1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.313 2012/12/28 16:12:07 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27:
28: =pod
29:
30: =head1 NAME
31:
32: Apache::inputtags
33:
34: =head1 SYNOPSIS
35:
36:
37:
38: This is part of the LearningOnline Network with CAPA project
39: described at http://www.lon-capa.org.
40:
41:
42: =head1 NOTABLE SUBROUTINES
43:
44: =over
45:
46: =item
47:
48: =back
49:
50: =cut
51:
52: package Apache::inputtags;
53: use HTML::Entities();
54: use strict;
55: use Apache::loncommon;
56: use Apache::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: $result .= &Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
270: ['none', 'en', 'de', 'fr'], $token);
271: } elsif ($target eq 'modified') {
272: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
273: $safeeval,'rows','cols',
274: 'addchars', 'spellcheck');
275: if ($constructtag) {
276: $result = &Apache::edit::rebuild_tag($token);
277: } else {
278: $result=$token->[4];
279: }
280: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
281: } elsif ($target eq 'tex') {
282: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
283: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
284: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
285: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
286: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
287: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
288: } else {
289: if ($env{'form.pdfFormFields'} eq 'yes') {
290: my $fieldname = $env{'request.symb'}.
291: '&part_'. $Apache::inputtags::part.
292: '&textresponse'.
293: '&HWVAL_' . $Apache::inputtags::response['-1'];
294: $result.='\TextField[name='.$fieldname.',multiline=true,height=6\baselineskip,width=270,borderwidth=0,backgroundcolor={.85 .85 .85}]\\';
295: } else {
296: my $TeXwidth=$width_of_box/80;
297: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
298: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
299: $result.='}}}\vskip 2 mm ';
300: }
301: }
302: }
303: return $result;
304: }
305:
306: sub end_textfield {
307: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
308: my $result;
309: if ($target eq 'web') {
310: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
311: $Apache::lonxml::evaluate++;
312: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
313: my $resid = $Apache::inputtags::response[-1];
314: my $tagident = 'HWVAL_' . $resid;
315: my $result = "</textarea>";
316: $result .= &spellcheck_onblur($tagident, $spellcheck);
317: return $result;
318: }
319: } elsif ($target eq 'edit') {
320: $result=&Apache::edit::end_table();
321: }
322: &end_input;
323: return $result;
324: }
325:
326: sub exam_score_line {
327: my ($target) = @_;
328:
329: my $result;
330: if ($target eq 'tex') {
331: my $repetition = &Apache::response::repetition();
332: $result.='\begin{enumerate}';
333: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
334: foreach my $i (0..$repetition-1) {
335: $result.='\item[\textbf{'.
336: ($Apache::lonxml::counter+$i).
337: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
338: }
339: $result.= '\end{enumerate}';
340: }
341:
342: return $result;
343: }
344:
345: sub exam_box {
346: my ($target) = @_;
347: my $result;
348:
349: if ($target eq 'tex') {
350: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
351: $result .= &exam_score_line($target);
352: } elsif ($target eq 'web') {
353: my $id=$Apache::inputtags::response[-1];
354: $result.= '<br /><br />
355: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
356: </textarea> <br /><br />';
357: }
358: return $result;
359: }
360:
361: sub needs_exam_box {
362: my ($tagstack) = @_;
363: my @tags = ('formularesponse',
364: 'stringresponse',
365: 'reactionresponse',
366: 'organicresponse',
367: );
368:
369: foreach my $tag (@tags) {
370: if (grep(/\Q$tag\E/,@$tagstack)) {
371: return 1;
372: }
373: }
374: return 0;
375: }
376:
377: sub start_textline {
378: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
379: my $result = "";
380: my $input_id = &start_input($parstack,$safeeval);
381:
382: # The spellcheck attribute
383: # 1. enables spellchecking.
384: # 2. Provides the language code in which the spellchecking will be performed.
385:
386: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
387: if ($target eq 'web') {
388: $Apache::lonxml::evaluate--;
389: my $partid=$Apache::inputtags::part;
390: my $id=$Apache::inputtags::response[-1];
391: if (!&Apache::response::show_answer()) {
392: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
393: my $maxlength;
394: if ($size eq '') { $size=20; } else {
395: if ($size < 20) {
396: $maxlength = ' maxlength="'.$size.'"';
397: }
398: }
399: my ($oldresponse,$newvariation);
400: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
401: ($Apache::lonhomework::type eq 'randomizetry')) &&
402: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
403: if ($env{'form.'.$partid.'.rndseed'} ne
404: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
405: $newvariation = 1;
406: }
407: }
408: unless ($newvariation) {
409: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
410: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
411: if (ref($oldresponse) eq 'ARRAY') {
412: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
413: }
414: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
415: $oldresponse =~ s/^\s+//;
416: $oldresponse =~ s/\s+$//;
417: $oldresponse =~ s/\s+/ /g;
418: }
419: if ($Apache::lonhomework::type ne 'exam') {
420: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
421: $result='';
422: if ($addchars) {
423: $result.=&addchars('HWVAL_'.$id,$addchars);
424: }
425: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
426: $safeeval);
427: if (lc($readonly) eq 'yes'
428: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
429: $readonly=' readonly="readonly" ';
430: } else {
431: $readonly='';
432: }
433: my $name = 'HWVAL_'.$id;
434: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
435: $name = "none";
436: }
437: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
438: . ' type="text" '
439: . $readonly.' name="'. $name . '"'
440: . ' id="' . $name . '"'
441: . ' value="'. $oldresponse.'"'
442: . ' class="spellchecked" size="'.$size.'"'.$maxlength
443: . '/>';
444:
445: $result .= &spellcheck_onblur($name, $spellcheck);
446: }
447: if ($Apache::lonhomework::type eq 'exam'
448: && &needs_exam_box($tagstack)) {
449: $result.=&exam_box($target);
450: }
451: } else {
452: #right or wrong don't show what was last typed in.
453: my $count = scalar(@Apache::inputtags::inputlist)-1;
454: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
455: #$result='';
456: }
457: } elsif ($target eq 'edit') {
458: $result=&Apache::edit::tag_start($target,$token);
459: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
460: &Apache::edit::text_arg('Click-On Texts (comma sep):',
461: 'addchars',$token,10);
462: $result.=&Apache::edit::select_arg('Readonly:','readonly',
463: ['no','yes'],$token);
464: $result.=&Apache::edit::select_arg("Spellcheck for: ", 'spellcheck',
465: ['none', 'en', 'de', 'fr'], $token);
466: $result.=&Apache::edit::end_row();
467: $result.=&Apache::edit::end_table();
468: } elsif ($target eq 'modified') {
469: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
470: $safeeval,'size',
471: 'addchars','readonly', 'spellcheck');
472: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
473: } elsif ($target eq 'tex'
474: && $Apache::lonhomework::type ne 'exam') {
475: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
476: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
477: if ($env{'form.pdfFormFields'} eq 'yes'
478: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
479: my $fieldname = $env{'request.symb'}.
480: '&part_'. $Apache::inputtags::part.
481: '&textresponse'.
482: '&HWVAL_' . $Apache::inputtags::response['-1'];
483: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
484: } else {
485: $result='\framebox['.$size.'][s]{\tiny\strut}';
486: }
487: } elsif ($target eq 'tex'
488: && $Apache::lonhomework::type eq 'exam'
489: && &needs_exam_box($tagstack)) {
490: $result.=&exam_box($target);
491: }
492: return $result;
493: }
494:
495: sub end_textline {
496: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
497: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
498: elsif ($target eq 'edit') { return ('','no'); }
499: &end_input();
500: return "";
501: }
502:
503: sub start_hiddenline {
504: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
505: my $result = "";
506: my $input_id = &start_input($parstack,$safeeval);
507: if ($target eq 'web') {
508: $Apache::lonxml::evaluate--;
509: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
510: my $partid=$Apache::inputtags::part;
511: my $id=$Apache::inputtags::response[-1];
512: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
513: if (ref($oldresponse) eq 'ARRAY') {
514: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
515: }
516: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
517:
518: if ($Apache::lonhomework::type ne 'exam') {
519: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
520: $oldresponse.'" />';
521: }
522: }
523: } elsif ($target eq 'edit') {
524: $result=&Apache::edit::tag_start($target,$token);
525: $result.=&Apache::edit::end_table;
526: }
527:
528: if ( ($target eq 'web' || $target eq 'tex')
529: && $Apache::lonhomework::type eq 'exam'
530: && &needs_exam_box($tagstack)) {
531: $result.=&exam_box($target);
532: }
533: return $result;
534: }
535:
536: sub end_hiddenline {
537: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
538: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
539: elsif ($target eq 'edit') { return ('','no'); }
540: &end_input();
541: return "";
542: }
543:
544:
545: sub start_hiddensubmission {
546: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
547: my $result = "";
548: my $input_id = &start_input($parstack,$safeeval);
549: if ($target eq 'web') {
550: $Apache::lonxml::evaluate--;
551: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
552: my $partid=$Apache::inputtags::part;
553: my $id=$Apache::inputtags::response[-1];
554: if ($Apache::lonhomework::type ne 'exam') {
555: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
556: $value = &HTML::Entities::encode($value,'<>&"');
557: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
558: }
559: }
560: } elsif ($target eq 'edit') {
561: $result=&Apache::edit::tag_start($target,$token);
562: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
563: $result.=&Apache::edit::end_row();
564: $result.=&Apache::edit::end_table();
565: } elsif ($target eq 'modified') {
566: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
567: $safeeval,'value');
568: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
569: }
570:
571: if ( ($target eq 'web' || $target eq 'tex')
572: && $Apache::lonhomework::type eq 'exam'
573: && &needs_exam_box($tagstack)) {
574: $result.=&exam_box($target);
575: }
576: return $result;
577: }
578:
579: sub end_hiddensubmission {
580: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
581: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
582: elsif ($target eq 'edit') { return ('','no'); }
583: &end_input();
584: return "";
585: }
586:
587: =pod
588:
589: =item file_selector()
590:
591: $part -> partid
592: $id -> responseid
593: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
594: $which -> 'uploadonly' -> only newly uploaded files
595: 'portfolioonly' -> only allow files from portfolio
596: 'both' -> allow files from either location
597: $extratext -> additional text to go between the link and the input box
598: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
599: returns a table row <tr>
600:
601: =cut
602:
603: sub file_selector {
604: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
605: if (!$uploadedfiletypes) { return ''; }
606:
607: my $jspart=$part;
608: $jspart=~s/\./_/g;
609:
610: my $result;
611: my $current_files_display = ¤t_file_submissions($part,$id);
612: my $addfiles;
613: if ($current_files_display) {
614: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
615: $current_files_display.
616: &Apache::lonhtmlcommon::row_closure();
617: $addfiles = &mt('Submit other file(s)');
618: } else {
619: $addfiles = &mt('Choose file(s) to submit');
620: }
621: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
622: my $constraints;
623: if ($uploadedfiletypes ne '*') {
624: $constraints =
625: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
626: }
627: if ($maxfilesize) {
628: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].',
629: '<b>'.$maxfilesize.'</b>').'<br />';
630: }
631: if ($constraints) {
632: $result .= $constraints.'<br />';
633: }
634: if ($which eq 'uploadonly' || $which eq 'both') {
635: $result.=&mt('Submit a file: (only one file per submission)').
636: ' <br /><input type="file" size="50" name="HWFILE'.
637: $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
638: }
639: if ( $which eq 'both') {
640: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
641: }
642: if ($which eq 'portfolioonly' || $which eq 'both') {
643: my $symb = $env{'request.symb'};
644: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
645: my $showsymb;
646: # If resource is a .task and URL is unencrypted, include symb in query string
647: # for url opened in portfolio file selection window. Can be used to override
648: # blocking of portfolio access resulting from an exam event in a different course.
649: if ($res =~ /\.task$/i) {
650: my $encsymb = &Apache::lonenc::check_encrypt($symb);
651: if ($symb eq $encsymb) {
652: $showsymb = $symb;
653: }
654: }
655: $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"))'."'".'>'.
656: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
657: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
658: '<br />';
659:
660: }
661: $result.=&Apache::lonhtmlcommon::row_closure(1);
662: return $result;
663: }
664:
665: sub current_file_submissions {
666: my ($part,$id) = @_;
667: my $jspart=$part;
668: $jspart=~s/\./_/g;
669: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
670: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
671: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
672: my $header = &Apache::loncommon::start_data_table().
673: &Apache::loncommon::start_data_table_header_row();
674: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
675: $header .= '<th>'.&mt('Delete?').'</th>';
676: }
677: $header .= '<th>'.&mt('File').'</th>'.
678: '<th>'.&mt('Size (MB)').'</th>'.
679: '<th>'.&mt('Last Modified').'</th>'.
680: &Apache::loncommon::end_data_table_header_row();
681: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
682: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
683: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
684: if ($uploadedfile) {
685: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
686: my $link = &HTML::Entities::encode($url,'<>&"');
687: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
688: my ($status,$hashref,$error) =
689: ¤t_file_info($url,$link,$name,$path);
690: if ($status eq 'ok') {
691: push(@{$okfiles{$name}},$url);
692: $rows{$url} = $hashref;
693: $legacy{$url} = 1;
694: &Apache::lonxml::extlink($url);
695: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
696: } else {
697: push(@bad_file_list,$error);
698: }
699: }
700: if ($portfiles =~ /[^\s]/) {
701: my $prefix = "/uploaded/$udom/$uname/portfolio";
702: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
703: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
704: my $url = $prefix.$path.$name;
705: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
706: my ($status,$hashref,$error) =
707: ¤t_file_info($url,$uploadedfile,$name,$path);
708: if ($status eq 'ok') {
709: push(@{$okfiles{$name}},$url);
710: $rows{$url} = $hashref;
711: } else {
712: push(@bad_file_list,$error);
713: }
714: }
715: }
716: my $num = 0;
717: foreach my $name (sort(keys(%okfiles))) {
718: if (ref($okfiles{$name}) eq 'ARRAY') {
719: foreach my $url (@{$okfiles{$name}}) {
720: if (ref($rows{$url}) eq 'HASH') {
721: my $link = $rows{$url}{link};
722: my $portfile = $rows{$url}{path}.$rows{$url}{name};
723: $portfile = &HTML::Entities::encode($portfile,'<>&"');
724: if ($link) {
725: my $icon=&Apache::loncommon::icon($url);
726: unless ($header_shown) {
727: $result .= $header;
728: $header_shown = 1;
729: }
730: $result.=
731: &Apache::loncommon::start_data_table_row()."\n";
732: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
733: $result .=
734: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
735: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
736: $num ++;
737: }
738: my $showname = $rows{$url}{path}.$name;
739: if ($legacy{$url}) {
740: $showname = $name.' '.&mt('not in portfolio');
741: }
742: $result .=
743: '<td><a href="'.$link.'"><img src="'.$icon.
744: '" border="0" alt="" />'.$showname.'</a></td>'."\n".
745: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
746: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
747: &Apache::loncommon::end_data_table_row();
748: }
749: }
750: }
751: }
752: }
753: if ($header_shown) {
754: $result .= &Apache::loncommon::end_data_table();
755: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
756: $result .= '<br /><span class="LC_warning">'.
757: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
758: }
759: }
760: if (@bad_file_list) {
761: my $bad_files = '<span class="LC_filename">'.
762: join('</span>, <span class="LC_filename">',@bad_file_list).
763: '</span>';
764: $result.='<p class="LC_error">'.
765: &mt("These file(s) don't exist: [_1]",$bad_files).
766: '</p>';
767: }
768: return $result;
769: }
770:
771: sub current_file_info {
772: my ($url,$uploadedfile,$name,$path) = @_;
773: my ($status,$error,%info);
774: my @stat = &Apache::lonnet::stat_file($url);
775: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
776: my ($lastmod,$size);
777: if ($stat[9] =~ /^\d+$/) {
778: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
779: }
780: $size = $stat[7]/(1024*1024);
781: $size = sprintf("%.3f",$size);
782: %info = (
783: link => $uploadedfile,
784: name => $name,
785: path => $path,
786: size => $size,
787: lastmodified => $lastmod,
788: );
789: $status = 'ok';
790: } else {
791: &Apache::lonnet::logthis("bad file is $url");
792: my $icon=&Apache::loncommon::icon($url);
793: $error = '<a href="'.$url.'"><img src="'.$icon.
794: '" border="0" />'.$uploadedfile.'</a>';
795: }
796: return ($status,\%info,$error);
797: }
798:
799: sub valid_award {
800: my ($award) =@_;
801: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
802: 'NO_RESPONSE',
803: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
804: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
805: 'UNIT_FAIL', 'NO_UNIT',
806: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
807: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
808: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
809: 'MISORDERED_RANK', 'INVALID_FILETYPE',
810: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
811: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
812: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
813: 'ASSIGNED_SCORE', 'APPROX_ANS',
814: 'EXACT_ANS','COMMA_FAIL') {
815: if ($award eq $possibleaward) { return 1; }
816: }
817: return 0;
818: }
819:
820: {
821: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
822: 'TOO_LONG',
823: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
824: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
825: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
826: 'WRONG_FORMAT', 'INTERNAL_ERROR',
827: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
828: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
829: 'DRAFT', 'SUBMITTED',
830: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
831: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
832: my $i=0;
833: my %fwd_awards = map { ($_,$i++) } @awards;
834: my $max=scalar(@awards);
835: @awards=reverse(@awards);
836: $i=0;
837: my %rev_awards = map { ($_,$i++) } @awards;
838:
839: sub awarddetail_to_awarded {
840: my ($awarddetail) = @_;
841: if ($awarddetail eq 'EXACT_ANS'
842: || $awarddetail eq 'APPROX_ANS') {
843: return 1;
844: }
845: return 0;
846: }
847:
848: sub hide_award {
849: my ($award) = @_;
850: if (&Apache::lonhomework::show_no_problem_status()) {
851: return 1;
852: }
853: if ($award =~
854: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
855: return 1;
856: }
857: return 0;
858: }
859:
860: sub finalizeawards {
861: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
862: my $result;
863: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
864: if ($result eq '' ) {
865: my $blankcount;
866: foreach my $award (@$awardref) {
867: if ($award eq '') {
868: $result='MISSING_ANSWER';
869: $blankcount++;
870: }
871: }
872: if ($blankcount == ($#$awardref + 1)) {
873: return ('NO_RESPONSE');
874: }
875: }
876:
877: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
878:
879: if (!$final_scantron && defined($result)) { return ($result); }
880:
881: # if in scantron mode, if the award for any response is
882: # assigned score, then the part gets an assigned score
883: if ($final_scantron
884: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
885: return ('ASSIGNED_SCORE');
886: }
887:
888: # if in scantron mode, if the award for any response is
889: # correct and there are non-correct responses,
890: # then the part gets an assigned score
891: if ($final_scantron
892: && (grep { $_ eq 'EXACT_ANS' ||
893: $_ eq 'APPROX_ANS' } (@$awardref))
894: && (grep { $_ ne 'EXACT_ANS' &&
895: $_ ne 'APPROX_ANS' } (@$awardref))) {
896: return ('ASSIGNED_SCORE');
897: }
898: # these awards are ordered from most important error through best correct
899: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
900:
901: my $best = $max;
902: my $j=0;
903: my $which;
904: foreach my $award (@$awardref) {
905: if ($awards->{$award} < $best) {
906: $best = $awards->{$award};
907: $which = $j;
908: }
909: $j++;
910: }
911:
912: if (defined($which)) {
913: if (ref($nameref)) {
914: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
915: } else {
916: return ($$awardref[$which],$$msgref[$which]);
917: }
918: }
919: return ('ERROR',undef);
920: }
921: }
922:
923: sub decideoutput {
924: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect)=@_;
925:
926: my $message='';
927: my $button=0;
928: my $previousmsg;
929: my $css_class='orange';
930: my $added_computer_text=0;
931: my %possible_class =
932: ( 'correct' => 'LC_answer_correct',
933: 'charged_try' => 'LC_answer_charged_try',
934: 'not_charged_try' => 'LC_answer_not_charged_try',
935: 'no_grade' => 'LC_answer_no_grade',
936: 'no_message' => 'LC_no_message',
937: );
938:
939: my $part = $Apache::inputtags::part;
940: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
941: my $handgrade = ('yes' eq lc($tohandgrade));
942: #
943: # Should "Computer's Answer" be displayed?
944: # Should not be displayed if still answerable,
945: # if the problem is handgraded,
946: # or if the problem does not give a correct answer
947: #
948:
949: my $computer = ($handgrade || $nocorrect)? ''
950: : " ".&mt("Computer's answer now shown above.");
951: &Apache::lonxml::debug("handgrade has :$handgrade:");
952:
953: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
954:
955: if ($solved =~ /^correct/) {
956: $css_class=$possible_class{'correct'};
957: $message=&mt('You are correct.');
958: if ($awarded < 1 && $awarded > 0) {
959: $message=&mt('You are partially correct.');
960: $css_class=$possible_class{'not_charged_try'};
961: } elsif ($awarded < 1) {
962: $message=&mt('Incorrect.');
963: $css_class=$possible_class{'charged_try'};
964: }
965: if ($handgrade ||
966: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
967: $message = &mt("A score has been assigned.");
968: $added_computer_text=1;
969: } else {
970: if ($target eq 'tex') {
971: $message = '\textbf{'.$message.'}';
972: } else {
973: $message = "<b>".$message."</b>";
974: $message.= $computer;
975: }
976: $added_computer_text=1;
977: if ($awarded > 0) {
978: my ($symb) = &Apache::lonnet::whichuser();
979: if (($symb ne '')
980: &&
981: ($env{'course.'.$env{'request.course.id'}.
982: '.disable_receipt_display'} ne 'yes') &&
983: ($Apache::lonhomework::type ne 'practice')) {
984: $message.=(($target eq 'web')?'<br />':' ').
985: &mt('Your receipt no. is [_1]',
986: (&Apache::lonnet::receipt($Apache::inputtags::part).
987: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
988: }
989: }
990: }
991: if ($awarded >= 1) {
992: $button=0;
993: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
994: $button=0;
995: } else {
996: $button=1;
997: }
998: $previousmsg='';
999: } elsif ($solved =~ /^excused/) {
1000: if ($target eq 'tex') {
1001: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
1002: } else {
1003: $message = "<b>".&mt('You are excused from the problem.')."</b>";
1004: }
1005: $css_class=$possible_class{'charged_try'};
1006: $button=0;
1007: $previousmsg='';
1008: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1009: if ($solved =~ /^incorrect/ || $solved eq '') {
1010: $message = &mt("Incorrect").".";
1011: $css_class=$possible_class{'charged_try'};
1012: $button=1;
1013: } else {
1014: if ($target eq 'tex') {
1015: $message = '\textbf{'.&mt('You are correct.').'}';
1016: } else {
1017: $message = "<b>".&mt('You are correct.')."</b>";
1018: $message.= $computer;
1019: }
1020: $added_computer_text=1;
1021: if ($awarded > 0
1022: && $env{'course.'.
1023: $env{'request.course.id'}.
1024: '.disable_receipt_display'} ne 'yes') {
1025: $message.=(($target eq 'web')?'<br />':' ').
1026: &mt('Your receipt is [_1]',
1027: (&Apache::lonnet::receipt($Apache::inputtags::part).
1028: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1029: }
1030: $css_class=$possible_class{'correct'};
1031: $button=0;
1032: $previousmsg='';
1033: }
1034: } elsif ($award eq 'NO_RESPONSE') {
1035: $message = '';
1036: $css_class=$possible_class{'no_feedback'};
1037: $button=1;
1038: } elsif ($award eq 'EXTRA_ANSWER') {
1039: $message = &mt('Some extra items were submitted.');
1040: $css_class=$possible_class{'not_charged_try'};
1041: $button = 1;
1042: } elsif ($award eq 'MISSING_ANSWER') {
1043: $message = &mt('Some items were not submitted.');
1044: if ($target ne 'tex') {
1045: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1046: }
1047: $css_class=$possible_class{'not_charged_try'};
1048: $button = 1;
1049: } elsif ($award eq 'ERROR') {
1050: $message = &mt('An error occurred while grading your answer.');
1051: $css_class=$possible_class{'not_charged_try'};
1052: $button = 1;
1053: } elsif ($award eq 'TOO_LONG') {
1054: $message = &mt("The submitted answer was too long.");
1055: $css_class=$possible_class{'not_charged_try'};
1056: $button=1;
1057: } elsif ($award eq 'WANTED_NUMERIC') {
1058: $message = &mt("This question expects a numeric answer.");
1059: $css_class=$possible_class{'not_charged_try'};
1060: $button=1;
1061: } elsif ($award eq 'MISORDERED_RANK') {
1062: $message = &mt('You have provided an invalid ranking.');
1063: if ($target ne 'tex') {
1064: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1065: }
1066: $css_class=$possible_class{'not_charged_try'};
1067: $button=1;
1068: } elsif ($award eq 'EXCESS_FILESIZE') {
1069: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
1070: $css_class=$possible_class{'not_charged_try'};
1071: $button=1;
1072: } elsif ($award eq 'FILENAME_INUSE') {
1073: $message = &mt('You have already uploaded a file with that filename.');
1074: if ($target eq 'tex') {
1075: $message.= "\\\\\n";
1076: } else {
1077: $message .= '<br />';
1078: }
1079: $message .= &mt('Please use a different file name.');
1080: $css_class=$possible_class{'not_charged_try'};
1081: $button=1;
1082: } elsif ($award eq 'INVALID_FILETYPE') {
1083: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1084: $css_class=$possible_class{'not_charged_try'};
1085: $button=1;
1086: } elsif ($award eq 'SIG_FAIL') {
1087: my ($used,$min,$max)=split(':',$awardmsg);
1088: my $word = ($used < $min) ? 'more' : 'fewer';
1089: $message = &mt("Submission not graded. Use $word digits.",$used);
1090: $css_class=$possible_class{'not_charged_try'};
1091: $button=1;
1092: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1093: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1094: if ($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_INVALID_STUDENT') {
1098: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1099: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1100: $css_class=$possible_class{'not_charged_try'};
1101: $button=1;
1102: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1103: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1104: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1105: $css_class=$possible_class{'not_charged_try'};
1106: $button=1;
1107: } elsif ($award eq 'UNIT_NOTNEEDED') {
1108: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1109: $css_class=$possible_class{'not_charged_try'};
1110: $button=1;
1111: } elsif ($award eq 'NO_UNIT') {
1112: $message = &mt("Units required").'.';
1113: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1114: $css_class=$possible_class{'not_charged_try'};
1115: $button=1;
1116: } elsif ($award eq 'COMMA_FAIL') {
1117: $message = &mt("Proper comma separation is required").'.';
1118: $css_class=$possible_class{'not_charged_try'};
1119: $button=1;
1120: } elsif ($award eq 'BAD_FORMULA') {
1121: $message = &mt("Unable to understand formula").'.';
1122: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1123: $css_class=$possible_class{'not_charged_try'};
1124: $button=1;
1125: } elsif ($award eq 'NOT_FUNCTION') {
1126: $message = &mt("Not a function").'.';
1127: $css_class=$possible_class{'not_charged_try'};
1128: $button=1;
1129: } elsif ($award eq 'WRONG_FORMAT') {
1130: $message = &mt("Wrong format").'.';
1131: $css_class=$possible_class{'not_charged_try'};
1132: $button=1;
1133: } elsif ($award eq 'INTERNAL_ERROR') {
1134: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1135: $css_class=$possible_class{'not_charged_try'};
1136: $button=1;
1137: } elsif ($award eq 'INCORRECT') {
1138: $message = &mt("Incorrect").'.';
1139: $css_class=$possible_class{'charged_try'};
1140: $button=1;
1141: } elsif ($award eq 'SUBMITTED') {
1142: $message = &mt("Your submission has been recorded.");
1143: $css_class=$possible_class{'no_grade'};
1144: $button=1;
1145: } elsif ($award eq 'SUBMITTED_CREDIT') {
1146: $message = &mt("Your submission has been recorded, and credit awarded.");
1147: $css_class=$possible_class{'correct'};
1148: $button=1;
1149: } elsif ($award eq 'ANONYMOUS') {
1150: $message = &mt("Your anonymous submission has been recorded.");
1151: $css_class=$possible_class{'no_grade'};
1152: $button=1;
1153: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1154: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1155: $css_class=$possible_class{'correct'};
1156: $button=1;
1157: } elsif ($award eq 'DRAFT') {
1158: $message = &mt("Copy saved but not submitted.");
1159: $css_class=$possible_class{'not_charged_try'};
1160: $button=1;
1161: } elsif ($award eq 'ASSIGNED_SCORE') {
1162: $message = &mt("A score has been assigned.");
1163: $css_class=$possible_class{'correct'};
1164: $button=0;
1165: } elsif ($award eq '') {
1166: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1167: $message = &mt("Nothing submitted.");
1168: $css_class=$possible_class{'charged_try'};
1169: } else {
1170: $css_class=$possible_class{'not_charged_try'};
1171: }
1172: $button=1;
1173: } else {
1174: $message = &mt("Unknown message").": $award";
1175: $button=1;
1176: }
1177: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1178: foreach my $resid(@Apache::inputtags::response){
1179: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1180: if ($target eq 'tex') {
1181: $message.= "\\\\\n";
1182: } else {
1183: $message.='<br />';
1184: }
1185: my @files = split(/\s*,\s*/,
1186: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1187: my $file_msg;
1188: foreach my $file (@files) {
1189: if ($target eq 'tex') {
1190: $file_msg.= "\\\\\n".$file;
1191: } else {
1192: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1193: }
1194: }
1195: $message .= &mt('Returned file(s): [_1]',$file_msg);
1196: if ($target eq 'tex') {
1197: $message.= "\\\\\n";
1198: } else {
1199: $message.='<br />';
1200: }
1201: }
1202: }
1203:
1204: if (&Apache::lonhomework::hide_problem_status()
1205: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1206: && &hide_award($award)) {
1207: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1208: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1209: if ($interval[0] =~ /\d+/) {
1210: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1211: if (defined($first_access)) {
1212: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1213: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1214: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1215: }
1216: }
1217: }
1218: $css_class=$possible_class{'no_grade'};
1219: $button=1;
1220: }
1221: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1222: !$added_computer_text && $target ne 'tex') {
1223: $message.= $computer;
1224: $added_computer_text=1;
1225: }
1226: if ($Apache::lonhomework::type eq 'practice') {
1227: if ($target eq 'web') {
1228: $message .= '<br />';
1229: } else {
1230: $message .= ' ';
1231: }
1232: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1233: }
1234: return ($button,$css_class,$message,$previousmsg);
1235: }
1236:
1237: sub markup_unit {
1238: my ($unit,$target)=@_;
1239: if ($target eq 'tex') {
1240: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1241: } else {
1242: return "<tt>".$unit."</tt>";
1243: }
1244: }
1245:
1246: sub removealldata {
1247: my ($id)=@_;
1248: foreach my $key (keys(%Apache::lonhomework::results)) {
1249: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1250: &Apache::lonxml::debug("Removing $key");
1251: delete($Apache::lonhomework::results{$key});
1252: }
1253: }
1254: }
1255:
1256: sub hidealldata {
1257: my ($id)=@_;
1258: foreach my $key (keys(%Apache::lonhomework::results)) {
1259: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1260: &Apache::lonxml::debug("Hidding $key");
1261: my $newkey=$key;
1262: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1263: $Apache::lonhomework::results{$newkey}=
1264: $Apache::lonhomework::results{$key};
1265: delete($Apache::lonhomework::results{$key});
1266: }
1267: }
1268: }
1269:
1270: sub setgradedata {
1271: my ($award,$msg,$id,$previously_used) = @_;
1272: if ($Apache::lonhomework::scantronmode &&
1273: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1274: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1275: } elsif ($Apache::lonhomework::scantronmode &&
1276: $env{'form.CODE'} eq '' &&
1277: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1278: $Apache::lonhomework::results{"resource.CODE"}='';
1279: }
1280:
1281: if (!$Apache::lonhomework::scantronmode &&
1282: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1283: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1284: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1285: return '';
1286: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1287: || $Apache::lonhomework::scantronmode
1288: || &Apache::lonhomework::hide_problem_status() ) {
1289: # the student doesn't already have it correct,
1290: # or we are in a mode (scantron orno problem status) where a correct
1291: # can become incorrect
1292: # handle assignment of tries and solved status
1293: my $solvemsg;
1294: if ($Apache::lonhomework::scantronmode) {
1295: $solvemsg='correct_by_scantron';
1296: } else {
1297: $solvemsg='correct_by_student';
1298: }
1299: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1300: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1301: }
1302: if ( $award eq 'ASSIGNED_SCORE') {
1303: $Apache::lonhomework::results{"resource.$id.tries"} =
1304: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1305: $Apache::lonhomework::results{"resource.$id.solved"} =
1306: $solvemsg;
1307: my $numawards=scalar(@Apache::inputtags::response);
1308: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1309: foreach my $res (@Apache::inputtags::response) {
1310: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1311: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1312: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1313: } else {
1314: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1315: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1316: }
1317: }
1318: if ($numawards > 0) {
1319: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1320: $numawards;
1321: }
1322: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1323: $Apache::lonhomework::results{"resource.$id.tries"} =
1324: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1325: $Apache::lonhomework::results{"resource.$id.solved"} =
1326: $solvemsg;
1327: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1328: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1329: $Apache::lonhomework::results{"resource.$id.tries"} =
1330: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1331: $Apache::lonhomework::results{"resource.$id.solved"} =
1332: 'credit_attempted';
1333: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1334: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1335: $Apache::lonhomework::results{"resource.$id.tries"} =
1336: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1337: $Apache::lonhomework::results{"resource.$id.solved"} =
1338: 'credit_attempted';
1339: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1340: } elsif ( $award eq 'INCORRECT' ) {
1341: $Apache::lonhomework::results{"resource.$id.tries"} =
1342: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1343: if (&Apache::lonhomework::hide_problem_status()
1344: || $Apache::lonhomework::scantronmode) {
1345: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1346: }
1347: $Apache::lonhomework::results{"resource.$id.solved"} =
1348: 'incorrect_attempted';
1349: } elsif ( $award eq 'SUBMITTED' ) {
1350: $Apache::lonhomework::results{"resource.$id.tries"} =
1351: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1352: $Apache::lonhomework::results{"resource.$id.solved"} =
1353: 'ungraded_attempted';
1354: } elsif ( $award eq 'ANONYMOUS' ) {
1355: $Apache::lonhomework::results{"resource.$id.tries"} =
1356: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1357: $Apache::lonhomework::results{"resource.$id.solved"} =
1358: 'ungraded_attempted';
1359: } elsif ( $award eq 'DRAFT' ) {
1360: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1361: } elsif ( $award eq 'NO_RESPONSE' ) {
1362: #no real response so delete any data that got stored
1363: &removealldata($id);
1364: return '';
1365: } else {
1366: $Apache::lonhomework::results{"resource.$id.solved"} =
1367: 'incorrect_attempted';
1368: if (&Apache::lonhomework::show_no_problem_status()
1369: || $Apache::lonhomework::scantronmode) {
1370: $Apache::lonhomework::results{"resource.$id.tries"} =
1371: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1372: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1373: }
1374:
1375: if (&Apache::lonhomework::show_some_problem_status()) {
1376: # clear out the awarded if they had gotten it wrong/right
1377: # and are now in an error mode
1378: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1379: }
1380: }
1381: if (defined($msg)) {
1382: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1383: }
1384: # did either of the overall awards chage? If so ignore the
1385: # previous check
1386: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1387: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1388: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1389: $Apache::lonhomework::history{"resource.$id.solved"})) {
1390: # check if this was a previous submission if it was delete the
1391: # unneeded data and update the previously_used attribute
1392: if ( $previously_used eq 'PREVIOUSLY_USED') {
1393: if (&Apache::lonhomework::show_problem_status()) {
1394: delete($Apache::lonhomework::results{"resource.$id.tries"});
1395: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1396: }
1397: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1398: #delete all data as they student didn't do anything, but save
1399: #the list of collaborators.
1400: &removealldata($id);
1401: #and since they didn't do anything we were never here
1402: return '';
1403: } else {
1404: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1405: }
1406: }
1407: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1408: #delete all data as they student already has it correct
1409: &removealldata($id);
1410: #and since they didn't do anything we were never here
1411: return '';
1412: }
1413: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1414: if ($award eq 'SUBMITTED') {
1415: &Apache::response::add_to_gradingqueue();
1416: }
1417: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1418: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1419: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1420: $Apache::lonhomework::results{"resourse.$id.version"} = &Apache::lonnet::usedversion();
1421: }
1422:
1423: sub find_which_previous {
1424: my ($version) = @_;
1425: my $part = $Apache::inputtags::part;
1426: my (@previous_version);
1427: foreach my $resp (@Apache::inputtags::response) {
1428: my $key = "$version:resource.$part.$resp.submission";
1429: my $submission = $Apache::lonhomework::history{$key};
1430: my %previous = &Apache::response::check_for_previous($submission,
1431: $part,$resp,
1432: $version);
1433: push(@previous_version,$previous{'version'});
1434: }
1435: return &previous_match(\@previous_version,
1436: scalar(@Apache::inputtags::response));
1437: }
1438:
1439: sub previous_match {
1440: my ($previous_array,$count) = @_;
1441: my $match = 0;
1442: my @matches;
1443: foreach my $versionar (@$previous_array) {
1444: foreach my $version (@$versionar) {
1445: $matches[$version]++;
1446: }
1447: }
1448: my $which=0;
1449: foreach my $elem (@matches) {
1450: if ($elem eq $count) {
1451: $match=1;
1452: last;
1453: }
1454: $which++;
1455: }
1456: return ($match,$which);
1457: }
1458:
1459: sub grade {
1460: my ($target) = @_;
1461: my $id = $Apache::inputtags::part;
1462: my $response='';
1463: if ( defined $env{'form.submitted'}) {
1464: my (@awards,@msgs);
1465: foreach $response (@Apache::inputtags::response) {
1466: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1467: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1468: &Apache::lonxml::debug("keeping $value from $response for $id");
1469: push (@awards,$value);
1470: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1471: &Apache::lonxml::debug("got message $value from $response for $id");
1472: push (@msgs,$value);
1473: }
1474: my ($finalaward,$msg) =
1475: &finalizeawards(\@awards,\@msgs,undef,undef,
1476: $Apache::lonhomework::scantronmode);
1477: my $previously_used;
1478: if ( $#Apache::inputtags::previous eq $#awards ) {
1479: my ($match) =
1480: &previous_match(\@Apache::inputtags::previous_version,
1481: scalar(@Apache::inputtags::response));
1482:
1483: if ($match) {
1484: $previously_used = 'PREVIOUSLY_LAST';
1485: foreach my $value (@Apache::inputtags::previous) {
1486: if ($value eq 'PREVIOUSLY_USED' ) {
1487: $previously_used = $value;
1488: last;
1489: }
1490: }
1491: }
1492: }
1493: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1494: &setgradedata($finalaward,$msg,$id,$previously_used);
1495: }
1496: return '';
1497: }
1498:
1499: sub get_grade_messages {
1500: my ($id,$prefix,$target,$status,$nocorrect) = @_;
1501: # nocorrect suppresses "Computer's answer now shown above"
1502: my ($message,$latemessage,$trystr,$previousmsg);
1503: my $showbutton = 1;
1504:
1505: my $award = $Apache::lonhomework::history{"$prefix.award"};
1506: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1507: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1508: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1509: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1510: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1511: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1512: &Apache::lonxml::debug('Getting message');
1513: ($showbutton,my $css_class,$message,$previousmsg) =
1514: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1515: $target,(($status eq 'CAN_ANSWER') || $nocorrect));
1516: if ($target eq 'tex') {
1517: $message='\vskip 2 mm '.$message.' ';
1518: } else {
1519: $message="<td class=\"$css_class\">$message</td>";
1520: if ($previousmsg) {
1521: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1522: }
1523: }
1524: }
1525: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1526: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1527: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1528: #if tries are set to negative turn off the Tries/Button and messages
1529: if (defined($maxtries) && $maxtries < 0) { return ''; }
1530: if ( $tries eq '' ) { $tries = '0'; }
1531: if ( $maxtries eq '' ) { $maxtries = '2'; }
1532: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1533: my $tries_text= &get_tries_text();
1534: if ($showbutton) {
1535: if ($target eq 'tex') {
1536: if ($env{'request.state'} ne "construct"
1537: && $Apache::lonhomework::type ne 'exam'
1538: && $env{'form.suppress_tries'} ne 'yes') {
1539: $trystr ='{\vskip 1 mm \small '
1540: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1541: ,'\textit{','}',$tries.'/'.$maxtries )
1542: .'} \vskip 2 mm';
1543: } else {
1544: $trystr = '\vskip 0 mm ';
1545: }
1546: } else {
1547: my $trial =$tries;
1548: if ($Apache::lonhomework::parsing_a_task) {
1549: } elsif($env{'request.state'} ne 'construct') {
1550: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1551: } else {
1552: if (defined($Apache::inputtags::params{'maxtries'})) {
1553: $trial.="/".$Apache::inputtags::params{'maxtries'};
1554: }
1555: }
1556: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1557: }
1558: }
1559:
1560: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1561: #last submissions was after due date
1562: $latemessage=&mt(' The last submission was after the Due Date ');;
1563: if ($target eq 'web') {
1564: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1565: }
1566: }
1567: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1568: }
1569:
1570: sub gradestatus {
1571: my ($id,$target,$no_previous) = @_;
1572: my $showbutton = 1;
1573: my $message = '';
1574: my $latemessage = '';
1575: my $trystr='';
1576: my $button='';
1577: my $previousmsg='';
1578:
1579: my $status = $Apache::inputtags::status['-1'];
1580: &Apache::lonxml::debug("gradestatus has :$status:");
1581: if ( $status ne 'CLOSED'
1582: && $status ne 'UNAVAILABLE'
1583: && $status ne 'INVALID_ACCESS'
1584: && $status ne 'NEEDS_CHECKIN'
1585: && $status ne 'NOT_IN_A_SLOT'
1586: && $status ne 'RESERVABLE'
1587: && $status ne 'RESERVABLE_LATER'
1588: && $status ne 'NOTRESERVABLE') {
1589:
1590: if ($status eq 'SHOW_ANSWER') {
1591: $showbutton = 0;
1592: }
1593:
1594: ($previousmsg,$latemessage,$message,$trystr) =
1595: &get_grade_messages($id,"resource.$id",$target,$status,
1596: $showbutton);
1597: if ($status eq 'CANNOT_ANSWER') {
1598: $showbutton = 0;
1599: }
1600: if ( $status eq 'SHOW_ANSWER') {
1601: undef($previousmsg);
1602: }
1603: if ( $showbutton ) {
1604: if ($target ne 'tex') {
1605: $button =
1606: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1607: type="submit" name="submit_'.$id.'"
1608: value="'.&mt('Submit Answer').'" />';
1609: }
1610: }
1611:
1612: }
1613: my $output= $previousmsg.$latemessage.$message.$trystr;
1614: if ($output =~ /^\s*$/) {
1615: return $button;
1616: } else {
1617: if ($target eq 'tex') {
1618: return $button.' \vskip 0 mm '.$output.' ';
1619: } else {
1620: $output =
1621: '<table><tr><td>'.$button.'</td>'.$output;
1622: if (!$no_previous) {
1623: $output.='<td>'.&previous_tries($id,$target).'</td>';
1624: }
1625: $output.= '</tr></table>';
1626: return $output;
1627: }
1628: }
1629: }
1630:
1631: sub previous_tries {
1632: my ($id,$target) = @_;
1633: my $output;
1634: my $status = $Apache::inputtags::status['-1'];
1635:
1636: my $count;
1637: my %count_lookup;
1638: my $lastrndseed;
1639:
1640: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1641: my $prefix = $i.":resource.$id";
1642: my $is_anon;
1643: if (defined($env{'form.grade_symb'})) {
1644: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1645: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1646: $is_anon = 1;
1647: }
1648: }
1649: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1650: $count++;
1651: $count_lookup{$i} = $count;
1652: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1653: my ($previousmsg,$latemessage,$message,$trystr);
1654:
1655: ($previousmsg,$latemessage,$message,$trystr) =
1656: &get_grade_messages($id,"$prefix",$target,$status);
1657:
1658: if ($previousmsg ne '') {
1659: my ($match,$which) = &find_which_previous($i);
1660: $message=$previousmsg;
1661: my $previous = $count_lookup{$which};
1662: $message =~ s{(</td>)}{ as submission \# $previous $1};
1663: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1664: if (!(&Apache::lonhomework::hide_problem_status()
1665: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1666: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1667: ) {
1668:
1669: my $txt_correct = &mt('Correct');
1670: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1671: if ($awarded < 1 && $awarded > 0) {
1672: $txt_correct=&mt('Partially Correct');
1673: } elsif ($awarded < 1) {
1674: if ($awarded eq '') {
1675: $txt_correct='';
1676: } else {
1677: $txt_correct=&mt('Incorrect');
1678: }
1679: }
1680: $message =~ s{(<td.*?>)(.*?)(</td>)}
1681: {$1 <strong>$txt_correct</strong>. $3}s;
1682: }
1683: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1684: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1685: if ($curr_rndseed ne $lastrndseed) {
1686: $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>';
1687: }
1688: }
1689: $message =~ s{(</td>)}{ $trystr $1};
1690: }
1691: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1692: $message =~ s{(<td.*?>)}{<td>};
1693:
1694:
1695: $output.='<tr class="'.$class.'">';
1696: $output.='<td align="center">'.$count.'</td>';
1697: $output.=$message;
1698:
1699: foreach my $resid (@Apache::inputtags::response) {
1700: my $prefix = $prefix.".$resid";
1701: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1702: my $submission =
1703: $Apache::inputtags::submission_display{"$prefix.submission"};
1704: if (!defined($submission)) {
1705: $submission =
1706: $Apache::lonhomework::history{"$prefix.submission"};
1707: }
1708: if ($is_anon) {
1709: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1710: } else {
1711: $output.='<td>'.$submission.'</td>';
1712: }
1713: } else {
1714: $output.='<td></td>';
1715: }
1716: }
1717: $output.=&Apache::loncommon::end_data_table_row()."\n";
1718: $lastrndseed = $curr_rndseed;
1719: }
1720: return if ($output eq '');
1721: my $headers =
1722: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1723: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1724: &mt('Submitted Answer').'</th>';
1725: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1726:
1727: my $tries_text = &get_tries_text('link');
1728: my $prefix = $env{'form.request.prefix'};
1729: $prefix =~ tr{.}{_};
1730: my $function_name = "LONCAPA_previous_tries_".$prefix.
1731: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1732: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1733: return $result;
1734: }
1735:
1736: sub get_tries_text {
1737: my ($context) = @_;
1738: my $tries_text;
1739: if ($context eq 'link') {
1740: $tries_text = 'Previous Tries';
1741: } else {
1742: $tries_text = 'Tries';
1743: }
1744: if ( $Apache::lonhomework::type eq 'survey' ||
1745: $Apache::lonhomework::type eq 'surveycred' ||
1746: $Apache::lonhomework::type eq 'anonsurvey' ||
1747: $Apache::lonhomework::type eq 'anonsurveycred' ||
1748: $Apache::lonhomework::parsing_a_task) {
1749: if ($context eq 'link') {
1750: $tries_text = 'Previous Submissions';
1751: } else {
1752: $tries_text = 'Submissions';
1753: }
1754: }
1755: return $tries_text;
1756: }
1757:
1758: 1;
1759: __END__
1760:
1761: =pod
1762:
1763: =back
1764:
1765: =cut
1766:
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