1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.106 2003/06/23 16:43:40 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 all part ids seen
56: @Apache::inputtags::partlist=();
57: # list of problem date statuses, the first element is for <problem>
58: # if there is a second element it is for the current <part>
59: @Apache::inputtags::status=();
60: # hash of defined params for the current response
61: %Apache::inputtags::params=();
62: # list of all ids, for <import>, these get join()ed and prepended
63: @Apache::inputtags::import=();
64: # list of all import ids seen
65: @Apache::inputtags::importlist=();
66: }
67:
68: sub check_for_duplicate_ids {
69: my %check;
70: foreach my $id (@Apache::inputtags::partlist,
71: @Apache::inputtags::responselist,
72: @Apache::inputtags::importlist) {
73: $check{$id}++;
74: }
75: my @duplicates;
76: foreach my $id (sort(keys(%check))) {
77: if ($check{$id} > 1) {
78: push(@duplicates,$id);
79: }
80: }
81: if (@duplicates) {
82: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
83: }
84: }
85:
86: sub start_input {
87: my ($parstack,$safeeval)=@_;
88: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
89: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
90: push (@Apache::inputtags::input,$id);
91: push (@Apache::inputtags::inputlist,$id);
92: return $id;
93: }
94:
95: sub end_input {
96: pop @Apache::inputtags::input;
97: return '';
98: }
99:
100: sub start_textfield {
101: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
102: my $result = "";
103: my $id = &start_input($parstack,$safeeval);
104: my $resid=$Apache::inputtags::response[-1];
105: if ($target eq 'web') {
106: $Apache::lonxml::evaluate--;
107: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
108: my $partid=$Apache::inputtags::part;
109: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"});
110: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
111: if ( $cols eq '') { $cols = 80; }
112: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
113: if ( $rows eq '') { $rows = 10; }
114: $result= '<textarea name="HWVAL_'.$resid.'" '.
115: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
116: if ($oldresponse ne '') {
117: #get rid of any startup text if the user has already responded
118: &Apache::lonxml::get_all_text("/textfield",$parser);
119: }
120: } else {
121: #right or wrong don't show it
122: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
123: $result='';
124: #get rid of any startup text
125: &Apache::lonxml::get_all_text("/textfield",$parser);
126: }
127: } elsif ($target eq 'grade') {
128: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser);
129: if ($seedtext eq $ENV{'form.HWVAL_'.$resid}) {
130: # if the seed text is still there it wasn't a real submission
131: $ENV{'form.HWVAL_'.$resid}='';
132: }
133: } elsif ($target eq 'edit') {
134: $result.=&Apache::edit::tag_start($target,$token);
135: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
136: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
137: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser);
138: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
139: } elsif ($target eq 'modified') {
140: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
141: $safeeval,'rows','cols');
142: if ($constructtag) {
143: $result = &Apache::edit::rebuild_tag($token);
144: } else {
145: $result=$token->[4];
146: }
147: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser);
148: $result.=&Apache::edit::modifiedfield();
149: } elsif ($target eq 'tex') {
150: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
151: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
152: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
153: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
154: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
155: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
156: } else {
157: my $TeXwidth=$width_of_box/80;
158: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
159: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
160: $result.='}}}\vskip 2 mm ';
161: }
162: }
163: return $result;
164: }
165:
166: sub end_textfield {
167: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
168: my $result;
169: if ($target eq 'web') {
170: $Apache::lonxml::evaluate++;
171: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
172: return "</textarea>";
173: }
174: } elsif ($target eq 'edit') {
175: $result=&Apache::edit::end_table();
176: }
177: &end_input;
178: return $result;
179: }
180:
181: sub start_textline {
182: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
183: my $result = "";
184: if ($target eq 'web') {
185: $Apache::lonxml::evaluate--;
186: my $partid=$Apache::inputtags::part;
187: my $id=$Apache::inputtags::response[-1];
188: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
189: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
190: my $maxlength;
191: if ($size eq '') { $size=20; } else {
192: if ($size < 20) { $maxlength=$size; }
193: }
194: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
195: if ($Apache::lonhomework::type ne 'exam') {
196: $result= '<input type="text" name="HWVAL_'.$id.'" value="'.
197: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
198: }
199: } else {
200: #right or wrong don't show what was last typed in.
201: #$result='<i>'.$oldresponse.'</i>';
202: $result='';
203: }
204: } elsif ($target eq 'edit') {
205: $result=&Apache::edit::tag_start($target,$token);
206: $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
207: $result.=&Apache::edit::end_table;
208: } elsif ($target eq 'modified') {
209: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
210: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
211: } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
212: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
213: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
214: $result='\framebox['.$size.'][s]{\tiny\strut}';
215: }
216: return $result;
217: }
218:
219: sub end_textline {
220: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
221: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
222: elsif ($target eq 'edit') { return ('','no'); }
223: return "";
224: }
225:
226: sub start_hiddenline {
227: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
228: my $result = "";
229: if ($target eq 'web') {
230: $Apache::lonxml::evaluate--;
231: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
232: my $partid=$Apache::inputtags::part;
233: my $id=$Apache::inputtags::response[-1];
234: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
235: if ($Apache::lonhomework::type ne 'exam') {
236: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
237: $oldresponse.'" />';
238: }
239: }
240: } elsif ($target eq 'edit') {
241: $result=&Apache::edit::tag_start($target,$token);
242: $result.=&Apache::edit::end_table;
243: }
244: return $result;
245: }
246:
247: sub end_hiddenline {
248: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
249: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
250: elsif ($target eq 'edit') { return ('','no'); }
251: return "";
252: }
253:
254: sub finalizeawards {
255: my $result='';
256: my $award;
257: if ($#_ == '-1') { $result = "NO_RESPONSE"; }
258: if ($result eq '' ) {
259: my $blankcount;
260: foreach $award (@_) {
261: if ($award eq '') {
262: $result='MISSING_ANSWER';
263: $blankcount++;
264: }
265: }
266: if ($blankcount == ($#_ + 1)) { $result = 'NO_RESPONSE'; }
267: }
268: if ($result eq '' ) {
269: foreach $award (@_) { if ($award eq 'MISSING_ANSWER') {$result='MISSING_ANSWER'; last;}}
270: }
271: if ($result eq '' ) {
272: foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
273: }
274: if ($result eq '' ) {
275: foreach $award (@_) { if ($award eq 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
276: }
277: if ($result eq '' ) {
278: foreach $award (@_) { if ($award eq 'TOO_LONG') {$result='TOO_LONG'; last;}}
279: }
280: if ($result eq '' ) {
281: foreach $award (@_) {
282: if ($award eq 'UNIT_FAIL' ||
283: $award eq 'NO_UNIT' ||
284: $award eq 'UNIT_NOTNEEDED') {
285: $result=$award; last;
286: }
287: }
288: }
289: if ($result eq '' ) {
290: foreach $award (@_) {
291: if ($award eq 'WANTED_NUMERIC' ||
292: $award eq 'BAD_FORMULA') {$result=$award; last;}
293: }
294: }
295: if ($result eq '' ) {
296: foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
297: }
298: if ($result eq '' ) {
299: foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
300: }
301: if ($result eq '' ) {
302: foreach $award (@_) { if ($award eq 'MISORDERED_RANK') {$result=$award; last;} }
303: }
304: if ($result eq '' ) {
305: foreach $award (@_) { if ($award eq 'INVALID_FILETYPE') {$result=$award; last;} }
306: }
307: if ($result eq '' ) {
308: foreach $award (@_) { if ($award eq 'DRAFT') {$result=$award; last;} }
309: }
310: if ($result eq '' ) {
311: foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award; last;} }
312: }
313: if ($result eq '' ) {
314: foreach $award (@_) { if ($award eq 'ASSIGNED_SCORE') {$result=$award; last;} }
315: }
316: if ($result eq '' ) {
317: foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
318: }
319: if ($result eq '' ) { $result='EXACT_ANS'; }
320: return $result
321: }
322:
323: sub decideoutput {
324: my ($award,$solved,$previous,$target)=@_;
325: my $message='';
326: my $button=0;
327: my $previousmsg;
328: my $bgcolor='orange';
329: my %possiblecolors =
330: ( 'correct' => '#aaffaa',
331: 'charged_try' => '#ffaaaa',
332: 'not_charged_try' => '#ffffaa',
333: 'no_message' => '#fffff',
334: );
335: if ($previous) { $previousmsg='You have entered that answer before'; }
336:
337: if ($solved =~ /^correct/) {
338: if ($award eq 'ASSIGNED_SCORE') {
339: $message = "A score has been assigned.";
340: } else {
341: if ($target eq 'tex') {
342: $message = '\textbf{You are correct}.';
343: } else {
344: $message = "<b>You are correct.</b>";
345: }
346: $message.=' Your receipt is '.&Apache::lonnet::receipt;
347: }
348: $bgcolor=$possiblecolors{'correct'};
349: $button=0;
350: $previousmsg='';
351: } elsif ($solved =~ /^excused/) {
352: $message = "<b>You are excused from the problem.</b>";
353: $bgcolor=$possiblecolors{'charged_try'};
354: $button=0;
355: $previousmsg='';
356: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
357: if ($solved =~ /^incorrect/ || $solved eq '') {
358: $message = "Incorrect";
359: $bgcolor=$possiblecolors{'charged_try'};
360: $button=1;
361: } else {
362: $message = "<b>You are correct.</b> Your receipt is ".
363: &Apache::lonnet::receipt;
364: $bgcolor=$possiblecolors{'correct'};
365: $button=0;
366: $previousmsg='';
367: }
368: } elsif ($award eq 'NO_RESPONSE') {
369: $message = '';
370: $bgcolor=$possiblecolors{'no_feedback'};
371: $button=1;
372: } elsif ($award eq 'MISSING_ANSWER') {
373: $message = 'Some parts were not submitted';
374: $bgcolor=$possiblecolors{'not_charged_try'};
375: $button = 1;
376: } elsif ($award eq 'ERROR') {
377: $message = 'An error occured while trying to grade answer.';
378: $bgcolor=$possiblecolors{'not_charged_try'};
379: $button = 1;
380: } elsif ($award eq 'TOO_LONG') {
381: $message = "The submitted answer was too long.";
382: $bgcolor=$possiblecolors{'not_charged_try'};
383: $button=1;
384: } elsif ($award eq 'WANTED_NUMERIC') {
385: $message = "This question expects a numeric answer";
386: $bgcolor=$possiblecolors{'not_charged_try'};
387: $button=1;
388: } elsif ($award eq 'MISORDERED_RANK') {
389: $message = 'You have provided an invalid ranking, please refer to '.
390: &Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems').'.';
391: $bgcolor=$possiblecolors{'not_charged_try'};
392: $button=1;
393: } elsif ($award eq 'INVALID_FILETYPE') {
394: $message = 'The filetype extension of the file you uploaded is not allowed.';
395: $bgcolor=$possiblecolors{'not_charged_try'};
396: $button=1;
397: } elsif ($award eq 'SIG_FAIL') {
398: $message = "Please adjust significant figures.";# you provided %s significant figures";
399: $bgcolor=$possiblecolors{'not_charged_try'};
400: $button=1;
401: } elsif ($award eq 'UNIT_FAIL') {
402: $message = "Units incorrect. ".
403: &Apache::loncommon::help_open_topic('Physical_Units'); #Computer reads units as %s";
404: $bgcolor=$possiblecolors{'not_charged_try'};
405: $button=1;
406: } elsif ($award eq 'UNIT_NOTNEEDED') {
407: $message = "Only a number required.";# Computer reads units of %s";
408: $bgcolor=$possiblecolors{'not_charged_try'};
409: $button=1;
410: } elsif ($award eq 'NO_UNIT') {
411: $message = "Units required".
412: &Apache::loncommon::help_open_topic('Physical_Units');
413: $bgcolor=$possiblecolors{'not_charged_try'};
414: $button=1;
415: } elsif ($award eq 'BAD_FORMULA') {
416: $message = "Unable to understand formula";
417: $bgcolor=$possiblecolors{'not_charged_try'};
418: $button=1;
419: } elsif ($award eq 'INCORRECT') {
420: $message = "Incorrect";
421: $bgcolor=$possiblecolors{'charged_try'};
422: $button=1;
423: } elsif ($award eq 'SUBMITTED') {
424: $message = "Your submission has been recorded.";
425: $bgcolor=$possiblecolors{'correct'};
426: $button=1;
427: } elsif ($award eq 'DRAFT') {
428: $message = "A draft copy has been saved.";
429: $bgcolor=$possiblecolors{'not_charged_try'};
430: $button=1;
431: } elsif ($award eq 'ASSIGNED_SCORE') {
432: $message = "A score has been assigned.";
433: $bgcolor=$possiblecolors{'correct'};
434: $button=0;
435: } else {
436: $message = "Unknown message: $award";
437: $button=1;
438: }
439: if (lc($Apache::lonhomework::problemstatus) eq 'no') {
440: $message = "Answer Submitted";
441: $bgcolor=$possiblecolors{'correct'};
442: $button=1;
443: }
444: return ($button,$bgcolor,$message,$previousmsg);
445: }
446:
447: sub removealldata {
448: my ($id)=@_;
449: foreach my $key (keys(%Apache::lonhomework::results)) {
450: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
451: &Apache::lonxml::debug("Removing $key");
452: delete($Apache::lonhomework::results{$key});
453: }
454: }
455: }
456:
457: sub setgradedata {
458: my ($award,$id,$previously_used) = @_;
459: # if the student already has it correct, don't modify the status
460: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
461: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
462: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
463: return '';
464: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
465: /^correct/ || $Apache::lonhomework::scantronmode ||
466: lc($Apache::lonhomework::problemstatus) eq 'no') {
467: #handle assignment of tries and solved status
468: my $solvemsg;
469: if ($Apache::lonhomework::scantronmode) {
470: $solvemsg='correct_by_scantron';
471: } else {
472: $solvemsg='correct_by_student';
473: }
474: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
475: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
476: }
477: if ( $award eq 'ASSIGNED_SCORE') {
478: $Apache::lonhomework::results{"resource.$id.tries"} =
479: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
480: $Apache::lonhomework::results{"resource.$id.solved"} =
481: $solvemsg;
482: my $numawards=scalar(@Apache::inputtags::response);
483: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
484: foreach my $res (@Apache::inputtags::response) {
485: $Apache::lonhomework::results{"resource.$id.awarded"}+=
486: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
487: }
488: if ($numawards > 0) {
489: $Apache::lonhomework::results{"resource.$id.awarded"}/=
490: $numawards;
491: }
492: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
493: $Apache::lonhomework::results{"resource.$id.tries"} =
494: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
495: $Apache::lonhomework::results{"resource.$id.solved"} =
496: $solvemsg;
497: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
498: } elsif ( $award eq 'INCORRECT' ) {
499: $Apache::lonhomework::results{"resource.$id.tries"} =
500: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
501: $Apache::lonhomework::results{"resource.$id.solved"} =
502: 'incorrect_attempted'
503: } elsif ( $award eq 'SUBMITTED' ) {
504: $Apache::lonhomework::results{"resource.$id.tries"} =
505: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
506: $Apache::lonhomework::results{"resource.$id.solved"} =
507: 'ungraded_attempted';
508: } elsif ( $award eq 'DRAFT' ) {
509: $Apache::lonhomework::results{"resource.$id.solved"} = '';
510: } elsif ( $award eq 'NO_RESPONSE' ) {
511: #no real response so delete any data that got stored
512: &removealldata($id);
513: return '';
514: } else {
515: $Apache::lonhomework::results{"resource.$id.solved"} =
516: 'incorrect_attempted';
517: if (lc($Apache::lonhomework::problemstatus) eq 'no') {
518: $Apache::lonhomework::results{"resource.$id.tries"} =
519: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
520: }
521: }
522:
523: # check if this was a previous submission if it was delete the
524: # unneeded data and update the previously_used attribute
525: if ( $previously_used eq 'PREVIOUSLY_USED') {
526: if (lc($Apache::lonhomework::problemstatus) ne 'no') {
527: delete($Apache::lonhomework::results{"resource.$id.tries"});
528: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
529: }
530: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
531: #delete all data as they student didn't do anything, but save
532: #the list of collaborators.
533: &removealldata($id);
534: #and since they didn't do anything we were never here
535: return '';
536: } else {
537: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
538: }
539: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
540: /^correct/ ) {
541: #delete all data as they student already has it correct
542: &removealldata($id);
543: #and since they didn't do anything we were never here
544: return '';
545: }
546: $Apache::lonhomework::results{"resource.$id.award"} = $award;
547: }
548:
549: sub grade {
550: my ($target) = @_;
551: my $id = $Apache::inputtags::part;
552: my $response='';
553: if ( defined $ENV{'form.submitted'}) {
554: my @awards = ();
555: foreach $response (@Apache::inputtags::response) {
556: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
557: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
558: &Apache::lonxml::debug("keeping $value from $response for $id");
559: push (@awards,$value);
560: }
561: my $finalaward = &finalizeawards(@awards);
562: my $previously_used;
563: if ( $#Apache::inputtags::previous eq $#awards ) {
564: my $match=0;
565: my @matches;
566: foreach my $versionar (@Apache::inputtags::previous_version) {
567: foreach my $version (@$versionar) {
568: $matches[$version]++;
569: }
570: }
571: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
572: if ($match) {
573: $previously_used = 'PREVIOUSLY_LAST';
574: foreach my $value (@Apache::inputtags::previous) {
575: if ($value eq 'PREVIOUSLY_USED' ) {
576: $previously_used = $value;
577: last;
578: }
579: }
580: }
581: }
582: &Apache::lonxml::debug("final award $finalaward, $previously_used");
583: &setgradedata($finalaward,$id,$previously_used);
584: }
585: return '';
586: }
587:
588: sub gradestatus {
589: my ($id,$target) = @_;
590: my $showbutton = 1;
591: my $bgcolor = '';
592: my $message = '';
593: my $latemessage = '';
594: my $trystr='';
595: my $button='';
596: my $previousmsg='';
597:
598: my $status = $Apache::inputtags::status['-1'];
599: &Apache::lonxml::debug("gradestatus has :$status:");
600: if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE') {
601: my $award = $Apache::lonhomework::history{"resource.$id.award"};
602: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
603: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
604: &Apache::lonxml::debug("Found Award |$award|$solved|");
605: if ( $award ne '' ) {
606: &Apache::lonxml::debug('Getting message');
607: ($showbutton,$bgcolor,$message,$previousmsg) =
608: &decideoutput($award,$solved,$previous,$target);
609: if ($target eq 'tex') {
610: $message=' '.$message.' ';
611: } else {
612: $message="<td bgcolor=\"$bgcolor\">$message</td>";
613: if ($previousmsg) {
614: $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
615: }
616: }
617: }
618: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
619: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
620: &Apache::lonxml::debug("got maxtries of :$maxtries:");
621: if ( $tries eq '' ) { $tries = '0'; }
622: if ( $maxtries eq '' ) { $maxtries = '2'; }
623: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
624: if ( $showbutton ) {
625: if ($target eq 'tex') {
626: if ($ENV{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam') {
627: $trystr = ' {\vskip 1 mm \small \textit{Tries} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
628: } else {
629: $trystr = '\vskip 0 mm ';
630: }
631: } else {
632: $trystr = "<td>Tries $tries/$maxtries</td>";
633: }
634: }
635: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
636: if ( $showbutton ) {
637: if ($target ne 'tex') {
638: $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
639: }
640: }
641: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
642: #last submissions was after due date
643: if ($target eq 'tex') {
644: $latemessage=' The last submission was after the Due Date ';
645: } else {
646: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
647: }
648: }
649: }
650: my $output= $previousmsg.$latemessage.$message.$trystr;
651: if ($output =~ /^\s*$/) {
652: return $button;
653: } else {
654: if ($target eq 'tex') {
655: return $button.' \vskip 0 mm '.$output.' ';
656: } else {
657: return $button.'<table><tr>'.$output.'</tr></table>';
658: }
659: }
660: }
661: 1;
662: __END__
663:
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