1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.315 2013/04/11 14:59:40 bisitz Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27:
28: =pod
29:
30: =head1 NAME
31:
32: Apache::inputtags
33:
34: =head1 SYNOPSIS
35:
36:
37:
38: This is part of the LearningOnline Network with CAPA project
39: described at http://www.lon-capa.org.
40:
41:
42: =head1 NOTABLE SUBROUTINES
43:
44: =over
45:
46: =item
47:
48: =back
49:
50: =cut
51:
52: package Apache::inputtags;
53: use HTML::Entities();
54: use strict;
55: use Apache::loncommon;
56: use Apache::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: my $spell_langs = &spelling_languages();
270: $result .= &Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
271: $spell_langs, $token);
272: } elsif ($target eq 'modified') {
273: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
274: $safeeval,'rows','cols',
275: 'addchars', 'spellcheck');
276: if ($constructtag) {
277: $result = &Apache::edit::rebuild_tag($token);
278: } else {
279: $result=$token->[4];
280: }
281: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
282: } elsif ($target eq 'tex') {
283: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
284: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
285: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
286: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
287: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
288: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
289: } else {
290: if ($env{'form.pdfFormFields'} eq 'yes') {
291: my $fieldname = $env{'request.symb'}.
292: '&part_'. $Apache::inputtags::part.
293: '&textresponse'.
294: '&HWVAL_' . $Apache::inputtags::response['-1'];
295: $result.='\TextField[name='.$fieldname.',multiline=true,height=6\baselineskip,width=270,borderwidth=0,backgroundcolor={.85 .85 .85}]\\';
296: } else {
297: my $TeXwidth=$width_of_box/80;
298: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
299: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
300: $result.='}}}\vskip 2 mm ';
301: }
302: }
303: }
304: return $result;
305: }
306:
307: sub end_textfield {
308: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
309: my $result;
310: if ($target eq 'web') {
311: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
312: $Apache::lonxml::evaluate++;
313: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
314: my $resid = $Apache::inputtags::response[-1];
315: my $tagident = 'HWVAL_' . $resid;
316: my $result = "</textarea>";
317: $result .= &spellcheck_onblur($tagident, $spellcheck);
318: return $result;
319: }
320: } elsif ($target eq 'edit') {
321: $result=&Apache::edit::end_table();
322: }
323: &end_input;
324: return $result;
325: }
326:
327: sub exam_score_line {
328: my ($target) = @_;
329:
330: my $result;
331: if ($target eq 'tex') {
332: my $repetition = &Apache::response::repetition();
333: $result.='\begin{enumerate}';
334: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
335: foreach my $i (0..$repetition-1) {
336: $result.='\item[\textbf{'.
337: ($Apache::lonxml::counter+$i).
338: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
339: }
340: $result.= '\end{enumerate}';
341: }
342:
343: return $result;
344: }
345:
346: sub exam_box {
347: my ($target) = @_;
348: my $result;
349:
350: if ($target eq 'tex') {
351: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
352: $result .= &exam_score_line($target);
353: } elsif ($target eq 'web') {
354: my $id=$Apache::inputtags::response[-1];
355: $result.= '<br /><br />
356: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
357: </textarea> <br /><br />';
358: }
359: return $result;
360: }
361:
362: sub needs_exam_box {
363: my ($tagstack) = @_;
364: my @tags = ('formularesponse',
365: 'stringresponse',
366: 'reactionresponse',
367: 'organicresponse',
368: );
369:
370: foreach my $tag (@tags) {
371: if (grep(/\Q$tag\E/,@$tagstack)) {
372: return 1;
373: }
374: }
375: return 0;
376: }
377:
378: sub start_textline {
379: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
380: my $result = "";
381: my $input_id = &start_input($parstack,$safeeval);
382:
383: # The spellcheck attribute
384: # 1. enables spellchecking.
385: # 2. Provides the language code in which the spellchecking will be performed.
386:
387: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
388: if ($target eq 'web') {
389: $Apache::lonxml::evaluate--;
390: my $partid=$Apache::inputtags::part;
391: my $id=$Apache::inputtags::response[-1];
392: if (!&Apache::response::show_answer()) {
393: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
394: my $maxlength;
395: if ($size eq '') { $size=20; } else {
396: if ($size < 20) {
397: $maxlength = ' maxlength="'.$size.'"';
398: }
399: }
400: my ($oldresponse,$newvariation);
401: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
402: ($Apache::lonhomework::type eq 'randomizetry')) &&
403: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
404: if ($env{'form.'.$partid.'.rndseed'} ne
405: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
406: $newvariation = 1;
407: }
408: }
409: unless ($newvariation) {
410: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
411: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
412: if (ref($oldresponse) eq 'ARRAY') {
413: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
414: }
415: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
416: $oldresponse =~ s/^\s+//;
417: $oldresponse =~ s/\s+$//;
418: $oldresponse =~ s/\s+/ /g;
419: }
420: if ($Apache::lonhomework::type ne 'exam') {
421: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
422: $result='';
423: if ($addchars) {
424: $result.=&addchars('HWVAL_'.$id,$addchars);
425: }
426: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
427: $safeeval);
428: if (lc($readonly) eq 'yes'
429: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
430: $readonly=' readonly="readonly" ';
431: } else {
432: $readonly='';
433: }
434: my $name = 'HWVAL_'.$id;
435: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
436: $name = "none";
437: }
438: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
439: . ' type="text" '
440: . $readonly.' name="'. $name . '"'
441: . ' id="' . $name . '"'
442: . ' value="'. $oldresponse.'"'
443: . ' class="spellchecked" size="'.$size.'"'.$maxlength
444: . '/>';
445:
446: $result .= &spellcheck_onblur($name, $spellcheck);
447: }
448: if ($Apache::lonhomework::type eq 'exam'
449: && &needs_exam_box($tagstack)) {
450: $result.=&exam_box($target);
451: }
452: } else {
453: #right or wrong don't show what was last typed in.
454: my $count = scalar(@Apache::inputtags::inputlist)-1;
455: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
456: #$result='';
457: }
458: } elsif ($target eq 'edit') {
459: $result=&Apache::edit::tag_start($target,$token);
460: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
461: &Apache::edit::text_arg('Click-On Texts (comma sep):',
462: 'addchars',$token,10);
463: $result.=&Apache::edit::select_arg('Readonly:','readonly',
464: ['no','yes'],$token);
465: my $spell_langs = &spelling_languages();
466: $result.=&Apache::edit::select_arg("Spellcheck for: ", 'spellcheck',
467: $spell_langs, $token);
468: $result.=&Apache::edit::end_row();
469: $result.=&Apache::edit::end_table();
470: } elsif ($target eq 'modified') {
471: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
472: $safeeval,'size',
473: 'addchars','readonly', 'spellcheck');
474: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
475: } elsif ($target eq 'tex'
476: && $Apache::lonhomework::type ne 'exam') {
477: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
478: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
479: if ($env{'form.pdfFormFields'} eq 'yes'
480: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
481: my $fieldname = $env{'request.symb'}.
482: '&part_'. $Apache::inputtags::part.
483: '&textresponse'.
484: '&HWVAL_' . $Apache::inputtags::response['-1'];
485: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
486: } else {
487: $result='\framebox['.$size.'][s]{\tiny\strut}';
488: }
489: } elsif ($target eq 'tex'
490: && $Apache::lonhomework::type eq 'exam'
491: && &needs_exam_box($tagstack)) {
492: $result.=&exam_box($target);
493: }
494: return $result;
495: }
496:
497: sub end_textline {
498: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
499: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
500: elsif ($target eq 'edit') { return ('','no'); }
501: &end_input();
502: return "";
503: }
504:
505: sub start_hiddenline {
506: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
507: my $result = "";
508: my $input_id = &start_input($parstack,$safeeval);
509: if ($target eq 'web') {
510: $Apache::lonxml::evaluate--;
511: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
512: my $partid=$Apache::inputtags::part;
513: my $id=$Apache::inputtags::response[-1];
514: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
515: if (ref($oldresponse) eq 'ARRAY') {
516: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
517: }
518: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
519:
520: if ($Apache::lonhomework::type ne 'exam') {
521: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
522: $oldresponse.'" />';
523: }
524: }
525: } elsif ($target eq 'edit') {
526: $result=&Apache::edit::tag_start($target,$token);
527: $result.=&Apache::edit::end_table;
528: }
529:
530: if ( ($target eq 'web' || $target eq 'tex')
531: && $Apache::lonhomework::type eq 'exam'
532: && &needs_exam_box($tagstack)) {
533: $result.=&exam_box($target);
534: }
535: return $result;
536: }
537:
538: sub end_hiddenline {
539: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
540: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
541: elsif ($target eq 'edit') { return ('','no'); }
542: &end_input();
543: return "";
544: }
545:
546:
547: sub start_hiddensubmission {
548: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
549: my $result = "";
550: my $input_id = &start_input($parstack,$safeeval);
551: if ($target eq 'web') {
552: $Apache::lonxml::evaluate--;
553: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
554: my $partid=$Apache::inputtags::part;
555: my $id=$Apache::inputtags::response[-1];
556: if ($Apache::lonhomework::type ne 'exam') {
557: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
558: $value = &HTML::Entities::encode($value,'<>&"');
559: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
560: }
561: }
562: } elsif ($target eq 'edit') {
563: $result=&Apache::edit::tag_start($target,$token);
564: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
565: $result.=&Apache::edit::end_row();
566: $result.=&Apache::edit::end_table();
567: } elsif ($target eq 'modified') {
568: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
569: $safeeval,'value');
570: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
571: }
572:
573: if ( ($target eq 'web' || $target eq 'tex')
574: && $Apache::lonhomework::type eq 'exam'
575: && &needs_exam_box($tagstack)) {
576: $result.=&exam_box($target);
577: }
578: return $result;
579: }
580:
581: sub end_hiddensubmission {
582: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
583: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
584: elsif ($target eq 'edit') { return ('','no'); }
585: &end_input();
586: return "";
587: }
588:
589: =pod
590:
591: =item file_selector()
592:
593: $part -> partid
594: $id -> responseid
595: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
596: $which -> 'uploadonly' -> only newly uploaded files
597: 'portfolioonly' -> only allow files from portfolio
598: 'both' -> allow files from either location
599: $extratext -> additional text to go between the link and the input box
600: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
601: returns a table row <tr>
602:
603: =cut
604:
605: sub file_selector {
606: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
607: if (!$uploadedfiletypes) { return ''; }
608:
609: my $jspart=$part;
610: $jspart=~s/\./_/g;
611:
612: my $result;
613: my $current_files_display = ¤t_file_submissions($part,$id);
614: my $addfiles;
615: if ($current_files_display) {
616: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
617: $current_files_display.
618: &Apache::lonhtmlcommon::row_closure();
619: $addfiles = &mt('Submit other file(s)');
620: } else {
621: $addfiles = &mt('Choose file(s) to submit');
622: }
623: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
624: my $constraints;
625: if ($uploadedfiletypes ne '*') {
626: $constraints =
627: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
628: }
629: if ($maxfilesize) {
630: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].',
631: '<b>'.$maxfilesize.'</b>').'<br />';
632: }
633: if ($constraints) {
634: $result .= $constraints.'<br />';
635: }
636: if ($which eq 'uploadonly' || $which eq 'both') {
637: $result.=&mt('Submit a file: (only one file per submission)').
638: ' <br /><input type="file" size="50" name="HWFILE'.
639: $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
640: }
641: if ( $which eq 'both') {
642: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
643: }
644: if ($which eq 'portfolioonly' || $which eq 'both') {
645: my $symb = $env{'request.symb'};
646: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
647: my $showsymb;
648: # If resource is a .task and URL is unencrypted, include symb in query string
649: # for url opened in portfolio file selection window. Can be used to override
650: # blocking of portfolio access resulting from an exam event in a different course.
651: if ($res =~ /\.task$/i) {
652: my $encsymb = &Apache::lonenc::check_encrypt($symb);
653: if ($symb eq $encsymb) {
654: $showsymb = $symb;
655: }
656: }
657: $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"))'."'".'>'.
658: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
659: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
660: '<br />';
661:
662: }
663: $result.=&Apache::lonhtmlcommon::row_closure(1);
664: return $result;
665: }
666:
667: sub current_file_submissions {
668: my ($part,$id) = @_;
669: my $jspart=$part;
670: $jspart=~s/\./_/g;
671: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
672: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
673: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
674: my $header = &Apache::loncommon::start_data_table().
675: &Apache::loncommon::start_data_table_header_row();
676: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
677: $header .= '<th>'.&mt('Delete?').'</th>';
678: }
679: $header .= '<th>'.&mt('File').'</th>'.
680: '<th>'.&mt('Size (MB)').'</th>'.
681: '<th>'.&mt('Last Modified').'</th>'.
682: &Apache::loncommon::end_data_table_header_row();
683: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
684: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
685: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
686: if ($uploadedfile) {
687: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
688: my $link = &HTML::Entities::encode($url,'<>&"');
689: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
690: my ($status,$hashref,$error) =
691: ¤t_file_info($url,$link,$name,$path);
692: if ($status eq 'ok') {
693: push(@{$okfiles{$name}},$url);
694: $rows{$url} = $hashref;
695: $legacy{$url} = 1;
696: &Apache::lonxml::extlink($url);
697: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
698: } else {
699: push(@bad_file_list,$error);
700: }
701: }
702: if ($portfiles =~ /[^\s]/) {
703: my $prefix = "/uploaded/$udom/$uname/portfolio";
704: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
705: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
706: my $url = $prefix.$path.$name;
707: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
708: my ($status,$hashref,$error) =
709: ¤t_file_info($url,$uploadedfile,$name,$path);
710: if ($status eq 'ok') {
711: push(@{$okfiles{$name}},$url);
712: $rows{$url} = $hashref;
713: } else {
714: push(@bad_file_list,$error);
715: }
716: }
717: }
718: my $num = 0;
719: foreach my $name (sort(keys(%okfiles))) {
720: if (ref($okfiles{$name}) eq 'ARRAY') {
721: foreach my $url (@{$okfiles{$name}}) {
722: if (ref($rows{$url}) eq 'HASH') {
723: my $link = $rows{$url}{link};
724: my $portfile = $rows{$url}{path}.$rows{$url}{name};
725: $portfile = &HTML::Entities::encode($portfile,'<>&"');
726: if ($link) {
727: my $icon=&Apache::loncommon::icon($url);
728: unless ($header_shown) {
729: $result .= $header;
730: $header_shown = 1;
731: }
732: $result.=
733: &Apache::loncommon::start_data_table_row()."\n";
734: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
735: $result .=
736: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
737: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
738: $num ++;
739: }
740: my $showname = $rows{$url}{path}.$name;
741: if ($legacy{$url}) {
742: $showname = $name.' '.&mt('not in portfolio');
743: }
744: $result .=
745: '<td><a href="'.$link.'"><img src="'.$icon.
746: '" border="0" alt="" />'.$showname.'</a></td>'."\n".
747: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
748: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
749: &Apache::loncommon::end_data_table_row();
750: }
751: }
752: }
753: }
754: }
755: if ($header_shown) {
756: $result .= &Apache::loncommon::end_data_table();
757: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
758: $result .= '<br /><span class="LC_warning">'.
759: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
760: }
761: }
762: if (@bad_file_list) {
763: my $bad_files = '<span class="LC_filename">'.
764: join('</span>, <span class="LC_filename">',@bad_file_list).
765: '</span>';
766: $result.='<p class="LC_error">'.
767: &mt("These file(s) don't exist: [_1]",$bad_files).
768: '</p>';
769: }
770: return $result;
771: }
772:
773: sub current_file_info {
774: my ($url,$uploadedfile,$name,$path) = @_;
775: my ($status,$error,%info);
776: my @stat = &Apache::lonnet::stat_file($url);
777: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
778: my ($lastmod,$size);
779: if ($stat[9] =~ /^\d+$/) {
780: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
781: }
782: $size = $stat[7]/(1024*1024);
783: $size = sprintf("%.3f",$size);
784: %info = (
785: link => $uploadedfile,
786: name => $name,
787: path => $path,
788: size => $size,
789: lastmodified => $lastmod,
790: );
791: $status = 'ok';
792: } else {
793: &Apache::lonnet::logthis("bad file is $url");
794: my $icon=&Apache::loncommon::icon($url);
795: $error = '<a href="'.$url.'"><img src="'.$icon.
796: '" border="0" />'.$uploadedfile.'</a>';
797: }
798: return ($status,\%info,$error);
799: }
800:
801: sub valid_award {
802: my ($award) =@_;
803: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
804: 'NO_RESPONSE',
805: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
806: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
807: 'UNIT_FAIL', 'NO_UNIT',
808: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
809: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
810: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
811: 'MISORDERED_RANK', 'INVALID_FILETYPE',
812: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
813: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
814: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
815: 'ASSIGNED_SCORE', 'APPROX_ANS',
816: 'EXACT_ANS','COMMA_FAIL') {
817: if ($award eq $possibleaward) { return 1; }
818: }
819: return 0;
820: }
821:
822: {
823: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
824: 'TOO_LONG',
825: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
826: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
827: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
828: 'WRONG_FORMAT', 'INTERNAL_ERROR',
829: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
830: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
831: 'DRAFT', 'SUBMITTED',
832: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
833: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
834: my $i=0;
835: my %fwd_awards = map { ($_,$i++) } @awards;
836: my $max=scalar(@awards);
837: @awards=reverse(@awards);
838: $i=0;
839: my %rev_awards = map { ($_,$i++) } @awards;
840:
841: sub awarddetail_to_awarded {
842: my ($awarddetail) = @_;
843: if ($awarddetail eq 'EXACT_ANS'
844: || $awarddetail eq 'APPROX_ANS') {
845: return 1;
846: }
847: return 0;
848: }
849:
850: sub hide_award {
851: my ($award) = @_;
852: if (&Apache::lonhomework::show_no_problem_status()) {
853: return 1;
854: }
855: if ($award =~
856: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
857: return 1;
858: }
859: return 0;
860: }
861:
862: sub finalizeawards {
863: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
864: my $result;
865: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
866: if ($result eq '' ) {
867: my $blankcount;
868: foreach my $award (@$awardref) {
869: if ($award eq '') {
870: $result='MISSING_ANSWER';
871: $blankcount++;
872: }
873: }
874: if ($blankcount == ($#$awardref + 1)) {
875: return ('NO_RESPONSE');
876: }
877: }
878:
879: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
880:
881: if (!$final_scantron && defined($result)) { return ($result); }
882:
883: # if in scantron mode, if the award for any response is
884: # assigned score, then the part gets an assigned score
885: if ($final_scantron
886: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
887: return ('ASSIGNED_SCORE');
888: }
889:
890: # if in scantron mode, if the award for any response is
891: # correct and there are non-correct responses,
892: # then the part gets an assigned score
893: if ($final_scantron
894: && (grep { $_ eq 'EXACT_ANS' ||
895: $_ eq 'APPROX_ANS' } (@$awardref))
896: && (grep { $_ ne 'EXACT_ANS' &&
897: $_ ne 'APPROX_ANS' } (@$awardref))) {
898: return ('ASSIGNED_SCORE');
899: }
900: # these awards are ordered from most important error through best correct
901: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
902:
903: my $best = $max;
904: my $j=0;
905: my $which;
906: foreach my $award (@$awardref) {
907: if ($awards->{$award} < $best) {
908: $best = $awards->{$award};
909: $which = $j;
910: }
911: $j++;
912: }
913:
914: if (defined($which)) {
915: if (ref($nameref)) {
916: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
917: } else {
918: return ($$awardref[$which],$$msgref[$which]);
919: }
920: }
921: return ('ERROR',undef);
922: }
923: }
924:
925: sub decideoutput {
926: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect)=@_;
927:
928: my $message='';
929: my $button=0;
930: my $previousmsg;
931: my $css_class='orange';
932: my $added_computer_text=0;
933: my %possible_class =
934: ( 'correct' => 'LC_answer_correct',
935: 'charged_try' => 'LC_answer_charged_try',
936: 'not_charged_try' => 'LC_answer_not_charged_try',
937: 'no_grade' => 'LC_answer_no_grade',
938: 'no_message' => 'LC_no_message',
939: );
940:
941: my $part = $Apache::inputtags::part;
942: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
943: my $handgrade = ('yes' eq lc($tohandgrade));
944: #
945: # Should "Computer's Answer" be displayed?
946: # Should not be displayed if still answerable,
947: # if the problem is handgraded,
948: # or if the problem does not give a correct answer
949: #
950:
951: my $computer = ($handgrade || $nocorrect)? ''
952: : " ".&mt("Computer's answer now shown above.");
953: &Apache::lonxml::debug("handgrade has :$handgrade:");
954:
955: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
956:
957: if ($solved =~ /^correct/) {
958: $css_class=$possible_class{'correct'};
959: $message=&mt('You are correct.');
960: if ($awarded < 1 && $awarded > 0) {
961: $message=&mt('You are partially correct.');
962: $css_class=$possible_class{'not_charged_try'};
963: } elsif ($awarded < 1) {
964: $message=&mt('Incorrect.');
965: $css_class=$possible_class{'charged_try'};
966: }
967: if ($handgrade ||
968: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
969: $message = &mt("A score has been assigned.");
970: $added_computer_text=1;
971: } else {
972: if ($target eq 'tex') {
973: $message = '\textbf{'.$message.'}';
974: } else {
975: $message = "<b>".$message."</b>";
976: $message.= $computer;
977: }
978: $added_computer_text=1;
979: if ($awarded > 0) {
980: my ($symb) = &Apache::lonnet::whichuser();
981: if (($symb ne '')
982: &&
983: ($env{'course.'.$env{'request.course.id'}.
984: '.disable_receipt_display'} ne 'yes') &&
985: ($Apache::lonhomework::type ne 'practice')) {
986: $message.=(($target eq 'web')?'<br />':' ').
987: &mt('Your receipt no. is [_1]',
988: (&Apache::lonnet::receipt($Apache::inputtags::part).
989: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
990: }
991: }
992: }
993: if ($awarded >= 1) {
994: $button=0;
995: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
996: $button=0;
997: } else {
998: $button=1;
999: }
1000: $previousmsg='';
1001: } elsif ($solved =~ /^excused/) {
1002: if ($target eq 'tex') {
1003: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
1004: } else {
1005: $message = "<b>".&mt('You are excused from the problem.')."</b>";
1006: }
1007: $css_class=$possible_class{'charged_try'};
1008: $button=0;
1009: $previousmsg='';
1010: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1011: if ($solved =~ /^incorrect/ || $solved eq '') {
1012: $message = &mt("Incorrect").".";
1013: $css_class=$possible_class{'charged_try'};
1014: $button=1;
1015: } else {
1016: if ($target eq 'tex') {
1017: $message = '\textbf{'.&mt('You are correct.').'}';
1018: } else {
1019: $message = "<b>".&mt('You are correct.')."</b>";
1020: $message.= $computer;
1021: }
1022: $added_computer_text=1;
1023: if ($awarded > 0
1024: && $env{'course.'.
1025: $env{'request.course.id'}.
1026: '.disable_receipt_display'} ne 'yes') {
1027: $message.=(($target eq 'web')?'<br />':' ').
1028: &mt('Your receipt is [_1]',
1029: (&Apache::lonnet::receipt($Apache::inputtags::part).
1030: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1031: }
1032: $css_class=$possible_class{'correct'};
1033: $button=0;
1034: $previousmsg='';
1035: }
1036: } elsif ($award eq 'NO_RESPONSE') {
1037: $message = '';
1038: $css_class=$possible_class{'no_feedback'};
1039: $button=1;
1040: } elsif ($award eq 'EXTRA_ANSWER') {
1041: $message = &mt('Some extra items were submitted.');
1042: $css_class=$possible_class{'not_charged_try'};
1043: $button = 1;
1044: } elsif ($award eq 'MISSING_ANSWER') {
1045: $message = &mt('Some items were not submitted.');
1046: if ($target ne 'tex') {
1047: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1048: }
1049: $css_class=$possible_class{'not_charged_try'};
1050: $button = 1;
1051: } elsif ($award eq 'ERROR') {
1052: $message = &mt('An error occurred while grading your answer.');
1053: $css_class=$possible_class{'not_charged_try'};
1054: $button = 1;
1055: } elsif ($award eq 'TOO_LONG') {
1056: $message = &mt("The submitted answer was too long.");
1057: $css_class=$possible_class{'not_charged_try'};
1058: $button=1;
1059: } elsif ($award eq 'WANTED_NUMERIC') {
1060: $message = &mt("This question expects a numeric answer.");
1061: $css_class=$possible_class{'not_charged_try'};
1062: $button=1;
1063: } elsif ($award eq 'MISORDERED_RANK') {
1064: $message = &mt('You have provided an invalid ranking.');
1065: if ($target ne 'tex') {
1066: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1067: }
1068: $css_class=$possible_class{'not_charged_try'};
1069: $button=1;
1070: } elsif ($award eq 'EXCESS_FILESIZE') {
1071: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
1072: $css_class=$possible_class{'not_charged_try'};
1073: $button=1;
1074: } elsif ($award eq 'FILENAME_INUSE') {
1075: $message = &mt('You have already uploaded a file with that filename.');
1076: if ($target eq 'tex') {
1077: $message.= "\\\\\n";
1078: } else {
1079: $message .= '<br />';
1080: }
1081: $message .= &mt('Please use a different filename.');
1082: $css_class=$possible_class{'not_charged_try'};
1083: $button=1;
1084: } elsif ($award eq 'INVALID_FILETYPE') {
1085: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1086: $css_class=$possible_class{'not_charged_try'};
1087: $button=1;
1088: } elsif ($award eq 'SIG_FAIL') {
1089: my ($used,$min,$max)=split(':',$awardmsg);
1090: my $word = ($used < $min) ? 'more' : 'fewer';
1091: $message = &mt("Submission not graded. Use $word digits.",$used);
1092: $css_class=$possible_class{'not_charged_try'};
1093: $button=1;
1094: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1095: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1096: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1097: $css_class=$possible_class{'not_charged_try'};
1098: $button=1;
1099: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1100: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1101: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1102: $css_class=$possible_class{'not_charged_try'};
1103: $button=1;
1104: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1105: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1106: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1107: $css_class=$possible_class{'not_charged_try'};
1108: $button=1;
1109: } elsif ($award eq 'UNIT_NOTNEEDED') {
1110: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1111: $css_class=$possible_class{'not_charged_try'};
1112: $button=1;
1113: } elsif ($award eq 'NO_UNIT') {
1114: $message = &mt("Units required").'.';
1115: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1116: $css_class=$possible_class{'not_charged_try'};
1117: $button=1;
1118: } elsif ($award eq 'COMMA_FAIL') {
1119: $message = &mt("Proper comma separation is required").'.';
1120: $css_class=$possible_class{'not_charged_try'};
1121: $button=1;
1122: } elsif ($award eq 'BAD_FORMULA') {
1123: $message = &mt("Unable to understand formula").'.';
1124: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1125: $css_class=$possible_class{'not_charged_try'};
1126: $button=1;
1127: } elsif ($award eq 'NOT_FUNCTION') {
1128: $message = &mt("Not a function").'.';
1129: $css_class=$possible_class{'not_charged_try'};
1130: $button=1;
1131: } elsif ($award eq 'WRONG_FORMAT') {
1132: $message = &mt("Wrong format").'.';
1133: $css_class=$possible_class{'not_charged_try'};
1134: $button=1;
1135: } elsif ($award eq 'INTERNAL_ERROR') {
1136: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1137: $css_class=$possible_class{'not_charged_try'};
1138: $button=1;
1139: } elsif ($award eq 'INCORRECT') {
1140: $message = &mt("Incorrect").'.';
1141: $css_class=$possible_class{'charged_try'};
1142: $button=1;
1143: } elsif ($award eq 'SUBMITTED') {
1144: $message = &mt("Your submission has been recorded.");
1145: $css_class=$possible_class{'no_grade'};
1146: $button=1;
1147: } elsif ($award eq 'SUBMITTED_CREDIT') {
1148: $message = &mt("Your submission has been recorded, and credit awarded.");
1149: $css_class=$possible_class{'correct'};
1150: $button=1;
1151: } elsif ($award eq 'ANONYMOUS') {
1152: $message = &mt("Your anonymous submission has been recorded.");
1153: $css_class=$possible_class{'no_grade'};
1154: $button=1;
1155: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1156: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1157: $css_class=$possible_class{'correct'};
1158: $button=1;
1159: } elsif ($award eq 'DRAFT') {
1160: $message = &mt("Copy saved but not submitted.");
1161: $css_class=$possible_class{'not_charged_try'};
1162: $button=1;
1163: } elsif ($award eq 'ASSIGNED_SCORE') {
1164: $message = &mt("A score has been assigned.");
1165: $css_class=$possible_class{'correct'};
1166: $button=0;
1167: } elsif ($award eq '') {
1168: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1169: $message = &mt("Nothing submitted.");
1170: $css_class=$possible_class{'charged_try'};
1171: } else {
1172: $css_class=$possible_class{'not_charged_try'};
1173: }
1174: $button=1;
1175: } else {
1176: $message = &mt("Unknown message").": $award";
1177: $button=1;
1178: }
1179: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1180: foreach my $resid(@Apache::inputtags::response){
1181: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1182: if ($target eq 'tex') {
1183: $message.= "\\\\\n";
1184: } else {
1185: $message.='<br />';
1186: }
1187: my @files = split(/\s*,\s*/,
1188: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1189: my $file_msg;
1190: foreach my $file (@files) {
1191: if ($target eq 'tex') {
1192: $file_msg.= "\\\\\n".$file;
1193: } else {
1194: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1195: }
1196: }
1197: $message .= &mt('Returned file(s): [_1]',$file_msg);
1198: if ($target eq 'tex') {
1199: $message.= "\\\\\n";
1200: } else {
1201: $message.='<br />';
1202: }
1203: }
1204: }
1205:
1206: if (&Apache::lonhomework::hide_problem_status()
1207: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1208: && &hide_award($award)) {
1209: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1210: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1211: if ($interval[0] =~ /\d+/) {
1212: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1213: if (defined($first_access)) {
1214: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1215: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1216: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1217: }
1218: }
1219: }
1220: $css_class=$possible_class{'no_grade'};
1221: $button=1;
1222: }
1223: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1224: !$added_computer_text && $target ne 'tex') {
1225: $message.= $computer;
1226: $added_computer_text=1;
1227: }
1228: if ($Apache::lonhomework::type eq 'practice') {
1229: if ($target eq 'web') {
1230: $message .= '<br />';
1231: } else {
1232: $message .= ' ';
1233: }
1234: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1235: }
1236: return ($button,$css_class,$message,$previousmsg);
1237: }
1238:
1239: sub markup_unit {
1240: my ($unit,$target)=@_;
1241: if ($target eq 'tex') {
1242: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1243: } else {
1244: return "<tt>".$unit."</tt>";
1245: }
1246: }
1247:
1248: sub removealldata {
1249: my ($id)=@_;
1250: foreach my $key (keys(%Apache::lonhomework::results)) {
1251: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1252: &Apache::lonxml::debug("Removing $key");
1253: delete($Apache::lonhomework::results{$key});
1254: }
1255: }
1256: }
1257:
1258: sub hidealldata {
1259: my ($id)=@_;
1260: foreach my $key (keys(%Apache::lonhomework::results)) {
1261: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1262: &Apache::lonxml::debug("Hidding $key");
1263: my $newkey=$key;
1264: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1265: $Apache::lonhomework::results{$newkey}=
1266: $Apache::lonhomework::results{$key};
1267: delete($Apache::lonhomework::results{$key});
1268: }
1269: }
1270: }
1271:
1272: sub setgradedata {
1273: my ($award,$msg,$id,$previously_used) = @_;
1274: if ($Apache::lonhomework::scantronmode &&
1275: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1276: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1277: } elsif ($Apache::lonhomework::scantronmode &&
1278: $env{'form.CODE'} eq '' &&
1279: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1280: $Apache::lonhomework::results{"resource.CODE"}='';
1281: }
1282:
1283: if (!$Apache::lonhomework::scantronmode &&
1284: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1285: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1286: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1287: return '';
1288: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1289: || $Apache::lonhomework::scantronmode
1290: || &Apache::lonhomework::hide_problem_status() ) {
1291: # the student doesn't already have it correct,
1292: # or we are in a mode (scantron orno problem status) where a correct
1293: # can become incorrect
1294: # handle assignment of tries and solved status
1295: my $solvemsg;
1296: if ($Apache::lonhomework::scantronmode) {
1297: $solvemsg='correct_by_scantron';
1298: } else {
1299: $solvemsg='correct_by_student';
1300: }
1301: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1302: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1303: }
1304: if ( $award eq 'ASSIGNED_SCORE') {
1305: $Apache::lonhomework::results{"resource.$id.tries"} =
1306: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1307: $Apache::lonhomework::results{"resource.$id.solved"} =
1308: $solvemsg;
1309: my $numawards=scalar(@Apache::inputtags::response);
1310: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1311: foreach my $res (@Apache::inputtags::response) {
1312: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1313: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1314: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1315: } else {
1316: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1317: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1318: }
1319: }
1320: if ($numawards > 0) {
1321: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1322: $numawards;
1323: }
1324: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1325: $Apache::lonhomework::results{"resource.$id.tries"} =
1326: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1327: $Apache::lonhomework::results{"resource.$id.solved"} =
1328: $solvemsg;
1329: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1330: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1331: $Apache::lonhomework::results{"resource.$id.tries"} =
1332: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1333: $Apache::lonhomework::results{"resource.$id.solved"} =
1334: 'credit_attempted';
1335: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1336: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1337: $Apache::lonhomework::results{"resource.$id.tries"} =
1338: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1339: $Apache::lonhomework::results{"resource.$id.solved"} =
1340: 'credit_attempted';
1341: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1342: } elsif ( $award eq 'INCORRECT' ) {
1343: $Apache::lonhomework::results{"resource.$id.tries"} =
1344: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1345: if (&Apache::lonhomework::hide_problem_status()
1346: || $Apache::lonhomework::scantronmode) {
1347: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1348: }
1349: $Apache::lonhomework::results{"resource.$id.solved"} =
1350: 'incorrect_attempted';
1351: } elsif ( $award eq 'SUBMITTED' ) {
1352: $Apache::lonhomework::results{"resource.$id.tries"} =
1353: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1354: $Apache::lonhomework::results{"resource.$id.solved"} =
1355: 'ungraded_attempted';
1356: } elsif ( $award eq 'ANONYMOUS' ) {
1357: $Apache::lonhomework::results{"resource.$id.tries"} =
1358: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1359: $Apache::lonhomework::results{"resource.$id.solved"} =
1360: 'ungraded_attempted';
1361: } elsif ( $award eq 'DRAFT' ) {
1362: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1363: } elsif ( $award eq 'NO_RESPONSE' ) {
1364: #no real response so delete any data that got stored
1365: &removealldata($id);
1366: return '';
1367: } else {
1368: $Apache::lonhomework::results{"resource.$id.solved"} =
1369: 'incorrect_attempted';
1370: if (&Apache::lonhomework::show_no_problem_status()
1371: || $Apache::lonhomework::scantronmode) {
1372: $Apache::lonhomework::results{"resource.$id.tries"} =
1373: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1374: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1375: }
1376:
1377: if (&Apache::lonhomework::show_some_problem_status()) {
1378: # clear out the awarded if they had gotten it wrong/right
1379: # and are now in an error mode
1380: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1381: }
1382: }
1383: if (defined($msg)) {
1384: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1385: }
1386: # did either of the overall awards chage? If so ignore the
1387: # previous check
1388: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1389: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1390: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1391: $Apache::lonhomework::history{"resource.$id.solved"})) {
1392: # check if this was a previous submission if it was delete the
1393: # unneeded data and update the previously_used attribute
1394: if ( $previously_used eq 'PREVIOUSLY_USED') {
1395: if (&Apache::lonhomework::show_problem_status()) {
1396: delete($Apache::lonhomework::results{"resource.$id.tries"});
1397: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1398: }
1399: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1400: #delete all data as they student didn't do anything, but save
1401: #the list of collaborators.
1402: &removealldata($id);
1403: #and since they didn't do anything we were never here
1404: return '';
1405: } else {
1406: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1407: }
1408: }
1409: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1410: #delete all data as they student already has it correct
1411: &removealldata($id);
1412: #and since they didn't do anything we were never here
1413: return '';
1414: }
1415: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1416: if ($award eq 'SUBMITTED') {
1417: &Apache::response::add_to_gradingqueue();
1418: }
1419: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1420: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1421: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1422: $Apache::lonhomework::results{"resourse.$id.version"} = &Apache::lonnet::usedversion();
1423: }
1424:
1425: sub find_which_previous {
1426: my ($version) = @_;
1427: my $part = $Apache::inputtags::part;
1428: my (@previous_version);
1429: foreach my $resp (@Apache::inputtags::response) {
1430: my $key = "$version:resource.$part.$resp.submission";
1431: my $submission = $Apache::lonhomework::history{$key};
1432: my %previous = &Apache::response::check_for_previous($submission,
1433: $part,$resp,
1434: $version);
1435: push(@previous_version,$previous{'version'});
1436: }
1437: return &previous_match(\@previous_version,
1438: scalar(@Apache::inputtags::response));
1439: }
1440:
1441: sub previous_match {
1442: my ($previous_array,$count) = @_;
1443: my $match = 0;
1444: my @matches;
1445: foreach my $versionar (@$previous_array) {
1446: foreach my $version (@$versionar) {
1447: $matches[$version]++;
1448: }
1449: }
1450: my $which=0;
1451: foreach my $elem (@matches) {
1452: if ($elem eq $count) {
1453: $match=1;
1454: last;
1455: }
1456: $which++;
1457: }
1458: return ($match,$which);
1459: }
1460:
1461: sub grade {
1462: my ($target) = @_;
1463: my $id = $Apache::inputtags::part;
1464: my $response='';
1465: if ( defined $env{'form.submitted'}) {
1466: my (@awards,@msgs);
1467: foreach $response (@Apache::inputtags::response) {
1468: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1469: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1470: &Apache::lonxml::debug("keeping $value from $response for $id");
1471: push (@awards,$value);
1472: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1473: &Apache::lonxml::debug("got message $value from $response for $id");
1474: push (@msgs,$value);
1475: }
1476: my ($finalaward,$msg) =
1477: &finalizeawards(\@awards,\@msgs,undef,undef,
1478: $Apache::lonhomework::scantronmode);
1479: my $previously_used;
1480: if ( $#Apache::inputtags::previous eq $#awards ) {
1481: my ($match) =
1482: &previous_match(\@Apache::inputtags::previous_version,
1483: scalar(@Apache::inputtags::response));
1484:
1485: if ($match) {
1486: $previously_used = 'PREVIOUSLY_LAST';
1487: foreach my $value (@Apache::inputtags::previous) {
1488: if ($value eq 'PREVIOUSLY_USED' ) {
1489: $previously_used = $value;
1490: last;
1491: }
1492: }
1493: }
1494: }
1495: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1496: &setgradedata($finalaward,$msg,$id,$previously_used);
1497: }
1498: return '';
1499: }
1500:
1501: sub get_grade_messages {
1502: my ($id,$prefix,$target,$status,$nocorrect) = @_;
1503: # nocorrect suppresses "Computer's answer now shown above"
1504: my ($message,$latemessage,$trystr,$previousmsg);
1505: my $showbutton = 1;
1506:
1507: my $award = $Apache::lonhomework::history{"$prefix.award"};
1508: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1509: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1510: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1511: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1512: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1513: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1514: &Apache::lonxml::debug('Getting message');
1515: ($showbutton,my $css_class,$message,$previousmsg) =
1516: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1517: $target,(($status eq 'CAN_ANSWER') || $nocorrect));
1518: if ($target eq 'tex') {
1519: $message='\vskip 2 mm '.$message.' ';
1520: } else {
1521: $message="<td class=\"$css_class\">$message</td>";
1522: if ($previousmsg) {
1523: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1524: }
1525: }
1526: }
1527: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1528: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1529: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1530: #if tries are set to negative turn off the Tries/Button and messages
1531: if (defined($maxtries) && $maxtries < 0) { return ''; }
1532: if ( $tries eq '' ) { $tries = '0'; }
1533: if ( $maxtries eq '' ) { $maxtries = '2'; }
1534: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1535: my $tries_text= &get_tries_text();
1536: if ($showbutton) {
1537: if ($target eq 'tex') {
1538: if ($env{'request.state'} ne "construct"
1539: && $Apache::lonhomework::type ne 'exam'
1540: && $env{'form.suppress_tries'} ne 'yes') {
1541: $trystr ='{\vskip 1 mm \small '
1542: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1543: ,'\textit{','}',$tries.'/'.$maxtries )
1544: .'} \vskip 2 mm';
1545: } else {
1546: $trystr = '\vskip 0 mm ';
1547: }
1548: } else {
1549: my $trial =$tries;
1550: if ($Apache::lonhomework::parsing_a_task) {
1551: } elsif($env{'request.state'} ne 'construct') {
1552: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1553: } else {
1554: if (defined($Apache::inputtags::params{'maxtries'})) {
1555: $trial.="/".$Apache::inputtags::params{'maxtries'};
1556: }
1557: }
1558: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1559: }
1560: }
1561:
1562: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1563: #last submissions was after due date
1564: $latemessage=&mt(' The last submission was after the Due Date ');;
1565: if ($target eq 'web') {
1566: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1567: }
1568: }
1569: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1570: }
1571:
1572: sub gradestatus {
1573: my ($id,$target,$no_previous) = @_;
1574: my $showbutton = 1;
1575: my $message = '';
1576: my $latemessage = '';
1577: my $trystr='';
1578: my $button='';
1579: my $previousmsg='';
1580:
1581: my $status = $Apache::inputtags::status['-1'];
1582: &Apache::lonxml::debug("gradestatus has :$status:");
1583: if ( $status ne 'CLOSED'
1584: && $status ne 'UNAVAILABLE'
1585: && $status ne 'INVALID_ACCESS'
1586: && $status ne 'NEEDS_CHECKIN'
1587: && $status ne 'NOT_IN_A_SLOT'
1588: && $status ne 'RESERVABLE'
1589: && $status ne 'RESERVABLE_LATER'
1590: && $status ne 'NOTRESERVABLE') {
1591:
1592: if ($status eq 'SHOW_ANSWER') {
1593: $showbutton = 0;
1594: }
1595:
1596: ($previousmsg,$latemessage,$message,$trystr) =
1597: &get_grade_messages($id,"resource.$id",$target,$status,
1598: $showbutton);
1599: if ($status eq 'CANNOT_ANSWER') {
1600: $showbutton = 0;
1601: }
1602: if ( $status eq 'SHOW_ANSWER') {
1603: undef($previousmsg);
1604: }
1605: if ( $showbutton ) {
1606: if ($target ne 'tex') {
1607: $button =
1608: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1609: type="submit" name="submit_'.$id.'"
1610: value="'.&mt('Submit Answer').'" />';
1611: }
1612: }
1613:
1614: }
1615: my $output= $previousmsg.$latemessage.$message.$trystr;
1616: if ($output =~ /^\s*$/) {
1617: return $button;
1618: } else {
1619: if ($target eq 'tex') {
1620: return $button.' \vskip 0 mm '.$output.' ';
1621: } else {
1622: $output =
1623: '<table><tr><td>'.$button.'</td>'.$output;
1624: if (!$no_previous) {
1625: $output.='<td>'.&previous_tries($id,$target).'</td>';
1626: }
1627: $output.= '</tr></table>';
1628: return $output;
1629: }
1630: }
1631: }
1632:
1633: sub previous_tries {
1634: my ($id,$target) = @_;
1635: my $output;
1636: my $status = $Apache::inputtags::status['-1'];
1637:
1638: my $count;
1639: my %count_lookup;
1640: my $lastrndseed;
1641:
1642: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1643: my $prefix = $i.":resource.$id";
1644: my $is_anon;
1645: if (defined($env{'form.grade_symb'})) {
1646: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1647: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1648: $is_anon = 1;
1649: }
1650: }
1651: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1652: $count++;
1653: $count_lookup{$i} = $count;
1654: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1655: my ($previousmsg,$latemessage,$message,$trystr);
1656:
1657: ($previousmsg,$latemessage,$message,$trystr) =
1658: &get_grade_messages($id,"$prefix",$target,$status);
1659:
1660: if ($previousmsg ne '') {
1661: my ($match,$which) = &find_which_previous($i);
1662: $message=$previousmsg;
1663: my $previous = $count_lookup{$which};
1664: $message =~ s{(</td>)}{ as submission \# $previous $1};
1665: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1666: if (!(&Apache::lonhomework::hide_problem_status()
1667: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1668: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1669: ) {
1670:
1671: my $txt_correct = &mt('Correct');
1672: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1673: if ($awarded < 1 && $awarded > 0) {
1674: $txt_correct=&mt('Partially Correct');
1675: } elsif ($awarded < 1) {
1676: if ($awarded eq '') {
1677: $txt_correct='';
1678: } else {
1679: $txt_correct=&mt('Incorrect');
1680: }
1681: }
1682: $message =~ s{(<td.*?>)(.*?)(</td>)}
1683: {$1 <strong>$txt_correct</strong>. $3}s;
1684: }
1685: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1686: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1687: if ($curr_rndseed ne $lastrndseed) {
1688: $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>';
1689: }
1690: }
1691: $message =~ s{(</td>)}{ $trystr $1};
1692: }
1693: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1694: $message =~ s{(<td.*?>)}{<td>};
1695:
1696:
1697: $output.='<tr class="'.$class.'">';
1698: $output.='<td align="center">'.$count.'</td>';
1699: $output.=$message;
1700:
1701: foreach my $resid (@Apache::inputtags::response) {
1702: my $prefix = $prefix.".$resid";
1703: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1704: my $submission =
1705: $Apache::inputtags::submission_display{"$prefix.submission"};
1706: if (!defined($submission)) {
1707: $submission =
1708: $Apache::lonhomework::history{"$prefix.submission"};
1709: }
1710: if ($is_anon) {
1711: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1712: } else {
1713: $output.='<td>'.$submission.'</td>';
1714: }
1715: } else {
1716: $output.='<td></td>';
1717: }
1718: }
1719: $output.=&Apache::loncommon::end_data_table_row()."\n";
1720: $lastrndseed = $curr_rndseed;
1721: }
1722: return if ($output eq '');
1723: my $headers =
1724: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1725: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1726: &mt('Submitted Answer').'</th>';
1727: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1728:
1729: my $tries_text = &get_tries_text('link');
1730: my $prefix = $env{'form.request.prefix'};
1731: $prefix =~ tr{.}{_};
1732: my $function_name = "LONCAPA_previous_tries_".$prefix.
1733: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1734: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1735: return $result;
1736: }
1737:
1738: sub get_tries_text {
1739: my ($context) = @_;
1740: my $tries_text;
1741: if ($context eq 'link') {
1742: $tries_text = 'Previous Tries';
1743: } else {
1744: $tries_text = 'Tries';
1745: }
1746: if ( $Apache::lonhomework::type eq 'survey' ||
1747: $Apache::lonhomework::type eq 'surveycred' ||
1748: $Apache::lonhomework::type eq 'anonsurvey' ||
1749: $Apache::lonhomework::type eq 'anonsurveycred' ||
1750: $Apache::lonhomework::parsing_a_task) {
1751: if ($context eq 'link') {
1752: $tries_text = 'Previous Submissions';
1753: } else {
1754: $tries_text = 'Submissions';
1755: }
1756: }
1757: return $tries_text;
1758: }
1759:
1760: sub spelling_languages {
1761: my %langchoices;
1762: foreach my $id (&Apache::loncommon::languageids()) {
1763: my $code = &Apache::loncommon::supportedlanguagecode($id);
1764: if ($code ne '') {
1765: $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
1766: }
1767: }
1768: my @spelllangs = ('none');
1769: foreach my $code ('en','de','he','es','fr','pt','tr') {
1770: push(@spelllangs,[$code,$langchoices{$code}]);
1771: }
1772: return \@spelllangs;
1773: }
1774:
1775: 1;
1776: __END__
1777:
1778: =pod
1779:
1780: =back
1781:
1782: =cut
1783:
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