1: # The LearningOnline Network with CAPA
2: # The LON-CAPA Homework handler
3: #
4: # $Id: lonhomework.pm,v 1.344.2.10.4.4 2023/12/29 23:45:18 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27:
28:
29: package Apache::lonhomework;
30: use strict;
31: use Apache::style();
32: use Apache::lonxml();
33: use Apache::lonnet;
34: use Apache::lonplot();
35: use Apache::inputtags();
36: use Apache::structuretags();
37: use Apache::randomlabel();
38: use Apache::response();
39: use Apache::hint();
40: use Apache::outputtags();
41: use Apache::caparesponse();
42: use Apache::radiobuttonresponse();
43: use Apache::optionresponse();
44: use Apache::imageresponse();
45: use Apache::essayresponse();
46: use Apache::externalresponse();
47: use Apache::rankresponse();
48: use Apache::matchresponse();
49: use Apache::chemresponse();
50: use Apache::functionplotresponse();
51: use Apache::drawimage();
52: use Apache::loncourseuser();
53: use Apache::grades();
54: use Apache::Constants qw(:common);
55: use Apache::loncommon();
56: use Apache::lonparmset();
57: use Apache::lonnavmaps();
58: use Apache::lonlocal;
59: use LONCAPA qw(:DEFAULT :match);
60: use LONCAPA::ltiutils();
61: use Time::HiRes qw( gettimeofday tv_interval );
62: use HTML::Entities();
63: use File::Copy();
64:
65: # FIXME - improve commenting
66:
67: my $registered_cleanup;
68:
69: BEGIN {
70: &Apache::lonxml::register_insert();
71: }
72:
73:
74: =pod
75:
76: =item set_bubble_lines()
77:
78: Called at analysis time to set the bubble lines
79: hash for the problem.. This should be called in the
80: end_problemtype tag in analysis mode.
81:
82: We fetch the hash of part id counters from lonxml
83: and push them into analyze:{part_id.bubble_lines}.
84:
85: =cut
86:
87: sub set_bubble_lines {
88: my %bubble_counters = &Apache::lonxml::get_bubble_line_hash();
89:
90: foreach my $key (keys(%bubble_counters)) {
91: $Apache::lonhomework::analyze{"$key.bubble_lines"} =
92: $bubble_counters{"$key"};
93: }
94: }
95:
96: #
97: # Decides what targets to render for.
98: # Implicit inputs:
99: # Various session environment variables:
100: # request.state - published - is a /res/ resource
101: # uploaded - is a /uploaded/ resource
102: # contruct - is a /priv/ resource
103: # form.grade_target - a form parameter requesting a specific target
104: sub get_target {
105: &Apache::lonxml::debug("request.state = $env{'request.state'}");
106: if( defined($env{'form.grade_target'})) {
107: &Apache::lonxml::debug("form.grade_target= $env{'form.grade_target'}");
108: } else {
109: &Apache::lonxml::debug("form.grade_target <undefined>");
110: }
111: if (($env{'request.state'} eq "published") ||
112: ($env{'request.state'} eq "uploaded")) {
113: if ( defined($env{'form.grade_target'} )
114: && ($env{'form.grade_target'} eq 'tex')) {
115: return ($env{'form.grade_target'});
116: } elsif ( defined($env{'form.grade_target'} )
117: && ($Apache::lonhomework::viewgrades eq 'F' )) {
118: return ($env{'form.grade_target'});
119: } elsif ( $env{'form.grade_target'} eq 'webgrade'
120: && ($Apache::lonhomework::queuegrade eq 'F' )) {
121: return ($env{'form.grade_target'});
122: } elsif ($env{'form.grade_target'} eq 'answer') {
123: if ($env{'form.answer_output_mode'} eq 'tex') {
124: return ($env{'form.grade_target'});
125: }
126: }
127: if ($env{'form.webgrade'} &&
128: ($Apache::lonhomework::modifygrades eq 'F'
129: || $Apache::lonhomework::queuegrade eq 'F' )) {
130: return ('grade','webgrade');
131: }
132: if ( defined($env{'form.submitted'}) &&
133: ( !defined($env{'form.newrandomization'}))) {
134: return ('grade', 'web');
135: } else {
136: return ('web');
137: }
138: } elsif ($env{'request.state'} eq "construct") {
139: #
140: # We are in construction space, editing and testing problems
141: #
142: if ( defined($env{'form.grade_target'}) ) {
143: return ($env{'form.grade_target'});
144: }
145: if ( defined($env{'form.preview'})) {
146: if ( defined($env{'form.submitted'})) {
147: #
148: # We are doing a problem preview
149: #
150: return ('grade', 'web');
151: } else {
152: return ('web');
153: }
154: } else {
155: if ($env{'form.problemstate'} eq 'WEB_GRADE') {
156: return ('grade','webgrade','answer');
157: } elsif ($env{'form.problemmode'} eq 'view') {
158: return ('grade','web','answer');
159: } elsif ($env{'form.problemmode'} eq 'saveview') {
160: return ('modified','web','answer');
161: } elsif ($env{'form.problemmode'} eq 'discard') {
162: return ('web','answer');
163: } elsif (($env{'form.problemmode'} eq 'saveedit') ||
164: ($env{'form.problemmode'} eq 'undo')) {
165: return ('modified','no_output_web','edit');
166: } elsif ($env{'form.problemmode'} eq 'edit') {
167: return ('no_output_web','edit');
168: } else {
169: return ('web');
170: }
171: }
172: #
173: # End of Authoring Space
174: #
175: }
176: #
177: # Huh? We are nowhere, so do nothing.
178: #
179: return ();
180: }
181:
182: sub setup_vars {
183: my ($target) = @_;
184: return ';'
185: # return ';$external::target='.$target.';';
186: }
187:
188: sub proctor_checked_in {
189: my ($slot_name,$slot,$type)=@_;
190: my @possible_proctors=split(",",$slot->{'proctor'});
191:
192: return 1 if (!@possible_proctors);
193:
194: my $key;
195: if ($type eq 'Task') {
196: my $version=$Apache::lonhomework::history{'resource.0.version'};
197: $key ="resource.$version.0.checkedin";
198: } elsif (($type eq 'problem') || ($type eq 'tool')) {
199: $key ='resource.0.checkedin';
200: }
201: # backward compatability, used to be username@domain,
202: # now is username:domain
203: my $who = $Apache::lonhomework::history{$key};
204: if ($who !~ /:/) {
205: $who =~ tr/@/:/;
206: }
207: foreach my $possible (@possible_proctors) {
208: if ($who eq $possible
209: && $Apache::lonhomework::history{$key.'.slot'} eq $slot_name) {
210: return 1;
211: }
212: }
213: return 0;
214: }
215:
216: sub check_slot_access {
217: my ($id,$type,$symb,$partlist)=@_;
218:
219: # does it pass normal muster
220: my ($status,$datemsg)=&check_access($id,$symb);
221:
222: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
223: if ($useslots ne 'resource' && $useslots ne 'map'
224: && $useslots ne 'map_map') {
225: return ($status,$datemsg);
226: }
227:
228: if ($status eq 'SHOW_ANSWER' ||
229: $status eq 'CLOSED' ||
230: $status eq 'INVALID_ACCESS' ||
231: $status eq 'UNAVAILABLE') {
232: return ($status,$datemsg);
233: }
234: if ($env{'request.state'} eq "construct") {
235: return ($status,$datemsg);
236: }
237:
238: if ($type eq 'Task') {
239: my $version=$Apache::lonhomework::history{'resource.version'};
240: if ($Apache::lonhomework::history{"resource.$version.0.checkedin"} &&
241: $Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass') {
242: return ('SHOW_ANSWER');
243: }
244: } elsif (($type eq 'problem') &&
245: ($Apache::lonhomework::browse eq 'F') &&
246: ($ENV{'REMOTE_ADDR'} eq '127.0.0.1') &&
247: ($env{'form.grade_courseid'} eq $env{'request.course.id'}) &&
248: (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}))) {
249: return ($status,$datemsg);
250: }
251:
252: my $availablestudent = &Apache::lonnet::EXT("resource.0.availablestudent",$symb);
253: my $available = &Apache::lonnet::EXT("resource.0.available",$symb);
254: my @slots= (split(':',$availablestudent),split(':',$available));
255:
256: # if (!@slots) {
257: # return ($status,$datemsg);
258: # }
259: my $slotstatus='NOT_IN_A_SLOT';
260: my ($returned_slot,$slot_name);
261: my $now = time;
262: my $num_usable_slots = 0;
263: unless ($symb) {
264: ($symb) = &Apache::lonnet::whichuser();
265: }
266: foreach my $slot (@slots) {
267: $slot =~ s/(^\s*|\s*$)//g;
268: &Apache::lonxml::debug("getting $slot");
269: my %slot=&Apache::lonnet::get_slot($slot);
270: &Apache::lonhomework::showhash(%slot);
271: next if ($slot{'endtime'} < $now);
272: $num_usable_slots ++;
273: if ($slot{'starttime'} < $now &&
274: $slot{'endtime'} > $now &&
275: &Apache::loncommon::check_ip_acc($slot{'ip'})) {
276: &Apache::lonxml::debug("$slot is good");
277: $slotstatus='NEEDS_CHECKIN';
278: $returned_slot=\%slot;
279: $slot_name=$slot;
280: last;
281: }
282: }
283: if ($slotstatus eq 'NEEDS_CHECKIN' &&
284: &proctor_checked_in($slot_name,$returned_slot,$type)) {
285: &Apache::lonxml::debug("proctor checked in");
286: $slotstatus=$status;
287: }
288:
289: my ($is_correct,$got_grade,$checkin,$checkinslot,$checkedin,$consumed_uniq);
290: if ($type eq 'Task') {
291: my $version=$Apache::lonhomework::history{'resource.0.version'};
292: $checkin = "resource.$version.0.checkedin";
293: $got_grade =
294: ($Apache::lonhomework::history{"resource.$version.0.status"}
295: =~ /^(?:pass|fail)$/);
296: $is_correct =
297: ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass'
298: || $Apache::lonhomework::history{"resource.0.solved"} =~ /^correct_/ );
299: $checkedin =
300: $Apache::lonhomework::history{"resource.$version.0.checkedin"};
301: } elsif (($type eq 'problem') || ($type eq 'tool')) {
302: $checkin = 'resource.0.checkedin';
303: $checkedin = $Apache::lonhomework::history{$checkin};
304: }
305: if ($checkedin) {
306: $checkinslot = $Apache::lonhomework::history{"$checkin.slot"};
307: my %slot=&Apache::lonnet::get_slot($checkinslot);
308: $consumed_uniq = $slot{'uniqueperiod'};
309: }
310: if (($type eq 'problem') || ($type eq 'tool')) {
311: if ((ref($partlist) eq 'ARRAY') && (@{$partlist} > 0)) {
312: my ($numcorrect,$numgraded) = (0,0);
313: foreach my $part (@{$partlist}) {
314: my $currtries = $Apache::lonhomework::history{"resource.$part.tries"};
315: my $maxtries = &Apache::lonnet::EXT("resource.$part.maxtries",$symb);
316: my $probstatus = &Apache::structuretags::get_problem_status($part);
317: my $earlyout;
318: unless (($probstatus eq 'no') ||
319: ($probstatus eq 'no_feedback_ever')) {
320: if ($Apache::lonhomework::history{"resource.$part.solved"} =~/^correct_/) {
321: $numcorrect ++;
322: } else {
323: $earlyout = 1;
324: }
325: }
326: if ($currtries == $maxtries) {
327: $earlyout = 1;
328: } else {
329: $numgraded ++;
330: }
331: last if ($earlyout);
332: }
333: my $numparts = scalar(@{$partlist});
334: if ($numparts == $numcorrect) {
335: $is_correct = 1;
336: }
337: if ($numparts == $numgraded) {
338: $got_grade = 1;
339: }
340: } else {
341: my $currtries = $Apache::lonhomework::history{"resource.0.tries"};
342: my $maxtries = &Apache::lonnet::EXT("resource.0.maxtries",$symb);
343: my $probstatus = &Apache::structuretags::get_problem_status('0');
344: unless (($probstatus eq 'no') ||
345: ($probstatus eq 'no_feedback_ever')) {
346: $is_correct =
347: ($Apache::lonhomework::history{"resource.0.solved"} =~/^correct_/);
348: }
349: unless (($currtries == $maxtries) || ($is_correct)) {
350: $got_grade = 1;
351: }
352: }
353: }
354:
355: &Apache::lonxml::debug(" slot is $slotstatus checkedin ($checkedin) got_grade ($got_grade) is_correct ($is_correct)");
356:
357: # no slot is currently open, and has been checked in for this version
358: # but hasn't got a grade, therefore must be awaiting a grade
359: if (!defined($slot_name)
360: && $checkedin
361: && !$got_grade) {
362: return ('WAITING_FOR_GRADE');
363: }
364:
365: # Previously used slot is no longer open, and has been checked in for this version.
366: # However, the problem is not closed, and potentially, another slot might be
367: # used to gain access to it to work on it, until the due date is reached, and the
368: # problem then becomes CLOSED. Therefore return the slotstatus -
369: # (which will be one of: NOT_IN_A_SLOT, RESERVABLE, RESERVABLE_LATER, or NOTRESERVABLE).
370:
371: if (!defined($slot_name) && (($type eq 'problem') || ($type eq 'tool'))) {
372: if ($slotstatus eq 'NOT_IN_A_SLOT') {
373: if (!$num_usable_slots) {
374: if ($env{'request.course.id'}) {
375: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
376: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
377: $slotstatus = 'NOTRESERVABLE';
378: my ($reservable_now_order,$reservable_now,$reservable_future_order,
379: $reservable_future) =
380: &Apache::loncommon::get_future_slots($cnum,$cdom,$now,$symb);
381: if ((ref($reservable_now_order) eq 'ARRAY') && (ref($reservable_now) eq 'HASH')) {
382: if (@{$reservable_now_order} > 0) {
383: if ((!$checkedin) || (ref($consumed_uniq) ne 'ARRAY')) {
384: $slotstatus = 'RESERVABLE';
385: $datemsg = $reservable_now->{$reservable_now_order->[-1]}{'endreserve'};
386: } else {
387: my ($uniqstart,$uniqend,$useslot);
388: if (ref($consumed_uniq) eq 'ARRAY') {
389: ($uniqstart,$uniqend)=@{$consumed_uniq};
390: }
391: foreach my $slot (reverse(@{$reservable_now_order})) {
392: if ($reservable_now->{$slot}{'uniqueperiod'} =~ /^(\d+)\,(\d+)$/) {
393: my ($new_uniq_start,$new_uniq_end) = ($1,$2);
394: next if (!
395: ($uniqstart < $new_uniq_start && $uniqend < $new_uniq_start) ||
396: ($uniqstart > $new_uniq_end && $uniqend > $new_uniq_end ));
397: }
398: $useslot = $slot;
399: last;
400: }
401: if ($useslot) {
402: $slotstatus = 'RESERVABLE';
403: $datemsg = $reservable_now->{$useslot}{'endreserve'};
404: }
405: }
406: }
407: }
408: unless ($slotstatus eq 'RESERVABLE') {
409: if ((ref($reservable_future_order) eq 'ARRAY') && (ref($reservable_future) eq 'HASH')) {
410: if (@{$reservable_future_order} > 0) {
411: if ((!$checkedin) || (ref($consumed_uniq) ne 'ARRAY')) {
412: $slotstatus = 'RESERVABLE_LATER';
413: $datemsg = $reservable_future->{$reservable_future_order->[0]}{'startreserve'};
414: } else {
415: my ($uniqstart,$uniqend,$useslot);
416: if (ref($consumed_uniq) eq 'ARRAY') {
417: ($uniqstart,$uniqend)=@{$consumed_uniq};
418: }
419: foreach my $slot (@{$reservable_future_order}) {
420: if ($reservable_future->{$slot}{'uniqueperiod'} =~ /^(\d+),(\d+)$/) {
421: my ($new_uniq_start,$new_uniq_end) = ($1,$2);
422: next if (!
423: ($uniqstart < $new_uniq_start && $uniqend < $new_uniq_start) ||
424: ($uniqstart > $new_uniq_end && $uniqend > $new_uniq_end ));
425: }
426: $useslot = $slot;
427: last;
428: }
429: if ($useslot) {
430: $slotstatus = 'RESERVABLE_LATER';
431: $datemsg = $reservable_future->{$useslot}{'startreserve'};
432: }
433: }
434: }
435: }
436: }
437: }
438: }
439: }
440: return ($slotstatus,$datemsg);
441: }
442:
443: if ($slotstatus eq 'NOT_IN_A_SLOT'
444: && $checkedin ) {
445:
446: if ($got_grade) {
447: return ('SHOW_ANSWER');
448: } else {
449: return ('WAITING_FOR_GRADE');
450: }
451:
452: }
453:
454: if ( $is_correct) {
455: if (($type eq 'problem') || ($type eq 'tool')) {
456: return ($status);
457: }
458: return ('SHOW_ANSWER');
459: }
460:
461: if ( $status eq 'CANNOT_ANSWER' &&
462: ($slotstatus ne 'NEEDS_CHECKIN' && $slotstatus ne 'NOT_IN_A_SLOT')) {
463: return ($status,$datemsg);
464: }
465:
466: return ($slotstatus,$datemsg,$slot_name,$returned_slot);
467: }
468:
469: # JB, 9/24/2002: Any changes in this function may require a change
470: # in lonnavmaps::resource::getDateStatus.
471: sub check_access {
472: my ($id,$symb) = @_;
473: my $date ='';
474: my $status;
475: my $datemsg = '';
476: my $lastdate = '';
477: my $type;
478: my $passed;
479:
480: if ($env{'request.state'} eq "construct") {
481: if ($env{'form.problemstate'}) {
482: if ($env{'form.problemstate'} =~ /^CANNOT_ANSWER/) {
483: if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct'
484: && &hide_problem_status())) {
485: return ('CANNOT_ANSWER',
486: &mt('is in this state due to author settings.'));
487: }
488: } else {
489: return ($env{'form.problemstate'},
490: &mt('is in this state due to author settings.'));
491: }
492: }
493: &Apache::lonxml::debug("in construction ignoring dates");
494: $status='CAN_ANSWER';
495: $datemsg=&mt('is in under construction');
496: # return ($status,$datemsg);
497: }
498:
499: &Apache::lonxml::debug("checking for part :$id:");
500: &Apache::lonxml::debug("time:".time);
501:
502: unless ($symb) {
503: ($symb)=&Apache::lonnet::whichuser();
504: }
505: &Apache::lonxml::debug("symb:".$symb);
506: #if ($env{'request.state'} ne "construct" && $symb ne '') {
507: if ($env{'request.state'} ne "construct") {
508: my $idacc = &Apache::lonnet::EXT("resource.$id.acc",$symb);
509: my $allowed=&Apache::loncommon::check_ip_acc($idacc);
510: if (!$allowed && ($Apache::lonhomework::browse ne 'F')) {
511: $status='INVALID_ACCESS';
512: $date=&mt("can not be accessed from your location.");
513: return($status,$date);
514: }
515: if ($env{'form.grade_imsexport'}) {
516: if (($env{'request.course.id'}) &&
517: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
518: return ('SHOW_ANSWER');
519: }
520: }
521: foreach my $temp ("opendate","duedate","answerdate") {
522: $lastdate = $date;
523: if ($temp eq 'duedate') {
524: $date = &due_date($id,$symb);
525: } else {
526: $date = &Apache::lonnet::EXT("resource.$id.$temp",$symb);
527: }
528:
529: my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type",$symb);
530: if ($thistype =~ /^(con_lost|no_such_host)/ ||
531: $date =~ /^(con_lost|no_such_host)/) {
532: $status='UNAVAILABLE';
533: $date=&mt("may open later.");
534: return($status,$date);
535: }
536: if ($thistype eq 'date_interval') {
537: if ($temp eq 'opendate') {
538: $date=&Apache::lonnet::EXT("resource.$id.duedate",$symb)-$date;
539: }
540: if ($temp eq 'answerdate') {
541: $date=&Apache::lonnet::EXT("resource.$id.duedate",$symb)+$date;
542: }
543: }
544: &Apache::lonxml::debug("found :$date: for :$temp:");
545: if ($date eq '') {
546: $date = &mt("an unknown date"); $passed = 0;
547: } elsif ($date eq 'con_lost') {
548: $date = &mt("an indeterminate date"); $passed = 0;
549: } else {
550: if (time < $date) { $passed = 0; } else { $passed = 1; }
551: $date = &Apache::lonlocal::locallocaltime($date);
552: }
553: if (!$passed) { $type=$temp; last; }
554: }
555: &Apache::lonxml::debug("have :$type:$passed:");
556: if ($passed) {
557: $status='SHOW_ANSWER';
558: $datemsg=$date;
559: } elsif ($type eq 'opendate') {
560: $status='CLOSED';
561: $datemsg = &mt('will open on [_1]',$date);
562: } elsif ($type eq 'duedate') {
563: $status='CAN_ANSWER';
564: $datemsg = &mt('is due at [_1]',$date);
565: } elsif ($type eq 'answerdate') {
566: $status='CLOSED';
567: $datemsg = &mt('was due on [_1], and answers will be available on [_2]',
568: $lastdate,$date);
569: }
570: }
571: if ($status eq 'CAN_ANSWER' ||
572: (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED'))) {
573: #check #tries, and if correct.
574: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
575: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries",$symb);
576: if ( $tries eq '' ) { $tries = '0'; }
577: if ( $maxtries eq '' &&
578: $env{'request.state'} ne 'construct') { $maxtries = '2'; }
579: if ($maxtries && $tries >= $maxtries) { $status = 'CANNOT_ANSWER'; }
580: # if (correct and show prob status) or excused then CANNOT_ANSWER
581: if ( ($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/)
582: && (&show_problem_status()) ) {
583: if (($Apache::lonhomework::history{"resource.$id.awarded"} >= 1) ||
584: (&Apache::lonnet::EXT("resource.$id.retrypartial",$symb) !~/^1|on|yes$/i)) {
585: $status = 'CANNOT_ANSWER';
586: }
587: } elsif ($Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) {
588: $status = 'CANNOT_ANSWER';
589: }
590: if ($status eq 'CANNOT_ANSWER'
591: && &show_answer_problem_status()) {
592: $status = 'SHOW_ANSWER';
593: }
594: }
595: if ($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER') {
596: my @interval=&Apache::lonnet::EXT("resource.$id.interval",$symb);
597: &Apache::lonxml::debug("looking for interval @interval");
598: if ($interval[0]) {
599: my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
600: &Apache::lonxml::debug("looking for accesstime $first_access");
601: if (!$first_access) {
602: $status='NOT_YET_VIEWED';
603: my $due_date = &due_date($id,$symb);
604: my $seconds_left = $due_date - time;
605: if ($seconds_left > $interval[0] || $due_date eq '') {
606: $seconds_left = $interval[0];
607: }
608: $datemsg=&seconds_to_human_length($seconds_left);
609: }
610: }
611: }
612:
613: #if (($status ne 'CLOSED') && ($Apache::lonhomework::type eq 'exam') &&
614: # (!$Apache::lonhomework::history{"resource.0.outtoken"})) {
615: # return ('UNCHECKEDOUT','needs to be checked out');
616: #}
617:
618: &Apache::lonxml::debug("sending back :$status:$datemsg:");
619: if (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED')) {
620: &Apache::lonxml::debug("should be allowed to browse a resource when closed");
621: $status='CAN_ANSWER';
622: $datemsg=&mt('is closed but you are allowed to view it');
623: }
624:
625: return ($status,$datemsg);
626: }
627: # this should work exactly like the copy in lonnavmaps.pm
628: sub due_date {
629: my ($part_id,$symb,$udom,$uname)=@_;
630: my $date;
631: my @interval= &Apache::lonnet::EXT("resource.$part_id.interval",$symb,
632: $udom,$uname);
633: &Apache::lonxml::debug("looking for interval $part_id $symb @interval");
634: my $due_date= &Apache::lonnet::EXT("resource.$part_id.duedate",$symb,
635: $udom,$uname);
636: &Apache::lonxml::debug("looking for due_date $part_id $symb $due_date");
637: if ($interval[0] =~ /\d+/) {
638: my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
639: &Apache::lonxml::debug("looking for first_access $first_access ($interval[1])");
640: if (defined($first_access)) {
641: my $interval = $first_access+$interval[0];
642: $date = (!$due_date || $interval < $due_date) ? $interval
643: : $due_date;
644: } else {
645: $date = $due_date;
646: }
647: } else {
648: $date = $due_date;
649: }
650: return $date;
651: }
652:
653: sub seconds_to_human_length {
654: my ($length)=@_;
655:
656: my $seconds=$length%60; $length=int($length/60);
657: my $minutes=$length%60; $length=int($length/60);
658: my $hours=$length%24; $length=int($length/24);
659: my $days=$length;
660:
661: my $timestr;
662: if ($days > 0) { $timestr.=&mt('[quant,_1,day]',$days); }
663: if ($hours > 0) { $timestr.=($timestr?", ":"").
664: &mt('[quant,_1,hour]',$hours); }
665: if ($minutes > 0) { $timestr.=($timestr?", ":"").
666: &mt('[quant,_1,minute]',$minutes); }
667: if ($seconds > 0) { $timestr.=($timestr?", ":"").
668: &mt('[quant,_1,second]',$seconds); }
669: return $timestr;
670: }
671:
672: sub showhash {
673: my (%hash) = @_;
674: &showhashsubset(\%hash,'.');
675: return '';
676: }
677:
678: sub showarray {
679: my ($array)=@_;
680: my $string="(";
681: foreach my $elm (@{ $array }) {
682: if (ref($elm) eq 'ARRAY') {
683: $string.=&showarray($elm);
684: } elsif (ref($elm) eq 'HASH') {
685: $string.= "HASH --- \n<br />";
686: $string.= &showhashsubset($elm,'.');
687: } else {
688: $string.="$elm,"
689: }
690: }
691: chop($string);
692: $string.=")";
693: return $string;
694: }
695:
696: sub showhashsubset {
697: my ($hash,$keyre) = @_;
698: my $resultkey;
699: foreach $resultkey (sort(keys(%$hash))) {
700: if ($resultkey !~ /$keyre/) { next; }
701: if (ref($$hash{$resultkey}) eq 'ARRAY' ) {
702: &Apache::lonxml::debug("$resultkey ---- ".
703: &showarray($$hash{$resultkey}));
704: } elsif (ref($$hash{$resultkey}) eq 'HASH' ) {
705: &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");
706: &showhashsubset($$hash{$resultkey},'.');
707: } else {
708: &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");
709: }
710: }
711: &Apache::lonxml::debug("\n<br />restored values^</br>\n");
712: return '';
713: }
714:
715: sub setuppermissions {
716: $Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$env{'request.filename'});
717: unless ($Apache::lonhomework::browse eq 'F') {
718: $Apache::lonhomework::browse=&Apache::lonnet::allowed('bro',$env{'request.filename'});
719: }
720: my $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
721: if (! $viewgrades &&
722: exists($env{'request.course.sec'}) &&
723: $env{'request.course.sec'} !~ /^\s*$/) {
724: $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'}.
725: '/'.$env{'request.course.sec'});
726: if ($viewgrades) {
727: $Apache::lonhomework::viewgradessec = $env{'request.course.sec'};
728: }
729: }
730: $Apache::lonhomework::viewgrades = $viewgrades;
731:
732: if ($Apache::lonhomework::browse eq 'F' &&
733: $env{'form.devalidatecourseresdata'} eq 'on') {
734: my (undef,$courseid) = &Apache::lonnet::whichuser();
735: &Apache::lonnet::devalidatecourseresdata($env{"course.$courseid.num"},
736: $env{"course.$courseid.domain"});
737: }
738:
739: my $modifygrades = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
740: if (! $modifygrades &&
741: exists($env{'request.course.sec'}) &&
742: $env{'request.course.sec'} !~ /^\s*$/) {
743: $modifygrades =
744: &Apache::lonnet::allowed('mgr',$env{'request.course.id'}.
745: '/'.$env{'request.course.sec'});
746: if ($modifygrades) {
747: $Apache::lonhomework::modifygradessec = $env{'request.course.sec'};
748: }
749: }
750: $Apache::lonhomework::modifygrades = $modifygrades;
751:
752: my $queuegrade = &Apache::lonnet::allowed('mqg',$env{'request.course.id'});
753: if (! $queuegrade &&
754: exists($env{'request.course.sec'}) &&
755: $env{'request.course.sec'} !~ /^\s*$/) {
756: $queuegrade =
757: &Apache::lonnet::allowed('qgr',$env{'request.course.id'}.
758: '/'.$env{'request.course.sec'});
759: }
760: $Apache::lonhomework::queuegrade = $queuegrade;
761: return '';
762: }
763:
764: sub unset_permissions {
765: undef($Apache::lonhomework::queuegrade);
766: undef($Apache::lonhomework::modifygrades);
767: undef($Apache::lonhomework::modifygradessec);
768: undef($Apache::lonhomework::viewgrades);
769: undef($Apache::lonhomework::viewgradessec);
770: undef($Apache::lonhomework::browse);
771: }
772:
773: sub setupheader {
774: my $request=$_[0];
775: &Apache::loncommon::content_type($request,'text/html');
776: if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) {
777: &Apache::loncommon::no_cache($request);
778: }
779: # $request->set_last_modified(&Apache::lonnet::metadata($request->uri,
780: # 'lastrevisiondate'));
781: $request->send_http_header;
782: return OK if $request->header_only;
783: return ''
784: }
785:
786: sub handle_save_or_undo {
787: my ($request,$problem,$result,$getobjref) = @_;
788:
789: my $file = &Apache::lonnet::filelocation("",$request->uri);
790: my $filebak =$file.".bak";
791: my $filetmp =$file.".tmp";
792: my $error=0;
793: if (($env{'form.problemmode'} eq 'undo') || ($env{'form.problemmode'} eq 'undoxml')) {
794: my $error=0;
795: if (!&File::Copy::copy($file,$filetmp)) { $error=1; }
796: if ((!$error) && (!&File::Copy::copy($filebak,$file))) { $error=1; }
797: if ((!$error) && (!&File::Copy::move($filetmp,$filebak))) { $error=1; }
798: if (!$error) {
799: &Apache::lonxml::info("<p><b>".
800: &mt("Undid changes, Switched [_1] and [_2]",
801: '<span class="LC_filename">'.$filebak.
802: '</span>',
803: '<span class="LC_filename">'.$file.
804: '</span>')."</b></p>");
805: } else {
806: &Apache::lonxml::info("<p><span class=\"LC_error\">".
807: &mt("Unable to undo, unable to switch [_1] and [_2]",
808: '<span class="LC_filename">'.
809: $filebak.'</span>',
810: '<span class="LC_filename">'.
811: $file.'</span>')."</span></p>");
812: $error=1;
813: }
814: } else {
815: &Apache::lonnet::correct_line_ends($result);
816:
817: my $fs=Apache::File->new(">$filebak");
818: if (defined($fs)) {
819: print $fs $$problem;
820: } else {
821: &Apache::lonxml::info("<span class=\"LC_error\">".
822: &mt("Unable to make backup [_1]",
823: '<span class="LC_filename">'.
824: $filebak.'</span>')."</span>");
825: $error=2;
826: }
827: my $fh=Apache::File->new(">$file");
828: if (defined($fh)) {
829: print $fh $$result;
830: if (ref($getobjref) eq 'SCALAR') {
831: if ($file =~ m{([^/]+)\.(html?)$}) {
832: my $fname = $1;
833: my $ext = $2;
834: my $path = $file;
835: $path =~ s/\Q$fname\E\.\Q$ext\E$//;
836: my (%allfiles,%codebase);
837: &Apache::lonnet::extract_embedded_items($file,\%allfiles,
838: \%codebase,$result);
839: if (keys(%allfiles) > 0) {
840: my $url = $request->uri;
841: my $state = <<STATE;
842: <input type="hidden" name="action" value="upload_embedded" />
843: <input type="hidden" name="url" value="$url" />
844: STATE
845: $$getobjref = "<h3>".&mt("Reference Warning")."</h3>".
846: "<p>".&mt("Completed upload of the file. This file contained references to other files.")."</p>".
847: "<p>".&mt("Please select the locations from which the referenced files are to be uploaded.")."</p>".
848: &Apache::loncommon::ask_for_embedded_content($url,$state,\%allfiles,\%codebase,
849: {'error_on_invalid_names' => 1,
850: 'ignore_remote_references' => 1,});
851: }
852: }
853: }
854: } else {
855: &Apache::lonxml::info('<span class="LC_error">'.
856: &mt("Unable to write to [_1]",
857: '<span class="LC_filename">'.
858: $file.'</span>').
859: '</span>');
860: $error|=4;
861: }
862: }
863: return $error;
864: }
865:
866: sub analyze_header {
867: my ($request) = @_;
868: my $js = &Apache::lonxml::setmode_javascript();
869:
870: # Breadcrumbs
871: my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
872: 'text' => 'Authoring Space'},
873: {'href' => '',
874: 'text' => 'Problem Testing'},
875: {'href' => '',
876: 'text' => 'Analyzing a problem'}];
877:
878: my $result =
879: &Apache::loncommon::start_page('Analyzing a problem',
880: $js,
881: {'bread_crumbs' => $brcrum,})
882: .&Apache::loncommon::head_subbox(
883: &Apache::loncommon::CSTR_pageheader());
884: $result .=
885: '<form name="lonhomework" method="post" action="'.
886: &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.
887: '<input type="hidden" name="problemmode" value="'.
888: $env{'form.problemmode'}.'" />'.
889: &Apache::structuretags::remember_problem_state().'
890: <div class="LC_edit_problem_analyze_header">
891: <input type="button" name="submitmode" value="'.&mt("EditXML").'" '.
892: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />
893: <input type="button" name="submitmode" value="'.&mt('Edit').'" '.
894: 'onclick="javascript:setmode(this.form,'."'edit'".')" />
895: <hr />
896: <input type="button" name="submitmode" value="'.&mt("View").'" '.
897: 'onclick="javascript:setmode(this.form,'."'view'".')" />
898: <hr />
899: </div>'
900: .&Apache::lonxml::message_location().'
901: </form>';
902: &Apache::lonxml::add_messages(\$result);
903: $request->print($result);
904: $request->rflush();
905: }
906:
907: sub analyze_footer {
908: my ($request) = @_;
909: $request->print(&Apache::loncommon::end_page());
910: $request->rflush();
911: }
912:
913: sub analyze {
914: my ($request,$file) = @_;
915: &Apache::lonxml::debug("Analyze");
916: my $result;
917: my %overall;
918: my %seedexample;
919: my %allparts;
920: my $rndseed=$env{'form.rndseed'};
921: &analyze_header($request);
922: my %prog_state=
923: &Apache::lonhtmlcommon::Create_PrgWin($request,$env{'form.numtoanalyze'});
924: for(my $i=1;$i<$env{'form.numtoanalyze'}+1;$i++) {
925: &Apache::lonhtmlcommon::Increment_PrgWin($request,\%prog_state,'last problem');
926: if (&Apache::loncommon::connection_aborted($request)) { return; }
927: my $thisseed=$i+$rndseed;
928: my $subresult=&Apache::lonnet::ssi($request->uri,
929: ('grade_target' => 'analyze'),
930: ('rndseed' => $thisseed));
931: (my $garbage,$subresult)=split(/_HASH_REF__/,$subresult,2);
932: my %analyze=&Apache::lonnet::str2hash($subresult);
933: my @parts;
934: if (ref($analyze{'parts'}) eq 'ARRAY') {
935: @parts=@{ $analyze{'parts'} };
936: }
937: foreach my $part (@parts) {
938: if (!exists($allparts{$part})) {$allparts{$part}=1;};
939: if ($analyze{$part.'.type'} eq 'numericalresponse' ||
940: $analyze{$part.'.type'} eq 'stringresponse' ||
941: $analyze{$part.'.type'} eq 'formularesponse' ) {
942: foreach my $name (keys(%{ $analyze{$part.'.answer'} })) {
943: my $i=0;
944: foreach my $answer_part (@{ $analyze{$part.'.answer'}{$name} }) {
945: push( @{ $overall{$part.'.answer'}[$i] },
946: $answer_part);
947: my $concatanswer= join("\0",@{ $answer_part });
948: if (($concatanswer eq '') || ($concatanswer=~/^\@/)) {
949: $answer_part = ['<span class="LC_error">'.&mt('Error').'</span>'];
950: }
951: $seedexample{join("\0",$part,$i,@{$answer_part})}=
952: $thisseed;
953: $i++;
954: }
955: }
956: if (!keys(%{ $analyze{$part.'.answer'} })) {
957: my $answer_part =
958: ['<span class="LC_error">'.&mt('Error').'</span>'];
959: $seedexample{join("\0",$part,0,@{$answer_part})}=
960: $thisseed;
961: push( @{ $overall{$part.'.answer'}[0] },
962: $answer_part);
963: }
964: }
965: }
966: }
967: &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state,&mt('Analyzing Results'));
968: $request->print('<hr />'
969: .'<h3>'
970: .&mt('List of possible answers')
971: .'</h3>'
972: );
973: foreach my $part (sort(keys(%allparts))) {
974: if ((ref($overall{$part.'.answer'}) eq 'ARRAY') &&
975: (@{$overall{$part.'.answer'}} > 0)) {
976: for (my $i=0;$i<scalar(@{ $overall{$part.'.answer'} });$i++) {
977: my $num_cols=scalar(@{ $overall{$part.'.answer'}[$i][0] });
978: $request->print(&Apache::loncommon::start_data_table()
979: .&Apache::loncommon::start_data_table_header_row()
980: .'<th colspan="'.($num_cols+1).'">'
981: .&mt('Part').' '.$part
982: );
983: if (scalar(@{ $overall{$part.'.answer'} }) > 1) {
984: $request->print(' '.&mt('Answer [_1]',$i+1));
985: }
986: $request->print('</th>'
987: .&Apache::loncommon::end_data_table_header_row()
988: );
989: my %frequency;
990: foreach my $answer (sort {$a->[0] <=> $b->[0]} (@{ $overall{$part.'.answer'}[$i] })) {
991: $frequency{join("\0",@{ $answer })}++;
992: }
993: $request->print(&Apache::loncommon::start_data_table_header_row()
994: .'<th colspan="'.($num_cols).'">'.&mt('Answer').'</th>'
995: .'<th>'.&mt('Frequency').'<br />'
996: .'('.&mt('click for example').')</th>'
997: .&Apache::loncommon::end_data_table_header_row()
998: );
999: foreach my $answer (sort {(split("\0",$a))[0] <=> (split("\0",$b))[0]} (keys(%frequency))) {
1000: $request->print(&Apache::loncommon::start_data_table_row()
1001: .'<td>'
1002: .join('</td><td>',split("\0",$answer))
1003: .'</td>'
1004: .'<td>'
1005: .'<a href="'.$request->uri.'?rndseed='.$seedexample{join("\0",$part,$i,$answer)}.'">'.$frequency{$answer}.'</a>'
1006: .'</td>'
1007: .&Apache::loncommon::end_data_table_row()
1008: );
1009: }
1010: $request->print(&Apache::loncommon::end_data_table());
1011: }
1012: } else {
1013: $request->print('<p class="LC_warning">'
1014: .&mt('Response [_1] is not analyzable at this time.',$part)
1015: .'</p>'
1016: );
1017: }
1018: }
1019: if (scalar(keys(%allparts)) == 0 ) {
1020: $request->print('<p class="LC_warning">'
1021: .&mt('Found no analyzable responses in this problem.'
1022: .' Currently only Numerical, Formula and String response styles are supported.')
1023: .'</p>'
1024: );
1025: }
1026: &Apache::lonhtmlcommon::Close_PrgWin($request,\%prog_state);
1027: &analyze_footer($request);
1028: &Apache::lonhomework::showhash(%overall);
1029: return $result;
1030: }
1031:
1032: {
1033: my $show_problem_status;
1034: sub reset_show_problem_status {
1035: undef($show_problem_status);
1036: }
1037:
1038: sub set_show_problem_status {
1039: my ($new_status) = @_;
1040: $show_problem_status = lc($new_status);
1041: }
1042:
1043: sub hide_problem_status {
1044: return ($show_problem_status eq 'no'
1045: || $show_problem_status eq 'no_feedback_ever');
1046: }
1047:
1048: sub show_problem_status {
1049: return ($show_problem_status eq 'yes'
1050: || $show_problem_status eq 'answer'
1051: || $show_problem_status eq '');
1052: }
1053:
1054: sub show_some_problem_status {
1055: return ($show_problem_status eq 'no');
1056: }
1057:
1058: sub show_no_problem_status {
1059: return ($show_problem_status eq 'no_feedback_ever');
1060: }
1061:
1062: sub show_answer_problem_status {
1063: return ($show_problem_status eq 'answer');
1064: }
1065: }
1066:
1067: sub editxmlmode {
1068: my ($request,$file) = @_;
1069: my $result;
1070: my $problem=&Apache::lonnet::getfile($file);
1071: if ($problem eq -1) {
1072: &Apache::lonxml::error(
1073: '<p class="LC_error">'
1074: .&mt('Unable to find [_1]',
1075: '<span class="LC_filename">'.$file.'</span>')
1076: .'</p>');
1077:
1078: $problem='';
1079: }
1080: if (($env{'form.problemmode'} eq 'saveeditxml') ||
1081: ($env{'form.problemmode'} eq 'saveviewxml') ||
1082: ($env{'form.problemmode'} eq 'undoxml')) {
1083: my $error=&handle_save_or_undo($request,\$problem,
1084: \$env{'form.editxmltext'});
1085: if (!$error) { $problem=&Apache::lonnet::getfile($file); }
1086: }
1087: &Apache::lonhomework::showhashsubset(\%env,'^form');
1088: if ($env{'form.problemmode'} eq 'saveviewxml') {
1089: &Apache::lonhomework::showhashsubset(\%env,'^form');
1090: $env{'form.problemmode'}='view';
1091: &renderpage($request,$file);
1092: } else {
1093: my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);
1094: if ($cols > 80) { $cols = 80; }
1095: if ($cols < 70) { $cols = 70; }
1096: if ($rows < 20) { $rows = 20; }
1097: my $js =
1098: &Apache::edit::js_change_detection().
1099: &Apache::loncommon::resize_textarea_js().
1100: &Apache::lonxml::setmode_javascript().
1101: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
1102:
1103: # Breadcrumbs
1104: my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
1105: 'text' => 'Authoring Space'},
1106: {'href' => '',
1107: 'text' => 'Problem Editing'}];
1108:
1109: my $start_page =
1110: &Apache::loncommon::start_page(&mt("EditXML [_1]",$file),$js,
1111: {'no_auto_mt_title' => 1,
1112: 'only_body' => 0,
1113: 'add_entries' => {
1114: 'onresize' => q[resize_textarea('LC_editxmltext','LC_aftertextarea')],
1115: 'onload' => q[resize_textarea('LC_editxmltext','LC_aftertextarea')],
1116: },
1117: 'bread_crumbs' => $brcrum,
1118: });
1119:
1120: $result=$start_page
1121: .&Apache::loncommon::head_subbox(
1122: &Apache::loncommon::CSTR_pageheader());
1123: $result.=&renderpage($request,$file,['no_output_web'],1).
1124: '<form '.&Apache::edit::form_change_detection().' name="lonhomework" method="post" action="'.
1125: &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.
1126: &Apache::structuretags::remember_problem_state().'
1127: <div class="LC_edit_problem_header">
1128: <div class="LC_edit_problem_header_title">'.
1129: &mt('Problem Editing').' '.&Apache::loncommon::help_open_topic('Problem_Editor_XML_Index').
1130: '</div><div class="LC_edit_actionbar" id="actionbar">';
1131:
1132: $result.='<input type="hidden" name="problemmode" value="saveedit" />'.
1133: &Apache::structuretags::problem_edit_buttons('editxml');
1134: $result.='<div>';
1135:
1136: $result .= '<ol class="LC_primary_menu" style="display:inline-block;font-size:90%;vertical-align:middle;">';
1137:
1138: unless ($env{'environment.nocodemirror'}) {
1139: # dropdown menus
1140: $result .= Apache::lonmenu::create_submenu("#", "",
1141: &mt("Problem Templates"), template_dropdown_datastructure());
1142:
1143: $result .= Apache::lonmenu::create_submenu("#", "",
1144: &mt("Response Types"), responseblock_dropdown_datastructure());
1145:
1146: $result .= Apache::lonmenu::create_submenu("#", "",
1147: &mt("Conditional Blocks"), conditional_scripting_datastructure());
1148:
1149: $result .= Apache::lonmenu::create_submenu("#", "",
1150: &mt("Miscellaneous"), misc_datastructure());
1151: }
1152:
1153: $result .= Apache::lonmenu::create_submenu("#", "",
1154: &mt("Help") . ' <img src="/adm/help/help.png" alt="' . &mt("Help") .
1155: '" style="vertical-align:text-bottom; height: auto; margin:0; "/>',
1156: helpmenu_datastructure(),"");
1157:
1158: $result.="</ol></div>";
1159:
1160: $result .= '</div></div>' .
1161: &Apache::lonxml::message_location() .
1162: &Apache::loncommon::xmleditor_js() .
1163: '<textarea ' . &Apache::edit::element_change_detection() .
1164: ' rows="'.$rows.'" cols="'.$cols.'" style="width:100%" ' .
1165: ' name="editxmltext" id="LC_editxmltext">' .
1166: &HTML::Entities::encode($problem,'<>&"') .
1167: '</textarea> <div id="LC_aftertextarea"> </div> </form>';
1168:
1169: my $resource = $env{'request.ambiguous'};
1170: unless($env{'environment.nocodemirror'}){
1171: $result .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined-xml.css">
1172: <script src="/adm/codemirror/codemirror-compressed-xml.js"></script>
1173: <script>
1174: CodeMirror.defineMode("mixedmode", function(config) {
1175: return CodeMirror.multiplexingMode(
1176: CodeMirror.getMode(config, "xml"),
1177: {
1178: open: "\<script type=\"loncapa/perl\"\>", close: "\</script\>",
1179: mode: CodeMirror.getMode(config, "perl"),
1180: delimStyle: "tag",
1181: }
1182: );
1183: });
1184: var cm = CodeMirror.fromTextArea(document.getElementById("LC_editxmltext"),
1185: {
1186: mode: "mixedmode",
1187: lineWrapping: true,
1188: lineNumbers: true,
1189: tabSize: 4,
1190: indentUnit: 4,
1191:
1192: autoCloseTags: true,
1193: autoCloseBrackets: true,
1194: height: "auto",
1195: styleActiveLine: true,
1196:
1197: extraKeys: {
1198: "Tab": "indentMore",
1199: "Shift-Tab": "indentLess",
1200: }
1201: });
1202: restoreScrollPosition("'.$resource.'");
1203: </script>';
1204: }
1205:
1206: $result .= &Apache::loncommon::end_page();
1207: &Apache::lonxml::add_messages(\$result);
1208: $request->print($result);
1209: }
1210: return '';
1211: }
1212:
1213: #
1214: # Render the page in whatever target desired.
1215: #
1216: sub renderpage {
1217: my ($request,$file,$targets,$return_string,$donebuttonmsg,$viewasuser,$symb) = @_;
1218:
1219: my @targets = @{$targets || [&get_target()]};
1220: &Apache::lonhomework::showhashsubset(\%env,'form.');
1221: &Apache::lonxml::debug("Running targets ".join(':',@targets));
1222:
1223: my $overall_result;
1224: foreach my $target (@targets) {
1225: # FIXME need to do something intelligent when a problem goes
1226: # from viewable to not viewable due to map conditions
1227: #&setuppermissions();
1228: #if ( $Apache::lonhomework::browse ne '2'
1229: # && $Apache::lonhomework::browse ne 'F' ) {
1230: # $request->print(" You most likely shouldn't see me.");
1231: #}
1232: #my $t0 = [&gettimeofday()];
1233: my $output=1;
1234: if ($target eq 'no_output_web') {
1235: $target = 'web'; $output=0;
1236: }
1237: my $problem=&Apache::lonnet::getfile($file);
1238: my $result;
1239: if ($problem eq -1) {
1240: $problem='';
1241: my $filename=(split('/',$file))[-1];
1242: my $error =
1243: &mt('Unable to find [_1]',
1244: '<span class="LC_filename">'.$filename.'</span>');
1245: $result.=
1246: &Apache::loncommon::simple_error_page($request,'Not available',
1247: $error,{'no_auto_mt_msg' => 1});
1248: return;
1249: }
1250:
1251: my %mystyle;
1252: if ($target eq 'analyze') { %Apache::lonhomework::analyze=(); }
1253: if ($target eq 'answer') { &showhash(%Apache::lonhomework::history); }
1254: if ($target eq 'web') {&Apache::lonhomework::showhashsubset(\%env,'^form');}
1255:
1256: if (($target eq 'web') && ($viewasuser ne '') && ($symb ne '')) {
1257: $env{'request.user_in_effect'} = $viewasuser;
1258: }
1259:
1260: &Apache::lonxml::debug("Should be parsing now");
1261: $result .= &Apache::lonxml::xmlparse($request, $target, $problem,
1262: &setup_vars($target),%mystyle);
1263: &finished_parsing();
1264: if (!$output) { $result = ''; }
1265: #$request->print("Result follows:");
1266: if ($target eq 'modified') {
1267: &handle_save_or_undo($request,\$problem,\$result);
1268: } else {
1269: if ($target eq 'analyze') {
1270: $result=&Apache::lonnet::hashref2str(\%Apache::lonhomework::analyze);
1271: undef(%Apache::lonhomework::analyze);
1272: } elsif ($target eq 'web') {
1273: if ($donebuttonmsg) {
1274: $result =~ s{</body>}{};
1275: $result.= &Apache::loncommon::confirmwrapper(&Apache::lonhtmlcommon::confirm_success($donebuttonmsg,1))."\n</body>";
1276: }
1277: }
1278: #my $td=&tv_interval($t0);
1279: #if ( $Apache::lonxml::debug) {
1280: #$result =~ s:</body>::;
1281: #$result.="<br />Spent $td seconds processing target $target\n</body>";
1282: #}
1283: # $request->print($result);
1284: $overall_result.=$result;
1285: if (($target eq 'web') && ($viewasuser ne '') && ($symb ne '')) {
1286: my ($vuname,$vudom) = split(/:/,$viewasuser);
1287: $overall_result .= &Apache::grades::view_as_user($symb,$vuname,$vudom).
1288: '</body></html>';
1289: }
1290: # $request->rflush();
1291: }
1292: if (($target eq 'web') && ($viewasuser ne '') && ($symb ne '')) {
1293: undef($env{'request.user_in_effect'});
1294: }
1295: #$request->print(":Result ends");
1296: #my $td=&tv_interval($t0);
1297: }
1298: if (!$return_string) {
1299: &Apache::lonxml::add_messages(\$overall_result);
1300: $request->print($overall_result);
1301: $request->rflush();
1302: } else {
1303: return $overall_result;
1304: }
1305: }
1306:
1307: sub finished_parsing {
1308: undef($Apache::lonhomework::parsing_a_problem);
1309: undef($Apache::lonhomework::parsing_a_task);
1310: }
1311:
1312: # function extracted from get_template_html
1313: # returns "key" -> list
1314: # key: path of template
1315: # value 1: title
1316: # value 2: category
1317: # value 3: name of help topic ???
1318: sub get_template_list {
1319: my ($extension) = @_;
1320:
1321: my @files = glob($Apache::lonnet::perlvar{'lonIncludes'}.
1322: '/templates/*.'.$extension);
1323: @files = map {[$_,&mt(&Apache::lonnet::metadata($_, 'title')),
1324: (&Apache::lonnet::metadata($_, 'category')?&mt(&Apache::lonnet::metadata($_, 'category')):&mt('Miscellaneous')),
1325: &mt(&Apache::lonnet::metadata($_, 'help'))]} (@files);
1326: @files = sort {$a->[2].$a->[1] cmp $b->[2].$b->[1]} (@files);
1327: return @files;
1328: }
1329:
1330: sub get_template_html {
1331: my ($extension) = @_;
1332: my $result;
1333: my @allnames;
1334: &Apache::lonxml::debug("Looking for :$extension:");
1335: my $glob_extension = $extension;
1336: if ($extension eq 'survey' || $extension eq 'exam') {
1337: $glob_extension = 'problem';
1338: }
1339: my @files = &get_template_list($extension);
1340: my ($midpoint,$seconddiv,$numfiles);
1341: my @noexamplelink = ('blank.problem','blank.library','script.library');
1342: $numfiles = 0;
1343: foreach my $file (@files) {
1344: next if ($file->[1] !~ /\S/);
1345: $numfiles ++;
1346: }
1347: if ($numfiles > 0) {
1348: $result = '<div class="LC_left_float">';
1349: $midpoint = int($numfiles/2);
1350: if ($numfiles%2) {
1351: $midpoint ++;
1352: }
1353: }
1354: my $count = 0;
1355: my $currentcategory='';
1356: my $first = 1;
1357: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
1358: foreach my $file (@files) {
1359: next if ($file->[1] !~ /\S/);
1360: if ($file->[2] ne $currentcategory) {
1361: $currentcategory=$file->[2];
1362: if ((!$seconddiv) && ($count >= $midpoint)) {
1363: $result .= '</div></div>'."\n".'<div class="LC_left_float">'."\n";
1364: $seconddiv = 1;
1365: } elsif (!$first) {
1366: $result.='</div>'."\n";
1367: } else {
1368: $first = 0;
1369: }
1370: $result.= '<div class="LC_Box">'."\n"
1371: .'<h3 class="LC_hcell">'.$currentcategory.'</h3>'."\n";
1372: $count++;
1373: }
1374: $result .=
1375: '<label><input type="radio" name="template" value="'.$file->[0].'" />'.
1376: $file->[1].'</label>';
1377: if ($file->[3]) {
1378: $result.=&Apache::loncommon::help_open_topic($file->[3]);
1379: }
1380: # Provide example link
1381: my $filename=$file->[0];
1382: $filename=~s{^\Q$londocroot\E}{};
1383: if (!(grep($filename =~ /\Q$_\E$/,@noexamplelink))) {
1384: $result .= ' <span class="LC_fontsize_small">'
1385: .&Apache::loncommon::modal_link(
1386: $filename.'?inhibitmenu=yes',&mt('Example'),600,420,'sample')
1387: .'</span>';
1388: }
1389: $result .= '<br />'."\n";
1390: $count ++;
1391: }
1392: if ($numfiles > 0) {
1393: $result .= '</div></div>'."\n".'<div class="LC_clear_float_footer"></div>'."\n";
1394: }
1395: return $result;
1396: }
1397:
1398: sub newproblem {
1399: my ($request) = @_;
1400:
1401: if ($env{'form.mode'} eq 'blank'){
1402: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1403: my $templatefilename =
1404: $request->dir_config('lonIncludes').'/templates/blank.problem';
1405: &File::Copy::copy($templatefilename,$dest);
1406: &renderpage($request,$dest);
1407: return;
1408: }
1409: my $errormsg;
1410: if ($env{'form.template'}) {
1411: my $file;
1412: my ($extension) = ($env{'form.template'} =~ /\.(\w+)$/);
1413: if ($extension) {
1414: my @files = &get_template_list($extension);
1415: foreach my $poss (@files) {
1416: if (ref($poss) eq 'ARRAY') {
1417: if ($env{'form.template'} eq $poss->[0]) {
1418: $file = $env{'form.template'};
1419: last;
1420: }
1421: }
1422: }
1423: if ($file) {
1424: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1425: &File::Copy::copy($file,$dest);
1426: &renderpage($request,$dest);
1427: return;
1428: } else {
1429: $errormsg = '<p class="LC_error">'.&mt('Invalid template file.').'</p>';
1430: }
1431: } else {
1432: $errormsg = '<p class="LC_error">'.&mt('Invalid template file; template needs to be a .problem, .library, or .task file.').'</p>';
1433: }
1434: }
1435:
1436: my ($extension) = ($request->uri =~ m/\.(\w+)$/);
1437: &Apache::lonxml::debug("Looking for :$extension:");
1438: my $templatelist=&get_template_html($extension);
1439: if ($env{'form.newfile'} && !$templatelist) {
1440: # no templates found
1441: my $templatefilename =
1442: $request->dir_config('lonIncludes').'/templates/blank.'.$extension;
1443: &Apache::lonxml::debug("$templatefilename");
1444: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1445: &File::Copy::copy($templatefilename,$dest);
1446: &renderpage($request,$dest);
1447: } else {
1448: my $url=&HTML::Entities::encode($request->uri,'<>&"');
1449: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1450: my $instructions;
1451: my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
1452: 'text' => 'Authoring Space'},
1453: {'href' => '',
1454: 'text' => "Create New $extension"}];
1455: my $start_page =
1456: &Apache::loncommon::start_page("Create New $extension",
1457: undef,
1458: {'bread_crumbs' => $brcrum,});
1459: $request->print(
1460: $start_page
1461: .&Apache::loncommon::head_subbox(
1462: &Apache::loncommon::CSTR_pageheader())
1463: .'<h1>'.&mt("Creating a new $extension resource.")."</h1>
1464: $errormsg
1465: ".&mt("The requested file [_1] currently does not exist.",
1466: '<span class="LC_filename">'.$url.'</span>').'
1467: <p class="LC_info">
1468: '.&mt("To create a new $extension, select a template from the".
1469: " list below. Then click on the \"Create $extension\" button.").'
1470: </p><div><form action="'.$url.'" method="post">');
1471:
1472: if (defined($templatelist)) {
1473: $request->print($templatelist);
1474: }
1475: $request->print('<br /><input type="submit" name="newfile" value="'.
1476: &mt("Create $extension").'" />');
1477: $request->print('</form></div>'.&Apache::loncommon::end_page());
1478: }
1479: return;
1480: }
1481:
1482: sub update_construct_style {
1483: if ($env{'request.state'} eq "construct"
1484: && $env{'form.problemmode'} eq 'view'
1485: && defined($env{'form.submitted'})
1486: && !defined($env{'form.resetdata'})
1487: && !defined($env{'form.newrandomization'})) {
1488: if ((!$env{'form.style_file'} && $env{'construct.style'})
1489: ||$env{'form.clear_style_file'}) {
1490: &Apache::lonnet::delenv('construct.style');
1491: } elsif ($env{'form.style_file'}
1492: && $env{'construct.style'} ne $env{'form.style_file'}) {
1493: &Apache::lonnet::appenv({'construct.style' =>
1494: $env{'form.style_file'}});
1495: }
1496: }
1497: }
1498:
1499: #
1500: # Sets interval for current user so time left will be zero, either for the entire folder
1501: # containing the current resource, or just the resource, depending on value of first item
1502: # in interval array retrieved from EXT("resource.0.interval");
1503: #
1504: sub zero_timer {
1505: my ($symb) = @_;
1506: my ($hastimeleft,$first_access,$now);
1507: my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb);
1508: if (@interval > 1) {
1509: if ($interval[1] eq 'course') {
1510: return ('fail',&mt('Ending of timed events not supported for intervals set course-wide'));
1511: } else {
1512: my $now = time;
1513: my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
1514: if ($first_access > 0) {
1515: my ($timelimit,$donesuffix) = split(/_/,$interval[0],2);
1516: if ($donesuffix =~ /^done(?:|\:[^\:]+\:)(.*)$/) {
1517: my ($dummy,$proctor,$secret) = split(/_/,$1);
1518: if (($proctor) && ($secret ne '')) {
1519: my $key = $env{'form.LC_interval_done_proctorpass'};
1520: $key =~ s/^\s+//;
1521: $key =~ s/\s+$//;
1522: if ($env{'form.LC_interval_done_proctorpass'} ne $secret) {
1523: return ('fail',
1524: &mt('Incorrect key entered by proctor'));
1525: }
1526: }
1527: if ($first_access+$timelimit > $now) {
1528: my $done_time = $now - $first_access;
1529: my $snum = 1;
1530: if ($interval[1] eq 'map') {
1531: $snum = 2;
1532: }
1533: my $result =
1534: &Apache::lonparmset::storeparm_by_symb_inner($symb,'0_interval',
1535: $snum,$done_time,
1536: 'date_interval',
1537: $env{'user.name'},
1538: $env{'user.domain'});
1539: if ($result eq '') {
1540: # Record action in "User Notes"
1541: &Apache::lonmsg::store_instructor_comment(
1542: 'Pressed Done button for symb:<br />'.$symb,
1543: $env{'user.name'}, $env{'user.domain'});
1544: return ('ok');
1545: } else {
1546: return ('fail',&mt('Error ending timed event: [_1]',$result));
1547: }
1548: } else {
1549: return ('fail',&mt('Timed event already ended'));
1550: }
1551: } else {
1552: return ('fail',&mt('Timed event can not be ended before the time limit'));
1553: }
1554: } else {
1555: return ('fail',&mt('Timer not yet started for this timed event'));
1556: }
1557: }
1558: } else {
1559: return ('fail',&mt('No timer in use'));
1560: }
1561: return();
1562: }
1563:
1564: sub handler {
1565: #my $t0 = [&gettimeofday()];
1566: my $request=$_[0];
1567: $Apache::lonxml::request=$request;
1568: $Apache::lonxml::debug=$env{'user.debug'};
1569: $env{'request.uri'}=$request->uri;
1570: &setuppermissions();
1571:
1572: my $file=&Apache::lonnet::filelocation("",$request->uri);
1573:
1574: #check if we know where we are
1575: if ($env{'request.course.fn'} && !&Apache::lonnet::symbread('','',1,1)) {
1576: # if we are browsing we might not be able to know where we are
1577: if ($Apache::lonhomework::browse ne 'F' &&
1578: $env{'request.state'} ne "construct") {
1579: #should know where we are, so ask
1580: &unset_permissions();
1581: $request->internal_redirect('/adm/ambiguous');
1582: return OK;
1583: }
1584: }
1585: if (&setupheader($request)) {
1586: &unset_permissions();
1587: return OK;
1588: }
1589:
1590: &Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:$Apache::lonhomework::modifygrades:$Apache::lonhomework::queuegrade");
1591: &Apache::lonxml::debug("Problem Mode ".$env{'form.problemmode'});
1592: my ($symb) = &Apache::lonnet::whichuser();
1593: &Apache::lonxml::debug('symb is '.$symb);
1594: if ($env{'request.state'} eq "construct") {
1595: if ( -e $file ) {
1596: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1597: ['problemmode']);
1598: if (!(defined $env{'form.problemmode'})) {
1599: #first visit to problem in construction space
1600: $env{'form.problemmode'}= 'view';
1601: &renderpage($request,$file);
1602: } elsif (($env{'form.problemmode'} eq 'editxml') ||
1603: ($env{'form.problemmode'} eq 'saveeditxml') ||
1604: ($env{'form.problemmode'} eq 'saveviewxml') ||
1605: ($env{'form.problemmode'} eq 'undoxml')) {
1606: &editxmlmode($request,$file);
1607: } elsif ($env{'form.problemmode'} eq 'calcanswers') {
1608: &analyze($request,$file);
1609: } else {
1610: &update_construct_style();
1611: &renderpage($request,$file);
1612: }
1613: } else {
1614: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1615: ['mode']);
1616: # requested file doesn't exist in contruction space
1617: &newproblem($request);
1618: }
1619: } else {
1620: # Set the event timer to zero if the "done button" was clicked. The button is
1621: # part of the doneButton form created in lonmenu.pm
1622: my ($donebuttonresult,$donemsg,$viewasuser);
1623: if ($symb && $env{'form.LC_interval_done'} eq 'true') {
1624: ($donebuttonresult,$donemsg) = &zero_timer($symb);
1625: undef($env{'form.LC_interval_done'});
1626: undef($env{'form.LC_interval_done_proctorpass'});
1627: }
1628: if (($env{'form.LC_viewas'} ne '') && $symb && $env{'request.course.id'} &&
1629: ($Apache::lonhomework::viewgrades || $Apache::lonhomework::modifygrades)) {
1630: if ($env{'form.LC_viewas'} =~ /^($match_username):($match_domain)$/) {
1631: my ($possuname,$possudom) = ($1,$2);
1632: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1633: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1634: my ($canview,$posssec);
1635: if ($env{'request.course.sec'} ne '') {
1636: if ($Apache::lonhomework::modifygradessec eq $env{'request.course.sec'}) {
1637: $canview = 'section';
1638: $posssec = $env{'request.course.sec'};
1639: } elsif ($Apache::lonhomework::viewgradessec eq $env{'request.course.sec'}) {
1640: $canview = 'section';
1641: $posssec = $env{'request.course.sec'};
1642: }
1643: }
1644: my $crstype = &Apache::loncommon::course_type();
1645: if (&Apache::loncourseuser::is_course_user($possudom,$possuname,$cdom,$cnum,
1646: $canview,$crstype,$posssec)) {
1647: $viewasuser = $possuname.':'.$possudom;
1648: }
1649: }
1650: undef($env{'form.LC_viewas'});
1651: }
1652: # just render the page normally outside of construction space
1653: &Apache::lonxml::debug("not construct");
1654: undef(@Apache::lonhomework::ltipassback);
1655: &renderpage($request,$file,undef,undef,$donemsg,$viewasuser,$symb);
1656: if (@Apache::lonhomework::ltipassback) {
1657: unless ($registered_cleanup) {
1658: my $handlers = $request->get_handlers('PerlCleanupHandler');
1659: $request->set_handlers('PerlCleanupHandler' =>
1660: [\&do_ltipassback,@{$handlers}]);
1661: }
1662: }
1663: }
1664: #my $td=&tv_interval($t0);
1665: #&Apache::lonxml::debug("Spent $td seconds processing");
1666: # always turn off debug messages
1667: $Apache::lonxml::debug=0;
1668: &unset_permissions();
1669: return OK;
1670:
1671: }
1672:
1673: sub template_dropdown_datastructure {
1674: # gathering the all templates and their path, title, category and help topic
1675: my @templates = get_template_list('problem');
1676: # template category => title
1677: my %tmplthash = ();
1678: # template title => path
1679: my %tmpltcontent = ();
1680:
1681: foreach my $template (@templates){
1682: # put in hash if the template is not empty
1683: unless ($template->[1] eq ''){
1684: push(@{$tmplthash{$template->[2]}}, $template->[1]);
1685: push(@{$tmpltcontent{$template->[1]}},$template->[0]);
1686: }
1687: }
1688:
1689: my $catList = [];
1690: foreach my $cat (sort keys %tmplthash) {
1691: my $catItems = [];
1692: foreach my $title (sort @{$tmplthash{$cat}}) {
1693: my $path = $tmpltcontent{$title}->[0];
1694: my $code;
1695: open(FH, "<$path");
1696: while(<FH>){
1697: $code.= $_ unless $_ =~ /(<problem>)|(<\/problem>)/;
1698: }
1699: close(FH);
1700:
1701: if ($code ne '') {
1702: my $href = 'javascript:insertText(\'' . &convert_for_js(&HTML::Entities::encode($code,'<>&"')) . '\')';
1703: my $currItem = [$href, $title, undef];
1704: push @{$catItems}, $currItem;
1705: }
1706: }
1707: push @{$catList}, [$catItems, $cat, undef];
1708: }
1709:
1710: return $catList;
1711: }
1712:
1713: sub responseblock_dropdown_datastructure {
1714:
1715: my $mathCat = [
1716: [
1717: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_formularesponse())) . "\')", &mt("Formula Response"), undef],
1718: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_functionplotresponse())) . "\')", &mt("Function Plot Response"), undef],
1719: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_mathresponse())) . "\')", &mt("Math Response"), undef],
1720: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_numericalresponse())) . "\')", &mt("Numerical Response"), undef]
1721: ],
1722: &mt("Math"),
1723: undef
1724: ];
1725:
1726: my $miscCat = [
1727: [
1728: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_imageresponse())) . "\')", &mt("Click on Image"), undef],
1729: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_customresponse())) . "\')", &mt("Custom Response"), undef],
1730: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_externalresponse())) . "\')", &mt("External Response"), undef],
1731: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_matchresponse())) . "\')", &mt("Match Two Lists"), undef],
1732: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_radiobuttonresponse())) . "\')", &mt("One out of N statements"), undef],
1733: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_optionresponse())) . "\')", &mt("Select from Options"), undef],
1734: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_rankresponse())) . "\')", &mt("Rank Values"), undef]
1735: ],
1736: &mt("Miscellaneous"),
1737: undef
1738: ];
1739:
1740: my $chemCat = [
1741: [
1742: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_reactionresponse())) . "\')", &mt("Chemical Reaction"), undef],
1743: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicresponse())) . "\')", &mt("Organic Chemical Structure"), undef]
1744: ],
1745: &mt("Chemistry"),
1746: undef
1747: ];
1748:
1749: my $textCat = [
1750: [
1751: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_stringresponse())) . "\')", &mt("String Response"), undef],
1752: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_essayresponse())) . "\')", &mt("Essay"), undef]
1753: ],
1754: &mt("Text"),
1755: undef
1756: ];
1757:
1758: return [$mathCat, $miscCat, $chemCat, $textCat];
1759: }
1760:
1761:
1762: sub conditional_scripting_datastructure {
1763: # TODO: corresponding routines should be used for the javascript:insertText parts
1764: # instead of the placeholder routine default_xml_tag with the tags
1765: # e.g. &default_xml_tag("postanswerdate") should be replaced with a routine which
1766: # returns the corresponding content for this case
1767:
1768: #TODO translated is currently temporarily here, another solution should be found where the
1769: # needed string can be retrieved
1770:
1771: my $translatedTag = '
1772: <translated>
1773: <lang which="en"></lang>
1774: <lang which="default"></lang>
1775: </translated>';
1776: return [
1777: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode($translatedTag)) . "\')", &mt("Translated Block"), undef],
1778: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("block"))) . "\')", &mt("Conditional Block"), undef],
1779: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("postanswerdate"))) . "\')", &mt("After Answer Date Block"), undef],
1780: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("preduedate"))) . "\')", &mt("Before Due Date Block"), undef],
1781: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("solved"))) . "\')", &mt("Block For After Solved"), undef],
1782: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("notsolved"))) . "\')", &mt("Block For When Not Solved"), undef]
1783: ];
1784: }
1785:
1786: sub misc_datastructure {
1787: return [
1788: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_img())) . "\')", &mt("Image"), undef],
1789: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::lonplot::insert_gnuplot())) . "\')", &mt("GNU Plot"), undef],
1790: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicstructure())) . "\')", &mt("Organic Structure"), undef],
1791: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_script())) . "\')", &mt("Script Block"), undef],
1792: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("allow"))) . "\')", &mt("File Dependencies"), undef],
1793: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("import"))) . "\')", &mt("Import a File"), undef],
1794: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::londefdef::insert_meta())) . "\')", &mt("Custom Metadata"), undef],
1795: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("part"))) . "\')", &mt("Problem Part"), undef]
1796: ];
1797: }
1798:
1799: # helper routine for the datastructure building subroutines
1800: sub default_xml_tag {
1801: my ($tag) = @_;
1802: return "\n<$tag></$tag>";
1803: }
1804:
1805: sub helpmenu_datastructure {
1806:
1807: # filename, title, width, height
1808: my $helpers = [
1809: ['Problem_LON-CAPA_Functions.hlp', &mt('Script Functions'), 800, 600],
1810: ['Greek_Symbols.hlp', &mt('Greek Symbols'), 500, 600],
1811: ['Other_Symbols.hlp', &mt('Other Symbols'), 500, 600],
1812: ['Authoring_Output_Tags.hlp', &mt('Output Tags'), 800, 600],
1813: ['Authoring_Multilingual_Problems.hlp', &mt('Languages'), 800, 600],
1814: ];
1815:
1816: my $help_structure = [];
1817:
1818: foreach my $count (0..(scalar(@{$helpers})-1)) {
1819: my $filename = $helpers->[$count]->[0];
1820: my $title = $helpers->[$count]->[1];
1821: my $width = $helpers->[$count]->[2];
1822: my $height = $helpers->[$count]->[3];
1823: if ($width eq '') {
1824: $width = 500;
1825: }
1826: if ($height eq '') {
1827: $height = 600;
1828: }
1829: my $href = &HTML::Entities::encode("javascript:openMyModal('/adm/help/$filename',$width,$height,'yes');");
1830: push @{$help_structure}, [$href, $title, undef];
1831: }
1832:
1833: return $help_structure;
1834: }
1835:
1836: # we need substitution to not break javascript code
1837: sub convert_for_js {
1838: my $return = shift;
1839: $return =~ s|script|ESCAPEDSCRIPT|g;
1840: $return =~ s|\\|\\\\|g;
1841: $return =~ s|\n|\\r\\n|g;
1842: $return =~ s|'|\\'|g;
1843: $return =~ s|'|\\'|g;
1844: return $return;
1845: }
1846:
1847: sub do_ltipassback {
1848: if (@Apache::lonhomework::ltipassback) {
1849: foreach my $item (@Apache::lonhomework::ltipassback) {
1850: if (ref($item) eq 'HASH') {
1851: if ((ref($item->{'lti'}) eq 'HASH') && ($item->{'cid'} =~ /^($match_domain)_($match_courseid)$/)) {
1852: my ($cdom,$cnum) = ($1,$2);
1853: my $msgformat = $item->{'lti'}->{'passbackformat'};
1854: my $sigmethod = 'HMAC-SHA1';
1855: my $ltinum = $item->{'ltinum'};
1856: my $id = $item->{'pbid'};
1857: my $url = $item->{'pburl'};
1858: my $type = $item->{'pbtype'};
1859: my $scope = $item->{'scope'};
1860: my $map = $item->{'ltimap'};
1861: my $symb = $item->{'ltisymb'};
1862: my $uname = $item->{'uname'};
1863: my $udom = $item->{'udom'};
1864: my $keynum = $item->{'lti'}->{'cipher'};
1865: my $crsdef = $item->{'crsdef'};
1866: my $scoretype = $item->{'format'};
1867: my ($total,$possible);
1868: if ($scope eq 'resource') {
1869: $total = $item->{'total'};
1870: $possible = $item->{'possible'};
1871: } elsif ($scope eq 'map') {
1872: ($total,$possible) = &get_lti_score($uname,$udom,$map);
1873: } elsif ($scope eq 'course') {
1874: ($total,$possible) = &get_lti_score($uname,$udom);
1875: }
1876: if (($id ne '') && ($url ne '') && ($possible)) {
1877: &LONCAPA::ltiutils::send_grade($cdom,$cnum,$crsdef,$type,$ltinum,$keynum,$id,$url,$scoretype,$sigmethod,$msgformat,$total,$possible);
1878: }
1879: }
1880: }
1881: }
1882: undef(@Apache::lonhomework::ltipassback);
1883: }
1884: }
1885:
1886: sub get_lti_score {
1887: my ($uname,$udom,$mapurl) = @_;
1888: my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
1889: if (ref($navmap)) {
1890: my $iterator;
1891: if ($mapurl ne '') {
1892: my $map = $navmap->getResourceByUrl($mapurl);
1893: my $firstres = $map->map_start();
1894: my $finishres = $map->map_finish();
1895: $iterator = $navmap->getIterator($firstres,$finishres,undef,1);
1896: } else {
1897: $iterator = $navmap->getIterator(undef,undef,undef,1);
1898: }
1899: if (ref($iterator)) {
1900: my $depth = 1;
1901: my $total = 0;
1902: my $possible = 0;
1903: $iterator->next(); # ignore first BEGIN_MAP
1904: my $curRes = $iterator->next();
1905: while ( $depth > 0 ) {
1906: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
1907: if ($curRes == $iterator->END_MAP()) { $depth--; }
1908: if (ref($curRes) && $curRes->is_gradable() && !$curRes->randomout) {
1909: my $parts = $curRes->parts();
1910: foreach my $part (@{$parts}) {
1911: next if ($curRes->solved($part) eq 'excused');
1912: $total += $curRes->weight($part) * $curRes->awarded($part);
1913: $possible += $curRes->weight($part);
1914: }
1915: }
1916: $curRes = $iterator->next();
1917: }
1918: if ($total > $possible) {
1919: $total = $possible;
1920: }
1921: return ($total,$possible);
1922: }
1923: }
1924: return;
1925: }
1926:
1927: 1;
1928: __END__
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