285 function course_format_name ($course,$max=100) {
3287 $context = get_context_instance(CONTEXT_COURSE, $course->id);
3288 $shortname = format_string($course->shortname, true, array('context' => $context));
3289 $fullname = format_string($course->fullname, true, array('context' => get_context_instance(CONTEXT_COURSE, $course->id)));
3290 $str = $shortname.': '. $fullname;
3291 if (textlib::strlen($str) <= $max) {
3295 return textlib::substr($str,0,$max-3).'...';
3299 function update_restricted_mods($course, $mods) {
3302 /// Delete all the current restricted list
3303 $DB->delete_records('course_allowed_modules', array('course'=>$course->id));
3305 if (empty($course->restrictmodules)) {
3306 return; // We're done
3309 /// Insert the new list of restricted mods
3310 foreach ($mods as $mod) {
3312 continue; // this is the 'allow none' option
3314 $am = new stdClass();
3315 $am->course = $course->id;
3317 $DB->insert_record('course_allowed_modules',$am);
3322 * This function will take an int (module id) or a string (module name)
3323 * and return true or false, whether it's allowed in the given course (object)
3324 * $mod is not allowed to be an object, as the field for the module id is inconsistent
3325 * depending on where in the code it's called from (sometimes $mod->id, sometimes $mod->module)
3328 function course_allowed_module($course,$mod) {
3331 if (empty($course->restrictmodules)) {
3335 // Admins and admin-like people who can edit everything can also add anything.
3336 // Originally there was a course:update test only, but it did not match the test in course edit form
3337 if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
3341 if (is_numeric($mod)) {
3343 } else if (is_string($mod)) {
3344 $modid = $DB->get_field('modules', 'id', array('name'=>$mod));
3346 if (empty($modid)) {
3350 return $DB->record_exists('course_allowed_modules', array('course'=>$course->id, 'module'=>$modid));
3354 * Recursively delete category including all subcategories and courses.
3355 * @param stdClass $category
3356 * @param boolean $showfeedback display some notices
3357 * @return array return deleted courses
3359 function category_delete_full($category, $showfeedback=true) {
3361 require_once($CFG->libdir.'/gradelib.php');
3362 require_once($CFG->libdir.'/questionlib.php');
3363 require_once($CFG->dirroot.'/cohort/lib.php');
3365 if ($children = $DB->get_records('course_categories', array('parent'=>$category->id), 'sortorder ASC')) {
3366 foreach ($children as $childcat) {
3367 category_delete_full($childcat, $showfeedback);
3371 $deletedcourses = array();
3372 if ($courses = $DB->get_records('course', array('category'=>$category->id), 'sortorder ASC')) {
3373 foreach ($courses as $course) {
3374 if (!delete_course($course, false)) {
3375 throw new moodle_exception('cannotdeletecategorycourse','','',$course->shortname);
3377 $deletedcourses[] = $course;
3381 // move or delete cohorts in this context
3382 cohort_delete_category($category);
3384 // now delete anything that may depend on course category context
3385 grade_course_category_delete($category->id, 0, $showfeedback);
3386 if (!question_delete_course_category($category, 0, $showfeedback)) {
3387 throw new moodle_exception('cannotdeletecategoryquestions','','',$category->name);
3390 // finally delete the category and it's context
3391 $DB->delete_records('course_categories', array('id'=>$category->id));
3392 delete_context(CONTEXT_COURSECAT, $category->id);
3394 events_trigger('course_category_deleted', $category);
3396 return $deletedcourses;
3400 * Delete category, but move contents to another category.
3401 * @param object $ccategory
3402 * @param int $newparentid category id
3403 * @return bool status
3405 function category_delete_move($category, $newparentid, $showfeedback=true) {
3406 global $CFG, $DB, $OUTPUT;
3407 require_once($CFG->libdir.'/gradelib.php');
3408 require_once($CFG->libdir.'/questionlib.php');
3409 require_once($CFG->dirroot.'/cohort/lib.php');
3411 if (!$newparentcat = $DB->get_record('course_categories', array('id'=>$newparentid))) {
3415 if ($children = $DB->get_records('course_categories', array('parent'=>$category->id), 'sortorder ASC')) {
3416 foreach ($children as $childcat) {
3417 move_category($childcat, $newparentcat);
3421 if ($courses = $DB->get_records('course', array('category'=>$category->id), 'sortorder ASC', 'id')) {
3422 if (!move_courses(array_keys($courses), $newparentid)) {
3423 echo $OUTPUT->notification("Error moving courses");
3426 echo $OUTPUT->notification(get_string('coursesmovedout', '', format_string($category->name)), 'notifysuccess');
3429 // move or delete cohorts in this context
3430 cohort_delete_category($category);
3432 // now delete anything that may depend on course category context
3433 grade_course_category_delete($category->id, $newparentid, $showfeedback);
3434 if (!question_delete_course_category($category, $newparentcat, $showfeedback)) {
3435 echo $OUTPUT->notification(get_string('errordeletingquestionsfromcategory', 'question', $category), 'notifysuccess');
3439 // finally delete the category and it's context
3440 $DB->delete_records('course_categories', array('id'=>$category->id));
3441 delete_context(CONTEXT_COURSECAT, $category->id);
3443 events_trigger('course_category_deleted', $category);
3445 echo $OUTPUT->notification(get_string('coursecategorydeleted', '', format_string($category->name)), 'notifysuccess');
3451 * Efficiently moves many courses around while maintaining
3452 * sortorder in order.
3454 * @param array $courseids is an array of course ids
3455 * @param int $categoryid
3456 * @return bool success
3458 function move_courses($courseids, $categoryid) {
3459 global $CFG, $DB, $OUTPUT;
3461 if (empty($courseids)) {
3466 if (!$category = $DB->get_record('course_categories', array('id'=>$categoryid))) {
3470 $courseids = array_reverse($courseids);
3471 $newparent = get_context_instance(CONTEXT_COURSECAT, $category->id);
3474 foreach ($courseids as $courseid) {
3475 if ($course = $DB->get_record('course', array('id'=>$courseid), 'id, category')) {
3476 $course = new stdClass();
3477 $course->id = $courseid;
3478 $course->category = $category->id;
3479 $course->sortorder = $category->sortorder + MAX_COURSES_IN_CATEGORY - $i++;
3480 if ($category->visible == 0) {
3481 // hide the course when moving into hidden category,
3482 // do not update the visibleold flag - we want to get to previous state if somebody unhides the category
3483 $course->visible = 0;
3486 $DB->update_record('course', $course);
3488 $context = get_context_instance(CONTEXT_COURSE, $course->id);
3489 context_moved($context, $newparent);
3492 fix_course_sortorder();
3498 * Hide course category and child course and subcategories
3499 * @param stdClass $category
3502 function course_category_hide($category) {
3505 $category->visible = 0;
3506 $DB->set_field('course_categories', 'visible', 0, array('id'=>$category->id));
3507 $DB->set_field('course_categories', 'visibleold', 0, array('id'=>$category->id));
3508 $DB->execute("UPDATE {course} SET visibleold = visible WHERE category = ?", array($category->id)); // store visible flag so that we can return to it if we immediately unhide
3509 $DB->set_field('course', 'visible', 0, array('category' => $category->id));