1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.143 2004/06/03 14:28:39 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: 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 = 16; }
126: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
127: $result='';
128: if ($addchars) {
129: $result.=&addchars('HWVAL_'.$resid,$addchars);
130: }
131: push @Apache::lonxml::htmlareafields,'HWVAL_'.$resid;
132: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
133: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
134: if ($oldresponse ne '') {
135:
136: #get rid of any startup text if the user has already responded
137: &Apache::lonxml::get_all_text("/textfield",$parser);
138: }
139: } else {
140: #right or wrong don't show it
141: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
142: $result='';
143: #get rid of any startup text
144: &Apache::lonxml::get_all_text("/textfield",$parser);
145: }
146: } elsif ($target eq 'grade') {
147: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser);
148: if ($seedtext eq $ENV{'form.HWVAL_'.$resid}) {
149: # if the seed text is still there it wasn't a real submission
150: $ENV{'form.HWVAL_'.$resid}='';
151: }
152: } elsif ($target eq 'edit') {
153: $result.=&Apache::edit::tag_start($target,$token);
154: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
155: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
156: $result.=&Apache::edit::text_arg
157: ('Click-On Texts (comma sep):','addchars',$token,10);
158: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser);
159: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
160: } elsif ($target eq 'modified') {
161: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
162: $safeeval,'rows','cols',
163: 'addchars');
164: if ($constructtag) {
165: $result = &Apache::edit::rebuild_tag($token);
166: } else {
167: $result=$token->[4];
168: }
169: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
170: } elsif ($target eq 'tex') {
171: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
172: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
173: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
174: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
175: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
176: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
177: } else {
178: my $TeXwidth=$width_of_box/80;
179: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
180: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
181: $result.='}}}\vskip 2 mm ';
182: }
183: }
184: return $result;
185: }
186:
187: sub end_textfield {
188: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
189: my $result;
190: if ($target eq 'web') {
191: $Apache::lonxml::evaluate++;
192: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
193: return "</textarea>";
194: }
195: } elsif ($target eq 'edit') {
196: $result=&Apache::edit::end_table();
197: }
198: &end_input;
199: return $result;
200: }
201:
202: sub start_textline {
203: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
204: my $result = "";
205: if ($target eq 'web') {
206: $Apache::lonxml::evaluate--;
207: my $partid=$Apache::inputtags::part;
208: my $id=$Apache::inputtags::response[-1];
209: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
210: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
211: my $maxlength;
212: if ($size eq '') { $size=20; } else {
213: if ($size < 20) { $maxlength=$size; }
214: }
215: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
216: if ($Apache::lonhomework::type ne 'exam') {
217: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
218: $result='';
219: if ($addchars) {
220: $result.=&addchars('HWVAL_'.$id,$addchars);
221: }
222: $result.= '<input type="text" name="HWVAL_'.$id.'" value="'.
223: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
224: }
225: } else {
226: #right or wrong don't show what was last typed in.
227: #$result='<i>'.$oldresponse.'</i>';
228: $result='';
229: }
230: } elsif ($target eq 'edit') {
231: $result=&Apache::edit::tag_start($target,$token);
232: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
233: &Apache::edit::text_arg
234: ('Click-On Texts (comma sep):','addchars',$token,10)."</td></tr>";
235: $result.=&Apache::edit::end_table;
236: } elsif ($target eq 'modified') {
237: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size','addchars');
238: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
239: } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
240: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
241: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
242: $result='\framebox['.$size.'][s]{\tiny\strut}';
243: }
244: return $result;
245: }
246:
247: sub end_textline {
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 start_hiddenline {
255: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
256: my $result = "";
257: if ($target eq 'web') {
258: $Apache::lonxml::evaluate--;
259: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
260: my $partid=$Apache::inputtags::part;
261: my $id=$Apache::inputtags::response[-1];
262: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
263: if ($Apache::lonhomework::type ne 'exam') {
264: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
265: $oldresponse.'" />';
266: }
267: }
268: } elsif ($target eq 'edit') {
269: $result=&Apache::edit::tag_start($target,$token);
270: $result.=&Apache::edit::end_table;
271: }
272: return $result;
273: }
274:
275: sub end_hiddenline {
276: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
277: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
278: elsif ($target eq 'edit') { return ('','no'); }
279: return "";
280: }
281:
282: sub checkstatus {
283: my ($value,$awardref,$msgref)=@_;
284: for (my $i=0;$i<=$#$awardref;$i++) {
285: if ($$awardref[$i] eq $value) {
286: return ($$awardref[$i],$$msgref[$i]);
287: }
288: }
289: return(undef,undef);
290: }
291:
292: sub finalizeawards {
293: my ($awardref,$msgref)=@_;
294: my $result=undef;
295: my $award;
296: my $msg;
297: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
298: if ($result eq '' ) {
299: my $blankcount;
300: foreach $award (@$awardref) {
301: if ($award eq '') {
302: $result='MISSING_ANSWER';
303: $blankcount++;
304: }
305: }
306: if ($blankcount == ($#$awardref + 1)) { $result = 'NO_RESPONSE'; }
307: }
308: if (defined($result)) { return ($result,$msg); }
309: foreach my $possibleaward ('MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
310: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
311: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
312: 'UNIT_FAIL', 'NO_UNIT',
313: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
314: 'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT',
315: 'MISORDERED_RANK', 'INVALID_FILETYPE',
316: 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
317: 'APPROX_ANS', 'EXACT_ANS') {
318: ($result,$msg)=&checkstatus($possibleaward,$awardref,$msgref);
319: if (defined($result)) { return ($result,$msg); }
320: }
321: return ('ERROR',undef);
322: }
323:
324: sub decideoutput {
325: my ($award,$awardmsg,$solved,$previous,$target)=@_;
326: my $message='';
327: my $button=0;
328: my $previousmsg;
329: my $bgcolor='orange';
330: my %possiblecolors =
331: ( 'correct' => '#aaffaa',
332: 'charged_try' => '#ffaaaa',
333: 'not_charged_try' => '#ffffaa',
334: 'no_message' => '#fffff',
335: );
336: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
337:
338: if ($solved =~ /^correct/) {
339: if ($award eq 'ASSIGNED_SCORE') {
340: $message = &mt("A score has been assigned.");
341: } else {
342: if ($target eq 'tex') {
343: $message = '\textbf{'.&mt('You are correct.').'}';
344: } else {
345: $message = "<b>".&mt('You are correct.')."</b>";
346: }
347: unless ($ENV{'course.'.
348: $ENV{'request.course.id'}.
349: '.disable_receipt_display'} eq 'yes') {
350: $message.=(($target eq 'web')?'<br />':' ').
351: &mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part).
352: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
353: }
354: }
355: $bgcolor=$possiblecolors{'correct'};
356: $button=0;
357: $previousmsg='';
358: } elsif ($solved =~ /^excused/) {
359: if ($target eq 'tex') {
360: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
361: } else {
362: $message = "<b>".&mt('You are excused from the problem.')."</b>";
363: }
364: $bgcolor=$possiblecolors{'charged_try'};
365: $button=0;
366: $previousmsg='';
367: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
368: if ($solved =~ /^incorrect/ || $solved eq '') {
369: $message = &mt("Incorrect");
370: $bgcolor=$possiblecolors{'charged_try'};
371: $button=1;
372: } else {
373: $message = "<b>".&mt('You are correct.')."</b>";
374: unless ($ENV{'course.'.
375: $ENV{'request.course.id'}.
376: '.disable_receipt_display'} eq 'yes') {
377: $message.=(($target eq 'web')?'<br />':' ').
378: 'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part).
379: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
380: }
381: $bgcolor=$possiblecolors{'correct'};
382: $button=0;
383: $previousmsg='';
384: }
385: } elsif ($award eq 'NO_RESPONSE') {
386: $message = '';
387: $bgcolor=$possiblecolors{'no_feedback'};
388: $button=1;
389: } elsif ($award eq 'MISSING_ANSWER') {
390: $message = &mt('Some items were not submitted.');
391: $bgcolor=$possiblecolors{'not_charged_try'};
392: $button = 1;
393: } elsif ($award eq 'ERROR') {
394: $message = &mt('An error occured while grading your answer.');
395: $bgcolor=$possiblecolors{'not_charged_try'};
396: $button = 1;
397: } elsif ($award eq 'TOO_LONG') {
398: $message = &mt("The submitted answer was too long.");
399: $bgcolor=$possiblecolors{'not_charged_try'};
400: $button=1;
401: } elsif ($award eq 'WANTED_NUMERIC') {
402: $message = &mt("This question expects a numeric answer.");
403: $bgcolor=$possiblecolors{'not_charged_try'};
404: $button=1;
405: } elsif ($award eq 'MISORDERED_RANK') {
406: $message = &mt('You have provided an invalid ranking');
407: if ($target ne 'tex') {
408: $message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems').'.';
409: }
410: $bgcolor=$possiblecolors{'not_charged_try'};
411: $button=1;
412: } elsif ($award eq 'INVALID_FILETYPE') {
413: $message = &mt('The filetype extension of the file you uploaded is not allowed.');
414: $bgcolor=$possiblecolors{'not_charged_try'};
415: $button=1;
416: } elsif ($award eq 'SIG_FAIL') {
417: $message = &mt("Significant figures are incorrect, you provided [_1] significant figures while [_2] to [_3] were expected. Submission not graded.",(split(/:/,$awardmsg)));
418: $bgcolor=$possiblecolors{'not_charged_try'};
419: $button=1;
420: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
421: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
422: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
423: $bgcolor=$possiblecolors{'not_charged_try'};
424: $button=1;
425: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
426: $message = &mt('Unable to interpret units. Computer reads units as "[_1]"','<tt>'.$awardmsg.'</tt>');
427: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
428: $bgcolor=$possiblecolors{'not_charged_try'};
429: $button=1;
430: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
431: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.','<tt>'.$awardmsg.'</tt>');
432: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
433: $bgcolor=$possiblecolors{'not_charged_try'};
434: $button=1;
435: } elsif ($award eq 'UNIT_NOTNEEDED') {
436: $message = &mt('Only a number required. Computer reads units of "[_1]"','<tt>'.$awardmsg.'</tt>');
437: $bgcolor=$possiblecolors{'not_charged_try'};
438: $button=1;
439: } elsif ($award eq 'NO_UNIT') {
440: $message = &mt("Units required");
441: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
442: $bgcolor=$possiblecolors{'not_charged_try'};
443: $button=1;
444: } elsif ($award eq 'BAD_FORMULA') {
445: $message = &mt("Unable to understand formula");
446: $bgcolor=$possiblecolors{'not_charged_try'};
447: $button=1;
448: } elsif ($award eq 'INCORRECT') {
449: $message = &mt("Incorrect");
450: $bgcolor=$possiblecolors{'charged_try'};
451: $button=1;
452: } elsif ($award eq 'SUBMITTED') {
453: $message = &mt("Your submission has been recorded.");
454: $bgcolor=$possiblecolors{'correct'};
455: $button=1;
456: } elsif ($award eq 'DRAFT') {
457: $message = "A draft copy has been saved.";
458: $bgcolor=$possiblecolors{'not_charged_try'};
459: $button=1;
460: } elsif ($award eq 'ASSIGNED_SCORE') {
461: $message = "A score has been assigned.";
462: $bgcolor=$possiblecolors{'correct'};
463: $button=0;
464: } else {
465: $message = &mt("Unknown message").": $award";
466: $button=1;
467: }
468: if (lc($Apache::lonhomework::problemstatus) eq 'no' &&
469: $Apache::inputtags::status[-1] ne 'SHOW_ANSWER') {
470: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
471: $bgcolor=$possiblecolors{'correct'};
472: $button=1;
473: }
474: return ($button,$bgcolor,$message,$previousmsg);
475: }
476:
477: sub removealldata {
478: my ($id)=@_;
479: foreach my $key (keys(%Apache::lonhomework::results)) {
480: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
481: &Apache::lonxml::debug("Removing $key");
482: delete($Apache::lonhomework::results{$key});
483: }
484: }
485: }
486:
487: sub hidealldata {
488: my ($id)=@_;
489: foreach my $key (keys(%Apache::lonhomework::results)) {
490: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
491: &Apache::lonxml::debug("Hidding $key");
492: my $newkey=$key;
493: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
494: $Apache::lonhomework::results{$newkey}=
495: $Apache::lonhomework::results{$key};
496: delete($Apache::lonhomework::results{$key});
497: }
498: }
499: }
500:
501: sub setgradedata {
502: my ($award,$msg,$id,$previously_used) = @_;
503: # if the student already has it correct, don't modify the status
504: if ($Apache::lonhomework::scantronmode && defined($ENV{'form.CODE'})) {
505: $Apache::lonhomework::results{"resource.CODE"}=$ENV{'form.CODE'};
506: }
507: if (!$Apache::lonhomework::scantronmode &&
508: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
509: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
510: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
511: return '';
512: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
513: /^correct/ || $Apache::lonhomework::scantronmode ||
514: lc($Apache::lonhomework::problemstatus) eq 'no') {
515: #handle assignment of tries and solved status
516: my $solvemsg;
517: if ($Apache::lonhomework::scantronmode) {
518: $solvemsg='correct_by_scantron';
519: } else {
520: $solvemsg='correct_by_student';
521: }
522: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
523: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
524: }
525: if ( $award eq 'ASSIGNED_SCORE') {
526: $Apache::lonhomework::results{"resource.$id.tries"} =
527: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
528: $Apache::lonhomework::results{"resource.$id.solved"} =
529: $solvemsg;
530: my $numawards=scalar(@Apache::inputtags::response);
531: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
532: foreach my $res (@Apache::inputtags::response) {
533: $Apache::lonhomework::results{"resource.$id.awarded"}+=
534: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
535: }
536: if ($numawards > 0) {
537: $Apache::lonhomework::results{"resource.$id.awarded"}/=
538: $numawards;
539: }
540: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
541: $Apache::lonhomework::results{"resource.$id.tries"} =
542: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
543: $Apache::lonhomework::results{"resource.$id.solved"} =
544: $solvemsg;
545: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
546: } elsif ( $award eq 'INCORRECT' ) {
547: $Apache::lonhomework::results{"resource.$id.tries"} =
548: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
549: if (lc($Apache::lonhomework::problemstatus) eq 'no') {
550: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
551: }
552: $Apache::lonhomework::results{"resource.$id.solved"} =
553: 'incorrect_attempted';
554: } elsif ( $award eq 'SUBMITTED' ) {
555: $Apache::lonhomework::results{"resource.$id.tries"} =
556: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
557: $Apache::lonhomework::results{"resource.$id.solved"} =
558: 'ungraded_attempted';
559: } elsif ( $award eq 'DRAFT' ) {
560: $Apache::lonhomework::results{"resource.$id.solved"} = '';
561: } elsif ( $award eq 'NO_RESPONSE' ) {
562: #no real response so delete any data that got stored
563: &removealldata($id);
564: return '';
565: } else {
566: $Apache::lonhomework::results{"resource.$id.solved"} =
567: 'incorrect_attempted';
568: if (lc($Apache::lonhomework::problemstatus) eq 'no') {
569: $Apache::lonhomework::results{"resource.$id.tries"} =
570: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
571: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
572: }
573: }
574: if (defined($msg)) {
575: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
576: }
577: # did either of the overall awards chage? If so ignore the
578: # previous check
579: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
580: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
581: ($Apache::lonhomework::results{"resource.$id.solved"} eq
582: $Apache::lonhomework::history{"resource.$id.solved"})) {
583: # check if this was a previous submission if it was delete the
584: # unneeded data and update the previously_used attribute
585: if ( $previously_used eq 'PREVIOUSLY_USED') {
586: if (lc($Apache::lonhomework::problemstatus) ne 'no') {
587: delete($Apache::lonhomework::results{"resource.$id.tries"});
588: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
589: }
590: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
591: #delete all data as they student didn't do anything, but save
592: #the list of collaborators.
593: &removealldata($id);
594: #and since they didn't do anything we were never here
595: return '';
596: } else {
597: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
598: }
599: }
600: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
601: /^correct/ ) {
602: #delete all data as they student already has it correct
603: &removealldata($id);
604: #and since they didn't do anything we were never here
605: return '';
606: }
607: $Apache::lonhomework::results{"resource.$id.award"} = $award;
608: }
609:
610: sub grade {
611: my ($target) = @_;
612: my $id = $Apache::inputtags::part;
613: my $response='';
614: if ( defined $ENV{'form.submitted'}) {
615: my (@awards,@msgs);
616: foreach $response (@Apache::inputtags::response) {
617: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
618: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
619: &Apache::lonxml::debug("keeping $value from $response for $id");
620: push (@awards,$value);
621: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
622: &Apache::lonxml::debug("got message $value from $response for $id");
623: push (@msgs,$value);
624: }
625: my ($finalaward,$msg) = &finalizeawards(\@awards,\@msgs);
626: my $previously_used;
627: if ( $#Apache::inputtags::previous eq $#awards ) {
628: my $match=0;
629: my @matches;
630: foreach my $versionar (@Apache::inputtags::previous_version) {
631: foreach my $version (@$versionar) {
632: $matches[$version]++;
633: }
634: }
635: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
636: if ($match) {
637: $previously_used = 'PREVIOUSLY_LAST';
638: foreach my $value (@Apache::inputtags::previous) {
639: if ($value eq 'PREVIOUSLY_USED' ) {
640: $previously_used = $value;
641: last;
642: }
643: }
644: }
645: }
646: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
647: &setgradedata($finalaward,$msg,$id,$previously_used);
648: }
649: return '';
650: }
651:
652: sub gradestatus {
653: my ($id,$target) = @_;
654: my $showbutton = 1;
655: my $bgcolor = '';
656: my $message = '';
657: my $latemessage = '';
658: my $trystr='';
659: my $button='';
660: my $previousmsg='';
661:
662: my $status = $Apache::inputtags::status['-1'];
663: &Apache::lonxml::debug("gradestatus has :$status:");
664: if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE' &&
665: $status ne 'INVALID_ACCESS') {
666: my $award = $Apache::lonhomework::history{"resource.$id.award"};
667: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
668: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
669: my $awardmsg = $Apache::lonhomework::history{"resource.$id.awardmsg"};
670: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
671: if ( $award ne '' || $solved ne '') {
672: &Apache::lonxml::debug('Getting message');
673: ($showbutton,$bgcolor,$message,$previousmsg) =
674: &decideoutput($award,$awardmsg,$solved,$previous,$target);
675: if ($target eq 'tex') {
676: $message='\vskip 2 mm '.$message.' ';
677: } else {
678: $message="<td bgcolor=\"$bgcolor\">$message</td>";
679: if ($previousmsg) {
680: $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
681: }
682: }
683: }
684: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
685: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
686: &Apache::lonxml::debug("got maxtries of :$maxtries:");
687: #if tries are set to negative turn off the Tries/Button and messages
688: if (defined($maxtries) && $maxtries < 0) { return ''; }
689: if ( $tries eq '' ) { $tries = '0'; }
690: if ( $maxtries eq '' ) { $maxtries = '2'; }
691: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
692: my $tries_text=&mt('Tries');
693: if ( $Apache::lonhomework::type eq 'survey') { $tries_text=&mt('Submissions'); }
694: if ( $showbutton ) {
695: if ($target eq 'tex') {
696: if ($ENV{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam') {
697: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
698: } else {
699: $trystr = '\vskip 0 mm ';
700: }
701: } else {
702: $trystr = "<td><nobr>".$tries_text." $tries";
703: if($ENV{'request.state'} ne 'construct') {
704: $trystr.="/$maxtries";
705: } else {
706: if (defined($Apache::inputtags::params{'maxtries'})) {
707: $trystr.="/".$Apache::inputtags::params{'maxtries'};
708: }
709: }
710: $trystr.="</nobr></td>";
711: }
712: }
713: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
714: if ( $showbutton ) {
715: if ($target ne 'tex') {
716: $button = '<input type="submit" name="submit" value="'.&mt('Submit Answer').'" />';
717: }
718: }
719: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
720: #last submissions was after due date
721: if ($target eq 'tex') {
722: $latemessage=' The last submission was after the Due Date ';
723: } else {
724: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
725: }
726: }
727: }
728: my $output= $previousmsg.$latemessage.$message.$trystr;
729: if ($output =~ /^\s*$/) {
730: return $button;
731: } else {
732: if ($target eq 'tex') {
733: return $button.' \vskip 0 mm '.$output.' ';
734: } else {
735: return '<table><tr><td>'.$button.'</td>'.$output.'</tr></table>';
736: }
737: }
738: }
739: 1;
740: __END__
741:
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