Some more clues for new admins ...
[moodle.git] / course / lib.php
CommitLineData
f9903ed0 1<? // $Id$
97c270e9 2 // Library of useful functions
f9903ed0 3
f9903ed0 4
97c270e9 5$COURSE_MAX_LOG_DISPLAY = 150; // days
d9d1c35d 6
97c270e9 7$COURSE_TEACHER_COLOR = "#990000"; // To hilight certain items that are teacher-only
87ffed0d 8
97c270e9 9$COURSE_LIVELOG_REFRESH = 60; // Seconds
ef58b822 10
f9903ed0 11
f9903ed0 12function print_log_selector_form($course, $selecteduser=0, $selecteddate="today") {
13
9481285b 14 global $USER, $CFG;
15
f9903ed0 16 // Get all the possible users
17 $users = array();
720a43ce 18
19 if ($course->category) {
20 if ($students = get_records_sql("SELECT u.* FROM user u, user_students s
21 WHERE s.course = '$course->id' AND s.user = u.id
22 ORDER BY u.lastaccess DESC")) {
23 foreach ($students as $student) {
24 $users["$student->id"] = "$student->firstname $student->lastname";
25 }
26 }
27 if ($teachers = get_records_sql("SELECT u.* FROM user u, user_teachers t
28 WHERE t.course = '$course->id' AND t.user = u.id
29 ORDER BY u.lastaccess DESC")) {
30 foreach ($teachers as $teacher) {
31 $users["$teacher->id"] = "$teacher->firstname $teacher->lastname";
32 }
f9903ed0 33 }
122cffc9 34 if ($guest = get_user_info_from_db("username", "guest")) {
35 $users["$guest->id"] = "$guest->firstname $guest->lastname";
36 }
f9903ed0 37 }
720a43ce 38
39 if (isadmin()) {
40 if ($ccc = get_records_sql("SELECT * FROM course ORDER BY fullname")) {
41 foreach ($ccc as $cc) {
cfa5d3f2 42 if ($cc->category) {
43 $courses["$cc->id"] = "$cc->fullname";
44 } else {
45 $courses["$cc->id"] = " $cc->fullname (Site)";
46 }
720a43ce 47 }
f9903ed0 48 }
cfa5d3f2 49 asort($courses);
f9903ed0 50 }
51
52 asort($users);
53
54 // Get all the possible dates
9481285b 55 // Note that we are keeping track of real (GMT) time and user time
56 // User time is only used in displays - all calcs and passing is GMT
57
58 $timenow = time(); // GMT
59
60 // What day is it now for the user, and when is midnight that day (in GMT).
9604ccb1 61 $timemidnight = $today = usergetmidnight($timenow);
9481285b 62
63 // Put today up the top of the list
97c270e9 64 $dates = array("$timemidnight" => get_string("today").", ".userdate($timenow, "%e %B %Y") );
9481285b 65
66 if (! $course->startdate) {
67 $course->startdate = $course->timecreated;
68 }
f9903ed0 69
9481285b 70 $numdates = 1;
71 while ($timemidnight > $course->startdate and $numdates < 365) {
f9903ed0 72 $timemidnight = $timemidnight - 86400;
9481285b 73 $timenow = $timenow - 86400;
7a302afc 74 $dates["$timemidnight"] = userdate($timenow, "%A, %e %B %Y");
9481285b 75 $numdates++;
f9903ed0 76 }
77
78 if ($selecteddate == "today") {
79 $selecteddate = $today;
80 }
81
82 echo "<CENTER>";
83 echo "<FORM ACTION=log.php METHOD=get>";
720a43ce 84 if (isadmin()) {
849bc02a 85 choose_from_menu ($courses, "id", $course->id, "");
720a43ce 86 } else {
87 echo "<INPUT TYPE=hidden NAME=id VALUE=\"$course->id\">";
88 }
89 if ($course->category) {
97c270e9 90 choose_from_menu ($users, "user", $selecteduser, get_string("allparticipants") );
720a43ce 91 }
97c270e9 92 choose_from_menu ($dates, "date", $selecteddate, get_string("alldays"));
93 echo "<INPUT TYPE=submit VALUE=\"".get_string("showtheselogs")."\">";
f9903ed0 94 echo "</FORM>";
95 echo "</CENTER>";
96}
97
600149be 98function make_log_url($module, $url) {
99 switch ($module) {
100 case "course":
101 case "user":
102 case "file":
103 case "login":
104 case "lib":
105 case "admin":
106 return "/$module/$url";
107 break;
108 default:
109 return "/mod/$module/$url";
110 break;
111 }
112}
113
114
f9903ed0 115function print_log($course, $user=0, $date=0, $order="ORDER BY l.time ASC") {
9481285b 116// It is assumed that $date is the GMT time of midnight for that day,
117// and so the next 86400 seconds worth of logs are printed.
f9903ed0 118
720a43ce 119 if ($course->category) {
120 $selector = "WHERE l.course='$course->id' AND l.user = u.id";
a2ab3b05 121
720a43ce 122 } else {
123 $selector = "WHERE l.user = u.id"; // Show all courses
124 if ($ccc = get_records_sql("SELECT * FROM course ORDER BY fullname")) {
125 foreach ($ccc as $cc) {
126 $courses[$cc->id] = "$cc->shortname";
127 }
128 }
129 }
f9903ed0 130
131 if ($user) {
132 $selector .= " AND l.user = '$user'";
133 }
134
135 if ($date) {
136 $enddate = $date + 86400;
137 $selector .= " AND l.time > '$date' AND l.time < '$enddate'";
138 }
139
140 if (!$logs = get_records_sql("SELECT l.*, u.firstname, u.lastname, u.picture
600149be 141 FROM log l, user u $selector $order")){
f9903ed0 142 notify("No logs found!");
143 print_footer($course);
144 exit;
145 }
146
147 $count=0;
148 $tt = getdate(time());
149 $today = mktime (0, 0, 0, $tt["mon"], $tt["mday"], $tt["year"]);
150 echo "<P ALIGN=CENTER>Displaying ".count($logs)." records</P>";
151 echo "<TABLE BORDER=0 ALIGN=center CELLPADDING=3 CELLSPACING=3>";
152 foreach ($logs as $log) {
600149be 153
154 if ($ld = get_record_sql("SELECT * FROM log_display WHERE module='$log->module' AND action='$log->action'")) {
565f7a95 155 $log->info = get_field($ld->mtable, $ld->field, "id", $log->info);
600149be 156 }
157
f58d18bc 158 echo "<TR NOWRAP>";
720a43ce 159 if (! $course->category) {
f58d18bc 160 echo "<TD NOWRAP><FONT SIZE=2><A HREF=\"view.php?id=$log->course\">".$courses[$log->course]."</A></TD>";
720a43ce 161 }
f58d18bc 162 echo "<TD NOWRAP ALIGN=right><FONT SIZE=2>".userdate($log->time, "%A")."</TD>";
163 echo "<TD NOWRAP><FONT SIZE=2>".userdate($log->time, "%e %B %Y, %I:%M %p")."</TD>";
ebea4e27 164 echo "<TD NOWRAP><FONT SIZE=2>";
ef4743b9 165 link_to_popup_window("$CFG->wwwroot/lib/ipatlas/plot.php?address=$log->ip&user=$log->user", "ipatlas","$log->ip", 400, 700);
ebea4e27 166 echo "</TD>";
f58d18bc 167 echo "<TD NOWRAP><FONT SIZE=2><A HREF=\"../user/view.php?id=$log->user&course=$log->course\"><B>$log->firstname $log->lastname</B></TD>";
168 echo "<TD NOWRAP><FONT SIZE=2>";
600149be 169 link_to_popup_window( make_log_url($log->module,$log->url), "fromloglive","$log->module $log->action", 400, 600);
f9903ed0 170 echo "</TD>";
f58d18bc 171 echo "<TD NOWRAP><FONT SIZE=2>$log->info</TD>";
f9903ed0 172 echo "</TR>";
173 }
174 echo "</TABLE>";
175}
176
177
ba2e5d73 178function print_all_courses($category="all", $style="full", $maxcount=999) {
0a263205 179 global $CFG, $USER;
d887b5a7 180
ba2e5d73 181 if ($category == "all") {
182 $courses = get_records_sql("SELECT * FROM course WHERE category > 0 ORDER BY fullname ASC");
0a263205 183
184 } else if ($category == "my") {
185 if (isset($USER->id)) {
186 if ($courses = get_records_sql("SELECT * FROM course WHERE category > 0 ORDER BY fullname ASC")) {
187 foreach ($courses as $key => $course) {
188 if (!isteacher($course->id) and !isstudent($course->id)) {
189 unset($courses[$key]);
190 }
191 }
192 }
193 }
194
ba2e5d73 195 } else {
196 $courses = get_records("course", "category", $category, "fullname ASC");
197 }
198
199 if ($courses) {
94361e02 200 if ($style == "minimal") {
201 $count = 0;
97c270e9 202 $icon = "<IMG SRC=\"pix/i/course.gif\" HEIGHT=16 WIDTH=16 ALT=\"".get_string("course")."\">";
94361e02 203 foreach ($courses as $course) {
565f7a95 204 $moddata[]="<A TITLE=\"$course->shortname\" HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->fullname</A>";
94361e02 205 $modicon[]=$icon;
206 if ($count++ >= $maxcount) {
207 break;
208 }
209 }
210 $fulllist = "<P><A HREF=\"$CFG->wwwroot/course/\">".get_string("fulllistofcourses")."</A>...";
211 print_side_block("", $moddata, "$fulllist", $modicon);
212
213 } else {
214 foreach ($courses as $course) {
215 print_course($course);
216 echo "<BR>\n";
217 }
d887b5a7 218 }
219
220 } else {
cf38360f 221 echo "<H3>".get_string("nocoursesyet")."</H3>";
d887b5a7 222 }
223}
224
225
f9903ed0 226function print_course($course) {
227
d887b5a7 228 global $CFG;
229
a83fded1 230 if (! $site = get_site()) {
f9903ed0 231 error("Could not find a site!");
232 }
233
d887b5a7 234 print_simple_box_start("CENTER", "100%");
f9903ed0 235
236 echo "<TABLE WIDTH=100%>";
da5c172a 237 echo "<TR VALIGN=top>";
238 echo "<TD VALIGN=top WIDTH=50%>";
7a302afc 239 echo "<P><FONT SIZE=3><B><A TITLE=\"".get_string("entercourse")."\"
9481285b 240 HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->fullname</A></B></FONT></P>";
0c71c9ae 241 if ($teachers = get_course_teachers($course->id)) {
f9903ed0 242 echo "<P><FONT SIZE=1>\n";
243 foreach ($teachers as $teacher) {
0c71c9ae 244 if ($teacher->authority > 0) {
b4d7002e 245 if (!$teacher->role) {
246 $teacher->role = $course->teacher;
247 }
248 echo "$teacher->role: <A HREF=\"$CFG->wwwroot/user/view.php?id=$teacher->id&course=$site->id\">$teacher->firstname $teacher->lastname</A><BR>";
0c71c9ae 249 }
f9903ed0 250 }
251 echo "</FONT></P>";
da5c172a 252 }
f25f1e1b 253 if ($course->guest) {
97c270e9 254 echo "<A TITLE=\"".get_string("allowguests")."\" HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">";
d887b5a7 255 echo "<IMG VSPACE=4 ALT=\"\" HEIGHT=16 WIDTH=16 BORDER=0 SRC=\"$CFG->wwwroot/user/user.gif\"></A>&nbsp;&nbsp;";
da5c172a 256 }
257 if ($course->password) {
97c270e9 258 echo "<A TITLE=\"".get_string("requireskey")."\" HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">";
d887b5a7 259 echo "<IMG VSPACE=4 ALT=\"\" HEIGHT=16 WIDTH=16 BORDER=0 SRC=\"$CFG->wwwroot/pix/i/key.gif\"></A>";
da5c172a 260 }
261
262
263 echo "</TD><TD VALIGN=top WIDTH=50%>";
264 echo "<P><FONT SIZE=2>".text_to_html($course->summary)."</FONT></P>";
265 echo "</TD></TR>";
266 echo "</TABLE>";
f9903ed0 267
da5c172a 268 print_simple_box_end();
f9903ed0 269}
270
600149be 271function print_headline($text, $size=2) {
272 echo "<B><FONT SIZE=\"$size\">$text</FONT></B><BR>\n";
273}
274
275function print_recent_activity($course) {
276 // $course is an object
277 // This function trawls through the logs looking for
278 // anything new since the user's last login
279
97c270e9 280 global $CFG, $USER, $COURSE_TEACHER_COLOR;
600149be 281
282 if (! $USER->lastlogin ) {
4c654ee3 283 echo "<P ALIGN=CENTER><FONT SIZE=1>";
4b1371a7 284 print_string("welcometocourse", "", $course->shortname);
4c654ee3 285 echo "</FONT></P>";
600149be 286 return;
4c654ee3 287 } else {
288 echo "<P ALIGN=CENTER><FONT SIZE=1>";
289 echo get_string("yourlastlogin").":<BR>";
290 echo userdate($USER->lastlogin, "%A, %e %b %Y, %H:%M");
291 echo "</FONT></P>";
600149be 292 }
293
294 if (! $logs = get_records_sql("SELECT * FROM log WHERE time > '$USER->lastlogin' AND course = '$course->id' ORDER BY time ASC")) {
295 return;
296 }
297
298
299 // Firstly, have there been any new enrolments?
300
301 $heading = false;
302 $content = false;
303 foreach ($logs as $log) {
304 if ($log->module == "course" and $log->action == "enrol") {
305 if (! $heading) {
4c654ee3 306 print_headline(get_string("newusers").":");
600149be 307 $heading = true;
308 $content = true;
309 }
310 $user = get_record("user", "id", $log->info);
d578afc8 311 if (isstudent($course->id, $user->id)) {
312 echo "<P><FONT SIZE=1><A HREF=\"../user/view.php?id=$user->id&course=$course->id\">$user->firstname $user->lastname</A></FONT></P>";
313 }
600149be 314 }
315 }
316
317 // Next, have there been any changes to the course structure?
318
600149be 319 foreach ($logs as $log) {
320 if ($log->module == "course") {
321 if ($log->action == "add mod" or $log->action == "update mod" or $log->action == "delete mod") {
600149be 322 $info = split(" ", $log->info);
323 $modname = get_field($info[0], "name", "id", $info[1]);
324
600149be 325 switch ($log->action) {
326 case "add mod":
27038d9f 327 $stradded = get_string("added", "moodle", get_string("modulename", $info[0]));
4c654ee3 328 $changelist["$log->info"] = array ("operation" => "add", "text" => "$stradded:<BR><A HREF=\"$CFG->wwwroot/course/$log->url\">$modname</A>");
600149be 329 break;
330 case "update mod":
27038d9f 331 $strupdated = get_string("updated", "moodle", get_string("modulename", $info[0]));
ef25340c 332 if (! $changelist["$log->info"]) {
4c654ee3 333 $changelist["$log->info"] = array ("operation" => "update", "text" => "$strupdated:<BR><A HREF=\"$CFG->wwwroot/course/$log->url\">$modname</A>");
ef25340c 334 }
600149be 335 break;
336 case "delete mod":
ef25340c 337 if ($changelist["$log->info"]["operation"] == "add") {
338 $changelist["$log->info"] = NULL;
339 } else {
27038d9f 340 $strdeleted = get_string("deletedactivity", "moodle", get_string("modulename", $info[0]));
4c654ee3 341 $changelist["$log->info"] = array ("operation" => "delete", "text" => $strdeleted);
ef25340c 342 }
600149be 343 break;
344 }
ef25340c 345 }
346 }
347 }
348
349 if ($changelist) {
350 foreach ($changelist as $changeinfo => $change) {
351 if ($change) {
352 $changes[$changeinfo] = $change;
353 }
354 }
355 if (count($changes) > 0) {
4c654ee3 356 print_headline(get_string("courseupdates").":");
ef25340c 357 $content = true;
358 foreach ($changes as $changeinfo => $change) {
359 echo "<P><FONT SIZE=1>".$change["text"]."</FONT></P>";
600149be 360 }
361 }
362 }
363
364
3869a2ac 365 // Now display new things from each module
600149be 366
3869a2ac 367 $mods = get_list_of_plugins("mod");
600149be 368
3869a2ac 369 foreach ($mods as $mod) {
370 include_once("$CFG->dirroot/mod/$mod/lib.php");
371 $print_recent_activity = $mod."_print_recent_activity";
372 if (function_exists($print_recent_activity)) {
373 $modcontent = $print_recent_activity($logs, isteacher($course->id));
374 if ($modcontent) {
375 $content = true;
600149be 376 }
600149be 377 }
378 }
379
3869a2ac 380
600149be 381 if (! $content) {
97c270e9 382 echo "<FONT SIZE=2>".get_string("nothingnew")."</FONT>";
600149be 383 }
600149be 384}
385
e1360728 386
e1360728 387
90845098 388function get_all_mods($courseid, &$mods, &$modnames, &$modnamesplural, &$modnamesused) {
389// Returns a number of useful structures for course displays
7468bf01 390
90845098 391 $mods = NULL; // course modules indexed by id
392 $modnames = NULL; // all course module names
94361e02 393 $modnamesplural= NULL; // all course module names (plural form)
90845098 394 $modnamesused = NULL; // course module names used
7468bf01 395
90845098 396 if ($allmods = get_records_sql("SELECT * FROM modules") ) {
397 foreach ($allmods as $mod) {
398 $modnames[$mod->name] = get_string("modulename", "$mod->name");
399 $modnamesplural[$mod->name] = get_string("modulenameplural", "$mod->name");
400 }
401 asort($modnames);
402 } else {
403 error("No modules are installed!");
404 }
405
406 if ($rawmods = get_records_sql("SELECT cm.*, m.name as modname
407 FROM modules m, course_modules cm
408 WHERE cm.course = '$courseid'
409 AND cm.deleted = '0'
94361e02 410 AND cm.module = m.id ") ) {
7468bf01 411 foreach($rawmods as $mod) { // Index the mods
412 $mods[$mod->id] = $mod;
90845098 413 $mods[$mod->id]->modfullname = $modnames[$mod->modname];
414 $modnamesused[$mod->modname] = $modnames[$mod->modname];
7468bf01 415 }
90845098 416 asort($modnamesused);
7468bf01 417 }
7468bf01 418}
419
420function get_all_sections($courseid) {
421
422 return get_records_sql("SELECT section, id, course, summary, sequence
423 FROM course_sections
424 WHERE course = '$courseid'
425 ORDER BY section");
426}
427
ba2e5d73 428function get_all_categories() {
429 return get_records_sql("SELECT * FROM course_categories ORDER by name");
430}
431
19a55d67 432function print_section($courseid, $section, $mods, $modnamesused, $absolute=false, $width="100%") {
94361e02 433 global $CFG;
434
435
19a55d67 436 echo "<TABLE WIDTH=\"$width\"><TR><TD>\n";
94361e02 437 if ($section->sequence) {
438
439 $sectionmods = explode(",", $section->sequence);
440
441 foreach ($sectionmods as $modnumber) {
442 $mod = $mods[$modnumber];
443 $instancename = get_field("$mod->modname", "name", "id", "$mod->instance");
444 echo "<IMG SRC=\"$CFG->wwwroot/mod/$mod->modname/icon.gif\" HEIGHT=16 WIDTH=16 ALT=\"$mod->modfullname\">";
a7ad3ea6 445 echo " <FONT SIZE=2><A TITLE=\"$mod->modfullname\"";
446 echo " HREF=\"$CFG->wwwroot/mod/$mod->modname/view.php?id=$mod->id\">$instancename</A></FONT>";
94361e02 447 if (isediting($courseid)) {
448 echo make_editing_buttons($mod->id, $absolute);
449 }
450 echo "<BR>\n";
451 }
452 }
47ef8795 453 echo "</TD></TR></TABLE><BR>\n\n";
a7ad3ea6 454}
455
ee1ddef6 456function print_side_block($heading="", $list=NULL, $footer="", $icons=NULL, $width=180) {
a7ad3ea6 457
19a55d67 458 echo "<TABLE WIDTH=\"$width\">\n";
a7ad3ea6 459 echo "<TR><TD COLSPAN=2><P><B><FONT SIZE=2>$heading</TD></TR>\n";
460 if ($list) {
461 foreach($list as $key => $string) {
462 echo "<TR><TD VALIGN=top WIDTH=12>";
463 if ($icons[$key]) {
464 echo $icons[$key];
465 } else {
466 echo "";
467 }
468 echo "</TD>\n<TD WIDTH=100% VALIGN=top>";
469 echo "<P><FONT SIZE=2>$string</FONT></P>";
470 echo "</TD></TR>\n";
471 }
472 }
473 if ($footer) {
474 echo "<TR><TD></TD><TD ALIGN=left><P><FONT SIZE=2>$footer</TD></TR>\n";
475 }
476 echo "</TABLE><BR>\n\n";
94361e02 477}
478
670fddf1 479function print_admin_links ($siteid, $width=180) {
2b25f2a0 480 global $THEME, $CFG;
481
19a55d67 482 print_simple_box(get_string("administration"), $align="CENTER", $width, $color="$THEME->cellheading");
2b25f2a0 483 $icon = "<IMG SRC=\"$CFG->wwwroot/pix/i/settings.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
74944b73 484 $moddata[]="<A HREF=\"$CFG->wwwroot/admin/config.php\">".get_string("configvariables")."</A>";
2b25f2a0 485 $modicon[]=$icon;
486 $moddata[]="<A HREF=\"$CFG->wwwroot/admin/site.php\">".get_string("sitesettings")."</A>";
487 $modicon[]=$icon;
74944b73 488 $moddata[]="<A HREF=\"$CFG->wwwroot/course/log.php?id=$siteid\">".get_string("sitelogs")."</A>";
489 $modicon[]=$icon;
1e3e716f 490 $moddata[]="<A HREF=\"$CFG->wwwroot/theme/index.php\">".get_string("choosetheme")."</A>";
491 $modicon[]=$icon;
31410e9a 492 $moddata[]="<A HREF=\"$CFG->wwwroot/admin/lang.php\">".get_string("checklanguage")."</A>";
493 $modicon[]=$icon;
077f9a67 494 if (file_exists("$CFG->dirroot/admin/$CFG->dbtype")) {
495 $moddata[]="<A HREF=\"$CFG->wwwroot/admin/$CFG->dbtype/\">".get_string("managedatabase")."</A>";
496 $modicon[]=$icon;
497 }
74944b73 498 $moddata[]="<HR>";
499 $modicon[]="";
2b25f2a0 500 $moddata[]="<A HREF=\"$CFG->wwwroot/course/edit.php\">".get_string("addnewcourse")."</A>";
501 $modicon[]=$icon;
ba2e5d73 502 $moddata[]="<A HREF=\"$CFG->wwwroot/course/categories.php\">".get_string("categories")."</A>";
503 $modicon[]=$icon;
2b25f2a0 504 $moddata[]="<A HREF=\"$CFG->wwwroot/course/teacher.php\">".get_string("assignteachers")."</A>";
505 $modicon[]=$icon;
506 $moddata[]="<A HREF=\"$CFG->wwwroot/course/delete.php\">".get_string("deletecourse")."</A>";
507 $modicon[]=$icon;
74944b73 508 $moddata[]="<HR>";
509 $modicon[]="";
2b25f2a0 510 $moddata[]="<A HREF=\"$CFG->wwwroot/admin/user.php?newuser=true\">".get_string("addnewuser")."</A>";
511 $modicon[]=$icon;
512 $moddata[]="<A HREF=\"$CFG->wwwroot/admin/user.php\">".get_string("edituser")."</A>";
513 $modicon[]=$icon;
514 $fulladmin = "<P><A HREF=\"$CFG->wwwroot/admin/\">".get_string("admin")."</A>...";
19a55d67 515 print_side_block("", $moddata, "$fulladmin", $modicon, $width);
516 echo "<IMG SRC=\"$CFG->wwwroot/pix/spacer.gif\" WIDTH=\"$width\" HEIGHT=1><BR>";
2b25f2a0 517}
518
b4d7002e 519function print_course_admin_links($course, $width=180) {
44dad735 520 global $THEME, $CFG;
521
522 echo "<BR>";
523 $adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/edit.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
b4d7002e 524 if (isediting($course->id)) {
525 $admindata[]="<A HREF=\"view.php?id=$course->id&edit=off\">".get_string("turneditingoff")."</A>";
44dad735 526 } else {
b4d7002e 527 $admindata[]="<A HREF=\"view.php?id=$course->id&edit=on\">".get_string("turneditingon")."</A>";
528 }
529 $admindata[]="<A HREF=\"edit.php?id=$course->id\">".get_string("settings")."...</A>";
530 $adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/settings.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
531 if (!$course->teachers) {
532 $course->teachers = get_string("defaultcourseteachers");
44dad735 533 }
b4d7002e 534 $admindata[]="<A HREF=\"teachers.php?id=$course->id\">$course->teachers...</A>";
44dad735 535 $adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/settings.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
b4d7002e 536
3486b7be 537 $admindata[]="<A HREF=\"grades.php?id=$course->id\">".get_string("grades")."...</A>";
538 $adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/grades.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
539
b4d7002e 540 $admindata[]="<A HREF=\"log.php?id=$course->id\">".get_string("logs")."...</A>";
44dad735 541 $adminicon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/log.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
b4d7002e 542 $admindata[]="<A HREF=\"$CFG->wwwroot/files/index.php?id=$course->id\">".get_string("files")."...</A>";
44dad735 543 $adminicon[]="<IMG SRC=\"$CFG->wwwroot/files/pix/files.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
544
b4d7002e 545 $admindata[]="<A HREF=\"$CFG->wwwroot/doc/view.php?id=$course->id&file=teacher.html\">".get_string("help")."...</A>";
2a439ba7 546 $adminicon[]="<IMG SRC=\"$CFG->wwwroot/mod/resource/icon.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
44dad735 547
b4d7002e 548
549 if ($teacherforum = forum_get_course_forum($course->id, "teacher")) {
550 $admindata[]="<A HREF=\"$CFG->wwwroot/mod/forum/view.php?f=$teacherforum->id\">".get_string("nameteacher", "forum")."</A>";
44dad735 551 $adminicon[]="<IMG SRC=\"$CFG->wwwroot/mod/forum/icon.gif\" HEIGHT=16 WIDTH=16 ALT=\"\">";
552 }
553
19a55d67 554 print_simple_box(get_string("administration"), $align="CENTER", $width, $color="$THEME->cellheading");
555 print_side_block("", $admindata, "", $adminicon, $width);
44dad735 556}
2b25f2a0 557
ba2e5d73 558function print_course_categories($categories, $selected="none", $width=180) {
0a263205 559 global $CFG, $THEME, $USER;
ba2e5d73 560
0c656181 561 if ($selected == "index") { // Print comprehensive index of categories with courses
562 if ($courses = get_records_sql("SELECT * FROM course WHERE category > 0 ORDER BY shortname")) {
563 if (isset($USER->id) and !isadmin()) {
564 print_simple_box_start("LEFT", "100%");
565 print_heading("<A HREF=\"course/index.php?category=my\">".get_string("mycourses")."</A>", "LEFT");
566 $some = false;
567 echo "<UL>";
568 foreach ($courses as $key => $course) {
569 if (isteacher($course->id) or isstudent($course->id)) {
570 echo "<IMG SRC=\"$CFG->wwwroot/pix/i/course.gif\" HEIGHT=16 WIDTH=16>&nbsp;<A HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</A> &nbsp; ";
571 $some = true;
572 }
573 }
574 if (!$some) {
575 print_string("nocoursesyet");
576 }
577 echo "</UL>";
578 print_simple_box_end();
579 print_spacer(8,1);
580 }
581 foreach ($categories as $category) {
582 print_simple_box_start("LEFT", "100%");
7ef459eb 583 print_heading("<A HREF=\"course/index.php?category=$category->id\">$category->name</A>", "LEFT");
0c656181 584 $some = false;
585 echo "<UL>";
586 foreach ($courses as $key => $course) {
587 if ($course->category == $category->id) {
588 echo "<IMG SRC=\"$CFG->wwwroot/pix/i/course.gif\" HEIGHT=16 WIDTH=16>&nbsp;<A HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</A> &nbsp; ";
589 unset($courses[$key]);
590 $some = true;
591 }
592 }
593 if (!$some) {
594 print_string("nocoursesyet");
595 }
596 echo "</UL>";
597 print_simple_box_end();
598 print_spacer(8,1);
599 }
ba2e5d73 600 }
0c656181 601
602 } else { // Print short list of categories only
603 foreach ($categories as $cat) {
604 $caticon[]="<IMG SRC=\"$CFG->wwwroot/pix/i/course.gif\" HEIGHT=16 WIDTH=16>";
605 if ($cat->id == $selected) {
606 $catdata[]="$cat->name";
607 } else {
608 $catdata[]="<A HREF=\"$CFG->wwwroot/course/index.php?category=$cat->id\">$cat->name</A>";
609 }
610 }
611 $catdata[] = "<A HREF=\"$CFG->wwwroot/course/index.php?category=all\">".get_string("fulllistofcourses")."</A>";
612 if (isset($USER->id)) {
613 $catdata[] = "<A HREF=\"$CFG->wwwroot/course/index.php?category=my\">".get_string("mycourses")."</A>";
614 }
615 print_side_block("", $catdata, $showall.$mine, $caticon, $width);
ba2e5d73 616 }
ba2e5d73 617}
94361e02 618
2b8cef80 619function print_log_graph($course, $userid=0, $type="course.png", $date=0) {
620 global $CFG;
621 echo "<IMG BORDER=0 SRC=\"$CFG->wwwroot/course/loggraph.php?id=$course->id&user=$userid&type=$type&date=$date\">";
622}
623
11b0c469 624
625
626/// MODULE FUNCTIONS /////////////////////////////////////////////////////////////////
627
628function add_course_module($mod) {
629 GLOBAL $db;
630
631 $timenow = time();
632
633 if (!$rs = $db->Execute("INSERT into course_modules
634 SET course = '$mod->course',
635 module = '$mod->module',
636 instance = '$mod->instance',
637 section = '$mod->section',
638 added = '$timenow' ")) {
639 return 0;
640 }
641
642 // Get it out again - this is the most compatible way to determine the ID
643 if ($rs = $db->Execute("SELECT id FROM course_modules
644 WHERE module = $mod->module AND added = $timenow")) {
645 return $rs->fields[0];
646 } else {
647 return 0;
648 }
649
650}
651
652function add_mod_to_section($mod) {
653// Returns the course_sections ID where the mod is inserted
654 GLOBAL $db;
655
656 if ($cw = get_record_sql("SELECT * FROM course_sections
657 WHERE course = '$mod->course' AND section = '$mod->section'") ) {
658
659 if ($cw->sequence) {
660 $newsequence = "$cw->sequence,$mod->coursemodule";
661 } else {
662 $newsequence = "$mod->coursemodule";
663 }
664 if (!$rs = $db->Execute("UPDATE course_sections SET sequence = '$newsequence' WHERE id = '$cw->id'")) {
665 return 0;
666 } else {
667 return $cw->id; // Return course_sections ID that was used.
668 }
669
670 } else { // Insert a new record
671 if (!$rs = $db->Execute("INSERT into course_sections
672 SET course = '$mod->course',
673 section = '$mod->section',
674 summary = '',
675 sequence = '$mod->coursemodule' ")) {
676 return 0;
677 }
678 // Get it out again - this is the most compatible way to determine the ID
679 if ($rs = $db->Execute("SELECT id FROM course_sections
680 WHERE course = '$mod->course' AND section = '$mod->section'")) {
681 return $rs->fields[0];
682 } else {
683 return 0;
684 }
685 }
686}
687
688function delete_course_module($mod) {
689 return set_field("course_modules", "deleted", 1, "id", $mod);
690}
691
692function delete_mod_from_section($mod, $section) {
693 GLOBAL $db;
694
695 if ($cw = get_record("course_sections", "id", "$section") ) {
696
697 $modarray = explode(",", $cw->sequence);
698
699 if ($key = array_keys ($modarray, $mod)) {
700 array_splice($modarray, $key[0], 1);
701 $newsequence = implode(",", $modarray);
702 return set_field("course_sections", "sequence", $newsequence, "id", $cw->id);
703 } else {
704 return false;
705 }
706
707 } else {
708 return false;
709 }
710}
711
712
713function move_module($id, $move) {
714 GLOBAL $db;
715
716 if (!$move) {
717 return true;
718 }
719
720 if (! $cm = get_record("course_modules", "id", $id)) {
721 error("This course module doesn't exist");
722 }
723
724 if (! $thissection = get_record("course_sections", "id", $cm->section)) {
725 error("This course section doesn't exist");
726 }
727
728 $mods = explode(",", $thissection->sequence);
729
730 $len = count($mods);
731 $pos = array_keys($mods, $cm->id);
732 $thepos = $pos[0];
733
734 if ($len == 0 || count($pos) == 0 ) {
735 error("Very strange. Could not find the required module in this section.");
736 }
737
738 if ($len == 1) {
739 $first = true;
740 $last = true;
741 } else {
742 $first = ($thepos == 0);
743 $last = ($thepos == $len - 1);
744 }
745
746 if ($move < 0) { // Moving the module up
747
748 if ($first) {
749 if ($thissection->section == 1) { // First section, do nothing
750 return true;
751 } else { // Push onto end of previous section
752 $prevsectionnumber = $thissection->section - 1;
753 if (! $prevsection = get_record_sql("SELECT * FROM course_sections
754 WHERE course='$thissection->course'
755 AND section='$prevsectionnumber' ")) {
756 error("Previous section ($prevsection->id) doesn't exist");
757 }
758
759 if ($prevsection->sequence) {
760 $newsequence = "$prevsection->sequence,$cm->id";
761 } else {
762 $newsequence = "$cm->id";
763 }
764
765 if (! set_field("course_sections", "sequence", $newsequence, "id", $prevsection->id)) {
766 error("Previous section could not be updated");
767 }
768
769 if (! set_field("course_modules", "section", $prevsection->id, "id", $cm->id)) {
770 error("Module could not be updated");
771 }
772
773 array_splice($mods, 0, 1);
774 $newsequence = implode(",", $mods);
775 if (! set_field("course_sections", "sequence", $newsequence, "id", $thissection->id)) {
776 error("Module could not be updated");
777 }
778
779 return true;
780
781 }
782 } else { // move up within this section
783 $swap = $mods[$thepos-1];
784 $mods[$thepos-1] = $mods[$thepos];
785 $mods[$thepos] = $swap;
786
787 $newsequence = implode(",", $mods);
788 if (! set_field("course_sections", "sequence", $newsequence, "id", $thissection->id)) {
789 error("This section could not be updated");
790 }
791 return true;
792 }
793
794 } else { // Moving the module down
795
796 if ($last) {
797 $nextsectionnumber = $thissection->section + 1;
798 if ($nextsection = get_record_sql("SELECT * FROM course_sections
799 WHERE course='$thissection->course'
800 AND section='$nextsectionnumber' ")) {
801
802 if ($nextsection->sequence) {
803 $newsequence = "$cm->id,$nextsection->sequence";
804 } else {
805 $newsequence = "$cm->id";
806 }
807
808 if (! set_field("course_sections", "sequence", $newsequence, "id", $nextsection->id)) {
809 error("Next section could not be updated");
810 }
811
812 if (! set_field("course_modules", "section", $nextsection->id, "id", $cm->id)) {
813 error("Module could not be updated");
814 }
815
816 array_splice($mods, $thepos, 1);
817 $newsequence = implode(",", $mods);
818 if (! set_field("course_sections", "sequence", $newsequence, "id", $thissection->id)) {
819 error("This section could not be updated");
820 }
821 return true;
822
823 } else { // There is no next section, so just return
824 return true;
825
826 }
827 } else { // move down within this section
828 $swap = $mods[$thepos+1];
829 $mods[$thepos+1] = $mods[$thepos];
830 $mods[$thepos] = $swap;
831
832 $newsequence = implode(",", $mods);
833 if (! set_field("course_sections", "sequence", $newsequence, "id", $thissection->id)) {
834 error("This section could not be updated");
835 }
836 return true;
837 }
838 }
839}
840
94361e02 841function make_editing_buttons($moduleid, $absolute=false) {
842 global $CFG;
843
90845098 844 $delete = get_string("delete");
845 $moveup = get_string("moveup");
846 $movedown = get_string("movedown");
847 $update = get_string("update");
94361e02 848
849 if ($absolute) {
850 $path = "$CFG->wwwroot/course/";
851 } else {
852 $path = "";
853 }
90845098 854 return "&nbsp; &nbsp;
97c270e9 855 <A TITLE=\"$delete\" HREF=\"".$path."mod.php?delete=$moduleid\"><IMG
856 SRC=".$path."../pix/t/delete.gif BORDER=0></A>
857 <A TITLE=\"$moveup\" HREF=\"".$path."mod.php?id=$moduleid&move=-1\"><IMG
858 SRC=".$path."../pix/t/up.gif BORDER=0></A>
859 <A TITLE=\"$movedown\" HREF=\"".$path."mod.php?id=$moduleid&move=1\"><IMG
860 SRC=".$path."../pix/t/down.gif BORDER=0></A>
861 <A TITLE=\"$update\" HREF=\"".$path."mod.php?update=$moduleid\"><IMG
862 SRC=".$path."../pix/t/edit.gif BORDER=0></A>";
90845098 863}
864
f9903ed0 865?>