File:
[LON-CAPA] /
loncom /
homework /
inputtags.pm
Revision
1.252:
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select for diffs
Tue Dec 9 00:27:20 2008 UTC (15 years, 8 months ago) by
raeburn
Branches:
MAIN
CVS tags:
HEAD
- Bug 5719 (Size limits for File Upload in Essayresponse)
- &file_selector() accepts additional maxfilesize argument.
- Display message about limit to combined size of files which will be accepted.
1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.252 2008/12/09 00:27:20 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: 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 -> 'uploadonly' -> 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: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
469: returns a table row <tr>
470:
471: =cut
472:
473: sub file_selector {
474: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
475: if (!$uploadedfiletypes) { return ''; }
476:
477: my $jspart=$part;
478: $jspart=~s/\./_/g;
479:
480: my $result;
481:
482: $result.='<tr><td>';
483: if (($uploadedfiletypes ne '*') || ($maxfilesize)) {
484: if ($uploadedfiletypes ne '*') {
485: $result.=
486: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
487: }
488: if ($maxfilesize) {
489: $result.=&mt('Combined size of files not to exceed: [_1] MB[_2].',
490: '<b>'.$maxfilesize.'</b>').'<br />';
491: }
492: $result .= '<br />';
493: }
494: if ($which eq 'uploadonly' || $which eq 'both') {
495: $result.=&mt('Submit a file: (only one file can be uploaded)').
496: ' <br /><input type="file" size="50" name="HWFILE'.
497: $jspart.'_'.$id.'" /><br />';
498: $result .= &show_past_file_submission($part,$id);
499: }
500: if ( $which eq 'both') {
501: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
502: }
503: if ($which eq 'portfolioonly' || $which eq 'both') {
504: $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"))'."'".'>'.
505: &mt('Select Portfolio Files').'</a><br />'.
506: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
507: '<br />';
508: $result .= &show_past_portfile_submission($part,$id);
509: }
510: $result.='</td></tr>';
511: return $result;
512: }
513:
514: sub show_past_file_submission {
515: my ($part,$id) = @_;
516: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
517:
518: return if (!$uploadedfile);
519:
520: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
521: &Apache::lonxml::extlink($url);
522: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
523: my $icon=&Apache::loncommon::icon($url);
524: my $curfile='<a href="'.$url.'"><img src="'.$icon.
525: '" border="0" />'.$uploadedfile.'</a>';
526: return &mt('Currently submitted: [_1]','<tt>'.$curfile.'</tt>');
527:
528: }
529:
530: sub show_past_portfile_submission {
531: my ($part,$id) = @_;
532: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}!~/[^\s]/){
533: return;
534: }
535: my (@file_list,@bad_file_list);
536: foreach my $file (split(/\s*,\s*/,&unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) {
537: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
538: my $url="/uploaded/$domain/$user/portfolio$file";
539: my $icon=&Apache::loncommon::icon($url);
540: push(@file_list,'<a href="'.$url.'"><img src="'.$icon.
541: '" border="0" />'.$file.'</a>');
542: if (! &Apache::lonnet::stat_file($url)) {
543: &Apache::lonnet::logthis("bad file is $url");
544: push(@bad_file_list,'<a href="'.$url.'"><img src="'.$icon.
545: '" border="0" />'.$file.'</a>');
546: }
547: }
548: my $files = '<span class="LC_filename">'.
549: join('</span>, <span class="LC_filename">',@file_list).
550: '</span>';
551: my $result = &mt("Portfolio files previously selected: [_1]",$files);
552: if (@bad_file_list) {
553: my $bad_files = '<span class="LC_filename">'.
554: join('</span>, <span class="LC_filename">',@bad_file_list).
555: '</span>';
556: $result.='<p><span class="LC_error">'
557: .&mt("These file(s) don't exist: [_1]",$bad_files)
558: .'</span></p>';
559: }
560: return $result;
561:
562: }
563:
564: sub valid_award {
565: my ($award) =@_;
566: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
567: 'NO_RESPONSE',
568: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
569: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
570: 'UNIT_FAIL', 'NO_UNIT',
571: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
572: 'BAD_FORMULA', 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
573: 'MISORDERED_RANK', 'INVALID_FILETYPE',
574: 'EXCESS_FILESIZE', 'DRAFT',
575: 'SUBMITTED', 'ASSIGNED_SCORE',
576: 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
577: if ($award eq $possibleaward) { return 1; }
578: }
579: return 0;
580: }
581:
582: {
583: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
584: 'TOO_LONG',
585: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
586: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
587: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'INTERNAL_ERROR',
588: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
589: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'DRAFT', 'SUBMITTED',
590: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
591: my $i=0;
592: my %fwd_awards = map { ($_,$i++) } @awards;
593: my $max=scalar(@awards);
594: @awards=reverse(@awards);
595: $i=0;
596: my %rev_awards = map { ($_,$i++) } @awards;
597:
598: sub awarddetail_to_awarded {
599: my ($awarddetail) = @_;
600: if ($awarddetail eq 'EXACT_ANS'
601: || $awarddetail eq 'APPROX_ANS') {
602: return 1;
603: }
604: return 0;
605: }
606:
607: sub hide_award {
608: my ($award) = @_;
609: if (&Apache::lonhomework::show_no_problem_status()) {
610: return 1;
611: }
612: if ($award =~
613: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|ASSIGNED_SCORE|INCORRECT)/) {
614: return 1;
615: }
616: return 0;
617: }
618:
619: sub finalizeawards {
620: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
621: my $result;
622: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
623: if ($result eq '' ) {
624: my $blankcount;
625: foreach my $award (@$awardref) {
626: if ($award eq '') {
627: $result='MISSING_ANSWER';
628: $blankcount++;
629: }
630: }
631: if ($blankcount == ($#$awardref + 1)) {
632: return ('NO_RESPONSE');
633: }
634: }
635:
636: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
637:
638: if (!$final_scantron && defined($result)) { return ($result); }
639:
640: # if in scantron mode, if the award for any response is
641: # assigned score, then the part gets an assigned score
642: if ($final_scantron
643: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
644: return ('ASSIGNED_SCORE');
645: }
646:
647: # if in scantron mode, if the award for any response is
648: # correct and there are non-correct responses,
649: # then the part gets an assigned score
650: if ($final_scantron
651: && (grep { $_ eq 'EXACT_ANS' ||
652: $_ eq 'APPROX_ANS' } (@$awardref))
653: && (grep { $_ ne 'EXACT_ANS' &&
654: $_ ne 'APPROX_ANS' } (@$awardref))) {
655: return ('ASSIGNED_SCORE');
656: }
657: # these awards are ordered from most important error through best correct
658: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
659:
660: my $best = $max;
661: my $j=0;
662: my $which;
663: foreach my $award (@$awardref) {
664: if ($awards->{$award} < $best) {
665: $best = $awards->{$award};
666: $which = $j;
667: }
668: $j++;
669: }
670:
671: if (defined($which)) {
672: if (ref($nameref)) {
673: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
674: } else {
675: return ($$awardref[$which],$$msgref[$which]);
676: }
677: }
678: return ('ERROR',undef);
679: }
680: }
681:
682: sub decideoutput {
683: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
684:
685: my $message='';
686: my $button=0;
687: my $previousmsg;
688: my $css_class='orange';
689: my $added_computer_text=0;
690: my %possible_class =
691: ( 'correct' => 'LC_answer_correct',
692: 'charged_try' => 'LC_answer_charged_try',
693: 'not_charged_try' => 'LC_answer_not_charged_try',
694: 'no_grade' => 'LC_answer_no_grade',
695: 'no_message' => 'LC_no_message',
696: );
697:
698: my $part = $Apache::inputtags::part;
699: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
700: my $handgrade = ('yes' eq lc($tohandgrade));
701:
702: my $computer = ($handgrade)? ''
703: : " ".&mt("Computer's answer now shown above.");
704: &Apache::lonxml::debug("handgrade has :$handgrade:");
705:
706: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
707:
708: if ($solved =~ /^correct/) {
709: $css_class=$possible_class{'correct'};
710: $message=&mt('You are correct.');
711: if ($awarded < 1 && $awarded > 0) {
712: $message=&mt('You are partially correct.');
713: $css_class=$possible_class{'not_charged_try'};
714: } elsif ($awarded < 1) {
715: $message=&mt('Incorrect.');
716: $css_class=$possible_class{'charged_try'};
717: }
718: if ($env{'request.filename'} =~
719: m|/res/lib/templates/examupload.problem$|) {
720: $message = &mt("A score has been assigned.");
721: $added_computer_text=1;
722: } else {
723: if ($target eq 'tex') {
724: $message = '\textbf{'.$message.'}';
725: } else {
726: $message = "<b>".$message."</b>";
727: $message.= $computer;
728: }
729: $added_computer_text=1;
730: if ($awarded > 0) {
731: my ($symb) = &Apache::lonnet::whichuser();
732: if (($symb ne '')
733: &&
734: ($env{'course.'.$env{'request.course.id'}.
735: '.disable_receipt_display'} ne 'yes') &&
736: ($Apache::lonhomework::type ne 'practice')) {
737: $message.=(($target eq 'web')?'<br />':' ').
738: &mt('Your receipt is [_1]',
739: (&Apache::lonnet::receipt($Apache::inputtags::part).
740: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
741: }
742: }
743: }
744: $button=0;
745: $previousmsg='';
746: } elsif ($solved =~ /^excused/) {
747: if ($target eq 'tex') {
748: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
749: } else {
750: $message = "<b>".&mt('You are excused from the problem.')."</b>";
751: }
752: $css_class=$possible_class{'charged_try'};
753: $button=0;
754: $previousmsg='';
755: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
756: if ($solved =~ /^incorrect/ || $solved eq '') {
757: $message = &mt("Incorrect").".";
758: $css_class=$possible_class{'charged_try'};
759: $button=1;
760: } else {
761: if ($target eq 'tex') {
762: $message = '\textbf{'.&mt('You are correct.').'}';
763: } else {
764: $message = "<b>".&mt('You are correct.')."</b>";
765: $message.= $computer;
766: }
767: $added_computer_text=1;
768: if ($awarded > 0
769: && $env{'course.'.
770: $env{'request.course.id'}.
771: '.disable_receipt_display'} ne 'yes') {
772: $message.=(($target eq 'web')?'<br />':' ').
773: &mt('Your receipt is [_1]',
774: (&Apache::lonnet::receipt($Apache::inputtags::part).
775: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
776: }
777: $css_class=$possible_class{'correct'};
778: $button=0;
779: $previousmsg='';
780: }
781: } elsif ($award eq 'NO_RESPONSE') {
782: $message = '';
783: $css_class=$possible_class{'no_feedback'};
784: $button=1;
785: } elsif ($award eq 'EXTRA_ANSWER') {
786: $message = &mt('Some extra items were submitted.');
787: $css_class=$possible_class{'not_charged_try'};
788: $button = 1;
789: } elsif ($award eq 'MISSING_ANSWER') {
790: $message = &mt('Some items were not submitted.');
791: if ($target ne 'tex') {
792: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
793: }
794: $css_class=$possible_class{'not_charged_try'};
795: $button = 1;
796: } elsif ($award eq 'ERROR') {
797: $message = &mt('An error occurred while grading your answer.');
798: $css_class=$possible_class{'not_charged_try'};
799: $button = 1;
800: } elsif ($award eq 'TOO_LONG') {
801: $message = &mt("The submitted answer was too long.");
802: $css_class=$possible_class{'not_charged_try'};
803: $button=1;
804: } elsif ($award eq 'WANTED_NUMERIC') {
805: $message = &mt("This question expects a numeric answer.");
806: $css_class=$possible_class{'not_charged_try'};
807: $button=1;
808: } elsif ($award eq 'MISORDERED_RANK') {
809: $message = &mt('You have provided an invalid ranking.');
810: if ($target ne 'tex') {
811: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
812: }
813: $css_class=$possible_class{'not_charged_try'};
814: $button=1;
815: } elsif ($award eq 'EXCESS_FILESIZE') {
816: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
817: $css_class=$possible_class{'not_charged_try'};
818: $button=1;
819: } elsif ($award eq 'INVALID_FILETYPE') {
820: $message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
821: $css_class=$possible_class{'not_charged_try'};
822: $button=1;
823: } elsif ($award eq 'SIG_FAIL') {
824: my ($used,$min,$max)=split(':',$awardmsg);
825: my $word = ($used < $min) ? 'more' : 'fewer';
826: $message = &mt("Submission not graded. Use $word digits.",$used);
827: $css_class=$possible_class{'not_charged_try'};
828: $button=1;
829: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
830: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
831: if ($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_INVALID_STUDENT') {
835: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
836: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
837: $css_class=$possible_class{'not_charged_try'};
838: $button=1;
839: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
840: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
841: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
842: $css_class=$possible_class{'not_charged_try'};
843: $button=1;
844: } elsif ($award eq 'UNIT_NOTNEEDED') {
845: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
846: $css_class=$possible_class{'not_charged_try'};
847: $button=1;
848: } elsif ($award eq 'NO_UNIT') {
849: $message = &mt("Units required").'.';
850: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
851: $css_class=$possible_class{'not_charged_try'};
852: $button=1;
853: } elsif ($award eq 'COMMA_FAIL') {
854: $message = &mt("Proper comma separation is required").'.';
855: $css_class=$possible_class{'not_charged_try'};
856: $button=1;
857: } elsif ($award eq 'BAD_FORMULA') {
858: $message = &mt("Unable to understand formula").'.';
859: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
860: $css_class=$possible_class{'not_charged_try'};
861: $button=1;
862: } elsif ($award eq 'INTERNAL_ERROR') {
863: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
864: $css_class=$possible_class{'not_charged_try'};
865: $button=1;
866: } elsif ($award eq 'INCORRECT') {
867: $message = &mt("Incorrect").'.';
868: $css_class=$possible_class{'charged_try'};
869: $button=1;
870: } elsif ($award eq 'SUBMITTED') {
871: $message = &mt("Your submission has been recorded.");
872: $css_class=$possible_class{'no_grade'};
873: $button=1;
874: } elsif ($award eq 'DRAFT') {
875: $message = &mt("A draft copy has been saved.");
876: $css_class=$possible_class{'not_charged_try'};
877: $button=1;
878: } elsif ($award eq 'ASSIGNED_SCORE') {
879: $message = &mt("A score has been assigned.");
880: $css_class=$possible_class{'correct'};
881: $button=0;
882: } elsif ($award eq '') {
883: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
884: $message = &mt("Nothing submitted.");
885: $css_class=$possible_class{'charged_try'};
886: } else {
887: $css_class=$possible_class{'not_charged_try'};
888: }
889: $button=1;
890: } else {
891: $message = &mt("Unknown message").": $award";
892: $button=1;
893: }
894: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
895: foreach my $resid(@Apache::inputtags::response){
896: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
897: $message.='<br />';
898: my @files = split(/\s*,\s*/,
899: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
900: my $file_msg;
901: foreach my $file (@files) {
902: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
903: }
904: $message .= &mt('Returned file(s): [_1]',$file_msg);
905: }
906: }
907:
908: if (&Apache::lonhomework::hide_problem_status()
909: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
910: && &hide_award($award)) {
911: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
912: $css_class=$possible_class{'no_grade'};
913: $button=1;
914: }
915: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
916: !$added_computer_text && $target ne 'tex') {
917: $message.= $computer;
918: $added_computer_text=1;
919: }
920: if ($Apache::lonhomework::type eq 'practice') {
921: if ($target eq 'web') {
922: $message .= '<br />';
923: } else {
924: $message .= ' ';
925: }
926: $message.=&mt('Submissions to practice problems are not permanently recorded.');
927: }
928:
929: return ($button,$css_class,$message,$previousmsg);
930: }
931:
932: sub markup_unit {
933: my ($unit,$target)=@_;
934: if ($target eq 'tex') {
935: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
936: } else {
937: return "<tt>".$unit."</tt>";
938: }
939: }
940:
941: sub removealldata {
942: my ($id)=@_;
943: foreach my $key (keys(%Apache::lonhomework::results)) {
944: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
945: &Apache::lonxml::debug("Removing $key");
946: delete($Apache::lonhomework::results{$key});
947: }
948: }
949: }
950:
951: sub hidealldata {
952: my ($id)=@_;
953: foreach my $key (keys(%Apache::lonhomework::results)) {
954: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
955: &Apache::lonxml::debug("Hidding $key");
956: my $newkey=$key;
957: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
958: $Apache::lonhomework::results{$newkey}=
959: $Apache::lonhomework::results{$key};
960: delete($Apache::lonhomework::results{$key});
961: }
962: }
963: }
964:
965: sub setgradedata {
966: my ($award,$msg,$id,$previously_used) = @_;
967: if ($Apache::lonhomework::scantronmode &&
968: &Apache::lonnet::validCODE($env{'form.CODE'})) {
969: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
970: } elsif ($Apache::lonhomework::scantronmode &&
971: $env{'form.CODE'} eq '' &&
972: $Apache::lonhomework::history{"resource.CODE"} ne '') {
973: $Apache::lonhomework::results{"resource.CODE"}='';
974: }
975:
976: if (!$Apache::lonhomework::scantronmode &&
977: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
978: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
979: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
980: return '';
981: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
982: /^correct/
983: || $Apache::lonhomework::scantronmode
984: || &Apache::lonhomework::hide_problem_status() ) {
985: # the student doesn't already have it correct,
986: # or we are in a mode (scantron orno problem status) where a correct
987: # can become incorrect
988: # handle assignment of tries and solved status
989: my $solvemsg;
990: if ($Apache::lonhomework::scantronmode) {
991: $solvemsg='correct_by_scantron';
992: } else {
993: $solvemsg='correct_by_student';
994: }
995: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
996: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
997: }
998: if ( $award eq 'ASSIGNED_SCORE') {
999: $Apache::lonhomework::results{"resource.$id.tries"} =
1000: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1001: $Apache::lonhomework::results{"resource.$id.solved"} =
1002: $solvemsg;
1003: my $numawards=scalar(@Apache::inputtags::response);
1004: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1005: foreach my $res (@Apache::inputtags::response) {
1006: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1007: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1008: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1009: } else {
1010: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1011: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1012: }
1013: }
1014: if ($numawards > 0) {
1015: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1016: $numawards;
1017: }
1018: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1019: $Apache::lonhomework::results{"resource.$id.tries"} =
1020: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1021: $Apache::lonhomework::results{"resource.$id.solved"} =
1022: $solvemsg;
1023: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1024: } elsif ( $award eq 'INCORRECT' ) {
1025: $Apache::lonhomework::results{"resource.$id.tries"} =
1026: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1027: if (&Apache::lonhomework::hide_problem_status()
1028: || $Apache::lonhomework::scantronmode) {
1029: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1030: }
1031: $Apache::lonhomework::results{"resource.$id.solved"} =
1032: 'incorrect_attempted';
1033: } elsif ( $award eq 'SUBMITTED' ) {
1034: $Apache::lonhomework::results{"resource.$id.tries"} =
1035: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1036: $Apache::lonhomework::results{"resource.$id.solved"} =
1037: 'ungraded_attempted';
1038: } elsif ( $award eq 'DRAFT' ) {
1039: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1040: } elsif ( $award eq 'NO_RESPONSE' ) {
1041: #no real response so delete any data that got stored
1042: &removealldata($id);
1043: return '';
1044: } else {
1045: $Apache::lonhomework::results{"resource.$id.solved"} =
1046: 'incorrect_attempted';
1047: if (&Apache::lonhomework::show_no_problem_status()
1048: || $Apache::lonhomework::scantronmode) {
1049: $Apache::lonhomework::results{"resource.$id.tries"} =
1050: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1051: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1052: }
1053:
1054: if (&Apache::lonhomework::show_some_problem_status()) {
1055: # clear out the awarded if they had gotten it wrong/right
1056: # and are now in an error mode
1057: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1058: }
1059: }
1060: if (defined($msg)) {
1061: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1062: }
1063: # did either of the overall awards chage? If so ignore the
1064: # previous check
1065: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1066: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1067: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1068: $Apache::lonhomework::history{"resource.$id.solved"})) {
1069: # check if this was a previous submission if it was delete the
1070: # unneeded data and update the previously_used attribute
1071: if ( $previously_used eq 'PREVIOUSLY_USED') {
1072: if (&Apache::lonhomework::show_problem_status()) {
1073: delete($Apache::lonhomework::results{"resource.$id.tries"});
1074: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1075: }
1076: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1077: #delete all data as they student didn't do anything, but save
1078: #the list of collaborators.
1079: &removealldata($id);
1080: #and since they didn't do anything we were never here
1081: return '';
1082: } else {
1083: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1084: }
1085: }
1086: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
1087: /^correct/ ) {
1088: #delete all data as they student already has it correct
1089: &removealldata($id);
1090: #and since they didn't do anything we were never here
1091: return '';
1092: }
1093: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1094: if ($award eq 'SUBMITTED') {
1095: &Apache::response::add_to_gradingqueue();
1096: }
1097: }
1098:
1099: sub find_which_previous {
1100: my ($version) = @_;
1101: my $part = $Apache::inputtags::part;
1102: my (@previous_version);
1103: foreach my $resp (@Apache::inputtags::response) {
1104: my $key = "$version:resource.$part.$resp.submission";
1105: my $submission = $Apache::lonhomework::history{$key};
1106: my %previous = &Apache::response::check_for_previous($submission,
1107: $part,$resp,
1108: $version);
1109: push(@previous_version,$previous{'version'});
1110: }
1111: return &previous_match(\@previous_version,
1112: scalar(@Apache::inputtags::response));
1113: }
1114:
1115: sub previous_match {
1116: my ($previous_array,$count) = @_;
1117: my $match = 0;
1118: my @matches;
1119: foreach my $versionar (@$previous_array) {
1120: foreach my $version (@$versionar) {
1121: $matches[$version]++;
1122: }
1123: }
1124: my $which=0;
1125: foreach my $elem (@matches) {
1126: if ($elem eq $count) {
1127: $match=1;
1128: last;
1129: }
1130: $which++;
1131: }
1132: return ($match,$which);
1133: }
1134:
1135: sub grade {
1136: my ($target) = @_;
1137: my $id = $Apache::inputtags::part;
1138: my $response='';
1139: if ( defined $env{'form.submitted'}) {
1140: my (@awards,@msgs);
1141: foreach $response (@Apache::inputtags::response) {
1142: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1143: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1144: &Apache::lonxml::debug("keeping $value from $response for $id");
1145: push (@awards,$value);
1146: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1147: &Apache::lonxml::debug("got message $value from $response for $id");
1148: push (@msgs,$value);
1149: }
1150: my ($finalaward,$msg) =
1151: &finalizeawards(\@awards,\@msgs,undef,undef,
1152: $Apache::lonhomework::scantronmode);
1153: my $previously_used;
1154: if ( $#Apache::inputtags::previous eq $#awards ) {
1155: my ($match) =
1156: &previous_match(\@Apache::inputtags::previous_version,
1157: scalar(@Apache::inputtags::response));
1158:
1159: if ($match) {
1160: $previously_used = 'PREVIOUSLY_LAST';
1161: foreach my $value (@Apache::inputtags::previous) {
1162: if ($value eq 'PREVIOUSLY_USED' ) {
1163: $previously_used = $value;
1164: last;
1165: }
1166: }
1167: }
1168: }
1169: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1170: &setgradedata($finalaward,$msg,$id,$previously_used);
1171: }
1172: return '';
1173: }
1174:
1175: sub get_grade_messages {
1176: my ($id,$prefix,$target,$status) = @_;
1177:
1178: my ($message,$latemessage,$trystr,$previousmsg);
1179: my $showbutton = 1;
1180:
1181: my $award = $Apache::lonhomework::history{"$prefix.award"};
1182: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1183: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1184: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1185: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1186: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1187: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1188: &Apache::lonxml::debug('Getting message');
1189: ($showbutton,my $css_class,$message,$previousmsg) =
1190: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1191: $target);
1192: if ($target eq 'tex') {
1193: $message='\vskip 2 mm '.$message.' ';
1194: } else {
1195: $message="<td class=\"$css_class\">$message</td>";
1196: if ($previousmsg) {
1197: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1198: }
1199: }
1200: }
1201: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1202: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1203: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1204: #if tries are set to negative turn off the Tries/Button and messages
1205: if (defined($maxtries) && $maxtries < 0) { return ''; }
1206: if ( $tries eq '' ) { $tries = '0'; }
1207: if ( $maxtries eq '' ) { $maxtries = '2'; }
1208: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1209: my $tries_text=&mt('Tries');
1210: if ( $Apache::lonhomework::type eq 'survey' ||
1211: $Apache::lonhomework::parsing_a_task) {
1212: $tries_text=&mt('Submissions');
1213: }
1214:
1215: if ($showbutton) {
1216: if ($target eq 'tex') {
1217: if ($env{'request.state'} ne "construct"
1218: && $Apache::lonhomework::type ne 'exam'
1219: && $env{'form.suppress_tries'} ne 'yes') {
1220: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.
1221: $tries.'/'.$maxtries.'} \vskip 2 mm ';
1222: } else {
1223: $trystr = '\vskip 0 mm ';
1224: }
1225: } else {
1226: $trystr = "<td><nobr>".$tries_text." $tries";
1227: if ($Apache::lonhomework::parsing_a_task) {
1228: } elsif($env{'request.state'} ne 'construct') {
1229: $trystr.="/$maxtries";
1230: } else {
1231: if (defined($Apache::inputtags::params{'maxtries'})) {
1232: $trystr.="/".$Apache::inputtags::params{'maxtries'};
1233: }
1234: }
1235: $trystr.="</nobr></td>";
1236: }
1237: }
1238:
1239: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1240: #last submissions was after due date
1241: $latemessage=&mt(' The last submission was after the Due Date ');;
1242: if ($target eq 'web') {
1243: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1244: }
1245: }
1246: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1247: }
1248:
1249: sub gradestatus {
1250: my ($id,$target,$no_previous) = @_;
1251: my $showbutton = 1;
1252: my $message = '';
1253: my $latemessage = '';
1254: my $trystr='';
1255: my $button='';
1256: my $previousmsg='';
1257:
1258: my $status = $Apache::inputtags::status['-1'];
1259: &Apache::lonxml::debug("gradestatus has :$status:");
1260: if ( $status ne 'CLOSED'
1261: && $status ne 'UNAVAILABLE'
1262: && $status ne 'INVALID_ACCESS'
1263: && $status ne 'NEEDS_CHECKIN'
1264: && $status ne 'NOT_IN_A_SLOT') {
1265:
1266: ($previousmsg,$latemessage,$message,$trystr) =
1267: &get_grade_messages($id,"resource.$id",$target,$status,
1268: $showbutton);
1269: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1270: $showbutton = 0;
1271: }
1272: if ( $status eq 'SHOW_ANSWER') {
1273: undef($previousmsg);
1274: }
1275: if ( $showbutton ) {
1276: if ($target ne 'tex') {
1277: $button =
1278: '<input
1279: onmouseup="javascript:setSubmittedPart(\''.$id.'\')"
1280: onsubmit="javascript:setSubmittedPart(\''.$id.'\')"
1281: type="submit" name="submit_'.$id.'"
1282: value="'.&mt('Submit Answer').'" />';
1283: }
1284: }
1285:
1286: }
1287: my $output= $previousmsg.$latemessage.$message.$trystr;
1288: if ($output =~ /^\s*$/) {
1289: return $button;
1290: } else {
1291: if ($target eq 'tex') {
1292: return $button.' \vskip 0 mm '.$output.' ';
1293: } else {
1294: $output =
1295: '<table><tr><td>'.$button.'</td>'.$output;
1296: if (!$no_previous) {
1297: $output.='<td>'.&previous_tries($id,$target).'</td>';
1298: }
1299: $output.= '</tr></table>';
1300: return $output;
1301: }
1302: }
1303: }
1304:
1305: sub previous_tries {
1306: my ($id,$target) = @_;
1307: my $output;
1308: my $status = $Apache::inputtags::status['-1'];
1309:
1310: my $count;
1311: my %count_lookup;
1312:
1313: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1314: my $prefix = $i.":resource.$id";
1315:
1316: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1317: $count++;
1318: $count_lookup{$i} = $count;
1319:
1320: my ($previousmsg,$latemessage,$message,$trystr);
1321:
1322: ($previousmsg,$latemessage,$message,$trystr) =
1323: &get_grade_messages($id,"$prefix",$target,$status);
1324:
1325: if ($previousmsg ne '') {
1326: my ($match,$which) = &find_which_previous($i);
1327: $message=$previousmsg;
1328: my $previous = $count_lookup{$which};
1329: $message =~ s{(</td>)}{ as submission \# $previous $1};
1330: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1331: if (!(&Apache::lonhomework::hide_problem_status()
1332: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1333: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1334: ) {
1335:
1336: my $txt_correct = &mt('Correct');
1337: $message =~ s{(<td.*?>)(.*?)(</td>)}
1338: {$1 <strong>$txt_correct</strong>. $3}s;
1339: }
1340: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1341: $message =~ s{(</td>)}{ $trystr $1};
1342: }
1343: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1344: $message =~ s{(<td.*?>)}{<td>};
1345:
1346:
1347: $output.='<tr class="'.$class.'">';
1348: $output.='<td align="center">'.$count.'</td>';
1349: $output.=$message;
1350:
1351: foreach my $resid (@Apache::inputtags::response) {
1352: my $prefix = $prefix.".$resid";
1353: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1354: my $submission =
1355: $Apache::inputtags::submission_display{"$prefix.submission"};
1356: if (!defined($submission)) {
1357: $submission =
1358: $Apache::lonhomework::history{"$prefix.submission"};
1359: }
1360: $output.='<td>'.$submission.'</td>';
1361: } else {
1362: $output.='<td></td>';
1363: }
1364: }
1365: $output.=&Apache::loncommon::end_data_table_row()."\n";
1366: }
1367: return if ($output eq '');
1368: my $headers =
1369: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1370: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1371: &mt('Submitted Answer').'</th>';
1372: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1373: #return $output;
1374: $output = &Apache::loncommon::js_ready($output);
1375: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
1376:
1377: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1378: my $start_page =
1379: &Apache::loncommon::start_page('Previous Tries', undef,
1380: {'only_body' => 1,
1381: 'bgcolor' => '#FFFFFF',
1382: 'js_ready' => 1,
1383: 'inherit_jsmath' => 1, });
1384: my $end_page =
1385: &Apache::loncommon::end_page({'js_ready' => 1,});
1386: my $prefix = $env{'form.request.prefix'};
1387: $prefix =~ tr{.}{_};
1388: my $function_name = "LONCAPA_previous_tries_".$prefix.
1389: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1390: my $result ="<script type=\"text/javascript\">
1391: // <![CDATA[
1392: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1393: // ]]>
1394: </script><a href=\"javascript:$function_name();void(0);\">".&mt("Previous Tries")."</a><br />";
1395: #use Data::Dumper;
1396: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1397: return $result;
1398: }
1399:
1400: 1;
1401: __END__
1402:
1403: =pod
1404:
1405: =back
1406:
1407: =cut
1408:
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