1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.249 2008/11/25 13:16:17 jms 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: <b>[_1]</b>',$uploadedfiletypes).'<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: <tt>[_1]</tt>',$curfile);
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.='<br />'.&mt('<span class="LC_error">These file(s) don\'t exist:</span> [_1]',$bad_files);
550: }
551: return $result;
552:
553: }
554:
555: sub valid_award {
556: my ($award) =@_;
557: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
558: 'NO_RESPONSE',
559: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
560: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
561: 'UNIT_FAIL', 'NO_UNIT',
562: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
563: 'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT',
564: 'MISORDERED_RANK', 'INVALID_FILETYPE',
565: 'EXCESS_FILESIZE', 'DRAFT',
566: 'SUBMITTED', 'ASSIGNED_SCORE',
567: 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
568: if ($award eq $possibleaward) { return 1; }
569: }
570: return 0;
571: }
572:
573: {
574: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
575: 'TOO_LONG',
576: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
577: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
578: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA',
579: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
580: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'DRAFT', 'SUBMITTED',
581: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
582: my $i=0;
583: my %fwd_awards = map { ($_,$i++) } @awards;
584: my $max=scalar(@awards);
585: @awards=reverse(@awards);
586: $i=0;
587: my %rev_awards = map { ($_,$i++) } @awards;
588:
589: sub awarddetail_to_awarded {
590: my ($awarddetail) = @_;
591: if ($awarddetail eq 'EXACT_ANS'
592: || $awarddetail eq 'APPROX_ANS') {
593: return 1;
594: }
595: return 0;
596: }
597:
598: sub hide_award {
599: my ($award) = @_;
600: if (&Apache::lonhomework::show_no_problem_status()) {
601: return 1;
602: }
603: if ($award =~
604: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|ASSIGNED_SCORE|INCORRECT)/) {
605: return 1;
606: }
607: return 0;
608: }
609:
610: sub finalizeawards {
611: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
612: my $result;
613: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
614: if ($result eq '' ) {
615: my $blankcount;
616: foreach my $award (@$awardref) {
617: if ($award eq '') {
618: $result='MISSING_ANSWER';
619: $blankcount++;
620: }
621: }
622: if ($blankcount == ($#$awardref + 1)) {
623: return ('NO_RESPONSE');
624: }
625: }
626: if (!$final_scantron && defined($result)) { return ($result); }
627:
628: # if in scantron mode, if the award for any response is
629: # assigned score, then the part gets an assigned score
630: if ($final_scantron
631: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
632: return ('ASSIGNED_SCORE');
633: }
634:
635: # if in scantron mode, if the award for any response is
636: # correct and there are non-correct responses,
637: # then the part gets an assigned score
638: if ($final_scantron
639: && (grep { $_ eq 'EXACT_ANS' ||
640: $_ eq 'APPROX_ANS' } (@$awardref))
641: && (grep { $_ ne 'EXACT_ANS' &&
642: $_ ne 'APPROX_ANS' } (@$awardref))) {
643: return ('ASSIGNED_SCORE');
644: }
645: # these awards are ordered from most important error through best correct
646: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
647:
648: my $best = $max;
649: my $j=0;
650: my $which;
651: foreach my $award (@$awardref) {
652: if ($awards->{$award} < $best) {
653: $best = $awards->{$award};
654: $which = $j;
655: }
656: $j++;
657: }
658:
659: if (defined($which)) {
660: if (ref($nameref)) {
661: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
662: } else {
663: return ($$awardref[$which],$$msgref[$which]);
664: }
665: }
666: return ('ERROR',undef);
667: }
668: }
669:
670: sub decideoutput {
671: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
672: my $message='';
673: my $button=0;
674: my $previousmsg;
675: my $css_class='orange';
676: my $added_computer_text=0;
677: my %possible_class =
678: ( 'correct' => 'LC_answer_correct',
679: 'charged_try' => 'LC_answer_charged_try',
680: 'not_charged_try' => 'LC_answer_not_charged_try',
681: 'no_grade' => 'LC_answer_no_grade',
682: 'no_message' => 'LC_no_message',
683: );
684:
685: my $part = $Apache::inputtags::part;
686: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
687: my $handgrade = ('yes' eq lc($tohandgrade));
688:
689: my $computer = ($handgrade)? ''
690: : " ".&mt("Computer's answer now shown above.");
691: &Apache::lonxml::debug("handgrade has :$handgrade:");
692:
693: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
694:
695: if ($solved =~ /^correct/) {
696: $css_class=$possible_class{'correct'};
697: $message=&mt('You are correct.');
698: if ($awarded < 1 && $awarded > 0) {
699: $message=&mt('You are partially correct.');
700: $css_class=$possible_class{'not_charged_try'};
701: } elsif ($awarded < 1) {
702: $message=&mt('Incorrect.');
703: $css_class=$possible_class{'charged_try'};
704: }
705: if ($env{'request.filename'} =~
706: m|/res/lib/templates/examupload.problem$|) {
707: $message = &mt("A score has been assigned.");
708: $added_computer_text=1;
709: } else {
710: if ($target eq 'tex') {
711: $message = '\textbf{'.$message.'}';
712: } else {
713: $message = "<b>".$message."</b>";
714: $message.= $computer;
715: }
716: $added_computer_text=1;
717: if ($awarded > 0) {
718: my ($symb) = &Apache::lonnet::whichuser();
719: if (($symb ne '')
720: &&
721: ($env{'course.'.$env{'request.course.id'}.
722: '.disable_receipt_display'} ne 'yes') &&
723: ($Apache::lonhomework::type ne 'practice')) {
724: $message.=(($target eq 'web')?'<br />':' ').
725: &mt('Your receipt is [_1]',
726: (&Apache::lonnet::receipt($Apache::inputtags::part).
727: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
728: }
729: }
730: }
731: $button=0;
732: $previousmsg='';
733: } elsif ($solved =~ /^excused/) {
734: if ($target eq 'tex') {
735: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
736: } else {
737: $message = "<b>".&mt('You are excused from the problem.')."</b>";
738: }
739: $css_class=$possible_class{'charged_try'};
740: $button=0;
741: $previousmsg='';
742: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
743: if ($solved =~ /^incorrect/ || $solved eq '') {
744: $message = &mt("Incorrect").".";
745: $css_class=$possible_class{'charged_try'};
746: $button=1;
747: } else {
748: if ($target eq 'tex') {
749: $message = '\textbf{'.&mt('You are correct.').'}';
750: } else {
751: $message = "<b>".&mt('You are correct.')."</b>";
752: $message.= $computer;
753: }
754: $added_computer_text=1;
755: if ($awarded > 0
756: && $env{'course.'.
757: $env{'request.course.id'}.
758: '.disable_receipt_display'} ne 'yes') {
759: $message.=(($target eq 'web')?'<br />':' ').
760: &mt('Your receipt is [_1]',
761: (&Apache::lonnet::receipt($Apache::inputtags::part).
762: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
763: }
764: $css_class=$possible_class{'correct'};
765: $button=0;
766: $previousmsg='';
767: }
768: } elsif ($award eq 'NO_RESPONSE') {
769: $message = '';
770: $css_class=$possible_class{'no_feedback'};
771: $button=1;
772: } elsif ($award eq 'EXTRA_ANSWER') {
773: $message = &mt('Some extra items were submitted.');
774: $css_class=$possible_class{'not_charged_try'};
775: $button = 1;
776: } elsif ($award eq 'MISSING_ANSWER') {
777: $message = &mt('Some items were not submitted.');
778: if ($target ne 'tex') {
779: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
780: }
781: $css_class=$possible_class{'not_charged_try'};
782: $button = 1;
783: } elsif ($award eq 'ERROR') {
784: $message = &mt('An error occurred while grading your answer.');
785: $css_class=$possible_class{'not_charged_try'};
786: $button = 1;
787: } elsif ($award eq 'TOO_LONG') {
788: $message = &mt("The submitted answer was too long.");
789: $css_class=$possible_class{'not_charged_try'};
790: $button=1;
791: } elsif ($award eq 'WANTED_NUMERIC') {
792: $message = &mt("This question expects a numeric answer.");
793: $css_class=$possible_class{'not_charged_try'};
794: $button=1;
795: } elsif ($award eq 'MISORDERED_RANK') {
796: $message = &mt('You have provided an invalid ranking.');
797: if ($target ne 'tex') {
798: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
799: }
800: $css_class=$possible_class{'not_charged_try'};
801: $button=1;
802: } elsif ($award eq 'EXCESS_FILESIZE') {
803: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
804: $css_class=$possible_class{'not_charged_try'};
805: $button=1;
806:
807: } elsif ($award eq 'INVALID_FILETYPE') {
808: $message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
809: $css_class=$possible_class{'not_charged_try'};
810: $button=1;
811: } elsif ($award eq 'SIG_FAIL') {
812: my ($used,$min,$max)=split(':',$awardmsg);
813: my $word = ($used < $min) ? 'more' : 'fewer';
814: $message = &mt("Submission not graded. Use $word digits.",$used);
815: $css_class=$possible_class{'not_charged_try'};
816: $button=1;
817: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
818: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
819: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
820: $css_class=$possible_class{'not_charged_try'};
821: $button=1;
822: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
823: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
824: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
825: $css_class=$possible_class{'not_charged_try'};
826: $button=1;
827: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
828: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
829: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
830: $css_class=$possible_class{'not_charged_try'};
831: $button=1;
832: } elsif ($award eq 'UNIT_NOTNEEDED') {
833: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
834: $css_class=$possible_class{'not_charged_try'};
835: $button=1;
836: } elsif ($award eq 'NO_UNIT') {
837: $message = &mt("Units required").'.';
838: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
839: $css_class=$possible_class{'not_charged_try'};
840: $button=1;
841: } elsif ($award eq 'COMMA_FAIL') {
842: $message = &mt("Proper comma separation is required").'.';
843: $css_class=$possible_class{'not_charged_try'};
844: $button=1;
845: } elsif ($award eq 'BAD_FORMULA') {
846: $message = &mt("Unable to understand formula").'.';
847: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
848: $css_class=$possible_class{'not_charged_try'};
849: $button=1;
850: } elsif ($award eq 'INCORRECT') {
851: $message = &mt("Incorrect").'.';
852: $css_class=$possible_class{'charged_try'};
853: $button=1;
854: } elsif ($award eq 'SUBMITTED') {
855: $message = &mt("Your submission has been recorded.");
856: $css_class=$possible_class{'no_grade'};
857: $button=1;
858: } elsif ($award eq 'DRAFT') {
859: $message = &mt("A draft copy has been saved.");
860: $css_class=$possible_class{'not_charged_try'};
861: $button=1;
862: } elsif ($award eq 'ASSIGNED_SCORE') {
863: $message = &mt("A score has been assigned.");
864: $css_class=$possible_class{'correct'};
865: $button=0;
866: } elsif ($award eq '') {
867: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
868: $message = &mt("Nothing submitted.");
869: $css_class=$possible_class{'charged_try'};
870: } else {
871: $css_class=$possible_class{'not_charged_try'};
872: }
873: $button=1;
874: } else {
875: $message = &mt("Unknown message").": $award";
876: $button=1;
877: }
878: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
879: foreach my $resid(@Apache::inputtags::response){
880: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
881: $message.='<br />';
882: my @files = split(/\s*,\s*/,
883: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
884: my $file_msg;
885: foreach my $file (@files) {
886: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
887: }
888: $message .= &mt('Returned file(s): [_1]',$file_msg);
889: }
890: }
891:
892: if (&Apache::lonhomework::hide_problem_status()
893: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
894: && &hide_award($award)) {
895: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
896: $css_class=$possible_class{'no_grade'};
897: $button=1;
898: }
899: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
900: !$added_computer_text && $target ne 'tex') {
901: $message.= $computer;
902: $added_computer_text=1;
903: }
904: if ($Apache::lonhomework::type eq 'practice') {
905: if ($target eq 'web') {
906: $message .= '<br />';
907: } else {
908: $message .= ' ';
909: }
910: $message.=&mt('Submissions to practice problems are not permanently recorded.');
911: }
912:
913: return ($button,$css_class,$message,$previousmsg);
914: }
915:
916: sub markup_unit {
917: my ($unit,$target)=@_;
918: if ($target eq 'tex') {
919: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
920: } else {
921: return "<tt>".$unit."</tt>";
922: }
923: }
924:
925: sub removealldata {
926: my ($id)=@_;
927: foreach my $key (keys(%Apache::lonhomework::results)) {
928: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
929: &Apache::lonxml::debug("Removing $key");
930: delete($Apache::lonhomework::results{$key});
931: }
932: }
933: }
934:
935: sub hidealldata {
936: my ($id)=@_;
937: foreach my $key (keys(%Apache::lonhomework::results)) {
938: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
939: &Apache::lonxml::debug("Hidding $key");
940: my $newkey=$key;
941: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
942: $Apache::lonhomework::results{$newkey}=
943: $Apache::lonhomework::results{$key};
944: delete($Apache::lonhomework::results{$key});
945: }
946: }
947: }
948:
949: sub setgradedata {
950: my ($award,$msg,$id,$previously_used) = @_;
951: if ($Apache::lonhomework::scantronmode &&
952: &Apache::lonnet::validCODE($env{'form.CODE'})) {
953: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
954: } elsif ($Apache::lonhomework::scantronmode &&
955: $env{'form.CODE'} eq '' &&
956: $Apache::lonhomework::history{"resource.CODE"} ne '') {
957: $Apache::lonhomework::results{"resource.CODE"}='';
958: }
959:
960: if (!$Apache::lonhomework::scantronmode &&
961: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
962: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
963: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
964: return '';
965: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
966: /^correct/
967: || $Apache::lonhomework::scantronmode
968: || &Apache::lonhomework::hide_problem_status() ) {
969: # the student doesn't already have it correct,
970: # or we are in a mode (scantron orno problem status) where a correct
971: # can become incorrect
972: # handle assignment of tries and solved status
973: my $solvemsg;
974: if ($Apache::lonhomework::scantronmode) {
975: $solvemsg='correct_by_scantron';
976: } else {
977: $solvemsg='correct_by_student';
978: }
979: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
980: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
981: }
982: if ( $award eq 'ASSIGNED_SCORE') {
983: $Apache::lonhomework::results{"resource.$id.tries"} =
984: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
985: $Apache::lonhomework::results{"resource.$id.solved"} =
986: $solvemsg;
987: my $numawards=scalar(@Apache::inputtags::response);
988: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
989: foreach my $res (@Apache::inputtags::response) {
990: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
991: $Apache::lonhomework::results{"resource.$id.awarded"}+=
992: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
993: } else {
994: $Apache::lonhomework::results{"resource.$id.awarded"}+=
995: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
996: }
997: }
998: if ($numawards > 0) {
999: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1000: $numawards;
1001: }
1002: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1003: $Apache::lonhomework::results{"resource.$id.tries"} =
1004: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1005: $Apache::lonhomework::results{"resource.$id.solved"} =
1006: $solvemsg;
1007: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1008: } elsif ( $award eq 'INCORRECT' ) {
1009: $Apache::lonhomework::results{"resource.$id.tries"} =
1010: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1011: if (&Apache::lonhomework::hide_problem_status()
1012: || $Apache::lonhomework::scantronmode) {
1013: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1014: }
1015: $Apache::lonhomework::results{"resource.$id.solved"} =
1016: 'incorrect_attempted';
1017: } elsif ( $award eq 'SUBMITTED' ) {
1018: $Apache::lonhomework::results{"resource.$id.tries"} =
1019: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1020: $Apache::lonhomework::results{"resource.$id.solved"} =
1021: 'ungraded_attempted';
1022: } elsif ( $award eq 'DRAFT' ) {
1023: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1024: } elsif ( $award eq 'NO_RESPONSE' ) {
1025: #no real response so delete any data that got stored
1026: &removealldata($id);
1027: return '';
1028: } else {
1029: $Apache::lonhomework::results{"resource.$id.solved"} =
1030: 'incorrect_attempted';
1031: if (&Apache::lonhomework::show_no_problem_status()
1032: || $Apache::lonhomework::scantronmode) {
1033: $Apache::lonhomework::results{"resource.$id.tries"} =
1034: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1035: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1036: }
1037:
1038: if (&Apache::lonhomework::show_some_problem_status()) {
1039: # clear out the awarded if they had gotten it wrong/right
1040: # and are now in an error mode
1041: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1042: }
1043: }
1044: if (defined($msg)) {
1045: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1046: }
1047: # did either of the overall awards chage? If so ignore the
1048: # previous check
1049: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1050: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1051: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1052: $Apache::lonhomework::history{"resource.$id.solved"})) {
1053: # check if this was a previous submission if it was delete the
1054: # unneeded data and update the previously_used attribute
1055: if ( $previously_used eq 'PREVIOUSLY_USED') {
1056: if (&Apache::lonhomework::show_problem_status()) {
1057: delete($Apache::lonhomework::results{"resource.$id.tries"});
1058: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1059: }
1060: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1061: #delete all data as they student didn't do anything, but save
1062: #the list of collaborators.
1063: &removealldata($id);
1064: #and since they didn't do anything we were never here
1065: return '';
1066: } else {
1067: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1068: }
1069: }
1070: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
1071: /^correct/ ) {
1072: #delete all data as they student already has it correct
1073: &removealldata($id);
1074: #and since they didn't do anything we were never here
1075: return '';
1076: }
1077: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1078: if ($award eq 'SUBMITTED') {
1079: &Apache::response::add_to_gradingqueue();
1080: }
1081: }
1082:
1083: sub find_which_previous {
1084: my ($version) = @_;
1085: my $part = $Apache::inputtags::part;
1086: my (@previous_version);
1087: foreach my $resp (@Apache::inputtags::response) {
1088: my $key = "$version:resource.$part.$resp.submission";
1089: my $submission = $Apache::lonhomework::history{$key};
1090: my %previous = &Apache::response::check_for_previous($submission,
1091: $part,$resp,
1092: $version);
1093: push(@previous_version,$previous{'version'});
1094: }
1095: return &previous_match(\@previous_version,
1096: scalar(@Apache::inputtags::response));
1097: }
1098:
1099: sub previous_match {
1100: my ($previous_array,$count) = @_;
1101: my $match = 0;
1102: my @matches;
1103: foreach my $versionar (@$previous_array) {
1104: foreach my $version (@$versionar) {
1105: $matches[$version]++;
1106: }
1107: }
1108: my $which=0;
1109: foreach my $elem (@matches) {
1110: if ($elem eq $count) {
1111: $match=1;
1112: last;
1113: }
1114: $which++;
1115: }
1116: return ($match,$which);
1117: }
1118:
1119: sub grade {
1120: my ($target) = @_;
1121: my $id = $Apache::inputtags::part;
1122: my $response='';
1123: if ( defined $env{'form.submitted'}) {
1124: my (@awards,@msgs);
1125: foreach $response (@Apache::inputtags::response) {
1126: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1127: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1128: &Apache::lonxml::debug("keeping $value from $response for $id");
1129: push (@awards,$value);
1130: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1131: &Apache::lonxml::debug("got message $value from $response for $id");
1132: push (@msgs,$value);
1133: }
1134: my ($finalaward,$msg) =
1135: &finalizeawards(\@awards,\@msgs,undef,undef,
1136: $Apache::lonhomework::scantronmode);
1137: my $previously_used;
1138: if ( $#Apache::inputtags::previous eq $#awards ) {
1139: my ($match) =
1140: &previous_match(\@Apache::inputtags::previous_version,
1141: scalar(@Apache::inputtags::response));
1142:
1143: if ($match) {
1144: $previously_used = 'PREVIOUSLY_LAST';
1145: foreach my $value (@Apache::inputtags::previous) {
1146: if ($value eq 'PREVIOUSLY_USED' ) {
1147: $previously_used = $value;
1148: last;
1149: }
1150: }
1151: }
1152: }
1153: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1154: &setgradedata($finalaward,$msg,$id,$previously_used);
1155: }
1156: return '';
1157: }
1158:
1159: sub get_grade_messages {
1160: my ($id,$prefix,$target,$status) = @_;
1161:
1162: my ($message,$latemessage,$trystr,$previousmsg);
1163: my $showbutton = 1;
1164:
1165: my $award = $Apache::lonhomework::history{"$prefix.award"};
1166: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1167: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1168: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1169: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1170: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1171: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1172: &Apache::lonxml::debug('Getting message');
1173: ($showbutton,my $css_class,$message,$previousmsg) =
1174: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1175: $target);
1176: if ($target eq 'tex') {
1177: $message='\vskip 2 mm '.$message.' ';
1178: } else {
1179: $message="<td class=\"$css_class\">$message</td>";
1180: if ($previousmsg) {
1181: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1182: }
1183: }
1184: }
1185: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1186: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1187: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1188: #if tries are set to negative turn off the Tries/Button and messages
1189: if (defined($maxtries) && $maxtries < 0) { return ''; }
1190: if ( $tries eq '' ) { $tries = '0'; }
1191: if ( $maxtries eq '' ) { $maxtries = '2'; }
1192: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1193: my $tries_text=&mt('Tries');
1194: if ( $Apache::lonhomework::type eq 'survey' ||
1195: $Apache::lonhomework::parsing_a_task) {
1196: $tries_text=&mt('Submissions');
1197: }
1198:
1199: if ($showbutton) {
1200: if ($target eq 'tex') {
1201: if ($env{'request.state'} ne "construct"
1202: && $Apache::lonhomework::type ne 'exam'
1203: && $env{'form.suppress_tries'} ne 'yes') {
1204: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.
1205: $tries.'/'.$maxtries.'} \vskip 2 mm ';
1206: } else {
1207: $trystr = '\vskip 0 mm ';
1208: }
1209: } else {
1210: $trystr = "<td><nobr>".$tries_text." $tries";
1211: if ($Apache::lonhomework::parsing_a_task) {
1212: } elsif($env{'request.state'} ne 'construct') {
1213: $trystr.="/$maxtries";
1214: } else {
1215: if (defined($Apache::inputtags::params{'maxtries'})) {
1216: $trystr.="/".$Apache::inputtags::params{'maxtries'};
1217: }
1218: }
1219: $trystr.="</nobr></td>";
1220: }
1221: }
1222:
1223: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1224: #last submissions was after due date
1225: $latemessage=&mt(' The last submission was after the Due Date ');;
1226: if ($target eq 'web') {
1227: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1228: }
1229: }
1230: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1231: }
1232:
1233: sub gradestatus {
1234: my ($id,$target,$no_previous) = @_;
1235: my $showbutton = 1;
1236: my $message = '';
1237: my $latemessage = '';
1238: my $trystr='';
1239: my $button='';
1240: my $previousmsg='';
1241:
1242: my $status = $Apache::inputtags::status['-1'];
1243: &Apache::lonxml::debug("gradestatus has :$status:");
1244: if ( $status ne 'CLOSED'
1245: && $status ne 'UNAVAILABLE'
1246: && $status ne 'INVALID_ACCESS'
1247: && $status ne 'NEEDS_CHECKIN'
1248: && $status ne 'NOT_IN_A_SLOT') {
1249:
1250: ($previousmsg,$latemessage,$message,$trystr) =
1251: &get_grade_messages($id,"resource.$id",$target,$status,
1252: $showbutton);
1253: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1254: $showbutton = 0;
1255: }
1256: if ( $status eq 'SHOW_ANSWER') {
1257: undef($previousmsg);
1258: }
1259: if ( $showbutton ) {
1260: if ($target ne 'tex') {
1261: $button =
1262: '<input
1263: onmouseup="javascript:setSubmittedPart(\''.$id.'\')"
1264: onsubmit="javascript:setSubmittedPart(\''.$id.'\')"
1265: type="submit" name="submit_'.$id.'"
1266: value="'.&mt('Submit Answer').'" />';
1267: }
1268: }
1269:
1270: }
1271: my $output= $previousmsg.$latemessage.$message.$trystr;
1272: if ($output =~ /^\s*$/) {
1273: return $button;
1274: } else {
1275: if ($target eq 'tex') {
1276: return $button.' \vskip 0 mm '.$output.' ';
1277: } else {
1278: $output =
1279: '<table><tr><td>'.$button.'</td>'.$output;
1280: if (!$no_previous) {
1281: $output.='<td>'.&previous_tries($id,$target).'</td>';
1282: }
1283: $output.= '</tr></table>';
1284: return $output;
1285: }
1286: }
1287: }
1288:
1289: sub previous_tries {
1290: my ($id,$target) = @_;
1291: my $output;
1292: my $status = $Apache::inputtags::status['-1'];
1293:
1294: my $count;
1295: my %count_lookup;
1296:
1297: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1298: my $prefix = $i.":resource.$id";
1299:
1300: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1301: $count++;
1302: $count_lookup{$i} = $count;
1303:
1304: my ($previousmsg,$latemessage,$message,$trystr);
1305:
1306: ($previousmsg,$latemessage,$message,$trystr) =
1307: &get_grade_messages($id,"$prefix",$target,$status);
1308:
1309: if ($previousmsg ne '') {
1310: my ($match,$which) = &find_which_previous($i);
1311: $message=$previousmsg;
1312: my $previous = $count_lookup{$which};
1313: $message =~ s{(</td>)}{ as submission \# $previous $1};
1314: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1315: if (!(&Apache::lonhomework::hide_problem_status()
1316: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1317: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1318: ) {
1319:
1320: my $txt_correct = &mt('Correct');
1321: $message =~ s{(<td.*?>)(.*?)(</td>)}
1322: {$1 <strong>$txt_correct</strong>. $3}s;
1323: }
1324: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1325: $message =~ s{(</td>)}{ $trystr $1};
1326: }
1327: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1328: $message =~ s{(<td.*?>)}{<td>};
1329:
1330:
1331: $output.='<tr class="'.$class.'">';
1332: $output.='<td align="center">'.$count.'</td>';
1333: $output.=$message;
1334:
1335: foreach my $resid (@Apache::inputtags::response) {
1336: my $prefix = $prefix.".$resid";
1337: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1338: my $submission =
1339: $Apache::inputtags::submission_display{"$prefix.submission"};
1340: if (!defined($submission)) {
1341: $submission =
1342: $Apache::lonhomework::history{"$prefix.submission"};
1343: }
1344: $output.='<td>'.$submission.'</td>';
1345: } else {
1346: $output.='<td></td>';
1347: }
1348: }
1349: $output.=&Apache::loncommon::end_data_table_row()."\n";
1350: }
1351: return if ($output eq '');
1352: my $headers =
1353: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1354: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1355: &mt('Submitted Answer').'</th>';
1356: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1357: #return $output;
1358: $output = &Apache::loncommon::js_ready($output);
1359: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
1360:
1361: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1362: my $start_page =
1363: &Apache::loncommon::start_page('Previous Tries', undef,
1364: {'only_body' => 1,
1365: 'bgcolor' => '#FFFFFF',
1366: 'js_ready' => 1,
1367: 'inherit_jsmath' => 1, });
1368: my $end_page =
1369: &Apache::loncommon::end_page({'js_ready' => 1,});
1370: my $prefix = $env{'form.request.prefix'};
1371: $prefix =~ tr{.}{_};
1372: my $function_name = "LONCAPA_previous_tries_".$prefix.
1373: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1374: my $result ="<script type=\"text/javascript\">
1375: // <![CDATA[
1376: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1377: // ]]>
1378: </script><a href=\"javascript:$function_name();void(0);\">".&mt("Previous Tries")."</a><br />";
1379: #use Data::Dumper;
1380: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1381: return $result;
1382: }
1383:
1384: 1;
1385: __END__
1386:
1387: =pod
1388:
1389: =back
1390:
1391: =cut
1392:
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