1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.310 2012/09/24 10:34:19 foxr 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::lonhtmlcommon;
57: use Apache::lonlocal;
58: use Apache::lonnet;
59: use LONCAPA;
60:
61:
62: BEGIN {
63: &Apache::lonxml::register('Apache::inputtags',('hiddensubmission','hiddenline','textfield','textline'));
64: }
65:
66: =pod
67:
68: =item initialize_inputtags()
69:
70: Initializes a set of global variables used during the parse of the problem.
71:
72: @Apache::inputtags::input - List of current input ids.
73: @Apache::inputtags::inputlist - List of all input ids seen this problem.
74: @Apache::inputtags::response - List of all current resopnse ids.
75: @Apache::inputtags::responselist - List of all response ids seen this
76: problem.
77: @Apache::inputtags::hint - List of all hint ids.
78: @Apache::inputtags::hintlist - List of all hint ids seen this problem.
79: @Apache::inputtags::previous - List describing if specific responseds
80: have been used
81: @Apache::inputtags::previous_version - Submission responses were used in.
82: $Apache::inputtags::part - Current part id (valid only in
83: <problem>)
84: 0 if not in a part.
85: @Apache::inputtags::partlist - List of part ids seen in the current
86: <problem>
87: @Apache::inputtags::status - List of problem statuses. First
88: element is the status of the <problem>
89: the remainder are for individual <part>s.
90: %Apache::inputtags::params - Hash of defined parameters for the
91: current response.
92: @Apache::inputtags::import - List of all ids for <import> thes get
93: join()ed and prepended.
94: @Apache::inputtags::importlist - List of all import ids seen.
95: $Apache::inputtags::response_with_no_part
96: - Flag set true if we have seen a response
97: that is not inside a <part>
98: %Apache::inputtags::answertxt - <*response> tags store correct
99: answer strings for display by <textline/>
100: in this hash.
101: %Apache::inputtags::submission_display
102: - <*response> tags store improved display
103: of submission strings for display by part
104: end.
105:
106: =cut
107:
108: sub initialize_inputtags {
109: @Apache::inputtags::input=();
110: @Apache::inputtags::inputlist=();
111: @Apache::inputtags::response=();
112: @Apache::inputtags::responselist=();
113: @Apache::inputtags::hint=();
114: @Apache::inputtags::hintlist=();
115: @Apache::inputtags::previous=();
116: @Apache::inputtags::previous_version=();
117: $Apache::inputtags::part='';
118: @Apache::inputtags::partlist=();
119: @Apache::inputtags::status=();
120: %Apache::inputtags::params=();
121: @Apache::inputtags::import=();
122: @Apache::inputtags::importlist=();
123: $Apache::inputtags::response_with_no_part=0;
124: %Apache::inputtags::answertxt=();
125: %Apache::inputtags::submission_display=();
126: }
127:
128: #
129: # provides the onblur binding for spellchecking. This could be an
130: # empty string if spellchecking was not enabled.
131: # Jquery selector binding is done rather than setting an onblur
132: # attribute because we'll need to set the element's spellcheck language
133: # option dynamically so we need $(this) to be defined.
134: #
135: # @param id - The element id to bind.
136: # @param lang - Language in which spellchecking is desired.
137: # if undef, nothing is generated.
138: # @return string - onblur specification to do the requested spellchecking.
139: #
140: sub spellcheck_onblur {
141: my ($id, $lang) = @_;
142: my $result = '';
143: if ($lang) {
144:
145: $result = <<JAVASCRIPT;
146: <script type="text/javascript">
147: \$('\#$id').blur(function() {
148: doSpellcheck('\#$id', '$lang');
149: });
150: </script>
151:
152: JAVASCRIPT
153:
154:
155: }
156: return $result;
157: }
158:
159: sub check_for_duplicate_ids {
160: my %check;
161: foreach my $id (@Apache::inputtags::partlist,
162: @Apache::inputtags::responselist,
163: @Apache::inputtags::hintlist,
164: @Apache::inputtags::importlist) {
165: $check{$id}++;
166: }
167: my @duplicates;
168: foreach my $id (sort(keys(%check))) {
169: if ($check{$id} > 1) {
170: push(@duplicates,$id);
171: }
172: }
173: if (@duplicates) {
174: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
175: }
176: }
177:
178: sub start_input {
179: my ($parstack,$safeeval)=@_;
180: my $id = &Apache::lonxml::get_id($parstack,$safeeval);
181: push (@Apache::inputtags::input,$id);
182: push (@Apache::inputtags::inputlist,$id);
183: return $id;
184: }
185:
186: sub end_input {
187: pop @Apache::inputtags::input;
188: return '';
189: }
190:
191: sub addchars {
192: my ($fieldid,$addchars)=@_;
193: my $output='';
194: foreach (split(/\,/,$addchars)) {
195: $output.='<a href="javascript:void(document.forms.lonhomework.'.
196: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
197: }
198: return $output;
199: }
200:
201: sub start_textfield {
202: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
203: my $result = "";
204: my $id = &start_input($parstack,$safeeval);
205: my $resid=$Apache::inputtags::response[-1];
206: if ($target eq 'web') {
207: $Apache::lonxml::evaluate--;
208: my $partid=$Apache::inputtags::part;
209: my ($oldresponse,$newvariation);
210: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
211: ($Apache::lonhomework::type eq 'randomizetry')) &&
212: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
213: if ($env{'form.'.$partid.'.rndseed'} ne
214: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
215: $newvariation = 1;
216: }
217: }
218: unless ($newvariation) {
219: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"};
220: }
221: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
222: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
223: if ( $cols eq '') { $cols = 80; }
224: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
225: if ( $rows eq '') { $rows = 16; }
226: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
227: $result='';
228: my $tagident = 'HWVAL_' . $resid;
229: if ($addchars) {
230: $result.=&addchars($tagident, $addchars);
231: }
232: my $textareaclass = 'class="LC_richDetectHtml spellchecked"';
233: $result.= '<textarea wrap="hard" name="'.$tagident.'" id="'.$tagident.'" ' .
234: 'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass
235: .'>'.
236: &HTML::Entities::encode($oldresponse,'<>&"');
237: if ($oldresponse ne '') {
238:
239: #get rid of any startup text if the user has already responded
240: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
241: }
242: } else {
243: #show past answer in the essayresponse case
244: if ($oldresponse =~ /\S/
245: && &Apache::londefdef::is_inside_of($tagstack,
246: 'essayresponse') ) {
247: $result='<table class="LC_pastsubmission"><tr><td>'.
248: $oldresponse.'</td></tr></table>';
249: }
250: #get rid of any startup text
251: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
252: }
253: } elsif ($target eq 'grade') {
254: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
255: $style);
256: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
257: # if the seed text is still there it wasn't a real submission
258: $env{'form.HWVAL_'.$resid}='';
259: }
260: } elsif ($target eq 'edit') {
261: $result.=&Apache::edit::tag_start($target,$token);
262: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
263: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
264: $result.=&Apache::edit::text_arg
265: ('Click-On Texts (comma sep):','addchars',$token,10);
266: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
267: $style);
268: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
269: } elsif ($target eq 'modified') {
270: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
271: $safeeval,'rows','cols',
272: 'addchars');
273: if ($constructtag) {
274: $result = &Apache::edit::rebuild_tag($token);
275: } else {
276: $result=$token->[4];
277: }
278: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
279: } elsif ($target eq 'tex') {
280: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
281: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
282: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
283: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
284: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
285: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
286: } else {
287: my $fieldname = $env{'request.symb'}.
288: '&part_'. $Apache::inputtags::part.
289: '&textresponse'.
290: '&HWVAL_' . $Apache::inputtags::response['-1'];
291: $result.='\TextField[name='.$fieldname.',multiline=true,height=6\baselineskip,width=270,borderwidth=0,backgroundcolor={.85
292: .85 .85}]\\';
293: }
294: }
295: return $result;
296: }
297:
298: sub end_textfield {
299: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
300: my $result;
301: if ($target eq 'web') {
302: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
303: $Apache::lonxml::evaluate++;
304: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
305: my $resid = $Apache::inputtags::response[-1];
306: my $tagident = 'HWVAL_' . $resid;
307: my $result = "</textarea>";
308: $result .= &spellcheck_onblur($tagident, $spellcheck);
309: return $result;
310: }
311: } elsif ($target eq 'edit') {
312: $result=&Apache::edit::end_table();
313: }
314: &end_input;
315: return $result;
316: }
317:
318: sub exam_score_line {
319: my ($target) = @_;
320:
321: my $result;
322: if ($target eq 'tex') {
323: my $repetition = &Apache::response::repetition();
324: $result.='\begin{enumerate}';
325: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
326: foreach my $i (0..$repetition-1) {
327: $result.='\item[\textbf{'.
328: ($Apache::lonxml::counter+$i).
329: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
330: }
331: $result.= '\end{enumerate}';
332: }
333:
334: return $result;
335: }
336:
337: sub exam_box {
338: my ($target) = @_;
339: my $result;
340:
341: if ($target eq 'tex') {
342: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
343: $result .= &exam_score_line($target);
344: } elsif ($target eq 'web') {
345: my $id=$Apache::inputtags::response[-1];
346: $result.= '<br /><br />
347: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
348: </textarea> <br /><br />';
349: }
350: return $result;
351: }
352:
353: sub needs_exam_box {
354: my ($tagstack) = @_;
355: my @tags = ('formularesponse',
356: 'stringresponse',
357: 'reactionresponse',
358: 'organicresponse',
359: );
360:
361: foreach my $tag (@tags) {
362: if (grep(/\Q$tag\E/,@$tagstack)) {
363: return 1;
364: }
365: }
366: return 0;
367: }
368:
369: sub start_textline {
370: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
371: my $result = "";
372: my $input_id = &start_input($parstack,$safeeval);
373:
374: # The spellcheck attribute
375: # 1. enables spellchecking.
376: # 2. Provides the language code in which the spellchecking will be performed.
377:
378: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
379: if ($target eq 'web') {
380: $Apache::lonxml::evaluate--;
381: my $partid=$Apache::inputtags::part;
382: my $id=$Apache::inputtags::response[-1];
383: if (!&Apache::response::show_answer()) {
384: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
385: my $maxlength;
386: if ($size eq '') { $size=20; } else {
387: if ($size < 20) {
388: $maxlength = ' maxlength="'.$size.'"';
389: }
390: }
391: my ($oldresponse,$newvariation);
392: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
393: ($Apache::lonhomework::type eq 'randomizetry')) &&
394: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
395: if ($env{'form.'.$partid.'.rndseed'} ne
396: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
397: $newvariation = 1;
398: }
399: }
400: unless ($newvariation) {
401: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
402: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
403: if (ref($oldresponse) eq 'ARRAY') {
404: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
405: }
406: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
407: $oldresponse =~ s/^\s+//;
408: $oldresponse =~ s/\s+$//;
409: $oldresponse =~ s/\s+/ /g;
410: }
411: if ($Apache::lonhomework::type ne 'exam') {
412: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
413: $result='';
414: if ($addchars) {
415: $result.=&addchars('HWVAL_'.$id,$addchars);
416: }
417: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
418: $safeeval);
419: if (lc($readonly) eq 'yes'
420: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
421: $readonly=' readonly="readonly" ';
422: } else {
423: $readonly='';
424: }
425: my $name = 'HWVAL_'.$id;
426: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
427: $name = "none";
428: }
429: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
430: . ' type="text" '
431: . $readonly.' name="'. $name . '"'
432: . ' id="' . $name . '"'
433: . ' value="'. $oldresponse.'"'
434: . ' class="spellchecked" size="'.$size.'"'.$maxlength
435: . '/>';
436:
437: $result .= &spellcheck_onblur($name, $spellcheck);
438: }
439: if ($Apache::lonhomework::type eq 'exam'
440: && &needs_exam_box($tagstack)) {
441: $result.=&exam_box($target);
442: }
443: } else {
444: #right or wrong don't show what was last typed in.
445: my $count = scalar(@Apache::inputtags::inputlist)-1;
446: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
447: #$result='';
448: }
449: } elsif ($target eq 'edit') {
450: $result=&Apache::edit::tag_start($target,$token);
451: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
452: &Apache::edit::text_arg('Click-On Texts (comma sep):',
453: 'addchars',$token,10);
454: $result.=&Apache::edit::select_arg('Readonly:','readonly',
455: ['no','yes'],$token);
456: $result.=&Apache::edit::end_row();
457: $result.=&Apache::edit::end_table();
458: } elsif ($target eq 'modified') {
459: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
460: $safeeval,'size',
461: 'addchars','readonly');
462: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
463: } elsif ($target eq 'tex'
464: && $Apache::lonhomework::type ne 'exam') {
465: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
466: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
467: if ($env{'form.pdfFormFields'} eq 'yes'
468: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
469: my $fieldname = $env{'request.symb'}.
470: '&part_'. $Apache::inputtags::part.
471: '&textresponse'.
472: '&HWVAL_' . $Apache::inputtags::response['-1'];
473: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
474: } else {
475: $result='\framebox['.$size.'][s]{\tiny\strut}';
476: }
477: } elsif ($target eq 'tex'
478: && $Apache::lonhomework::type eq 'exam'
479: && &needs_exam_box($tagstack)) {
480: $result.=&exam_box($target);
481: }
482: return $result;
483: }
484:
485: sub end_textline {
486: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
487: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
488: elsif ($target eq 'edit') { return ('','no'); }
489: &end_input();
490: return "";
491: }
492:
493: sub start_hiddenline {
494: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
495: my $result = "";
496: my $input_id = &start_input($parstack,$safeeval);
497: if ($target eq 'web') {
498: $Apache::lonxml::evaluate--;
499: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
500: my $partid=$Apache::inputtags::part;
501: my $id=$Apache::inputtags::response[-1];
502: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
503: if (ref($oldresponse) eq 'ARRAY') {
504: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
505: }
506: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
507:
508: if ($Apache::lonhomework::type ne 'exam') {
509: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
510: $oldresponse.'" />';
511: }
512: }
513: } elsif ($target eq 'edit') {
514: $result=&Apache::edit::tag_start($target,$token);
515: $result.=&Apache::edit::end_table;
516: }
517:
518: if ( ($target eq 'web' || $target eq 'tex')
519: && $Apache::lonhomework::type eq 'exam'
520: && &needs_exam_box($tagstack)) {
521: $result.=&exam_box($target);
522: }
523: return $result;
524: }
525:
526: sub end_hiddenline {
527: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
528: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
529: elsif ($target eq 'edit') { return ('','no'); }
530: &end_input();
531: return "";
532: }
533:
534:
535: sub start_hiddensubmission {
536: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
537: my $result = "";
538: my $input_id = &start_input($parstack,$safeeval);
539: if ($target eq 'web') {
540: $Apache::lonxml::evaluate--;
541: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
542: my $partid=$Apache::inputtags::part;
543: my $id=$Apache::inputtags::response[-1];
544: if ($Apache::lonhomework::type ne 'exam') {
545: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
546: $value = &HTML::Entities::encode($value,'<>&"');
547: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
548: }
549: }
550: } elsif ($target eq 'edit') {
551: $result=&Apache::edit::tag_start($target,$token);
552: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
553: $result.=&Apache::edit::end_row();
554: $result.=&Apache::edit::end_table();
555: } elsif ($target eq 'modified') {
556: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
557: $safeeval,'value');
558: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
559: }
560:
561: if ( ($target eq 'web' || $target eq 'tex')
562: && $Apache::lonhomework::type eq 'exam'
563: && &needs_exam_box($tagstack)) {
564: $result.=&exam_box($target);
565: }
566: return $result;
567: }
568:
569: sub end_hiddensubmission {
570: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
571: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
572: elsif ($target eq 'edit') { return ('','no'); }
573: &end_input();
574: return "";
575: }
576:
577: =pod
578:
579: =item file_selector()
580:
581: $part -> partid
582: $id -> responseid
583: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
584: $which -> 'uploadonly' -> only newly uploaded files
585: 'portfolioonly' -> only allow files from portfolio
586: 'both' -> allow files from either location
587: $extratext -> additional text to go between the link and the input box
588: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
589: returns a table row <tr>
590:
591: =cut
592:
593: sub file_selector {
594: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
595: if (!$uploadedfiletypes) { return ''; }
596:
597: my $jspart=$part;
598: $jspart=~s/\./_/g;
599:
600: my $result;
601: my $current_files_display = ¤t_file_submissions($part,$id);
602: my $addfiles;
603: if ($current_files_display) {
604: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
605: $current_files_display.
606: &Apache::lonhtmlcommon::row_closure();
607: $addfiles = &mt('Submit other file(s)');
608: } else {
609: $addfiles = &mt('Choose file(s) to submit');
610: }
611: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
612: my $constraints;
613: if ($uploadedfiletypes ne '*') {
614: $constraints =
615: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
616: }
617: if ($maxfilesize) {
618: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].',
619: '<b>'.$maxfilesize.'</b>').'<br />';
620: }
621: if ($constraints) {
622: $result .= $constraints.'<br />';
623: }
624: if ($which eq 'uploadonly' || $which eq 'both') {
625: $result.=&mt('Submit a file: (only one file per submission)').
626: ' <br /><input type="file" size="50" name="HWFILE'.
627: $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
628: }
629: if ( $which eq 'both') {
630: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
631: }
632: if ($which eq 'portfolioonly' || $which eq 'both') {
633: my $symb = $env{'request.symb'};
634: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
635: my $showsymb;
636: # If resource is a .task and URL is unencrypted, include symb in query string
637: # for url opened in portfolio file selection window. Can be used to override
638: # blocking of portfolio access resulting from an exam event in a different course.
639: if ($res =~ /\.task$/i) {
640: my $encsymb = &Apache::lonenc::check_encrypt($symb);
641: if ($symb eq $encsymb) {
642: $showsymb = $symb;
643: }
644: }
645: $result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&fieldname='.$env{'form.request.prefix'}.'HWPORT'.$jspart.'_'.$id.'&symb='.$showsymb.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'.
646: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
647: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
648: '<br />';
649:
650: }
651: $result.=&Apache::lonhtmlcommon::row_closure(1);
652: return $result;
653: }
654:
655: sub current_file_submissions {
656: my ($part,$id) = @_;
657: my $jspart=$part;
658: $jspart=~s/\./_/g;
659: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
660: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
661: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
662: my $header = &Apache::loncommon::start_data_table().
663: &Apache::loncommon::start_data_table_header_row();
664: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
665: $header .= '<th>'.&mt('Delete?').'</th>';
666: }
667: $header .= '<th>'.&mt('File').'</th>'.
668: '<th>'.&mt('Size (MB)').'</th>'.
669: '<th>'.&mt('Last Modified').'</th>'.
670: &Apache::loncommon::end_data_table_header_row();
671: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
672: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
673: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
674: if ($uploadedfile) {
675: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
676: my $link = &HTML::Entities::encode($url,'<>&"');
677: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
678: my ($status,$hashref,$error) =
679: ¤t_file_info($url,$link,$name,$path);
680: if ($status eq 'ok') {
681: push(@{$okfiles{$name}},$url);
682: $rows{$url} = $hashref;
683: $legacy{$url} = 1;
684: &Apache::lonxml::extlink($url);
685: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
686: } else {
687: push(@bad_file_list,$error);
688: }
689: }
690: if ($portfiles =~ /[^\s]/) {
691: my $prefix = "/uploaded/$udom/$uname/portfolio";
692: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
693: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
694: my $url = $prefix.$path.$name;
695: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
696: my ($status,$hashref,$error) =
697: ¤t_file_info($url,$uploadedfile,$name,$path);
698: if ($status eq 'ok') {
699: push(@{$okfiles{$name}},$url);
700: $rows{$url} = $hashref;
701: } else {
702: push(@bad_file_list,$error);
703: }
704: }
705: }
706: my $num = 0;
707: foreach my $name (sort(keys(%okfiles))) {
708: if (ref($okfiles{$name}) eq 'ARRAY') {
709: foreach my $url (@{$okfiles{$name}}) {
710: if (ref($rows{$url}) eq 'HASH') {
711: my $link = $rows{$url}{link};
712: my $portfile = $rows{$url}{path}.$rows{$url}{name};
713: $portfile = &HTML::Entities::encode($portfile,'<>&"');
714: if ($link) {
715: my $icon=&Apache::loncommon::icon($url);
716: unless ($header_shown) {
717: $result .= $header;
718: $header_shown = 1;
719: }
720: $result.=
721: &Apache::loncommon::start_data_table_row()."\n";
722: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
723: $result .=
724: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
725: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
726: $num ++;
727: }
728: my $showname = $rows{$url}{path}.$name;
729: if ($legacy{$url}) {
730: $showname = $name.' '.&mt('not in portfolio');
731: }
732: $result .=
733: '<td><a href="'.$link.'"><img src="'.$icon.
734: '" border="0" alt="" />'.$showname.'</a></td>'."\n".
735: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
736: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
737: &Apache::loncommon::end_data_table_row();
738: }
739: }
740: }
741: }
742: }
743: if ($header_shown) {
744: $result .= &Apache::loncommon::end_data_table();
745: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
746: $result .= '<br /><span class="LC_warning">'.
747: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
748: }
749: }
750: if (@bad_file_list) {
751: my $bad_files = '<span class="LC_filename">'.
752: join('</span>, <span class="LC_filename">',@bad_file_list).
753: '</span>';
754: $result.='<p class="LC_error">'.
755: &mt("These file(s) don't exist: [_1]",$bad_files).
756: '</p>';
757: }
758: return $result;
759: }
760:
761: sub current_file_info {
762: my ($url,$uploadedfile,$name,$path) = @_;
763: my ($status,$error,%info);
764: my @stat = &Apache::lonnet::stat_file($url);
765: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
766: my ($lastmod,$size);
767: if ($stat[9] =~ /^\d+$/) {
768: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
769: }
770: $size = $stat[7]/(1024*1024);
771: $size = sprintf("%.3f",$size);
772: %info = (
773: link => $uploadedfile,
774: name => $name,
775: path => $path,
776: size => $size,
777: lastmodified => $lastmod,
778: );
779: $status = 'ok';
780: } else {
781: &Apache::lonnet::logthis("bad file is $url");
782: my $icon=&Apache::loncommon::icon($url);
783: $error = '<a href="'.$url.'"><img src="'.$icon.
784: '" border="0" />'.$uploadedfile.'</a>';
785: }
786: return ($status,\%info,$error);
787: }
788:
789: sub valid_award {
790: my ($award) =@_;
791: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
792: 'NO_RESPONSE',
793: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
794: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
795: 'UNIT_FAIL', 'NO_UNIT',
796: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
797: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
798: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
799: 'MISORDERED_RANK', 'INVALID_FILETYPE',
800: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
801: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
802: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
803: 'ASSIGNED_SCORE', 'APPROX_ANS',
804: 'EXACT_ANS','COMMA_FAIL') {
805: if ($award eq $possibleaward) { return 1; }
806: }
807: return 0;
808: }
809:
810: {
811: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
812: 'TOO_LONG',
813: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
814: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
815: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
816: 'WRONG_FORMAT', 'INTERNAL_ERROR',
817: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
818: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
819: 'DRAFT', 'SUBMITTED',
820: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
821: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
822: my $i=0;
823: my %fwd_awards = map { ($_,$i++) } @awards;
824: my $max=scalar(@awards);
825: @awards=reverse(@awards);
826: $i=0;
827: my %rev_awards = map { ($_,$i++) } @awards;
828:
829: sub awarddetail_to_awarded {
830: my ($awarddetail) = @_;
831: if ($awarddetail eq 'EXACT_ANS'
832: || $awarddetail eq 'APPROX_ANS') {
833: return 1;
834: }
835: return 0;
836: }
837:
838: sub hide_award {
839: my ($award) = @_;
840: if (&Apache::lonhomework::show_no_problem_status()) {
841: return 1;
842: }
843: if ($award =~
844: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
845: return 1;
846: }
847: return 0;
848: }
849:
850: sub finalizeawards {
851: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
852: my $result;
853: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
854: if ($result eq '' ) {
855: my $blankcount;
856: foreach my $award (@$awardref) {
857: if ($award eq '') {
858: $result='MISSING_ANSWER';
859: $blankcount++;
860: }
861: }
862: if ($blankcount == ($#$awardref + 1)) {
863: return ('NO_RESPONSE');
864: }
865: }
866:
867: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
868:
869: if (!$final_scantron && defined($result)) { return ($result); }
870:
871: # if in scantron mode, if the award for any response is
872: # assigned score, then the part gets an assigned score
873: if ($final_scantron
874: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
875: return ('ASSIGNED_SCORE');
876: }
877:
878: # if in scantron mode, if the award for any response is
879: # correct and there are non-correct responses,
880: # then the part gets an assigned score
881: if ($final_scantron
882: && (grep { $_ eq 'EXACT_ANS' ||
883: $_ eq 'APPROX_ANS' } (@$awardref))
884: && (grep { $_ ne 'EXACT_ANS' &&
885: $_ ne 'APPROX_ANS' } (@$awardref))) {
886: return ('ASSIGNED_SCORE');
887: }
888: # these awards are ordered from most important error through best correct
889: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
890:
891: my $best = $max;
892: my $j=0;
893: my $which;
894: foreach my $award (@$awardref) {
895: if ($awards->{$award} < $best) {
896: $best = $awards->{$award};
897: $which = $j;
898: }
899: $j++;
900: }
901:
902: if (defined($which)) {
903: if (ref($nameref)) {
904: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
905: } else {
906: return ($$awardref[$which],$$msgref[$which]);
907: }
908: }
909: return ('ERROR',undef);
910: }
911: }
912:
913: sub decideoutput {
914: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect)=@_;
915:
916: my $message='';
917: my $button=0;
918: my $previousmsg;
919: my $css_class='orange';
920: my $added_computer_text=0;
921: my %possible_class =
922: ( 'correct' => 'LC_answer_correct',
923: 'charged_try' => 'LC_answer_charged_try',
924: 'not_charged_try' => 'LC_answer_not_charged_try',
925: 'no_grade' => 'LC_answer_no_grade',
926: 'no_message' => 'LC_no_message',
927: );
928:
929: my $part = $Apache::inputtags::part;
930: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
931: my $handgrade = ('yes' eq lc($tohandgrade));
932: #
933: # Should "Computer's Answer" be displayed?
934: # Should not be displayed if still answerable,
935: # if the problem is handgraded,
936: # or if the problem does not give a correct answer
937: #
938:
939: my $computer = ($handgrade || $nocorrect)? ''
940: : " ".&mt("Computer's answer now shown above.");
941: &Apache::lonxml::debug("handgrade has :$handgrade:");
942:
943: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
944:
945: if ($solved =~ /^correct/) {
946: $css_class=$possible_class{'correct'};
947: $message=&mt('You are correct.');
948: if ($awarded < 1 && $awarded > 0) {
949: $message=&mt('You are partially correct.');
950: $css_class=$possible_class{'not_charged_try'};
951: } elsif ($awarded < 1) {
952: $message=&mt('Incorrect.');
953: $css_class=$possible_class{'charged_try'};
954: }
955: if ($handgrade ||
956: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
957: $message = &mt("A score has been assigned.");
958: $added_computer_text=1;
959: } else {
960: if ($target eq 'tex') {
961: $message = '\textbf{'.$message.'}';
962: } else {
963: $message = "<b>".$message."</b>";
964: $message.= $computer;
965: }
966: $added_computer_text=1;
967: if ($awarded > 0) {
968: my ($symb) = &Apache::lonnet::whichuser();
969: if (($symb ne '')
970: &&
971: ($env{'course.'.$env{'request.course.id'}.
972: '.disable_receipt_display'} ne 'yes') &&
973: ($Apache::lonhomework::type ne 'practice')) {
974: $message.=(($target eq 'web')?'<br />':' ').
975: &mt('Your receipt no. is [_1]',
976: (&Apache::lonnet::receipt($Apache::inputtags::part).
977: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
978: }
979: }
980: }
981: if ($awarded >= 1) {
982: $button=0;
983: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
984: $button=0;
985: } else {
986: $button=1;
987: }
988: $previousmsg='';
989: } elsif ($solved =~ /^excused/) {
990: if ($target eq 'tex') {
991: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
992: } else {
993: $message = "<b>".&mt('You are excused from the problem.')."</b>";
994: }
995: $css_class=$possible_class{'charged_try'};
996: $button=0;
997: $previousmsg='';
998: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
999: if ($solved =~ /^incorrect/ || $solved eq '') {
1000: $message = &mt("Incorrect").".";
1001: $css_class=$possible_class{'charged_try'};
1002: $button=1;
1003: } else {
1004: if ($target eq 'tex') {
1005: $message = '\textbf{'.&mt('You are correct.').'}';
1006: } else {
1007: $message = "<b>".&mt('You are correct.')."</b>";
1008: $message.= $computer;
1009: }
1010: $added_computer_text=1;
1011: if ($awarded > 0
1012: && $env{'course.'.
1013: $env{'request.course.id'}.
1014: '.disable_receipt_display'} ne 'yes') {
1015: $message.=(($target eq 'web')?'<br />':' ').
1016: &mt('Your receipt is [_1]',
1017: (&Apache::lonnet::receipt($Apache::inputtags::part).
1018: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1019: }
1020: $css_class=$possible_class{'correct'};
1021: $button=0;
1022: $previousmsg='';
1023: }
1024: } elsif ($award eq 'NO_RESPONSE') {
1025: $message = '';
1026: $css_class=$possible_class{'no_feedback'};
1027: $button=1;
1028: } elsif ($award eq 'EXTRA_ANSWER') {
1029: $message = &mt('Some extra items were submitted.');
1030: $css_class=$possible_class{'not_charged_try'};
1031: $button = 1;
1032: } elsif ($award eq 'MISSING_ANSWER') {
1033: $message = &mt('Some items were not submitted.');
1034: if ($target ne 'tex') {
1035: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1036: }
1037: $css_class=$possible_class{'not_charged_try'};
1038: $button = 1;
1039: } elsif ($award eq 'ERROR') {
1040: $message = &mt('An error occurred while grading your answer.');
1041: $css_class=$possible_class{'not_charged_try'};
1042: $button = 1;
1043: } elsif ($award eq 'TOO_LONG') {
1044: $message = &mt("The submitted answer was too long.");
1045: $css_class=$possible_class{'not_charged_try'};
1046: $button=1;
1047: } elsif ($award eq 'WANTED_NUMERIC') {
1048: $message = &mt("This question expects a numeric answer.");
1049: $css_class=$possible_class{'not_charged_try'};
1050: $button=1;
1051: } elsif ($award eq 'MISORDERED_RANK') {
1052: $message = &mt('You have provided an invalid ranking.');
1053: if ($target ne 'tex') {
1054: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1055: }
1056: $css_class=$possible_class{'not_charged_try'};
1057: $button=1;
1058: } elsif ($award eq 'EXCESS_FILESIZE') {
1059: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
1060: $css_class=$possible_class{'not_charged_try'};
1061: $button=1;
1062: } elsif ($award eq 'FILENAME_INUSE') {
1063: $message = &mt('You have already uploaded a file with that filename.');
1064: if ($target eq 'tex') {
1065: $message.= "\\\\\n";
1066: } else {
1067: $message .= '<br />';
1068: }
1069: $message .= &mt('Please use a different file name.');
1070: $css_class=$possible_class{'not_charged_try'};
1071: $button=1;
1072: } elsif ($award eq 'INVALID_FILETYPE') {
1073: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1074: $css_class=$possible_class{'not_charged_try'};
1075: $button=1;
1076: } elsif ($award eq 'SIG_FAIL') {
1077: my ($used,$min,$max)=split(':',$awardmsg);
1078: my $word = ($used < $min) ? 'more' : 'fewer';
1079: $message = &mt("Submission not graded. Use $word digits.",$used);
1080: $css_class=$possible_class{'not_charged_try'};
1081: $button=1;
1082: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1083: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1084: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1085: $css_class=$possible_class{'not_charged_try'};
1086: $button=1;
1087: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1088: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1089: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1090: $css_class=$possible_class{'not_charged_try'};
1091: $button=1;
1092: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1093: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1094: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1095: $css_class=$possible_class{'not_charged_try'};
1096: $button=1;
1097: } elsif ($award eq 'UNIT_NOTNEEDED') {
1098: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1099: $css_class=$possible_class{'not_charged_try'};
1100: $button=1;
1101: } elsif ($award eq 'NO_UNIT') {
1102: $message = &mt("Units required").'.';
1103: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1104: $css_class=$possible_class{'not_charged_try'};
1105: $button=1;
1106: } elsif ($award eq 'COMMA_FAIL') {
1107: $message = &mt("Proper comma separation is required").'.';
1108: $css_class=$possible_class{'not_charged_try'};
1109: $button=1;
1110: } elsif ($award eq 'BAD_FORMULA') {
1111: $message = &mt("Unable to understand formula").'.';
1112: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1113: $css_class=$possible_class{'not_charged_try'};
1114: $button=1;
1115: } elsif ($award eq 'NOT_FUNCTION') {
1116: $message = &mt("Not a function").'.';
1117: $css_class=$possible_class{'not_charged_try'};
1118: $button=1;
1119: } elsif ($award eq 'WRONG_FORMAT') {
1120: $message = &mt("Wrong format").'.';
1121: $css_class=$possible_class{'not_charged_try'};
1122: $button=1;
1123: } elsif ($award eq 'INTERNAL_ERROR') {
1124: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1125: $css_class=$possible_class{'not_charged_try'};
1126: $button=1;
1127: } elsif ($award eq 'INCORRECT') {
1128: $message = &mt("Incorrect").'.';
1129: $css_class=$possible_class{'charged_try'};
1130: $button=1;
1131: } elsif ($award eq 'SUBMITTED') {
1132: $message = &mt("Your submission has been recorded.");
1133: $css_class=$possible_class{'no_grade'};
1134: $button=1;
1135: } elsif ($award eq 'SUBMITTED_CREDIT') {
1136: $message = &mt("Your submission has been recorded, and credit awarded.");
1137: $css_class=$possible_class{'correct'};
1138: $button=1;
1139: } elsif ($award eq 'ANONYMOUS') {
1140: $message = &mt("Your anonymous submission has been recorded.");
1141: $css_class=$possible_class{'no_grade'};
1142: $button=1;
1143: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1144: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1145: $css_class=$possible_class{'correct'};
1146: $button=1;
1147: } elsif ($award eq 'DRAFT') {
1148: $message = &mt("Copy saved but not submitted.");
1149: $css_class=$possible_class{'not_charged_try'};
1150: $button=1;
1151: } elsif ($award eq 'ASSIGNED_SCORE') {
1152: $message = &mt("A score has been assigned.");
1153: $css_class=$possible_class{'correct'};
1154: $button=0;
1155: } elsif ($award eq '') {
1156: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1157: $message = &mt("Nothing submitted.");
1158: $css_class=$possible_class{'charged_try'};
1159: } else {
1160: $css_class=$possible_class{'not_charged_try'};
1161: }
1162: $button=1;
1163: } else {
1164: $message = &mt("Unknown message").": $award";
1165: $button=1;
1166: }
1167: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1168: foreach my $resid(@Apache::inputtags::response){
1169: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1170: if ($target eq 'tex') {
1171: $message.= "\\\\\n";
1172: } else {
1173: $message.='<br />';
1174: }
1175: my @files = split(/\s*,\s*/,
1176: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1177: my $file_msg;
1178: foreach my $file (@files) {
1179: if ($target eq 'tex') {
1180: $file_msg.= "\\\\\n".$file;
1181: } else {
1182: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1183: }
1184: }
1185: $message .= &mt('Returned file(s): [_1]',$file_msg);
1186: if ($target eq 'tex') {
1187: $message.= "\\\\\n";
1188: } else {
1189: $message.='<br />';
1190: }
1191: }
1192: }
1193:
1194: if (&Apache::lonhomework::hide_problem_status()
1195: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1196: && &hide_award($award)) {
1197: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1198: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1199: if ($interval[0] =~ /\d+/) {
1200: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1201: if (defined($first_access)) {
1202: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1203: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1204: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1205: }
1206: }
1207: }
1208: $css_class=$possible_class{'no_grade'};
1209: $button=1;
1210: }
1211: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1212: !$added_computer_text && $target ne 'tex') {
1213: $message.= $computer;
1214: $added_computer_text=1;
1215: }
1216: if ($Apache::lonhomework::type eq 'practice') {
1217: if ($target eq 'web') {
1218: $message .= '<br />';
1219: } else {
1220: $message .= ' ';
1221: }
1222: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1223: }
1224: return ($button,$css_class,$message,$previousmsg);
1225: }
1226:
1227: sub markup_unit {
1228: my ($unit,$target)=@_;
1229: if ($target eq 'tex') {
1230: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1231: } else {
1232: return "<tt>".$unit."</tt>";
1233: }
1234: }
1235:
1236: sub removealldata {
1237: my ($id)=@_;
1238: foreach my $key (keys(%Apache::lonhomework::results)) {
1239: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1240: &Apache::lonxml::debug("Removing $key");
1241: delete($Apache::lonhomework::results{$key});
1242: }
1243: }
1244: }
1245:
1246: sub hidealldata {
1247: my ($id)=@_;
1248: foreach my $key (keys(%Apache::lonhomework::results)) {
1249: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1250: &Apache::lonxml::debug("Hidding $key");
1251: my $newkey=$key;
1252: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1253: $Apache::lonhomework::results{$newkey}=
1254: $Apache::lonhomework::results{$key};
1255: delete($Apache::lonhomework::results{$key});
1256: }
1257: }
1258: }
1259:
1260: sub setgradedata {
1261: my ($award,$msg,$id,$previously_used) = @_;
1262: if ($Apache::lonhomework::scantronmode &&
1263: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1264: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1265: } elsif ($Apache::lonhomework::scantronmode &&
1266: $env{'form.CODE'} eq '' &&
1267: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1268: $Apache::lonhomework::results{"resource.CODE"}='';
1269: }
1270:
1271: if (!$Apache::lonhomework::scantronmode &&
1272: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1273: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1274: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1275: return '';
1276: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1277: || $Apache::lonhomework::scantronmode
1278: || &Apache::lonhomework::hide_problem_status() ) {
1279: # the student doesn't already have it correct,
1280: # or we are in a mode (scantron orno problem status) where a correct
1281: # can become incorrect
1282: # handle assignment of tries and solved status
1283: my $solvemsg;
1284: if ($Apache::lonhomework::scantronmode) {
1285: $solvemsg='correct_by_scantron';
1286: } else {
1287: $solvemsg='correct_by_student';
1288: }
1289: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1290: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1291: }
1292: if ( $award eq 'ASSIGNED_SCORE') {
1293: $Apache::lonhomework::results{"resource.$id.tries"} =
1294: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1295: $Apache::lonhomework::results{"resource.$id.solved"} =
1296: $solvemsg;
1297: my $numawards=scalar(@Apache::inputtags::response);
1298: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1299: foreach my $res (@Apache::inputtags::response) {
1300: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1301: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1302: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1303: } else {
1304: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1305: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1306: }
1307: }
1308: if ($numawards > 0) {
1309: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1310: $numawards;
1311: }
1312: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1313: $Apache::lonhomework::results{"resource.$id.tries"} =
1314: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1315: $Apache::lonhomework::results{"resource.$id.solved"} =
1316: $solvemsg;
1317: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1318: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1319: $Apache::lonhomework::results{"resource.$id.tries"} =
1320: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1321: $Apache::lonhomework::results{"resource.$id.solved"} =
1322: 'credit_attempted';
1323: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1324: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1325: $Apache::lonhomework::results{"resource.$id.tries"} =
1326: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1327: $Apache::lonhomework::results{"resource.$id.solved"} =
1328: 'credit_attempted';
1329: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1330: } elsif ( $award eq 'INCORRECT' ) {
1331: $Apache::lonhomework::results{"resource.$id.tries"} =
1332: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1333: if (&Apache::lonhomework::hide_problem_status()
1334: || $Apache::lonhomework::scantronmode) {
1335: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1336: }
1337: $Apache::lonhomework::results{"resource.$id.solved"} =
1338: 'incorrect_attempted';
1339: } elsif ( $award eq 'SUBMITTED' ) {
1340: $Apache::lonhomework::results{"resource.$id.tries"} =
1341: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1342: $Apache::lonhomework::results{"resource.$id.solved"} =
1343: 'ungraded_attempted';
1344: } elsif ( $award eq 'ANONYMOUS' ) {
1345: $Apache::lonhomework::results{"resource.$id.tries"} =
1346: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1347: $Apache::lonhomework::results{"resource.$id.solved"} =
1348: 'ungraded_attempted';
1349: } elsif ( $award eq 'DRAFT' ) {
1350: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1351: } elsif ( $award eq 'NO_RESPONSE' ) {
1352: #no real response so delete any data that got stored
1353: &removealldata($id);
1354: return '';
1355: } else {
1356: $Apache::lonhomework::results{"resource.$id.solved"} =
1357: 'incorrect_attempted';
1358: if (&Apache::lonhomework::show_no_problem_status()
1359: || $Apache::lonhomework::scantronmode) {
1360: $Apache::lonhomework::results{"resource.$id.tries"} =
1361: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1362: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1363: }
1364:
1365: if (&Apache::lonhomework::show_some_problem_status()) {
1366: # clear out the awarded if they had gotten it wrong/right
1367: # and are now in an error mode
1368: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1369: }
1370: }
1371: if (defined($msg)) {
1372: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1373: }
1374: # did either of the overall awards chage? If so ignore the
1375: # previous check
1376: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1377: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1378: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1379: $Apache::lonhomework::history{"resource.$id.solved"})) {
1380: # check if this was a previous submission if it was delete the
1381: # unneeded data and update the previously_used attribute
1382: if ( $previously_used eq 'PREVIOUSLY_USED') {
1383: if (&Apache::lonhomework::show_problem_status()) {
1384: delete($Apache::lonhomework::results{"resource.$id.tries"});
1385: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1386: }
1387: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1388: #delete all data as they student didn't do anything, but save
1389: #the list of collaborators.
1390: &removealldata($id);
1391: #and since they didn't do anything we were never here
1392: return '';
1393: } else {
1394: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1395: }
1396: }
1397: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1398: #delete all data as they student already has it correct
1399: &removealldata($id);
1400: #and since they didn't do anything we were never here
1401: return '';
1402: }
1403: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1404: if ($award eq 'SUBMITTED') {
1405: &Apache::response::add_to_gradingqueue();
1406: }
1407: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1408: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1409: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1410: $Apache::lonhomework::results{"resourse.$id.version"} = &Apache::lonnet::usedversion();
1411: }
1412:
1413: sub find_which_previous {
1414: my ($version) = @_;
1415: my $part = $Apache::inputtags::part;
1416: my (@previous_version);
1417: foreach my $resp (@Apache::inputtags::response) {
1418: my $key = "$version:resource.$part.$resp.submission";
1419: my $submission = $Apache::lonhomework::history{$key};
1420: my %previous = &Apache::response::check_for_previous($submission,
1421: $part,$resp,
1422: $version);
1423: push(@previous_version,$previous{'version'});
1424: }
1425: return &previous_match(\@previous_version,
1426: scalar(@Apache::inputtags::response));
1427: }
1428:
1429: sub previous_match {
1430: my ($previous_array,$count) = @_;
1431: my $match = 0;
1432: my @matches;
1433: foreach my $versionar (@$previous_array) {
1434: foreach my $version (@$versionar) {
1435: $matches[$version]++;
1436: }
1437: }
1438: my $which=0;
1439: foreach my $elem (@matches) {
1440: if ($elem eq $count) {
1441: $match=1;
1442: last;
1443: }
1444: $which++;
1445: }
1446: return ($match,$which);
1447: }
1448:
1449: sub grade {
1450: my ($target) = @_;
1451: my $id = $Apache::inputtags::part;
1452: my $response='';
1453: if ( defined $env{'form.submitted'}) {
1454: my (@awards,@msgs);
1455: foreach $response (@Apache::inputtags::response) {
1456: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1457: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1458: &Apache::lonxml::debug("keeping $value from $response for $id");
1459: push (@awards,$value);
1460: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1461: &Apache::lonxml::debug("got message $value from $response for $id");
1462: push (@msgs,$value);
1463: }
1464: my ($finalaward,$msg) =
1465: &finalizeawards(\@awards,\@msgs,undef,undef,
1466: $Apache::lonhomework::scantronmode);
1467: my $previously_used;
1468: if ( $#Apache::inputtags::previous eq $#awards ) {
1469: my ($match) =
1470: &previous_match(\@Apache::inputtags::previous_version,
1471: scalar(@Apache::inputtags::response));
1472:
1473: if ($match) {
1474: $previously_used = 'PREVIOUSLY_LAST';
1475: foreach my $value (@Apache::inputtags::previous) {
1476: if ($value eq 'PREVIOUSLY_USED' ) {
1477: $previously_used = $value;
1478: last;
1479: }
1480: }
1481: }
1482: }
1483: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1484: &setgradedata($finalaward,$msg,$id,$previously_used);
1485: }
1486: return '';
1487: }
1488:
1489: sub get_grade_messages {
1490: my ($id,$prefix,$target,$status,$nocorrect) = @_;
1491: # nocorrect suppresses "Computer's answer now shown above"
1492: my ($message,$latemessage,$trystr,$previousmsg);
1493: my $showbutton = 1;
1494:
1495: my $award = $Apache::lonhomework::history{"$prefix.award"};
1496: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1497: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1498: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1499: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1500: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1501: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1502: &Apache::lonxml::debug('Getting message');
1503: ($showbutton,my $css_class,$message,$previousmsg) =
1504: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1505: $target,(($status eq 'CAN_ANSWER') || $nocorrect));
1506: if ($target eq 'tex') {
1507: $message='\vskip 2 mm '.$message.' ';
1508: } else {
1509: $message="<td class=\"$css_class\">$message</td>";
1510: if ($previousmsg) {
1511: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1512: }
1513: }
1514: }
1515: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1516: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1517: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1518: #if tries are set to negative turn off the Tries/Button and messages
1519: if (defined($maxtries) && $maxtries < 0) { return ''; }
1520: if ( $tries eq '' ) { $tries = '0'; }
1521: if ( $maxtries eq '' ) { $maxtries = '2'; }
1522: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1523: my $tries_text= &get_tries_text();
1524: if ($showbutton) {
1525: if ($target eq 'tex') {
1526: if ($env{'request.state'} ne "construct"
1527: && $Apache::lonhomework::type ne 'exam'
1528: && $env{'form.suppress_tries'} ne 'yes') {
1529: $trystr ='{\vskip 1 mm \small '
1530: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1531: ,'\textit{','}',$tries.'/'.$maxtries )
1532: .'} \vskip 2 mm';
1533: } else {
1534: $trystr = '\vskip 0 mm ';
1535: }
1536: } else {
1537: my $trial =$tries;
1538: if ($Apache::lonhomework::parsing_a_task) {
1539: } elsif($env{'request.state'} ne 'construct') {
1540: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1541: } else {
1542: if (defined($Apache::inputtags::params{'maxtries'})) {
1543: $trial.="/".$Apache::inputtags::params{'maxtries'};
1544: }
1545: }
1546: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1547: }
1548: }
1549:
1550: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1551: #last submissions was after due date
1552: $latemessage=&mt(' The last submission was after the Due Date ');;
1553: if ($target eq 'web') {
1554: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1555: }
1556: }
1557: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1558: }
1559:
1560: sub gradestatus {
1561: my ($id,$target,$no_previous) = @_;
1562: my $showbutton = 1;
1563: my $message = '';
1564: my $latemessage = '';
1565: my $trystr='';
1566: my $button='';
1567: my $previousmsg='';
1568:
1569: my $status = $Apache::inputtags::status['-1'];
1570: &Apache::lonxml::debug("gradestatus has :$status:");
1571: if ( $status ne 'CLOSED'
1572: && $status ne 'UNAVAILABLE'
1573: && $status ne 'INVALID_ACCESS'
1574: && $status ne 'NEEDS_CHECKIN'
1575: && $status ne 'NOT_IN_A_SLOT'
1576: && $status ne 'RESERVABLE'
1577: && $status ne 'RESERVABLE_LATER'
1578: && $status ne 'NOTRESERVABLE') {
1579:
1580: if ($status eq 'SHOW_ANSWER') {
1581: $showbutton = 0;
1582: }
1583:
1584: ($previousmsg,$latemessage,$message,$trystr) =
1585: &get_grade_messages($id,"resource.$id",$target,$status,
1586: $showbutton);
1587: if ($status eq 'CANNOT_ANSWER') {
1588: $showbutton = 0;
1589: }
1590: if ( $status eq 'SHOW_ANSWER') {
1591: undef($previousmsg);
1592: }
1593: if ( $showbutton ) {
1594: if ($target ne 'tex') {
1595: $button =
1596: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1597: type="submit" name="submit_'.$id.'"
1598: value="'.&mt('Submit Answer').'" />';
1599: }
1600: }
1601:
1602: }
1603: my $output= $previousmsg.$latemessage.$message.$trystr;
1604: if ($output =~ /^\s*$/) {
1605: return $button;
1606: } else {
1607: if ($target eq 'tex') {
1608: return $button.' \vskip 0 mm '.$output.' ';
1609: } else {
1610: $output =
1611: '<table><tr><td>'.$button.'</td>'.$output;
1612: if (!$no_previous) {
1613: $output.='<td>'.&previous_tries($id,$target).'</td>';
1614: }
1615: $output.= '</tr></table>';
1616: return $output;
1617: }
1618: }
1619: }
1620:
1621: sub previous_tries {
1622: my ($id,$target) = @_;
1623: my $output;
1624: my $status = $Apache::inputtags::status['-1'];
1625:
1626: my $count;
1627: my %count_lookup;
1628: my $lastrndseed;
1629:
1630: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1631: my $prefix = $i.":resource.$id";
1632: my $is_anon;
1633: if (defined($env{'form.grade_symb'})) {
1634: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1635: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1636: $is_anon = 1;
1637: }
1638: }
1639: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1640: $count++;
1641: $count_lookup{$i} = $count;
1642: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1643: my ($previousmsg,$latemessage,$message,$trystr);
1644:
1645: ($previousmsg,$latemessage,$message,$trystr) =
1646: &get_grade_messages($id,"$prefix",$target,$status);
1647:
1648: if ($previousmsg ne '') {
1649: my ($match,$which) = &find_which_previous($i);
1650: $message=$previousmsg;
1651: my $previous = $count_lookup{$which};
1652: $message =~ s{(</td>)}{ as submission \# $previous $1};
1653: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1654: if (!(&Apache::lonhomework::hide_problem_status()
1655: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1656: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1657: ) {
1658:
1659: my $txt_correct = &mt('Correct');
1660: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1661: if ($awarded < 1 && $awarded > 0) {
1662: $txt_correct=&mt('Partially Correct');
1663: } elsif ($awarded < 1) {
1664: if ($awarded eq '') {
1665: $txt_correct='';
1666: } else {
1667: $txt_correct=&mt('Incorrect');
1668: }
1669: }
1670: $message =~ s{(<td.*?>)(.*?)(</td>)}
1671: {$1 <strong>$txt_correct</strong>. $3}s;
1672: }
1673: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1674: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1675: if ($curr_rndseed ne $lastrndseed) {
1676: $trystr .= '<br /><span style="color: green; white-space: nowrap; font-style: italic; font-weight: bold; font-size: 80%;">'.&mt('New problem variation this try.').'</span>';
1677: }
1678: }
1679: $message =~ s{(</td>)}{ $trystr $1};
1680: }
1681: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1682: $message =~ s{(<td.*?>)}{<td>};
1683:
1684:
1685: $output.='<tr class="'.$class.'">';
1686: $output.='<td align="center">'.$count.'</td>';
1687: $output.=$message;
1688:
1689: foreach my $resid (@Apache::inputtags::response) {
1690: my $prefix = $prefix.".$resid";
1691: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1692: my $submission =
1693: $Apache::inputtags::submission_display{"$prefix.submission"};
1694: if (!defined($submission)) {
1695: $submission =
1696: $Apache::lonhomework::history{"$prefix.submission"};
1697: }
1698: if ($is_anon) {
1699: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1700: } else {
1701: $output.='<td>'.$submission.'</td>';
1702: }
1703: } else {
1704: $output.='<td></td>';
1705: }
1706: }
1707: $output.=&Apache::loncommon::end_data_table_row()."\n";
1708: $lastrndseed = $curr_rndseed;
1709: }
1710: return if ($output eq '');
1711: my $headers =
1712: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1713: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1714: &mt('Submitted Answer').'</th>';
1715: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1716:
1717: my $tries_text = &get_tries_text('link');
1718: my $prefix = $env{'form.request.prefix'};
1719: $prefix =~ tr{.}{_};
1720: my $function_name = "LONCAPA_previous_tries_".$prefix.
1721: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1722: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1723: return $result;
1724: }
1725:
1726: sub get_tries_text {
1727: my ($context) = @_;
1728: my $tries_text;
1729: if ($context eq 'link') {
1730: $tries_text = 'Previous Tries';
1731: } else {
1732: $tries_text = 'Tries';
1733: }
1734: if ( $Apache::lonhomework::type eq 'survey' ||
1735: $Apache::lonhomework::type eq 'surveycred' ||
1736: $Apache::lonhomework::type eq 'anonsurvey' ||
1737: $Apache::lonhomework::type eq 'anonsurveycred' ||
1738: $Apache::lonhomework::parsing_a_task) {
1739: if ($context eq 'link') {
1740: $tries_text = 'Previous Submissions';
1741: } else {
1742: $tries_text = 'Submissions';
1743: }
1744: }
1745: return $tries_text;
1746: }
1747:
1748: 1;
1749: __END__
1750:
1751: =pod
1752:
1753: =back
1754:
1755: =cut
1756:
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