1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.260.4.1 2009/12/06 21:00:15 raeburn 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='\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: if ($env{'request.uri'} eq '/res/gci/gci/internal/submission.problem') {
873: if ($target eq 'web') {
874: $message .= '<br />'.&mt('Thank you for making a submission to the Geosciences Concept Inventory via the GCI Web Center.');
875: }
876: } else {
877: $message = &mt("Your submission has been recorded.");
878: }
879: $css_class=$possible_class{'no_grade'};
880: $button=1;
881: } elsif ($award eq 'DRAFT') {
882: $message = &mt("Copy saved but not submitted.");
883: $css_class=$possible_class{'not_charged_try'};
884: $button=1;
885: } elsif ($award eq 'ASSIGNED_SCORE') {
886: $message = &mt("A score has been assigned.");
887: $css_class=$possible_class{'correct'};
888: $button=0;
889: } elsif ($award eq '') {
890: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
891: $message = &mt("Nothing submitted.");
892: $css_class=$possible_class{'charged_try'};
893: } else {
894: $css_class=$possible_class{'not_charged_try'};
895: }
896: $button=1;
897: } else {
898: $message = &mt("Unknown message").": $award";
899: $button=1;
900: }
901: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
902: foreach my $resid(@Apache::inputtags::response){
903: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
904: if ($target eq 'tex') {
905: $message.= "\\\\\n";
906: } else {
907: $message.='<br />';
908: }
909: my @files = split(/\s*,\s*/,
910: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
911: my $file_msg;
912: foreach my $file (@files) {
913: if ($target eq 'tex') {
914: $file_msg.= "\\\\\n".$file;
915: } else {
916: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
917: }
918: }
919: $message .= &mt('Returned file(s): [_1]',$file_msg);
920: if ($target eq 'tex') {
921: $message.= "\\\\\n";
922: } else {
923: $message.='<br />';
924: }
925: }
926: }
927:
928: if (&Apache::lonhomework::hide_problem_status()
929: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
930: && &hide_award($award)) {
931: if ($env{'request.uri'} eq '/res/gci/gci/internal/submission.problem') {
932: if ($target eq 'web') {
933: $message = &mt("Your submission has been recorded.").'<br />'.
934: &mt('Thank you for making a submission to the Geosciences Concept Inventory via the GCI Web Center.');
935: }
936: } else {
937: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
938: }
939: $css_class=$possible_class{'no_grade'};
940: $button=1;
941: }
942: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
943: !$added_computer_text && $target ne 'tex') {
944: $message.= $computer;
945: $added_computer_text=1;
946: }
947: if ($Apache::lonhomework::type eq 'practice') {
948: if ($target eq 'web') {
949: $message .= '<br />';
950: } else {
951: $message .= ' ';
952: }
953: $message.=&mt('Submissions to practice problems are not permanently recorded.');
954: }
955:
956: return ($button,$css_class,$message,$previousmsg);
957: }
958:
959: sub markup_unit {
960: my ($unit,$target)=@_;
961: if ($target eq 'tex') {
962: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
963: } else {
964: return "<tt>".$unit."</tt>";
965: }
966: }
967:
968: sub removealldata {
969: my ($id)=@_;
970: foreach my $key (keys(%Apache::lonhomework::results)) {
971: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
972: &Apache::lonxml::debug("Removing $key");
973: delete($Apache::lonhomework::results{$key});
974: }
975: }
976: }
977:
978: sub hidealldata {
979: my ($id)=@_;
980: foreach my $key (keys(%Apache::lonhomework::results)) {
981: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
982: &Apache::lonxml::debug("Hidding $key");
983: my $newkey=$key;
984: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
985: $Apache::lonhomework::results{$newkey}=
986: $Apache::lonhomework::results{$key};
987: delete($Apache::lonhomework::results{$key});
988: }
989: }
990: }
991:
992: sub setgradedata {
993: my ($award,$msg,$id,$previously_used) = @_;
994: if ($Apache::lonhomework::scantronmode &&
995: &Apache::lonnet::validCODE($env{'form.CODE'})) {
996: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
997: } elsif ($Apache::lonhomework::scantronmode &&
998: $env{'form.CODE'} eq '' &&
999: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1000: $Apache::lonhomework::results{"resource.CODE"}='';
1001: }
1002:
1003: if (!$Apache::lonhomework::scantronmode &&
1004: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1005: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1006: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1007: return '';
1008: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1009: /^correct/
1010: || $Apache::lonhomework::scantronmode
1011: || &Apache::lonhomework::hide_problem_status() ) {
1012: # the student doesn't already have it correct,
1013: # or we are in a mode (scantron orno problem status) where a correct
1014: # can become incorrect
1015: # handle assignment of tries and solved status
1016: my $solvemsg;
1017: if ($Apache::lonhomework::scantronmode) {
1018: $solvemsg='correct_by_scantron';
1019: } else {
1020: $solvemsg='correct_by_student';
1021: }
1022: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1023: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1024: }
1025: if ( $award eq 'ASSIGNED_SCORE') {
1026: $Apache::lonhomework::results{"resource.$id.tries"} =
1027: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1028: $Apache::lonhomework::results{"resource.$id.solved"} =
1029: $solvemsg;
1030: my $numawards=scalar(@Apache::inputtags::response);
1031: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1032: foreach my $res (@Apache::inputtags::response) {
1033: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1034: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1035: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1036: } else {
1037: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1038: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1039: }
1040: }
1041: if ($numawards > 0) {
1042: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1043: $numawards;
1044: }
1045: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1046: $Apache::lonhomework::results{"resource.$id.tries"} =
1047: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1048: $Apache::lonhomework::results{"resource.$id.solved"} =
1049: $solvemsg;
1050: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1051: } elsif ( $award eq 'INCORRECT' ) {
1052: $Apache::lonhomework::results{"resource.$id.tries"} =
1053: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1054: if (&Apache::lonhomework::hide_problem_status()
1055: || $Apache::lonhomework::scantronmode) {
1056: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1057: }
1058: $Apache::lonhomework::results{"resource.$id.solved"} =
1059: 'incorrect_attempted';
1060: } elsif ( $award eq 'SUBMITTED' ) {
1061: $Apache::lonhomework::results{"resource.$id.tries"} =
1062: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1063: $Apache::lonhomework::results{"resource.$id.solved"} =
1064: 'ungraded_attempted';
1065: } elsif ( $award eq 'DRAFT' ) {
1066: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1067: } elsif ( $award eq 'NO_RESPONSE' ) {
1068: #no real response so delete any data that got stored
1069: &removealldata($id);
1070: return '';
1071: } else {
1072: $Apache::lonhomework::results{"resource.$id.solved"} =
1073: 'incorrect_attempted';
1074: if (&Apache::lonhomework::show_no_problem_status()
1075: || $Apache::lonhomework::scantronmode) {
1076: $Apache::lonhomework::results{"resource.$id.tries"} =
1077: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1078: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1079: }
1080:
1081: if (&Apache::lonhomework::show_some_problem_status()) {
1082: # clear out the awarded if they had gotten it wrong/right
1083: # and are now in an error mode
1084: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1085: }
1086: }
1087: if (defined($msg)) {
1088: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1089: }
1090: # did either of the overall awards chage? If so ignore the
1091: # previous check
1092: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1093: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1094: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1095: $Apache::lonhomework::history{"resource.$id.solved"})) {
1096: # check if this was a previous submission if it was delete the
1097: # unneeded data and update the previously_used attribute
1098: if ( $previously_used eq 'PREVIOUSLY_USED') {
1099: if (&Apache::lonhomework::show_problem_status()) {
1100: delete($Apache::lonhomework::results{"resource.$id.tries"});
1101: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1102: }
1103: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1104: #delete all data as they student didn't do anything, but save
1105: #the list of collaborators.
1106: &removealldata($id);
1107: #and since they didn't do anything we were never here
1108: return '';
1109: } else {
1110: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1111: }
1112: }
1113: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
1114: /^correct/ ) {
1115: #delete all data as they student already has it correct
1116: &removealldata($id);
1117: #and since they didn't do anything we were never here
1118: return '';
1119: }
1120: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1121: if ($award eq 'SUBMITTED') {
1122: &Apache::response::add_to_gradingqueue();
1123: }
1124: }
1125:
1126: sub find_which_previous {
1127: my ($version) = @_;
1128: my $part = $Apache::inputtags::part;
1129: my (@previous_version);
1130: foreach my $resp (@Apache::inputtags::response) {
1131: my $key = "$version:resource.$part.$resp.submission";
1132: my $submission = $Apache::lonhomework::history{$key};
1133: my %previous = &Apache::response::check_for_previous($submission,
1134: $part,$resp,
1135: $version);
1136: push(@previous_version,$previous{'version'});
1137: }
1138: return &previous_match(\@previous_version,
1139: scalar(@Apache::inputtags::response));
1140: }
1141:
1142: sub previous_match {
1143: my ($previous_array,$count) = @_;
1144: my $match = 0;
1145: my @matches;
1146: foreach my $versionar (@$previous_array) {
1147: foreach my $version (@$versionar) {
1148: $matches[$version]++;
1149: }
1150: }
1151: my $which=0;
1152: foreach my $elem (@matches) {
1153: if ($elem eq $count) {
1154: $match=1;
1155: last;
1156: }
1157: $which++;
1158: }
1159: return ($match,$which);
1160: }
1161:
1162: sub grade {
1163: my ($target) = @_;
1164: my $id = $Apache::inputtags::part;
1165: my $response='';
1166: if ( defined $env{'form.submitted'}) {
1167: my (@awards,@msgs);
1168: foreach $response (@Apache::inputtags::response) {
1169: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1170: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1171: &Apache::lonxml::debug("keeping $value from $response for $id");
1172: push (@awards,$value);
1173: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1174: &Apache::lonxml::debug("got message $value from $response for $id");
1175: push (@msgs,$value);
1176: }
1177: my ($finalaward,$msg) =
1178: &finalizeawards(\@awards,\@msgs,undef,undef,
1179: $Apache::lonhomework::scantronmode);
1180: my $previously_used;
1181: if ( $#Apache::inputtags::previous eq $#awards ) {
1182: my ($match) =
1183: &previous_match(\@Apache::inputtags::previous_version,
1184: scalar(@Apache::inputtags::response));
1185:
1186: if ($match) {
1187: $previously_used = 'PREVIOUSLY_LAST';
1188: foreach my $value (@Apache::inputtags::previous) {
1189: if ($value eq 'PREVIOUSLY_USED' ) {
1190: $previously_used = $value;
1191: last;
1192: }
1193: }
1194: }
1195: }
1196: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1197: &setgradedata($finalaward,$msg,$id,$previously_used);
1198: }
1199: return '';
1200: }
1201:
1202: sub get_grade_messages {
1203: my ($id,$prefix,$target,$status) = @_;
1204:
1205: my ($message,$latemessage,$trystr,$previousmsg);
1206: my $showbutton = 1;
1207:
1208: my $award = $Apache::lonhomework::history{"$prefix.award"};
1209: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1210: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1211: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1212: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1213: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1214: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1215: &Apache::lonxml::debug('Getting message');
1216: ($showbutton,my $css_class,$message,$previousmsg) =
1217: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1218: $target);
1219: if ($target eq 'tex') {
1220: $message='\vskip 2 mm '.$message.' ';
1221: } else {
1222: $message="<td class=\"$css_class\">$message</td>";
1223: if ($previousmsg) {
1224: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1225: }
1226: }
1227: }
1228: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1229: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1230: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1231: #if tries are set to negative turn off the Tries/Button and messages
1232: if (defined($maxtries) && $maxtries < 0) { return ''; }
1233: if ( $tries eq '' ) { $tries = '0'; }
1234: if ( $maxtries eq '' ) { $maxtries = '2'; }
1235: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1236: my $tries_text=&mt('Tries');
1237: if ( $Apache::lonhomework::type eq 'survey' ||
1238: $Apache::lonhomework::parsing_a_task) {
1239: $tries_text=&mt('Submissions');
1240: }
1241:
1242: if ($showbutton) {
1243: if ($target eq 'tex') {
1244: if ($env{'request.state'} ne "construct"
1245: && $Apache::lonhomework::type ne 'exam'
1246: && $env{'form.suppress_tries'} ne 'yes') {
1247: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.
1248: $tries.'/'.$maxtries.'} \vskip 2 mm ';
1249: } else {
1250: $trystr = '\vskip 0 mm ';
1251: }
1252: } else {
1253: $trystr = '<td><span class="LC_nobreak">';
1254: my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1255: if ($parmhash{'suppress_tries'} ne 'yes') {
1256: $trystr .= "$tries_text $tries";
1257: if ($Apache::lonhomework::parsing_a_task) {
1258: } elsif($env{'request.state'} ne 'construct') {
1259: $trystr.="/$maxtries";
1260: } else {
1261: if (defined($Apache::inputtags::params{'maxtries'})) {
1262: $trystr.="/".$Apache::inputtags::params{'maxtries'};
1263: }
1264: }
1265: }
1266: $trystr.="</span></td>";
1267: }
1268: }
1269:
1270: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1271: #last submissions was after due date
1272: $latemessage=&mt(' The last submission was after the Due Date ');;
1273: if ($target eq 'web') {
1274: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1275: }
1276: }
1277: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1278: }
1279:
1280: sub gradestatus {
1281: my ($id,$target,$no_previous) = @_;
1282: my $showbutton = 1;
1283: my $message = '';
1284: my $latemessage = '';
1285: my $trystr='';
1286: my $button='';
1287: my $previousmsg='';
1288:
1289: my $status = $Apache::inputtags::status['-1'];
1290: &Apache::lonxml::debug("gradestatus has :$status:");
1291: if ( $status ne 'CLOSED'
1292: && $status ne 'UNAVAILABLE'
1293: && $status ne 'INVALID_ACCESS'
1294: && $status ne 'NEEDS_CHECKIN'
1295: && $status ne 'NOT_IN_A_SLOT') {
1296:
1297: ($previousmsg,$latemessage,$message,$trystr) =
1298: &get_grade_messages($id,"resource.$id",$target,$status,
1299: $showbutton);
1300: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1301: $showbutton = 0;
1302: }
1303: if ( $status eq 'SHOW_ANSWER') {
1304: undef($previousmsg);
1305: }
1306: if ( $showbutton ) {
1307: if ($target ne 'tex') {
1308: my $submit_text = &mt('Submit Answer');
1309: if ($env{'request.uri'} eq '/res/gci/gci/internal/submission.problem') {
1310: $submit_text = &mt('Submit Questions');
1311: }
1312: $button =
1313: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\')"
1314: type="submit" name="submit_'.$id.'"
1315: value="'.$submit_text.'" />';
1316: }
1317: }
1318:
1319: }
1320: my $output= $previousmsg.$latemessage.$message.$trystr;
1321: if ($output =~ /^\s*$/) {
1322: return $button;
1323: } else {
1324: if ($target eq 'tex') {
1325: return $button.' \vskip 0 mm '.$output.' ';
1326: } else {
1327: $output =
1328: '<table><tr><td>'.$button.'</td>'.$output;
1329: if (!$no_previous) {
1330: $output.='<td>'.&previous_tries($id,$target).'</td>';
1331: }
1332: $output.= '</tr></table>';
1333: return $output;
1334: }
1335: }
1336: }
1337:
1338: sub previous_tries {
1339: my ($id,$target) = @_;
1340: my $output;
1341: my $status = $Apache::inputtags::status['-1'];
1342:
1343: my $count;
1344: my %count_lookup;
1345:
1346: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1347: my $prefix = $i.":resource.$id";
1348:
1349: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1350: $count++;
1351: $count_lookup{$i} = $count;
1352:
1353: my ($previousmsg,$latemessage,$message,$trystr);
1354:
1355: ($previousmsg,$latemessage,$message,$trystr) =
1356: &get_grade_messages($id,"$prefix",$target,$status);
1357:
1358: if ($previousmsg ne '') {
1359: my ($match,$which) = &find_which_previous($i);
1360: $message=$previousmsg;
1361: my $previous = $count_lookup{$which};
1362: $message =~ s{(</td>)}{ as submission \# $previous $1};
1363: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1364: if (!(&Apache::lonhomework::hide_problem_status()
1365: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1366: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1367: ) {
1368:
1369: my $txt_correct = &mt('Correct');
1370: $message =~ s{(<td.*?>)(.*?)(</td>)}
1371: {$1 <strong>$txt_correct</strong>. $3}s;
1372: }
1373: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1374: $message =~ s{(</td>)}{ $trystr $1};
1375: }
1376: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1377: $message =~ s{(<td.*?>)}{<td>};
1378:
1379:
1380: $output.='<tr class="'.$class.'">';
1381: $output.='<td align="center">'.$count.'</td>';
1382: $output.=$message;
1383:
1384: foreach my $resid (@Apache::inputtags::response) {
1385: my $prefix = $prefix.".$resid";
1386: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1387: my $submission =
1388: $Apache::inputtags::submission_display{"$prefix.submission"};
1389: if (!defined($submission)) {
1390: $submission =
1391: $Apache::lonhomework::history{"$prefix.submission"};
1392: }
1393: $output.='<td>'.$submission.'</td>';
1394: } else {
1395: $output.='<td></td>';
1396: }
1397: }
1398: $output.=&Apache::loncommon::end_data_table_row()."\n";
1399: }
1400: return if ($output eq '');
1401: my $headers =
1402: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1403: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1404: &mt('Submitted Answer').'</th>';
1405: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1406: #return $output;
1407: $output = &Apache::loncommon::js_ready($output);
1408: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
1409:
1410: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1411: my $pagetitle = 'Previous Tries';
1412: if ($env{'request.uri'} eq '/res/gci/gci/internal/submission.problem') {
1413: $pagetitle = 'Submission History';
1414: }
1415: my $start_page =
1416: &Apache::loncommon::start_page($pagetitle, undef,
1417: {'only_body' => 1,
1418: 'bgcolor' => '#FFFFFF',
1419: 'js_ready' => 1,
1420: 'inherit_jsmath' => 1, });
1421: my $end_page =
1422: &Apache::loncommon::end_page({'js_ready' => 1,});
1423: my $prefix = $env{'form.request.prefix'};
1424: $prefix =~ tr{.}{_};
1425: my $function_name = "LONCAPA_previous_tries_".$prefix.
1426: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1427: my $triestext = &mt('Previous Tries');
1428: if ($env{'request.uri'} eq '/res/gci/gci/internal/submission.problem') {
1429: $triestext = &mt('Submission History');
1430: }
1431: my $result ="<script type=\"text/javascript\">
1432: // <![CDATA[
1433: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1434: // ]]>
1435: </script><a href=\"javascript:$function_name();void(0);\">".$triestext."</a><br />";
1436: #use Data::Dumper;
1437: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1438: return $result;
1439: }
1440:
1441: 1;
1442: __END__
1443:
1444: =pod
1445:
1446: =back
1447:
1448: =cut
1449:
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