1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.110 2003/07/17 20:05:59 www 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: $message = "<b>You are correct.</b>";
345: }
346: unless ($ENV{'course.'.
347: $ENV{'request.course.id'}.
348: '.disable_receipt_display'} eq 'yes') {
349: $message.=(($target eq 'web')?'<br />':' ').
350: 'Your receipt is '.&Apache::lonnet::receipt().
351: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
352: }
353: }
354: $bgcolor=$possiblecolors{'correct'};
355: $button=0;
356: $previousmsg='';
357: } elsif ($solved =~ /^excused/) {
358: $message = "<b>You are excused from the problem.</b>";
359: $bgcolor=$possiblecolors{'charged_try'};
360: $button=0;
361: $previousmsg='';
362: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
363: if ($solved =~ /^incorrect/ || $solved eq '') {
364: $message = "Incorrect";
365: $bgcolor=$possiblecolors{'charged_try'};
366: $button=1;
367: } else {
368: $message = "<b>You are correct.</b>";
369: unless ($ENV{'course.'.
370: $ENV{'request.course.id'}.
371: '.disable_receipt_display'} eq 'yes') {
372: $message.=(($target eq 'web')?'<br />':' ').
373: 'Your receipt is '.&Apache::lonnet::receipt().
374: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
375: }
376: $bgcolor=$possiblecolors{'correct'};
377: $button=0;
378: $previousmsg='';
379: }
380: } elsif ($award eq 'NO_RESPONSE') {
381: $message = '';
382: $bgcolor=$possiblecolors{'no_feedback'};
383: $button=1;
384: } elsif ($award eq 'MISSING_ANSWER') {
385: $message = 'Some parts were not submitted';
386: $bgcolor=$possiblecolors{'not_charged_try'};
387: $button = 1;
388: } elsif ($award eq 'ERROR') {
389: $message = 'An error occured while grading your answer.';
390: $bgcolor=$possiblecolors{'not_charged_try'};
391: $button = 1;
392: } elsif ($award eq 'TOO_LONG') {
393: $message = "The submitted answer was too long.";
394: $bgcolor=$possiblecolors{'not_charged_try'};
395: $button=1;
396: } elsif ($award eq 'WANTED_NUMERIC') {
397: $message = "This question expects a numeric answer";
398: $bgcolor=$possiblecolors{'not_charged_try'};
399: $button=1;
400: } elsif ($award eq 'MISORDERED_RANK') {
401: $message = 'You have provided an invalid ranking, please refer to '.
402: &Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems').'.';
403: $bgcolor=$possiblecolors{'not_charged_try'};
404: $button=1;
405: } elsif ($award eq 'INVALID_FILETYPE') {
406: $message = 'The filetype extension of the file you uploaded is not allowed.';
407: $bgcolor=$possiblecolors{'not_charged_try'};
408: $button=1;
409: } elsif ($award eq 'SIG_FAIL') {
410: $message = "Please adjust significant figures.";# you provided %s significant figures";
411: $bgcolor=$possiblecolors{'not_charged_try'};
412: $button=1;
413: } elsif ($award eq 'UNIT_FAIL') {
414: $message = "Units incorrect. ".
415: &Apache::loncommon::help_open_topic('Physical_Units'); #Computer reads units as %s";
416: $bgcolor=$possiblecolors{'not_charged_try'};
417: $button=1;
418: } elsif ($award eq 'UNIT_NOTNEEDED') {
419: $message = "Only a number required.";# Computer reads units of %s";
420: $bgcolor=$possiblecolors{'not_charged_try'};
421: $button=1;
422: } elsif ($award eq 'NO_UNIT') {
423: $message = "Units required".
424: &Apache::loncommon::help_open_topic('Physical_Units');
425: $bgcolor=$possiblecolors{'not_charged_try'};
426: $button=1;
427: } elsif ($award eq 'BAD_FORMULA') {
428: $message = "Unable to understand formula";
429: $bgcolor=$possiblecolors{'not_charged_try'};
430: $button=1;
431: } elsif ($award eq 'INCORRECT') {
432: $message = "Incorrect";
433: $bgcolor=$possiblecolors{'charged_try'};
434: $button=1;
435: } elsif ($award eq 'SUBMITTED') {
436: $message = "Your submission has been recorded.";
437: $bgcolor=$possiblecolors{'correct'};
438: $button=1;
439: } elsif ($award eq 'DRAFT') {
440: $message = "A draft copy has been saved.";
441: $bgcolor=$possiblecolors{'not_charged_try'};
442: $button=1;
443: } elsif ($award eq 'ASSIGNED_SCORE') {
444: $message = "A score has been assigned.";
445: $bgcolor=$possiblecolors{'correct'};
446: $button=0;
447: } else {
448: $message = "Unknown message: $award";
449: $button=1;
450: }
451: if (lc($Apache::lonhomework::problemstatus) eq 'no') {
452: $message = "Answer Submitted";
453: $bgcolor=$possiblecolors{'correct'};
454: $button=1;
455: }
456: return ($button,$bgcolor,$message,$previousmsg);
457: }
458:
459: sub removealldata {
460: my ($id)=@_;
461: foreach my $key (keys(%Apache::lonhomework::results)) {
462: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
463: &Apache::lonxml::debug("Removing $key");
464: delete($Apache::lonhomework::results{$key});
465: }
466: }
467: }
468:
469: sub setgradedata {
470: my ($award,$id,$previously_used) = @_;
471: # if the student already has it correct, don't modify the status
472: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
473: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
474: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
475: return '';
476: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
477: /^correct/ || $Apache::lonhomework::scantronmode ||
478: lc($Apache::lonhomework::problemstatus) eq 'no') {
479: #handle assignment of tries and solved status
480: my $solvemsg;
481: if ($Apache::lonhomework::scantronmode) {
482: $solvemsg='correct_by_scantron';
483: } else {
484: $solvemsg='correct_by_student';
485: }
486: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
487: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
488: }
489: if ( $award eq 'ASSIGNED_SCORE') {
490: $Apache::lonhomework::results{"resource.$id.tries"} =
491: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
492: $Apache::lonhomework::results{"resource.$id.solved"} =
493: $solvemsg;
494: my $numawards=scalar(@Apache::inputtags::response);
495: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
496: foreach my $res (@Apache::inputtags::response) {
497: $Apache::lonhomework::results{"resource.$id.awarded"}+=
498: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
499: }
500: if ($numawards > 0) {
501: $Apache::lonhomework::results{"resource.$id.awarded"}/=
502: $numawards;
503: }
504: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
505: $Apache::lonhomework::results{"resource.$id.tries"} =
506: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
507: $Apache::lonhomework::results{"resource.$id.solved"} =
508: $solvemsg;
509: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
510: } elsif ( $award eq 'INCORRECT' ) {
511: $Apache::lonhomework::results{"resource.$id.tries"} =
512: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
513: $Apache::lonhomework::results{"resource.$id.solved"} =
514: 'incorrect_attempted'
515: } elsif ( $award eq 'SUBMITTED' ) {
516: $Apache::lonhomework::results{"resource.$id.tries"} =
517: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
518: $Apache::lonhomework::results{"resource.$id.solved"} =
519: 'ungraded_attempted';
520: } elsif ( $award eq 'DRAFT' ) {
521: $Apache::lonhomework::results{"resource.$id.solved"} = '';
522: } elsif ( $award eq 'NO_RESPONSE' ) {
523: #no real response so delete any data that got stored
524: &removealldata($id);
525: return '';
526: } else {
527: $Apache::lonhomework::results{"resource.$id.solved"} =
528: 'incorrect_attempted';
529: if (lc($Apache::lonhomework::problemstatus) eq 'no') {
530: $Apache::lonhomework::results{"resource.$id.tries"} =
531: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
532: }
533: }
534:
535: # check if this was a previous submission if it was delete the
536: # unneeded data and update the previously_used attribute
537: if ( $previously_used eq 'PREVIOUSLY_USED') {
538: if (lc($Apache::lonhomework::problemstatus) ne 'no') {
539: delete($Apache::lonhomework::results{"resource.$id.tries"});
540: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
541: }
542: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
543: #delete all data as they student didn't do anything, but save
544: #the list of collaborators.
545: &removealldata($id);
546: #and since they didn't do anything we were never here
547: return '';
548: } else {
549: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
550: }
551: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
552: /^correct/ ) {
553: #delete all data as they student already has it correct
554: &removealldata($id);
555: #and since they didn't do anything we were never here
556: return '';
557: }
558: $Apache::lonhomework::results{"resource.$id.award"} = $award;
559: }
560:
561: sub grade {
562: my ($target) = @_;
563: my $id = $Apache::inputtags::part;
564: my $response='';
565: if ( defined $ENV{'form.submitted'}) {
566: my @awards = ();
567: foreach $response (@Apache::inputtags::response) {
568: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
569: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
570: &Apache::lonxml::debug("keeping $value from $response for $id");
571: push (@awards,$value);
572: }
573: my $finalaward = &finalizeawards(@awards);
574: my $previously_used;
575: if ( $#Apache::inputtags::previous eq $#awards ) {
576: my $match=0;
577: my @matches;
578: foreach my $versionar (@Apache::inputtags::previous_version) {
579: foreach my $version (@$versionar) {
580: $matches[$version]++;
581: }
582: }
583: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
584: if ($match) {
585: $previously_used = 'PREVIOUSLY_LAST';
586: foreach my $value (@Apache::inputtags::previous) {
587: if ($value eq 'PREVIOUSLY_USED' ) {
588: $previously_used = $value;
589: last;
590: }
591: }
592: }
593: }
594: &Apache::lonxml::debug("final award $finalaward, $previously_used");
595: &setgradedata($finalaward,$id,$previously_used);
596: }
597: return '';
598: }
599:
600: sub gradestatus {
601: my ($id,$target) = @_;
602: my $showbutton = 1;
603: my $bgcolor = '';
604: my $message = '';
605: my $latemessage = '';
606: my $trystr='';
607: my $button='';
608: my $previousmsg='';
609:
610: my $status = $Apache::inputtags::status['-1'];
611: &Apache::lonxml::debug("gradestatus has :$status:");
612: if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE') {
613: my $award = $Apache::lonhomework::history{"resource.$id.award"};
614: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
615: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
616: &Apache::lonxml::debug("Found Award |$award|$solved|");
617: if ( $award ne '' ) {
618: &Apache::lonxml::debug('Getting message');
619: ($showbutton,$bgcolor,$message,$previousmsg) =
620: &decideoutput($award,$solved,$previous,$target);
621: if ($target eq 'tex') {
622: $message=' '.$message.' ';
623: } else {
624: $message="<td bgcolor=\"$bgcolor\">$message</td>";
625: if ($previousmsg) {
626: $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
627: }
628: }
629: }
630: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
631: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
632: &Apache::lonxml::debug("got maxtries of :$maxtries:");
633: if ( $tries eq '' ) { $tries = '0'; }
634: if ( $maxtries eq '' ) { $maxtries = '2'; }
635: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
636: if ( $showbutton ) {
637: if ($target eq 'tex') {
638: if ($ENV{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam') {
639: $trystr = ' {\vskip 1 mm \small \textit{Tries} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
640: } else {
641: $trystr = '\vskip 0 mm ';
642: }
643: } else {
644: $trystr = "<td>Tries $tries/$maxtries</td>";
645: }
646: }
647: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
648: if ( $showbutton ) {
649: if ($target ne 'tex') {
650: $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
651: }
652: }
653: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
654: #last submissions was after due date
655: if ($target eq 'tex') {
656: $latemessage=' The last submission was after the Due Date ';
657: } else {
658: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
659: }
660: }
661: }
662: my $output= $previousmsg.$latemessage.$message.$trystr;
663: if ($output =~ /^\s*$/) {
664: return $button;
665: } else {
666: if ($target eq 'tex') {
667: return $button.' \vskip 0 mm '.$output.' ';
668: } else {
669: return $button.'<table><tr>'.$output.'</tr></table>';
670: }
671: }
672: }
673: 1;
674: __END__
675:
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