1: # The LearningOnline Network with CAPA
2: # The LON-CAPA Homework handler
3: #
4: # $Id: lonhomework.pm,v 1.344.2.10.4.8 2024/02/28 21:03:29 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::loncapamath();
53: use Apache::loncourseuser();
54: use Apache::grades();
55: use Apache::Constants qw(:common);
56: use Apache::loncommon();
57: use Apache::lonparmset();
58: use Apache::lonnavmaps();
59: use Apache::lonlocal;
60: use LONCAPA qw(:DEFAULT :match);
61: use LONCAPA::ltiutils();
62: use Time::HiRes qw( gettimeofday tv_interval );
63: use HTML::Entities();
64: use File::Copy();
65:
66: # FIXME - improve commenting
67:
68: my $registered_cleanup;
69:
70: BEGIN {
71: &Apache::lonxml::register_insert();
72: }
73:
74:
75: =pod
76:
77: =item set_bubble_lines()
78:
79: Called at analysis time to set the bubble lines
80: hash for the problem.. This should be called in the
81: end_problemtype tag in analysis mode.
82:
83: We fetch the hash of part id counters from lonxml
84: and push them into analyze:{part_id.bubble_lines}.
85:
86: =cut
87:
88: sub set_bubble_lines {
89: my %bubble_counters = &Apache::lonxml::get_bubble_line_hash();
90:
91: foreach my $key (keys(%bubble_counters)) {
92: $Apache::lonhomework::analyze{"$key.bubble_lines"} =
93: $bubble_counters{"$key"};
94: }
95: }
96:
97: #
98: # Decides what targets to render for.
99: # Implicit inputs:
100: # Various session environment variables:
101: # request.state - published - is a /res/ resource
102: # uploaded - is a /uploaded/ resource
103: # contruct - is a /priv/ resource
104: # form.grade_target - a form parameter requesting a specific target
105: sub get_target {
106: &Apache::lonxml::debug("request.state = $env{'request.state'}");
107: if( defined($env{'form.grade_target'})) {
108: &Apache::lonxml::debug("form.grade_target= $env{'form.grade_target'}");
109: } else {
110: &Apache::lonxml::debug("form.grade_target <undefined>");
111: }
112: if (($env{'request.state'} eq "published") ||
113: ($env{'request.state'} eq "uploaded")) {
114: if ( defined($env{'form.grade_target'} )
115: && ($env{'form.grade_target'} eq 'tex')) {
116: return ($env{'form.grade_target'});
117: } elsif ( defined($env{'form.grade_target'} )
118: && ($Apache::lonhomework::viewgrades eq 'F' )) {
119: return ($env{'form.grade_target'});
120: } elsif ( $env{'form.grade_target'} eq 'webgrade'
121: && ($Apache::lonhomework::queuegrade eq 'F' )) {
122: return ($env{'form.grade_target'});
123: } elsif ($env{'form.grade_target'} eq 'answer') {
124: if ($env{'form.answer_output_mode'} eq 'tex') {
125: return ($env{'form.grade_target'});
126: }
127: }
128: if ($env{'form.webgrade'} &&
129: ($Apache::lonhomework::modifygrades eq 'F'
130: || $Apache::lonhomework::queuegrade eq 'F' )) {
131: return ('grade','webgrade');
132: }
133: if ( defined($env{'form.submitted'}) &&
134: ( !defined($env{'form.newrandomization'}))) {
135: return ('grade', 'web');
136: } else {
137: return ('web');
138: }
139: } elsif ($env{'request.state'} eq "construct") {
140: #
141: # We are in construction space, editing and testing problems
142: #
143: if ( defined($env{'form.grade_target'}) ) {
144: return ($env{'form.grade_target'});
145: }
146: if ( defined($env{'form.preview'})) {
147: if ( defined($env{'form.submitted'})) {
148: #
149: # We are doing a problem preview
150: #
151: return ('grade', 'web');
152: } else {
153: return ('web');
154: }
155: } else {
156: if ($env{'form.problemstate'} eq 'WEB_GRADE') {
157: return ('grade','webgrade','answer');
158: } elsif ($env{'form.problemmode'} eq 'view') {
159: return ('grade','web','answer');
160: } elsif ($env{'form.problemmode'} eq 'saveview') {
161: return ('modified','web','answer');
162: } elsif ($env{'form.problemmode'} eq 'discard') {
163: return ('web','answer');
164: } elsif (($env{'form.problemmode'} eq 'saveedit') ||
165: ($env{'form.problemmode'} eq 'undo')) {
166: my %editors = &Apache::loncommon::permitted_editors();
167: if ($editors{'edit'}) {
168: return ('modified','no_output_web','edit');
169: } else {
170: return ('web');
171: }
172: } elsif ($env{'form.problemmode'} eq 'edit') {
173: my %editors = &Apache::loncommon::permitted_editors();
174: if ($editors{'edit'}) {
175: return ('no_output_web','edit');
176: } else {
177: return ('web');
178: }
179: } else {
180: return ('web');
181: }
182: }
183: #
184: # End of Authoring Space
185: #
186: }
187: #
188: # Huh? We are nowhere, so do nothing.
189: #
190: return ();
191: }
192:
193: sub setup_vars {
194: my ($target) = @_;
195: return ';'
196: # return ';$external::target='.$target.';';
197: }
198:
199: sub proctor_checked_in {
200: my ($slot_name,$slot,$type)=@_;
201: my @possible_proctors=split(",",$slot->{'proctor'});
202:
203: return 1 if (!@possible_proctors);
204:
205: my $key;
206: if ($type eq 'Task') {
207: my $version=$Apache::lonhomework::history{'resource.0.version'};
208: $key ="resource.$version.0.checkedin";
209: } elsif (($type eq 'problem') || ($type eq 'tool')) {
210: $key ='resource.0.checkedin';
211: }
212: # backward compatability, used to be username@domain,
213: # now is username:domain
214: my $who = $Apache::lonhomework::history{$key};
215: if ($who !~ /:/) {
216: $who =~ tr/@/:/;
217: }
218: foreach my $possible (@possible_proctors) {
219: if ($who eq $possible
220: && $Apache::lonhomework::history{$key.'.slot'} eq $slot_name) {
221: return 1;
222: }
223: }
224: return 0;
225: }
226:
227: sub check_slot_access {
228: my ($id,$type,$symb,$partlist)=@_;
229:
230: # does it pass normal muster
231: my ($status,$datemsg)=&check_access($id,$symb);
232:
233: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
234: if ($useslots ne 'resource' && $useslots ne 'map'
235: && $useslots ne 'map_map') {
236: return ($status,$datemsg);
237: }
238:
239: if ($status eq 'SHOW_ANSWER' ||
240: $status eq 'CLOSED' ||
241: $status eq 'INVALID_ACCESS' ||
242: $status eq 'UNAVAILABLE') {
243: return ($status,$datemsg);
244: }
245: if ($env{'request.state'} eq "construct") {
246: return ($status,$datemsg);
247: }
248:
249: if ($type eq 'Task') {
250: my $version=$Apache::lonhomework::history{'resource.version'};
251: if ($Apache::lonhomework::history{"resource.$version.0.checkedin"} &&
252: $Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass') {
253: return ('SHOW_ANSWER');
254: }
255: } elsif (($type eq 'problem') &&
256: ($Apache::lonhomework::browse eq 'F') &&
257: ($ENV{'REMOTE_ADDR'} eq '127.0.0.1') &&
258: ($env{'form.grade_courseid'} eq $env{'request.course.id'}) &&
259: (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}))) {
260: return ($status,$datemsg);
261: }
262:
263: my $availablestudent = &Apache::lonnet::EXT("resource.0.availablestudent",$symb);
264: my $available = &Apache::lonnet::EXT("resource.0.available",$symb);
265: my @slots= (split(':',$availablestudent),split(':',$available));
266:
267: # if (!@slots) {
268: # return ($status,$datemsg);
269: # }
270: my $slotstatus='NOT_IN_A_SLOT';
271: my ($returned_slot,$slot_name);
272: my $now = time;
273: my $num_usable_slots = 0;
274: unless ($symb) {
275: ($symb) = &Apache::lonnet::whichuser();
276: }
277: foreach my $slot (@slots) {
278: $slot =~ s/(^\s*|\s*$)//g;
279: &Apache::lonxml::debug("getting $slot");
280: my %slot=&Apache::lonnet::get_slot($slot);
281: &Apache::lonhomework::showhash(%slot);
282: next if ($slot{'endtime'} < $now);
283: $num_usable_slots ++;
284: if ($slot{'starttime'} < $now &&
285: $slot{'endtime'} > $now &&
286: &Apache::loncommon::check_ip_acc($slot{'ip'})) {
287: &Apache::lonxml::debug("$slot is good");
288: $slotstatus='NEEDS_CHECKIN';
289: $returned_slot=\%slot;
290: $slot_name=$slot;
291: last;
292: }
293: }
294: if ($slotstatus eq 'NEEDS_CHECKIN' &&
295: &proctor_checked_in($slot_name,$returned_slot,$type)) {
296: &Apache::lonxml::debug("proctor checked in");
297: $slotstatus=$status;
298: }
299:
300: my ($is_correct,$got_grade,$checkin,$checkinslot,$checkedin,$consumed_uniq);
301: if ($type eq 'Task') {
302: my $version=$Apache::lonhomework::history{'resource.0.version'};
303: $checkin = "resource.$version.0.checkedin";
304: $got_grade =
305: ($Apache::lonhomework::history{"resource.$version.0.status"}
306: =~ /^(?:pass|fail)$/);
307: $is_correct =
308: ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass'
309: || $Apache::lonhomework::history{"resource.0.solved"} =~ /^correct_/ );
310: $checkedin =
311: $Apache::lonhomework::history{"resource.$version.0.checkedin"};
312: } elsif (($type eq 'problem') || ($type eq 'tool')) {
313: $checkin = 'resource.0.checkedin';
314: $checkedin = $Apache::lonhomework::history{$checkin};
315: }
316: if ($checkedin) {
317: $checkinslot = $Apache::lonhomework::history{"$checkin.slot"};
318: my %slot=&Apache::lonnet::get_slot($checkinslot);
319: $consumed_uniq = $slot{'uniqueperiod'};
320: }
321: if (($type eq 'problem') || ($type eq 'tool')) {
322: if ((ref($partlist) eq 'ARRAY') && (@{$partlist} > 0)) {
323: my ($numcorrect,$numgraded) = (0,0);
324: foreach my $part (@{$partlist}) {
325: my $currtries = $Apache::lonhomework::history{"resource.$part.tries"};
326: my $maxtries = &Apache::lonnet::EXT("resource.$part.maxtries",$symb);
327: my $probstatus = &Apache::structuretags::get_problem_status($part);
328: my $earlyout;
329: unless (($probstatus eq 'no') ||
330: ($probstatus eq 'no_feedback_ever')) {
331: if ($Apache::lonhomework::history{"resource.$part.solved"} =~/^correct_/) {
332: $numcorrect ++;
333: } else {
334: $earlyout = 1;
335: }
336: }
337: if ($currtries == $maxtries) {
338: $earlyout = 1;
339: } else {
340: $numgraded ++;
341: }
342: last if ($earlyout);
343: }
344: my $numparts = scalar(@{$partlist});
345: if ($numparts == $numcorrect) {
346: $is_correct = 1;
347: }
348: if ($numparts == $numgraded) {
349: $got_grade = 1;
350: }
351: } else {
352: my $currtries = $Apache::lonhomework::history{"resource.0.tries"};
353: my $maxtries = &Apache::lonnet::EXT("resource.0.maxtries",$symb);
354: my $probstatus = &Apache::structuretags::get_problem_status('0');
355: unless (($probstatus eq 'no') ||
356: ($probstatus eq 'no_feedback_ever')) {
357: $is_correct =
358: ($Apache::lonhomework::history{"resource.0.solved"} =~/^correct_/);
359: }
360: unless (($currtries == $maxtries) || ($is_correct)) {
361: $got_grade = 1;
362: }
363: }
364: }
365:
366: &Apache::lonxml::debug(" slot is $slotstatus checkedin ($checkedin) got_grade ($got_grade) is_correct ($is_correct)");
367:
368: # no slot is currently open, and has been checked in for this version
369: # but hasn't got a grade, therefore must be awaiting a grade
370: if (!defined($slot_name)
371: && $checkedin
372: && !$got_grade) {
373: return ('WAITING_FOR_GRADE');
374: }
375:
376: # Previously used slot is no longer open, and has been checked in for this version.
377: # However, the problem is not closed, and potentially, another slot might be
378: # used to gain access to it to work on it, until the due date is reached, and the
379: # problem then becomes CLOSED. Therefore return the slotstatus -
380: # (which will be one of: NOT_IN_A_SLOT, RESERVABLE, RESERVABLE_LATER, or NOTRESERVABLE).
381:
382: if (!defined($slot_name) && (($type eq 'problem') || ($type eq 'tool'))) {
383: if ($slotstatus eq 'NOT_IN_A_SLOT') {
384: if (!$num_usable_slots) {
385: if ($env{'request.course.id'}) {
386: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
387: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
388: $slotstatus = 'NOTRESERVABLE';
389: my ($reservable_now_order,$reservable_now,$reservable_future_order,
390: $reservable_future) =
391: &Apache::loncommon::get_future_slots($cnum,$cdom,$now,$symb);
392: if ((ref($reservable_now_order) eq 'ARRAY') && (ref($reservable_now) eq 'HASH')) {
393: if (@{$reservable_now_order} > 0) {
394: if ((!$checkedin) || (ref($consumed_uniq) ne 'ARRAY')) {
395: $slotstatus = 'RESERVABLE';
396: $datemsg = $reservable_now->{$reservable_now_order->[-1]}{'endreserve'};
397: } else {
398: my ($uniqstart,$uniqend,$useslot);
399: if (ref($consumed_uniq) eq 'ARRAY') {
400: ($uniqstart,$uniqend)=@{$consumed_uniq};
401: }
402: foreach my $slot (reverse(@{$reservable_now_order})) {
403: if ($reservable_now->{$slot}{'uniqueperiod'} =~ /^(\d+)\,(\d+)$/) {
404: my ($new_uniq_start,$new_uniq_end) = ($1,$2);
405: next if (!
406: ($uniqstart < $new_uniq_start && $uniqend < $new_uniq_start) ||
407: ($uniqstart > $new_uniq_end && $uniqend > $new_uniq_end ));
408: }
409: $useslot = $slot;
410: last;
411: }
412: if ($useslot) {
413: $slotstatus = 'RESERVABLE';
414: $datemsg = $reservable_now->{$useslot}{'endreserve'};
415: }
416: }
417: }
418: }
419: unless ($slotstatus eq 'RESERVABLE') {
420: if ((ref($reservable_future_order) eq 'ARRAY') && (ref($reservable_future) eq 'HASH')) {
421: if (@{$reservable_future_order} > 0) {
422: if ((!$checkedin) || (ref($consumed_uniq) ne 'ARRAY')) {
423: $slotstatus = 'RESERVABLE_LATER';
424: $datemsg = $reservable_future->{$reservable_future_order->[0]}{'startreserve'};
425: } else {
426: my ($uniqstart,$uniqend,$useslot);
427: if (ref($consumed_uniq) eq 'ARRAY') {
428: ($uniqstart,$uniqend)=@{$consumed_uniq};
429: }
430: foreach my $slot (@{$reservable_future_order}) {
431: if ($reservable_future->{$slot}{'uniqueperiod'} =~ /^(\d+),(\d+)$/) {
432: my ($new_uniq_start,$new_uniq_end) = ($1,$2);
433: next if (!
434: ($uniqstart < $new_uniq_start && $uniqend < $new_uniq_start) ||
435: ($uniqstart > $new_uniq_end && $uniqend > $new_uniq_end ));
436: }
437: $useslot = $slot;
438: last;
439: }
440: if ($useslot) {
441: $slotstatus = 'RESERVABLE_LATER';
442: $datemsg = $reservable_future->{$useslot}{'startreserve'};
443: }
444: }
445: }
446: }
447: }
448: }
449: }
450: }
451: return ($slotstatus,$datemsg);
452: }
453:
454: if ($slotstatus eq 'NOT_IN_A_SLOT'
455: && $checkedin ) {
456:
457: if ($got_grade) {
458: return ('SHOW_ANSWER');
459: } else {
460: return ('WAITING_FOR_GRADE');
461: }
462:
463: }
464:
465: if ( $is_correct) {
466: if (($type eq 'problem') || ($type eq 'tool')) {
467: return ($status);
468: }
469: return ('SHOW_ANSWER');
470: }
471:
472: if ( $status eq 'CANNOT_ANSWER' &&
473: ($slotstatus ne 'NEEDS_CHECKIN' && $slotstatus ne 'NOT_IN_A_SLOT')) {
474: return ($status,$datemsg);
475: }
476:
477: return ($slotstatus,$datemsg,$slot_name,$returned_slot);
478: }
479:
480: # JB, 9/24/2002: Any changes in this function may require a change
481: # in lonnavmaps::resource::getDateStatus.
482: sub check_access {
483: my ($id,$symb) = @_;
484: my $date ='';
485: my $status;
486: my $datemsg = '';
487: my $lastdate = '';
488: my $type;
489: my $passed;
490:
491: if ($env{'request.state'} eq "construct") {
492: if ($env{'form.problemstate'}) {
493: if ($env{'form.problemstate'} =~ /^CANNOT_ANSWER/) {
494: if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct'
495: && &hide_problem_status())) {
496: return ('CANNOT_ANSWER',
497: &mt('is in this state due to author settings.'));
498: }
499: } else {
500: return ($env{'form.problemstate'},
501: &mt('is in this state due to author settings.'));
502: }
503: }
504: &Apache::lonxml::debug("in construction ignoring dates");
505: $status='CAN_ANSWER';
506: $datemsg=&mt('is in under construction');
507: # return ($status,$datemsg);
508: }
509:
510: &Apache::lonxml::debug("checking for part :$id:");
511: &Apache::lonxml::debug("time:".time);
512:
513: unless ($symb) {
514: ($symb)=&Apache::lonnet::whichuser();
515: }
516: &Apache::lonxml::debug("symb:".$symb);
517: #if ($env{'request.state'} ne "construct" && $symb ne '') {
518: if ($env{'request.state'} ne "construct") {
519: my $idacc = &Apache::lonnet::EXT("resource.$id.acc",$symb);
520: my $allowed=&Apache::loncommon::check_ip_acc($idacc);
521: if (!$allowed && ($Apache::lonhomework::browse ne 'F')) {
522: $status='INVALID_ACCESS';
523: $date=&mt("can not be accessed from your location.");
524: return($status,$date);
525: }
526: if ($env{'form.grade_imsexport'}) {
527: if (($env{'request.course.id'}) &&
528: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
529: return ('SHOW_ANSWER');
530: }
531: }
532: foreach my $temp ("opendate","duedate","answerdate") {
533: $lastdate = $date;
534: if ($temp eq 'duedate') {
535: $date = &due_date($id,$symb);
536: } else {
537: $date = &Apache::lonnet::EXT("resource.$id.$temp",$symb);
538: }
539:
540: my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type",$symb);
541: if ($thistype =~ /^(con_lost|no_such_host)/ ||
542: $date =~ /^(con_lost|no_such_host)/) {
543: $status='UNAVAILABLE';
544: $date=&mt("may open later.");
545: return($status,$date);
546: }
547: if ($thistype eq 'date_interval') {
548: if ($temp eq 'opendate') {
549: $date=&Apache::lonnet::EXT("resource.$id.duedate",$symb)-$date;
550: }
551: if ($temp eq 'answerdate') {
552: $date=&Apache::lonnet::EXT("resource.$id.duedate",$symb)+$date;
553: }
554: }
555: &Apache::lonxml::debug("found :$date: for :$temp:");
556: if ($date eq '') {
557: $date = &mt("an unknown date"); $passed = 0;
558: } elsif ($date eq 'con_lost') {
559: $date = &mt("an indeterminate date"); $passed = 0;
560: } else {
561: if (time < $date) { $passed = 0; } else { $passed = 1; }
562: $date = &Apache::lonlocal::locallocaltime($date);
563: }
564: if (!$passed) { $type=$temp; last; }
565: }
566: &Apache::lonxml::debug("have :$type:$passed:");
567: if ($passed) {
568: $status='SHOW_ANSWER';
569: $datemsg=$date;
570: } elsif ($type eq 'opendate') {
571: $status='CLOSED';
572: $datemsg = &mt('will open on [_1]',$date);
573: } elsif ($type eq 'duedate') {
574: $status='CAN_ANSWER';
575: $datemsg = &mt('is due at [_1]',$date);
576: } elsif ($type eq 'answerdate') {
577: $status='CLOSED';
578: $datemsg = &mt('was due on [_1], and answers will be available on [_2]',
579: $lastdate,$date);
580: }
581: }
582: if ($status eq 'CAN_ANSWER' ||
583: (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED'))) {
584: #check #tries, and if correct.
585: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
586: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries",$symb);
587: if ( $tries eq '' ) { $tries = '0'; }
588: if ( $maxtries eq '' &&
589: $env{'request.state'} ne 'construct') { $maxtries = '2'; }
590: if ($maxtries && $tries >= $maxtries) { $status = 'CANNOT_ANSWER'; }
591: # if (correct and show prob status) or excused then CANNOT_ANSWER
592: if ( ($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/)
593: && (&show_problem_status()) ) {
594: if (($Apache::lonhomework::history{"resource.$id.awarded"} >= 1) ||
595: (&Apache::lonnet::EXT("resource.$id.retrypartial",$symb) !~/^1|on|yes$/i)) {
596: $status = 'CANNOT_ANSWER';
597: }
598: } elsif ($Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) {
599: $status = 'CANNOT_ANSWER';
600: }
601: if ($status eq 'CANNOT_ANSWER'
602: && &show_answer_problem_status()) {
603: $status = 'SHOW_ANSWER';
604: }
605: }
606: if ($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER') {
607: my @interval=&Apache::lonnet::EXT("resource.$id.interval",$symb);
608: &Apache::lonxml::debug("looking for interval @interval");
609: if ($interval[0]) {
610: my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
611: &Apache::lonxml::debug("looking for accesstime $first_access");
612: if (!$first_access) {
613: $status='NOT_YET_VIEWED';
614: my $due_date = &due_date($id,$symb);
615: my $seconds_left = $due_date - time;
616: if ($seconds_left > $interval[0] || $due_date eq '') {
617: $seconds_left = $interval[0];
618: }
619: $datemsg=&seconds_to_human_length($seconds_left);
620: }
621: }
622: }
623:
624: #if (($status ne 'CLOSED') && ($Apache::lonhomework::type eq 'exam') &&
625: # (!$Apache::lonhomework::history{"resource.0.outtoken"})) {
626: # return ('UNCHECKEDOUT','needs to be checked out');
627: #}
628:
629: &Apache::lonxml::debug("sending back :$status:$datemsg:");
630: if (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED')) {
631: &Apache::lonxml::debug("should be allowed to browse a resource when closed");
632: $status='CAN_ANSWER';
633: $datemsg=&mt('is closed but you are allowed to view it');
634: }
635:
636: return ($status,$datemsg);
637: }
638: # this should work exactly like the copy in lonnavmaps.pm
639: sub due_date {
640: my ($part_id,$symb,$udom,$uname)=@_;
641: my $date;
642: my @interval= &Apache::lonnet::EXT("resource.$part_id.interval",$symb,
643: $udom,$uname);
644: &Apache::lonxml::debug("looking for interval $part_id $symb @interval");
645: my $due_date= &Apache::lonnet::EXT("resource.$part_id.duedate",$symb,
646: $udom,$uname);
647: &Apache::lonxml::debug("looking for due_date $part_id $symb $due_date");
648: if ($interval[0] =~ /\d+/) {
649: my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
650: &Apache::lonxml::debug("looking for first_access $first_access ($interval[1])");
651: if (defined($first_access)) {
652: my $interval = $first_access+$interval[0];
653: $date = (!$due_date || $interval < $due_date) ? $interval
654: : $due_date;
655: } else {
656: $date = $due_date;
657: }
658: } else {
659: $date = $due_date;
660: }
661: return $date;
662: }
663:
664: sub seconds_to_human_length {
665: my ($length)=@_;
666:
667: my $seconds=$length%60; $length=int($length/60);
668: my $minutes=$length%60; $length=int($length/60);
669: my $hours=$length%24; $length=int($length/24);
670: my $days=$length;
671:
672: my $timestr;
673: if ($days > 0) { $timestr.=&mt('[quant,_1,day]',$days); }
674: if ($hours > 0) { $timestr.=($timestr?", ":"").
675: &mt('[quant,_1,hour]',$hours); }
676: if ($minutes > 0) { $timestr.=($timestr?", ":"").
677: &mt('[quant,_1,minute]',$minutes); }
678: if ($seconds > 0) { $timestr.=($timestr?", ":"").
679: &mt('[quant,_1,second]',$seconds); }
680: return $timestr;
681: }
682:
683: sub showhash {
684: my (%hash) = @_;
685: &showhashsubset(\%hash,'.');
686: return '';
687: }
688:
689: sub showarray {
690: my ($array)=@_;
691: my $string="(";
692: foreach my $elm (@{ $array }) {
693: if (ref($elm) eq 'ARRAY') {
694: $string.=&showarray($elm);
695: } elsif (ref($elm) eq 'HASH') {
696: $string.= "HASH --- \n<br />";
697: $string.= &showhashsubset($elm,'.');
698: } else {
699: $string.="$elm,"
700: }
701: }
702: chop($string);
703: $string.=")";
704: return $string;
705: }
706:
707: sub showhashsubset {
708: my ($hash,$keyre) = @_;
709: my $resultkey;
710: foreach $resultkey (sort(keys(%$hash))) {
711: if ($resultkey !~ /$keyre/) { next; }
712: if (ref($$hash{$resultkey}) eq 'ARRAY' ) {
713: &Apache::lonxml::debug("$resultkey ---- ".
714: &showarray($$hash{$resultkey}));
715: } elsif (ref($$hash{$resultkey}) eq 'HASH' ) {
716: &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");
717: &showhashsubset($$hash{$resultkey},'.');
718: } else {
719: &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");
720: }
721: }
722: &Apache::lonxml::debug("\n<br />restored values^</br>\n");
723: return '';
724: }
725:
726: sub setuppermissions {
727: $Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$env{'request.filename'});
728: unless ($Apache::lonhomework::browse eq 'F') {
729: $Apache::lonhomework::browse=&Apache::lonnet::allowed('bro',$env{'request.filename'});
730: }
731: my $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
732: if (! $viewgrades &&
733: exists($env{'request.course.sec'}) &&
734: $env{'request.course.sec'} !~ /^\s*$/) {
735: $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'}.
736: '/'.$env{'request.course.sec'});
737: if ($viewgrades) {
738: $Apache::lonhomework::viewgradessec = $env{'request.course.sec'};
739: }
740: }
741: $Apache::lonhomework::viewgrades = $viewgrades;
742:
743: if ($Apache::lonhomework::browse eq 'F' &&
744: $env{'form.devalidatecourseresdata'} eq 'on') {
745: my (undef,$courseid) = &Apache::lonnet::whichuser();
746: &Apache::lonnet::devalidatecourseresdata($env{"course.$courseid.num"},
747: $env{"course.$courseid.domain"});
748: }
749:
750: my $modifygrades = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
751: if (! $modifygrades &&
752: exists($env{'request.course.sec'}) &&
753: $env{'request.course.sec'} !~ /^\s*$/) {
754: $modifygrades =
755: &Apache::lonnet::allowed('mgr',$env{'request.course.id'}.
756: '/'.$env{'request.course.sec'});
757: if ($modifygrades) {
758: $Apache::lonhomework::modifygradessec = $env{'request.course.sec'};
759: }
760: }
761: $Apache::lonhomework::modifygrades = $modifygrades;
762:
763: my $queuegrade = &Apache::lonnet::allowed('mqg',$env{'request.course.id'});
764: if (! $queuegrade &&
765: exists($env{'request.course.sec'}) &&
766: $env{'request.course.sec'} !~ /^\s*$/) {
767: $queuegrade =
768: &Apache::lonnet::allowed('qgr',$env{'request.course.id'}.
769: '/'.$env{'request.course.sec'});
770: }
771: $Apache::lonhomework::queuegrade = $queuegrade;
772: return '';
773: }
774:
775: sub unset_permissions {
776: undef($Apache::lonhomework::queuegrade);
777: undef($Apache::lonhomework::modifygrades);
778: undef($Apache::lonhomework::modifygradessec);
779: undef($Apache::lonhomework::viewgrades);
780: undef($Apache::lonhomework::viewgradessec);
781: undef($Apache::lonhomework::browse);
782: }
783:
784: sub setupheader {
785: my $request=$_[0];
786: &Apache::loncommon::content_type($request,'text/html');
787: if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) {
788: &Apache::loncommon::no_cache($request);
789: }
790: # $request->set_last_modified(&Apache::lonnet::metadata($request->uri,
791: # 'lastrevisiondate'));
792: $request->send_http_header;
793: return OK if $request->header_only;
794: return ''
795: }
796:
797: sub handle_save_or_undo {
798: my ($request,$problem,$result,$getobjref) = @_;
799:
800: my $file = &Apache::lonnet::filelocation("",$request->uri);
801: my $filebak =$file.".bak";
802: my $filetmp =$file.".tmp";
803: my $error=0;
804: if (($env{'form.problemmode'} eq 'undo') || ($env{'form.problemmode'} eq 'undoxml')) {
805: my $error=0;
806: if (!&File::Copy::copy($file,$filetmp)) { $error=1; }
807: if ((!$error) && (!&File::Copy::copy($filebak,$file))) { $error=1; }
808: if ((!$error) && (!&File::Copy::move($filetmp,$filebak))) { $error=1; }
809: if (!$error) {
810: &Apache::lonxml::info("<p><b>".
811: &mt("Undid changes, Switched [_1] and [_2]",
812: '<span class="LC_filename">'.$filebak.
813: '</span>',
814: '<span class="LC_filename">'.$file.
815: '</span>')."</b></p>");
816: } else {
817: &Apache::lonxml::info("<p><span class=\"LC_error\">".
818: &mt("Unable to undo, unable to switch [_1] and [_2]",
819: '<span class="LC_filename">'.
820: $filebak.'</span>',
821: '<span class="LC_filename">'.
822: $file.'</span>')."</span></p>");
823: $error=1;
824: }
825: } else {
826: &Apache::lonnet::correct_line_ends($result);
827:
828: my $fs=Apache::File->new(">$filebak");
829: if (defined($fs)) {
830: print $fs $$problem;
831: } else {
832: &Apache::lonxml::info("<span class=\"LC_error\">".
833: &mt("Unable to make backup [_1]",
834: '<span class="LC_filename">'.
835: $filebak.'</span>')."</span>");
836: $error=2;
837: }
838: my $fh=Apache::File->new(">$file");
839: if (defined($fh)) {
840: print $fh $$result;
841: if (ref($getobjref) eq 'SCALAR') {
842: if ($file =~ m{([^/]+)\.(html?)$}) {
843: my $fname = $1;
844: my $ext = $2;
845: my $path = $file;
846: $path =~ s/\Q$fname\E\.\Q$ext\E$//;
847: my (%allfiles,%codebase);
848: &Apache::lonnet::extract_embedded_items($file,\%allfiles,
849: \%codebase,$result);
850: if (keys(%allfiles) > 0) {
851: my $url = $request->uri;
852: my $state = <<STATE;
853: <input type="hidden" name="action" value="upload_embedded" />
854: <input type="hidden" name="url" value="$url" />
855: STATE
856: $$getobjref = "<h3>".&mt("Reference Warning")."</h3>".
857: "<p>".&mt("Completed upload of the file. This file contained references to other files.")."</p>".
858: "<p>".&mt("Please select the locations from which the referenced files are to be uploaded.")."</p>".
859: &Apache::loncommon::ask_for_embedded_content($url,$state,\%allfiles,\%codebase,
860: {'error_on_invalid_names' => 1,
861: 'ignore_remote_references' => 1,});
862: }
863: }
864: }
865: } else {
866: &Apache::lonxml::info('<span class="LC_error">'.
867: &mt("Unable to write to [_1]",
868: '<span class="LC_filename">'.
869: $file.'</span>').
870: '</span>');
871: $error|=4;
872: }
873: }
874: return $error;
875: }
876:
877: sub analyze_header {
878: my ($request) = @_;
879: my $js = &Apache::lonxml::setmode_javascript();
880:
881: # Breadcrumbs
882: my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
883: 'text' => 'Authoring Space'},
884: {'href' => '',
885: 'text' => 'Problem Testing'},
886: {'href' => '',
887: 'text' => 'Analyzing a problem'}];
888:
889: my $result =
890: &Apache::loncommon::start_page('Analyzing a problem',
891: $js,
892: {'bread_crumbs' => $brcrum,})
893: .&Apache::loncommon::head_subbox(
894: &Apache::loncommon::CSTR_pageheader());
895: my %lt = &Apache::lonlocal::texthash(
896: edit => 'Edit',
897: editxml => 'EditXML',
898: );
899: $result .=
900: '<form name="lonhomework" method="post" action="'.
901: &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.
902: '<input type="hidden" name="problemmode" value="'.
903: $env{'form.problemmode'}.'" />'.
904: &Apache::structuretags::remember_problem_state().'
905: <div class="LC_edit_problem_analyze_header">';
906: my %editors = &Apache::loncommon::permitted_editors();
907: foreach my $item ('editxml','edit') {
908: next unless ($editors{$item});
909: $result .= '<input type="button" name="submitmode" value="'.$lt{$item}.'" '.
910: 'onclick="javascript:setmode(this.form,'."'$item'".')" />'.
911: "\n";
912: }
913: $result .=
914: '<hr />
915: <input type="button" name="submitmode" value="'.&mt("View").'" '.
916: 'onclick="javascript:setmode(this.form,'."'view'".')" />
917: <hr />
918: </div>'
919: .&Apache::lonxml::message_location().'
920: </form>';
921: &Apache::lonxml::add_messages(\$result);
922: $request->print($result);
923: $request->rflush();
924: }
925:
926: sub analyze_footer {
927: my ($request) = @_;
928: $request->print(&Apache::loncommon::end_page());
929: $request->rflush();
930: }
931:
932: sub analyze {
933: my ($request,$file) = @_;
934: &Apache::lonxml::debug("Analyze");
935: my $result;
936: my %overall;
937: my %seedexample;
938: my %allparts;
939: my $rndseed=$env{'form.rndseed'};
940: &analyze_header($request);
941: my %prog_state=
942: &Apache::lonhtmlcommon::Create_PrgWin($request,$env{'form.numtoanalyze'});
943: for(my $i=1;$i<$env{'form.numtoanalyze'}+1;$i++) {
944: &Apache::lonhtmlcommon::Increment_PrgWin($request,\%prog_state,'last problem');
945: if (&Apache::loncommon::connection_aborted($request)) { return; }
946: my $thisseed=$i+$rndseed;
947: my $subresult=&Apache::lonnet::ssi($request->uri,
948: ('grade_target' => 'analyze'),
949: ('rndseed' => $thisseed));
950: (my $garbage,$subresult)=split(/_HASH_REF__/,$subresult,2);
951: my %analyze=&Apache::lonnet::str2hash($subresult);
952: my @parts;
953: if (ref($analyze{'parts'}) eq 'ARRAY') {
954: @parts=@{ $analyze{'parts'} };
955: }
956: foreach my $part (@parts) {
957: if (!exists($allparts{$part})) {$allparts{$part}=1;};
958: if ($analyze{$part.'.type'} eq 'numericalresponse' ||
959: $analyze{$part.'.type'} eq 'stringresponse' ||
960: $analyze{$part.'.type'} eq 'formularesponse' ) {
961: foreach my $name (keys(%{ $analyze{$part.'.answer'} })) {
962: my $i=0;
963: foreach my $answer_part (@{ $analyze{$part.'.answer'}{$name} }) {
964: push( @{ $overall{$part.'.answer'}[$i] },
965: $answer_part);
966: my $concatanswer= join("\0",@{ $answer_part });
967: if (($concatanswer eq '') || ($concatanswer=~/^\@/)) {
968: $answer_part = ['<span class="LC_error">'.&mt('Error').'</span>'];
969: }
970: $seedexample{join("\0",$part,$i,@{$answer_part})}=
971: $thisseed;
972: $i++;
973: }
974: }
975: if (!keys(%{ $analyze{$part.'.answer'} })) {
976: my $answer_part =
977: ['<span class="LC_error">'.&mt('Error').'</span>'];
978: $seedexample{join("\0",$part,0,@{$answer_part})}=
979: $thisseed;
980: push( @{ $overall{$part.'.answer'}[0] },
981: $answer_part);
982: }
983: }
984: }
985: }
986: &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state,&mt('Analyzing Results'));
987: $request->print('<hr />'
988: .'<h3>'
989: .&mt('List of possible answers')
990: .'</h3>'
991: );
992: foreach my $part (sort(keys(%allparts))) {
993: if ((ref($overall{$part.'.answer'}) eq 'ARRAY') &&
994: (@{$overall{$part.'.answer'}} > 0)) {
995: for (my $i=0;$i<scalar(@{ $overall{$part.'.answer'} });$i++) {
996: my $num_cols=scalar(@{ $overall{$part.'.answer'}[$i][0] });
997: $request->print(&Apache::loncommon::start_data_table()
998: .&Apache::loncommon::start_data_table_header_row()
999: .'<th colspan="'.($num_cols+1).'">'
1000: .&mt('Part').' '.$part
1001: );
1002: if (scalar(@{ $overall{$part.'.answer'} }) > 1) {
1003: $request->print(' '.&mt('Answer [_1]',$i+1));
1004: }
1005: $request->print('</th>'
1006: .&Apache::loncommon::end_data_table_header_row()
1007: );
1008: my %frequency;
1009: foreach my $answer (sort {$a->[0] <=> $b->[0]} (@{ $overall{$part.'.answer'}[$i] })) {
1010: $frequency{join("\0",@{ $answer })}++;
1011: }
1012: $request->print(&Apache::loncommon::start_data_table_header_row()
1013: .'<th colspan="'.($num_cols).'">'.&mt('Answer').'</th>'
1014: .'<th>'.&mt('Frequency').'<br />'
1015: .'('.&mt('click for example').')</th>'
1016: .&Apache::loncommon::end_data_table_header_row()
1017: );
1018: foreach my $answer (sort {(split("\0",$a))[0] <=> (split("\0",$b))[0]} (keys(%frequency))) {
1019: $request->print(&Apache::loncommon::start_data_table_row()
1020: .'<td>'
1021: .join('</td><td>',split("\0",$answer))
1022: .'</td>'
1023: .'<td>'
1024: .'<a href="'.$request->uri.'?rndseed='.$seedexample{join("\0",$part,$i,$answer)}.'">'.$frequency{$answer}.'</a>'
1025: .'</td>'
1026: .&Apache::loncommon::end_data_table_row()
1027: );
1028: }
1029: $request->print(&Apache::loncommon::end_data_table());
1030: }
1031: } else {
1032: $request->print('<p class="LC_warning">'
1033: .&mt('Response [_1] is not analyzable at this time.',$part)
1034: .'</p>'
1035: );
1036: }
1037: }
1038: if (scalar(keys(%allparts)) == 0 ) {
1039: $request->print('<p class="LC_warning">'
1040: .&mt('Found no analyzable responses in this problem.'
1041: .' Currently only Numerical, Formula and String response styles are supported.')
1042: .'</p>'
1043: );
1044: }
1045: &Apache::lonhtmlcommon::Close_PrgWin($request,\%prog_state);
1046: &analyze_footer($request);
1047: &Apache::lonhomework::showhash(%overall);
1048: return $result;
1049: }
1050:
1051: {
1052: my $show_problem_status;
1053: sub reset_show_problem_status {
1054: undef($show_problem_status);
1055: }
1056:
1057: sub set_show_problem_status {
1058: my ($new_status) = @_;
1059: $show_problem_status = lc($new_status);
1060: }
1061:
1062: sub hide_problem_status {
1063: return ($show_problem_status eq 'no'
1064: || $show_problem_status eq 'no_feedback_ever');
1065: }
1066:
1067: sub show_problem_status {
1068: return ($show_problem_status eq 'yes'
1069: || $show_problem_status eq 'answer'
1070: || $show_problem_status eq '');
1071: }
1072:
1073: sub show_some_problem_status {
1074: return ($show_problem_status eq 'no');
1075: }
1076:
1077: sub show_no_problem_status {
1078: return ($show_problem_status eq 'no_feedback_ever');
1079: }
1080:
1081: sub show_answer_problem_status {
1082: return ($show_problem_status eq 'answer');
1083: }
1084: }
1085:
1086: sub editxmlmode {
1087: my ($request,$file) = @_;
1088: my $result;
1089: my $problem=&Apache::lonnet::getfile($file);
1090: if ($problem eq -1) {
1091: &Apache::lonxml::error(
1092: '<p class="LC_error">'
1093: .&mt('Unable to find [_1]',
1094: '<span class="LC_filename">'.$file.'</span>')
1095: .'</p>');
1096:
1097: $problem='';
1098: }
1099: if (($env{'form.problemmode'} eq 'saveeditxml') ||
1100: ($env{'form.problemmode'} eq 'saveviewxml') ||
1101: ($env{'form.problemmode'} eq 'undoxml')) {
1102: my $error=&handle_save_or_undo($request,\$problem,
1103: \$env{'form.editxmltext'});
1104: if (!$error) { $problem=&Apache::lonnet::getfile($file); }
1105: }
1106: &Apache::lonhomework::showhashsubset(\%env,'^form');
1107: if ($env{'form.problemmode'} eq 'saveviewxml') {
1108: &Apache::lonhomework::showhashsubset(\%env,'^form');
1109: $env{'form.problemmode'}='view';
1110: &renderpage($request,$file);
1111: } else {
1112: my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);
1113: if ($cols > 80) { $cols = 80; }
1114: if ($cols < 70) { $cols = 70; }
1115: if ($rows < 20) { $rows = 20; }
1116: my $js =
1117: &Apache::edit::js_change_detection().
1118: &Apache::loncommon::resize_textarea_js().
1119: &Apache::lonxml::setmode_javascript().
1120: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
1121:
1122: # Breadcrumbs
1123: my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
1124: 'text' => 'Authoring Space'},
1125: {'href' => '',
1126: 'text' => 'Problem Editing'}];
1127:
1128: my $start_page =
1129: &Apache::loncommon::start_page(&mt("EditXML [_1]",$file),$js,
1130: {'no_auto_mt_title' => 1,
1131: 'only_body' => 0,
1132: 'add_entries' => {
1133: 'onresize' => q[resize_textarea('LC_editxmltext','LC_aftertextarea')],
1134: 'onload' => q[resize_textarea('LC_editxmltext','LC_aftertextarea')],
1135: },
1136: 'bread_crumbs' => $brcrum,
1137: });
1138:
1139: $result=$start_page
1140: .&Apache::loncommon::head_subbox(
1141: &Apache::loncommon::CSTR_pageheader());
1142: $result.=&renderpage($request,$file,['no_output_web'],1).
1143: '<form '.&Apache::edit::form_change_detection().' name="lonhomework" method="post" action="'.
1144: &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.
1145: &Apache::structuretags::remember_problem_state().'
1146: <div class="LC_edit_problem_header">
1147: <div class="LC_edit_problem_header_title">'.
1148: &mt('Problem Editing').' '.&Apache::loncommon::help_open_topic('Problem_Editor_XML_Index').
1149: '</div><div class="LC_edit_actionbar" id="actionbar">';
1150:
1151: $result.='<input type="hidden" name="problemmode" value="saveedit" />'.
1152: &Apache::structuretags::problem_edit_buttons('editxml');
1153: $result.='<div>';
1154:
1155: $result .= '<ol class="LC_primary_menu" style="display:inline-block;font-size:90%;vertical-align:middle;">';
1156:
1157: my $nocodemirror = &Apache::loncommon::nocodemirror();
1158: unless ($nocodemirror) {
1159: # dropdown menus
1160: $result .= Apache::lonmenu::create_submenu("#", "",
1161: &mt("Problem Templates"), template_dropdown_datastructure());
1162:
1163: $result .= Apache::lonmenu::create_submenu("#", "",
1164: &mt("Response Types"), responseblock_dropdown_datastructure());
1165:
1166: $result .= Apache::lonmenu::create_submenu("#", "",
1167: &mt("Conditional Blocks"), conditional_scripting_datastructure());
1168:
1169: $result .= Apache::lonmenu::create_submenu("#", "",
1170: &mt("Miscellaneous"), misc_datastructure());
1171: }
1172:
1173: $result .= Apache::lonmenu::create_submenu("#", "",
1174: &mt("Help") . ' <img src="/adm/help/help.png" alt="' . &mt("Help") .
1175: '" style="vertical-align:text-bottom; height: auto; margin:0; "/>',
1176: helpmenu_datastructure(),"");
1177:
1178: $result.="</ol></div>";
1179:
1180: $result .= '</div></div>' .
1181: &Apache::lonxml::message_location() .
1182: &Apache::loncommon::xmleditor_js() .
1183: '<textarea ' . &Apache::edit::element_change_detection() .
1184: ' rows="'.$rows.'" cols="'.$cols.'" style="width:100%" ' .
1185: ' name="editxmltext" id="LC_editxmltext">' .
1186: &HTML::Entities::encode($problem,'<>&"') .
1187: '</textarea> <div id="LC_aftertextarea"> </div> </form>';
1188:
1189: my $resource = $env{'request.ambiguous'};
1190: unless ($nocodemirror) {
1191: $result .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined-xml.css">
1192: <script src="/adm/codemirror/codemirror-compressed-xml.js"></script>
1193: <script>
1194: CodeMirror.defineMode("mixedmode", function(config) {
1195: return CodeMirror.multiplexingMode(
1196: CodeMirror.getMode(config, "xml"),
1197: {
1198: open: "\<script type=\"loncapa/perl\"\>", close: "\</script\>",
1199: mode: CodeMirror.getMode(config, "perl"),
1200: delimStyle: "tag",
1201: }
1202: );
1203: });
1204: var cm = CodeMirror.fromTextArea(document.getElementById("LC_editxmltext"),
1205: {
1206: mode: "mixedmode",
1207: lineWrapping: true,
1208: lineNumbers: true,
1209: tabSize: 4,
1210: indentUnit: 4,
1211:
1212: autoCloseTags: true,
1213: autoCloseBrackets: true,
1214: height: "auto",
1215: styleActiveLine: true,
1216:
1217: extraKeys: {
1218: "Tab": "indentMore",
1219: "Shift-Tab": "indentLess",
1220: }
1221: });
1222: restoreScrollPosition("'.$resource.'");
1223: </script>';
1224: }
1225:
1226: $result .= &Apache::loncommon::end_page();
1227: &Apache::lonxml::add_messages(\$result);
1228: $request->print($result);
1229: }
1230: return '';
1231: }
1232:
1233: #
1234: # Render the page in whatever target desired.
1235: #
1236: sub renderpage {
1237: my ($request,$file,$targets,$return_string,$donebuttonmsg,$viewasuser,$symb) = @_;
1238:
1239: my @targets = @{$targets || [&get_target()]};
1240: &Apache::lonhomework::showhashsubset(\%env,'form.');
1241: &Apache::lonxml::debug("Running targets ".join(':',@targets));
1242:
1243: my $overall_result;
1244: foreach my $target (@targets) {
1245: # FIXME need to do something intelligent when a problem goes
1246: # from viewable to not viewable due to map conditions
1247: #&setuppermissions();
1248: #if ( $Apache::lonhomework::browse ne '2'
1249: # && $Apache::lonhomework::browse ne 'F' ) {
1250: # $request->print(" You most likely shouldn't see me.");
1251: #}
1252: #my $t0 = [&gettimeofday()];
1253: my $output=1;
1254: if ($target eq 'no_output_web') {
1255: $target = 'web'; $output=0;
1256: }
1257: my $problem=&Apache::lonnet::getfile($file);
1258: my $result;
1259: if ($problem eq -1) {
1260: $problem='';
1261: my $filename=(split('/',$file))[-1];
1262: my $error =
1263: &mt('Unable to find [_1]',
1264: '<span class="LC_filename">'.$filename.'</span>');
1265: $result.=
1266: &Apache::loncommon::simple_error_page($request,'Not available',
1267: $error,{'no_auto_mt_msg' => 1});
1268: return;
1269: }
1270:
1271: my %mystyle;
1272: if ($target eq 'analyze') { %Apache::lonhomework::analyze=(); }
1273: if ($target eq 'answer') { &showhash(%Apache::lonhomework::history); }
1274: if ($target eq 'web') {&Apache::lonhomework::showhashsubset(\%env,'^form');}
1275:
1276: if (($target eq 'web') && ($viewasuser ne '') && ($symb ne '')) {
1277: $env{'request.user_in_effect'} = $viewasuser;
1278: }
1279:
1280: &Apache::lonxml::debug("Should be parsing now");
1281: $result .= &Apache::lonxml::xmlparse($request, $target, $problem,
1282: &setup_vars($target),%mystyle);
1283: &finished_parsing();
1284: if (!$output) { $result = ''; }
1285: #$request->print("Result follows:");
1286: if ($target eq 'modified') {
1287: &handle_save_or_undo($request,\$problem,\$result);
1288: } else {
1289: if ($target eq 'analyze') {
1290: $result=&Apache::lonnet::hashref2str(\%Apache::lonhomework::analyze);
1291: undef(%Apache::lonhomework::analyze);
1292: } elsif ($target eq 'web') {
1293: if ($donebuttonmsg) {
1294: $result =~ s{</body>}{};
1295: $result.= &Apache::loncommon::confirmwrapper(&Apache::lonhtmlcommon::confirm_success($donebuttonmsg,1))."\n</body>";
1296: }
1297: }
1298: #my $td=&tv_interval($t0);
1299: #if ( $Apache::lonxml::debug) {
1300: #$result =~ s:</body>::;
1301: #$result.="<br />Spent $td seconds processing target $target\n</body>";
1302: #}
1303: # $request->print($result);
1304: $overall_result.=$result;
1305: if (($target eq 'web') && ($viewasuser ne '') && ($symb ne '')) {
1306: my ($vuname,$vudom) = split(/:/,$viewasuser);
1307: $overall_result .= &Apache::grades::view_as_user($symb,$vuname,$vudom).
1308: '</body></html>';
1309: }
1310: # $request->rflush();
1311: }
1312: if (($target eq 'web') && ($viewasuser ne '') && ($symb ne '')) {
1313: undef($env{'request.user_in_effect'});
1314: }
1315: #$request->print(":Result ends");
1316: #my $td=&tv_interval($t0);
1317: }
1318: if (!$return_string) {
1319: &Apache::lonxml::add_messages(\$overall_result);
1320: $request->print($overall_result);
1321: $request->rflush();
1322: } else {
1323: return $overall_result;
1324: }
1325: }
1326:
1327: sub finished_parsing {
1328: undef($Apache::lonhomework::parsing_a_problem);
1329: undef($Apache::lonhomework::parsing_a_task);
1330: }
1331:
1332: # function extracted from get_template_html
1333: # returns "key" -> list
1334: # key: path of template
1335: # value 1: title
1336: # value 2: category
1337: # value 3: name of help topic ???
1338: sub get_template_list {
1339: my ($extension) = @_;
1340:
1341: my @files = glob($Apache::lonnet::perlvar{'lonIncludes'}.
1342: '/templates/*.'.$extension);
1343: @files = map {[$_,&mt(&Apache::lonnet::metadata($_, 'title')),
1344: (&Apache::lonnet::metadata($_, 'category')?&mt(&Apache::lonnet::metadata($_, 'category')):&mt('Miscellaneous')),
1345: &mt(&Apache::lonnet::metadata($_, 'help'))]} (@files);
1346: @files = sort {$a->[2].$a->[1] cmp $b->[2].$b->[1]} (@files);
1347: return @files;
1348: }
1349:
1350: sub get_template_html {
1351: my ($extension) = @_;
1352: my $result;
1353: my @allnames;
1354: &Apache::lonxml::debug("Looking for :$extension:");
1355: my $glob_extension = $extension;
1356: if ($extension eq 'survey' || $extension eq 'exam') {
1357: $glob_extension = 'problem';
1358: }
1359: my @files = &get_template_list($extension);
1360: my ($midpoint,$seconddiv,$numfiles);
1361: my @noexamplelink = ('blank.problem','blank.library','script.library');
1362: $numfiles = 0;
1363: foreach my $file (@files) {
1364: next if ($file->[1] !~ /\S/);
1365: $numfiles ++;
1366: }
1367: if ($numfiles > 0) {
1368: $result = '<div class="LC_left_float">';
1369: $midpoint = int($numfiles/2);
1370: if ($numfiles%2) {
1371: $midpoint ++;
1372: }
1373: }
1374: my $count = 0;
1375: my $currentcategory='';
1376: my $first = 1;
1377: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
1378: foreach my $file (@files) {
1379: next if ($file->[1] !~ /\S/);
1380: if ($file->[2] ne $currentcategory) {
1381: $currentcategory=$file->[2];
1382: if ((!$seconddiv) && ($count >= $midpoint)) {
1383: $result .= '</div></div>'."\n".'<div class="LC_left_float">'."\n";
1384: $seconddiv = 1;
1385: } elsif (!$first) {
1386: $result.='</div>'."\n";
1387: } else {
1388: $first = 0;
1389: }
1390: $result.= '<div class="LC_Box">'."\n"
1391: .'<h3 class="LC_hcell">'.$currentcategory.'</h3>'."\n";
1392: $count++;
1393: }
1394: $result .=
1395: '<label><input type="radio" name="template" value="'.$file->[0].'" />'.
1396: $file->[1].'</label>';
1397: if ($file->[3]) {
1398: $result.=&Apache::loncommon::help_open_topic($file->[3]);
1399: }
1400: # Provide example link
1401: my $filename=$file->[0];
1402: $filename=~s{^\Q$londocroot\E}{};
1403: if (!(grep($filename =~ /\Q$_\E$/,@noexamplelink))) {
1404: $result .= ' <span class="LC_fontsize_small">'
1405: .&Apache::loncommon::modal_link(
1406: $filename.'?inhibitmenu=yes',&mt('Example'),600,420,'sample')
1407: .'</span>';
1408: }
1409: $result .= '<br />'."\n";
1410: $count ++;
1411: }
1412: if ($numfiles > 0) {
1413: $result .= '</div></div>'."\n".'<div class="LC_clear_float_footer"></div>'."\n";
1414: }
1415: return $result;
1416: }
1417:
1418: sub newproblem {
1419: my ($request) = @_;
1420:
1421: if ($env{'form.mode'} eq 'blank'){
1422: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1423: my $templatefilename =
1424: $request->dir_config('lonIncludes').'/templates/blank.problem';
1425: &File::Copy::copy($templatefilename,$dest);
1426: &renderpage($request,$dest);
1427: return;
1428: }
1429: my $errormsg;
1430: if ($env{'form.template'}) {
1431: my $file;
1432: my ($extension) = ($env{'form.template'} =~ /\.(\w+)$/);
1433: if ($extension) {
1434: my @files = &get_template_list($extension);
1435: foreach my $poss (@files) {
1436: if (ref($poss) eq 'ARRAY') {
1437: if ($env{'form.template'} eq $poss->[0]) {
1438: $file = $env{'form.template'};
1439: last;
1440: }
1441: }
1442: }
1443: if ($file) {
1444: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1445: &File::Copy::copy($file,$dest);
1446: &renderpage($request,$dest);
1447: return;
1448: } else {
1449: $errormsg = '<p class="LC_error">'.&mt('Invalid template file.').'</p>';
1450: }
1451: } else {
1452: $errormsg = '<p class="LC_error">'.&mt('Invalid template file; template needs to be a .problem, .library, or .task file.').'</p>';
1453: }
1454: }
1455:
1456: my ($extension) = ($request->uri =~ m/\.(\w+)$/);
1457: &Apache::lonxml::debug("Looking for :$extension:");
1458: my $templatelist=&get_template_html($extension);
1459: if ($env{'form.newfile'} && !$templatelist) {
1460: # no templates found
1461: my $templatefilename =
1462: $request->dir_config('lonIncludes').'/templates/blank.'.$extension;
1463: &Apache::lonxml::debug("$templatefilename");
1464: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1465: &File::Copy::copy($templatefilename,$dest);
1466: &renderpage($request,$dest);
1467: } else {
1468: my $url=&HTML::Entities::encode($request->uri,'<>&"');
1469: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1470: my $instructions;
1471: my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
1472: 'text' => 'Authoring Space'},
1473: {'href' => '',
1474: 'text' => "Create New $extension"}];
1475: my $start_page =
1476: &Apache::loncommon::start_page("Create New $extension",
1477: undef,
1478: {'bread_crumbs' => $brcrum,});
1479: $request->print(
1480: $start_page
1481: .&Apache::loncommon::head_subbox(
1482: &Apache::loncommon::CSTR_pageheader())
1483: .'<h1>'.&mt("Creating a new $extension resource.")."</h1>
1484: $errormsg
1485: ".&mt("The requested file [_1] currently does not exist.",
1486: '<span class="LC_filename">'.$url.'</span>').'
1487: <p class="LC_info">
1488: '.&mt("To create a new $extension, select a template from the".
1489: " list below. Then click on the \"Create $extension\" button.").'
1490: </p><div><form action="'.$url.'" method="post">');
1491:
1492: if (defined($templatelist)) {
1493: $request->print($templatelist);
1494: }
1495: $request->print('<br /><input type="submit" name="newfile" value="'.
1496: &mt("Create $extension").'" />');
1497: $request->print('</form></div>'.&Apache::loncommon::end_page());
1498: }
1499: return;
1500: }
1501:
1502: sub update_construct_style {
1503: if ($env{'request.state'} eq "construct"
1504: && $env{'form.problemmode'} eq 'view'
1505: && defined($env{'form.submitted'})
1506: && !defined($env{'form.resetdata'})
1507: && !defined($env{'form.newrandomization'})) {
1508: if ((!$env{'form.style_file'} && $env{'construct.style'})
1509: ||$env{'form.clear_style_file'}) {
1510: &Apache::lonnet::delenv('construct.style');
1511: } elsif ($env{'form.style_file'}
1512: && $env{'construct.style'} ne $env{'form.style_file'}) {
1513: &Apache::lonnet::appenv({'construct.style' =>
1514: $env{'form.style_file'}});
1515: }
1516: }
1517: }
1518:
1519: #
1520: # Sets interval for current user so time left will be zero, either for the entire folder
1521: # containing the current resource, or just the resource, depending on value of first item
1522: # in interval array retrieved from EXT("resource.0.interval");
1523: #
1524: sub zero_timer {
1525: my ($symb) = @_;
1526: my ($hastimeleft,$first_access,$now);
1527: my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb);
1528: if (@interval > 1) {
1529: if ($interval[1] eq 'course') {
1530: return ('fail',&mt('Ending of timed events not supported for intervals set course-wide'));
1531: } else {
1532: my $now = time;
1533: my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
1534: if ($first_access > 0) {
1535: my ($timelimit,$donesuffix) = split(/_/,$interval[0],2);
1536: if ($donesuffix =~ /^done(?:|\:[^\:]+\:)(.*)$/) {
1537: my ($dummy,$proctor,$secret) = split(/_/,$1);
1538: if (($proctor) && ($secret ne '')) {
1539: my $key = $env{'form.LC_interval_done_proctorpass'};
1540: $key =~ s/^\s+//;
1541: $key =~ s/\s+$//;
1542: if ($env{'form.LC_interval_done_proctorpass'} ne $secret) {
1543: return ('fail',
1544: &mt('Incorrect key entered by proctor'));
1545: }
1546: }
1547: if ($first_access+$timelimit > $now) {
1548: my $done_time = $now - $first_access;
1549: my $snum = 1;
1550: if ($interval[1] eq 'map') {
1551: $snum = 2;
1552: }
1553: my $result =
1554: &Apache::lonparmset::storeparm_by_symb_inner($symb,'0_interval',
1555: $snum,$done_time,
1556: 'date_interval',
1557: $env{'user.name'},
1558: $env{'user.domain'});
1559: if ($result eq '') {
1560: # Record action in "User Notes"
1561: &Apache::lonmsg::store_instructor_comment(
1562: 'Pressed Done button for symb:<br />'.$symb,
1563: $env{'user.name'}, $env{'user.domain'});
1564: return ('ok');
1565: } else {
1566: return ('fail',&mt('Error ending timed event: [_1]',$result));
1567: }
1568: } else {
1569: return ('fail',&mt('Timed event already ended'));
1570: }
1571: } else {
1572: return ('fail',&mt('Timed event can not be ended before the time limit'));
1573: }
1574: } else {
1575: return ('fail',&mt('Timer not yet started for this timed event'));
1576: }
1577: }
1578: } else {
1579: return ('fail',&mt('No timer in use'));
1580: }
1581: return();
1582: }
1583:
1584: sub handler {
1585: #my $t0 = [&gettimeofday()];
1586: my $request=$_[0];
1587: $Apache::lonxml::request=$request;
1588: $Apache::lonxml::debug=$env{'user.debug'};
1589: $env{'request.uri'}=$request->uri;
1590: &setuppermissions();
1591:
1592: my $file=&Apache::lonnet::filelocation("",$request->uri);
1593:
1594: #check if we know where we are
1595: if ($env{'request.course.fn'} && !&Apache::lonnet::symbread('','',1,1)) {
1596: # if we are browsing we might not be able to know where we are
1597: if ($Apache::lonhomework::browse ne 'F' &&
1598: $env{'request.state'} ne "construct") {
1599: #should know where we are, so ask
1600: &unset_permissions();
1601: $request->internal_redirect('/adm/ambiguous');
1602: return OK;
1603: }
1604: }
1605: if (&setupheader($request)) {
1606: &unset_permissions();
1607: return OK;
1608: }
1609:
1610: &Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:$Apache::lonhomework::modifygrades:$Apache::lonhomework::queuegrade");
1611: &Apache::lonxml::debug("Problem Mode ".$env{'form.problemmode'});
1612: my ($symb) = &Apache::lonnet::whichuser();
1613: &Apache::lonxml::debug('symb is '.$symb);
1614: if ($env{'request.state'} eq "construct") {
1615: if ( -e $file ) {
1616: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1617: ['problemmode']);
1618: if (!(defined $env{'form.problemmode'})) {
1619: #first visit to problem in construction space
1620: $env{'form.problemmode'}= 'view';
1621: &renderpage($request,$file);
1622: } elsif (($env{'form.problemmode'} eq 'editxml') ||
1623: ($env{'form.problemmode'} eq 'saveeditxml') ||
1624: ($env{'form.problemmode'} eq 'saveviewxml') ||
1625: ($env{'form.problemmode'} eq 'undoxml')) {
1626: my %editors = &Apache::loncommon::permitted_editors();
1627: if (($editors{'xml'}) || ($env{'form.problemmode'} eq 'saveviewxml') || ($env{'form.problemmode'} eq 'undoxml')) {
1628: &editxmlmode($request,$file);
1629: } else {
1630: &update_construct_style();
1631: &renderpage($request,$file);
1632: }
1633: } elsif ($env{'form.problemmode'} eq 'calcanswers') {
1634: &analyze($request,$file);
1635: } else {
1636: &update_construct_style();
1637: &renderpage($request,$file);
1638: }
1639: } else {
1640: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1641: ['mode']);
1642: # requested file doesn't exist in contruction space
1643: &newproblem($request);
1644: }
1645: } else {
1646: # Set the event timer to zero if the "done button" was clicked. The button is
1647: # part of the doneButton form created in lonmenu.pm
1648: my ($donebuttonresult,$donemsg,$viewasuser);
1649: if ($symb && $env{'form.LC_interval_done'} eq 'true') {
1650: ($donebuttonresult,$donemsg) = &zero_timer($symb);
1651: undef($env{'form.LC_interval_done'});
1652: undef($env{'form.LC_interval_done_proctorpass'});
1653: }
1654: if (($env{'form.LC_viewas'} ne '') && $symb && $env{'request.course.id'} &&
1655: ($Apache::lonhomework::viewgrades || $Apache::lonhomework::modifygrades)) {
1656: if ($env{'form.LC_viewas'} =~ /^($match_username):($match_domain)$/) {
1657: my ($possuname,$possudom) = ($1,$2);
1658: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1659: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1660: my ($canview,$posssec);
1661: if ($env{'request.course.sec'} ne '') {
1662: if ($Apache::lonhomework::modifygradessec eq $env{'request.course.sec'}) {
1663: $canview = 'section';
1664: $posssec = $env{'request.course.sec'};
1665: } elsif ($Apache::lonhomework::viewgradessec eq $env{'request.course.sec'}) {
1666: $canview = 'section';
1667: $posssec = $env{'request.course.sec'};
1668: }
1669: }
1670: my $crstype = &Apache::loncommon::course_type();
1671: if (&Apache::loncourseuser::is_course_user($possudom,$possuname,$cdom,$cnum,
1672: $canview,$crstype,$posssec)) {
1673: $viewasuser = $possuname.':'.$possudom;
1674: }
1675: }
1676: undef($env{'form.LC_viewas'});
1677: }
1678: # just render the page normally outside of construction space
1679: &Apache::lonxml::debug("not construct");
1680: undef(@Apache::lonhomework::ltipassback);
1681: &renderpage($request,$file,undef,undef,$donemsg,$viewasuser,$symb);
1682: if (@Apache::lonhomework::ltipassback) {
1683: unless ($registered_cleanup) {
1684: my $handlers = $request->get_handlers('PerlCleanupHandler');
1685: $request->set_handlers('PerlCleanupHandler' =>
1686: [\&do_ltipassback,@{$handlers}]);
1687: }
1688: }
1689: }
1690: #my $td=&tv_interval($t0);
1691: #&Apache::lonxml::debug("Spent $td seconds processing");
1692: # always turn off debug messages
1693: $Apache::lonxml::debug=0;
1694: &unset_permissions();
1695: return OK;
1696:
1697: }
1698:
1699: sub template_dropdown_datastructure {
1700: # gathering the all templates and their path, title, category and help topic
1701: my @templates = get_template_list('problem');
1702: # template category => title
1703: my %tmplthash = ();
1704: # template title => path
1705: my %tmpltcontent = ();
1706:
1707: foreach my $template (@templates){
1708: # put in hash if the template is not empty
1709: unless ($template->[1] eq ''){
1710: push(@{$tmplthash{$template->[2]}}, $template->[1]);
1711: push(@{$tmpltcontent{$template->[1]}},$template->[0]);
1712: }
1713: }
1714:
1715: my $catList = [];
1716: foreach my $cat (sort keys %tmplthash) {
1717: my $catItems = [];
1718: foreach my $title (sort @{$tmplthash{$cat}}) {
1719: my $path = $tmpltcontent{$title}->[0];
1720: my $code;
1721: open(FH, "<$path");
1722: while(<FH>){
1723: $code.= $_ unless $_ =~ /(<problem>)|(<\/problem>)/;
1724: }
1725: close(FH);
1726:
1727: if ($code ne '') {
1728: my $href = 'javascript:insertText(\'' . &convert_for_js(&HTML::Entities::encode($code,'<>&"')) . '\')';
1729: my $currItem = [$href, $title, undef];
1730: push @{$catItems}, $currItem;
1731: }
1732: }
1733: push @{$catList}, [$catItems, $cat, undef];
1734: }
1735:
1736: return $catList;
1737: }
1738:
1739: sub responseblock_dropdown_datastructure {
1740:
1741: my $mathCat = [
1742: [
1743: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_formularesponse())) . "\')", &mt("Formula Response"), undef],
1744: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_functionplotresponse())) . "\')", &mt("Function Plot Response"), undef],
1745: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_mathresponse())) . "\')", &mt("Math Response"), undef],
1746: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_numericalresponse())) . "\')", &mt("Numerical Response"), undef]
1747: ],
1748: &mt("Math"),
1749: undef
1750: ];
1751:
1752: my $miscCat = [
1753: [
1754: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_imageresponse())) . "\')", &mt("Click on Image"), undef],
1755: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_customresponse())) . "\')", &mt("Custom Response"), undef],
1756: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_externalresponse())) . "\')", &mt("External Response"), undef],
1757: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_matchresponse())) . "\')", &mt("Match Two Lists"), undef],
1758: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_radiobuttonresponse())) . "\')", &mt("One out of N statements"), undef],
1759: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_optionresponse())) . "\')", &mt("Select from Options"), undef],
1760: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_rankresponse())) . "\')", &mt("Rank Values"), undef]
1761: ],
1762: &mt("Miscellaneous"),
1763: undef
1764: ];
1765:
1766: my $chemCat = [
1767: [
1768: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_reactionresponse())) . "\')", &mt("Chemical Reaction"), undef],
1769: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicresponse())) . "\')", &mt("Organic Chemical Structure"), undef]
1770: ],
1771: &mt("Chemistry"),
1772: undef
1773: ];
1774:
1775: my $textCat = [
1776: [
1777: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_stringresponse())) . "\')", &mt("String Response"), undef],
1778: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_essayresponse())) . "\')", &mt("Essay"), undef]
1779: ],
1780: &mt("Text"),
1781: undef
1782: ];
1783:
1784: return [$mathCat, $miscCat, $chemCat, $textCat];
1785: }
1786:
1787:
1788: sub conditional_scripting_datastructure {
1789: # TODO: corresponding routines should be used for the javascript:insertText parts
1790: # instead of the placeholder routine default_xml_tag with the tags
1791: # e.g. &default_xml_tag("postanswerdate") should be replaced with a routine which
1792: # returns the corresponding content for this case
1793:
1794: #TODO translated is currently temporarily here, another solution should be found where the
1795: # needed string can be retrieved
1796:
1797: my $translatedTag = '
1798: <translated>
1799: <lang which="en"></lang>
1800: <lang which="default"></lang>
1801: </translated>';
1802: return [
1803: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode($translatedTag)) . "\')", &mt("Translated Block"), undef],
1804: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("block"))) . "\')", &mt("Conditional Block"), undef],
1805: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("postanswerdate"))) . "\')", &mt("After Answer Date Block"), undef],
1806: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("preduedate"))) . "\')", &mt("Before Due Date Block"), undef],
1807: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("solved"))) . "\')", &mt("Block For After Solved"), undef],
1808: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("notsolved"))) . "\')", &mt("Block For When Not Solved"), undef]
1809: ];
1810: }
1811:
1812: sub misc_datastructure {
1813: return [
1814: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_img())) . "\')", &mt("Image"), undef],
1815: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::lonplot::insert_gnuplot())) . "\')", &mt("GNU Plot"), undef],
1816: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicstructure())) . "\')", &mt("Organic Structure"), undef],
1817: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_script())) . "\')", &mt("Script Block"), undef],
1818: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("allow"))) . "\')", &mt("File Dependencies"), undef],
1819: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("import"))) . "\')", &mt("Import a File"), undef],
1820: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::londefdef::insert_meta())) . "\')", &mt("Custom Metadata"), undef],
1821: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("part"))) . "\')", &mt("Problem Part"), undef]
1822: ];
1823: }
1824:
1825: # helper routine for the datastructure building subroutines
1826: sub default_xml_tag {
1827: my ($tag) = @_;
1828: return "\n<$tag></$tag>";
1829: }
1830:
1831: sub helpmenu_datastructure {
1832:
1833: # filename, title, width, height
1834: my $helpers = [
1835: ['Problem_LON-CAPA_Functions.hlp', &mt('Script Functions'), 800, 600],
1836: ['Greek_Symbols.hlp', &mt('Greek Symbols'), 500, 600],
1837: ['Other_Symbols.hlp', &mt('Other Symbols'), 500, 600],
1838: ['Authoring_Output_Tags.hlp', &mt('Output Tags'), 800, 600],
1839: ['Authoring_Multilingual_Problems.hlp', &mt('Languages'), 800, 600],
1840: ['loncapa.html', &mt('Reference'), 800, 600],
1841: ];
1842:
1843: my $help_structure = [];
1844:
1845: foreach my $count (0..(scalar(@{$helpers})-1)) {
1846: my $filename = $helpers->[$count]->[0];
1847: my $title = $helpers->[$count]->[1];
1848: my $width = $helpers->[$count]->[2];
1849: my $height = $helpers->[$count]->[3];
1850: if ($width eq '') {
1851: $width = 500;
1852: }
1853: if ($height eq '') {
1854: $height = 600;
1855: }
1856: my $href = &HTML::Entities::encode("javascript:openMyModal('/adm/help/$filename',$width,$height,'yes');");
1857: push @{$help_structure}, [$href, $title, undef];
1858: }
1859:
1860: return $help_structure;
1861: }
1862:
1863: # we need substitution to not break javascript code
1864: sub convert_for_js {
1865: my $return = shift;
1866: $return =~ s|script|ESCAPEDSCRIPT|g;
1867: $return =~ s|\\|\\\\|g;
1868: $return =~ s|\n|\\r\\n|g;
1869: $return =~ s|'|\\'|g;
1870: $return =~ s|'|\\'|g;
1871: return $return;
1872: }
1873:
1874: sub do_ltipassback {
1875: if (@Apache::lonhomework::ltipassback) {
1876: foreach my $item (@Apache::lonhomework::ltipassback) {
1877: if (ref($item) eq 'HASH') {
1878: if ((ref($item->{'lti'}) eq 'HASH') && ($item->{'cid'} =~ /^($match_domain)_($match_courseid)$/)) {
1879: my ($cdom,$cnum) = ($1,$2);
1880: my $msgformat = $item->{'lti'}->{'passbackformat'};
1881: my $sigmethod = 'HMAC-SHA1';
1882: my $ltinum = $item->{'ltinum'};
1883: my $id = $item->{'pbid'};
1884: my $url = $item->{'pburl'};
1885: my $type = $item->{'pbtype'};
1886: my $scope = $item->{'scope'};
1887: my $map = $item->{'pbmap'};
1888: my $symb = $item->{'pbsymb'};
1889: my $uname = $item->{'uname'};
1890: my $udom = $item->{'udom'};
1891: my $keynum = $item->{'lti'}->{'cipher'};
1892: my $crsdef = $item->{'crsdef'};
1893: my $scoretype = $item->{'format'};
1894: my ($total,$possible);
1895: if ($scope eq 'resource') {
1896: $total = $item->{'total'};
1897: $possible = $item->{'possible'};
1898: } elsif (($scope eq 'map') || ($scope eq 'nonrec')) {
1899: ($total,$possible) = &get_lti_score($uname,$udom,$map,$scope);
1900: } elsif ($scope eq 'course') {
1901: ($total,$possible) = &get_lti_score($uname,$udom);
1902: }
1903: if (($id ne '') && ($url ne '') && ($possible)) {
1904: &LONCAPA::ltiutils::send_grade($cdom,$cnum,$crsdef,$type,$ltinum,$keynum,$id,$url,$scoretype,$sigmethod,$msgformat,$total,$possible);
1905: }
1906: }
1907: }
1908: }
1909: undef(@Apache::lonhomework::ltipassback);
1910: }
1911: }
1912:
1913: sub get_lti_score {
1914: my ($uname,$udom,$mapurl,$scope) = @_;
1915: my $navmap = Apache::lonnavmaps::navmap->new($uname,$udom);
1916: if (ref($navmap)) {
1917: my $iterator;
1918: if ($mapurl ne '') {
1919: my $map = $navmap->getResourceByUrl($mapurl);
1920: my $firstres = $map->map_start();
1921: my $finishres = $map->map_finish();
1922: my $recursive = 1;
1923: if ($scope eq 'nonrec') {
1924: $recursive = 0;
1925: }
1926: $iterator = $navmap->getIterator($firstres,$finishres,undef,$recursive);
1927: } else {
1928: $iterator = $navmap->getIterator(undef,undef,undef,1);
1929: }
1930: if (ref($iterator)) {
1931: my $depth = 1;
1932: my $total = 0;
1933: my $possible = 0;
1934: $iterator->next(); # ignore first BEGIN_MAP
1935: my $curRes = $iterator->next();
1936: while ( $depth > 0 ) {
1937: if ($curRes == $iterator->BEGIN_MAP()) {$depth++;}
1938: if ($curRes == $iterator->END_MAP()) { $depth--; }
1939: if (ref($curRes) && $curRes->is_gradable() && !$curRes->randomout) {
1940: my $parts = $curRes->parts();
1941: foreach my $part (@{$parts}) {
1942: next if ($curRes->solved($part) eq 'excused');
1943: $total += $curRes->weight($part) * $curRes->awarded($part);
1944: $possible += $curRes->weight($part);
1945: }
1946: }
1947: $curRes = $iterator->next();
1948: }
1949: if ($total > $possible) {
1950: $total = $possible;
1951: }
1952: return ($total,$possible);
1953: }
1954: }
1955: return;
1956: }
1957:
1958: 1;
1959: __END__
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