File:
[LON-CAPA] /
loncom /
homework /
inputtags.pm
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Sat Dec 6 12:49:12 2008 UTC (15 years, 6 months ago) by
bisitz
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CVS tags:
HEAD
- Separated HTML formats from translations:
Moved HTML tags from text to parameters and changed related German translations.
More changes like this needed.
- Added some missing translations, e.g. for lonprintout.pm
- Optimized/corrected some translations
1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.250 2008/12/06 12:49:12 bisitz 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: my $fieldname = $env{'request.symb'}.
393: '&part_'. $Apache::inputtags::part.
394: '&textresponse'.
395: '&HWVAL_' . $Apache::inputtags::response['-1'];
396: $result="\n\\\\\n".'\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
397: } else {
398: $result='\framebox['.$size.'][s]{\tiny\strut}';
399: }
400: } elsif ($target eq 'tex'
401: && $Apache::lonhomework::type eq 'exam'
402: && &needs_exam_box($tagstack)) {
403: $result.=&exam_box($target);
404: }
405: return $result;
406: }
407:
408: sub end_textline {
409: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
410: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
411: elsif ($target eq 'edit') { return ('','no'); }
412: &end_input();
413: return "";
414: }
415:
416: sub start_hiddenline {
417: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
418: my $result = "";
419: my $input_id = &start_input($parstack,$safeeval);
420: if ($target eq 'web') {
421: $Apache::lonxml::evaluate--;
422: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
423: my $partid=$Apache::inputtags::part;
424: my $id=$Apache::inputtags::response[-1];
425: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
426: if (ref($oldresponse) eq 'ARRAY') {
427: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
428: }
429: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
430:
431: if ($Apache::lonhomework::type ne 'exam') {
432: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
433: $oldresponse.'" />';
434: }
435: }
436: } elsif ($target eq 'edit') {
437: $result=&Apache::edit::tag_start($target,$token);
438: $result.=&Apache::edit::end_table;
439: }
440:
441: if ( ($target eq 'web' || $target eq 'tex')
442: && $Apache::lonhomework::type eq 'exam'
443: && &needs_exam_box($tagstack)) {
444: $result.=&exam_box($target);
445: }
446: return $result;
447: }
448:
449: sub end_hiddenline {
450: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
451: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
452: elsif ($target eq 'edit') { return ('','no'); }
453: &end_input();
454: return "";
455: }
456:
457: =pod
458:
459: =item file_selector()
460:
461: $part -> partid
462: $id -> responseid
463: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
464: $which -> 'uploadedonly' -> only newly uploaded files
465: 'portfolioonly' -> only allow files from portfolio
466: 'both' -> allow files from either location
467: $extratext -> additional text to go between the link and the input box
468: returns a table row <tr>
469:
470: =cut
471:
472: sub file_selector {
473: my ($part,$id,$uploadedfiletypes,$which,$extratext)=@_;
474: if (!$uploadedfiletypes) { return ''; }
475:
476: my $jspart=$part;
477: $jspart=~s/\./_/g;
478:
479: my $result;
480:
481: $result.='<tr><td>';
482: if ($uploadedfiletypes ne '*') {
483: $result.=
484: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
485: }
486: if ($which eq 'uploadonly' || $which eq 'both') {
487: $result.=&mt('Submit a file: (only one file can be uploaded)').
488: ' <br /><input type="file" size="50" name="HWFILE'.
489: $jspart.'_'.$id.'" /><br />';
490: $result .= &show_past_file_submission($part,$id);
491: }
492: if ( $which eq 'both') {
493: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
494: }
495: if ($which eq 'portfolioonly' || $which eq 'both') {
496: $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"))'."'".'>'.
497: &mt('Select Portfolio Files').'</a><br />'.
498: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
499: '<br />';
500: $result .= &show_past_portfile_submission($part,$id);
501:
502: }
503: $result.='</td></tr>';
504: return $result;
505: }
506:
507: sub show_past_file_submission {
508: my ($part,$id) = @_;
509: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
510:
511: return if (!$uploadedfile);
512:
513: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
514: &Apache::lonxml::extlink($url);
515: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
516: my $icon=&Apache::loncommon::icon($url);
517: my $curfile='<a href="'.$url.'"><img src="'.$icon.
518: '" border="0" />'.$uploadedfile.'</a>';
519: return &mt('Currently submitted: [_1]','<tt>'.$curfile.'</tt>');
520:
521: }
522:
523: sub show_past_portfile_submission {
524: my ($part,$id) = @_;
525: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}!~/[^\s]/){
526: return;
527: }
528: my (@file_list,@bad_file_list);
529: foreach my $file (split(/\s*,\s*/,&unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) {
530: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
531: my $url="/uploaded/$domain/$user/portfolio$file";
532: my $icon=&Apache::loncommon::icon($url);
533: push(@file_list,'<a href="'.$url.'"><img src="'.$icon.
534: '" border="0" />'.$file.'</a>');
535: if (! &Apache::lonnet::stat_file($url)) {
536: &Apache::lonnet::logthis("bad file is $url");
537: push(@bad_file_list,'<a href="'.$url.'"><img src="'.$icon.
538: '" border="0" />'.$file.'</a>');
539: }
540: }
541: my $files = '<span class="LC_filename">'.
542: join('</span>, <span class="LC_filename">',@file_list).
543: '</span>';
544: my $result = &mt("Portfolio files previously selected: [_1]",$files);
545: if (@bad_file_list) {
546: my $bad_files = '<span class="LC_filename">'.
547: join('</span>, <span class="LC_filename">',@bad_file_list).
548: '</span>';
549: $result.='<p><span class="LC_error">'
550: .&mt("These file(s) don't exist: [_1]",$bad_files)
551: .'</span></p>';
552: }
553: return $result;
554:
555: }
556:
557: sub valid_award {
558: my ($award) =@_;
559: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
560: 'NO_RESPONSE',
561: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
562: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
563: 'UNIT_FAIL', 'NO_UNIT',
564: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
565: 'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT',
566: 'MISORDERED_RANK', 'INVALID_FILETYPE',
567: 'EXCESS_FILESIZE', 'DRAFT',
568: 'SUBMITTED', 'ASSIGNED_SCORE',
569: 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
570: if ($award eq $possibleaward) { return 1; }
571: }
572: return 0;
573: }
574:
575: {
576: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
577: 'TOO_LONG',
578: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
579: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
580: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA',
581: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
582: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'DRAFT', 'SUBMITTED',
583: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
584: my $i=0;
585: my %fwd_awards = map { ($_,$i++) } @awards;
586: my $max=scalar(@awards);
587: @awards=reverse(@awards);
588: $i=0;
589: my %rev_awards = map { ($_,$i++) } @awards;
590:
591: sub awarddetail_to_awarded {
592: my ($awarddetail) = @_;
593: if ($awarddetail eq 'EXACT_ANS'
594: || $awarddetail eq 'APPROX_ANS') {
595: return 1;
596: }
597: return 0;
598: }
599:
600: sub hide_award {
601: my ($award) = @_;
602: if (&Apache::lonhomework::show_no_problem_status()) {
603: return 1;
604: }
605: if ($award =~
606: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|ASSIGNED_SCORE|INCORRECT)/) {
607: return 1;
608: }
609: return 0;
610: }
611:
612: sub finalizeawards {
613: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
614: my $result;
615: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
616: if ($result eq '' ) {
617: my $blankcount;
618: foreach my $award (@$awardref) {
619: if ($award eq '') {
620: $result='MISSING_ANSWER';
621: $blankcount++;
622: }
623: }
624: if ($blankcount == ($#$awardref + 1)) {
625: return ('NO_RESPONSE');
626: }
627: }
628: if (!$final_scantron && defined($result)) { return ($result); }
629:
630: # if in scantron mode, if the award for any response is
631: # assigned score, then the part gets an assigned score
632: if ($final_scantron
633: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
634: return ('ASSIGNED_SCORE');
635: }
636:
637: # if in scantron mode, if the award for any response is
638: # correct and there are non-correct responses,
639: # then the part gets an assigned score
640: if ($final_scantron
641: && (grep { $_ eq 'EXACT_ANS' ||
642: $_ eq 'APPROX_ANS' } (@$awardref))
643: && (grep { $_ ne 'EXACT_ANS' &&
644: $_ ne 'APPROX_ANS' } (@$awardref))) {
645: return ('ASSIGNED_SCORE');
646: }
647: # these awards are ordered from most important error through best correct
648: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
649:
650: my $best = $max;
651: my $j=0;
652: my $which;
653: foreach my $award (@$awardref) {
654: if ($awards->{$award} < $best) {
655: $best = $awards->{$award};
656: $which = $j;
657: }
658: $j++;
659: }
660:
661: if (defined($which)) {
662: if (ref($nameref)) {
663: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
664: } else {
665: return ($$awardref[$which],$$msgref[$which]);
666: }
667: }
668: return ('ERROR',undef);
669: }
670: }
671:
672: sub decideoutput {
673: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
674: my $message='';
675: my $button=0;
676: my $previousmsg;
677: my $css_class='orange';
678: my $added_computer_text=0;
679: my %possible_class =
680: ( 'correct' => 'LC_answer_correct',
681: 'charged_try' => 'LC_answer_charged_try',
682: 'not_charged_try' => 'LC_answer_not_charged_try',
683: 'no_grade' => 'LC_answer_no_grade',
684: 'no_message' => 'LC_no_message',
685: );
686:
687: my $part = $Apache::inputtags::part;
688: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
689: my $handgrade = ('yes' eq lc($tohandgrade));
690:
691: my $computer = ($handgrade)? ''
692: : " ".&mt("Computer's answer now shown above.");
693: &Apache::lonxml::debug("handgrade has :$handgrade:");
694:
695: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
696:
697: if ($solved =~ /^correct/) {
698: $css_class=$possible_class{'correct'};
699: $message=&mt('You are correct.');
700: if ($awarded < 1 && $awarded > 0) {
701: $message=&mt('You are partially correct.');
702: $css_class=$possible_class{'not_charged_try'};
703: } elsif ($awarded < 1) {
704: $message=&mt('Incorrect.');
705: $css_class=$possible_class{'charged_try'};
706: }
707: if ($env{'request.filename'} =~
708: m|/res/lib/templates/examupload.problem$|) {
709: $message = &mt("A score has been assigned.");
710: $added_computer_text=1;
711: } else {
712: if ($target eq 'tex') {
713: $message = '\textbf{'.$message.'}';
714: } else {
715: $message = "<b>".$message."</b>";
716: $message.= $computer;
717: }
718: $added_computer_text=1;
719: if ($awarded > 0) {
720: my ($symb) = &Apache::lonnet::whichuser();
721: if (($symb ne '')
722: &&
723: ($env{'course.'.$env{'request.course.id'}.
724: '.disable_receipt_display'} ne 'yes') &&
725: ($Apache::lonhomework::type ne 'practice')) {
726: $message.=(($target eq 'web')?'<br />':' ').
727: &mt('Your receipt is [_1]',
728: (&Apache::lonnet::receipt($Apache::inputtags::part).
729: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
730: }
731: }
732: }
733: $button=0;
734: $previousmsg='';
735: } elsif ($solved =~ /^excused/) {
736: if ($target eq 'tex') {
737: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
738: } else {
739: $message = "<b>".&mt('You are excused from the problem.')."</b>";
740: }
741: $css_class=$possible_class{'charged_try'};
742: $button=0;
743: $previousmsg='';
744: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
745: if ($solved =~ /^incorrect/ || $solved eq '') {
746: $message = &mt("Incorrect").".";
747: $css_class=$possible_class{'charged_try'};
748: $button=1;
749: } else {
750: if ($target eq 'tex') {
751: $message = '\textbf{'.&mt('You are correct.').'}';
752: } else {
753: $message = "<b>".&mt('You are correct.')."</b>";
754: $message.= $computer;
755: }
756: $added_computer_text=1;
757: if ($awarded > 0
758: && $env{'course.'.
759: $env{'request.course.id'}.
760: '.disable_receipt_display'} ne 'yes') {
761: $message.=(($target eq 'web')?'<br />':' ').
762: &mt('Your receipt is [_1]',
763: (&Apache::lonnet::receipt($Apache::inputtags::part).
764: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
765: }
766: $css_class=$possible_class{'correct'};
767: $button=0;
768: $previousmsg='';
769: }
770: } elsif ($award eq 'NO_RESPONSE') {
771: $message = '';
772: $css_class=$possible_class{'no_feedback'};
773: $button=1;
774: } elsif ($award eq 'EXTRA_ANSWER') {
775: $message = &mt('Some extra items were submitted.');
776: $css_class=$possible_class{'not_charged_try'};
777: $button = 1;
778: } elsif ($award eq 'MISSING_ANSWER') {
779: $message = &mt('Some items were not submitted.');
780: if ($target ne 'tex') {
781: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
782: }
783: $css_class=$possible_class{'not_charged_try'};
784: $button = 1;
785: } elsif ($award eq 'ERROR') {
786: $message = &mt('An error occurred while grading your answer.');
787: $css_class=$possible_class{'not_charged_try'};
788: $button = 1;
789: } elsif ($award eq 'TOO_LONG') {
790: $message = &mt("The submitted answer was too long.");
791: $css_class=$possible_class{'not_charged_try'};
792: $button=1;
793: } elsif ($award eq 'WANTED_NUMERIC') {
794: $message = &mt("This question expects a numeric answer.");
795: $css_class=$possible_class{'not_charged_try'};
796: $button=1;
797: } elsif ($award eq 'MISORDERED_RANK') {
798: $message = &mt('You have provided an invalid ranking.');
799: if ($target ne 'tex') {
800: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
801: }
802: $css_class=$possible_class{'not_charged_try'};
803: $button=1;
804: } elsif ($award eq 'EXCESS_FILESIZE') {
805: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
806: $css_class=$possible_class{'not_charged_try'};
807: $button=1;
808:
809: } elsif ($award eq 'INVALID_FILETYPE') {
810: $message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
811: $css_class=$possible_class{'not_charged_try'};
812: $button=1;
813: } elsif ($award eq 'SIG_FAIL') {
814: my ($used,$min,$max)=split(':',$awardmsg);
815: my $word = ($used < $min) ? 'more' : 'fewer';
816: $message = &mt("Submission not graded. Use $word digits.",$used);
817: $css_class=$possible_class{'not_charged_try'};
818: $button=1;
819: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
820: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
821: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
822: $css_class=$possible_class{'not_charged_try'};
823: $button=1;
824: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
825: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
826: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
827: $css_class=$possible_class{'not_charged_try'};
828: $button=1;
829: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
830: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
831: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
832: $css_class=$possible_class{'not_charged_try'};
833: $button=1;
834: } elsif ($award eq 'UNIT_NOTNEEDED') {
835: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
836: $css_class=$possible_class{'not_charged_try'};
837: $button=1;
838: } elsif ($award eq 'NO_UNIT') {
839: $message = &mt("Units required").'.';
840: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
841: $css_class=$possible_class{'not_charged_try'};
842: $button=1;
843: } elsif ($award eq 'COMMA_FAIL') {
844: $message = &mt("Proper comma separation is required").'.';
845: $css_class=$possible_class{'not_charged_try'};
846: $button=1;
847: } elsif ($award eq 'BAD_FORMULA') {
848: $message = &mt("Unable to understand formula").'.';
849: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
850: $css_class=$possible_class{'not_charged_try'};
851: $button=1;
852: } elsif ($award eq 'INCORRECT') {
853: $message = &mt("Incorrect").'.';
854: $css_class=$possible_class{'charged_try'};
855: $button=1;
856: } elsif ($award eq 'SUBMITTED') {
857: $message = &mt("Your submission has been recorded.");
858: $css_class=$possible_class{'no_grade'};
859: $button=1;
860: } elsif ($award eq 'DRAFT') {
861: $message = &mt("A draft copy has been saved.");
862: $css_class=$possible_class{'not_charged_try'};
863: $button=1;
864: } elsif ($award eq 'ASSIGNED_SCORE') {
865: $message = &mt("A score has been assigned.");
866: $css_class=$possible_class{'correct'};
867: $button=0;
868: } elsif ($award eq '') {
869: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
870: $message = &mt("Nothing submitted.");
871: $css_class=$possible_class{'charged_try'};
872: } else {
873: $css_class=$possible_class{'not_charged_try'};
874: }
875: $button=1;
876: } else {
877: $message = &mt("Unknown message").": $award";
878: $button=1;
879: }
880: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
881: foreach my $resid(@Apache::inputtags::response){
882: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
883: $message.='<br />';
884: my @files = split(/\s*,\s*/,
885: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
886: my $file_msg;
887: foreach my $file (@files) {
888: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
889: }
890: $message .= &mt('Returned file(s): [_1]',$file_msg);
891: }
892: }
893:
894: if (&Apache::lonhomework::hide_problem_status()
895: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
896: && &hide_award($award)) {
897: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
898: $css_class=$possible_class{'no_grade'};
899: $button=1;
900: }
901: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
902: !$added_computer_text && $target ne 'tex') {
903: $message.= $computer;
904: $added_computer_text=1;
905: }
906: if ($Apache::lonhomework::type eq 'practice') {
907: if ($target eq 'web') {
908: $message .= '<br />';
909: } else {
910: $message .= ' ';
911: }
912: $message.=&mt('Submissions to practice problems are not permanently recorded.');
913: }
914:
915: return ($button,$css_class,$message,$previousmsg);
916: }
917:
918: sub markup_unit {
919: my ($unit,$target)=@_;
920: if ($target eq 'tex') {
921: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
922: } else {
923: return "<tt>".$unit."</tt>";
924: }
925: }
926:
927: sub removealldata {
928: my ($id)=@_;
929: foreach my $key (keys(%Apache::lonhomework::results)) {
930: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
931: &Apache::lonxml::debug("Removing $key");
932: delete($Apache::lonhomework::results{$key});
933: }
934: }
935: }
936:
937: sub hidealldata {
938: my ($id)=@_;
939: foreach my $key (keys(%Apache::lonhomework::results)) {
940: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
941: &Apache::lonxml::debug("Hidding $key");
942: my $newkey=$key;
943: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
944: $Apache::lonhomework::results{$newkey}=
945: $Apache::lonhomework::results{$key};
946: delete($Apache::lonhomework::results{$key});
947: }
948: }
949: }
950:
951: sub setgradedata {
952: my ($award,$msg,$id,$previously_used) = @_;
953: if ($Apache::lonhomework::scantronmode &&
954: &Apache::lonnet::validCODE($env{'form.CODE'})) {
955: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
956: } elsif ($Apache::lonhomework::scantronmode &&
957: $env{'form.CODE'} eq '' &&
958: $Apache::lonhomework::history{"resource.CODE"} ne '') {
959: $Apache::lonhomework::results{"resource.CODE"}='';
960: }
961:
962: if (!$Apache::lonhomework::scantronmode &&
963: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
964: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
965: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
966: return '';
967: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
968: /^correct/
969: || $Apache::lonhomework::scantronmode
970: || &Apache::lonhomework::hide_problem_status() ) {
971: # the student doesn't already have it correct,
972: # or we are in a mode (scantron orno problem status) where a correct
973: # can become incorrect
974: # handle assignment of tries and solved status
975: my $solvemsg;
976: if ($Apache::lonhomework::scantronmode) {
977: $solvemsg='correct_by_scantron';
978: } else {
979: $solvemsg='correct_by_student';
980: }
981: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
982: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
983: }
984: if ( $award eq 'ASSIGNED_SCORE') {
985: $Apache::lonhomework::results{"resource.$id.tries"} =
986: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
987: $Apache::lonhomework::results{"resource.$id.solved"} =
988: $solvemsg;
989: my $numawards=scalar(@Apache::inputtags::response);
990: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
991: foreach my $res (@Apache::inputtags::response) {
992: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
993: $Apache::lonhomework::results{"resource.$id.awarded"}+=
994: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
995: } else {
996: $Apache::lonhomework::results{"resource.$id.awarded"}+=
997: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
998: }
999: }
1000: if ($numawards > 0) {
1001: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1002: $numawards;
1003: }
1004: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1005: $Apache::lonhomework::results{"resource.$id.tries"} =
1006: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1007: $Apache::lonhomework::results{"resource.$id.solved"} =
1008: $solvemsg;
1009: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1010: } elsif ( $award eq 'INCORRECT' ) {
1011: $Apache::lonhomework::results{"resource.$id.tries"} =
1012: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1013: if (&Apache::lonhomework::hide_problem_status()
1014: || $Apache::lonhomework::scantronmode) {
1015: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1016: }
1017: $Apache::lonhomework::results{"resource.$id.solved"} =
1018: 'incorrect_attempted';
1019: } elsif ( $award eq 'SUBMITTED' ) {
1020: $Apache::lonhomework::results{"resource.$id.tries"} =
1021: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1022: $Apache::lonhomework::results{"resource.$id.solved"} =
1023: 'ungraded_attempted';
1024: } elsif ( $award eq 'DRAFT' ) {
1025: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1026: } elsif ( $award eq 'NO_RESPONSE' ) {
1027: #no real response so delete any data that got stored
1028: &removealldata($id);
1029: return '';
1030: } else {
1031: $Apache::lonhomework::results{"resource.$id.solved"} =
1032: 'incorrect_attempted';
1033: if (&Apache::lonhomework::show_no_problem_status()
1034: || $Apache::lonhomework::scantronmode) {
1035: $Apache::lonhomework::results{"resource.$id.tries"} =
1036: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1037: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1038: }
1039:
1040: if (&Apache::lonhomework::show_some_problem_status()) {
1041: # clear out the awarded if they had gotten it wrong/right
1042: # and are now in an error mode
1043: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1044: }
1045: }
1046: if (defined($msg)) {
1047: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1048: }
1049: # did either of the overall awards chage? If so ignore the
1050: # previous check
1051: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1052: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1053: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1054: $Apache::lonhomework::history{"resource.$id.solved"})) {
1055: # check if this was a previous submission if it was delete the
1056: # unneeded data and update the previously_used attribute
1057: if ( $previously_used eq 'PREVIOUSLY_USED') {
1058: if (&Apache::lonhomework::show_problem_status()) {
1059: delete($Apache::lonhomework::results{"resource.$id.tries"});
1060: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1061: }
1062: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1063: #delete all data as they student didn't do anything, but save
1064: #the list of collaborators.
1065: &removealldata($id);
1066: #and since they didn't do anything we were never here
1067: return '';
1068: } else {
1069: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1070: }
1071: }
1072: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
1073: /^correct/ ) {
1074: #delete all data as they student already has it correct
1075: &removealldata($id);
1076: #and since they didn't do anything we were never here
1077: return '';
1078: }
1079: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1080: if ($award eq 'SUBMITTED') {
1081: &Apache::response::add_to_gradingqueue();
1082: }
1083: }
1084:
1085: sub find_which_previous {
1086: my ($version) = @_;
1087: my $part = $Apache::inputtags::part;
1088: my (@previous_version);
1089: foreach my $resp (@Apache::inputtags::response) {
1090: my $key = "$version:resource.$part.$resp.submission";
1091: my $submission = $Apache::lonhomework::history{$key};
1092: my %previous = &Apache::response::check_for_previous($submission,
1093: $part,$resp,
1094: $version);
1095: push(@previous_version,$previous{'version'});
1096: }
1097: return &previous_match(\@previous_version,
1098: scalar(@Apache::inputtags::response));
1099: }
1100:
1101: sub previous_match {
1102: my ($previous_array,$count) = @_;
1103: my $match = 0;
1104: my @matches;
1105: foreach my $versionar (@$previous_array) {
1106: foreach my $version (@$versionar) {
1107: $matches[$version]++;
1108: }
1109: }
1110: my $which=0;
1111: foreach my $elem (@matches) {
1112: if ($elem eq $count) {
1113: $match=1;
1114: last;
1115: }
1116: $which++;
1117: }
1118: return ($match,$which);
1119: }
1120:
1121: sub grade {
1122: my ($target) = @_;
1123: my $id = $Apache::inputtags::part;
1124: my $response='';
1125: if ( defined $env{'form.submitted'}) {
1126: my (@awards,@msgs);
1127: foreach $response (@Apache::inputtags::response) {
1128: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1129: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1130: &Apache::lonxml::debug("keeping $value from $response for $id");
1131: push (@awards,$value);
1132: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1133: &Apache::lonxml::debug("got message $value from $response for $id");
1134: push (@msgs,$value);
1135: }
1136: my ($finalaward,$msg) =
1137: &finalizeawards(\@awards,\@msgs,undef,undef,
1138: $Apache::lonhomework::scantronmode);
1139: my $previously_used;
1140: if ( $#Apache::inputtags::previous eq $#awards ) {
1141: my ($match) =
1142: &previous_match(\@Apache::inputtags::previous_version,
1143: scalar(@Apache::inputtags::response));
1144:
1145: if ($match) {
1146: $previously_used = 'PREVIOUSLY_LAST';
1147: foreach my $value (@Apache::inputtags::previous) {
1148: if ($value eq 'PREVIOUSLY_USED' ) {
1149: $previously_used = $value;
1150: last;
1151: }
1152: }
1153: }
1154: }
1155: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1156: &setgradedata($finalaward,$msg,$id,$previously_used);
1157: }
1158: return '';
1159: }
1160:
1161: sub get_grade_messages {
1162: my ($id,$prefix,$target,$status) = @_;
1163:
1164: my ($message,$latemessage,$trystr,$previousmsg);
1165: my $showbutton = 1;
1166:
1167: my $award = $Apache::lonhomework::history{"$prefix.award"};
1168: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1169: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1170: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1171: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1172: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1173: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1174: &Apache::lonxml::debug('Getting message');
1175: ($showbutton,my $css_class,$message,$previousmsg) =
1176: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1177: $target);
1178: if ($target eq 'tex') {
1179: $message='\vskip 2 mm '.$message.' ';
1180: } else {
1181: $message="<td class=\"$css_class\">$message</td>";
1182: if ($previousmsg) {
1183: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1184: }
1185: }
1186: }
1187: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1188: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1189: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1190: #if tries are set to negative turn off the Tries/Button and messages
1191: if (defined($maxtries) && $maxtries < 0) { return ''; }
1192: if ( $tries eq '' ) { $tries = '0'; }
1193: if ( $maxtries eq '' ) { $maxtries = '2'; }
1194: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1195: my $tries_text=&mt('Tries');
1196: if ( $Apache::lonhomework::type eq 'survey' ||
1197: $Apache::lonhomework::parsing_a_task) {
1198: $tries_text=&mt('Submissions');
1199: }
1200:
1201: if ($showbutton) {
1202: if ($target eq 'tex') {
1203: if ($env{'request.state'} ne "construct"
1204: && $Apache::lonhomework::type ne 'exam'
1205: && $env{'form.suppress_tries'} ne 'yes') {
1206: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.
1207: $tries.'/'.$maxtries.'} \vskip 2 mm ';
1208: } else {
1209: $trystr = '\vskip 0 mm ';
1210: }
1211: } else {
1212: $trystr = "<td><nobr>".$tries_text." $tries";
1213: if ($Apache::lonhomework::parsing_a_task) {
1214: } elsif($env{'request.state'} ne 'construct') {
1215: $trystr.="/$maxtries";
1216: } else {
1217: if (defined($Apache::inputtags::params{'maxtries'})) {
1218: $trystr.="/".$Apache::inputtags::params{'maxtries'};
1219: }
1220: }
1221: $trystr.="</nobr></td>";
1222: }
1223: }
1224:
1225: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1226: #last submissions was after due date
1227: $latemessage=&mt(' The last submission was after the Due Date ');;
1228: if ($target eq 'web') {
1229: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1230: }
1231: }
1232: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1233: }
1234:
1235: sub gradestatus {
1236: my ($id,$target,$no_previous) = @_;
1237: my $showbutton = 1;
1238: my $message = '';
1239: my $latemessage = '';
1240: my $trystr='';
1241: my $button='';
1242: my $previousmsg='';
1243:
1244: my $status = $Apache::inputtags::status['-1'];
1245: &Apache::lonxml::debug("gradestatus has :$status:");
1246: if ( $status ne 'CLOSED'
1247: && $status ne 'UNAVAILABLE'
1248: && $status ne 'INVALID_ACCESS'
1249: && $status ne 'NEEDS_CHECKIN'
1250: && $status ne 'NOT_IN_A_SLOT') {
1251:
1252: ($previousmsg,$latemessage,$message,$trystr) =
1253: &get_grade_messages($id,"resource.$id",$target,$status,
1254: $showbutton);
1255: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1256: $showbutton = 0;
1257: }
1258: if ( $status eq 'SHOW_ANSWER') {
1259: undef($previousmsg);
1260: }
1261: if ( $showbutton ) {
1262: if ($target ne 'tex') {
1263: $button =
1264: '<input
1265: onmouseup="javascript:setSubmittedPart(\''.$id.'\')"
1266: onsubmit="javascript:setSubmittedPart(\''.$id.'\')"
1267: type="submit" name="submit_'.$id.'"
1268: value="'.&mt('Submit Answer').'" />';
1269: }
1270: }
1271:
1272: }
1273: my $output= $previousmsg.$latemessage.$message.$trystr;
1274: if ($output =~ /^\s*$/) {
1275: return $button;
1276: } else {
1277: if ($target eq 'tex') {
1278: return $button.' \vskip 0 mm '.$output.' ';
1279: } else {
1280: $output =
1281: '<table><tr><td>'.$button.'</td>'.$output;
1282: if (!$no_previous) {
1283: $output.='<td>'.&previous_tries($id,$target).'</td>';
1284: }
1285: $output.= '</tr></table>';
1286: return $output;
1287: }
1288: }
1289: }
1290:
1291: sub previous_tries {
1292: my ($id,$target) = @_;
1293: my $output;
1294: my $status = $Apache::inputtags::status['-1'];
1295:
1296: my $count;
1297: my %count_lookup;
1298:
1299: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1300: my $prefix = $i.":resource.$id";
1301:
1302: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1303: $count++;
1304: $count_lookup{$i} = $count;
1305:
1306: my ($previousmsg,$latemessage,$message,$trystr);
1307:
1308: ($previousmsg,$latemessage,$message,$trystr) =
1309: &get_grade_messages($id,"$prefix",$target,$status);
1310:
1311: if ($previousmsg ne '') {
1312: my ($match,$which) = &find_which_previous($i);
1313: $message=$previousmsg;
1314: my $previous = $count_lookup{$which};
1315: $message =~ s{(</td>)}{ as submission \# $previous $1};
1316: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1317: if (!(&Apache::lonhomework::hide_problem_status()
1318: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1319: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1320: ) {
1321:
1322: my $txt_correct = &mt('Correct');
1323: $message =~ s{(<td.*?>)(.*?)(</td>)}
1324: {$1 <strong>$txt_correct</strong>. $3}s;
1325: }
1326: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1327: $message =~ s{(</td>)}{ $trystr $1};
1328: }
1329: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1330: $message =~ s{(<td.*?>)}{<td>};
1331:
1332:
1333: $output.='<tr class="'.$class.'">';
1334: $output.='<td align="center">'.$count.'</td>';
1335: $output.=$message;
1336:
1337: foreach my $resid (@Apache::inputtags::response) {
1338: my $prefix = $prefix.".$resid";
1339: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1340: my $submission =
1341: $Apache::inputtags::submission_display{"$prefix.submission"};
1342: if (!defined($submission)) {
1343: $submission =
1344: $Apache::lonhomework::history{"$prefix.submission"};
1345: }
1346: $output.='<td>'.$submission.'</td>';
1347: } else {
1348: $output.='<td></td>';
1349: }
1350: }
1351: $output.=&Apache::loncommon::end_data_table_row()."\n";
1352: }
1353: return if ($output eq '');
1354: my $headers =
1355: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1356: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1357: &mt('Submitted Answer').'</th>';
1358: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1359: #return $output;
1360: $output = &Apache::loncommon::js_ready($output);
1361: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
1362:
1363: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1364: my $start_page =
1365: &Apache::loncommon::start_page('Previous Tries', undef,
1366: {'only_body' => 1,
1367: 'bgcolor' => '#FFFFFF',
1368: 'js_ready' => 1,
1369: 'inherit_jsmath' => 1, });
1370: my $end_page =
1371: &Apache::loncommon::end_page({'js_ready' => 1,});
1372: my $prefix = $env{'form.request.prefix'};
1373: $prefix =~ tr{.}{_};
1374: my $function_name = "LONCAPA_previous_tries_".$prefix.
1375: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1376: my $result ="<script type=\"text/javascript\">
1377: // <![CDATA[
1378: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1379: // ]]>
1380: </script><a href=\"javascript:$function_name();void(0);\">".&mt("Previous Tries")."</a><br />";
1381: #use Data::Dumper;
1382: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1383: return $result;
1384: }
1385:
1386: 1;
1387: __END__
1388:
1389: =pod
1390:
1391: =back
1392:
1393: =cut
1394:
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