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<?php // $Id$
// Library of useful functions
if (defined('COURSE_MAX_LOG_DISPLAY')) { // Being included again - should never happen!!
return;
}
define('COURSE_MAX_LOG_DISPLAY', 150); // days
define('COURSE_MAX_LOGS_PER_PAGE', 1000); // records
define('COURSE_LIVELOG_REFRESH', 60); // Seconds
define('COURSE_MAX_RECENT_PERIOD', 172800); // Two days, in seconds
define('COURSE_MAX_SUMMARIES_PER_PAGE', 10); // courses
define('COURSE_MAX_COURSES_PER_DROPDOWN',5000); // max courses in log dropdown before switching to optional
define('COURSE_MAX_USERS_PER_DROPDOWN',5000); // max users in log dropdown before switching to optional
define("FRONTPAGENEWS", 0);
define("FRONTPAGECOURSELIST", 1);
define("FRONTPAGECATEGORYNAMES", 2);
define("FRONTPAGETOPICONLY", 3);
function print_recent_selector_form($course, $advancedfilter=0, $selecteduser=0, $selecteddate="lastlogin",
$mod="", $modid="activity/All", $modaction="", $selectedgroup="", $selectedsort="default") {
global $USER, $CFG;
$isteacher = isteacher($course->id);
if ($advancedfilter) {
// Get all the possible users
$users = array();
if ($courseusers = get_course_users($course->id, '', '', 'u.id, u.firstname, u.lastname')) {
foreach ($courseusers as $courseuser) {
$users[$courseuser->id] = fullname($courseuser, $isteacher);
}
}
if ($guest = get_guest()) {
$users[$guest->id] = fullname($guest);
}
if (isadmin()) {
if ($ccc = get_records("course", "", "", "fullname")) {
foreach ($ccc as $cc) {
if ($cc->category) {
$courses["$cc->id"] = "$cc->fullname";
} else {
$courses["$cc->id"] = " $cc->fullname (Site)";
}
}
}
asort($courses);
}
$activities = array();
$selectedactivity = $modid;
if ($modinfo = unserialize($course->modinfo)) {
$section = 0;
if ($course->format == 'weeks') { // Body
$strsection = get_string("week");
} else {
$strsection = get_string("topic");
}
$activities["activity/All"] = "All activities";
$activities["activity/Assignments"] = "All assignments";
$activities["activity/Chats"] = "All chats";
$activities["activity/Forums"] = "All forums";
$activities["activity/Quizzes"] = "All quizzes";
$activities["activity/Workshops"] = "All workshops";
$activities["section/individual"] = "------------- Individual Activities --------------";
foreach ($modinfo as $mod) {
if ($mod->mod == "label") {
continue;
}
if (!$mod->visible and !$isteacher) {
continue;
}
if ($mod->section > 0 and $section <> $mod->section) {
$activities["section/$mod->section"] = "-------------- $strsection $mod->section --------------";
}
$section = $mod->section;
$mod->name = strip_tags(format_string(urldecode($mod->name),true));
if (strlen($mod->name) > 55) {
$mod->name = substr($mod->name, 0, 50)."...";
}
if (!$mod->visible) {
$mod->name = "(".$mod->name.")";
}
$activities["$mod->cm"] = $mod->name;
if ($mod->cm == $modid) {
$selectedactivity = "$mod->cm";
}
}
}
$strftimedate = get_string("strftimedate");
$strftimedaydate = get_string("strftimedaydate");
asort($users);
// Get all the possible dates
// Note that we are keeping track of real (GMT) time and user time
// User time is only used in displays - all calcs and passing is GMT
$timenow = time(); // GMT
// What day is it now for the user, and when is midnight that day (in GMT).
$timemidnight = $today = usergetmidnight($timenow);
$dates = array();
$dates["$USER->lastlogin"] = get_string("lastlogin").", ".userdate($USER->lastlogin, $strftimedate);
$dates["$timemidnight"] = get_string("today").", ".userdate($timenow, $strftimedate);
if (!$course->startdate or ($course->startdate > $timenow)) {
$course->startdate = $course->timecreated;
}
$numdates = 1;
while ($timemidnight > $course->startdate and $numdates < 365) {
$timemidnight = $timemidnight - 86400;
$timenow = $timenow - 86400;
$dates["$timemidnight"] = userdate($timenow, $strftimedaydate);
$numdates++;
}
if ($selecteddate == "lastlogin") {
$selecteddate = $USER->lastlogin;
}
echo '<form action="recent.php" method="get">';
echo '<input type="hidden" name="chooserecent" value="1" />';
echo "<center>";
echo "<table>";
if (isadmin()) {
echo "<tr><td><b>" . get_string("courses") . "</b></td><td>";
choose_from_menu ($courses, "id", $course->id, "");
echo "</td></tr>";
} else {
echo '<input type="hidden" name="id" value="'.$course->id.'" />';
}
$sortfields = array("default" => get_string("bycourseorder"),"dateasc" => get_string("datemostrecentlast"), "datedesc" => get_string("datemostrecentfirst"));
echo "<tr><td><b>" . get_string("participants") . "</b></td><td>";
choose_from_menu ($users, "user", $selecteduser, get_string("allparticipants") );
echo "</td>";
echo '<td align="right"><b>' . get_string("since") . '</b></td><td>';
choose_from_menu ($dates, "date", $selecteddate, get_string("alldays"));
echo "</td></tr>";
echo "<tr><td><b>" . get_string("activities") . "</b></td><td>";
choose_from_menu ($activities, "modid", $selectedactivity, "");
echo "</td>";
echo '<td align="right"><b>' . get_string("sortby") . "</b></td><td>";
choose_from_menu ($sortfields, "sortby", $selectedsort, "");
echo "</td></tr>";
echo '<tr>';
$groupmode = groupmode($course);
if ($groupmode == VISIBLEGROUPS or ($groupmode and isteacheredit($course->id))) {
if ($groups = get_records_menu("groups", "courseid", $course->id, "name ASC", "id,name")) {
echo '<td><b>';
if ($groupmode == VISIBLEGROUPS) {
print_string('groupsvisible');
} else {
print_string('groupsseparate');
}
echo ':</b></td><td>';
choose_from_menu($groups, "selectedgroup", $selectedgroup, get_string("allgroups"), "", "");
echo '</td>';
}
}
echo '<td colspan="2" align="right">';
echo '<input type="submit" value="'.get_string('showrecent').'" />';
echo "</td></tr>";
echo "</table>";
$advancedlink = "<a href=\"$CFG->wwwroot/course/recent.php?id=$course->id&amp;advancedfilter=0\">" . get_string("normalfilter") . "</a>";
print_heading($advancedlink);
echo "</center>";
echo "</form>";
} else {
$day_list = array("1","7","14","21","30");
$strsince = get_string("since");
$strlastlogin = get_string("lastlogin");
$strday = get_string("day");
$strdays = get_string("days");
$heading = "";
foreach ($day_list as $count) {
if ($count == "1") {
$day = $strday;
} else {
$day = $strdays;
}
$tmpdate = time() - ($count * 3600 * 24);
$heading = $heading .
"<a href=\"$CFG->wwwroot/course/recent.php?id=$course->id&amp;date=$tmpdate\"> $count $day</a> | ";
}
$heading = $strsince . ": <a href=\"$CFG->wwwroot/course/recent.php?id=$course->id\">$strlastlogin</a>" . " | " . $heading;
print_heading($heading);
$advancedlink = "<a href=\"$CFG->wwwroot/course/recent.php?id=$course->id&amp;advancedfilter=1\">" . get_string("advancedfilter") . "</a>";
print_heading($advancedlink);
}
}
function print_log_selector_form($course, $selecteduser=0, $selecteddate="today",
$modname="", $modid=0, $modaction="", $selectedgroup=-1,$showcourses=0,$showusers=0) {
global $USER, $CFG;
// first check to see if we can override showcourses and showusers
$numcourses = count_records_select("course", "", "COUNT(id)");
if ($numcourses < COURSE_MAX_COURSES_PER_DROPDOWN && !$showcourses) {
$showcourses = 1;
}
if ($course->category && $selectedgroup) {
$sql = 'SELECT COUNT(ut.id) '.
'FROM '.$CFG->prefix.'groups_members gm '.
' JOIN '.$CFG->prefix.'user_teachers ut ON gm.userid=ut.userid '.
'WHERE ut.course='.$course->id.' AND gm.groupid='.$selectedgroup;
$numteachers = count_records_sql($sql);
// students
$sql = 'SELECT COUNT(us.id) '.
'FROM '.$CFG->prefix.'groups_members gm '.
' JOIN '.$CFG->prefix.'user_students us ON gm.userid=us.userid '.
'WHERE us.course='.$course->id.' AND gm.groupid='.$selectedgroup;
$numstudents = count_records_sql($sql);
// add
$numusers = $numstudents + $numteachers;
}
else if ($course->category || !$CFG->allusersaresitestudents) {
$sql = "SELECT COUNT(t.id) FROM {$CFG->prefix}user_teachers t
WHERE t.course = '$course->id'";
$numusers = count_records_sql($sql);
$sql = "SELECT count(s.id) FROM {$CFG->prefix}user_students s
WHERE s.course = '$course->id'";
$numusers = $numusers + count_records_sql($sql);
}
else if (!$course->category && $CFG->allusersaresitestudents) {
$numusers = get_users(false, '', true,'','','','',0,9999,'id');
}
if ($numusers < COURSE_MAX_USERS_PER_DROPDOWN && !$showusers) {
$showusers = 1;
}
/// Setup for group handling.
$isteacher = isteacher($course->id);
$isteacheredit = isteacheredit($course->id);
if ($course->groupmode == SEPARATEGROUPS and !$isteacheredit) {
$selectedgroup = get_current_group($course->id);
$showgroups = false;
}
else if ($course->groupmode) {
$selectedgroup = ($selectedgroup == -1) ? get_current_group($course->id) : $selectedgroup;
$showgroups = true;
}
else {
$selectedgroup = 0;
$showgroups = false;
}
// Get all the possible users
$users = array();
if ($showusers) {
if ($course->category) {
if ($selectedgroup) { // If using a group, only get users in that group.
$courseusers = get_group_users($selectedgroup, 'u.lastname ASC', '', 'u.id, u.firstname, u.lastname');
} else {
$courseusers = get_course_users($course->id, '', '', 'u.id, u.firstname, u.lastname');
}
} else {
$courseusers = get_site_users("u.lastaccess DESC", "u.id, u.firstname, u.lastname");
}
if ($courseusers) {
foreach ($courseusers as $courseuser) {
$users[$courseuser->id] = fullname($courseuser, $isteacher);
}
}
if ($guest = get_guest()) {
$users[$guest->id] = fullname($guest);
}
}
if (isadmin() && $showcourses) {
if ($ccc = get_records("course", "", "", "fullname","id,fullname,category")) {
foreach ($ccc as $cc) {
if ($cc->category) {
$courses["$cc->id"] = "$cc->fullname";
} else {
$courses["$cc->id"] = " $cc->fullname (Site)";
}
}
}
asort($courses);
}
$activities = array();
$selectedactivity = "";
if ($modinfo = unserialize($course->modinfo)) {
$section = 0;
if ($course->format == 'weeks') { // Bodgy
$strsection = get_string("week");
} else {
$strsection = get_string("topic");
}
foreach ($modinfo as $mod) {
if ($mod->mod == "label") {
continue;
}
if ($mod->section > 0 and $section <> $mod->section) {
$activities["section/$mod->section"] = "-------------- $strsection $mod->section --------------";
}
$section = $mod->section;
$mod->name = strip_tags(format_string(urldecode($mod->name),true));
if (strlen($mod->name) > 55) {
$mod->name = substr($mod->name, 0, 50)."...";
}
if (!$mod->visible) {
$mod->name = "(".$mod->name.")";
}
$activities["$mod->cm"] = $mod->name;
if ($mod->cm == $modid) {
$selectedactivity = "$mod->cm";
}
}
}
if (isadmin() && !$course->category) {
$activities["site_errors"] = get_string("siteerrors");
if ($modid === "site_errors") {
$selectedactivity = "site_errors";
}
}
$strftimedate = get_string("strftimedate");
$strftimedaydate = get_string("strftimedaydate");
asort($users);
// Get all the possible dates
// Note that we are keeping track of real (GMT) time and user time
// User time is only used in displays - all calcs and passing is GMT
$timenow = time(); // GMT
// What day is it now for the user, and when is midnight that day (in GMT).
$timemidnight = $today = usergetmidnight($timenow);
// Put today up the top of the list
$dates = array("$timemidnight" => get_string("today").", ".userdate($timenow, $strftimedate) );
if (!$course->startdate or ($course->startdate > $timenow)) {
$course->startdate = $course->timecreated;
}
$numdates = 1;
while ($timemidnight > $course->startdate and $numdates < 365) {
$timemidnight = $timemidnight - 86400;
$timenow = $timenow - 86400;
$dates["$timemidnight"] = userdate($timenow, $strftimedaydate);
$numdates++;
}
if ($selecteddate == "today") {
$selecteddate = $today;
}
echo '<center>';
echo '<form action="log.php" method="get">';
echo '<input type="hidden" name="chooselog" value="1" />';
echo '<input type="hidden" name="showusers" value="'.$showusers.'" />';
echo '<input type="hidden" name="showcourses" value="'.$showcourses.'" />';
if (isadmin() && $showcourses) {
choose_from_menu ($courses, "id", $course->id, "");
} else {
// echo '<input type="hidden" name="id" value="'.$course->id.'" />';
$courses = array();
$courses[$course->id] = $course->fullname . ((empty($course->category)) ? ' (Site) ' : '');
choose_from_menu($courses,"id",$course->id,false);
if (isadmin()) {
$a->url = "log.php?chooselog=0&group=$selectedgroup&user=$selecteduser"
."&id=$course->id&date=$selecteddate&modid=$selectedactivity&showcourses=1&showusers=$showusers";
print_string('logtoomanycourses','moodle',$a);
}
}
if ($showgroups) {
if ($cgroups = get_groups($course->id)) {
foreach ($cgroups as $cgroup) {
$groups[$cgroup->id] = $cgroup->name;
}
}
else {
$groups = array();
}
choose_from_menu ($groups, "group", $selectedgroup, get_string("allgroups") );
}
if ($showusers) {
choose_from_menu ($users, "user", $selecteduser, get_string("allparticipants") );
}
else {
$users = array();
if (!empty($selecteduser)) {
$user = get_record('user','id',$selecteduser);
$users[$selecteduser] = fullname($user);
}
else {
$users[0] = get_string('allparticipants');
}
choose_from_menu($users,'user',$selecteduser,false);
$a->url = "log.php?chooselog=0&group=$selectedgroup&user=$selecteduser"
."&id=$course->id&date=$selecteddate&modid=$selectedactivity&showusers=1&showcourses=$showcourses";
print_string('logtoomanyusers','moodle',$a);
}
choose_from_menu ($dates, "date", $selecteddate, get_string("alldays"));
choose_from_menu ($activities, "modid", $selectedactivity, get_string("allactivities"), "", "");
echo '<input type="submit" value="'.get_string('showtheselogs').'" />';
echo "</form>";
echo "</center>";
}
function make_log_url($module, $url) {
switch ($module) {
case "user":
case "course":
case "file":
case "login":
case "lib":
case "admin":
case "message":
case "calendar":
return "/$module/$url";
break;
case "upload":
return "$url";
break;
case "library":
case "":
return "/";
break;
default:
return "/mod/$module/$url";
break;
}
}
function print_log($course, $user=0, $date=0, $order="l.time ASC", $page=0, $perpage=100,
$url="", $modname="", $modid=0, $modaction="", $groupid=0) {
// It is assumed that $date is the GMT time of midnight for that day,
// and so the next 86400 seconds worth of logs are printed.
global $CFG, $db;
/// Setup for group handling.
$isteacher = isteacher($course->id);
$isteacheredit = isteacheredit($course->id);
/// If the group mode is separate, and this user does not have editing privileges,
/// then only the user's group can be viewed.
if ($course->groupmode == SEPARATEGROUPS and !$isteacheredit) {
$groupid = get_current_group($course->id);
}
/// If this course doesn't have groups, no groupid can be specified.
else if (!$course->groupmode) {
$groupid = 0;
}
$joins = array();
if ($course->category) {
$joins[] = "l.course='$course->id'";
} else {
$courses[0] = '';
if ($ccc = get_courses("all", "c.id ASC", "c.id,c.shortname")) {
foreach ($ccc as $cc) {
$courses[$cc->id] = "$cc->shortname";
}
}
}
if ($modname) {
$joins[] = "l.module = '$modname'";
}
if ('site_errors' === $modid) {
$joins[] = "( l.action='error' OR l.action='infected' )";
} else if ($modid) {
$joins[] = "l.cmid = '$modid'";
}
if ($modaction) {
$joins[] = "l.action = '$modaction'";
}
/// Getting all members of a group.
if ($groupid and !$user) {
if ($gusers = get_records('groups_members', 'groupid', $groupid)) {
$first = true;
foreach($gusers as $guser) {
if ($first) {
$gselect = '(l.userid='.$guser->userid;
$first = false;
}
else {
$gselect .= ' OR l.userid='.$guser->userid;
}
}
if (!$first) $gselect .= ')';
$joins[] = $gselect;
}
}
else if ($user) {
$joins[] = "l.userid = '$user'";
}
if ($date) {
$enddate = $date + 86400;
$joins[] = "l.time > '$date' AND l.time < '$enddate'";
}
$selector = '';
for ($i = 0; $i < count($joins); $i++) {
$selector .= $joins[$i] . (($i == count($joins)-1) ? " " : " AND ");
}
$totalcount = 0; // Initialise
if (!$logs = get_logs($selector, $order, $page*$perpage, $perpage, $totalcount)) {
notify("No logs found!");
print_footer($course);
exit;
}
$count=0;
$ldcache = array();
$tt = getdate(time());
$today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
$strftimedatetime = get_string("strftimedatetime");
$isteacher = isteacher($course->id);
echo '<p align="center">';
print_string("displayingrecords", "", $totalcount);
echo "</p>";
print_paging_bar($totalcount, $page, $perpage, "$url&amp;perpage=$perpage&amp;");
echo '<table border="0" align="center" cellpadding="3" cellspacing="3">';
foreach ($logs as $log) {
if (isset($ldcache[$log->module][$log->action])) {
$ld = $ldcache[$log->module][$log->action];
} else {
$ld = get_record('log_display', 'module', $log->module, "action", $log->action);
$ldcache[$log->module][$log->action] = $ld;
}
if ($ld && !empty($log->info)) {
// ugly hack to make sure fullname is shown correctly
if (($ld->mtable == 'user') and ($ld->field == 'CONCAT(firstname," ",lastname)')) {
$log->info = fullname(get_record($ld->mtable, 'id', $log->info), true);
} else {
$log->info = get_field($ld->mtable, $ld->field, 'id', $log->info);
}
}
//Filter log->info
$log->info = format_string($log->info);
$log->url = strip_tags(urldecode($log->url)); // Some XSS protection
$log->info = strip_tags(urldecode($log->info)); // Some XSS protection
$log->url = str_replace('&', '&amp;', $log->url); /// XHTML compatibility
echo '<tr>';
if (! $course->category) {
echo '<td nowrap="nowrap"><font size="2"><a href="view.php?id='.$log->course.'">'.$courses[$log->course].'</a></font></td>';
}
echo '<td nowrap="nowrap" align="right"><font size="2">'.userdate($log->time, '%a').'</font></td>';
echo '<td nowrap="nowrap"><font size="2">'.userdate($log->time, $strftimedatetime).'</font></td>';
echo '<td nowrap="nowrap"><font size="2">';
link_to_popup_window("/lib/ipatlas/plot.php?address=$log->ip&amp;user=$log->userid", 'ipatlas',$log->ip, 400, 700);
echo '</font></td>';
$fullname = fullname($log, $isteacher);
echo '<td nowrap="nowrap"><font size="2"><a href="../user/view.php?id='."$log->userid&amp;course=$log->course".'"><b>'.$fullname.'</b></a></font></td>';
echo '<td nowrap="nowrap"><font size="2">';
link_to_popup_window( make_log_url($log->module,$log->url), 'fromloglive',"$log->module $log->action", 400, 600);
echo '</font></td>';
echo '<td nowrap="nowrap"><font size="2">'.$log->info.'</font></td>';
echo '</tr>';
}
echo '</table>';
print_paging_bar($totalcount, $page, $perpage, "$url&amp;perpage=$perpage&amp;");
}
function print_log_graph($course, $userid=0, $type="course.png", $date=0) {
global $CFG;
if (empty($CFG->gdversion)) {
echo "(".get_string("gdneed").")";
} else {
echo '<img src="'.$CFG->wwwroot.'/course/loggraph.php?id='.$course->id.
'&amp;user='.$userid.'&amp;type='.$type.'&amp;date='.$date.'" alt="" />';
}
}
function print_recent_activity($course) {
// $course is an object
// This function trawls through the logs looking for
// anything new since the user's last login
global $CFG, $USER, $SESSION;
$isteacher = isteacher($course->id);
$timestart = time() - COURSE_MAX_RECENT_PERIOD;
if (!empty($USER->timeaccess[$course->id])) {
if ($USER->timeaccess[$course->id] > $timestart) {
$timestart = $USER->timeaccess[$course->id];
}
}
echo '<div class="activitydate">';
echo get_string('activitysince', '', userdate($timestart));
echo '</div>';
echo '<div class="activityhead">';
echo '<a href="'.$CFG->wwwroot.'/course/recent.php?id='.$course->id.'">'.get_string('recentactivityreport').'</a>';
echo '</div>';
// Firstly, have there been any new enrolments?
$heading = false;
$content = false;
$users = get_recent_enrolments($course->id, $timestart);
if ($users) {
echo '<div class="newusers">';
foreach ($users as $user) {
if (! $heading) {
print_headline(get_string("newusers").':', 3);
$heading = true;
$content = true;
}
$fullname = fullname($user, $isteacher);
echo '<span class="name"><a href="'.$CFG->wwwroot."/user/view.php?id=$user->id&amp;course=$course->id\">$fullname</a></span><br />";
}
echo '</div>';
}
// Next, have there been any modifications to the course structure?
$logs = get_records_select('log', "time > '$timestart' AND course = '$course->id' AND
module = 'course' AND action LIKE '% mod'", "time ASC");
if ($logs) {
foreach ($logs as $key => $log) {
$info = split(' ', $log->info);
if ($info[0] == 'label') { // Labels are special activities
continue;
}
$modname = get_field($info[0], 'name', 'id', $info[1]);
//Create a temp valid module structure (course,id)
$tempmod->course = $log->course;
$tempmod->id = $info[1];
//Obtain the visible property from the instance
$modvisible = instance_is_visible($info[0],$tempmod);
//Only if the mod is visible
if ($modvisible) {
switch ($log->action) {
case 'add mod':
$stradded = get_string('added', 'moodle', get_string('modulename', $info[0]));
$changelist[$log->info] = array ('operation' => 'add', 'text' => "$stradded:<br /><a href=\"$CFG->wwwroot/course/$log->url\">".format_string($modname,true)."</a>");
break;
case 'update mod':
$strupdated = get_string('updated', 'moodle', get_string('modulename', $info[0]));
if (empty($changelist[$log->info])) {
$changelist[$log->info] = array ('operation' => 'update', 'text' => "$strupdated:<br /><a href=\"$CFG->wwwroot/course/$log->url\">".format_string($modname,true)."</a>");
}
break;
case 'delete mod':
if (!empty($changelist[$log->info]['operation']) and
$changelist[$log->info]['operation'] == 'add') {
$changelist[$log->info] = NULL;
} else {
$strdeleted = get_string('deletedactivity', 'moodle', get_string('modulename', $info[0]));
$changelist[$log->info] = array ('operation' => 'delete', 'text' => $strdeleted);
}
break;
}
}
}
}
if (!empty($changelist)) {
foreach ($changelist as $changeinfo => $change) {
if ($change) {
$changes[$changeinfo] = $change;
}
}
if (isset($changes)){
if (count($changes) > 0) {
print_headline(get_string('courseupdates').':', 3);
$content = true;
foreach ($changes as $changeinfo => $change) {
echo '<p class="activity">'.$change['text'].'</p>';
}
}
}
}
// Now display new things from each module
$mods = get_records('modules', 'visible', '1', 'name', 'id, name');
foreach ($mods as $mod) { // Each module gets it's own logs and prints them
include_once($CFG->dirroot.'/mod/'.$mod->name.'/lib.php');
$print_recent_activity = $mod->name.'_print_recent_activity';
if (function_exists($print_recent_activity)) {
$modcontent = $print_recent_activity($course, $isteacher, $timestart);
if ($modcontent) {
$content = true;
}
}
}
if (! $content) {
echo '<p class="message">'.get_string('nothingnew').'</p>';
}
}
function get_array_of_activities($courseid) {
// For a given course, returns an array of course activity objects
// Each item in the array contains he following properties:
// cm - course module id
// mod - name of the module (eg forum)
// section - the number of the section (eg week or topic)
// name - the name of the instance
// visible - is the instance visible or not
// extra - contains extra string to include in any link
global $CFG;
$mod = array();
if (!$rawmods = get_course_mods($courseid)) {
return NULL;
}
if ($sections = get_records("course_sections", "course", $courseid, "section ASC")) {
foreach ($sections as $section) {
if (!empty($section->sequence)) {
$sequence = explode(",", $section->sequence);
foreach ($sequence as $seq) {
if (empty($rawmods[$seq])) {
continue;
}
$mod[$seq]->cm = $rawmods[$seq]->id;
$mod[$seq]->mod = $rawmods[$seq]->modname;
$mod[$seq]->section = $section->section;
$mod[$seq]->name = urlencode(get_field($rawmods[$seq]->modname, "name", "id", $rawmods[$seq]->instance));
$mod[$seq]->visible = $rawmods[$seq]->visible;
$mod[$seq]->extra = "";
$modname = $mod[$seq]->mod;
$functionname = $modname."_get_coursemodule_info";
include_once("$CFG->dirroot/mod/$modname/lib.php");
if (function_exists($functionname)) {
if ($info = $functionname($rawmods[$seq])) {
if (!empty($info->extra)) {
$mod[$seq]->extra = $info->extra;
}
if (!empty($info->icon)) {
$mod[$seq]->icon = $info->icon;
}
}
}
}
}
}
}
return $mod;
}
function get_all_mods($courseid, &$mods, &$modnames, &$modnamesplural, &$modnamesused) {
// Returns a number of useful structures for course displays
$mods = NULL; // course modules indexed by id
$modnames = NULL; // all course module names (except resource!)
$modnamesplural= NULL; // all course module names (plural form)
$modnamesused = NULL; // course module names used
if ($allmods = get_records("modules")) {
foreach ($allmods as $mod) {
if ($mod->visible) {
$modnames[$mod->name] = get_string("modulename", "$mod->name");
$modnamesplural[$mod->name] = get_string("modulenameplural", "$mod->name");
}
}
asort($modnames);
} else {
error("No modules are installed!");
}
if ($rawmods = get_course_mods($courseid)) {
foreach($rawmods as $mod) { // Index the mods
if (empty($modnames[$mod->modname])) {
continue;
}
$mods[$mod->id] = $mod;
$mods[$mod->id]->modfullname = $modnames[$mod->modname];
if ($mod->visible or isteacher($courseid)) {
$modnamesused[$mod->modname] = $modnames[$mod->modname];
}
}
if ($modnamesused) {
asort($modnamesused);
}
}
unset($modnames['resource']);
unset($modnames['label']);
}
function get_all_sections($courseid) {
return get_records("course_sections", "course", "$courseid", "section",
"section, id, course, summary, sequence, visible");
}
function course_set_display($courseid, $display=0) {
global $USER;
if (empty($USER->id)) {
return false;
}
if ($display == "all" or empty($display)) {
$display = 0;
}
if (record_exists("course_display", "userid", $USER->id, "course", $courseid)) {
set_field("course_display", "display", $display, "userid", $USER->id, "course", $courseid);
} else {
$record->userid = $USER->id;
$record->course = $courseid;
$record->display = $display;
if (!insert_record("course_display", $record)) {
notify("Could not save your course display!");
}
}
return $USER->display[$courseid] = $display; // Note: = not ==
}
function set_section_visible($courseid, $sectionnumber, $visibility) {
/// For a given course section, markes it visible or hidden,
/// and does the same for every activity in that section
if ($section = get_record("course_sections", "course", $courseid, "section", $sectionnumber)) {
set_field("course_sections", "visible", "$visibility", "id", $section->id);
if (!empty($section->sequence)) {
$modules = explode(",", $section->sequence);
foreach ($modules as $moduleid) {
set_coursemodule_visible($moduleid, $visibility);
}
}
rebuild_course_cache($courseid);
}
}
function print_section($course, $section, $mods, $modnamesused, $absolute=false, $width="100%") {
/// Prints a section full of activity modules
global $CFG, $USER;
static $groupbuttons;
static $groupbuttonslink;
static $isteacher;
static $isediting;
static $ismoving;
static $strmovehere;
static $strmovefull;
static $strunreadpostsone;
static $untracked;
$labelformatoptions = New stdClass;
if (!isset($isteacher)) {
$groupbuttons = ($course->groupmode or (!$course->groupmodeforce));
$groupbuttonslink = (!$course->groupmodeforce);
$isteacher = isteacher($course->id);
$isediting = isediting($course->id);
$ismoving = $isediting && ismoving($course->id);
if ($ismoving) {
$strmovehere = get_string("movehere");
$strmovefull = strip_tags(get_string("movefull", "", "'$USER->activitycopyname'"));
}
$strunreadpostsone = get_string('unreadpostsone', 'forum');
}
$labelformatoptions->noclean = true;
$modinfo = unserialize($course->modinfo);
if ($CFG->forum_trackreadposts) {
include_once($CFG->dirroot.'/mod/forum/lib.php');
if (empty($untracked)) {
$untracked = forum_tp_get_untracked_forums($USER->id);
}
}
echo '<table width="'.$width.'" class="section">';
if (!empty($section->sequence)) {
$sectionmods = explode(",", $section->sequence);
foreach ($sectionmods as $modnumber) {
if (empty($mods[$modnumber])) {
continue;
}
$mod = $mods[$modnumber];
if ($mod->visible or $isteacher) {
echo '<tr><td class="activity '.$mod->modname.'">';
if ($ismoving) {
if ($mod->id == $USER->activitycopy) {
continue;
}
echo '<a title="'.$strmovefull.'"'.
' href="'.$CFG->wwwroot.'/course/mod.php?moveto='.$mod->id.'&amp;sesskey='.$USER->sesskey.'">'.
'<img class="movetarget" src="'.$CFG->pixpath.'/movehere.gif" '.
' alt="'.$strmovehere.'" /></a><br />
';
}
$instancename = urldecode($modinfo[$modnumber]->name);
$instancename = format_string($instancename, true, $course->id);
if (!empty($modinfo[$modnumber]->extra)) {
$extra = urldecode($modinfo[$modnumber]->extra);
} else {
$extra = "";
}
if (!empty($modinfo[$modnumber]->icon)) {
$icon = "$CFG->pixpath/".urldecode($modinfo[$modnumber]->icon);
} else {
$icon = "$CFG->modpixpath/$mod->modname/icon.gif";
}
if ($mod->indent) {
print_spacer(12, 20 * $mod->indent, false);
}
if ($mod->modname == "label") {
if (!$mod->visible) {
echo "<span class=\"dimmed_text\">";
}
echo format_text($extra, FORMAT_HTML, $labelformatoptions);
if (!$mod->visible) {
echo "</span>";
}
} else { // Normal activity
$linkcss = $mod->visible ? "" : " class=\"dimmed\" ";
echo '<img src="'.$icon.'"'.
' class="activityicon" alt="'.$mod->modfullname.'" />'.
' <a title="'.$mod->modfullname.'" '.$linkcss.' '.$extra.
' href="'.$CFG->wwwroot.'/mod/'.$mod->modname.'/view.php?id='.$mod->id.'">'.
$instancename.'</a>';
}
if ($CFG->forum_trackreadposts && $mod->modname == 'forum') {
$groupmode = groupmode($course, $mod);
$groupid = ($groupmode == SEPARATEGROUPS && !isteacheredit($course->id)) ?
get_current_group($course->id) : false;
if (!isset($untracked[$mod->instance])) {
$unread = forum_tp_count_forum_unread_posts($USER->id, $mod->instance, $groupid);
if ($unread) {
echo '<span class="unread"> <a href="'.$CFG->wwwroot.'/mod/forum/view.php?id='.$mod->id.'">';
if ($unread == 1) {
echo $strunreadpostsone;
} else {
print_string('unreadpostsnumber', 'forum', $unread);
}
echo '</a> </span>';
}
}
}
if ($isediting) {
if ($groupbuttons and $mod->modname != 'label' and $mod->modname != 'resource') {
if (! $mod->groupmodelink = $groupbuttonslink) {
$mod->groupmode = $course->groupmode;
}
} else {
$mod->groupmode = false;
}
echo '&nbsp;&nbsp;';
echo make_editing_buttons($mod, $absolute, true, $mod->indent, $section->section);
}
echo "</td>";
echo "</tr>";
}
}
} else {
echo "<tr><td></td></tr>"; // needed for XHTML compatibility
}
if ($ismoving) {
echo '<tr><td><a title="'.$strmovefull.'"'.
' href="'.$CFG->wwwroot.'/course/mod.php?movetosection='.$section->id.'&amp;sesskey='.$USER->sesskey.'">'.
'<img class="movetarget" src="'.$CFG->pixpath.'/movehere.gif" '.
' alt="'.$strmovehere.'" /></a></td></tr>
';
}
echo "</table>\n\n";
}
function print_section_add_menus($course, $section, $modnames, $vertical=false, $return=false) {
// Prints the menus to add activities and resources
global $CFG, $USER;
static $straddactivity, $stractivities, $straddresource, $resources;
if (!isset($straddactivity)) {
$straddactivity = get_string('addactivity');
$straddresource = get_string('addresource');
/// Standard resource types
require_once("$CFG->dirroot/mod/resource/lib.php");
$resourceraw = resource_get_resource_types();
foreach ($resourceraw as $type => $name) {
$resources["resource&amp;type=$type"] = $name;
}
$resources['label'] = get_string('resourcetypelabel', 'resource');
}
$output = '';
$output .= '<div align="right"><table align="right"><tr><td>';
$output .= popup_form("$CFG->wwwroot/course/mod.php?id=$course->id&amp;section=$section&amp;sesskey=$USER->sesskey&amp;add=",
$resources, "ressection$section", "", $straddresource, 'resource/types', $straddresource, true);
$output .= '</td>';
if ($vertical) {
$output .= '</tr><tr>';
}
$output .= '<td>';
$output .= popup_form("$CFG->wwwroot/course/mod.php?id=$course->id&amp;section=$section&amp;sesskey=$USER->sesskey&amp;add=",
$modnames, "section$section", "", $straddactivity, 'mods', $straddactivity, true);
$output .= '</td></tr></table>';
$output .= '</div>';
if ($return) {
return $output;
} else {
echo $output;
}
}
function rebuild_course_cache($courseid=0) {
// Rebuilds the cached list of course activities stored in the database
// If a courseid is not specified, then all are rebuilt
if ($courseid) {
$select = "id = '$courseid'";
} else {
$select = "";
}
if ($courses = get_records_select("course", $select,'','id,fullname')) {
foreach ($courses as $course) {
$modinfo = serialize(get_array_of_activities($course->id));
if (!set_field("course", "modinfo", $modinfo, "id", $course->id)) {
notify("Could not cache module information for course '$course->fullname'!");
}
}
}
}
function make_categories_list(&$list, &$parents, $category=NULL, $path="") {
/// Given an empty array, this function recursively travels the
/// categories, building up a nice list for display. It also makes
/// an array that list all the parents for each category.
if ($category) {
if ($path) {
$path = $path.' / '.$category->name;
} else {
$path = $category->name;
}
$list[$category->id] = $path;
} else {
$category->id = 0;
}
if ($categories = get_categories($category->id)) { // Print all the children recursively
foreach ($categories as $cat) {
if (!empty($category->id)) {
if (isset($parents[$category->id])) {
$parents[$cat->id] = $parents[$category->id];
}
$parents[$cat->id][] = $category->id;
}
make_categories_list($list, $parents, $cat, $path);
}
}
}
function print_whole_category_list($category=NULL, $displaylist=NULL, $parentslist=NULL, $depth=-1) {
/// Recursive function to print out all the categories in a nice format
/// with or without courses included
global $CFG;
if (isset($CFG->max_category_depth) && ($depth >= $CFG->max_category_depth)) {
return;
}
if (!$displaylist) {
make_categories_list($displaylist, $parentslist);
}
if ($category) {
if ($category->visible or iscreator()) {
print_category_info($category, $depth);
} else {
return; // Don't bother printing children of invisible categories
}
} else {
$category->id = "0";
}
if ($categories = get_categories($category->id)) { // Print all the children recursively
$countcats = count($categories);
$count = 0;
$first = true;
$last = false;
foreach ($categories as $cat) {
$count++;
if ($count == $countcats) {
$last = true;
}
$up = $first ? false : true;
$down = $last ? false : true;
$first = false;
print_whole_category_list($cat, $displaylist, $parentslist, $depth + 1);
}
}
}
function print_category_info($category, $depth) {
/// Prints the category info in indented fashion
/// This function is only used by print_whole_category_list() above
global $CFG;
static $strallowguests, $strrequireskey, $strsummary;
if (empty($strsummary)) {
$strallowguests = get_string('allowguests');
$strrequireskey = get_string('requireskey');
$strsummary = get_string('summary');
}
$catlinkcss = $category->visible ? '' : ' class="dimmed" ';
if ($CFG->frontpage == FRONTPAGECOURSELIST) {
$catimage = '<img src="'.$CFG->pixpath.'/i/course.gif" width="16" height="16" border="0" alt="" />';
} else {
$catimage = "&nbsp";
}
echo "\n\n".'<table border="0" cellpadding="3" cellspacing="0" width="100%">';
if ($CFG->frontpage == FRONTPAGECOURSELIST) {
$courses = get_courses($category->id, 'c.sortorder ASC', 'c.id,c.sortorder,c.visible,c.fullname,c.shortname,c.password,c.summary,c.guest');
echo "<tr>";
if ($depth) {
$indent = $depth*30;
$rows = count($courses) + 1;
echo '<td rowspan="'.$rows.'" valign="top" width="'.$indent.'">';
print_spacer(10, $indent);
echo '</td>';
}
echo '<td valign="top">'.$catimage.'</td>';
echo '<td valign="top" width="100%" class="category name">';
echo '<a '.$catlinkcss.' href="'.$CFG->wwwroot.'/course/category.php?id='.$category->id.'">'.$category->name.'</a>';
echo '</td>';
echo '<td class="category info">&nbsp;</td>';
echo '</tr>';
if ($courses && !(isset($CFG->max_category_depth)&&($depth>=$CFG->max_category_depth-1))) {
foreach ($courses as $course) {
$linkcss = $course->visible ? '' : ' class="dimmed" ';
echo '<tr><td valign="top" width="30">&nbsp;';
echo '</td><td valign="top" width="100%" class="course name">';
echo '<a '.$linkcss.' href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'.$course->fullname.'</a>';
echo '</td><td align="right" valign="top" nowrap="nowrap" class="course info">';
if ($course->guest ) {
echo '<a title="'.$strallowguests.'" href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">';
echo '<img hspace="1" alt="'.$strallowguests.'" height="16" width="16" border="0" src="'.$CFG->pixpath.'/i/guest.gif" /></a>';
} else {
echo '<img alt="" height="16" width="18" border="0" src="'.$CFG->pixpath.'/spacer.gif" />';
}
if ($course->password) {
echo '<a title="'.$strrequireskey.'" href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">';
echo '<img hspace="1" alt="'.$strrequireskey.'" height="16" width="16" border="0" src="'.$CFG->pixpath.'/i/key.gif" /></a>';
} else {
echo '<img alt="" height="16" width="18" border="0" src="'.$CFG->pixpath.'/spacer.gif" />';
}
if ($course->summary) {
link_to_popup_window ('/course/info.php?id='.$course->id, 'courseinfo',
'<img hspace="1" alt="'.$strsummary.'" height="16" width="16" border="0" src="'.$CFG->pixpath.'/i/info.gif" />',
400, 500, $strsummary);
} else {
echo '<img alt="" height="16" width="18" border="0" src="'.$CFG->pixpath.'/spacer.gif" />';
}
echo '</td></tr>';
}
}
} else {
if ($depth) {
$indent = $depth*20;
echo '<td valign="top" width="'.$indent.'">';
print_spacer(10, $indent);
echo '</td>';
}
echo '<td valign="top" width="100%" class="category name">';
echo '<a '.$catlinkcss.' href="'.$CFG->wwwroot.'/course/category.php?id='.$category->id.'">'.$category->name.'</a>';
echo '</td>';
echo '<td valign="top" class="category number">';
if ($category->coursecount) {
echo $category->coursecount;
}
echo '</td></tr>';
}
echo '</table>';
}
function print_courses($category, $width="100%") {
/// Category is 0 (for all courses) or an object
global $CFG;
if (empty($category)) {
$categories = get_categories(0); // Parent = 0 ie top-level categories only
if (count($categories) == 1) {
$category = array_shift($categories);
$courses = get_courses($category->id, 'c.sortorder ASC', 'c.id,c.sortorder,c.visible,c.fullname,c.shortname,c.password,c.summary,c.teacher');
} else {
$courses = get_courses('all', 'c.sortorder ASC', 'c.id,c.sortorder,c.visible,c.fullname,c.shortname,c.password,c.summary,c.teacher');
}
unset($categories);
} else {
$categories = get_categories($category->id); // sub categories
$courses = get_courses($category->id, 'c.sortorder ASC', 'c.id,c.sortorder,c.visible,c.fullname,c.shortname,c.password,c.summary,c.teacher');
}
if ($courses) {
foreach ($courses as $course) {
print_course($course, $width);
}
} else {
print_heading(get_string("nocoursesyet"));
}
}
function print_course($course, $width="100%") {
global $CFG;
static $enrol;
if (empty($enrol)) {
require_once("$CFG->dirroot/enrol/$CFG->enrol/enrol.php");
$enrol = new enrolment_plugin;
}
print_simple_box_start("center", "$width", '', 5, "coursebox");
$linkcss = $course->visible ? "" : " class=\"dimmed\" ";
echo "<table width=\"100%\">";
echo '<tr valign="top">';
echo '<td valign="top" width="50%" class="info">';
echo '<b><a title="'.get_string('entercourse').'"'.
$linkcss.' href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'.
$course->fullname.'</a></b><br />';
if ($teachers = get_course_teachers($course->id)) {
echo "<span class=\"teachers\">\n";
foreach ($teachers as $teacher) {
if ($teacher->authority > 0) {
if (!$teacher->role) {
$teacher->role = $course->teacher;
}
$fullname = fullname($teacher, isteacher($course->id)); // is the USER a teacher of that course
echo $teacher->role.': <a href="'.$CFG->wwwroot.'/user/view.php?id='.$teacher->id.
'&amp;course='.SITEID.'">'.$fullname.'</a><br />';
}
}
echo "</span>\n";
}
echo $enrol->get_access_icons($course);
echo '</td><td valign="top" width="50%" class="summary">';
$options = NULL;
$options->noclean = true;
$options->para = false;
echo format_text($course->summary, FORMAT_MOODLE, $options, $course->id);
echo "</td></tr>";
echo "</table>";
print_simple_box_end();
}
function print_my_moodle() {
/// Prints custom user information on the home page.
/// Over time this can include all sorts of information
global $USER, $CFG;
if (!isset($USER->id)) {
error("It shouldn't be possible to see My Moodle without being logged in.");
}
if ($courses = get_my_courses($USER->id)) {
foreach ($courses as $course) {
if (!$course->category) {
continue;
}
print_course($course, "100%");
}
if (count_records("course") > (count($courses) + 1) ) { // Some courses not being displayed
echo "<table width=\"100%\"><tr><td align=\"center\">";
print_course_search("", false, "short");
echo "</td><td align=\"center\">";
print_single_button("$CFG->wwwroot/course/index.php", NULL, get_string("fulllistofcourses"), "get");
echo "</td></tr></table>\n";
}
} else {
if (count_records("course_categories") > 1) {
print_simple_box_start("center", "100%", "#FFFFFF", 5, "categorybox");
print_whole_category_list();
print_simple_box_end();
} else {
print_courses(0, "100%");
}
}
}
function print_course_search($value="", $return=false, $format="plain") {
global $CFG;
$strsearchcourses= get_string("searchcourses");
if ($format == 'plain') {
$output = '<form name="coursesearch" action="'.$CFG->wwwroot.'/course/search.php" method="get">';
$output .= '<center><p align="center" class="coursesearchbox">';
$output .= '<input type="text" size="30" name="search" alt="'.$strsearchcourses.'" value="'.$value.'" />';
$output .= '<input type="submit" value="'.$strsearchcourses.'" />';
$output .= '</p></center></form>';
} else if ($format == 'short') {
$output = '<form name="coursesearch" action="'.$CFG->wwwroot.'/course/search.php" method="get">';
$output .= '<center><p align="center" class="coursesearchbox">';
$output .= '<input type="text" size="12" name="search" alt="'.$strsearchcourses.'" value="'.$value.'" />';
$output .= '<input type="submit" value="'.$strsearchcourses.'" />';
$output .= '</p></center></form>';
} else if ($format == 'navbar') {
$output = '<form name="coursesearch" action="'.$CFG->wwwroot.'/course/search.php" method="get">';
$output .= '<table border="0" cellpadding="0" cellspacing="0"><tr><td nowrap="nowrap">';
$output .= '<input type="text" size="20" name="search" alt="'.$strsearchcourses.'" value="'.$value.'" />';
$output .= '<input type="submit" value="'.$strsearchcourses.'" />';
$output .= '</td></tr></table>';
$output .= '</form>';
}
if ($return) {
return $output;
}
echo $output;
}
/// MODULE FUNCTIONS /////////////////////////////////////////////////////////////////
function add_course_module($mod) {
$mod->added = time();
unset($mod->id);
return insert_record("course_modules", $mod);
}
function add_mod_to_section($mod, $beforemod=NULL) {
/// Given a full mod object with section and course already defined
/// If $before is specified, then this is an existing ID which we
/// will insert the new module before
///
/// Returns the course_sections ID where the mod is inserted
if ($section = get_record("course_sections", "course", "$mod->course", "section", "$mod->section")) {
$section->sequence = trim($section->sequence);
if (empty($section->sequence)) {
$newsequence = "$mod->coursemodule";
} else if ($beforemod) {
$modarray = explode(",", $section->sequence);
if ($key = array_keys ($modarray, $beforemod->id)) {
$insertarray = array($mod->id, $beforemod->id);
array_splice($modarray, $key[0], 1, $insertarray);
$newsequence = implode(",", $modarray);
} else { // Just tack it on the end anyway
$newsequence = "$section->sequence,$mod->coursemodule";
}
} else {
$newsequence = "$section->sequence,$mod->coursemodule";
}
if (set_field("course_sections", "sequence", $newsequence, "id", $section->id)) {
return $section->id; // Return course_sections ID that was used.
} else {
return 0;
}
} else { // Insert a new record
$section->course = $mod->course;
$section->section = $mod->section;
$section->summary = "";
$section->sequence = $mod->coursemodule;
return insert_record("course_sections", $section);
}
}
function set_coursemodule_groupmode($id, $groupmode) {
return set_field("course_modules", "groupmode", $groupmode, "id", $id);
}
function set_coursemodule_visible($id, $visible) {
$cm = get_record('course_modules', 'id', $id);
$modulename = get_field('modules', 'name', 'id', $cm->module);
if ($events = get_records_select('event', "instance = '$cm->instance' AND modulename = '$modulename'")) {
foreach($events as $event) {
if ($visible) {
show_event($event);
} else {
hide_event($event);
}
}
}
return set_field("course_modules", "visible", $visible, "id", $id);
}
/*
* Delete a course module and any associated data at the course level (events)
* Until 1.5 this function simply marked a deleted flag ... now it
* deletes it completely.
*
*/
function delete_course_module($id) {
if (!$cm = get_record('course_modules', 'id', $id)) {
return true;
}
$modulename = get_field('modules', 'name', 'id', $cm->module);
if ($events = get_records_select('event', "instance = '$cm->instance' AND modulename = '$modulename'")) {
foreach($events as $event) {
delete_event($event);
}
}
return delete_records('course_modules', 'id', $cm->id);
}
function delete_mod_from_section($mod, $section) {
if ($section = get_record("course_sections", "id", "$section") ) {
$modarray = explode(",", $section->sequence);
if ($key = array_keys ($modarray, $mod)) {
array_splice($modarray, $key[0], 1);
$newsequence = implode(",", $modarray);
return set_field("course_sections", "sequence", $newsequence, "id", $section->id);
} else {
return false;
}
}
return false;
}
function move_section($course, $section, $move) {
/// Moves a whole course section up and down within the course
global $USER;
if (!$move) {
return true;
}
$sectiondest = $section + $move;
if ($sectiondest > $course->numsections or $sectiondest < 1) {
return false;
}
if (!$sectionrecord = get_record("course_sections", "course", $course->id, "section", $section)) {
return false;
}
if (!$sectiondestrecord = get_record("course_sections", "course", $course->id, "section", $sectiondest)) {
return false;
}
if (!set_field("course_sections", "section", $sectiondest, "id", $sectionrecord->id)) {
return false;
}
if (!set_field("course_sections", "section", $section, "id", $sectiondestrecord->id)) {
return false;
}
// if the focus is on the section that is being moved, then move the focus along
if (isset($USER->display[$course->id]) and ($USER->display[$course->id] == $section)) {
course_set_display($course->id, $sectiondest);
}
return true;
}
function moveto_module($mod, $section, $beforemod=NULL) {
/// All parameters are objects
/// Move the module object $mod to the specified $section
/// If $beforemod exists then that is the module
/// before which $modid should be inserted
/// Remove original module from original section
if (! delete_mod_from_section($mod->id, $mod->section)) {
notify("Could not delete module from existing section");
}
/// Update module itself if necessary
if ($mod->section != $section->id) {
$mod->section = $section->id;
if (!update_record("course_modules", $mod)) {
return false;
}
// if moving to a hidden section then hide module
if (!$section->visible) {
set_coursemodule_visible($mod->id, 0);
}
}
/// Add the module into the new section
$mod->course = $section->course;
$mod->section = $section->section; // need relative reference
$mod->coursemodule = $mod->id;
if (! add_mod_to_section($mod, $beforemod)) {
return false;
}
return true;
}
function make_editing_buttons($mod, $absolute=false, $moveselect=true, $indent=-1, $section=-1) {
global $CFG, $USER;
static $str;
static $sesskey;
if (!isset($str)) {
$str->delete = get_string("delete");
$str->move = get_string("move");
$str->moveup = get_string("moveup");
$str->movedown = get_string("movedown");
$str->moveright = get_string("moveright");
$str->moveleft = get_string("moveleft");
$str->update = get_string("update");
$str->duplicate = get_string("duplicate");
$str->hide = get_string("hide");
$str->show = get_string("show");
$str->clicktochange = get_string("clicktochange");
$str->forcedmode = get_string("forcedmode");
$str->groupsnone = get_string("groupsnone");
$str->groupsseparate = get_string("groupsseparate");
$str->groupsvisible = get_string("groupsvisible");
$sesskey = sesskey();
}
if ($section >= 0) {
$section = '&amp;sr='.$section; // Section return
} else {
$section = '';
}
if ($absolute) {
$path = $CFG->wwwroot.'/course';
} else {
$path = '.';
}
if ($mod->visible) {
$hideshow = '<a title="'.$str->hide.'" href="'.$path.'/mod.php?hide='.$mod->id.
'&amp;sesskey='.$sesskey.$section.'"><img'.
' src="'.$CFG->pixpath.'/t/hide.gif" hspace="2" height="11" width="11" '.
' border="0" alt="'.$str->hide.'" /></a> ';
} else {
$hideshow = '<a title="'.$str->show.'" href="'.$path.'/mod.php?show='.$mod->id.
'&amp;sesskey='.$sesskey.$section.'"><img'.
' src="'.$CFG->pixpath.'/t/show.gif" hspace="2" height="11" width="11" '.
' border="0" alt="'.$str->show.'" /></a> ';
}
if ($mod->groupmode !== false) {
if ($mod->groupmode == SEPARATEGROUPS) {
$grouptitle = $str->groupsseparate;
$groupimage = $CFG->pixpath.'/t/groups.gif';
$grouplink = $path.'/mod.php?id='.$mod->id.'&amp;groupmode=0&amp;sesskey='.$sesskey;
} else if ($mod->groupmode == VISIBLEGROUPS) {
$grouptitle = $str->groupsvisible;
$groupimage = $CFG->pixpath.'/t/groupv.gif';
$grouplink = $path.'/mod.php?id='.$mod->id.'&amp;groupmode=1&amp;sesskey='.$sesskey;
} else {
$grouptitle = $str->groupsnone;
$groupimage = $CFG->pixpath.'/t/groupn.gif';
$grouplink = $path.'/mod.php?id='.$mod->id.'&amp;groupmode=2&amp;sesskey='.$sesskey;
}
if ($mod->groupmodelink) {
$groupmode = '<a title="'.$grouptitle.' ('.$str->clicktochange.')" href="'.$grouplink.'">'.
'<img src="'.$groupimage.'" hspace="2" height="11" width="11" '.
'border="0" alt="'.$grouptitle.'" /></a>';
} else {
$groupmode = '<img title="'.$grouptitle.' ('.$str->forcedmode.')" '.
' src="'.$groupimage.'" hspace="2" height="11" width="11" '.
'border="0" alt="'.$grouptitle.'" />';
}
} else {
$groupmode = "";
}
if ($moveselect) {
$move = '<a title="'.$str->move.'" href="'.$path.'/mod.php?copy='.$mod->id.
'&amp;sesskey='.$sesskey.$section.'"><img'.
' src="'.$CFG->pixpath.'/t/move.gif" hspace="2" height="11" width="11" '.
' border="0" alt="'.$str->move.'" /></a>';
} else {
$move = '<a title="'.$str->moveup.'" href="'.$path.'/mod.php?id='.$mod->id.
'&amp;move=-1&amp;sesskey='.$sesskey.$section.'"><img'.
' src="'.$CFG->pixpath.'/t/up.gif" hspace="2" height="11" width="11" '.
' border="0" alt="'.$str->moveup.'" /></a>'.
'<a title="'.$str->movedown.'" href="'.$path.'/mod.php?id='.$mod->id.
'&amp;move=1&amp;sesskey='.$sesskey.$section.'"><img'.
' src="'.$CFG->pixpath.'/t/down.gif" hspace="2" height="11" width="11" '.
' border="0" alt="'.$str->movedown.'" /></a>';
}
$leftright = "";
if ($indent > 0) {
$leftright .= '<a title="'.$str->moveleft.'" href="'.$path.'/mod.php?id='.$mod->id.
'&amp;indent=-1&amp;sesskey='.$sesskey.$section.'"><img'.
' src="'.$CFG->pixpath.'/t/left.gif" hspace="2" height="11" width="11" '.
' border="0" alt="'.$str->moveleft.'" /></a>';
}
if ($indent >= 0) {
$leftright .= '<a title="'.$str->moveright.'" href="'.$path.'/mod.php?id='.$mod->id.
'&amp;indent=1&amp;sesskey='.$sesskey.$section.'"><img'.
' src="'.$CFG->pixpath.'/t/right.gif" hspace="2" height="11" width="11" '.
' border="0" alt="'.$str->moveright.'" /></a>';
}
return '<span class="commands">'.$leftright.$move.
'<a title="'.$str->update.'" href="'.$path.'/mod.php?update='.$mod->id.
'&amp;sesskey='.$sesskey.$section.'"><img'.
' src="'.$CFG->pixpath.'/t/edit.gif" hspace="2" height="11" width="11" border="0" '.
' alt="'.$str->update.'" /></a>'.
'<a title="'.$str->delete.'" href="'.$path.'/mod.php?delete='.$mod->id.
'&amp;sesskey='.$sesskey.$section.'"><img'.
' src="'.$CFG->pixpath.'/t/delete.gif" hspace="2" height="11" width="11" border="0" '.
' alt="'.$str->delete.'" /></a>'.$hideshow.$groupmode.'</span>';
}
/**
* given a course object with shortname & fullname, this function will
* truncate the the number of chars allowed and add ... if it was too long
*/
function course_format_name ($course,$max=100) {
$str = $course->shortname.': '.$course->fullname;
if (strlen($str) <= $max) {
return $str;
}
else {
return substr($str,0,$max-3).'...';
}
}
/**
* This function will return true if the given course is a child course at all
*/
function course_in_meta ($course) {
return record_exists("course_meta","child_course",$course->id);
}
/**
* Print standard form elements on module setup forms in mod/.../mod.html
*/
function print_standard_coursemodule_settings($form) {
if (! $course = get_record('course', 'id', $form->course)) {
error("This course doesn't exist");
}
print_groupmode_setting($form, $course);
print_visible_setting($form, $course);
}
/**
* Print groupmode form element on module setup forms in mod/.../mod.html
*/
function print_groupmode_setting($form, $course=NULL) {
if (empty($course)) {
if (! $course = get_record('course', 'id', $form->course)) {
error("This course doesn't exist");
}
}
if ($form->coursemodule) {
if (! $cm = get_record('course_modules', 'id', $form->coursemodule)) {
error("This course module doesn't exist");
}
} else {
$cm = null;
}
$groupmode = groupmode($course, $cm);
if ($course->groupmode or (!$course->groupmodeforce)) {
echo '<tr valign="top">';
echo '<td align="right"><b>'.get_string('groupmode').':</b></td>';
echo '<td>';
unset($choices);
$choices[NOGROUPS] = get_string('groupsnone');
$choices[SEPARATEGROUPS] = get_string('groupsseparate');
$choices[VISIBLEGROUPS] = get_string('groupsvisible');
choose_from_menu($choices, 'groupmode', $groupmode, '', '', 0, false, $course->groupmodeforce);
helpbutton('groupmode', get_string('groupmode'));
echo '</td></tr>';
}
}
/**
* Print visibility setting form element on module setup forms in mod/.../mod.html
*/
function print_visible_setting($form, $course=NULL) {
if (empty($course)) {
if (! $course = get_record('course', 'id', $form->course)) {
error("This course doesn't exist");
}
}
if ($form->coursemodule) {
$visible = get_field('course_modules', 'visible', 'id', $form->coursemodule);
} else {
$visible = true;
}
if ($form->mode == 'add') { // in this case $form->section is the section number, not the id
$hiddensection = !get_field('course_sections', 'visible', 'section', $form->section, 'course', $form->course);
} else {
$hiddensection = !get_field('course_sections', 'visible', 'id', $form->section);
}
if ($hiddensection) {
$visible = false;
}
echo '<tr valign="top">';
echo '<td align="right"><b>'.get_string('visibletostudents','',moodle_strtolower($course->students)).':</b></td>';
echo '<td>';
unset($choices);
$choices[1] = get_string('show');
$choices[0] = get_string('hide');
choose_from_menu($choices, 'visible', $visible, '', '', 0, false, $hiddensection);
echo '</td></tr>';
}
?>
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