Annotation of loncom/homework/lonhomework.pm, revision 1.370
1.63 albertel 1: # The LearningOnline Network with CAPA
1.52 albertel 2: # The LON-CAPA Homework handler
1.63 albertel 3: #
1.370 ! raeburn 4: # $Id: lonhomework.pm,v 1.369 2017/12/22 02:00:39 raeburn Exp $
1.63 albertel 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/
1.159 www 27:
1.1 albertel 28:
29: package Apache::lonhomework;
30: use strict;
1.73 albertel 31: use Apache::style();
32: use Apache::lonxml();
1.204 albertel 33: use Apache::lonnet;
1.73 albertel 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();
1.83 albertel 41: use Apache::caparesponse();
42: use Apache::radiobuttonresponse();
43: use Apache::optionresponse();
44: use Apache::imageresponse();
45: use Apache::essayresponse();
46: use Apache::externalresponse();
1.106 albertel 47: use Apache::rankresponse();
1.107 albertel 48: use Apache::matchresponse();
1.137 albertel 49: use Apache::chemresponse();
1.321 www 50: use Apache::functionplotresponse();
1.169 albertel 51: use Apache::drawimage();
1.355 damieng 52: use Apache::loncapamath();
1.26 www 53: use Apache::Constants qw(:common);
1.83 albertel 54: use Apache::loncommon();
1.354 musolffc 55: use Apache::lonparmset();
1.146 albertel 56: use Apache::lonlocal;
1.179 albertel 57: use Time::HiRes qw( gettimeofday tv_interval );
1.282 albertel 58: use HTML::Entities();
59: use File::Copy();
1.188 foxr 60:
1.189 albertel 61: # FIXME - improve commenting
1.188 foxr 62:
1.43 albertel 63:
1.69 harris41 64: BEGIN {
1.145 albertel 65: &Apache::lonxml::register_insert();
1.43 albertel 66: }
67:
1.188 foxr 68:
1.276 foxr 69: =pod
70:
71: =item set_bubble_lines()
72:
73: Called at analysis time to set the bubble lines
74: hash for the problem.. This should be called in the
75: end_problemtype tag in analysis mode.
76:
77: We fetch the hash of part id counters from lonxml
78: and push them into analyze:{part_id.bubble_lines}.
79:
80: =cut
81:
82: sub set_bubble_lines {
83: my %bubble_counters = &Apache::lonxml::get_bubble_line_hash();
84:
85: foreach my $key (keys(%bubble_counters)) {
86: $Apache::lonhomework::analyze{"$key.bubble_lines"} =
87: $bubble_counters{"$key"};
88: }
89: }
90:
1.301 jms 91: #
92: # Decides what targets to render for.
93: # Implicit inputs:
94: # Various session environment variables:
95: # request.state - published - is a /res/ resource
96: # uploaded - is a /uploaded/ resource
97: # contruct - is a /priv/ resource
98: # form.grade_target - a form parameter requesting a specific target
1.5 albertel 99: sub get_target {
1.204 albertel 100: &Apache::lonxml::debug("request.state = $env{'request.state'}");
101: if( defined($env{'form.grade_target'})) {
102: &Apache::lonxml::debug("form.grade_target= $env{'form.grade_target'}");
1.188 foxr 103: } else {
1.189 albertel 104: &Apache::lonxml::debug("form.grade_target <undefined>");
1.188 foxr 105: }
1.204 albertel 106: if (($env{'request.state'} eq "published") ||
107: ($env{'request.state'} eq "uploaded")) {
108: if ( defined($env{'form.grade_target'} )
109: && ($env{'form.grade_target'} eq 'tex')) {
110: return ($env{'form.grade_target'});
111: } elsif ( defined($env{'form.grade_target'} )
1.145 albertel 112: && ($Apache::lonhomework::viewgrades eq 'F' )) {
1.207 albertel 113: return ($env{'form.grade_target'});
1.244 albertel 114: } elsif ( $env{'form.grade_target'} eq 'webgrade'
115: && ($Apache::lonhomework::queuegrade eq 'F' )) {
116: return ($env{'form.grade_target'});
1.320 raeburn 117: } elsif ($env{'form.grade_target'} eq 'answer') {
118: if ($env{'form.answer_output_mode'} eq 'tex') {
119: return ($env{'form.grade_target'});
120: }
121: }
1.207 albertel 122: if ($env{'form.webgrade'} &&
1.244 albertel 123: ($Apache::lonhomework::modifygrades eq 'F'
124: || $Apache::lonhomework::queuegrade eq 'F' )) {
1.207 albertel 125: return ('grade','webgrade');
1.145 albertel 126: }
1.204 albertel 127: if ( defined($env{'form.submitted'}) &&
128: ( !defined($env{'form.newrandomization'}))) {
1.217 albertel 129: return ('grade', 'web');
1.145 albertel 130: } else {
1.217 albertel 131: return ('web');
1.145 albertel 132: }
1.204 albertel 133: } elsif ($env{'request.state'} eq "construct") {
1.323 www 134: #
135: # We are in construction space, editing and testing problems
136: #
1.204 albertel 137: if ( defined($env{'form.grade_target'}) ) {
138: return ($env{'form.grade_target'});
1.145 albertel 139: }
1.204 albertel 140: if ( defined($env{'form.preview'})) {
141: if ( defined($env{'form.submitted'})) {
1.323 www 142: #
143: # We are doing a problem preview
144: #
1.145 albertel 145: return ('grade', 'web');
146: } else {
147: return ('web');
148: }
149: } else {
1.267 albertel 150: if ($env{'form.problemstate'} eq 'WEB_GRADE') {
151: return ('grade','webgrade','answer');
1.324 www 152: } elsif ($env{'form.problemmode'} eq 'view') {
153: return ('grade','web','answer');
1.323 www 154: } elsif ($env{'form.problemmode'} eq 'saveview') {
155: return ('modified','web','answer');
156: } elsif ($env{'form.problemmode'} eq 'discard') {
157: return ('web','answer');
158: } elsif (($env{'form.problemmode'} eq 'saveedit') ||
159: ($env{'form.problemmode'} eq 'undo')) {
160: return ('modified','no_output_web','edit');
161: } elsif ($env{'form.problemmode'} eq 'edit') {
162: return ('no_output_web','edit');
1.145 albertel 163: } else {
164: return ('web');
165: }
1.323 www 166: }
167: #
1.338 raeburn 168: # End of Authoring Space
1.323 www 169: #
1.15 albertel 170: }
1.323 www 171: #
172: # Huh? We are nowhere, so do nothing.
173: #
1.145 albertel 174: return ();
1.5 albertel 175: }
176:
1.3 albertel 177: sub setup_vars {
1.145 albertel 178: my ($target) = @_;
179: return ';'
1.11 albertel 180: # return ';$external::target='.$target.';';
1.2 albertel 181: }
182:
1.200 albertel 183: sub proctor_checked_in {
1.226 albertel 184: my ($slot_name,$slot,$type)=@_;
185: my @possible_proctors=split(",",$slot->{'proctor'});
186:
1.248 albertel 187: return 1 if (!@possible_proctors);
188:
1.226 albertel 189: my $key;
190: if ($type eq 'Task') {
1.230 albertel 191: my $version=$Apache::lonhomework::history{'resource.0.version'};
192: $key ="resource.$version.0.checkedin";
1.369 raeburn 193: } elsif (($type eq 'problem') || ($type eq 'tool')) {
1.226 albertel 194: $key ='resource.0.checkedin';
195: }
1.249 albertel 196: # backward compatability, used to be username@domain,
197: # now is username:domain
198: my $who = $Apache::lonhomework::history{$key};
199: if ($who !~ /:/) {
200: $who =~ tr/@/:/;
201: }
1.226 albertel 202: foreach my $possible (@possible_proctors) {
1.249 albertel 203: if ($who eq $possible
1.226 albertel 204: && $Apache::lonhomework::history{$key.'.slot'} eq $slot_name) {
1.202 albertel 205: return 1;
206: }
207: }
1.200 albertel 208: return 0;
209: }
210:
1.226 albertel 211: sub check_slot_access {
1.363 raeburn 212: my ($id,$type,$symb,$partlist)=@_;
1.226 albertel 213:
1.207 albertel 214: # does it pass normal muster
1.356 raeburn 215: my ($status,$datemsg)=&check_access($id,$symb);
1.370 ! raeburn 216:
1.356 raeburn 217: my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
1.251 albertel 218: if ($useslots ne 'resource' && $useslots ne 'map'
219: && $useslots ne 'map_map') {
1.226 albertel 220: return ($status,$datemsg);
221: }
222:
1.358 raeburn 223: my $checkin = 'resource.0.checkedin';
224: my $version;
225: if ($type eq 'Task') {
226: $version=$Apache::lonhomework::history{'resource.version'};
227: $checkin = "resource.$version.0.checkedin";
228: }
229: my $checkedin = $Apache::lonhomework::history{$checkin};
1.363 raeburn 230: my ($returned_slot,$slot_name,$checkinslot,$ipused,$blockip,$now,$ip,
231: $consumed_uniq);
1.358 raeburn 232: $now = time;
1.364 raeburn 233: $ip=$ENV{'REMOTE_ADDR'} || $env{'request.host'};
1.358 raeburn 234:
235: if ($checkedin) {
236: $checkinslot = $Apache::lonhomework::history{"$checkin.slot"};
237: my %slot=&Apache::lonnet::get_slot($checkinslot);
1.363 raeburn 238: $consumed_uniq = $slot{'uniqueperiod'};
1.358 raeburn 239: if ($slot{'iptied'}) {
240: $ipused = $Apache::lonhomework::history{"$checkin.ip"};
241: unless (($ip ne '') && ($ipused eq $ip)) {
242: $blockip = $slot{'iptied'};
243: $slot_name = $checkinslot;
244: $returned_slot = \%slot;
245: }
246: }
247: }
248:
249: if ($status eq 'SHOW_ANSWER') {
250: if ($blockip eq 'answer') {
251: return ('NEED_DIFFERENT_IP','',$slot_name,$returned_slot,$ipused);
252: } else {
253: return ($status,$datemsg);
254: }
255: }
256:
257: if ($status eq 'CLOSED' ||
1.200 albertel 258: $status eq 'INVALID_ACCESS' ||
259: $status eq 'UNAVAILABLE') {
260: return ($status,$datemsg);
261: }
1.204 albertel 262: if ($env{'request.state'} eq "construct") {
1.203 albertel 263: return ($status,$datemsg);
264: }
1.226 albertel 265:
266: if ($type eq 'Task') {
1.358 raeburn 267: if ($checkedin &&
1.230 albertel 268: $Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass') {
1.358 raeburn 269: if ($blockip eq 'answer') {
270: return ('NEED_DIFFERENT_IP','',$slot_name,$returned_slot,$ipused);
271: } else {
272: return ('SHOW_ANSWER');
273: }
274: }
1.207 albertel 275: }
1.226 albertel 276:
1.356 raeburn 277: my $availablestudent = &Apache::lonnet::EXT("resource.0.availablestudent",$symb);
278: my $available = &Apache::lonnet::EXT("resource.0.available",$symb);
1.288 raeburn 279: my @slots= (split(':',$availablestudent),split(':',$available));
1.210 albertel 280:
1.200 albertel 281: # if (!@slots) {
282: # return ($status,$datemsg);
283: # }
1.358 raeburn 284: undef($returned_slot);
285: undef($slot_name);
1.200 albertel 286: my $slotstatus='NOT_IN_A_SLOT';
1.334 raeburn 287: my $num_usable_slots = 0;
1.358 raeburn 288: if (!$symb) {
289: ($symb) = &Apache::lonnet::whichuser();
290: }
1.210 albertel 291: foreach my $slot (@slots) {
1.241 albertel 292: $slot =~ s/(^\s*|\s*$)//g;
1.201 albertel 293: &Apache::lonxml::debug("getting $slot");
1.200 albertel 294: my %slot=&Apache::lonnet::get_slot($slot);
1.201 albertel 295: &Apache::lonhomework::showhash(%slot);
1.334 raeburn 296: next if ($slot{'endtime'} < $now);
297: $num_usable_slots ++;
298: if ($slot{'starttime'} < $now &&
299: $slot{'endtime'} > $now &&
1.297 raeburn 300: &Apache::loncommon::check_ip_acc($slot{'ip'})) {
1.358 raeburn 301: if ($slot{'iptied'}) {
302: if ($env{'request.course.id'}) {
303: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
304: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
305: if ($slot eq $checkinslot) {
306: if ($ip eq $ipused) {
307: &Apache::lonxml::debug("$slot is good");
308: $slotstatus ='NEEDS_CHECKIN';
309: } else {
310: $slotstatus = 'NEED_DIFFERENT_IP';
311: $slot_name = $slot;
312: $returned_slot = \%slot;
313: last;
314: }
315: } elsif ($ip) {
316: my $uniqkey = "$slot\0$symb\0$ip";
317: my %used_ip = &Apache::lonnet::get('slot_uniqueips',[$uniqkey],$cdom,$cnum);
318: if ($used_ip{$uniqkey}) {
319: $slotstatus = 'NEED_DIFFERENT_IP';
320: } else {
321: &Apache::lonxml::debug("$slot is good");
322: $slotstatus ='NEEDS_CHECKIN';
323: }
324: }
325: }
326: } else {
327: &Apache::lonxml::debug("$slot is good");
328: $slotstatus='NEEDS_CHECKIN';
329: }
330: if ($slotstatus eq 'NEEDS_CHECKIN') {
331: $returned_slot=\%slot;
332: $slot_name=$slot;
333: last;
334: }
335: }
1.200 albertel 336: }
1.202 albertel 337: if ($slotstatus eq 'NEEDS_CHECKIN' &&
1.226 albertel 338: &proctor_checked_in($slot_name,$returned_slot,$type)) {
1.322 raeburn 339: &Apache::lonxml::debug("proctor checked in");
340: $slotstatus=$status;
1.200 albertel 341: }
1.226 albertel 342:
1.358 raeburn 343: my ($is_correct,$got_grade);
1.226 albertel 344: if ($type eq 'Task') {
1.230 albertel 345: my $version=$Apache::lonhomework::history{'resource.0.version'};
1.231 albertel 346: $got_grade =
347: ($Apache::lonhomework::history{"resource.$version.0.status"}
348: =~ /^(?:pass|fail)$/);
1.235 albertel 349: $is_correct =
350: ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass'
351: || $Apache::lonhomework::history{"resource.0.solved"} =~ /^correct_/ );
1.369 raeburn 352: } elsif (($type eq 'problem') || ($type eq 'tool')) {
1.363 raeburn 353: if ((ref($partlist) eq 'ARRAY') && (@{$partlist} > 0)) {
354: my ($numcorrect,$numgraded) = (0,0);
355: foreach my $part (@{$partlist}) {
356: my $currtries = $Apache::lonhomework::history{"resource.$part.tries"};
357: my $maxtries = &Apache::lonnet::EXT("resource.$part.maxtries",$symb);
358: my $probstatus = &Apache::structuretags::get_problem_status($part);
359: my $earlyout;
360: unless (($probstatus eq 'no') ||
361: ($probstatus eq 'no_feedback_ever')) {
362: if ($Apache::lonhomework::history{"resource.$part.solved"} =~/^correct_/) {
363: $numcorrect ++;
364: } else {
365: $earlyout = 1;
366: }
367: }
368: if (($currtries == $maxtries) || ($is_correct)) {
369: $earlyout = 1;
370: } else {
371: $numgraded ++;
372: }
373: last if ($earlyout);
374: }
375: my $numparts = scalar(@{$partlist});
376: if ($numparts == $numcorrect) {
377: $is_correct = 1;
378: }
379: if ($numparts == $numgraded) {
380: $got_grade = 1;
381: }
382: } else {
383: my $currtries = $Apache::lonhomework::history{"resource.0.tries"};
384: my $maxtries = &Apache::lonnet::EXT("resource.0.maxtries",$symb);
385: my $probstatus = &Apache::structuretags::get_problem_status('0');
386: unless (($probstatus eq 'no') ||
387: ($probstatus eq 'no_feedback_ever')) {
388: $is_correct =
389: ($Apache::lonhomework::history{"resource.0.solved"} =~/^correct_/);
390: }
391: unless (($currtries == $maxtries) || ($is_correct)) {
392: $got_grade = 1;
393: }
394: }
1.226 albertel 395: }
396:
1.235 albertel 397: &Apache::lonxml::debug(" slot is $slotstatus checkedin ($checkedin) got_grade ($got_grade) is_correct ($is_correct)");
398:
1.243 albertel 399: # no slot is currently open, and has been checked in for this version
400: # but hasn't got a grade, therefore must be awaiting a grade
401: if (!defined($slot_name)
402: && $checkedin
1.236 albertel 403: && !$got_grade) {
404: return ('WAITING_FOR_GRADE');
405: }
406:
1.309 raeburn 407: # Previously used slot is no longer open, and has been checked in for this version.
408: # However, the problem is not closed, and potentially, another slot might be
409: # used to gain access to it to work on it, until the due date is reached, and the
410: # problem then becomes CLOSED. Therefore return the slotstatus -
1.358 raeburn 411: # (which will be one of: NOT_IN_A_SLOT, RESERVABLE, RESERVABLE_LATER, or NOTRESERVABLE).
1.370 ! raeburn 412:
1.369 raeburn 413: if (!defined($slot_name) && (($type eq 'problem') || ($type eq 'tool'))) {
1.334 raeburn 414: if ($slotstatus eq 'NOT_IN_A_SLOT') {
415: if (!$num_usable_slots) {
1.370 ! raeburn 416: ($slotstatus,$datemsg) = &check_reservable_slot($slotstatus,$symb,$now,$checkedin,
! 417: $consumed_uniq);
1.334 raeburn 418: }
419: }
420: return ($slotstatus,$datemsg);
1.252 albertel 421: }
422:
1.226 albertel 423: if ($slotstatus eq 'NOT_IN_A_SLOT'
424: && $checkedin ) {
425:
1.231 albertel 426: if ($got_grade) {
1.358 raeburn 427: if ($blockip eq 'answer') {
428: return ('NEED_DIFFERENT_IP','',$slot_name,$returned_slot,$ipused);
429: } else {
430: return ('SHOW_ANSWER');
431: }
1.209 albertel 432: } else {
433: return ('WAITING_FOR_GRADE');
434: }
1.226 albertel 435:
1.207 albertel 436: }
1.255 albertel 437:
1.358 raeburn 438: if (($is_correct) && ($blockip ne 'answer')) {
1.369 raeburn 439: if (($type eq 'problem') || ($type eq 'tool')) {
1.255 albertel 440: return ($status);
441: }
1.235 albertel 442: return ('SHOW_ANSWER');
443: }
1.255 albertel 444:
1.225 albertel 445: if ( $status eq 'CANNOT_ANSWER' &&
1.358 raeburn 446: ($slotstatus ne 'NEEDS_CHECKIN' && $slotstatus ne 'NOT_IN_A_SLOT' &&
447: $slotstatus ne 'NEED_DIFFERENT_IP') ) {
1.225 albertel 448: return ($status,$datemsg);
449: }
1.358 raeburn 450: return ($slotstatus,$datemsg,$slot_name,$returned_slot,$ipused);
1.198 albertel 451: }
1.200 albertel 452:
1.370 ! raeburn 453: sub check_reservable_slot {
! 454: my ($slotstatus,$symb,$now,$checkedin,$consumed_uniq) = @_;
! 455: my $datemsg;
! 456: if ($slotstatus eq 'NOT_IN_A_SLOT') {
! 457: if ($env{'request.course.id'}) {
! 458: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
! 459: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
! 460: unless ($symb) {
! 461: ($symb)=&Apache::lonnet::whichuser();
! 462: }
! 463: $slotstatus = 'NOTRESERVABLE';
! 464: my ($reservable_now_order,$reservable_now,$reservable_future_order,
! 465: $reservable_future) =
! 466: &Apache::loncommon::get_future_slots($cnum,$cdom,$now,$symb);
! 467: if ((ref($reservable_now_order) eq 'ARRAY') && (ref($reservable_now) eq 'HASH')) {
! 468: if (@{$reservable_now_order} > 0) {
! 469: if ((!$checkedin) || (ref($consumed_uniq) ne 'ARRAY')) {
! 470: $slotstatus = 'RESERVABLE';
! 471: $datemsg = $reservable_now->{$reservable_now_order->[-1]}{'endreserve'};
! 472: } else {
! 473: my ($uniqstart,$uniqend,$useslot);
! 474: if (ref($consumed_uniq) eq 'ARRAY') {
! 475: ($uniqstart,$uniqend)=@{$consumed_uniq};
! 476: }
! 477: foreach my $slot (reverse(@{$reservable_now_order})) {
! 478: if ($reservable_now->{$slot}{'uniqueperiod'} =~ /^(\d+)\,(\d+)$/) {
! 479: my ($new_uniq_start,$new_uniq_end) = ($1,$2);
! 480: next if (!
! 481: ($uniqstart < $new_uniq_start && $uniqend < $new_uniq_start) ||
! 482: ($uniqstart > $new_uniq_end && $uniqend > $new_uniq_end ));
! 483: }
! 484: $useslot = $slot;
! 485: last;
! 486: }
! 487: if ($useslot) {
! 488: $slotstatus = 'RESERVABLE';
! 489: $datemsg = $reservable_now->{$useslot}{'endreserve'};
! 490: }
! 491: }
! 492: }
! 493: }
! 494: unless ($slotstatus eq 'RESERVABLE') {
! 495: if ((ref($reservable_future_order) eq 'ARRAY') && (ref($reservable_future) eq 'HASH')) {
! 496: if (@{$reservable_future_order} > 0) {
! 497: if ((!$checkedin) || (ref($consumed_uniq) ne 'ARRAY')) {
! 498: $slotstatus = 'RESERVABLE_LATER';
! 499: $datemsg = $reservable_future->{$reservable_future_order->[0]}{'startreserve'};
! 500: } else {
! 501: my ($uniqstart,$uniqend,$useslot);
! 502: if (ref($consumed_uniq) eq 'ARRAY') {
! 503: ($uniqstart,$uniqend)=@{$consumed_uniq};
! 504: }
! 505: foreach my $slot (@{$reservable_future_order}) {
! 506: if ($reservable_future->{$slot}{'uniqueperiod'} =~ /^(\d+),(\d+)$/) {
! 507: my ($new_uniq_start,$new_uniq_end) = ($1,$2);
! 508: next if (!
! 509: ($uniqstart < $new_uniq_start && $uniqend < $new_uniq_start) ||
! 510: ($uniqstart > $new_uniq_end && $uniqend > $new_uniq_end ));
! 511: }
! 512: $useslot = $slot;
! 513: last;
! 514: }
! 515: if ($useslot) {
! 516: $slotstatus = 'RESERVABLE_LATER';
! 517: $datemsg = $reservable_future->{$useslot}{'startreserve'};
! 518: }
! 519: }
! 520: }
! 521: }
! 522: }
! 523: }
! 524: }
! 525: return ($slotstatus,$datemsg);
! 526: }
! 527:
1.301 jms 528: # JB, 9/24/2002: Any changes in this function may require a change
529: # in lonnavmaps::resource::getDateStatus.
1.53 www 530: sub check_access {
1.356 raeburn 531: my ($id,$symb) = @_;
1.145 albertel 532: my $date ='';
533: my $status;
534: my $datemsg = '';
535: my $lastdate = '';
536: my $type;
537: my $passed;
538:
1.204 albertel 539: if ($env{'request.state'} eq "construct") {
540: if ($env{'form.problemstate'}) {
541: if ($env{'form.problemstate'} =~ /^CANNOT_ANSWER/) {
1.277 albertel 542: if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct'
543: && &hide_problem_status())) {
1.168 albertel 544: return ('CANNOT_ANSWER',
1.174 www 545: &mt('is in this state due to author settings.'));
1.167 albertel 546: }
1.165 albertel 547: } else {
1.204 albertel 548: return ($env{'form.problemstate'},
1.174 www 549: &mt('is in this state due to author settings.'));
1.165 albertel 550: }
551: }
1.145 albertel 552: &Apache::lonxml::debug("in construction ignoring dates");
553: $status='CAN_ANSWER';
1.146 albertel 554: $datemsg=&mt('is in under construction');
1.163 albertel 555: # return ($status,$datemsg);
1.145 albertel 556: }
557:
558: &Apache::lonxml::debug("checking for part :$id:");
559: &Apache::lonxml::debug("time:".time);
1.152 albertel 560:
1.356 raeburn 561: unless ($symb) {
562: ($symb)=&Apache::lonnet::whichuser();
563: }
1.212 albertel 564: &Apache::lonxml::debug("symb:".$symb);
565: #if ($env{'request.state'} ne "construct" && $symb ne '') {
1.204 albertel 566: if ($env{'request.state'} ne "construct") {
1.356 raeburn 567: my $idacc = &Apache::lonnet::EXT("resource.$id.acc",$symb);
1.297 raeburn 568: my $allowed=&Apache::loncommon::check_ip_acc($idacc);
1.163 albertel 569: if (!$allowed && ($Apache::lonhomework::browse ne 'F')) {
570: $status='INVALID_ACCESS';
571: $date=&mt("can not be accessed from your location.");
1.145 albertel 572: return($status,$date);
573: }
1.327 raeburn 574: if ($env{'form.grade_imsexport'}) {
575: if (($env{'request.course.id'}) &&
576: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
577: return ('SHOW_ANSWER');
578: }
579: }
1.226 albertel 580: foreach my $temp ("opendate","duedate","answerdate") {
1.163 albertel 581: $lastdate = $date;
1.247 albertel 582: if ($temp eq 'duedate') {
1.356 raeburn 583: $date = &due_date($id,$symb);
1.247 albertel 584: } else {
1.356 raeburn 585: $date = &Apache::lonnet::EXT("resource.$id.$temp",$symb);
1.247 albertel 586: }
587:
1.356 raeburn 588: my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type",$symb);
1.163 albertel 589: if ($thistype =~ /^(con_lost|no_such_host)/ ||
590: $date =~ /^(con_lost|no_such_host)/) {
591: $status='UNAVAILABLE';
592: $date=&mt("may open later.");
593: return($status,$date);
594: }
595: if ($thistype eq 'date_interval') {
596: if ($temp eq 'opendate') {
1.356 raeburn 597: $date=&Apache::lonnet::EXT("resource.$id.duedate",$symb)-$date;
1.163 albertel 598: }
599: if ($temp eq 'answerdate') {
1.356 raeburn 600: $date=&Apache::lonnet::EXT("resource.$id.duedate",$symb)+$date;
1.163 albertel 601: }
1.145 albertel 602: }
1.163 albertel 603: &Apache::lonxml::debug("found :$date: for :$temp:");
604: if ($date eq '') {
605: $date = &mt("an unknown date"); $passed = 0;
606: } elsif ($date eq 'con_lost') {
607: $date = &mt("an indeterminate date"); $passed = 0;
608: } else {
609: if (time < $date) { $passed = 0; } else { $passed = 1; }
1.274 www 610: $date = &Apache::lonlocal::locallocaltime($date);
1.145 albertel 611: }
1.163 albertel 612: if (!$passed) { $type=$temp; last; }
1.145 albertel 613: }
1.163 albertel 614: &Apache::lonxml::debug("have :$type:$passed:");
615: if ($passed) {
616: $status='SHOW_ANSWER';
617: $datemsg=$date;
618: } elsif ($type eq 'opendate') {
619: $status='CLOSED';
1.343 bisitz 620: $datemsg = &mt('will open on [_1]',$date);
1.163 albertel 621: } elsif ($type eq 'duedate') {
622: $status='CAN_ANSWER';
1.343 bisitz 623: $datemsg = &mt('is due at [_1]',$date);
1.163 albertel 624: } elsif ($type eq 'answerdate') {
625: $status='CLOSED';
1.343 bisitz 626: $datemsg = &mt('was due on [_1], and answers will be available on [_2]',
627: $lastdate,$date);
1.145 albertel 628: }
629: }
1.212 albertel 630: if ($status eq 'CAN_ANSWER' ||
631: (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED'))) {
1.145 albertel 632: #check #tries, and if correct.
633: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
1.356 raeburn 634: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries",$symb);
1.145 albertel 635: if ( $tries eq '' ) { $tries = '0'; }
1.164 albertel 636: if ( $maxtries eq '' &&
1.204 albertel 637: $env{'request.state'} ne 'construct') { $maxtries = '2'; }
1.164 albertel 638: if ($maxtries && $tries >= $maxtries) { $status = 'CANNOT_ANSWER'; }
1.145 albertel 639: # if (correct and show prob status) or excused then CANNOT_ANSWER
1.331 raeburn 640: if ( ($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/)
641: && (&show_problem_status()) ) {
1.333 raeburn 642: if (($Apache::lonhomework::history{"resource.$id.awarded"} >= 1) ||
1.356 raeburn 643: (&Apache::lonnet::EXT("resource.$id.retrypartial",$symb) !~/^1|on|yes$/i)) {
1.331 raeburn 644: $status = 'CANNOT_ANSWER';
645: }
646: } elsif ($Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) {
1.145 albertel 647: $status = 'CANNOT_ANSWER';
648: }
1.285 albertel 649: if ($status eq 'CANNOT_ANSWER'
650: && &show_answer_problem_status()) {
651: $status = 'SHOW_ANSWER';
652: }
1.121 albertel 653: }
1.181 albertel 654: if ($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER') {
1.356 raeburn 655: my @interval=&Apache::lonnet::EXT("resource.$id.interval",$symb);
1.286 albertel 656: &Apache::lonxml::debug("looking for interval @interval");
1.362 raeburn 657: if ($interval[0]=~ /^\d+/) {
1.356 raeburn 658: my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
1.177 albertel 659: &Apache::lonxml::debug("looking for accesstime $first_access");
660: if (!$first_access) {
661: $status='NOT_YET_VIEWED';
1.356 raeburn 662: my $due_date = &due_date($id,$symb);
1.256 albertel 663: my $seconds_left = $due_date - time;
1.362 raeburn 664: my ($timelimit) = ($interval[0] =~ /^(\d+)/);
665: if ($seconds_left > $timelimit || $due_date eq '') {
666: $seconds_left = $timelimit;
1.256 albertel 667: }
668: $datemsg=&seconds_to_human_length($seconds_left);
1.177 albertel 669: }
670: }
671: }
1.247 albertel 672:
1.133 albertel 673: #if (($status ne 'CLOSED') && ($Apache::lonhomework::type eq 'exam') &&
674: # (!$Apache::lonhomework::history{"resource.0.outtoken"})) {
675: # return ('UNCHECKEDOUT','needs to be checked out');
676: #}
1.54 www 677:
1.145 albertel 678: &Apache::lonxml::debug("sending back :$status:$datemsg:");
679: if (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED')) {
680: &Apache::lonxml::debug("should be allowed to browse a resource when closed");
681: $status='CAN_ANSWER';
1.146 albertel 682: $datemsg=&mt('is closed but you are allowed to view it');
1.145 albertel 683: }
1.106 albertel 684:
1.145 albertel 685: return ($status,$datemsg);
1.20 albertel 686: }
1.301 jms 687: # this should work exactly like the copy in lonnavmaps.pm
1.246 albertel 688: sub due_date {
1.250 albertel 689: my ($part_id,$symb,$udom,$uname)=@_;
1.246 albertel 690: my $date;
1.286 albertel 691: my @interval= &Apache::lonnet::EXT("resource.$part_id.interval",$symb,
1.250 albertel 692: $udom,$uname);
1.286 albertel 693: &Apache::lonxml::debug("looking for interval $part_id $symb @interval");
1.250 albertel 694: my $due_date= &Apache::lonnet::EXT("resource.$part_id.duedate",$symb,
695: $udom,$uname);
1.247 albertel 696: &Apache::lonxml::debug("looking for due_date $part_id $symb $due_date");
1.286 albertel 697: if ($interval[0] =~ /\d+/) {
698: my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
699: &Apache::lonxml::debug("looking for first_access $first_access ($interval[1])");
1.247 albertel 700: if (defined($first_access)) {
1.362 raeburn 701: my ($timelimit) = ($interval[0] =~ /^(\d+)/);
702: my $interval = $first_access+$timelimit;
1.283 albertel 703: $date = (!$due_date || $interval < $due_date) ? $interval
704: : $due_date;
1.247 albertel 705: } else {
706: $date = $due_date;
707: }
708: } else {
709: $date = $due_date;
1.246 albertel 710: }
1.345 musolffc 711: return $date;
1.246 albertel 712: }
713:
1.192 albertel 714: sub seconds_to_human_length {
715: my ($length)=@_;
716:
717: my $seconds=$length%60; $length=int($length/60);
718: my $minutes=$length%60; $length=int($length/60);
719: my $hours=$length%24; $length=int($length/24);
720: my $days=$length;
721:
722: my $timestr;
723: if ($days > 0) { $timestr.=&mt('[quant,_1,day]',$days); }
724: if ($hours > 0) { $timestr.=($timestr?", ":"").
725: &mt('[quant,_1,hour]',$hours); }
726: if ($minutes > 0) { $timestr.=($timestr?", ":"").
727: &mt('[quant,_1,minute]',$minutes); }
728: if ($seconds > 0) { $timestr.=($timestr?", ":"").
729: &mt('[quant,_1,second]',$seconds); }
730: return $timestr;
731: }
732:
1.41 albertel 733: sub showhash {
1.145 albertel 734: my (%hash) = @_;
735: &showhashsubset(\%hash,'.');
736: return '';
1.79 albertel 737: }
738:
1.106 albertel 739: sub showarray {
740: my ($array)=@_;
741: my $string="(";
742: foreach my $elm (@{ $array }) {
1.193 albertel 743: if (ref($elm) eq 'ARRAY') {
744: $string.=&showarray($elm);
745: } elsif (ref($elm) eq 'HASH') {
746: $string.= "HASH --- \n<br />";
747: $string.= &showhashsubset($elm,'.');
1.106 albertel 748: } else {
749: $string.="$elm,"
750: }
751: }
752: chop($string);
753: $string.=")";
754: return $string;
755: }
756:
1.79 albertel 757: sub showhashsubset {
1.145 albertel 758: my ($hash,$keyre) = @_;
759: my $resultkey;
1.346 raeburn 760: foreach $resultkey (sort(keys(%$hash))) {
1.193 albertel 761: if ($resultkey !~ /$keyre/) { next; }
762: if (ref($$hash{$resultkey}) eq 'ARRAY' ) {
763: &Apache::lonxml::debug("$resultkey ---- ".
764: &showarray($$hash{$resultkey}));
765: } elsif (ref($$hash{$resultkey}) eq 'HASH' ) {
766: &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");
767: &showhashsubset($$hash{$resultkey},'.');
768: } else {
769: &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");
1.145 albertel 770: }
771: }
772: &Apache::lonxml::debug("\n<br />restored values^</br>\n");
773: return '';
1.41 albertel 774: }
775:
776: sub setuppermissions {
1.204 albertel 777: $Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$env{'request.filename'});
1.337 raeburn 778: unless ($Apache::lonhomework::browse eq 'F') {
779: $Apache::lonhomework::browse=&Apache::lonnet::allowed('bro',$env{'request.filename'});
780: }
1.204 albertel 781: my $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
1.145 albertel 782: if (! $viewgrades &&
1.204 albertel 783: exists($env{'request.course.sec'}) &&
784: $env{'request.course.sec'} !~ /^\s*$/) {
785: $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'}.
786: '/'.$env{'request.course.sec'});
1.145 albertel 787: }
1.244 albertel 788: $Apache::lonhomework::viewgrades = $viewgrades;
789:
1.185 albertel 790: if ($Apache::lonhomework::browse eq 'F' &&
1.204 albertel 791: $env{'form.devalidatecourseresdata'} eq 'on') {
1.261 albertel 792: my (undef,$courseid) = &Apache::lonnet::whichuser();
1.204 albertel 793: &Apache::lonnet::devalidatecourseresdata($env{"course.$courseid.num"},
794: $env{"course.$courseid.domain"});
1.185 albertel 795: }
1.244 albertel 796:
1.205 albertel 797: my $modifygrades = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
798: if (! $modifygrades &&
799: exists($env{'request.course.sec'}) &&
800: $env{'request.course.sec'} !~ /^\s*$/) {
801: $modifygrades =
802: &Apache::lonnet::allowed('mgr',$env{'request.course.id'}.
803: '/'.$env{'request.course.sec'});
804: }
805: $Apache::lonhomework::modifygrades = $modifygrades;
1.244 albertel 806:
807: my $queuegrade = &Apache::lonnet::allowed('mqg',$env{'request.course.id'});
808: if (! $queuegrade &&
809: exists($env{'request.course.sec'}) &&
810: $env{'request.course.sec'} !~ /^\s*$/) {
811: $queuegrade =
812: &Apache::lonnet::allowed('qgr',$env{'request.course.id'}.
813: '/'.$env{'request.course.sec'});
814: }
815: $Apache::lonhomework::queuegrade = $queuegrade;
1.205 albertel 816: return '';
1.41 albertel 817: }
818:
1.253 albertel 819: sub unset_permissions {
820: undef($Apache::lonhomework::queuegrade);
821: undef($Apache::lonhomework::modifygrades);
822: undef($Apache::lonhomework::viewgrades);
823: undef($Apache::lonhomework::browse);
824: }
825:
1.41 albertel 826: sub setupheader {
1.120 albertel 827: my $request=$_[0];
1.197 albertel 828: &Apache::loncommon::content_type($request,'text/html');
1.120 albertel 829: if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) {
830: &Apache::loncommon::no_cache($request);
831: }
1.196 albertel 832: # $request->set_last_modified(&Apache::lonnet::metadata($request->uri,
833: # 'lastrevisiondate'));
1.120 albertel 834: $request->send_http_header;
835: return OK if $request->header_only;
836: return ''
1.41 albertel 837: }
1.35 albertel 838:
1.47 albertel 839: sub handle_save_or_undo {
1.338 raeburn 840: my ($request,$problem,$result,$getobjref) = @_;
1.323 www 841:
1.145 albertel 842: my $file = &Apache::lonnet::filelocation("",$request->uri);
843: my $filebak =$file.".bak";
844: my $filetmp =$file.".tmp";
845: my $error=0;
1.323 www 846: if (($env{'form.problemmode'} eq 'undo') || ($env{'form.problemmode'} eq 'undoxml')) {
1.145 albertel 847: my $error=0;
1.284 albertel 848: if (!&File::Copy::copy($file,$filetmp)) { $error=1; }
849: if ((!$error) && (!&File::Copy::copy($filebak,$file))) { $error=1; }
850: if ((!$error) && (!&File::Copy::move($filetmp,$filebak))) { $error=1; }
1.145 albertel 851: if (!$error) {
1.266 albertel 852: &Apache::lonxml::info("<p><b>".
853: &mt("Undid changes, Switched [_1] and [_2]",
854: '<span class="LC_filename">'.$filebak.
855: '</span>',
856: '<span class="LC_filename">'.$file.
857: '</span>')."</b></p>");
1.145 albertel 858: } else {
1.266 albertel 859: &Apache::lonxml::info("<p><span class=\"LC_error\">".
860: &mt("Unable to undo, unable to switch [_1] and [_2]",
861: '<span class="LC_filename">'.
862: $filebak.'</span>',
863: '<span class="LC_filename">'.
864: $file.'</span>')."</span></p>");
1.145 albertel 865: $error=1;
866: }
1.52 albertel 867: } else {
1.262 banghart 868: &Apache::lonnet::correct_line_ends($result);
1.323 www 869:
1.145 albertel 870: my $fs=Apache::File->new(">$filebak");
871: if (defined($fs)) {
872: print $fs $$problem;
873: } else {
1.266 albertel 874: &Apache::lonxml::info("<span class=\"LC_error\">".
875: &mt("Unable to make backup [_1]",
876: '<span class="LC_filename">'.
877: $filebak.'</span>')."</span>");
1.145 albertel 878: $error=2;
879: }
880: my $fh=Apache::File->new(">$file");
881: if (defined($fh)) {
882: print $fh $$result;
1.338 raeburn 883: if (ref($getobjref) eq 'SCALAR') {
884: if ($file =~ m{([^/]+)\.(html?)$}) {
885: my $fname = $1;
886: my $ext = $2;
887: my $path = $file;
888: $path =~ s/\Q$fname\E\.\Q$ext\E$//;
889: my (%allfiles,%codebase);
890: &Apache::lonnet::extract_embedded_items($file,\%allfiles,
891: \%codebase,$result);
892: if (keys(%allfiles) > 0) {
893: my $url = $request->uri;
894: my $state = <<STATE;
895: <input type="hidden" name="action" value="upload_embedded" />
896: <input type="hidden" name="url" value="$url" />
897: STATE
898: $$getobjref = "<h3>".&mt("Reference Warning")."</h3>".
899: "<p>".&mt("Completed upload of the file. This file contained references to other files.")."</p>".
900: "<p>".&mt("Please select the locations from which the referenced files are to be uploaded.")."</p>".
901: &Apache::loncommon::ask_for_embedded_content($url,$state,\%allfiles,\%codebase,
902: {'error_on_invalid_names' => 1,
903: 'ignore_remote_references' => 1,});
904: }
905: }
906: }
1.145 albertel 907: } else {
1.266 albertel 908: &Apache::lonxml::info('<span class="LC_error">'.
909: &mt("Unable to write to [_1]",
910: '<span class="LC_filename">'.
911: $file.'</span>').
912: '</span>');
1.145 albertel 913: $error|=4;
914: }
1.52 albertel 915: }
1.145 albertel 916: return $error;
1.64 albertel 917: }
918:
1.101 albertel 919: sub analyze_header {
920: my ($request) = @_;
1.289 raeburn 921: my $js = &Apache::structuretags::setmode_javascript();
1.312 bisitz 922:
923: # Breadcrumbs
1.330 raeburn 924: my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
1.338 raeburn 925: 'text' => 'Authoring Space'},
1.312 bisitz 926: {'href' => '',
927: 'text' => 'Problem Testing'},
928: {'href' => '',
929: 'text' => 'Analyzing a problem'}];
930:
1.238 albertel 931: my $result =
1.312 bisitz 932: &Apache::loncommon::start_page('Analyzing a problem',
933: $js,
934: {'bread_crumbs' => $brcrum,})
1.311 bisitz 935: .&Apache::loncommon::head_subbox(
936: &Apache::loncommon::CSTR_pageheader());
1.238 albertel 937: $result .=
1.347 golterma 938: '<form name="lonhomework" method="post" action="'.
1.204 albertel 939: &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.
1.289 raeburn 940: '<input type="hidden" name="problemmode" value="'.
941: $env{'form.problemmode'}.'" />'.
1.179 albertel 942: &Apache::structuretags::remember_problem_state().'
1.278 albertel 943: <div class="LC_edit_problem_analyze_header">
1.289 raeburn 944: <input type="button" name="submitmode" value="'.&mt("EditXML").'" '.
945: 'onclick="javascript:setmode(this.form,'."'editxml'".')" />
946: <input type="button" name="submitmode" value="'.&mt('Edit').'" '.
947: 'onclick="javascript:setmode(this.form,'."'edit'".')" />
1.313 bisitz 948: <hr />
1.289 raeburn 949: <input type="button" name="submitmode" value="'.&mt("View").'" '.
950: 'onclick="javascript:setmode(this.form,'."'view'".')" />
1.313 bisitz 951: <hr />
1.347 golterma 952: </div>'
953: .&Apache::lonxml::message_location().
954: '</form>';
1.171 albertel 955: &Apache::lonxml::add_messages(\$result);
1.101 albertel 956: $request->print($result);
957: $request->rflush();
958: }
959:
1.109 albertel 960: sub analyze_footer {
961: my ($request) = @_;
1.237 albertel 962: $request->print(&Apache::loncommon::end_page());
1.109 albertel 963: $request->rflush();
964: }
965:
1.74 albertel 966: sub analyze {
1.101 albertel 967: my ($request,$file) = @_;
968: &Apache::lonxml::debug("Analyze");
969: my $result;
970: my %overall;
1.219 www 971: my %seedexample;
1.101 albertel 972: my %allparts;
1.204 albertel 973: my $rndseed=$env{'form.rndseed'};
1.101 albertel 974: &analyze_header($request);
1.114 albertel 975: my %prog_state=
1.335 www 976: &Apache::lonhtmlcommon::Create_PrgWin($request,$env{'form.numtoanalyze'});
1.204 albertel 977: for(my $i=1;$i<$env{'form.numtoanalyze'}+1;$i++) {
1.335 www 978: &Apache::lonhtmlcommon::Increment_PrgWin($request,\%prog_state,'last problem');
1.182 albertel 979: if (&Apache::loncommon::connection_aborted($request)) { return; }
1.219 www 980: my $thisseed=$i+$rndseed;
1.101 albertel 981: my $subresult=&Apache::lonnet::ssi($request->uri,
982: ('grade_target' => 'analyze'),
1.219 www 983: ('rndseed' => $thisseed));
1.101 albertel 984: (my $garbage,$subresult)=split(/_HASH_REF__/,$subresult,2);
985: my %analyze=&Apache::lonnet::str2hash($subresult);
1.114 albertel 986: my @parts;
1.336 raeburn 987: if (ref($analyze{'parts'}) eq 'ARRAY') {
1.114 albertel 988: @parts=@{ $analyze{'parts'} };
989: }
1.101 albertel 990: foreach my $part (@parts) {
991: if (!exists($allparts{$part})) {$allparts{$part}=1;};
1.109 albertel 992: if ($analyze{$part.'.type'} eq 'numericalresponse' ||
993: $analyze{$part.'.type'} eq 'stringresponse' ||
994: $analyze{$part.'.type'} eq 'formularesponse' ) {
1.263 albertel 995: foreach my $name (keys(%{ $analyze{$part.'.answer'} })) {
996: my $i=0;
997: foreach my $answer_part (@{ $analyze{$part.'.answer'}{$name} }) {
998: push( @{ $overall{$part.'.answer'}[$i] },
999: $answer_part);
1000: my $concatanswer= join("\0",@{ $answer_part });
1001: if (($concatanswer eq '') || ($concatanswer=~/^\@/)) {
1.266 albertel 1002: $answer_part = ['<span class="LC_error">'.&mt('Error').'</span>'];
1.263 albertel 1003: }
1004: $seedexample{join("\0",$part,$i,@{$answer_part})}=
1005: $thisseed;
1006: $i++;
1007: }
1.219 www 1008: }
1.275 albertel 1009: if (!keys(%{ $analyze{$part.'.answer'} })) {
1010: my $answer_part =
1011: ['<span class="LC_error">'.&mt('Error').'</span>'];
1012: $seedexample{join("\0",$part,0,@{$answer_part})}=
1013: $thisseed;
1014: push( @{ $overall{$part.'.answer'}[0] },
1015: $answer_part);
1016: }
1.101 albertel 1017: }
1018: }
1019: }
1.335 www 1020: &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state,&mt('Analyzing Results'));
1.313 bisitz 1021: $request->print('<hr />'
1.308 bisitz 1022: .'<h3>'
1023: .&mt('List of possible answers')
1024: .'</h3>'
1025: );
1.134 albertel 1026: foreach my $part (sort(keys(%allparts))) {
1.336 raeburn 1027: if ((ref($overall{$part.'.answer'}) eq 'ARRAY') &&
1028: (@{$overall{$part.'.answer'}} > 0)) {
1.263 albertel 1029: for (my $i=0;$i<scalar(@{ $overall{$part.'.answer'} });$i++) {
1030: my $num_cols=scalar(@{ $overall{$part.'.answer'}[$i][0] });
1.308 bisitz 1031: $request->print(&Apache::loncommon::start_data_table()
1032: .&Apache::loncommon::start_data_table_header_row()
1033: .'<th colspan="'.($num_cols+1).'">'
1034: .&mt('Part').' '.$part
1035: );
1.263 albertel 1036: if (scalar(@{ $overall{$part.'.answer'} }) > 1) {
1.308 bisitz 1037: $request->print(' '.&mt('Answer [_1]',$i+1));
1.263 albertel 1038: }
1.308 bisitz 1039: $request->print('</th>'
1040: .&Apache::loncommon::end_data_table_header_row()
1041: );
1.263 albertel 1042: my %frequency;
1043: foreach my $answer (sort {$a->[0] <=> $b->[0]} (@{ $overall{$part.'.answer'}[$i] })) {
1044: $frequency{join("\0",@{ $answer })}++;
1045: }
1.308 bisitz 1046: $request->print(&Apache::loncommon::start_data_table_header_row()
1047: .'<th colspan="'.($num_cols).'">'.&mt('Answer').'</th>'
1048: .'<th>'.&mt('Frequency').'<br />'
1049: .'('.&mt('click for example').')</th>'
1050: .&Apache::loncommon::end_data_table_header_row()
1051: );
1.263 albertel 1052: foreach my $answer (sort {(split("\0",$a))[0] <=> (split("\0",$b))[0]} (keys(%frequency))) {
1.308 bisitz 1053: $request->print(&Apache::loncommon::start_data_table_row()
1054: .'<td>'
1055: .join('</td><td>',split("\0",$answer))
1056: .'</td>'
1057: .'<td>'
1058: .'<a href="'.$request->uri.'?rndseed='.$seedexample{join("\0",$part,$i,$answer)}.'">'.$frequency{$answer}.'</a>'
1059: .'</td>'
1060: .&Apache::loncommon::end_data_table_row()
1061: );
1.263 albertel 1062: }
1.308 bisitz 1063: $request->print(&Apache::loncommon::end_data_table());
1.109 albertel 1064: }
1065: } else {
1.307 bisitz 1066: $request->print('<p class="LC_warning">'
1067: .&mt('Response [_1] is not analyzable at this time.',$part)
1068: .'</p>'
1069: );
1.101 albertel 1070: }
1071: }
1.130 albertel 1072: if (scalar(keys(%allparts)) == 0 ) {
1.307 bisitz 1073: $request->print('<p class="LC_warning">'
1074: .&mt('Found no analyzable responses in this problem.'
1075: .' Currently only Numerical, Formula and String response styles are supported.')
1076: .'</p>'
1077: );
1.130 albertel 1078: }
1.114 albertel 1079: &Apache::lonhtmlcommon::Close_PrgWin($request,\%prog_state);
1.109 albertel 1080: &analyze_footer($request);
1.101 albertel 1081: &Apache::lonhomework::showhash(%overall);
1082: return $result;
1.74 albertel 1083: }
1084:
1.277 albertel 1085: {
1086: my $show_problem_status;
1087: sub reset_show_problem_status {
1088: undef($show_problem_status);
1089: }
1090:
1091: sub set_show_problem_status {
1092: my ($new_status) = @_;
1093: $show_problem_status = lc($new_status);
1094: }
1095:
1096: sub hide_problem_status {
1097: return ($show_problem_status eq 'no'
1098: || $show_problem_status eq 'no_feedback_ever');
1099: }
1100:
1101: sub show_problem_status {
1102: return ($show_problem_status eq 'yes'
1.285 albertel 1103: || $show_problem_status eq 'answer'
1.277 albertel 1104: || $show_problem_status eq '');
1105: }
1106:
1107: sub show_some_problem_status {
1108: return ($show_problem_status eq 'no');
1109: }
1110:
1111: sub show_no_problem_status {
1112: return ($show_problem_status eq 'no_feedback_ever');
1113: }
1.285 albertel 1114:
1115: sub show_answer_problem_status {
1116: return ($show_problem_status eq 'answer');
1117: }
1.277 albertel 1118: }
1119:
1.64 albertel 1120: sub editxmlmode {
1.145 albertel 1121: my ($request,$file) = @_;
1122: my $result;
1123: my $problem=&Apache::lonnet::getfile($file);
1124: if ($problem eq -1) {
1.305 bisitz 1125: &Apache::lonxml::error(
1.328 bisitz 1126: '<p class="LC_error">'
1.305 bisitz 1127: .&mt('Unable to find [_1]',
1128: '<span class="LC_filename">'.$file.'</span>')
1.328 bisitz 1129: .'</p>');
1.305 bisitz 1130:
1.145 albertel 1131: $problem='';
1132: }
1.323 www 1133: if (($env{'form.problemmode'} eq 'saveeditxml') ||
1.347 golterma 1134: ($env{'form.problemmode'} eq 'saveviewxml') ||
1.323 www 1135: ($env{'form.problemmode'} eq 'undoxml')) {
1.145 albertel 1136: my $error=&handle_save_or_undo($request,\$problem,
1.204 albertel 1137: \$env{'form.editxmltext'});
1.145 albertel 1138: if (!$error) { $problem=&Apache::lonnet::getfile($file); }
1139: }
1.204 albertel 1140: &Apache::lonhomework::showhashsubset(\%env,'^form');
1.323 www 1141: if ($env{'form.problemmode'} eq 'saveviewxml') {
1.204 albertel 1142: &Apache::lonhomework::showhashsubset(\%env,'^form');
1.289 raeburn 1143: $env{'form.problemmode'}='view';
1.145 albertel 1144: &renderpage($request,$file);
1145: } else {
1146: my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);
1147: if ($cols > 80) { $cols = 80; }
1148: if ($cols < 70) { $cols = 70; }
1149: if ($rows < 20) { $rows = 20; }
1.269 albertel 1150: my $js =
1151: &Apache::edit::js_change_detection().
1.289 raeburn 1152: &Apache::loncommon::resize_textarea_js().
1.296 raeburn 1153: &Apache::structuretags::setmode_javascript().
1.298 foxr 1154: &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
1.312 bisitz 1155:
1156: # Breadcrumbs
1.330 raeburn 1157: my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
1.338 raeburn 1158: 'text' => 'Authoring Space'},
1.312 bisitz 1159: {'href' => '',
1160: 'text' => 'Problem Editing'}];
1161:
1.238 albertel 1162: my $start_page =
1.269 albertel 1163: &Apache::loncommon::start_page(&mt("EditXML [_1]",$file),$js,
1164: {'no_auto_mt_title' => 1,
1.318 droeschl 1165: 'only_body' => 0,
1.269 albertel 1166: 'add_entries' => {
1167: 'onresize' => q[resize_textarea('LC_editxmltext','LC_aftertextarea')],
1168: 'onload' => q[resize_textarea('LC_editxmltext','LC_aftertextarea')],
1.323 www 1169: },
1.312 bisitz 1170: 'bread_crumbs' => $brcrum,
1.323 www 1171: });
1.311 bisitz 1172:
1173: $result=$start_page
1174: .&Apache::loncommon::head_subbox(
1175: &Apache::loncommon::CSTR_pageheader());
1176: $result.=&renderpage($request,$file,['no_output_web'],1).
1.310 bisitz 1177: '<form '.&Apache::edit::form_change_detection().' name="lonhomework" method="post" action="'.
1.204 albertel 1178: &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.
1.179 albertel 1179: &Apache::structuretags::remember_problem_state().'
1.347 golterma 1180: <div class="LC_edit_problem_header">
1181: <div class="LC_edit_problem_header_title">'.
1182: &mt('Problem Editing').' '.&Apache::loncommon::help_open_topic('Problem_Editor_XML_Index').
1183: '</div><div class="LC_edit_actionbar" id="actionbar">';
1184:
1.352 droeschl 1185: $result.='<input type="hidden" name="problemmode" value="saveedit" />'.
1.348 droeschl 1186: &Apache::structuretags::problem_edit_buttons('editxml');
1.352 droeschl 1187: $result.='<div>';
1.347 golterma 1188:
1.352 droeschl 1189: $result .= '<ol class="LC_primary_menu" style="display:inline-block;font-size:90%;vertical-align:middle;">';
1190:
1191: unless ($env{'environment.nocodemirror'}) {
1192: # dropdown menus
1193: $result .= Apache::lonmenu::create_submenu("#", "",
1194: &mt("Problem Templates"), template_dropdown_datastructure());
1195:
1196: $result .= Apache::lonmenu::create_submenu("#", "",
1197: &mt("Response Types"), responseblock_dropdown_datastructure());
1198:
1199: $result .= Apache::lonmenu::create_submenu("#", "",
1200: &mt("Conditional Blocks"), conditional_scripting_datastructure());
1201:
1202: $result .= Apache::lonmenu::create_submenu("#", "",
1203: &mt("Miscellaneous"), misc_datastructure());
1204: }
1.351 droeschl 1205:
1206: $result .= Apache::lonmenu::create_submenu("#", "",
1207: &mt("Help") . ' <img src="/adm/help/help.png" alt="' . &mt("Help") .
1208: '" style="vertical-align:text-bottom; height: auto; margin:0; "/>',
1.352 droeschl 1209: helpmenu_datastructure(),"");
1.351 droeschl 1210:
1211: $result.="</ol></div>";
1.323 www 1212:
1.352 droeschl 1213: $result .= '</div></div>' .
1214: &Apache::lonxml::message_location() .
1215: &Apache::loncommon::xmleditor_js() .
1216: '<textarea ' . &Apache::edit::element_change_detection() .
1217: ' rows="'.$rows.'" cols="'.$cols.'" style="width:100%" ' .
1218: ' name="editxmltext" id="LC_editxmltext">' .
1219: &HTML::Entities::encode($problem,'<>&"') .
1220: '</textarea> <div id="LC_aftertextarea"> </div> </form>';
1221:
1222: my $resource = $env{'request.ambiguous'};
1223: unless($env{'environment.nocodemirror'}){
1224: $result .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined-xml.css">
1225: <script src="/adm/codemirror/codemirror-compressed-xml.js"></script>
1226: <script>
1227: CodeMirror.defineMode("mixedmode", function(config) {
1228: return CodeMirror.multiplexingMode(
1229: CodeMirror.getMode(config, "xml"),
1230: {
1231: open: "\<script type=\"loncapa/perl\"\>", close: "\</script\>",
1232: mode: CodeMirror.getMode(config, "perl"),
1233: delimStyle: "tag",
1234: }
1235: );
1236: });
1237: var cm = CodeMirror.fromTextArea(document.getElementById("LC_editxmltext"),
1238: {
1239: mode: "mixedmode",
1240: lineWrapping: true,
1241: lineNumbers: true,
1242: tabSize: 4,
1243: indentUnit: 4,
1244:
1245: autoCloseTags: true,
1246: autoCloseBrackets: true,
1247: height: "auto",
1248: styleActiveLine: true,
1249:
1250: extraKeys: {
1251: "Tab": "indentMore",
1252: "Shift-Tab": "indentLess",
1253: }
1254: });
1255: restoreScrollPosition("'.$resource.'");
1256: </script>';
1257: }
1258:
1259: $result .= &Apache::loncommon::end_page();
1260: &Apache::lonxml::add_messages(\$result);
1261: $request->print($result);
1.145 albertel 1262: }
1263: return '';
1.47 albertel 1264: }
1.189 albertel 1265:
1.301 jms 1266: #
1267: # Render the page in whatever target desired.
1268: #
1.41 albertel 1269: sub renderpage {
1.360 raeburn 1270: my ($request,$file,$targets,$return_string,$donebuttonmsg) = @_;
1.52 albertel 1271:
1.211 albertel 1272: my @targets = @{$targets || [&get_target()]};
1.204 albertel 1273: &Apache::lonhomework::showhashsubset(\%env,'form.');
1.145 albertel 1274: &Apache::lonxml::debug("Running targets ".join(':',@targets));
1.268 albertel 1275:
1.171 albertel 1276: my $overall_result;
1.145 albertel 1277: foreach my $target (@targets) {
1.183 albertel 1278: # FIXME need to do something intelligent when a problem goes
1279: # from viewable to not viewable due to map conditions
1280: #&setuppermissions();
1281: #if ( $Apache::lonhomework::browse ne '2'
1282: # && $Apache::lonhomework::browse ne 'F' ) {
1283: # $request->print(" You most likely shouldn't see me.");
1284: #}
1.145 albertel 1285: #my $t0 = [&gettimeofday()];
1.211 albertel 1286: my $output=1;
1287: if ($target eq 'no_output_web') {
1288: $target = 'web'; $output=0;
1289: }
1.145 albertel 1290: my $problem=&Apache::lonnet::getfile($file);
1.222 albertel 1291: my $result;
1.145 albertel 1292: if ($problem eq -1) {
1.260 albertel 1293: $problem='';
1.222 albertel 1294: my $filename=(split('/',$file))[-1];
1.260 albertel 1295: my $error =
1.347 golterma 1296: '<p class="LC_error">'
1297: .&mt('Unable to find [_1]',
1298: '<span class="LC_filename">'.$filename.'</span>')
1299: ."</p>";
1.260 albertel 1300: $result.=
1301: &Apache::loncommon::simple_error_page($request,'Not available',
1.340 bisitz 1302: $error,{'no_auto_mt_msg' => 1});
1.260 albertel 1303: return;
1.145 albertel 1304: }
1.52 albertel 1305:
1.145 albertel 1306: my %mystyle;
1307: if ($target eq 'analyze') { %Apache::lonhomework::analyze=(); }
1308: if ($target eq 'answer') { &showhash(%Apache::lonhomework::history); }
1.204 albertel 1309: if ($target eq 'web') {&Apache::lonhomework::showhashsubset(\%env,'^form');}
1.145 albertel 1310:
1311: &Apache::lonxml::debug("Should be parsing now");
1.222 albertel 1312: $result .= &Apache::lonxml::xmlparse($request, $target, $problem,
1313: &setup_vars($target),%mystyle);
1.273 albertel 1314: &finished_parsing();
1.214 albertel 1315: if (!$output) { $result = ''; }
1.145 albertel 1316: #$request->print("Result follows:");
1317: if ($target eq 'modified') {
1318: &handle_save_or_undo($request,\$problem,\$result);
1319: } else {
1320: if ($target eq 'analyze') {
1321: $result=&Apache::lonnet::hashref2str(\%Apache::lonhomework::analyze);
1322: undef(%Apache::lonhomework::analyze);
1.360 raeburn 1323: } elsif ($target eq 'web') {
1324: if ($donebuttonmsg) {
1325: $result =~ s{</body>}{};
1326: $result.= &Apache::loncommon::confirmwrapper(&Apache::lonhtmlcommon::confirm_success($donebuttonmsg,1))."\n</body>";
1327: }
1328: }
1.145 albertel 1329: #my $td=&tv_interval($t0);
1330: #if ( $Apache::lonxml::debug) {
1331: #$result =~ s:</body>::;
1332: #$result.="<br />Spent $td seconds processing target $target\n</body>";
1333: #}
1.171 albertel 1334: # $request->print($result);
1335: $overall_result.=$result;
1336: # $request->rflush();
1.145 albertel 1337: }
1338: #$request->print(":Result ends");
1339: #my $td=&tv_interval($t0);
1.52 albertel 1340: }
1.213 albertel 1341: if (!$return_string) {
1342: &Apache::lonxml::add_messages(\$overall_result);
1343: $request->print($overall_result);
1344: $request->rflush();
1345: } else {
1346: return $overall_result;
1347: }
1.41 albertel 1348: }
1349:
1.273 albertel 1350: sub finished_parsing {
1351: undef($Apache::lonhomework::parsing_a_problem);
1352: undef($Apache::lonhomework::parsing_a_task);
1353: }
1354:
1.347 golterma 1355: # function extracted from get_template_html
1356: # returns "key" -> list
1357: # key: path of template
1358: # value 1: title
1359: # value 2: category
1360: # value 3: name of help topic ???
1361: sub get_template_list{
1362: my ($extension) = @_;
1363:
1364: my @files = glob($Apache::lonnet::perlvar{'lonIncludes'}.
1365: '/templates/*.'.$extension);
1366: @files = map {[$_,&mt(&Apache::lonnet::metadata($_, 'title')),
1367: (&Apache::lonnet::metadata($_, 'category')?&mt(&Apache::lonnet::metadata($_, 'category')):&mt('Miscellaneous')),
1368: &mt(&Apache::lonnet::metadata($_, 'help'))]} (@files);
1369: @files = sort {$a->[2].$a->[1] cmp $b->[2].$b->[1]} (@files);
1370: return @files;
1371: }
1372:
1373: sub get_template_html {
1.282 albertel 1374: my ($extension) = @_;
1.145 albertel 1375: my $result;
1376: my @allnames;
1377: &Apache::lonxml::debug("Looking for :$extension:");
1.282 albertel 1378: my $glob_extension = $extension;
1379: if ($extension eq 'survey' || $extension eq 'exam') {
1380: $glob_extension = 'problem';
1381: }
1.347 golterma 1382: my @files = &get_template_list($extension);
1.287 raeburn 1383: my ($midpoint,$seconddiv,$numfiles);
1.341 bisitz 1384: my @noexamplelink = ('blank.problem','blank.library','script.library');
1.287 raeburn 1385: $numfiles = 0;
1386: foreach my $file (@files) {
1387: next if ($file->[1] !~ /\S/);
1388: $numfiles ++;
1389: }
1390: if ($numfiles > 0) {
1391: $result = '<div class="LC_left_float">';
1392: $midpoint = int($numfiles/2);
1393: if ($numfiles%2) {
1394: $midpoint ++;
1395: }
1396: }
1397: my $count = 0;
1.292 www 1398: my $currentcategory='';
1.314 bisitz 1399: my $first = 1;
1.329 raeburn 1400: my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
1.282 albertel 1401: foreach my $file (@files) {
1402: next if ($file->[1] !~ /\S/);
1.292 www 1403: if ($file->[2] ne $currentcategory) {
1404: $currentcategory=$file->[2];
1405: if ((!$seconddiv) && ($count >= $midpoint)) {
1.314 bisitz 1406: $result .= '</div></div>'."\n".'<div class="LC_left_float">'."\n";
1.292 www 1407: $seconddiv = 1;
1.314 bisitz 1408: } elsif (!$first) {
1409: $result.='</div>'."\n";
1410: } else {
1411: $first = 0;
1.292 www 1412: }
1.314 bisitz 1413: $result.= '<div class="LC_Box">'."\n"
1414: .'<h3 class="LC_hcell">'.$currentcategory.'</h3>'."\n";
1.293 www 1415: $count++;
1.292 www 1416: }
1.282 albertel 1417: $result .=
1418: '<label><input type="radio" name="template" value="'.$file->[0].'" />'.
1.292 www 1419: $file->[1].'</label>';
1420: if ($file->[3]) {
1421: $result.=&Apache::loncommon::help_open_topic($file->[3]);
1422: }
1.341 bisitz 1423: # Provide example link
1.292 www 1424: my $filename=$file->[0];
1.329 raeburn 1425: $filename=~s{^\Q$londocroot\E}{};
1.344 raeburn 1426: if (!(grep($filename =~ /\Q$_\E$/,@noexamplelink))) {
1427: $result .= ' <span class="LC_fontsize_small">'
1428: .&Apache::loncommon::modal_link(
1429: $filename.'?inhibitmenu=yes',&mt('Example'),600,420,'sample')
1430: .'</span>';
1431: }
1.341 bisitz 1432: $result .= '<br />'."\n";
1.287 raeburn 1433: $count ++;
1434: }
1435: if ($numfiles > 0) {
1.314 bisitz 1436: $result .= '</div></div>'."\n".'<div class="LC_clear_float_footer"></div>'."\n";
1.42 albertel 1437: }
1.145 albertel 1438: return $result;
1.42 albertel 1439: }
1440:
1441: sub newproblem {
1.65 matthew 1442: my ($request) = @_;
1.282 albertel 1443:
1.365 raeburn 1444: if ($env{'form.mode'} eq 'blank'){
1.347 golterma 1445: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1.365 raeburn 1446: my $templatefilename =
1447: $request->dir_config('lonIncludes').'/templates/blank.problem';
1448: &File::Copy::copy($templatefilename,$dest);
1.347 golterma 1449: &renderpage($request,$dest);
1450: return;
1451: }
1.366 raeburn 1452: my $errormsg;
1.282 albertel 1453: if ($env{'form.template'}) {
1.366 raeburn 1454: my $file;
1455: my ($extension) = ($env{'form.template'} =~ /\.(\w+)$/);
1456: if ($extension) {
1457: my @files = &get_template_list($extension);
1458: foreach my $poss (@files) {
1459: if (ref($poss) eq 'ARRAY') {
1460: if ($env{'form.template'} eq $poss->[0]) {
1461: $file = $env{'form.template'};
1462: last;
1463: }
1464: }
1465: }
1466: if ($file) {
1467: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1468: &File::Copy::copy($file,$dest);
1469: &renderpage($request,$dest);
1470: return;
1471: } else {
1472: $errormsg = '<p class="LC_error">'.&mt('Invalid template file.').'</p>';
1473: }
1474: } else {
1475: $errormsg = '<p class="LC_error">'.&mt('Invalid template file; template needs to be a .problem, .library, or .task file.').'</p>';
1476: }
1.282 albertel 1477: }
1478:
1479: my ($extension) = ($request->uri =~ m/\.(\w+)$/);
1480: &Apache::lonxml::debug("Looking for :$extension:");
1.347 golterma 1481: my $templatelist=&get_template_html($extension);
1.282 albertel 1482: if ($env{'form.newfile'} && !$templatelist) {
1483: # no templates found
1.131 albertel 1484: my $templatefilename =
1.258 albertel 1485: $request->dir_config('lonIncludes').'/templates/blank.'.$extension;
1.131 albertel 1486: &Apache::lonxml::debug("$templatefilename");
1487: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1.282 albertel 1488: &File::Copy::copy($templatefilename,$dest);
1.131 albertel 1489: &renderpage($request,$dest);
1.85 albertel 1490: } else {
1.176 albertel 1491: my $url=&HTML::Entities::encode($request->uri,'<>&"');
1.65 matthew 1492: my $dest = &Apache::lonnet::filelocation("",$request->uri);
1.85 albertel 1493: my $instructions;
1.330 raeburn 1494: my $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
1.338 raeburn 1495: 'text' => 'Authoring Space'},
1.312 bisitz 1496: {'href' => '',
1497: 'text' => "Create New $extension"}];
1.240 albertel 1498: my $start_page =
1.312 bisitz 1499: &Apache::loncommon::start_page("Create New $extension",
1500: undef,
1501: {'bread_crumbs' => $brcrum,});
1.311 bisitz 1502: $request->print(
1503: $start_page
1504: .&Apache::loncommon::head_subbox(
1505: &Apache::loncommon::CSTR_pageheader())
1506: .'<h1>'.&mt("Creating a new $extension resource.")."</h1>
1.128 albertel 1507: $errormsg
1.258 albertel 1508: ".&mt("The requested file [_1] currently does not exist.",
1.329 raeburn 1509: '<span class="LC_filename">'.$url.'</span>').'
1.314 bisitz 1510: <p class="LC_info">
1511: '.&mt("To create a new $extension, select a template from the".
1512: " list below. Then click on the \"Create $extension\" button.").'
1513: </p><div><form action="'.$url.'" method="post">');
1.258 albertel 1514:
1.85 albertel 1515: if (defined($templatelist)) {
1.282 albertel 1516: $request->print($templatelist);
1.85 albertel 1517: }
1.282 albertel 1518: $request->print('<br /><input type="submit" name="newfile" value="'.
1519: &mt("Create $extension").'" />');
1.314 bisitz 1520: $request->print('</form></div>'.&Apache::loncommon::end_page());
1.65 matthew 1521: }
1.282 albertel 1522: return;
1.42 albertel 1523: }
1524:
1.268 albertel 1525: sub update_construct_style {
1526: if ($env{'request.state'} eq "construct"
1.289 raeburn 1527: && $env{'form.problemmode'} eq 'view'
1.268 albertel 1528: && defined($env{'form.submitted'})
1529: && !defined($env{'form.resetdata'})
1530: && !defined($env{'form.newrandomization'})) {
1531: if ((!$env{'form.style_file'} && $env{'construct.style'})
1532: ||$env{'form.clear_style_file'}) {
1.303 raeburn 1533: &Apache::lonnet::delenv('construct.style');
1.268 albertel 1534: } elsif ($env{'form.style_file'}
1535: && $env{'construct.style'} ne $env{'form.style_file'}) {
1.291 raeburn 1536: &Apache::lonnet::appenv({'construct.style' =>
1537: $env{'form.style_file'}});
1.268 albertel 1538: }
1539: }
1540: }
1541:
1.354 musolffc 1542: #
1543: # Sets interval for current user so time left will be zero, either for the entire folder
1544: # containing the current resource, or just the resource, depending on value of first item
1545: # in interval array retrieved from EXT("resource.0.interval");
1546: #
1547: sub zero_timer {
1548: my ($symb) = @_;
1549: my ($hastimeleft,$first_access,$now);
1.356 raeburn 1550: my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb);
1.354 musolffc 1551: if (@interval > 1) {
1552: if ($interval[1] eq 'course') {
1.360 raeburn 1553: return ('fail',&mt('Ending of timed events not supported for intervals set course-wide'));
1.354 musolffc 1554: } else {
1555: my $now = time;
1556: my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
1557: if ($first_access > 0) {
1.361 raeburn 1558: my ($timelimit,$donesuffix) = split(/_/,$interval[0],2);
1559: if ($donesuffix =~ /^done(?:|\:[^\:]+\:)(.*)$/) {
1560: my ($dummy,$proctor,$secret) = split(/_/,$1);
1.360 raeburn 1561: if (($proctor) && ($secret ne '')) {
1562: my $key = $env{'form.LC_interval_done_proctorpass'};
1563: $key =~ s/^\s+//;
1564: $key =~ s/\s+$//;
1565: if ($env{'form.LC_interval_done_proctorpass'} ne $secret) {
1566: return ('fail',
1567: &mt('Incorrect key entered by proctor'));
1568: }
1.354 musolffc 1569: }
1.360 raeburn 1570: if ($first_access+$timelimit > $now) {
1571: my $done_time = $now - $first_access;
1572: my $snum = 1;
1573: if ($interval[1] eq 'map') {
1574: $snum = 2;
1575: }
1576: my $result =
1577: &Apache::lonparmset::storeparm_by_symb_inner($symb,'0_interval',
1578: $snum,$done_time,
1579: 'date_interval',
1580: $env{'user.name'},
1581: $env{'user.domain'});
1582: if ($result eq '') {
1583: # Record action in "User Notes"
1584: &Apache::lonmsg::store_instructor_comment(
1585: 'Pressed Done button for symb:<br />'.$symb,
1586: $env{'user.name'}, $env{'user.domain'});
1587: return ('ok');
1588: } else {
1589: return ('fail',&mt('Error ending timed event: [_1]',$result));
1590: }
1591: } else {
1592: return ('fail',&mt('Timed event already ended'));
1593: }
1594: } else {
1595: return ('fail',&mt('Timed event can not be ended before the time limit'));
1.354 musolffc 1596: }
1.360 raeburn 1597: } else {
1598: return ('fail',&mt('Timer not yet started for this timed event'));
1.354 musolffc 1599: }
1600: }
1.360 raeburn 1601: } else {
1602: return ('fail',&mt('No timer in use'));
1.354 musolffc 1603: }
1.360 raeburn 1604: return();
1.354 musolffc 1605: }
1.268 albertel 1606:
1.41 albertel 1607: sub handler {
1.145 albertel 1608: #my $t0 = [&gettimeofday()];
1609: my $request=$_[0];
1.354 musolffc 1610:
1.223 albertel 1611: $Apache::lonxml::request=$request;
1.204 albertel 1612: $Apache::lonxml::debug=$env{'user.debug'};
1613: $env{'request.uri'}=$request->uri;
1.180 albertel 1614: &setuppermissions();
1.193 albertel 1615:
1.145 albertel 1616: my $file=&Apache::lonnet::filelocation("",$request->uri);
1617:
1618: #check if we know where we are
1.350 raeburn 1619: if ($env{'request.course.fn'} && !&Apache::lonnet::symbread('','',1,1)) {
1.145 albertel 1620: # if we are browsing we might not be able to know where we are
1.173 albertel 1621: if ($Apache::lonhomework::browse ne 'F' &&
1.204 albertel 1622: $env{'request.state'} ne "construct") {
1.145 albertel 1623: #should know where we are, so ask
1.253 albertel 1624: &unset_permissions();
1625: $request->internal_redirect('/adm/ambiguous');
1626: return OK;
1.145 albertel 1627: }
1628: }
1.253 albertel 1629: if (&setupheader($request)) {
1630: &unset_permissions();
1631: return OK;
1632: }
1.354 musolffc 1633:
1.244 albertel 1634: &Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:$Apache::lonhomework::modifygrades:$Apache::lonhomework::queuegrade");
1.204 albertel 1635: &Apache::lonxml::debug("Problem Mode ".$env{'form.problemmode'});
1.261 albertel 1636: my ($symb) = &Apache::lonnet::whichuser();
1.145 albertel 1637: &Apache::lonxml::debug('symb is '.$symb);
1.204 albertel 1638: if ($env{'request.state'} eq "construct") {
1.145 albertel 1639: if ( -e $file ) {
1640: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1641: ['problemmode']);
1.204 albertel 1642: if (!(defined $env{'form.problemmode'})) {
1.145 albertel 1643: #first visit to problem in construction space
1.289 raeburn 1644: $env{'form.problemmode'}= 'view';
1.145 albertel 1645: &renderpage($request,$file);
1.323 www 1646: } elsif (($env{'form.problemmode'} eq 'editxml') ||
1647: ($env{'form.problemmode'} eq 'saveeditxml') ||
1648: ($env{'form.problemmode'} eq 'saveviewxml') ||
1649: ($env{'form.problemmode'} eq 'undoxml')) {
1.145 albertel 1650: &editxmlmode($request,$file);
1.289 raeburn 1651: } elsif ($env{'form.problemmode'} eq 'calcanswers') {
1.145 albertel 1652: &analyze($request,$file);
1653: } else {
1.268 albertel 1654: &update_construct_style();
1.145 albertel 1655: &renderpage($request,$file);
1656: }
1657: } else {
1.347 golterma 1658: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1659: ['mode']);
1.145 albertel 1660: # requested file doesn't exist in contruction space
1661: &newproblem($request);
1662: }
1663: } else {
1.354 musolffc 1664: # Set the event timer to zero if the "done button" was clicked. The button is
1665: # part of the doneButton form created in lonmenu.pm
1.360 raeburn 1666: my ($donebuttonresult,$donemsg);
1.354 musolffc 1667: if ($symb && $env{'form.LC_interval_done'} eq 'true') {
1.360 raeburn 1668: ($donebuttonresult,$donemsg) = &zero_timer($symb);
1.354 musolffc 1669: undef($env{'form.LC_interval_done'});
1.360 raeburn 1670: undef($env{'form.LC_interval_done_proctorpass'});
1.354 musolffc 1671: }
1.145 albertel 1672: # just render the page normally outside of construction space
1673: &Apache::lonxml::debug("not construct");
1.360 raeburn 1674: &renderpage($request,$file,undef,undef,$donemsg);
1.41 albertel 1675: }
1.145 albertel 1676: #my $td=&tv_interval($t0);
1677: #&Apache::lonxml::debug("Spent $td seconds processing");
1678: # always turn off debug messages
1679: $Apache::lonxml::debug=0;
1.253 albertel 1680: &unset_permissions();
1.145 albertel 1681: return OK;
1.52 albertel 1682:
1.1 albertel 1683: }
1684:
1.352 droeschl 1685: sub template_dropdown_datastructure {
1686: # gathering the all templates and their path, title, category and help topic
1687: my @templates = get_template_list('problem');
1688: # template category => title
1689: my %tmplthash = ();
1690: # template title => path
1691: my %tmpltcontent = ();
1692:
1693: foreach my $template (@templates){
1694: # put in hash if the template is not empty
1695: unless ($template->[1] eq ''){
1696: push(@{$tmplthash{$template->[2]}}, $template->[1]);
1697: push(@{$tmpltcontent{$template->[1]}},$template->[0]);
1698: }
1699: }
1700:
1701: my $catList = [];
1702: foreach my $cat (sort keys %tmplthash) {
1703: my $catItems = [];
1704: foreach my $title (sort @{$tmplthash{$cat}}) {
1705: my $path = $tmpltcontent{$title}->[0];
1706: my $code;
1707: open(FH, "<$path");
1708: while(<FH>){
1709: $code.= $_ unless $_ =~ /(<problem>)|(<\/problem>)/;
1710: }
1711: close(FH);
1712:
1713: if ($code ne '') {
1714: my $href = 'javascript:insertText(\'' . &convert_for_js(&HTML::Entities::encode($code,'<>&"')) . '\')';
1715: my $currItem = [$href, $title, undef];
1716: push @{$catItems}, $currItem;
1717: }
1718: }
1719: push @{$catList}, [$catItems, $cat, undef];
1720: }
1721:
1722: return $catList;
1723: }
1724:
1725: sub responseblock_dropdown_datastructure {
1726:
1727: my $mathCat = [
1728: [
1729: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_formularesponse())) . "\')", &mt("Formula Response"), undef],
1730: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_functionplotresponse())) . "\')", &mt("Function Plot Response"), undef],
1731: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_mathresponse())) . "\')", &mt("Math Response"), undef],
1732: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_numericalresponse())) . "\')", &mt("Numerical Response"), undef]
1733: ],
1734: &mt("Math"),
1735: undef
1736: ];
1737:
1738: my $miscCat = [
1739: [
1740: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_imageresponse())) . "\')", &mt("Click on Image"), undef],
1741: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_customresponse())) . "\')", &mt("Custom Response"), undef],
1742: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_externalresponse())) . "\')", &mt("External Response"), undef],
1743: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_matchresponse())) . "\')", &mt("Match Two Lists"), undef],
1744: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_radiobuttonresponse())) . "\')", &mt("One out of N statements"), undef],
1745: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_optionresponse())) . "\')", &mt("Select from Options"), undef],
1746: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_rankresponse())) . "\')", &mt("Rank Values"), undef]
1747: ],
1748: &mt("Miscellaneous"),
1749: undef
1750: ];
1751:
1752: my $chemCat = [
1753: [
1754: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_reactionresponse())) . "\')", &mt("Chemical Reaction"), undef],
1755: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicresponse())) . "\')", &mt("Organic Chemical Structure"), undef]
1756: ],
1757: &mt("Chemistry"),
1758: undef
1759: ];
1760:
1761: my $textCat = [
1762: [
1763: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_stringresponse())) . "\')", &mt("String Response"), undef],
1764: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_essayresponse())) . "\')", &mt("Essay"), undef]
1765: ],
1766: &mt("Text"),
1767: undef
1768: ];
1769:
1770: return [$mathCat, $miscCat, $chemCat, $textCat];
1771: }
1772:
1773:
1774: sub conditional_scripting_datastructure {
1775: # TODO: corresponding routines should be used for the javascript:insertText parts
1776: # instead of the placeholder routine default_xml_tag with the tags
1777: # e.g. &default_xml_tag("postanswerdate") should be replaced with a routine which
1778: # returns the corresponding content for this case
1779:
1780: #TODO translated is currently temporarily here, another solution should be found where the
1781: # needed string can be retrieved
1782:
1783: my $translatedTag = '
1784: <translated>
1785: <lang which="en"></lang>
1786: <lang which="default"></lang>
1787: </translated>';
1788: return [
1789: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode($translatedTag)) . "\')", &mt("Translated Block"), undef],
1790: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("block"))) . "\')", &mt("Conditional Block"), undef],
1791: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("postanswerdate"))) . "\')", &mt("After Answer Date Block"), undef],
1792: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("preduedate"))) . "\')", &mt("Before Due Date Block"), undef],
1793: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("solved"))) . "\')", &mt("Block For After Solved"), undef],
1794: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("notsolved"))) . "\')", &mt("Block For When Not Solved"), undef]
1795: ];
1796: }
1797:
1798: sub misc_datastructure {
1799: return [
1800: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_img())) . "\')", &mt("Image"), undef],
1801: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::lonplot::insert_gnuplot())) . "\')", &mt("GNU Plot"), undef],
1802: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicstructure())) . "\')", &mt("Organic Structure"), undef],
1803: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_script())) . "\')", &mt("Script Block"), undef],
1804: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("allow"))) . "\')", &mt("File Dependencies"), undef],
1805: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("import"))) . "\')", &mt("Import a File"), undef],
1.353 droeschl 1806: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::londefdef::insert_meta())) . "\')", &mt("Custom Metadata"), undef],
1807: ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("part"))) . "\')", &mt("Problem Part"), undef]
1.352 droeschl 1808: ];
1809: }
1810:
1811: # helper routine for the datastructure building subroutines
1812: sub default_xml_tag {
1813: my ($tag) = @_;
1814: return "\n<$tag></$tag>";
1815: }
1816:
1817:
1818: sub helpmenu_datastructure {
1819:
1.367 damieng 1820: # filename, title, width, height
1.352 droeschl 1821: my $helpers = [
1.367 damieng 1822: ['Problem_LON-CAPA_Functions.hlp', &mt('Script Functions'), 800, 600],
1823: ['Greek_Symbols.hlp', &mt('Greek Symbols'), 500, 600],
1824: ['Other_Symbols.hlp', &mt('Other Symbols'), 500, 600],
1825: ['Authoring_Output_Tags.hlp', &mt('Output Tags'), 800, 600],
1826: ['Authoring_Multilingual_Problems.hlp',
1827: &mt('How to create problems in different languages'), 800, 600],
1828: ['loncapa.html', &mt('Language reference'), 800, 600],
1.352 droeschl 1829: ];
1830:
1831: my $help_structure = [];
1832:
1833: foreach my $count (0..(scalar(@{$helpers})-1)) {
1834: my $filename = $helpers->[$count]->[0];
1835: my $title = $helpers->[$count]->[1];
1.367 damieng 1836: my $width = $helpers->[$count]->[2];
1837: my $height = $helpers->[$count]->[3];
1.368 raeburn 1838: if ($width eq '') {
1839: $width = 500;
1840: }
1841: if ($height eq '') {
1842: $height = 600;
1843: }
1.367 damieng 1844: my $href = &HTML::Entities::encode("javascript:openMyModal('/adm/help/$filename',$width,$height,'yes');");
1.352 droeschl 1845: push @{$help_structure}, [$href, $title, undef];
1846: }
1847:
1848: return $help_structure;
1849: }
1850:
1851: # we need substitution to not break javascript code
1852: sub convert_for_js {
1853: my $return = shift;
1854: $return =~ s|script|ESCAPEDSCRIPT|g;
1855: $return =~ s|\\|\\\\|g;
1856: $return =~ s|\n|\\r\\n|g;
1857: $return =~ s|'|\\'|g;
1858: $return =~ s|'|\\'|g;
1859: return $return;
1860: }
1861:
1.1 albertel 1862: 1;
1863: __END__
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