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<? // $Id$
// Library of useful functions
$COURSE_MAX_LOG_DISPLAY = 150; // days
$COURSE_TEACHER_COLOR = "#990000"; // To hilight certain items that are teacher-only
$COURSE_LIVELOG_REFRESH = 60; // Seconds
function print_log_selector_form($course, $selecteduser=0, $selecteddate="today") {
global $USER, $CFG;
// Get all the possible users
$users = array();
if ($course->category) {
if ($students = get_records_sql("SELECT u.* FROM user u, user_students s
WHERE s.course = '$course->id' AND s.user = u.id
ORDER BY u.lastaccess DESC")) {
foreach ($students as $student) {
$users["$student->id"] = "$student->firstname $student->lastname";
}
}
if ($teachers = get_records_sql("SELECT u.* FROM user u, user_teachers t
WHERE t.course = '$course->id' AND t.user = u.id
ORDER BY u.lastaccess DESC")) {
foreach ($teachers as $teacher) {
$users["$teacher->id"] = "$teacher->firstname $teacher->lastname";
}
}
}
if (isadmin()) {
if ($ccc = get_records_sql("SELECT * FROM course ORDER BY fullname")) {
foreach ($ccc as $cc) {
if ($cc->category) {
$courses["$cc->id"] = "$cc->fullname";
} else {
$courses["$cc->id"] = " $cc->fullname (Site)";
}
}
}
asort($courses);
}
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, "%e %B %Y") );
if (! $course->startdate) {
$course->startdate = $course->timecreated;
}
$numdates = 1;
while ($timemidnight > $course->startdate and $numdates < 365) {
$timemidnight = $timemidnight - 86400;
$timenow = $timenow - 86400;
$dates["$timemidnight"] = userdate($timenow, "%A, %e %B %Y");
$numdates++;
}
if ($selecteddate == "today") {
$selecteddate = $today;
}
echo "<CENTER>";
echo "<FORM ACTION=log.php METHOD=get>";
if (isadmin()) {
choose_from_menu ($courses, "id", $course->id, "");
} else {
echo "<INPUT TYPE=hidden NAME=id VALUE=\"$course->id\">";
}
if ($course->category) {
choose_from_menu ($users, "user", $selecteduser, get_string("allparticipants") );
}
choose_from_menu ($dates, "date", $selecteddate, get_string("alldays"));
echo "<INPUT TYPE=submit VALUE=\"".get_string("showtheselogs")."\">";
echo "</FORM>";
echo "</CENTER>";
}
function make_log_url($module, $url) {
switch ($module) {
case "course":
case "user":
case "file":
case "login":
case "lib":
case "admin":
return "/$module/$url";
break;
default:
return "/mod/$module/$url";
break;
}
}
function print_log($course, $user=0, $date=0, $order="ORDER BY l.time ASC") {
// It is assumed that $date is the GMT time of midnight for that day,
// and so the next 86400 seconds worth of logs are printed.
if ($course->category) {
$selector = "WHERE l.course='$course->id' AND l.user = u.id";
} else {
$selector = "WHERE l.user = u.id"; // Show all courses
if ($ccc = get_records_sql("SELECT * FROM course ORDER BY fullname")) {
foreach ($ccc as $cc) {
$courses[$cc->id] = "$cc->shortname";
}
}
}
if ($user) {
$selector .= " AND l.user = '$user'";
}
if ($date) {
$enddate = $date + 86400;
$selector .= " AND l.time > '$date' AND l.time < '$enddate'";
}
if (!$logs = get_records_sql("SELECT l.*, u.firstname, u.lastname, u.picture
FROM log l, user u $selector $order")){
notify("No logs found!");
print_footer($course);
exit;
}
$count=0;
$tt = getdate(time());
$today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
echo "<P ALIGN=CENTER>Displaying ".count($logs)." records</P>";
echo "<TABLE BORDER=0 ALIGN=center CELLPADDING=3 CELLSPACING=3>";
foreach ($logs as $log) {
if ($ld = get_record_sql("SELECT * FROM log_display WHERE module='$log->module' AND action='$log->action'")) {
$log->info = get_field($ld->mtable, $ld->field, "id", $log->info);
}
echo "<TR NOWRAP>";
if (! $course->category) {
echo "<TD NOWRAP><FONT SIZE=2><A HREF=\"view.php?id=$log->course\">".$courses[$log->course]."</A></TD>";
}
echo "<TD NOWRAP ALIGN=right><FONT SIZE=2>".userdate($log->time, "%A")."</TD>";
echo "<TD NOWRAP><FONT SIZE=2>".userdate($log->time, "%e %B %Y, %I:%M %p")."</TD>";
echo "<TD NOWRAP><FONT SIZE=2>";
link_to_popup_window("$CFG->wwwroot/lib/ipatlas/plot.php?address=$log->ip&user=$log->user", "ipatlas","$log->ip", 400, 700);
echo "</TD>";
echo "<TD NOWRAP><FONT SIZE=2><A HREF=\"../user/view.php?id=$log->user&course=$log->course\"><B>$log->firstname $log->lastname</B></TD>";
echo "<TD NOWRAP><FONT SIZE=2>";
link_to_popup_window( make_log_url($log->module,$log->url), "fromloglive","$log->module $log->action", 400, 600);
echo "</TD>";
echo "<TD NOWRAP><FONT SIZE=2>$log->info</TD>";
echo "</TR>";
}
echo "</TABLE>";
}
function print_all_courses($cat=1, $style="full", $maxcount=999) {
global $CFG;
if ($courses = get_records("course", "category", $cat, "fullname ASC")) {
if ($style == "minimal") {
$count = 0;
$icon = "<IMG SRC=\"pix/i/course.gif\" HEIGHT=16 WIDTH=16 ALT=\"".get_string("course")."\">";
foreach ($courses as $course) {
$moddata[]="<A TITLE=\"$course->shortname\" HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->fullname</A>";
$modicon[]=$icon;
if ($count++ >= $maxcount) {
break;
}
}
$fulllist = "<P><A HREF=\"$CFG->wwwroot/course/\">".get_string("fulllistofcourses")."</A>...";
print_side_block("", $moddata, "$fulllist", $modicon);
} else {
foreach ($courses as $course) {
print_course($course);
echo "<BR>\n";
}
}
} else {
echo "<H3>No courses have been defined yet</H3>";
}
}
function print_course($course) {
global $CFG;
if (! $site = get_site()) {
error("Could not find a site!");
}
print_simple_box_start("CENTER", "100%");
echo "<TABLE WIDTH=100%>";
echo "<TR VALIGN=top>";
echo "<TD VALIGN=top WIDTH=50%>";
echo "<P><FONT SIZE=3><B><A TITLE=\"".get_string("entercourse")."\"
HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->fullname</A></B></FONT></P>";
if ($teachers = get_course_teachers($course->id)) {
echo "<P><FONT SIZE=1>\n";
foreach ($teachers as $teacher) {
if ($teacher->authority > 0) {
echo "$course->teacher: <A HREF=\"$CFG->wwwroot/user/view.php?id=$teacher->id&course=$site->id\">$teacher->firstname $teacher->lastname</A><BR>";
}
}
echo "</FONT></P>";
}
if ($course->guest or ($course->password == "")) {
echo "<A TITLE=\"".get_string("allowguests")."\" HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">";
echo "<IMG VSPACE=4 ALT=\"\" HEIGHT=16 WIDTH=16 BORDER=0 SRC=\"$CFG->wwwroot/user/user.gif\"></A>&nbsp;&nbsp;";
}
if ($course->password) {
echo "<A TITLE=\"".get_string("requireskey")."\" HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">";
echo "<IMG VSPACE=4 ALT=\"\" HEIGHT=16 WIDTH=16 BORDER=0 SRC=\"$CFG->wwwroot/pix/i/key.gif\"></A>";
}
echo "</TD><TD VALIGN=top WIDTH=50%>";
echo "<P><FONT SIZE=2>".text_to_html($course->summary)."</FONT></P>";
echo "</TD></TR>";
echo "</TABLE>";
print_simple_box_end();
}
function print_headline($text, $size=2) {
echo "<B><FONT SIZE=\"$size\">$text</FONT></B><BR>\n";
}
function print_recent_activity($course) {
// $course is an object
// This function trawls through the logs looking for
// anything new since the user's last login
global $CFG, $USER, $COURSE_TEACHER_COLOR;
if (! $USER->lastlogin ) {
echo "<P ALIGN=CENTER><FONT SIZE=1>";
print_string("welcometocourse", "", $course->shortname);
echo "</FONT></P>";
return;
} else {
echo "<P ALIGN=CENTER><FONT SIZE=1>";
echo get_string("yourlastlogin").":<BR>";
echo userdate($USER->lastlogin, "%A, %e %b %Y, %H:%M");
echo "</FONT></P>";
}
if (! $logs = get_records_sql("SELECT * FROM log WHERE time > '$USER->lastlogin' AND course = '$course->id' ORDER BY time ASC")) {
return;
}
// Firstly, have there been any new enrolments?
$heading = false;
$content = false;
foreach ($logs as $log) {
if ($log->module == "course" and $log->action == "enrol") {
if (! $heading) {
print_headline(get_string("newusers").":");
$heading = true;
$content = true;
}
$user = get_record("user", "id", $log->info);
echo "<P><FONT SIZE=1><A HREF=\"../user/view.php?id=$user->id&course=$course->id\">$user->firstname $user->lastname</A></FONT></P>";
}
}
// Next, have there been any changes to the course structure?
foreach ($logs as $log) {
if ($log->module == "course") {
if ($log->action == "add mod" or $log->action == "update mod" or $log->action == "delete mod") {
$info = split(" ", $log->info);
$modname = get_field($info[0], "name", "id", $info[1]);
switch ($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/$log->url\">$modname</A>");
break;
case "update mod":
$strupdated = get_string("updated", "moodle", get_string("modulename", $info[0]));
if (! $changelist["$log->info"]) {
$changelist["$log->info"] = array ("operation" => "update", "text" => "$strupdated:<BR><A HREF=\"$CFG->wwwroot/course/$log->url\">$modname</A>");
}
break;
case "delete mod":
if ($changelist["$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" => $strdeleted);
}
break;
}
}
}
}
if ($changelist) {
foreach ($changelist as $changeinfo => $change) {
if ($change) {
$changes[$changeinfo] = $change;
}
}
if (count($changes) > 0) {
print_headline(get_string("courseupdates").":");
$content = true;
foreach ($changes as $changeinfo => $change) {
echo "<P><FONT SIZE=1>".$change["text"]."</FONT></P>";
}
}
}
// Now all we need to know are the new posts.
$heading = false;
foreach ($logs as $log) {
if ($log->module == "forum") {
$post = NULL;
if ($log->action == "add post") {
$post = get_record_sql("SELECT p.*, d.forum, u.firstname, u.lastname,
u.email, u.picture, u.id as userid
FROM forum_discussions d, forum_posts p, user u
WHERE p.id = '$log->info' AND d.id = p.discussion AND p.user = u.id");
} else if ($log->action == "add discussion") {
$post = get_record_sql("SELECT p.*, d.forum, u.firstname, u.lastname,
u.email, u.picture, u.id as userid
FROM forum_discussions d, forum_posts p, user u
WHERE d.id = '$log->info' AND d.firstpost = p.id AND p.user = u.id");
}
if ($post) {
$teacherpost = "";
if ($forum = get_record("forum", "id", $post->forum) ) {
if ($forum->type == "teacher") {
if (!isteacher($course->id)) {
continue;
} else {
$teacherpost = "COLOR=$COURSE_TEACHER_COLOR";
}
}
}
if (! $heading) {
print_headline(get_string("newforumposts").":");
$heading = true;
$content = true;
}
$date = userdate($post->modified, "%e %b, %H:%M");
echo "<P><FONT SIZE=1 $teacherpost>$date - $post->firstname $post->lastname<BR>";
echo "\"<A HREF=\"$CFG->wwwroot/mod/forum/$log->url\">";
if ($log->action == "add") {
echo "<B>$post->subject</B>";
} else {
echo "$post->subject";
}
echo "</A>\"</FONT></P>";
}
}
}
if (! $content) {
echo "<FONT SIZE=2>".get_string("nothingnew")."</FONT>";
}
}
function unenrol_student_in_course($user, $course) {
global $db;
return $db->Execute("DELETE FROM user_students WHERE user = '$user' AND course = '$course'");
}
function enrol_student_in_course($user, $course) {
global $db;
$timenow = time();
$rs = $db->Execute("INSERT INTO user_students (user, course, start, end, time)
VALUES ($user, $course, 0, 0, $timenow)");
if ($rs) {
return true;
} else {
return false;
}
}
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
$modnamesplural= NULL; // all course module names (plural form)
$modnamesused = NULL; // course module names used
if ($allmods = get_records_sql("SELECT * FROM modules") ) {
foreach ($allmods as $mod) {
$modnames[$mod->name] = get_string("modulename", "$mod->name");
$modnamesplural[$mod->name] = get_string("modulenameplural", "$mod->name");
}
asort($modnames);
} else {
error("No modules are installed!");
}
if ($rawmods = get_records_sql("SELECT cm.*, m.name as modname
FROM modules m, course_modules cm
WHERE cm.course = '$courseid'
AND cm.deleted = '0'
AND cm.module = m.id ") ) {
foreach($rawmods as $mod) { // Index the mods
$mods[$mod->id] = $mod;
$mods[$mod->id]->modfullname = $modnames[$mod->modname];
$modnamesused[$mod->modname] = $modnames[$mod->modname];
}
asort($modnamesused);
}
}
function get_all_sections($courseid) {
return get_records_sql("SELECT section, id, course, summary, sequence
FROM course_sections
WHERE course = '$courseid'
ORDER BY section");
}
function print_section($courseid, $section, $mods, $modnamesused, $absolute=false, $width="100%") {
global $CFG;
echo "<TABLE WIDTH=\"$width\"><TR><TD>\n";
if ($section->sequence) {
$sectionmods = explode(",", $section->sequence);
foreach ($sectionmods as $modnumber) {
$mod = $mods[$modnumber];
$instancename = get_field("$mod->modname", "name", "id", "$mod->instance");
echo "<IMG SRC=\"$CFG->wwwroot/mod/$mod->modname/icon.gif\" HEIGHT=16 WIDTH=16 ALT=\"$mod->modfullname\">";
echo " <FONT SIZE=2><A TITLE=\"$mod->modfullname\"";
echo " HREF=\"$CFG->wwwroot/mod/$mod->modname/view.php?id=$mod->id\">$instancename</A></FONT>";
if (isediting($courseid)) {
echo make_editing_buttons($mod->id, $absolute);
}
echo "<BR>\n";
}
}
echo "</TD></TR></TABLE><BR>\n\n";
}
function print_side_block($heading="", $list=NULL, $footer="", $icons=NULL, $width=180) {
echo "<TABLE WIDTH=\"$width\">\n";
echo "<TR><TD COLSPAN=2><P><B><FONT SIZE=2>$heading</TD></TR>\n";
if ($list) {
foreach($list as $key => $string) {
echo "<TR><TD VALIGN=top WIDTH=12>";
if ($icons[$key]) {
echo $icons[$key];
} else {
echo "";
}
echo "</TD>\n<TD WIDTH=100% VALIGN=top>";
echo "<P><FONT SIZE=2>$string</FONT></P>";
echo "</TD></TR>\n";
}
}
if ($footer) {
echo "<TR><TD></TD><TD ALIGN=left><P><FONT SIZE=2>$footer</TD></TR>\n";
}
echo "</TABLE><BR>\n\n";
}
function print_admin_links ($siteid, $width=180) {
global $THEME, $CFG;
print_simple_box(get_string("administration"), $align="CENTER", $width, $color="$THEME->cellheading");
$icon = "<IMG SRC=\"$CFG->wwwroot/pix/i/settings.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
$moddata[]="<A HREF=\"$CFG->wwwroot/course/log.php?id=$siteid\">".get_string("sitelogs")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/admin/site.php\">".get_string("sitesettings")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/theme/index.php\">".get_string("choosetheme")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/course/edit.php\">".get_string("addnewcourse")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/course/teacher.php\">".get_string("assignteachers")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/course/delete.php\">".get_string("deletecourse")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/admin/user.php?newuser=true\">".get_string("addnewuser")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/admin/user.php\">".get_string("edituser")."</A>";
$modicon[]=$icon;
$fulladmin = "<P><A HREF=\"$CFG->wwwroot/admin/\">".get_string("admin")."</A>...";
print_side_block("", $moddata, "$fulladmin", $modicon, $width);
echo "<IMG SRC=\"$CFG->wwwroot/pix/spacer.gif\" WIDTH=\"$width\" HEIGHT=1><BR>";
}
function print_course_admin_links($courseid, $width=180) {
global $THEME, $CFG;
echo "<BR>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/edit.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
if (isediting($courseid)) {
$admindata[]="<A HREF=\"view.php?id=$courseid&edit=off\">".get_string("turneditingoff")."</A>";
} else {
$admindata[]="<A HREF=\"view.php?id=$courseid&edit=on\">".get_string("turneditingon")."</A>";
}
$admindata[]="<A HREF=\"edit.php?id=$courseid\">".get_string("settings")."...</A>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/settings.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
$admindata[]="<A HREF=\"log.php?id=$courseid\">".get_string("logs")."...</A>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/log.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
$admindata[]="<A HREF=\"$CFG->wwwroot/files/index.php?id=$courseid\">".get_string("files")."...</A>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/files/pix/files.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
$admindata[]="<A HREF=\"$CFG->wwwroot/doc/view.php?id=$courseid&file=teacher.html\">".get_string("help")."...</A>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/mod/reading/icon.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
if ($teacherforum = forum_get_course_forum($courseid, "teacher")) {
$admindata[]="<A HREF=\"$CFG->wwwroot/mod/forum/view.php?f=$teacherforum->id\">".get_string("teacherforum")."</A>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/mod/forum/icon.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
}
print_simple_box(get_string("administration"), $align="CENTER", $width, $color="$THEME->cellheading");
print_side_block("", $admindata, "", $adminicon, $width);
}
function print_log_graph($course, $userid=0, $type="course.png", $date=0) {
global $CFG;
echo "<IMG BORDER=0 SRC=\"$CFG->wwwroot/course/loggraph.php?id=$course->id&user=$userid&type=$type&date=$date\">";
}
/// MODULE FUNCTIONS /////////////////////////////////////////////////////////////////
function add_course_module($mod) {
GLOBAL $db;
$timenow = time();
if (!$rs = $db->Execute("INSERT into course_modules
SET course = '$mod->course',
module = '$mod->module',
instance = '$mod->instance',
section = '$mod->section',
added = '$timenow' ")) {
return 0;
}
// Get it out again - this is the most compatible way to determine the ID
if ($rs = $db->Execute("SELECT id FROM course_modules
WHERE module = $mod->module AND added = $timenow")) {
return $rs->fields[0];
} else {
return 0;
}
}
function add_mod_to_section($mod) {
// Returns the course_sections ID where the mod is inserted
GLOBAL $db;
if ($cw = get_record_sql("SELECT * FROM course_sections
WHERE course = '$mod->course' AND section = '$mod->section'") ) {
if ($cw->sequence) {
$newsequence = "$cw->sequence,$mod->coursemodule";
} else {
$newsequence = "$mod->coursemodule";
}
if (!$rs = $db->Execute("UPDATE course_sections SET sequence = '$newsequence' WHERE id = '$cw->id'")) {
return 0;
} else {
return $cw->id; // Return course_sections ID that was used.
}
} else { // Insert a new record
if (!$rs = $db->Execute("INSERT into course_sections
SET course = '$mod->course',
section = '$mod->section',
summary = '',
sequence = '$mod->coursemodule' ")) {
return 0;
}
// Get it out again - this is the most compatible way to determine the ID
if ($rs = $db->Execute("SELECT id FROM course_sections
WHERE course = '$mod->course' AND section = '$mod->section'")) {
return $rs->fields[0];
} else {
return 0;
}
}
}
function delete_course_module($mod) {
return set_field("course_modules", "deleted", 1, "id", $mod);
}
function delete_mod_from_section($mod, $section) {
GLOBAL $db;
if ($cw = get_record("course_sections", "id", "$section") ) {
$modarray = explode(",", $cw->sequence);
if ($key = array_keys ($modarray, $mod)) {
array_splice($modarray, $key[0], 1);
$newsequence = implode(",", $modarray);
return set_field("course_sections", "sequence", $newsequence, "id", $cw->id);
} else {
return false;
}
} else {
return false;
}
}
function move_module($id, $move) {
GLOBAL $db;
if (!$move) {
return true;
}
if (! $cm = get_record("course_modules", "id", $id)) {
error("This course module doesn't exist");
}
if (! $thissection = get_record("course_sections", "id", $cm->section)) {
error("This course section doesn't exist");
}
$mods = explode(",", $thissection->sequence);
$len = count($mods);
$pos = array_keys($mods, $cm->id);
$thepos = $pos[0];
if ($len == 0 || count($pos) == 0 ) {
error("Very strange. Could not find the required module in this section.");
}
if ($len == 1) {
$first = true;
$last = true;
} else {
$first = ($thepos == 0);
$last = ($thepos == $len - 1);
}
if ($move < 0) { // Moving the module up
if ($first) {
if ($thissection->section == 1) { // First section, do nothing
return true;
} else { // Push onto end of previous section
$prevsectionnumber = $thissection->section - 1;
if (! $prevsection = get_record_sql("SELECT * FROM course_sections
WHERE course='$thissection->course'
AND section='$prevsectionnumber' ")) {
error("Previous section ($prevsection->id) doesn't exist");
}
if ($prevsection->sequence) {
$newsequence = "$prevsection->sequence,$cm->id";
} else {
$newsequence = "$cm->id";
}
if (! set_field("course_sections", "sequence", $newsequence, "id", $prevsection->id)) {
error("Previous section could not be updated");
}
if (! set_field("course_modules", "section", $prevsection->id, "id", $cm->id)) {
error("Module could not be updated");
}
array_splice($mods, 0, 1);
$newsequence = implode(",", $mods);
if (! set_field("course_sections", "sequence", $newsequence, "id", $thissection->id)) {
error("Module could not be updated");
}
return true;
}
} else { // move up within this section
$swap = $mods[$thepos-1];
$mods[$thepos-1] = $mods[$thepos];
$mods[$thepos] = $swap;
$newsequence = implode(",", $mods);
if (! set_field("course_sections", "sequence", $newsequence, "id", $thissection->id)) {
error("This section could not be updated");
}
return true;
}
} else { // Moving the module down
if ($last) {
$nextsectionnumber = $thissection->section + 1;
if ($nextsection = get_record_sql("SELECT * FROM course_sections
WHERE course='$thissection->course'
AND section='$nextsectionnumber' ")) {
if ($nextsection->sequence) {
$newsequence = "$cm->id,$nextsection->sequence";
} else {
$newsequence = "$cm->id";
}
if (! set_field("course_sections", "sequence", $newsequence, "id", $nextsection->id)) {
error("Next section could not be updated");
}
if (! set_field("course_modules", "section", $nextsection->id, "id", $cm->id)) {
error("Module could not be updated");
}
array_splice($mods, $thepos, 1);
$newsequence = implode(",", $mods);
if (! set_field("course_sections", "sequence", $newsequence, "id", $thissection->id)) {
error("This section could not be updated");
}
return true;
} else { // There is no next section, so just return
return true;
}
} else { // move down within this section
$swap = $mods[$thepos+1];
$mods[$thepos+1] = $mods[$thepos];
$mods[$thepos] = $swap;
$newsequence = implode(",", $mods);
if (! set_field("course_sections", "sequence", $newsequence, "id", $thissection->id)) {
error("This section could not be updated");
}
return true;
}
}
}
function make_editing_buttons($moduleid, $absolute=false) {
global $CFG;
$delete = get_string("delete");
$moveup = get_string("moveup");
$movedown = get_string("movedown");
$update = get_string("update");
if ($absolute) {
$path = "$CFG->wwwroot/course/";
} else {
$path = "";
}
return "&nbsp; &nbsp;
<A TITLE=\"$delete\" HREF=\"".$path."mod.php?delete=$moduleid\"><IMG
SRC=".$path."../pix/t/delete.gif BORDER=0></A>
<A TITLE=\"$moveup\" HREF=\"".$path."mod.php?id=$moduleid&move=-1\"><IMG
SRC=".$path."../pix/t/up.gif BORDER=0></A>
<A TITLE=\"$movedown\" HREF=\"".$path."mod.php?id=$moduleid&move=1\"><IMG
SRC=".$path."../pix/t/down.gif BORDER=0></A>
<A TITLE=\"$update\" HREF=\"".$path."mod.php?update=$moduleid\"><IMG
SRC=".$path."../pix/t/edit.gif BORDER=0></A>";
}
?>
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