1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.135 2004/03/12 21:14:54 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: package Apache::inputtags;
29: use HTML::Entities();
30: use strict;
31: use Apache::loncommon;
32: use Apache::lonlocal;
33:
34: BEGIN {
35: &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline'));
36: }
37:
38:
39: sub initialize_inputtags {
40: # list of current input ids
41: @Apache::inputtags::input=();
42: # list of all input ids seen in this problem
43: @Apache::inputtags::inputlist=();
44: # list of all current response ids
45: @Apache::inputtags::response=();
46: # list of all response ids seen in this problem
47: @Apache::inputtags::responselist=();
48: # list of whether or not a specific response was previously used
49: @Apache::inputtags::previous=();
50: # submission it was used in
51: @Apache::inputtags::previous_version=();
52: # id of current part, 0 means that no part is current
53: # (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: # just used to note whether we have seen a response that isn't in a part
67: $Apache::inputtags::response_with_no_part=0;
68: }
69:
70: sub check_for_duplicate_ids {
71: my %check;
72: foreach my $id (@Apache::inputtags::partlist,
73: @Apache::inputtags::responselist,
74: @Apache::inputtags::importlist) {
75: $check{$id}++;
76: }
77: my @duplicates;
78: foreach my $id (sort(keys(%check))) {
79: if ($check{$id} > 1) {
80: push(@duplicates,$id);
81: }
82: }
83: if (@duplicates) {
84: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
85: }
86: }
87:
88: sub start_input {
89: my ($parstack,$safeeval)=@_;
90: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
91: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
92: push (@Apache::inputtags::input,$id);
93: push (@Apache::inputtags::inputlist,$id);
94: return $id;
95: }
96:
97: sub end_input {
98: pop @Apache::inputtags::input;
99: return '';
100: }
101:
102: sub addchars {
103: my ($fieldid,$addchars)=@_;
104: my $output='';
105: foreach (split(/\,/,$addchars)) {
106: $output.='<a href="javascript:void(document.forms.lonhomework.'.
107: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
108: }
109: return $output;
110: }
111:
112: sub start_textfield {
113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
114: my $result = "";
115: my $id = &start_input($parstack,$safeeval);
116: my $resid=$Apache::inputtags::response[-1];
117: if ($target eq 'web') {
118: $Apache::lonxml::evaluate--;
119: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
120: my $partid=$Apache::inputtags::part;
121: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"});
122: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
123: if ( $cols eq '') { $cols = 80; }
124: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
125: if ( $rows eq '') { $rows = 10; }
126: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
127: $result='';
128: if ($addchars) {
129: $result.=&addchars('HWVAL_'.$resid,$addchars);
130: }
131: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" '.
132: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
133: if ($oldresponse ne '') {
134: #get rid of any startup text if the user has already responded
135: &Apache::lonxml::get_all_text("/textfield",$parser);
136: }
137: } else {
138: #right or wrong don't show it
139: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
140: $result='';
141: #get rid of any startup text
142: &Apache::lonxml::get_all_text("/textfield",$parser);
143: }
144: } elsif ($target eq 'grade') {
145: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser);
146: if ($seedtext eq $ENV{'form.HWVAL_'.$resid}) {
147: # if the seed text is still there it wasn't a real submission
148: $ENV{'form.HWVAL_'.$resid}='';
149: }
150: } elsif ($target eq 'edit') {
151: $result.=&Apache::edit::tag_start($target,$token);
152: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
153: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
154: $result.=&Apache::edit::text_arg
155: ('Click-On Texts (comma sep):','addchars',$token,10);
156: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser);
157: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
158: } elsif ($target eq 'modified') {
159: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
160: $safeeval,'rows','cols',
161: 'addchars');
162: if ($constructtag) {
163: $result = &Apache::edit::rebuild_tag($token);
164: } else {
165: $result=$token->[4];
166: }
167: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
168: } elsif ($target eq 'tex') {
169: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
170: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
171: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
172: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
173: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
174: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
175: } else {
176: my $TeXwidth=$width_of_box/80;
177: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
178: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
179: $result.='}}}\vskip 2 mm ';
180: }
181: }
182: return $result;
183: }
184:
185: sub end_textfield {
186: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
187: my $result;
188: if ($target eq 'web') {
189: $Apache::lonxml::evaluate++;
190: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
191: return "</textarea>";
192: }
193: } elsif ($target eq 'edit') {
194: $result=&Apache::edit::end_table();
195: }
196: &end_input;
197: return $result;
198: }
199:
200: sub start_textline {
201: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
202: my $result = "";
203: if ($target eq 'web') {
204: $Apache::lonxml::evaluate--;
205: my $partid=$Apache::inputtags::part;
206: my $id=$Apache::inputtags::response[-1];
207: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
208: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
209: my $maxlength;
210: if ($size eq '') { $size=20; } else {
211: if ($size < 20) { $maxlength=$size; }
212: }
213: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
214: if ($Apache::lonhomework::type ne 'exam') {
215: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
216: $result='';
217: if ($addchars) {
218: $result.=&addchars('HWVAL_'.$id,$addchars);
219: }
220: $result.= '<input type="text" name="HWVAL_'.$id.'" value="'.
221: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
222: }
223: } else {
224: #right or wrong don't show what was last typed in.
225: #$result='<i>'.$oldresponse.'</i>';
226: $result='';
227: }
228: } elsif ($target eq 'edit') {
229: $result=&Apache::edit::tag_start($target,$token);
230: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
231: &Apache::edit::text_arg
232: ('Click-On Texts (comma sep):','addchars',$token,10)."</td></tr>";
233: $result.=&Apache::edit::end_table;
234: } elsif ($target eq 'modified') {
235: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size','addchars');
236: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
237: } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
238: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
239: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
240: $result='\framebox['.$size.'][s]{\tiny\strut}';
241: }
242: return $result;
243: }
244:
245: sub end_textline {
246: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
247: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
248: elsif ($target eq 'edit') { return ('','no'); }
249: return "";
250: }
251:
252: sub start_hiddenline {
253: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
254: my $result = "";
255: if ($target eq 'web') {
256: $Apache::lonxml::evaluate--;
257: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
258: my $partid=$Apache::inputtags::part;
259: my $id=$Apache::inputtags::response[-1];
260: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
261: if ($Apache::lonhomework::type ne 'exam') {
262: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
263: $oldresponse.'" />';
264: }
265: }
266: } elsif ($target eq 'edit') {
267: $result=&Apache::edit::tag_start($target,$token);
268: $result.=&Apache::edit::end_table;
269: }
270: return $result;
271: }
272:
273: sub end_hiddenline {
274: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
275: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
276: elsif ($target eq 'edit') { return ('','no'); }
277: return "";
278: }
279:
280: sub finalizeawards {
281: my $result='';
282: my $award;
283: if ($#_ == '-1') { $result = "NO_RESPONSE"; }
284: if ($result eq '' ) {
285: my $blankcount;
286: foreach $award (@_) {
287: if ($award eq '') {
288: $result='MISSING_ANSWER';
289: $blankcount++;
290: }
291: }
292: if ($blankcount == ($#_ + 1)) { $result = 'NO_RESPONSE'; }
293: }
294: if ($result eq '' ) {
295: foreach $award (@_) { if ($award eq 'MISSING_ANSWER') {$result='MISSING_ANSWER'; last;}}
296: }
297: if ($result eq '' ) {
298: foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
299: }
300: if ($result eq '' ) {
301: foreach $award (@_) { if ($award eq 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
302: }
303: if ($result eq '' ) {
304: foreach $award (@_) { if ($award eq 'TOO_LONG') {$result='TOO_LONG'; last;}}
305: }
306: if ($result eq '' ) {
307: foreach $award (@_) {
308: if ($award eq 'UNIT_FAIL' ||
309: $award eq 'NO_UNIT' ||
310: $award eq 'UNIT_NOTNEEDED') {
311: $result=$award; last;
312: }
313: }
314: }
315: if ($result eq '' ) {
316: foreach $award (@_) {
317: if ($award eq 'WANTED_NUMERIC' ||
318: $award eq 'BAD_FORMULA') {$result=$award; last;}
319: }
320: }
321: if ($result eq '' ) {
322: foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
323: }
324: if ($result eq '' ) {
325: foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
326: }
327: if ($result eq '' ) {
328: foreach $award (@_) { if ($award eq 'MISORDERED_RANK') {$result=$award; last;} }
329: }
330: if ($result eq '' ) {
331: foreach $award (@_) { if ($award eq 'INVALID_FILETYPE') {$result=$award; last;} }
332: }
333: if ($result eq '' ) {
334: foreach $award (@_) { if ($award eq 'DRAFT') {$result=$award; last;} }
335: }
336: if ($result eq '' ) {
337: foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award; last;} }
338: }
339: if ($result eq '' ) {
340: foreach $award (@_) { if ($award eq 'ASSIGNED_SCORE') {$result=$award; last;} }
341: }
342: if ($result eq '' ) {
343: foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
344: }
345: if ($result eq '' ) { $result='EXACT_ANS'; }
346: return $result
347: }
348:
349: sub decideoutput {
350: my ($award,$solved,$previous,$target)=@_;
351: my $message='';
352: my $button=0;
353: my $previousmsg;
354: my $bgcolor='orange';
355: my %possiblecolors =
356: ( 'correct' => '#aaffaa',
357: 'charged_try' => '#ffaaaa',
358: 'not_charged_try' => '#ffffaa',
359: 'no_message' => '#fffff',
360: );
361: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
362:
363: if ($solved =~ /^correct/) {
364: if ($award eq 'ASSIGNED_SCORE') {
365: $message = &mt("A score has been assigned.");
366: } else {
367: if ($target eq 'tex') {
368: $message = '\textbf{'.&mt('You are correct.').'}';
369: } else {
370: $message = "<b>".&mt('You are correct.')."</b>";
371: }
372: unless ($ENV{'course.'.
373: $ENV{'request.course.id'}.
374: '.disable_receipt_display'} eq 'yes') {
375: $message.=(($target eq 'web')?'<br />':' ').
376: &mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part).
377: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
378: }
379: }
380: $bgcolor=$possiblecolors{'correct'};
381: $button=0;
382: $previousmsg='';
383: } elsif ($solved =~ /^excused/) {
384: if ($target eq 'tex') {
385: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
386: } else {
387: $message = "<b>".&mt('You are excused from the problem.')."</b>";
388: }
389: $bgcolor=$possiblecolors{'charged_try'};
390: $button=0;
391: $previousmsg='';
392: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
393: if ($solved =~ /^incorrect/ || $solved eq '') {
394: $message = &mt("Incorrect");
395: $bgcolor=$possiblecolors{'charged_try'};
396: $button=1;
397: } else {
398: $message = "<b>".&mt('You are correct.')."</b>";
399: unless ($ENV{'course.'.
400: $ENV{'request.course.id'}.
401: '.disable_receipt_display'} eq 'yes') {
402: $message.=(($target eq 'web')?'<br />':' ').
403: 'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part).
404: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
405: }
406: $bgcolor=$possiblecolors{'correct'};
407: $button=0;
408: $previousmsg='';
409: }
410: } elsif ($award eq 'NO_RESPONSE') {
411: $message = '';
412: $bgcolor=$possiblecolors{'no_feedback'};
413: $button=1;
414: } elsif ($award eq 'MISSING_ANSWER') {
415: $message = &mt('Some items were not submitted.');
416: $bgcolor=$possiblecolors{'not_charged_try'};
417: $button = 1;
418: } elsif ($award eq 'ERROR') {
419: $message = &mt('An error occured while grading your answer.');
420: $bgcolor=$possiblecolors{'not_charged_try'};
421: $button = 1;
422: } elsif ($award eq 'TOO_LONG') {
423: $message = &mt("The submitted answer was too long.");
424: $bgcolor=$possiblecolors{'not_charged_try'};
425: $button=1;
426: } elsif ($award eq 'WANTED_NUMERIC') {
427: $message = &mt("This question expects a numeric answer.");
428: $bgcolor=$possiblecolors{'not_charged_try'};
429: $button=1;
430: } elsif ($award eq 'MISORDERED_RANK') {
431: $message = &mt('You have provided an invalid ranking');
432: if ($target ne 'tex') {
433: $message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems').'.';
434: }
435: $bgcolor=$possiblecolors{'not_charged_try'};
436: $button=1;
437: } elsif ($award eq 'INVALID_FILETYPE') {
438: $message = &mt('The filetype extension of the file you uploaded is not allowed.');
439: $bgcolor=$possiblecolors{'not_charged_try'};
440: $button=1;
441: } elsif ($award eq 'SIG_FAIL') {
442: $message = &mt("Significant figures are incorrect, submission was not graded.");# you provided %s significant figures";
443: $bgcolor=$possiblecolors{'not_charged_try'};
444: $button=1;
445: } elsif ($award eq 'UNIT_FAIL') {
446: $message = &mt("Units incorrect.");
447: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} #Computer reads units as %s";
448: $bgcolor=$possiblecolors{'not_charged_try'};
449: $button=1;
450: } elsif ($award eq 'UNIT_NOTNEEDED') {
451: $message = &mt("Only a number required.");# Computer reads units of %s";
452: $bgcolor=$possiblecolors{'not_charged_try'};
453: $button=1;
454: } elsif ($award eq 'NO_UNIT') {
455: $message = &mt("Units required");
456: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
457: $bgcolor=$possiblecolors{'not_charged_try'};
458: $button=1;
459: } elsif ($award eq 'BAD_FORMULA') {
460: $message = &mt("Unable to understand formula");
461: $bgcolor=$possiblecolors{'not_charged_try'};
462: $button=1;
463: } elsif ($award eq 'INCORRECT') {
464: $message = &mt("Incorrect");
465: $bgcolor=$possiblecolors{'charged_try'};
466: $button=1;
467: } elsif ($award eq 'SUBMITTED') {
468: $message = &mt("Your submission has been recorded.");
469: $bgcolor=$possiblecolors{'correct'};
470: $button=1;
471: } elsif ($award eq 'DRAFT') {
472: $message = "A draft copy has been saved.";
473: $bgcolor=$possiblecolors{'not_charged_try'};
474: $button=1;
475: } elsif ($award eq 'ASSIGNED_SCORE') {
476: $message = "A score has been assigned.";
477: $bgcolor=$possiblecolors{'correct'};
478: $button=0;
479: } else {
480: $message = &mt("Unknown message").": $award";
481: $button=1;
482: }
483: if (lc($Apache::lonhomework::problemstatus) eq 'no' &&
484: $Apache::inputtags::status[-1] ne 'SHOW_ANSWER') {
485: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
486: $bgcolor=$possiblecolors{'correct'};
487: $button=1;
488: }
489: return ($button,$bgcolor,$message,$previousmsg);
490: }
491:
492: sub removealldata {
493: my ($id)=@_;
494: foreach my $key (keys(%Apache::lonhomework::results)) {
495: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
496: &Apache::lonxml::debug("Removing $key");
497: delete($Apache::lonhomework::results{$key});
498: }
499: }
500: }
501:
502: sub setgradedata {
503: my ($award,$id,$previously_used) = @_;
504: # if the student already has it correct, don't modify the status
505: if (!$Apache::lonhomework::scantronmode &&
506: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
507: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
508: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
509: return '';
510: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
511: /^correct/ || $Apache::lonhomework::scantronmode ||
512: lc($Apache::lonhomework::problemstatus) eq 'no') {
513: #handle assignment of tries and solved status
514: my $solvemsg;
515: if ($Apache::lonhomework::scantronmode) {
516: $solvemsg='correct_by_scantron';
517: } else {
518: $solvemsg='correct_by_student';
519: }
520: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
521: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
522: }
523: if ( $award eq 'ASSIGNED_SCORE') {
524: $Apache::lonhomework::results{"resource.$id.tries"} =
525: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
526: $Apache::lonhomework::results{"resource.$id.solved"} =
527: $solvemsg;
528: my $numawards=scalar(@Apache::inputtags::response);
529: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
530: foreach my $res (@Apache::inputtags::response) {
531: $Apache::lonhomework::results{"resource.$id.awarded"}+=
532: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
533: }
534: if ($numawards > 0) {
535: $Apache::lonhomework::results{"resource.$id.awarded"}/=
536: $numawards;
537: }
538: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
539: $Apache::lonhomework::results{"resource.$id.tries"} =
540: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
541: $Apache::lonhomework::results{"resource.$id.solved"} =
542: $solvemsg;
543: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
544: } elsif ( $award eq 'INCORRECT' ) {
545: $Apache::lonhomework::results{"resource.$id.tries"} =
546: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
547: if (lc($Apache::lonhomework::problemstatus) eq 'no') {
548: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
549: }
550: $Apache::lonhomework::results{"resource.$id.solved"} =
551: 'incorrect_attempted';
552: } elsif ( $award eq 'SUBMITTED' ) {
553: $Apache::lonhomework::results{"resource.$id.tries"} =
554: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
555: $Apache::lonhomework::results{"resource.$id.solved"} =
556: 'ungraded_attempted';
557: } elsif ( $award eq 'DRAFT' ) {
558: $Apache::lonhomework::results{"resource.$id.solved"} = '';
559: } elsif ( $award eq 'NO_RESPONSE' ) {
560: #no real response so delete any data that got stored
561: &removealldata($id);
562: return '';
563: } else {
564: $Apache::lonhomework::results{"resource.$id.solved"} =
565: 'incorrect_attempted';
566: if (lc($Apache::lonhomework::problemstatus) eq 'no') {
567: $Apache::lonhomework::results{"resource.$id.tries"} =
568: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
569: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
570: }
571: }
572:
573: # did either of the overall awards chage? If so ignore the
574: # previous check
575: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
576: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
577: ($Apache::lonhomework::results{"resource.$id.solved"} eq
578: $Apache::lonhomework::history{"resource.$id.solved"})) {
579: # check if this was a previous submission if it was delete the
580: # unneeded data and update the previously_used attribute
581: if ( $previously_used eq 'PREVIOUSLY_USED') {
582: if (lc($Apache::lonhomework::problemstatus) ne 'no') {
583: delete($Apache::lonhomework::results{"resource.$id.tries"});
584: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
585: }
586: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
587: #delete all data as they student didn't do anything, but save
588: #the list of collaborators.
589: &removealldata($id);
590: #and since they didn't do anything we were never here
591: return '';
592: } else {
593: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
594: }
595: }
596: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
597: /^correct/ ) {
598: #delete all data as they student already has it correct
599: &removealldata($id);
600: #and since they didn't do anything we were never here
601: return '';
602: }
603: $Apache::lonhomework::results{"resource.$id.award"} = $award;
604: }
605:
606: sub grade {
607: my ($target) = @_;
608: my $id = $Apache::inputtags::part;
609: my $response='';
610: if ( defined $ENV{'form.submitted'}) {
611: my @awards = ();
612: foreach $response (@Apache::inputtags::response) {
613: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
614: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
615: &Apache::lonxml::debug("keeping $value from $response for $id");
616: push (@awards,$value);
617: }
618: my $finalaward = &finalizeawards(@awards);
619: my $previously_used;
620: if ( $#Apache::inputtags::previous eq $#awards ) {
621: my $match=0;
622: my @matches;
623: foreach my $versionar (@Apache::inputtags::previous_version) {
624: foreach my $version (@$versionar) {
625: $matches[$version]++;
626: }
627: }
628: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
629: if ($match) {
630: $previously_used = 'PREVIOUSLY_LAST';
631: foreach my $value (@Apache::inputtags::previous) {
632: if ($value eq 'PREVIOUSLY_USED' ) {
633: $previously_used = $value;
634: last;
635: }
636: }
637: }
638: }
639: &Apache::lonxml::debug("final award $finalaward, $previously_used");
640: &setgradedata($finalaward,$id,$previously_used);
641: }
642: return '';
643: }
644:
645: sub gradestatus {
646: my ($id,$target) = @_;
647: my $showbutton = 1;
648: my $bgcolor = '';
649: my $message = '';
650: my $latemessage = '';
651: my $trystr='';
652: my $button='';
653: my $previousmsg='';
654:
655: my $status = $Apache::inputtags::status['-1'];
656: &Apache::lonxml::debug("gradestatus has :$status:");
657: if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE' &&
658: $status ne 'INVALID_ACCESS') {
659: my $award = $Apache::lonhomework::history{"resource.$id.award"};
660: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
661: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
662: &Apache::lonxml::debug("Found Award |$award|$solved|");
663: if ( $award ne '' || $solved ne '') {
664: &Apache::lonxml::debug('Getting message');
665: ($showbutton,$bgcolor,$message,$previousmsg) =
666: &decideoutput($award,$solved,$previous,$target);
667: if ($target eq 'tex') {
668: $message='\vskip 2 mm '.$message.' ';
669: } else {
670: $message="<td bgcolor=\"$bgcolor\">$message</td>";
671: if ($previousmsg) {
672: $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
673: }
674: }
675: }
676: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
677: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
678: &Apache::lonxml::debug("got maxtries of :$maxtries:");
679: #if tries are set to negative turn off the Tries/Button and messages
680: if (defined($maxtries) && $maxtries < 0) { return ''; }
681: if ( $tries eq '' ) { $tries = '0'; }
682: if ( $maxtries eq '' ) { $maxtries = '2'; }
683: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
684: my $tries_text=&mt('Tries');
685: if ( $Apache::lonhomework::type eq 'survey') { $tries_text=&mt('Submissions'); }
686: if ( $showbutton ) {
687: if ($target eq 'tex') {
688: if ($ENV{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam') {
689: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
690: } else {
691: $trystr = '\vskip 0 mm ';
692: }
693: } else {
694: $trystr = "<td>".$tries_text." $tries";
695: if($ENV{'request.state'} ne 'construct') {
696: $trystr.="/$maxtries";
697: } else {
698: if (defined($Apache::inputtags::params{'maxtries'})) {
699: $trystr.="/".$Apache::inputtags::params{'maxtries'};
700: }
701: }
702: $trystr.="</td>";
703: }
704: }
705: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
706: if ( $showbutton ) {
707: if ($target ne 'tex') {
708: $button = '<input type="submit" name="submit" value="'.&mt('Submit Answer').'" />';
709: }
710: }
711: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
712: #last submissions was after due date
713: if ($target eq 'tex') {
714: $latemessage=' The last submission was after the Due Date ';
715: } else {
716: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
717: }
718: }
719: }
720: my $output= $previousmsg.$latemessage.$message.$trystr;
721: if ($output =~ /^\s*$/) {
722: return $button;
723: } else {
724: if ($target eq 'tex') {
725: return $button.' \vskip 0 mm '.$output.' ';
726: } else {
727: return '<table><tr><td>'.$button.'</td>'.$output.'</tr></table>';
728: }
729: }
730: }
731: 1;
732: __END__
733:
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