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<? // $Id$
// Library of useful functions
$COURSE_MAX_LOG_DISPLAY = 150; // days
$COURSE_MAX_LOGS_PER_PAGE = 1000; // records
$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 ($courseusers = get_course_users($course->id, "u.lastaccess DESC")) {
foreach ($courseusers as $courseuser) {
$users[$courseuser->id] = "$courseuser->firstname $courseuser->lastname";
}
}
if ($guest = get_guest()) {
$users[$guest->id] = "$guest->firstname $guest->lastname";
}
}
if (isadmin()) {
if ($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);
}
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, "%d %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, %d %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.
global $CFG, $COURSE_MAX_LOGS_PER_PAGE;
if ($course->category) {
$selector = "WHERE l.course='$course->id' AND l.userid = u.id";
} else {
$selector = "WHERE l.userid = u.id"; // Show all courses
if ($ccc = get_courses(-1)) {
foreach ($ccc as $cc) {
$courses[$cc->id] = "$cc->shortname";
}
}
}
if ($user) {
$selector .= " AND l.userid = '$user'";
}
if ($date) {
$enddate = $date + 86400;
$selector .= " AND l.time > '$date' AND l.time < '$enddate'";
}
if (!$logs = get_logs($selector, $order)) {
notify("No logs found!");
print_footer($course);
exit;
}
$count=0;
$tt = getdate(time());
$today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
if (($totalcountlogs = count($logs)) > $COURSE_MAX_LOGS_PER_PAGE) {
$totalcountlogs = "$COURSE_MAX_LOGS_PER_PAGE/$totalcountlogs";
}
echo "<P ALIGN=CENTER>";
print_string("displayingrecords", "", $totalcountlogs);
echo "</P>";
$countlogs = 0;
echo "<TABLE BORDER=0 ALIGN=center CELLPADDING=3 CELLSPACING=3>";
foreach ($logs as $log) {
$countlogs++;
if ($countlogs > $COURSE_MAX_LOGS_PER_PAGE) {
break;
}
if ($ld = get_record("log_display", "module", "$log->module", "action", "$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, "%d %B %Y, %I:%M %p")."</TD>";
echo "<TD NOWRAP><FONT SIZE=2>";
link_to_popup_window("/lib/ipatlas/plot.php?address=$log->ip&user=$log->userid", "ipatlas","$log->ip", 400, 700);
echo "</TD>";
echo "<TD NOWRAP><FONT SIZE=2><A HREF=\"../user/view.php?id=$log->userid&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($category="all", $style="full", $maxcount=999, $width=180) {
global $CFG, $USER;
if ($category == "all") {
$courses = get_courses();
} else if ($category == "my") {
if (isset($USER->id)) {
if ($courses = get_courses()) {
foreach ($courses as $key => $course) {
if (!isteacher($course->id) and !isstudent($course->id)) {
unset($courses[$key]);
}
}
}
}
} else {
$courses = get_courses($category);
}
if ($style == "minimal") {
$count = 0;
$icon = "<IMG SRC=\"pix/i/course.gif\" HEIGHT=16 WIDTH=16 ALT=\"".get_string("course")."\">";
if ($courses) {
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>...";
} else {
$moddata = array();
$modicon = array();
$fulllist = get_string("nocoursesyet");
}
print_side_block(get_string("courses"), "", $moddata, $modicon, $fulllist, $width);
} else if ($courses) {
foreach ($courses as $course) {
print_course($course);
echo "<BR>\n";
}
} else {
echo "<P>".get_string("nocoursesyet")."</P>";
}
}
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) {
if (!$teacher->role) {
$teacher->role = $course->teacher;
}
echo "$teacher->role: <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) {
$strallowguests = get_string("allowguests");
echo "<A TITLE=\"$strallowguests\" HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">";
echo "<IMG VSPACE=4 ALT=\"$strallowguests\" HEIGHT=16 WIDTH=16 BORDER=0 SRC=\"$CFG->wwwroot/user/user.gif\"></A>&nbsp;&nbsp;";
}
if ($course->password) {
$strrequireskey = get_string("requireskey");
echo "<A TITLE=\"$strrequireskey\" HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">";
echo "<IMG VSPACE=4 ALT=\"$strrequireskey\" HEIGHT=16 WIDTH=16 BORDER=0 SRC=\"$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, %d %b %Y, %H:%M");
echo "</FONT></P>";
}
if (! $logs = get_records_select("log", "time > '$USER->lastlogin' AND course = '$course->id'", "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", $log->info);
if (isstudent($course->id, $user->id)) {
echo "<P><FONT SIZE=1><A HREF=\"../user/view.php?id=$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", $info[0]));
if (empty($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" => $strdeleted);
}
break;
}
}
}
}
if (!empty($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 display new things from each module
$mods = get_list_of_plugins("mod");
foreach ($mods as $mod) {
include_once("$CFG->dirroot/mod/$mod/lib.php");
$print_recent_activity = $mod."_print_recent_activity";
if (function_exists($print_recent_activity)) {
$modcontent = $print_recent_activity($logs, isteacher($course->id));
if ($modcontent) {
$content = true;
}
}
}
if (! $content) {
echo "<FONT SIZE=2>".get_string("nothingnew")."</FONT>";
}
}
function get_array_of_activities($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
$mod = array();
if (!$rawmods = get_course_mods($courseid)) {
return NULL;
}
if ($sections = get_records("course_sections", "course", $courseid, "section ASC")) {
foreach ($sections as $section) {
if ($section->sequence) {
$sequence = explode(",", $section->sequence);
foreach ($sequence as $seq) {
$mod[$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));
}
}
}
}
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
$modnamesplural= NULL; // all course module names (plural form)
$modnamesused = NULL; // course module names used
if ($allmods = get_records("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 ($rawmods = get_course_mods($courseid)) {
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("course_sections", "course", "$courseid", "section",
"section, id, course, summary, sequence");
}
function print_section_block($heading, $course, $section, $mods, $modnames, $modnamesused,
$absolute=true, $width="100%", $isediting=false) {
global $CFG;
$modinfo = unserialize($course->modinfo);
$moddata = array();
$modicon = array();
$editbuttons = "";
if ($section->sequence) {
$sectionmods = explode(",", $section->sequence);
foreach ($sectionmods as $modnumber) {
$mod = $mods[$modnumber];
if ($isediting) {
$editbuttons = make_editing_buttons($mod->id, $absolute);
}
$instancename = urldecode($modinfo[$modnumber]->name);
$modicon[] = "<img src=\"$CFG->wwwroot/mod/$mod->modname/icon.gif\" height=\"16\" width=\"16\" alt=\"$mod->modfullname\">";
$moddata[] = "<a title=\"$mod->modfullname\" href=\"$CFG->wwwroot/mod/$mod->modname/view.php?id=$mod->id\">$instancename</a><BR>$editbuttons";
}
}
if ($isediting) {
$editmenu = popup_form("$CFG->wwwroot/course/mod.php?id=$course->id&amp;section=$section->section&add=",
$modnames, "section0", "", get_string("add")."...", "mods", get_string("activities"), true);
$editmenu = "<DIV ALIGN=right>$editmenu</DIV>";
} else {
$editmenu = "";
}
print_side_block($heading, "", $moddata, $modicon, $editmenu, $width);
}
function print_section($course, $section, $mods, $modnamesused, $absolute=false, $width="100%") {
global $CFG;
$modinfo = unserialize($course->modinfo);
echo "<TABLE WIDTH=\"$width\"><TR><TD>\n";
if ($section->sequence) {
$sectionmods = explode(",", $section->sequence);
foreach ($sectionmods as $modnumber) {
$mod = $mods[$modnumber];
$instancename = urldecode($modinfo[$modnumber]->name);
echo "<IMG SRC=\"$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\">$instancename</A></FONT>";
if (isediting($course->id)) {
echo "&nbsp;&nbsp;";
echo make_editing_buttons($mod->id, $absolute);
}
echo "<BR>\n";
}
}
echo "</TD></TR></TABLE><BR>\n\n";
}
function print_heading_block($heading, $width="100%", $class="headingblock") {
global $THEME;
echo "<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"5\">";
echo "<tr><td bgcolor=\"$THEME->cellheading\" class=\"$class\">";
echo stripslashes($heading);
echo "</td></tr></table>";
}
function print_side_block($heading="", $content="", $list=NULL, $icons=NULL, $footer="", $width=180) {
// Prints a nice side block with an optional header. The content can either
// be a block of HTML or a list of text with optional icons.
global $THEME;
print_side_block_start($heading, $width);
if ($content) {
echo "$content";
} else {
echo "<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"2\">";
foreach ($list as $key => $string) {
echo "<tr bgcolor=\"$THEME->cellcontent2\">";
if ($icons) {
echo "<td class=\"sideblocklinks\" valign=\"top\" width=\"16\">".$icons[$key]."</td>";
}
echo "<td class=\"sideblocklinks\" valign=\"top\" width=\"*\"><font size=\"-1\">$string</font></td>";
echo "</tr>";
}
if ($footer) {
echo "<tr bgcolor=\"$THEME->cellcontent2\">";
if ($icons) {
echo "<td class=\"sideblocklinks\" valign=\"top\" width=\"16\">&nbsp;</td>";
}
echo "<td class=\"sideblocklinks\"><font size=\"-1\">$footer</td>";
echo "</tr>";
}
echo "</table>";
}
print_side_block_end();
}
function print_side_block_start($heading="", $width=180, $class="sideblockmain") {
// Starts a nice side block with an optional header.
global $THEME;
echo "<table class=\"sideblock\" width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"5\">";
if ($heading) {
echo "<tr>";
echo "<td class=\"sideblockheading\" bgcolor=\"$THEME->cellheading\">$heading</td>";
echo "</tr>";
}
echo "<tr>";
echo "<td class=\"$class\" bgcolor=\"$THEME->cellcontent2\">";
}
function print_side_block_end() {
echo "</td></tr>";
echo "</table><br \>";
}
function print_admin_links ($siteid, $width=180) {
global $THEME, $CFG;
$icon = "<IMG SRC=\"$CFG->wwwroot/pix/i/settings.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
$moddata[]="<A HREF=\"$CFG->wwwroot/admin/config.php\">".get_string("configvariables")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/admin/site.php\">".get_string("sitesettings")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/course/log.php?id=$siteid\">".get_string("sitelogs")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/theme/index.php\">".get_string("choosetheme")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/admin/lang.php\">".get_string("checklanguage")."</A>";
$modicon[]=$icon;
if (file_exists("$CFG->dirroot/admin/$CFG->dbtype")) {
$moddata[]="<A HREF=\"$CFG->wwwroot/admin/$CFG->dbtype/\">".get_string("managedatabase")."</A>";
$modicon[]=$icon;
}
$moddata[]="<HR>";
$modicon[]="";
$moddata[]="<A HREF=\"$CFG->wwwroot/course/edit.php\">".get_string("addnewcourse")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/course/categories.php\">".get_string("categories")."</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[]="<HR>";
$modicon[]="";
$moddata[]="<A HREF=\"$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;
$moddata[]="<A HREF=\"$CFG->wwwroot/admin/admin.php\">".get_string("assignadmins")."</A>";
$modicon[]=$icon;
$moddata[]="<A HREF=\"$CFG->wwwroot/admin/auth.php\">".get_string("authentication")."</A>";
$modicon[]=$icon;
$fulladmin = "<P><A HREF=\"$CFG->wwwroot/admin/\">".get_string("admin")."</A>...";
print_side_block(get_string("administration"), "", $moddata, $modicon, $fulladmin, $width);
echo "<IMG SRC=\"$CFG->wwwroot/pix/spacer.gif\" WIDTH=\"$width\" HEIGHT=1><BR>";
}
function print_course_admin_links($course, $width=180) {
global $USER, $THEME, $CFG;
if (isteacher($course->id)) {
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/edit.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
if (isediting($course->id)) {
$admindata[]="<A HREF=\"view.php?id=$course->id&edit=off\">".get_string("turneditingoff")."</A>";
} else {
$admindata[]="<A HREF=\"view.php?id=$course->id&edit=on\">".get_string("turneditingon")."</A>";
}
$admindata[]="<A HREF=\"edit.php?id=$course->id\">".get_string("settings")."...</A>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/settings.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
if (!$course->teachers) {
$course->teachers = get_string("defaultcourseteachers");
}
$admindata[]="<A HREF=\"teachers.php?id=$course->id\">$course->teachers...</A>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/settings.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
$admindata[]="<A HREF=\"grades.php?id=$course->id\">".get_string("grades")."...</A>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/grades.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
$admindata[]="<A HREF=\"log.php?id=$course->id\">".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=$course->id\">".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=$course->id&file=teacher.html\">".get_string("help")."...</A>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/mod/resource/icon.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
if ($teacherforum = forum_get_course_forum($course->id, "teacher")) {
$admindata[]="<A HREF=\"$CFG->wwwroot/mod/forum/view.php?f=$teacherforum->id\">".get_string("nameteacher", "forum")."</A>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/mod/forum/icon.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
}
} else {
$admindata[]="<A HREF=\"grade.php?id=$course->id\">".get_string("grades")."...</A>";
$adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/grades.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
}
print_side_block(get_string("administration"), "", $admindata, $adminicon, "", $width);
}
function print_course_categories($categories, $selected="none", $width=180) {
global $CFG, $THEME, $USER;
$strallowguests = get_string("allowguests");
$strrequireskey = get_string("requireskey");
if ($selected == "index") { // Print comprehensive index of categories with courses
if ($courses = get_courses()) {
if (isset($USER->id) and !isadmin()) {
print_simple_box_start("CENTER", "100%", $THEME->cellheading);
print_heading("<A HREF=\"course/index.php?category=my\">".get_string("mycourses")."</A>", "LEFT");
$some = false;
echo "<UL>";
foreach ($courses as $key => $course) {
if (isteacher($course->id) or isstudent($course->id)) {
echo "<A HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->fullname</A>";
echo "<BR>";
$some = true;
}
}
if (!$some) {
print_string("nocoursesyet");
}
echo "</UL>";
print_simple_box_end();
print_spacer(8,1);
}
foreach ($categories as $category) {
print_simple_box_start("CENTER", "100%");
print_heading("<A HREF=\"course/index.php?category=$category->id\">$category->name</A>", "LEFT");
$some = false;
echo "<UL>";
foreach ($courses as $key => $course) {
if ($course->category == $category->id) {
echo "<A HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->fullname</A>";
echo "&nbsp;&nbsp;";
unset($courses[$key]);
if ($course->guest ) {
echo "<A TITLE=\"$strallowguests\" HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">";
echo "<IMG ALT=\"\" HEIGHT=16 WIDTH=16 BORDER=0 SRC=\"$CFG->wwwroot/user/user.gif\"></A>";
}
if ($course->password) {
echo "<A TITLE=\"$strrequireskey\" HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">";
echo "<IMG ALT=\"\" HEIGHT=16 WIDTH=16 BORDER=0 SRC=\"$CFG->wwwroot/pix/i/key.gif\"></A>";
}
echo "<BR>";
$some = true;
}
}
if (!$some) {
print_string("nocoursesyet");
}
echo "</UL>";
print_simple_box_end();
print_spacer(8,1);
}
}
} else { // Print short list of categories only
foreach ($categories as $cat) {
$caticon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/course.gif\" HEIGHT=16 WIDTH=16>";
if ($cat->id == $selected) {
$catdata[]="$cat->name";
} else {
$catdata[]="<A HREF=\"$CFG->wwwroot/course/index.php?category=$cat->id\">$cat->name</A>";
}
}
$catdata[] = "<A HREF=\"$CFG->wwwroot/course/index.php?category=all\">".get_string("fulllistofcourses")."</A>";
if (isset($USER->id)) {
$catdata[] = "<A HREF=\"$CFG->wwwroot/course/index.php?category=my\">".get_string("mycourses")."</A>";
}
print_side_block(get_string("categories"), "", $catdata, $caticon, $showall.$mine, $width);
}
}
function print_log_graph($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;
$mod->added = time();
return insert_record("course_modules", $mod);
}
function add_mod_to_section($mod) {
// Returns the course_sections ID where the mod is inserted
GLOBAL $db;
if ($section = get_record("course_sections", "course", "$mod->course", "section", "$mod->section")) {
if ($section->sequence) {
$newsequence = "$section->sequence,$mod->coursemodule";
} else {
$newsequence = "$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", $section);
}
}
function delete_course_module($mod) {
return set_field("course_modules", "deleted", 1, "id", $mod);
}
function delete_mod_from_section($mod, $section) {
GLOBAL $db;
if ($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", $section->id);
} else {
return false;
}
} else {
return false;
}
}
function move_module($cm, $move) {
GLOBAL $db;
if (!$move) {
return true;
}
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 (! $prevsection = get_record("course_sections", "course", "$thissection->course",
"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("course_sections", "course", "$thissection->course",
"section", "$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 {
$path = "";
}
return "<A TITLE=\"$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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