1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.258 2009/05/23 18:11:06 riegler 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: =pod
29:
30: =head1 NAME
31:
32: Apache::inputtags
33:
34: =head1 SYNOPSIS
35:
36:
37:
38: This is part of the LearningOnline Network with CAPA project
39: described at http://www.lon-capa.org.
40:
41:
42: =head1 NOTABLE SUBROUTINES
43:
44: =over
45:
46: =item
47:
48: =back
49:
50: =cut
51:
52: package Apache::inputtags;
53: use HTML::Entities();
54: use strict;
55: use Apache::loncommon;
56: use Apache::lonlocal;
57: use Apache::lonnet;
58: use LONCAPA;
59:
60:
61: BEGIN {
62: &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline'));
63: }
64:
65: =pod
66:
67: =item initialize_inputtags()
68:
69: Initializes a set of global variables used during the parse of the problem.
70:
71: @Apache::inputtags::input - List of current input ids.
72: @Apache::inputtags::inputlist - List of all input ids seen this problem.
73: @Apache::inputtags::response - List of all current resopnse ids.
74: @Apache::inputtags::responselist - List of all response ids seen this
75: problem.
76: @Apache::inputtags::hint - List of all hint ids.
77: @Apache::inputtags::hintlist - List of all hint ids seen this problem.
78: @Apache::inputtags::previous - List describing if specific responseds
79: have been used
80: @Apache::inputtags::previous_version - Submission responses were used in.
81: $Apache::inputtags::part - Current part id (valid only in
82: <problem>)
83: 0 if not in a part.
84: @Apache::inputtags::partlist - List of part ids seen in the current
85: <problem>
86: @Apache::inputtags::status - List of problem statuses. First
87: element is the status of the <problem>
88: the remainder are for individual <part>s.
89: %Apache::inputtags::params - Hash of defined parameters for the
90: current response.
91: @Apache::inputtags::import - List of all ids for <import> thes get
92: join()ed and prepended.
93: @Apache::inputtags::importlist - List of all import ids seen.
94: $Apache::inputtags::response_with_no_part
95: - Flag set true if we have seen a response
96: that is not inside a <part>
97: %Apache::inputtags::answertxt - <*response> tags store correct
98: answer strings for display by <textline/>
99: in this hash.
100: %Apache::inputtags::submission_display
101: - <*response> tags store improved display
102: of submission strings for display by part
103: end.
104:
105: =cut
106:
107: sub initialize_inputtags {
108: @Apache::inputtags::input=();
109: @Apache::inputtags::inputlist=();
110: @Apache::inputtags::response=();
111: @Apache::inputtags::responselist=();
112: @Apache::inputtags::hint=();
113: @Apache::inputtags::hintlist=();
114: @Apache::inputtags::previous=();
115: @Apache::inputtags::previous_version=();
116: $Apache::inputtags::part='';
117: @Apache::inputtags::partlist=();
118: @Apache::inputtags::status=();
119: %Apache::inputtags::params=();
120: @Apache::inputtags::import=();
121: @Apache::inputtags::importlist=();
122: $Apache::inputtags::response_with_no_part=0;
123: %Apache::inputtags::answertxt=();
124: %Apache::inputtags::submission_display=();
125: }
126:
127: sub check_for_duplicate_ids {
128: my %check;
129: foreach my $id (@Apache::inputtags::partlist,
130: @Apache::inputtags::responselist,
131: @Apache::inputtags::hintlist,
132: @Apache::inputtags::importlist) {
133: $check{$id}++;
134: }
135: my @duplicates;
136: foreach my $id (sort(keys(%check))) {
137: if ($check{$id} > 1) {
138: push(@duplicates,$id);
139: }
140: }
141: if (@duplicates) {
142: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
143: }
144: }
145:
146: sub start_input {
147: my ($parstack,$safeeval)=@_;
148: my $id = &Apache::lonxml::get_id($parstack,$safeeval);
149: push (@Apache::inputtags::input,$id);
150: push (@Apache::inputtags::inputlist,$id);
151: return $id;
152: }
153:
154: sub end_input {
155: pop @Apache::inputtags::input;
156: return '';
157: }
158:
159: sub addchars {
160: my ($fieldid,$addchars)=@_;
161: my $output='';
162: foreach (split(/\,/,$addchars)) {
163: $output.='<a href="javascript:void(document.forms.lonhomework.'.
164: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
165: }
166: return $output;
167: }
168:
169: sub start_textfield {
170: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
171: my $result = "";
172: my $id = &start_input($parstack,$safeeval);
173: my $resid=$Apache::inputtags::response[-1];
174: if ($target eq 'web') {
175: $Apache::lonxml::evaluate--;
176: my $partid=$Apache::inputtags::part;
177: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"');
178: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
179: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
180: if ( $cols eq '') { $cols = 80; }
181: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
182: if ( $rows eq '') { $rows = 16; }
183: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
184: $result='';
185: if ($addchars) {
186: $result.=&addchars('HWVAL_'.$resid,$addchars);
187: }
188: &Apache::lonhtmlcommon::add_htmlareafields('HWVAL_'.$resid);
189: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
190: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
191: if ($oldresponse ne '') {
192:
193: #get rid of any startup text if the user has already responded
194: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
195: }
196: } else {
197: #show past answer in the essayresponse case
198: if ($oldresponse =~ /\S/
199: && &Apache::londefdef::is_inside_of($tagstack,
200: 'essayresponse') ) {
201: $result='<table class="LC_pastsubmission"><tr><td>'.
202: $oldresponse.'</td></tr></table>';
203: }
204: #get rid of any startup text
205: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
206: }
207: } elsif ($target eq 'grade') {
208: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
209: $style);
210: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
211: # if the seed text is still there it wasn't a real submission
212: $env{'form.HWVAL_'.$resid}='';
213: }
214: } elsif ($target eq 'edit') {
215: $result.=&Apache::edit::tag_start($target,$token);
216: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
217: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
218: $result.=&Apache::edit::text_arg
219: ('Click-On Texts (comma sep):','addchars',$token,10);
220: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
221: $style);
222: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
223: } elsif ($target eq 'modified') {
224: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
225: $safeeval,'rows','cols',
226: 'addchars');
227: if ($constructtag) {
228: $result = &Apache::edit::rebuild_tag($token);
229: } else {
230: $result=$token->[4];
231: }
232: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
233: } elsif ($target eq 'tex') {
234: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
235: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
236: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
237: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
238: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
239: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
240: } else {
241: my $TeXwidth=$width_of_box/80;
242: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
243: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
244: $result.='}}}\vskip 2 mm ';
245: }
246: }
247: return $result;
248: }
249:
250: sub end_textfield {
251: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
252: my $result;
253: if ($target eq 'web') {
254: $Apache::lonxml::evaluate++;
255: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
256: return "</textarea>";
257: }
258: } elsif ($target eq 'edit') {
259: $result=&Apache::edit::end_table();
260: }
261: &end_input;
262: return $result;
263: }
264:
265: sub exam_score_line {
266: my ($target) = @_;
267:
268: my $result;
269: if ($target eq 'tex') {
270: my $repetition = &Apache::response::repetition();
271: $result.='\begin{enumerate}';
272: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
273: foreach my $i (0..$repetition-1) {
274: $result.='\item[\textbf{'.
275: ($Apache::lonxml::counter+$i).
276: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
277: }
278: $result.= '\end{enumerate}';
279: }
280:
281: return $result;
282: }
283:
284: sub exam_box {
285: my ($target) = @_;
286: my $result;
287:
288: if ($target eq 'tex') {
289: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
290: $result .= &exam_score_line($target);
291: } elsif ($target eq 'web') {
292: my $id=$Apache::inputtags::response[-1];
293: $result.= '<br /><br />
294: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
295: </textarea> <br /><br />';
296: }
297: return $result;
298: }
299:
300: sub needs_exam_box {
301: my ($tagstack) = @_;
302: my @tags = ('formularesponse',
303: 'stringresponse',
304: 'reactionresponse',
305: 'organicresponse',
306: );
307:
308: foreach my $tag (@tags) {
309: if (grep(/\Q$tag\E/,@$tagstack)) {
310: return 1;
311: }
312: }
313: return 0;
314: }
315:
316: sub start_textline {
317: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
318: my $result = "";
319: my $input_id = &start_input($parstack,$safeeval);
320: if ($target eq 'web') {
321: $Apache::lonxml::evaluate--;
322: my $partid=$Apache::inputtags::part;
323: my $id=$Apache::inputtags::response[-1];
324: if (!&Apache::response::show_answer()) {
325: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
326: my $maxlength;
327: if ($size eq '') { $size=20; } else {
328: if ($size < 20) {
329: $maxlength = ' maxlength="'.$size.'"';
330: }
331: }
332: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
333: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
334:
335: if (ref($oldresponse) eq 'ARRAY') {
336: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
337: }
338: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
339: $oldresponse =~ s/^\s+//;
340: $oldresponse =~ s/\s+$//;
341: $oldresponse =~ s/\s+/ /g;
342: if ($Apache::lonhomework::type ne 'exam') {
343: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
344: $result='';
345: if ($addchars) {
346: $result.=&addchars('HWVAL_'.$id,$addchars);
347: }
348: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
349: $safeeval);
350: if (lc($readonly) eq 'yes'
351: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
352: $readonly=' readonly="readonly" ';
353: } else {
354: $readonly='';
355: }
356: my $name = 'HWVAL_'.$id;
357: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
358: $name = "none";
359: }
360: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');" type="text" '.$readonly.' name="'.$name.'" value="'.
361: $oldresponse.'" size="'.$size.'"'.$maxlength.' />';
362: }
363: if ($Apache::lonhomework::type eq 'exam'
364: && &needs_exam_box($tagstack)) {
365: $result.=&exam_box($target);
366: }
367: } else {
368: #right or wrong don't show what was last typed in.
369: my $count = scalar(@Apache::inputtags::inputlist)-1;
370: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
371: #$result='';
372: }
373: } elsif ($target eq 'edit') {
374: $result=&Apache::edit::tag_start($target,$token);
375: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
376: &Apache::edit::text_arg('Click-On Texts (comma sep):',
377: 'addchars',$token,10);
378: $result.=&Apache::edit::select_arg('Readonly:','readonly',
379: ['no','yes'],$token);
380: $result.=&Apache::edit::end_row();
381: $result.=&Apache::edit::end_table();
382: } elsif ($target eq 'modified') {
383: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
384: $safeeval,'size',
385: 'addchars','readonly');
386: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
387: } elsif ($target eq 'tex'
388: && $Apache::lonhomework::type ne 'exam') {
389: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
390: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
391: if ($env{'form.pdfFormFields'} eq 'yes'
392: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
393: my $fieldname = $env{'request.symb'}.
394: '&part_'. $Apache::inputtags::part.
395: '&textresponse'.
396: '&HWVAL_' . $Apache::inputtags::response['-1'];
397: $result="\n\\\\\n".'\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
398: } else {
399: $result='\framebox['.$size.'][s]{\tiny\strut}';
400: }
401: } elsif ($target eq 'tex'
402: && $Apache::lonhomework::type eq 'exam'
403: && &needs_exam_box($tagstack)) {
404: $result.=&exam_box($target);
405: }
406: return $result;
407: }
408:
409: sub end_textline {
410: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
411: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
412: elsif ($target eq 'edit') { return ('','no'); }
413: &end_input();
414: return "";
415: }
416:
417: sub start_hiddenline {
418: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
419: my $result = "";
420: my $input_id = &start_input($parstack,$safeeval);
421: if ($target eq 'web') {
422: $Apache::lonxml::evaluate--;
423: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
424: my $partid=$Apache::inputtags::part;
425: my $id=$Apache::inputtags::response[-1];
426: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
427: if (ref($oldresponse) eq 'ARRAY') {
428: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
429: }
430: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
431:
432: if ($Apache::lonhomework::type ne 'exam') {
433: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
434: $oldresponse.'" />';
435: }
436: }
437: } elsif ($target eq 'edit') {
438: $result=&Apache::edit::tag_start($target,$token);
439: $result.=&Apache::edit::end_table;
440: }
441:
442: if ( ($target eq 'web' || $target eq 'tex')
443: && $Apache::lonhomework::type eq 'exam'
444: && &needs_exam_box($tagstack)) {
445: $result.=&exam_box($target);
446: }
447: return $result;
448: }
449:
450: sub end_hiddenline {
451: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
452: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
453: elsif ($target eq 'edit') { return ('','no'); }
454: &end_input();
455: return "";
456: }
457:
458: =pod
459:
460: =item file_selector()
461:
462: $part -> partid
463: $id -> responseid
464: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
465: $which -> 'uploadonly' -> only newly uploaded files
466: 'portfolioonly' -> only allow files from portfolio
467: 'both' -> allow files from either location
468: $extratext -> additional text to go between the link and the input box
469: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
470: returns a table row <tr>
471:
472: =cut
473:
474: sub file_selector {
475: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
476: if (!$uploadedfiletypes) { return ''; }
477:
478: my $jspart=$part;
479: $jspart=~s/\./_/g;
480:
481: my $result;
482:
483: $result.='<tr><td>';
484: if (($uploadedfiletypes ne '*') || ($maxfilesize)) {
485: if ($uploadedfiletypes ne '*') {
486: $result.=
487: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
488: }
489: if ($maxfilesize) {
490: $result.=&mt('Combined size of files not to exceed: [_1] MB[_2].',
491: '<b>'.$maxfilesize.'</b>').'<br />';
492: }
493: $result .= '<br />';
494: }
495: if ($which eq 'uploadonly' || $which eq 'both') {
496: $result.=&mt('Submit a file: (only one file can be uploaded)').
497: ' <br /><input type="file" size="50" name="HWFILE'.
498: $jspart.'_'.$id.'" /><br />';
499: $result .= &show_past_file_submission($part,$id);
500: }
501: if ( $which eq 'both') {
502: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
503: }
504: if ($which eq 'portfolioonly' || $which eq 'both') {
505: $result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&fieldname='.$env{'form.request.prefix'}.'HWPORT'.$jspart.'_'.$id.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'.
506: &mt('Select Portfolio Files').'</a><br />'.
507: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
508: '<br />';
509: $result .= &show_past_portfile_submission($part,$id);
510: }
511: $result.='</td></tr>';
512: return $result;
513: }
514:
515: sub show_past_file_submission {
516: my ($part,$id) = @_;
517: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
518:
519: return if (!$uploadedfile);
520:
521: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
522: &Apache::lonxml::extlink($url);
523: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
524: my $icon=&Apache::loncommon::icon($url);
525: my $curfile='<a href="'.$url.'"><img src="'.$icon.
526: '" border="0" />'.$uploadedfile.'</a>';
527: return &mt('Currently submitted: [_1]','<tt>'.$curfile.'</tt>');
528:
529: }
530:
531: sub show_past_portfile_submission {
532: my ($part,$id) = @_;
533: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}!~/[^\s]/){
534: return;
535: }
536: my (@file_list,@bad_file_list);
537: foreach my $file (split(/\s*,\s*/,&unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) {
538: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
539: my $url="/uploaded/$domain/$user/portfolio$file";
540: my $icon=&Apache::loncommon::icon($url);
541: push(@file_list,'<a href="'.$url.'"><img src="'.$icon.
542: '" border="0" />'.$file.'</a>');
543: if (! &Apache::lonnet::stat_file($url)) {
544: &Apache::lonnet::logthis("bad file is $url");
545: push(@bad_file_list,'<a href="'.$url.'"><img src="'.$icon.
546: '" border="0" />'.$file.'</a>');
547: }
548: }
549: my $files = '<span class="LC_filename">'.
550: join('</span>, <span class="LC_filename">',@file_list).
551: '</span>';
552: my $result = &mt("Portfolio files previously selected: [_1]",$files);
553: if (@bad_file_list) {
554: my $bad_files = '<span class="LC_filename">'.
555: join('</span>, <span class="LC_filename">',@bad_file_list).
556: '</span>';
557: $result.='<p><span class="LC_error">'
558: .&mt("These file(s) don't exist: [_1]",$bad_files)
559: .'</span></p>';
560: }
561: return $result;
562:
563: }
564:
565: sub valid_award {
566: my ($award) =@_;
567: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
568: 'NO_RESPONSE',
569: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
570: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
571: 'UNIT_FAIL', 'NO_UNIT',
572: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
573: 'BAD_FORMULA', 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
574: 'MISORDERED_RANK', 'INVALID_FILETYPE',
575: 'EXCESS_FILESIZE', 'DRAFT',
576: 'SUBMITTED', 'ASSIGNED_SCORE',
577: 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
578: if ($award eq $possibleaward) { return 1; }
579: }
580: return 0;
581: }
582:
583: {
584: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
585: 'TOO_LONG',
586: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
587: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
588: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'INTERNAL_ERROR',
589: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
590: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'DRAFT', 'SUBMITTED',
591: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
592: my $i=0;
593: my %fwd_awards = map { ($_,$i++) } @awards;
594: my $max=scalar(@awards);
595: @awards=reverse(@awards);
596: $i=0;
597: my %rev_awards = map { ($_,$i++) } @awards;
598:
599: sub awarddetail_to_awarded {
600: my ($awarddetail) = @_;
601: if ($awarddetail eq 'EXACT_ANS'
602: || $awarddetail eq 'APPROX_ANS') {
603: return 1;
604: }
605: return 0;
606: }
607:
608: sub hide_award {
609: my ($award) = @_;
610: if (&Apache::lonhomework::show_no_problem_status()) {
611: return 1;
612: }
613: if ($award =~
614: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|ASSIGNED_SCORE|INCORRECT)/) {
615: return 1;
616: }
617: return 0;
618: }
619:
620: sub finalizeawards {
621: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
622: my $result;
623: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
624: if ($result eq '' ) {
625: my $blankcount;
626: foreach my $award (@$awardref) {
627: if ($award eq '') {
628: $result='MISSING_ANSWER';
629: $blankcount++;
630: }
631: }
632: if ($blankcount == ($#$awardref + 1)) {
633: return ('NO_RESPONSE');
634: }
635: }
636:
637: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
638:
639: if (!$final_scantron && defined($result)) { return ($result); }
640:
641: # if in scantron mode, if the award for any response is
642: # assigned score, then the part gets an assigned score
643: if ($final_scantron
644: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
645: return ('ASSIGNED_SCORE');
646: }
647:
648: # if in scantron mode, if the award for any response is
649: # correct and there are non-correct responses,
650: # then the part gets an assigned score
651: if ($final_scantron
652: && (grep { $_ eq 'EXACT_ANS' ||
653: $_ eq 'APPROX_ANS' } (@$awardref))
654: && (grep { $_ ne 'EXACT_ANS' &&
655: $_ ne 'APPROX_ANS' } (@$awardref))) {
656: return ('ASSIGNED_SCORE');
657: }
658: # these awards are ordered from most important error through best correct
659: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
660:
661: my $best = $max;
662: my $j=0;
663: my $which;
664: foreach my $award (@$awardref) {
665: if ($awards->{$award} < $best) {
666: $best = $awards->{$award};
667: $which = $j;
668: }
669: $j++;
670: }
671:
672: if (defined($which)) {
673: if (ref($nameref)) {
674: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
675: } else {
676: return ($$awardref[$which],$$msgref[$which]);
677: }
678: }
679: return ('ERROR',undef);
680: }
681: }
682:
683: sub decideoutput {
684: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
685:
686: my $message='';
687: my $button=0;
688: my $previousmsg;
689: my $css_class='orange';
690: my $added_computer_text=0;
691: my %possible_class =
692: ( 'correct' => 'LC_answer_correct',
693: 'charged_try' => 'LC_answer_charged_try',
694: 'not_charged_try' => 'LC_answer_not_charged_try',
695: 'no_grade' => 'LC_answer_no_grade',
696: 'no_message' => 'LC_no_message',
697: );
698:
699: my $part = $Apache::inputtags::part;
700: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
701: my $handgrade = ('yes' eq lc($tohandgrade));
702:
703: my $computer = ($handgrade)? ''
704: : " ".&mt("Computer's answer now shown above.");
705: &Apache::lonxml::debug("handgrade has :$handgrade:");
706:
707: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
708:
709: if ($solved =~ /^correct/) {
710: $css_class=$possible_class{'correct'};
711: $message=&mt('You are correct.');
712: if ($awarded < 1 && $awarded > 0) {
713: $message=&mt('You are partially correct.');
714: $css_class=$possible_class{'not_charged_try'};
715: } elsif ($awarded < 1) {
716: $message=&mt('Incorrect.');
717: $css_class=$possible_class{'charged_try'};
718: }
719: if ($env{'request.filename'} =~
720: m|/res/lib/templates/examupload.problem$|) {
721: $message = &mt("A score has been assigned.");
722: $added_computer_text=1;
723: } else {
724: if ($target eq 'tex') {
725: $message = '\textbf{'.$message.'}';
726: } else {
727: $message = "<b>".$message."</b>";
728: $message.= $computer;
729: }
730: $added_computer_text=1;
731: if ($awarded > 0) {
732: my ($symb) = &Apache::lonnet::whichuser();
733: if (($symb ne '')
734: &&
735: ($env{'course.'.$env{'request.course.id'}.
736: '.disable_receipt_display'} ne 'yes') &&
737: ($Apache::lonhomework::type ne 'practice')) {
738: $message.=(($target eq 'web')?'<br />':' ').
739: &mt('Your receipt no. is [_1]',
740: (&Apache::lonnet::receipt($Apache::inputtags::part).
741: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
742: }
743: }
744: }
745: $button=0;
746: $previousmsg='';
747: } elsif ($solved =~ /^excused/) {
748: if ($target eq 'tex') {
749: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
750: } else {
751: $message = "<b>".&mt('You are excused from the problem.')."</b>";
752: }
753: $css_class=$possible_class{'charged_try'};
754: $button=0;
755: $previousmsg='';
756: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
757: if ($solved =~ /^incorrect/ || $solved eq '') {
758: $message = &mt("Incorrect").".";
759: $css_class=$possible_class{'charged_try'};
760: $button=1;
761: } else {
762: if ($target eq 'tex') {
763: $message = '\textbf{'.&mt('You are correct.').'}';
764: } else {
765: $message = "<b>".&mt('You are correct.')."</b>";
766: $message.= $computer;
767: }
768: $added_computer_text=1;
769: if ($awarded > 0
770: && $env{'course.'.
771: $env{'request.course.id'}.
772: '.disable_receipt_display'} ne 'yes') {
773: $message.=(($target eq 'web')?'<br />':' ').
774: &mt('Your receipt is [_1]',
775: (&Apache::lonnet::receipt($Apache::inputtags::part).
776: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
777: }
778: $css_class=$possible_class{'correct'};
779: $button=0;
780: $previousmsg='';
781: }
782: } elsif ($award eq 'NO_RESPONSE') {
783: $message = '';
784: $css_class=$possible_class{'no_feedback'};
785: $button=1;
786: } elsif ($award eq 'EXTRA_ANSWER') {
787: $message = &mt('Some extra items were submitted.');
788: $css_class=$possible_class{'not_charged_try'};
789: $button = 1;
790: } elsif ($award eq 'MISSING_ANSWER') {
791: $message = &mt('Some items were not submitted.');
792: if ($target ne 'tex') {
793: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
794: }
795: $css_class=$possible_class{'not_charged_try'};
796: $button = 1;
797: } elsif ($award eq 'ERROR') {
798: $message = &mt('An error occurred while grading your answer.');
799: $css_class=$possible_class{'not_charged_try'};
800: $button = 1;
801: } elsif ($award eq 'TOO_LONG') {
802: $message = &mt("The submitted answer was too long.");
803: $css_class=$possible_class{'not_charged_try'};
804: $button=1;
805: } elsif ($award eq 'WANTED_NUMERIC') {
806: $message = &mt("This question expects a numeric answer.");
807: $css_class=$possible_class{'not_charged_try'};
808: $button=1;
809: } elsif ($award eq 'MISORDERED_RANK') {
810: $message = &mt('You have provided an invalid ranking.');
811: if ($target ne 'tex') {
812: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
813: }
814: $css_class=$possible_class{'not_charged_try'};
815: $button=1;
816: } elsif ($award eq 'EXCESS_FILESIZE') {
817: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
818: $css_class=$possible_class{'not_charged_try'};
819: $button=1;
820: } elsif ($award eq 'INVALID_FILETYPE') {
821: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
822: $css_class=$possible_class{'not_charged_try'};
823: $button=1;
824: } elsif ($award eq 'SIG_FAIL') {
825: my ($used,$min,$max)=split(':',$awardmsg);
826: my $word = ($used < $min) ? 'more' : 'fewer';
827: $message = &mt("Submission not graded. Use $word digits.",$used);
828: $css_class=$possible_class{'not_charged_try'};
829: $button=1;
830: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
831: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
832: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
833: $css_class=$possible_class{'not_charged_try'};
834: $button=1;
835: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
836: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
837: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
838: $css_class=$possible_class{'not_charged_try'};
839: $button=1;
840: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
841: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
842: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
843: $css_class=$possible_class{'not_charged_try'};
844: $button=1;
845: } elsif ($award eq 'UNIT_NOTNEEDED') {
846: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
847: $css_class=$possible_class{'not_charged_try'};
848: $button=1;
849: } elsif ($award eq 'NO_UNIT') {
850: $message = &mt("Units required").'.';
851: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
852: $css_class=$possible_class{'not_charged_try'};
853: $button=1;
854: } elsif ($award eq 'COMMA_FAIL') {
855: $message = &mt("Proper comma separation is required").'.';
856: $css_class=$possible_class{'not_charged_try'};
857: $button=1;
858: } elsif ($award eq 'BAD_FORMULA') {
859: $message = &mt("Unable to understand formula").'.';
860: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
861: $css_class=$possible_class{'not_charged_try'};
862: $button=1;
863: } elsif ($award eq 'INTERNAL_ERROR') {
864: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
865: $css_class=$possible_class{'not_charged_try'};
866: $button=1;
867: } elsif ($award eq 'INCORRECT') {
868: $message = &mt("Incorrect").'.';
869: $css_class=$possible_class{'charged_try'};
870: $button=1;
871: } elsif ($award eq 'SUBMITTED') {
872: $message = &mt("Your submission has been recorded.");
873: $css_class=$possible_class{'no_grade'};
874: $button=1;
875: } elsif ($award eq 'DRAFT') {
876: $message = &mt("Copy saved but not submitted.");
877: $css_class=$possible_class{'not_charged_try'};
878: $button=1;
879: } elsif ($award eq 'ASSIGNED_SCORE') {
880: $message = &mt("A score has been assigned.");
881: $css_class=$possible_class{'correct'};
882: $button=0;
883: } elsif ($award eq '') {
884: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
885: $message = &mt("Nothing submitted.");
886: $css_class=$possible_class{'charged_try'};
887: } else {
888: $css_class=$possible_class{'not_charged_try'};
889: }
890: $button=1;
891: } else {
892: $message = &mt("Unknown message").": $award";
893: $button=1;
894: }
895: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
896: foreach my $resid(@Apache::inputtags::response){
897: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
898: if ($target eq 'tex') {
899: $message.= "\\\\\n";
900: } else {
901: $message.='<br />';
902: }
903: my @files = split(/\s*,\s*/,
904: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
905: my $file_msg;
906: foreach my $file (@files) {
907: if ($target eq 'tex') {
908: $file_msg.= "\\\\\n".$file;
909: } else {
910: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
911: }
912: }
913: $message .= &mt('Returned file(s): [_1]',$file_msg);
914: if ($target eq 'tex') {
915: $message.= "\\\\\n";
916: } else {
917: $message.='<br />';
918: }
919: }
920: }
921:
922: if (&Apache::lonhomework::hide_problem_status()
923: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
924: && &hide_award($award)) {
925: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
926: $css_class=$possible_class{'no_grade'};
927: $button=1;
928: }
929: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
930: !$added_computer_text && $target ne 'tex') {
931: $message.= $computer;
932: $added_computer_text=1;
933: }
934: if ($Apache::lonhomework::type eq 'practice') {
935: if ($target eq 'web') {
936: $message .= '<br />';
937: } else {
938: $message .= ' ';
939: }
940: $message.=&mt('Submissions to practice problems are not permanently recorded.');
941: }
942:
943: return ($button,$css_class,$message,$previousmsg);
944: }
945:
946: sub markup_unit {
947: my ($unit,$target)=@_;
948: if ($target eq 'tex') {
949: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
950: } else {
951: return "<tt>".$unit."</tt>";
952: }
953: }
954:
955: sub removealldata {
956: my ($id)=@_;
957: foreach my $key (keys(%Apache::lonhomework::results)) {
958: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
959: &Apache::lonxml::debug("Removing $key");
960: delete($Apache::lonhomework::results{$key});
961: }
962: }
963: }
964:
965: sub hidealldata {
966: my ($id)=@_;
967: foreach my $key (keys(%Apache::lonhomework::results)) {
968: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
969: &Apache::lonxml::debug("Hidding $key");
970: my $newkey=$key;
971: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
972: $Apache::lonhomework::results{$newkey}=
973: $Apache::lonhomework::results{$key};
974: delete($Apache::lonhomework::results{$key});
975: }
976: }
977: }
978:
979: sub setgradedata {
980: my ($award,$msg,$id,$previously_used) = @_;
981: if ($Apache::lonhomework::scantronmode &&
982: &Apache::lonnet::validCODE($env{'form.CODE'})) {
983: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
984: } elsif ($Apache::lonhomework::scantronmode &&
985: $env{'form.CODE'} eq '' &&
986: $Apache::lonhomework::history{"resource.CODE"} ne '') {
987: $Apache::lonhomework::results{"resource.CODE"}='';
988: }
989:
990: if (!$Apache::lonhomework::scantronmode &&
991: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
992: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
993: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
994: return '';
995: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
996: /^correct/
997: || $Apache::lonhomework::scantronmode
998: || &Apache::lonhomework::hide_problem_status() ) {
999: # the student doesn't already have it correct,
1000: # or we are in a mode (scantron orno problem status) where a correct
1001: # can become incorrect
1002: # handle assignment of tries and solved status
1003: my $solvemsg;
1004: if ($Apache::lonhomework::scantronmode) {
1005: $solvemsg='correct_by_scantron';
1006: } else {
1007: $solvemsg='correct_by_student';
1008: }
1009: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1010: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1011: }
1012: if ( $award eq 'ASSIGNED_SCORE') {
1013: $Apache::lonhomework::results{"resource.$id.tries"} =
1014: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1015: $Apache::lonhomework::results{"resource.$id.solved"} =
1016: $solvemsg;
1017: my $numawards=scalar(@Apache::inputtags::response);
1018: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1019: foreach my $res (@Apache::inputtags::response) {
1020: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1021: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1022: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1023: } else {
1024: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1025: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1026: }
1027: }
1028: if ($numawards > 0) {
1029: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1030: $numawards;
1031: }
1032: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1033: $Apache::lonhomework::results{"resource.$id.tries"} =
1034: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1035: $Apache::lonhomework::results{"resource.$id.solved"} =
1036: $solvemsg;
1037: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1038: } elsif ( $award eq 'INCORRECT' ) {
1039: $Apache::lonhomework::results{"resource.$id.tries"} =
1040: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1041: if (&Apache::lonhomework::hide_problem_status()
1042: || $Apache::lonhomework::scantronmode) {
1043: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1044: }
1045: $Apache::lonhomework::results{"resource.$id.solved"} =
1046: 'incorrect_attempted';
1047: } elsif ( $award eq 'SUBMITTED' ) {
1048: $Apache::lonhomework::results{"resource.$id.tries"} =
1049: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1050: $Apache::lonhomework::results{"resource.$id.solved"} =
1051: 'ungraded_attempted';
1052: } elsif ( $award eq 'DRAFT' ) {
1053: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1054: } elsif ( $award eq 'NO_RESPONSE' ) {
1055: #no real response so delete any data that got stored
1056: &removealldata($id);
1057: return '';
1058: } else {
1059: $Apache::lonhomework::results{"resource.$id.solved"} =
1060: 'incorrect_attempted';
1061: if (&Apache::lonhomework::show_no_problem_status()
1062: || $Apache::lonhomework::scantronmode) {
1063: $Apache::lonhomework::results{"resource.$id.tries"} =
1064: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1065: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1066: }
1067:
1068: if (&Apache::lonhomework::show_some_problem_status()) {
1069: # clear out the awarded if they had gotten it wrong/right
1070: # and are now in an error mode
1071: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1072: }
1073: }
1074: if (defined($msg)) {
1075: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1076: }
1077: # did either of the overall awards chage? If so ignore the
1078: # previous check
1079: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1080: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1081: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1082: $Apache::lonhomework::history{"resource.$id.solved"})) {
1083: # check if this was a previous submission if it was delete the
1084: # unneeded data and update the previously_used attribute
1085: if ( $previously_used eq 'PREVIOUSLY_USED') {
1086: if (&Apache::lonhomework::show_problem_status()) {
1087: delete($Apache::lonhomework::results{"resource.$id.tries"});
1088: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1089: }
1090: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1091: #delete all data as they student didn't do anything, but save
1092: #the list of collaborators.
1093: &removealldata($id);
1094: #and since they didn't do anything we were never here
1095: return '';
1096: } else {
1097: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1098: }
1099: }
1100: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
1101: /^correct/ ) {
1102: #delete all data as they student already has it correct
1103: &removealldata($id);
1104: #and since they didn't do anything we were never here
1105: return '';
1106: }
1107: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1108: if ($award eq 'SUBMITTED') {
1109: &Apache::response::add_to_gradingqueue();
1110: }
1111: }
1112:
1113: sub find_which_previous {
1114: my ($version) = @_;
1115: my $part = $Apache::inputtags::part;
1116: my (@previous_version);
1117: foreach my $resp (@Apache::inputtags::response) {
1118: my $key = "$version:resource.$part.$resp.submission";
1119: my $submission = $Apache::lonhomework::history{$key};
1120: my %previous = &Apache::response::check_for_previous($submission,
1121: $part,$resp,
1122: $version);
1123: push(@previous_version,$previous{'version'});
1124: }
1125: return &previous_match(\@previous_version,
1126: scalar(@Apache::inputtags::response));
1127: }
1128:
1129: sub previous_match {
1130: my ($previous_array,$count) = @_;
1131: my $match = 0;
1132: my @matches;
1133: foreach my $versionar (@$previous_array) {
1134: foreach my $version (@$versionar) {
1135: $matches[$version]++;
1136: }
1137: }
1138: my $which=0;
1139: foreach my $elem (@matches) {
1140: if ($elem eq $count) {
1141: $match=1;
1142: last;
1143: }
1144: $which++;
1145: }
1146: return ($match,$which);
1147: }
1148:
1149: sub grade {
1150: my ($target) = @_;
1151: my $id = $Apache::inputtags::part;
1152: my $response='';
1153: if ( defined $env{'form.submitted'}) {
1154: my (@awards,@msgs);
1155: foreach $response (@Apache::inputtags::response) {
1156: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1157: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1158: &Apache::lonxml::debug("keeping $value from $response for $id");
1159: push (@awards,$value);
1160: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1161: &Apache::lonxml::debug("got message $value from $response for $id");
1162: push (@msgs,$value);
1163: }
1164: my ($finalaward,$msg) =
1165: &finalizeawards(\@awards,\@msgs,undef,undef,
1166: $Apache::lonhomework::scantronmode);
1167: my $previously_used;
1168: if ( $#Apache::inputtags::previous eq $#awards ) {
1169: my ($match) =
1170: &previous_match(\@Apache::inputtags::previous_version,
1171: scalar(@Apache::inputtags::response));
1172:
1173: if ($match) {
1174: $previously_used = 'PREVIOUSLY_LAST';
1175: foreach my $value (@Apache::inputtags::previous) {
1176: if ($value eq 'PREVIOUSLY_USED' ) {
1177: $previously_used = $value;
1178: last;
1179: }
1180: }
1181: }
1182: }
1183: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1184: &setgradedata($finalaward,$msg,$id,$previously_used);
1185: }
1186: return '';
1187: }
1188:
1189: sub get_grade_messages {
1190: my ($id,$prefix,$target,$status) = @_;
1191:
1192: my ($message,$latemessage,$trystr,$previousmsg);
1193: my $showbutton = 1;
1194:
1195: my $award = $Apache::lonhomework::history{"$prefix.award"};
1196: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1197: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1198: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1199: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1200: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1201: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1202: &Apache::lonxml::debug('Getting message');
1203: ($showbutton,my $css_class,$message,$previousmsg) =
1204: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1205: $target);
1206: if ($target eq 'tex') {
1207: $message='\vskip 2 mm '.$message.' ';
1208: } else {
1209: $message="<td class=\"$css_class\">$message</td>";
1210: if ($previousmsg) {
1211: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1212: }
1213: }
1214: }
1215: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1216: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1217: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1218: #if tries are set to negative turn off the Tries/Button and messages
1219: if (defined($maxtries) && $maxtries < 0) { return ''; }
1220: if ( $tries eq '' ) { $tries = '0'; }
1221: if ( $maxtries eq '' ) { $maxtries = '2'; }
1222: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1223: my $tries_text=&mt('Tries');
1224: if ( $Apache::lonhomework::type eq 'survey' ||
1225: $Apache::lonhomework::parsing_a_task) {
1226: $tries_text=&mt('Submissions');
1227: }
1228:
1229: if ($showbutton) {
1230: if ($target eq 'tex') {
1231: if ($env{'request.state'} ne "construct"
1232: && $Apache::lonhomework::type ne 'exam'
1233: && $env{'form.suppress_tries'} ne 'yes') {
1234: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.
1235: $tries.'/'.$maxtries.'} \vskip 2 mm ';
1236: } else {
1237: $trystr = '\vskip 0 mm ';
1238: }
1239: } else {
1240: $trystr = '<td><span class="LC_nobreak">'.$tries_text." $tries";
1241: if ($Apache::lonhomework::parsing_a_task) {
1242: } elsif($env{'request.state'} ne 'construct') {
1243: $trystr.="/$maxtries";
1244: } else {
1245: if (defined($Apache::inputtags::params{'maxtries'})) {
1246: $trystr.="/".$Apache::inputtags::params{'maxtries'};
1247: }
1248: }
1249: $trystr.="</span></td>";
1250: }
1251: }
1252:
1253: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1254: #last submissions was after due date
1255: $latemessage=&mt(' The last submission was after the Due Date ');;
1256: if ($target eq 'web') {
1257: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1258: }
1259: }
1260: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1261: }
1262:
1263: sub gradestatus {
1264: my ($id,$target,$no_previous) = @_;
1265: my $showbutton = 1;
1266: my $message = '';
1267: my $latemessage = '';
1268: my $trystr='';
1269: my $button='';
1270: my $previousmsg='';
1271:
1272: my $status = $Apache::inputtags::status['-1'];
1273: &Apache::lonxml::debug("gradestatus has :$status:");
1274: if ( $status ne 'CLOSED'
1275: && $status ne 'UNAVAILABLE'
1276: && $status ne 'INVALID_ACCESS'
1277: && $status ne 'NEEDS_CHECKIN'
1278: && $status ne 'NOT_IN_A_SLOT') {
1279:
1280: ($previousmsg,$latemessage,$message,$trystr) =
1281: &get_grade_messages($id,"resource.$id",$target,$status,
1282: $showbutton);
1283: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1284: $showbutton = 0;
1285: }
1286: if ( $status eq 'SHOW_ANSWER') {
1287: undef($previousmsg);
1288: }
1289: if ( $showbutton ) {
1290: if ($target ne 'tex') {
1291: $button =
1292: '<input
1293: onmouseup="javascript:setSubmittedPart(\''.$id.'\')"
1294: onsubmit="javascript:setSubmittedPart(\''.$id.'\')"
1295: type="submit" name="submit_'.$id.'"
1296: value="'.&mt('Submit Answer').'" />';
1297: }
1298: }
1299:
1300: }
1301: my $output= $previousmsg.$latemessage.$message.$trystr;
1302: if ($output =~ /^\s*$/) {
1303: return $button;
1304: } else {
1305: if ($target eq 'tex') {
1306: return $button.' \vskip 0 mm '.$output.' ';
1307: } else {
1308: $output =
1309: '<table><tr><td>'.$button.'</td>'.$output;
1310: if (!$no_previous) {
1311: $output.='<td>'.&previous_tries($id,$target).'</td>';
1312: }
1313: $output.= '</tr></table>';
1314: return $output;
1315: }
1316: }
1317: }
1318:
1319: sub previous_tries {
1320: my ($id,$target) = @_;
1321: my $output;
1322: my $status = $Apache::inputtags::status['-1'];
1323:
1324: my $count;
1325: my %count_lookup;
1326:
1327: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1328: my $prefix = $i.":resource.$id";
1329:
1330: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1331: $count++;
1332: $count_lookup{$i} = $count;
1333:
1334: my ($previousmsg,$latemessage,$message,$trystr);
1335:
1336: ($previousmsg,$latemessage,$message,$trystr) =
1337: &get_grade_messages($id,"$prefix",$target,$status);
1338:
1339: if ($previousmsg ne '') {
1340: my ($match,$which) = &find_which_previous($i);
1341: $message=$previousmsg;
1342: my $previous = $count_lookup{$which};
1343: $message =~ s{(</td>)}{ as submission \# $previous $1};
1344: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1345: if (!(&Apache::lonhomework::hide_problem_status()
1346: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1347: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1348: ) {
1349:
1350: my $txt_correct = &mt('Correct');
1351: $message =~ s{(<td.*?>)(.*?)(</td>)}
1352: {$1 <strong>$txt_correct</strong>. $3}s;
1353: }
1354: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1355: $message =~ s{(</td>)}{ $trystr $1};
1356: }
1357: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1358: $message =~ s{(<td.*?>)}{<td>};
1359:
1360:
1361: $output.='<tr class="'.$class.'">';
1362: $output.='<td align="center">'.$count.'</td>';
1363: $output.=$message;
1364:
1365: foreach my $resid (@Apache::inputtags::response) {
1366: my $prefix = $prefix.".$resid";
1367: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1368: my $submission =
1369: $Apache::inputtags::submission_display{"$prefix.submission"};
1370: if (!defined($submission)) {
1371: $submission =
1372: $Apache::lonhomework::history{"$prefix.submission"};
1373: }
1374: $output.='<td>'.$submission.'</td>';
1375: } else {
1376: $output.='<td></td>';
1377: }
1378: }
1379: $output.=&Apache::loncommon::end_data_table_row()."\n";
1380: }
1381: return if ($output eq '');
1382: my $headers =
1383: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1384: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1385: &mt('Submitted Answer').'</th>';
1386: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1387: #return $output;
1388: $output = &Apache::loncommon::js_ready($output);
1389: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
1390:
1391: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1392: my $start_page =
1393: &Apache::loncommon::start_page('Previous Tries', undef,
1394: {'only_body' => 1,
1395: 'bgcolor' => '#FFFFFF',
1396: 'js_ready' => 1,
1397: 'inherit_jsmath' => 1, });
1398: my $end_page =
1399: &Apache::loncommon::end_page({'js_ready' => 1,});
1400: my $prefix = $env{'form.request.prefix'};
1401: $prefix =~ tr{.}{_};
1402: my $function_name = "LONCAPA_previous_tries_".$prefix.
1403: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1404: my $result ="<script type=\"text/javascript\">
1405: // <![CDATA[
1406: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1407: // ]]>
1408: </script><a href=\"javascript:$function_name();void(0);\">".&mt("Previous Tries")."</a><br />";
1409: #use Data::Dumper;
1410: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1411: return $result;
1412: }
1413:
1414: 1;
1415: __END__
1416:
1417: =pod
1418:
1419: =back
1420:
1421: =cut
1422:
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