1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.101 2003/05/09 22:24:05 albertel 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: # 2/19 Guy
29:
30: package Apache::inputtags;
31: use HTML::Entities();
32: use strict;
33: use Apache::loncommon;
34:
35: BEGIN {
36: &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline'));
37: }
38:
39:
40: sub initialize_inputtags {
41: # list of current input ids
42: @Apache::inputtags::input=();
43: # list of all input ids seen in this problem
44: @Apache::inputtags::inputlist=();
45: # list of all current response ids
46: @Apache::inputtags::response=();
47: # list of all response ids seen in this problem
48: @Apache::inputtags::responselist=();
49: # list of whether or not a specific response was previously used
50: @Apache::inputtags::previous=();
51: # submission it was used in
52: @Apache::inputtags::previous_version=();
53: # id of current part, 0 means that no part is current (inside <problem> only
54: $Apache::inputtags::part='';
55: # list of problem date statuses, the first element is for <problem>
56: # if there is a second element it is for the current <part>
57: @Apache::inputtags::status=();
58: # hash of defined params for the current response
59: %Apache::inputtags::params=();
60: # list of all ids, for <import>, these get join()ed and prepended
61: @Apache::inputtags::import=();
62: }
63:
64: sub start_input {
65: my ($parstack,$safeeval)=@_;
66: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
67: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
68: push (@Apache::inputtags::input,$id);
69: push (@Apache::inputtags::inputlist,$id);
70: return $id;
71: }
72:
73: sub end_input {
74: pop @Apache::inputtags::input;
75: return '';
76: }
77:
78: sub start_textfield {
79: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
80: my $result = "";
81: my $id = &start_input($parstack,$safeeval);
82: my $resid=$Apache::inputtags::response[-1];
83: if ($target eq 'web') {
84: $Apache::lonxml::evaluate--;
85: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
86: my $partid=$Apache::inputtags::part;
87: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"});
88: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
89: if ( $cols eq '') { $cols = 80; }
90: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
91: if ( $rows eq '') { $rows = 10; }
92: $result= '<textarea name="HWVAL_'.$resid.'" '.
93: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
94: if ($oldresponse ne '') {
95: #get rid of any startup text if the user has already responded
96: &Apache::lonxml::get_all_text("/textfield",$parser);
97: }
98: } else {
99: #right or wrong don't show it
100: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
101: $result='';
102: #get rid of any startup text
103: &Apache::lonxml::get_all_text("/textfield",$parser);
104: }
105: } elsif ($target eq 'grade') {
106: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser);
107: if ($seedtext eq $ENV{'form.HWVAL_'.$resid}) {
108: # if the seed text is still there it wasn't a real submission
109: $ENV{'form.HWVAL_'.$resid}='';
110: }
111: } elsif ($target eq 'edit') {
112: $result.=&Apache::edit::tag_start($target,$token);
113: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
114: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
115: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser);
116: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
117: } elsif ($target eq 'modified') {
118: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
119: $safeeval,'rows','cols');
120: if ($constructtag) {
121: $result = &Apache::edit::rebuild_tag($token);
122: } else {
123: $result=$token->[4];
124: }
125: $result.=&Apache::edit::modifiedfield();
126: } elsif ($target eq 'tex') {
127: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
128: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
129: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
130: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
131: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
132: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
133: } else {
134: my $TeXwidth=$width_of_box/80;
135: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
136: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
137: $result.='}}}\vskip 2 mm ';
138: }
139: }
140: return $result;
141: }
142:
143: sub end_textfield {
144: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
145: my $result;
146: if ($target eq 'web') {
147: $Apache::lonxml::evaluate++;
148: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
149: return "</textarea>";
150: }
151: } elsif ($target eq 'edit') {
152: $result=&Apache::edit::end_table();
153: }
154: &end_input;
155: return $result;
156: }
157:
158: sub start_textline {
159: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
160: my $result = "";
161: if ($target eq 'web') {
162: $Apache::lonxml::evaluate--;
163: my $partid=$Apache::inputtags::part;
164: my $id=$Apache::inputtags::response[-1];
165: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
166: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
167: my $maxlength;
168: if ($size eq '') { $size=20; } else {
169: if ($size < 20) { $maxlength=$size; }
170: }
171: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
172: if ($Apache::lonhomework::type ne 'exam') {
173: $result= '<input type="text" name="HWVAL_'.$id.'" value="'.
174: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
175: }
176: } else {
177: #right or wrong don't show what was last typed in.
178: #$result='<i>'.$oldresponse.'</i>';
179: $result='';
180: }
181: } elsif ($target eq 'edit') {
182: $result=&Apache::edit::tag_start($target,$token);
183: $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
184: $result.=&Apache::edit::end_table;
185: } elsif ($target eq 'modified') {
186: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
187: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
188: } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
189: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
190: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
191: $result='\framebox['.$size.'][s]{\tiny\strut}';
192: }
193: return $result;
194: }
195:
196: sub end_textline {
197: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
198: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
199: elsif ($target eq 'edit') { return ('','no'); }
200: return "";
201: }
202:
203: sub start_hiddenline {
204: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
205: my $result = "";
206: if ($target eq 'web') {
207: $Apache::lonxml::evaluate--;
208: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
209: my $partid=$Apache::inputtags::part;
210: my $id=$Apache::inputtags::response[-1];
211: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
212: if ($Apache::lonhomework::type ne 'exam') {
213: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
214: $oldresponse.'" />';
215: }
216: }
217: } elsif ($target eq 'edit') {
218: $result=&Apache::edit::tag_start($target,$token);
219: $result.=&Apache::edit::end_table;
220: }
221: return $result;
222: }
223:
224: sub end_hiddenline {
225: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
226: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
227: elsif ($target eq 'edit') { return ('','no'); }
228: return "";
229: }
230:
231: sub finalizeawards {
232: my $result='';
233: my $award;
234: if ($#_ == '-1') { $result = "NO_RESPONSE"; }
235: if ($result eq '' ) {
236: my $blankcount;
237: foreach $award (@_) {
238: if ($award eq '') {
239: $result='MISSING_ANSWER';
240: $blankcount++;
241: }
242: }
243: if ($blankcount == ($#_ + 1)) { $result = 'NO_RESPONSE'; }
244: }
245: if ($result eq '' ) {
246: foreach $award (@_) { if ($award eq 'MISSING_ANSWER') {$result='MISSING_ANSWER'; last;}}
247: }
248: if ($result eq '' ) {
249: foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
250: }
251: if ($result eq '' ) {
252: foreach $award (@_) { if ($award eq 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
253: }
254:
255: if ($result eq '' ) {
256: foreach $award (@_) {
257: if ($award eq 'UNIT_FAIL' ||
258: $award eq 'NO_UNIT' ||
259: $award eq 'UNIT_NOTNEEDED') {
260: $result=$award; last;
261: }
262: }
263: }
264: if ($result eq '' ) {
265: foreach $award (@_) {
266: if ($award eq 'WANTED_NUMERIC' ||
267: $award eq 'BAD_FORMULA') {$result=$award; last;}
268: }
269: }
270: if ($result eq '' ) {
271: foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
272: }
273: if ($result eq '' ) {
274: foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
275: }
276: if ($result eq '' ) {
277: foreach $award (@_) { if ($award eq 'MISORDERED_RANK') {$result=$award; last;} }
278: }
279: if ($result eq '' ) {
280: foreach $award (@_) { if ($award eq 'INVALID_FILETYPE') {$result=$award; last;} }
281: }
282: if ($result eq '' ) {
283: foreach $award (@_) { if ($award eq 'DRAFT') {$result=$award; last;} }
284: }
285: if ($result eq '' ) {
286: foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award; last;} }
287: }
288: if ($result eq '' ) {
289: foreach $award (@_) { if ($award eq 'ASSIGNED_SCORE') {$result=$award; last;} }
290: }
291: if ($result eq '' ) {
292: foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
293: }
294: if ($result eq '' ) { $result='EXACT_ANS'; }
295: return $result
296: }
297:
298: sub decideoutput {
299: my ($award,$solved,$previous,$target)=@_;
300: my $message='';
301: my $button=0;
302: my $previousmsg;
303:
304: if ($previous) { $previousmsg='You have entered that answer before'; }
305:
306: if ($solved =~ /^correct/) {
307: if ($award eq 'ASSIGNED_SCORE') {
308: $message = "A score has been assigned.";
309: } else {
310: if ($target eq 'tex') {
311: $message = '\textbf{You are correct}.';
312: } else {
313: $message = "<b>You are correct.</b>";
314: }
315: $message=' Your receipt is '.&Apache::lonnet::receipt;
316: }
317: $button=0;
318: $previousmsg='';
319: } elsif ($solved =~ /^excused/) {
320: $message = "<b>You are excused from the problem.</b>";
321: $button=0;
322: $previousmsg='';
323: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
324: if ($solved =~ /^incorrect/ || $solved eq '') {
325: $message = "Incorrect";
326: $button=1;
327: } else {
328: $message = "<b>You are correct.</b> Your receipt is ".
329: &Apache::lonnet::receipt;
330: $button=0;
331: $previousmsg='';
332: }
333: } elsif ($award eq 'NO_RESPONSE') {
334: $message = '';
335: $button=1;
336: } elsif ($award eq 'MISSING_ANSWER') {
337: $message = 'Some parts were not submitted';
338: $button = 1;
339: } elsif ($award eq 'WANTED_NUMERIC') {
340: $message = "This question expects a numeric answer";
341: $button=1;
342: } elsif ($award eq 'MISORDERED_RANK') {
343: $message = 'You have provided an invalid ranking, please refer to '.
344: &Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems').'.';
345: $button=1;
346: } elsif ($award eq 'INVALID_FILETYPE') {
347: $message = 'The filetype extension of the file you uploaded is not allowed.';
348: $button=1;
349: } elsif ($award eq 'SIG_FAIL') {
350: $message = "Please adjust significant figures.";# you provided %s significant figures";
351: $button=1;
352: } elsif ($award eq 'UNIT_FAIL') {
353: $message = "Units incorrect. ".
354: &Apache::loncommon::help_open_topic('Physical_Units'); #Computer reads units as %s";
355: $button=1;
356: } elsif ($award eq 'UNIT_NOTNEEDED') {
357: $message = "Only a number required.";# Computer reads units of %s";
358: $button=1;
359: } elsif ($award eq 'NO_UNIT') {
360: $message = "Units required".
361: &Apache::loncommon::help_open_topic('Physical_Units');
362: $button=1;
363: } elsif ($award eq 'BAD_FORMULA') {
364: $message = "Unable to understand formula";
365: $button=1;
366: } elsif ($award eq 'INCORRECT') {
367: $message = "Incorrect";
368: $button=1;
369: } elsif ($award eq 'SUBMITTED') {
370: $message = "Your submission has been recorded.";
371: $button=1;
372: } elsif ($award eq 'DRAFT') {
373: $message = "A draft copy has been saved.";
374: $button=1;
375: } elsif ($award eq 'ASSIGNED_SCORE') {
376: $message = "A score has been assigned.";
377: $button=0;
378: } else {
379: $message = "Unknown message: $award";
380: $button=1;
381: }
382: if (lc($Apache::lonhomework::problemstatus) eq 'no') {
383: $message = "Answer Submitted";
384: $button=1;
385: }
386: return ($button,$message,$previousmsg);
387: }
388:
389: sub removealldata {
390: my ($id)=@_;
391: foreach my $key (keys(%Apache::lonhomework::results)) {
392: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
393: &Apache::lonxml::debug("Removing $key");
394: delete($Apache::lonhomework::results{$key});
395: }
396: }
397: }
398:
399: sub setgradedata {
400: my ($award,$id,$previously_used) = @_;
401: # if the student already has it correct, don't modify the status
402: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
403: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
404: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
405: return '';
406: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
407: /^correct/ || $Apache::lonhomework::scantronmode ||
408: lc($Apache::lonhomework::problemstatus) eq 'no') {
409: #handle assignment of tries and solved status
410: my $solvemsg;
411: if ($Apache::lonhomework::scantronmode) {
412: $solvemsg='correct_by_scantron';
413: } else {
414: $solvemsg='correct_by_student';
415: }
416: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
417: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
418: }
419: if ( $award eq 'ASSIGNED_SCORE') {
420: $Apache::lonhomework::results{"resource.$id.tries"} =
421: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
422: $Apache::lonhomework::results{"resource.$id.solved"} =
423: $solvemsg;
424: my $numawards=scalar(@Apache::inputtags::responselist);
425: &Apache::lonxml::debug("Whaaa!");
426: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
427: foreach my $res (@Apache::inputtags::responselist) {
428: $Apache::lonhomework::results{"resource.$id.awarded"}+=
429: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
430: }
431: if ($numawards > 0) {
432: $Apache::lonhomework::results{"resource.$id.awarded"}/=
433: $numawards;
434: }
435: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
436: $Apache::lonhomework::results{"resource.$id.tries"} =
437: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
438: $Apache::lonhomework::results{"resource.$id.solved"} =
439: $solvemsg;
440: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
441: } elsif ( $award eq 'INCORRECT' ) {
442: $Apache::lonhomework::results{"resource.$id.tries"} =
443: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
444: $Apache::lonhomework::results{"resource.$id.solved"} =
445: 'incorrect_attempted'
446: } elsif ( $award eq 'SUBMITTED' ) {
447: $Apache::lonhomework::results{"resource.$id.tries"} =
448: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
449: $Apache::lonhomework::results{"resource.$id.solved"} =
450: 'ungraded_attempted';
451: } elsif ( $award eq 'DRAFT' ) {
452: $Apache::lonhomework::results{"resource.$id.solved"} = '';
453: } elsif ( $award eq 'NO_RESPONSE' ) {
454: #no real response so delete any data that got stored
455: &removealldata($id);
456: return '';
457: } else {
458: $Apache::lonhomework::results{"resource.$id.solved"} =
459: 'incorrect_attempted';
460: if (lc($Apache::lonhomework::problemstatus) eq 'no') {
461: $Apache::lonhomework::results{"resource.$id.tries"} =
462: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
463: }
464: }
465:
466: # check if this was a previous submission if it was delete the
467: # unneeded data and update the previously_used attribute
468: if ( $previously_used eq 'PREVIOUSLY_USED') {
469: if (lc($Apache::lonhomework::problemstatus) ne 'no') {
470: delete($Apache::lonhomework::results{"resource.$id.tries"});
471: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
472: }
473: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
474: #delete all data as they student didn't do anything, but save
475: #the list of collaborators.
476: &removealldata($id);
477: #and since they didn't do anything we were never here
478: return '';
479: } else {
480: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
481: }
482: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
483: /^correct/ ) {
484: #delete all data as they student already has it correct
485: &removealldata($id);
486: #and since they didn't do anything we were never here
487: return '';
488: }
489: $Apache::lonhomework::results{"resource.$id.award"} = $award;
490: }
491:
492: sub grade {
493: my ($target) = @_;
494: my $id = $Apache::inputtags::part;
495: my $response='';
496: if ( defined $ENV{'form.submitted'}) {
497: my @awards = ();
498: foreach $response (@Apache::inputtags::responselist) {
499: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
500: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
501: &Apache::lonxml::debug("keeping $value from $response for $id");
502: push (@awards,$value);
503: }
504: my $finalaward = &finalizeawards(@awards);
505: my $previously_used;
506: if ( $#Apache::inputtags::previous eq $#awards ) {
507: my $match=0;
508: my @matches;
509: foreach my $versionar (@Apache::inputtags::previous_version) {
510: foreach my $version (@$versionar) {
511: $matches[$version]++;
512: }
513: }
514: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
515: if ($match) {
516: $previously_used = 'PREVIOUSLY_LAST';
517: foreach my $value (@Apache::inputtags::previous) {
518: if ($value eq 'PREVIOUSLY_USED' ) {
519: $previously_used = $value;
520: last;
521: }
522: }
523: }
524: }
525: &Apache::lonxml::debug("final award $finalaward, $previously_used");
526: &setgradedata($finalaward,$id,$previously_used);
527: }
528: return '';
529: }
530:
531: sub gradestatus {
532: my ($id,$target) = @_;
533: my $showbutton = 1;
534: my $message = '';
535: my $latemessage = '';
536: my $trystr='';
537: my $button='';
538: my $previousmsg='';
539:
540: my $status = $Apache::inputtags::status['-1'];
541: &Apache::lonxml::debug("gradestatus has :$status:");
542: if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE') {
543: my $award = $Apache::lonhomework::history{"resource.$id.award"};
544: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
545: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
546: &Apache::lonxml::debug("Found Award |$award|$solved|");
547: if ( $award ne '' ) {
548: &Apache::lonxml::debug('Getting message');
549: ($showbutton,$message,$previousmsg) =
550: &decideoutput($award,$solved,$previous,$target);
551: if ($target eq 'tex') {
552: $message=' '.$message.' ';
553: } else {
554: $message="<td bgcolor=\"#aaffaa\">$message</td>";
555: if ($previousmsg) {
556: $previousmsg="<td bgcolor=\"#ffaaaa\">$previousmsg</td>";
557: }
558: }
559: }
560: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
561: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
562: &Apache::lonxml::debug("got maxtries of :$maxtries:");
563: if ( $tries eq '' ) { $tries = '0'; }
564: if ( $maxtries eq '' ) { $maxtries = '2'; }
565: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
566: if ( $showbutton ) {
567: if ($target eq 'tex') {
568: if ($ENV{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam') {
569: $trystr = ' {\vskip 1 mm \small \textit{Tries} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
570: } else {
571: $trystr = '\vskip 0 mm ';
572: }
573: } else {
574: $trystr = "<td>Tries $tries/$maxtries</td>";
575: }
576: }
577: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
578: if ( $showbutton ) {
579: if ($target ne 'tex') {
580: $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
581: }
582: }
583: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
584: #last submissions was after due date
585: if ($target eq 'tex') {
586: $latemessage=' The last submission was after the Due Date ';
587: } else {
588: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
589: }
590: }
591: }
592: my $output= $previousmsg.$latemessage.$message.$trystr;
593: if ($output =~ /^\s*$/) {
594: return $button;
595: } else {
596: if ($target eq 'tex') {
597: return $button.' \vskip 0 mm '.$output.' ';
598: } else {
599: return $button.'<table><tr>'.$output.'</tr></table>';
600: }
601: }
602: }
603: 1;
604: __END__
605:
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