1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.312 2012/12/19 17:35:34 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: my $fieldname = $env{'request.symb'}.
290: '&part_'. $Apache::inputtags::part.
291: '&textresponse'.
292: '&HWVAL_' . $Apache::inputtags::response['-1'];
293: $result.='\TextField[name='.$fieldname.',multiline=true,height=6\baselineskip,width=270,borderwidth=0,backgroundcolor={.85
294: .85 .85}]\\';
295: }
296: }
297: return $result;
298: }
299:
300: sub end_textfield {
301: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
302: my $result;
303: if ($target eq 'web') {
304: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
305: $Apache::lonxml::evaluate++;
306: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
307: my $resid = $Apache::inputtags::response[-1];
308: my $tagident = 'HWVAL_' . $resid;
309: my $result = "</textarea>";
310: $result .= &spellcheck_onblur($tagident, $spellcheck);
311: return $result;
312: }
313: } elsif ($target eq 'edit') {
314: $result=&Apache::edit::end_table();
315: }
316: &end_input;
317: return $result;
318: }
319:
320: sub exam_score_line {
321: my ($target) = @_;
322:
323: my $result;
324: if ($target eq 'tex') {
325: my $repetition = &Apache::response::repetition();
326: $result.='\begin{enumerate}';
327: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
328: foreach my $i (0..$repetition-1) {
329: $result.='\item[\textbf{'.
330: ($Apache::lonxml::counter+$i).
331: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
332: }
333: $result.= '\end{enumerate}';
334: }
335:
336: return $result;
337: }
338:
339: sub exam_box {
340: my ($target) = @_;
341: my $result;
342:
343: if ($target eq 'tex') {
344: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
345: $result .= &exam_score_line($target);
346: } elsif ($target eq 'web') {
347: my $id=$Apache::inputtags::response[-1];
348: $result.= '<br /><br />
349: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
350: </textarea> <br /><br />';
351: }
352: return $result;
353: }
354:
355: sub needs_exam_box {
356: my ($tagstack) = @_;
357: my @tags = ('formularesponse',
358: 'stringresponse',
359: 'reactionresponse',
360: 'organicresponse',
361: );
362:
363: foreach my $tag (@tags) {
364: if (grep(/\Q$tag\E/,@$tagstack)) {
365: return 1;
366: }
367: }
368: return 0;
369: }
370:
371: sub start_textline {
372: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
373: my $result = "";
374: my $input_id = &start_input($parstack,$safeeval);
375:
376: # The spellcheck attribute
377: # 1. enables spellchecking.
378: # 2. Provides the language code in which the spellchecking will be performed.
379:
380: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
381: if ($target eq 'web') {
382: $Apache::lonxml::evaluate--;
383: my $partid=$Apache::inputtags::part;
384: my $id=$Apache::inputtags::response[-1];
385: if (!&Apache::response::show_answer()) {
386: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
387: my $maxlength;
388: if ($size eq '') { $size=20; } else {
389: if ($size < 20) {
390: $maxlength = ' maxlength="'.$size.'"';
391: }
392: }
393: my ($oldresponse,$newvariation);
394: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
395: ($Apache::lonhomework::type eq 'randomizetry')) &&
396: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
397: if ($env{'form.'.$partid.'.rndseed'} ne
398: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
399: $newvariation = 1;
400: }
401: }
402: unless ($newvariation) {
403: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
404: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
405: if (ref($oldresponse) eq 'ARRAY') {
406: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
407: }
408: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
409: $oldresponse =~ s/^\s+//;
410: $oldresponse =~ s/\s+$//;
411: $oldresponse =~ s/\s+/ /g;
412: }
413: if ($Apache::lonhomework::type ne 'exam') {
414: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
415: $result='';
416: if ($addchars) {
417: $result.=&addchars('HWVAL_'.$id,$addchars);
418: }
419: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
420: $safeeval);
421: if (lc($readonly) eq 'yes'
422: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
423: $readonly=' readonly="readonly" ';
424: } else {
425: $readonly='';
426: }
427: my $name = 'HWVAL_'.$id;
428: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
429: $name = "none";
430: }
431: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
432: . ' type="text" '
433: . $readonly.' name="'. $name . '"'
434: . ' id="' . $name . '"'
435: . ' value="'. $oldresponse.'"'
436: . ' class="spellchecked" size="'.$size.'"'.$maxlength
437: . '/>';
438:
439: $result .= &spellcheck_onblur($name, $spellcheck);
440: }
441: if ($Apache::lonhomework::type eq 'exam'
442: && &needs_exam_box($tagstack)) {
443: $result.=&exam_box($target);
444: }
445: } else {
446: #right or wrong don't show what was last typed in.
447: my $count = scalar(@Apache::inputtags::inputlist)-1;
448: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
449: #$result='';
450: }
451: } elsif ($target eq 'edit') {
452: $result=&Apache::edit::tag_start($target,$token);
453: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
454: &Apache::edit::text_arg('Click-On Texts (comma sep):',
455: 'addchars',$token,10);
456: $result.=&Apache::edit::select_arg('Readonly:','readonly',
457: ['no','yes'],$token);
458: $result.=&Apache::edit::select_arg("Spellcheck for: ", 'spellcheck',
459: ['none', 'en', 'de', 'fr'], $token);
460: $result.=&Apache::edit::end_row();
461: $result.=&Apache::edit::end_table();
462: } elsif ($target eq 'modified') {
463: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
464: $safeeval,'size',
465: 'addchars','readonly', 'spellcheck');
466: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
467: } elsif ($target eq 'tex'
468: && $Apache::lonhomework::type ne 'exam') {
469: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
470: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
471: if ($env{'form.pdfFormFields'} eq 'yes'
472: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
473: my $fieldname = $env{'request.symb'}.
474: '&part_'. $Apache::inputtags::part.
475: '&textresponse'.
476: '&HWVAL_' . $Apache::inputtags::response['-1'];
477: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
478: } else {
479: $result='\framebox['.$size.'][s]{\tiny\strut}';
480: }
481: } elsif ($target eq 'tex'
482: && $Apache::lonhomework::type eq 'exam'
483: && &needs_exam_box($tagstack)) {
484: $result.=&exam_box($target);
485: }
486: return $result;
487: }
488:
489: sub end_textline {
490: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
491: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
492: elsif ($target eq 'edit') { return ('','no'); }
493: &end_input();
494: return "";
495: }
496:
497: sub start_hiddenline {
498: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
499: my $result = "";
500: my $input_id = &start_input($parstack,$safeeval);
501: if ($target eq 'web') {
502: $Apache::lonxml::evaluate--;
503: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
504: my $partid=$Apache::inputtags::part;
505: my $id=$Apache::inputtags::response[-1];
506: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
507: if (ref($oldresponse) eq 'ARRAY') {
508: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
509: }
510: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
511:
512: if ($Apache::lonhomework::type ne 'exam') {
513: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
514: $oldresponse.'" />';
515: }
516: }
517: } elsif ($target eq 'edit') {
518: $result=&Apache::edit::tag_start($target,$token);
519: $result.=&Apache::edit::end_table;
520: }
521:
522: if ( ($target eq 'web' || $target eq 'tex')
523: && $Apache::lonhomework::type eq 'exam'
524: && &needs_exam_box($tagstack)) {
525: $result.=&exam_box($target);
526: }
527: return $result;
528: }
529:
530: sub end_hiddenline {
531: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
532: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
533: elsif ($target eq 'edit') { return ('','no'); }
534: &end_input();
535: return "";
536: }
537:
538:
539: sub start_hiddensubmission {
540: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
541: my $result = "";
542: my $input_id = &start_input($parstack,$safeeval);
543: if ($target eq 'web') {
544: $Apache::lonxml::evaluate--;
545: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
546: my $partid=$Apache::inputtags::part;
547: my $id=$Apache::inputtags::response[-1];
548: if ($Apache::lonhomework::type ne 'exam') {
549: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
550: $value = &HTML::Entities::encode($value,'<>&"');
551: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
552: }
553: }
554: } elsif ($target eq 'edit') {
555: $result=&Apache::edit::tag_start($target,$token);
556: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
557: $result.=&Apache::edit::end_row();
558: $result.=&Apache::edit::end_table();
559: } elsif ($target eq 'modified') {
560: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
561: $safeeval,'value');
562: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
563: }
564:
565: if ( ($target eq 'web' || $target eq 'tex')
566: && $Apache::lonhomework::type eq 'exam'
567: && &needs_exam_box($tagstack)) {
568: $result.=&exam_box($target);
569: }
570: return $result;
571: }
572:
573: sub end_hiddensubmission {
574: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
575: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
576: elsif ($target eq 'edit') { return ('','no'); }
577: &end_input();
578: return "";
579: }
580:
581: =pod
582:
583: =item file_selector()
584:
585: $part -> partid
586: $id -> responseid
587: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
588: $which -> 'uploadonly' -> only newly uploaded files
589: 'portfolioonly' -> only allow files from portfolio
590: 'both' -> allow files from either location
591: $extratext -> additional text to go between the link and the input box
592: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
593: returns a table row <tr>
594:
595: =cut
596:
597: sub file_selector {
598: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
599: if (!$uploadedfiletypes) { return ''; }
600:
601: my $jspart=$part;
602: $jspart=~s/\./_/g;
603:
604: my $result;
605: my $current_files_display = ¤t_file_submissions($part,$id);
606: my $addfiles;
607: if ($current_files_display) {
608: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
609: $current_files_display.
610: &Apache::lonhtmlcommon::row_closure();
611: $addfiles = &mt('Submit other file(s)');
612: } else {
613: $addfiles = &mt('Choose file(s) to submit');
614: }
615: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
616: my $constraints;
617: if ($uploadedfiletypes ne '*') {
618: $constraints =
619: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
620: }
621: if ($maxfilesize) {
622: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].',
623: '<b>'.$maxfilesize.'</b>').'<br />';
624: }
625: if ($constraints) {
626: $result .= $constraints.'<br />';
627: }
628: if ($which eq 'uploadonly' || $which eq 'both') {
629: $result.=&mt('Submit a file: (only one file per submission)').
630: ' <br /><input type="file" size="50" name="HWFILE'.
631: $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
632: }
633: if ( $which eq 'both') {
634: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
635: }
636: if ($which eq 'portfolioonly' || $which eq 'both') {
637: my $symb = $env{'request.symb'};
638: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
639: my $showsymb;
640: # If resource is a .task and URL is unencrypted, include symb in query string
641: # for url opened in portfolio file selection window. Can be used to override
642: # blocking of portfolio access resulting from an exam event in a different course.
643: if ($res =~ /\.task$/i) {
644: my $encsymb = &Apache::lonenc::check_encrypt($symb);
645: if ($symb eq $encsymb) {
646: $showsymb = $symb;
647: }
648: }
649: $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"))'."'".'>'.
650: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
651: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
652: '<br />';
653:
654: }
655: $result.=&Apache::lonhtmlcommon::row_closure(1);
656: return $result;
657: }
658:
659: sub current_file_submissions {
660: my ($part,$id) = @_;
661: my $jspart=$part;
662: $jspart=~s/\./_/g;
663: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
664: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
665: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
666: my $header = &Apache::loncommon::start_data_table().
667: &Apache::loncommon::start_data_table_header_row();
668: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
669: $header .= '<th>'.&mt('Delete?').'</th>';
670: }
671: $header .= '<th>'.&mt('File').'</th>'.
672: '<th>'.&mt('Size (MB)').'</th>'.
673: '<th>'.&mt('Last Modified').'</th>'.
674: &Apache::loncommon::end_data_table_header_row();
675: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
676: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
677: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
678: if ($uploadedfile) {
679: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
680: my $link = &HTML::Entities::encode($url,'<>&"');
681: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
682: my ($status,$hashref,$error) =
683: ¤t_file_info($url,$link,$name,$path);
684: if ($status eq 'ok') {
685: push(@{$okfiles{$name}},$url);
686: $rows{$url} = $hashref;
687: $legacy{$url} = 1;
688: &Apache::lonxml::extlink($url);
689: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
690: } else {
691: push(@bad_file_list,$error);
692: }
693: }
694: if ($portfiles =~ /[^\s]/) {
695: my $prefix = "/uploaded/$udom/$uname/portfolio";
696: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
697: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
698: my $url = $prefix.$path.$name;
699: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
700: my ($status,$hashref,$error) =
701: ¤t_file_info($url,$uploadedfile,$name,$path);
702: if ($status eq 'ok') {
703: push(@{$okfiles{$name}},$url);
704: $rows{$url} = $hashref;
705: } else {
706: push(@bad_file_list,$error);
707: }
708: }
709: }
710: my $num = 0;
711: foreach my $name (sort(keys(%okfiles))) {
712: if (ref($okfiles{$name}) eq 'ARRAY') {
713: foreach my $url (@{$okfiles{$name}}) {
714: if (ref($rows{$url}) eq 'HASH') {
715: my $link = $rows{$url}{link};
716: my $portfile = $rows{$url}{path}.$rows{$url}{name};
717: $portfile = &HTML::Entities::encode($portfile,'<>&"');
718: if ($link) {
719: my $icon=&Apache::loncommon::icon($url);
720: unless ($header_shown) {
721: $result .= $header;
722: $header_shown = 1;
723: }
724: $result.=
725: &Apache::loncommon::start_data_table_row()."\n";
726: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
727: $result .=
728: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
729: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
730: $num ++;
731: }
732: my $showname = $rows{$url}{path}.$name;
733: if ($legacy{$url}) {
734: $showname = $name.' '.&mt('not in portfolio');
735: }
736: $result .=
737: '<td><a href="'.$link.'"><img src="'.$icon.
738: '" border="0" alt="" />'.$showname.'</a></td>'."\n".
739: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
740: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
741: &Apache::loncommon::end_data_table_row();
742: }
743: }
744: }
745: }
746: }
747: if ($header_shown) {
748: $result .= &Apache::loncommon::end_data_table();
749: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
750: $result .= '<br /><span class="LC_warning">'.
751: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
752: }
753: }
754: if (@bad_file_list) {
755: my $bad_files = '<span class="LC_filename">'.
756: join('</span>, <span class="LC_filename">',@bad_file_list).
757: '</span>';
758: $result.='<p class="LC_error">'.
759: &mt("These file(s) don't exist: [_1]",$bad_files).
760: '</p>';
761: }
762: return $result;
763: }
764:
765: sub current_file_info {
766: my ($url,$uploadedfile,$name,$path) = @_;
767: my ($status,$error,%info);
768: my @stat = &Apache::lonnet::stat_file($url);
769: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
770: my ($lastmod,$size);
771: if ($stat[9] =~ /^\d+$/) {
772: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
773: }
774: $size = $stat[7]/(1024*1024);
775: $size = sprintf("%.3f",$size);
776: %info = (
777: link => $uploadedfile,
778: name => $name,
779: path => $path,
780: size => $size,
781: lastmodified => $lastmod,
782: );
783: $status = 'ok';
784: } else {
785: &Apache::lonnet::logthis("bad file is $url");
786: my $icon=&Apache::loncommon::icon($url);
787: $error = '<a href="'.$url.'"><img src="'.$icon.
788: '" border="0" />'.$uploadedfile.'</a>';
789: }
790: return ($status,\%info,$error);
791: }
792:
793: sub valid_award {
794: my ($award) =@_;
795: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
796: 'NO_RESPONSE',
797: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
798: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
799: 'UNIT_FAIL', 'NO_UNIT',
800: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
801: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
802: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
803: 'MISORDERED_RANK', 'INVALID_FILETYPE',
804: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
805: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
806: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
807: 'ASSIGNED_SCORE', 'APPROX_ANS',
808: 'EXACT_ANS','COMMA_FAIL') {
809: if ($award eq $possibleaward) { return 1; }
810: }
811: return 0;
812: }
813:
814: {
815: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
816: 'TOO_LONG',
817: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
818: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
819: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
820: 'WRONG_FORMAT', 'INTERNAL_ERROR',
821: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
822: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
823: 'DRAFT', 'SUBMITTED',
824: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
825: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
826: my $i=0;
827: my %fwd_awards = map { ($_,$i++) } @awards;
828: my $max=scalar(@awards);
829: @awards=reverse(@awards);
830: $i=0;
831: my %rev_awards = map { ($_,$i++) } @awards;
832:
833: sub awarddetail_to_awarded {
834: my ($awarddetail) = @_;
835: if ($awarddetail eq 'EXACT_ANS'
836: || $awarddetail eq 'APPROX_ANS') {
837: return 1;
838: }
839: return 0;
840: }
841:
842: sub hide_award {
843: my ($award) = @_;
844: if (&Apache::lonhomework::show_no_problem_status()) {
845: return 1;
846: }
847: if ($award =~
848: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
849: return 1;
850: }
851: return 0;
852: }
853:
854: sub finalizeawards {
855: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
856: my $result;
857: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
858: if ($result eq '' ) {
859: my $blankcount;
860: foreach my $award (@$awardref) {
861: if ($award eq '') {
862: $result='MISSING_ANSWER';
863: $blankcount++;
864: }
865: }
866: if ($blankcount == ($#$awardref + 1)) {
867: return ('NO_RESPONSE');
868: }
869: }
870:
871: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
872:
873: if (!$final_scantron && defined($result)) { return ($result); }
874:
875: # if in scantron mode, if the award for any response is
876: # assigned score, then the part gets an assigned score
877: if ($final_scantron
878: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
879: return ('ASSIGNED_SCORE');
880: }
881:
882: # if in scantron mode, if the award for any response is
883: # correct and there are non-correct responses,
884: # then the part gets an assigned score
885: if ($final_scantron
886: && (grep { $_ eq 'EXACT_ANS' ||
887: $_ eq 'APPROX_ANS' } (@$awardref))
888: && (grep { $_ ne 'EXACT_ANS' &&
889: $_ ne 'APPROX_ANS' } (@$awardref))) {
890: return ('ASSIGNED_SCORE');
891: }
892: # these awards are ordered from most important error through best correct
893: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
894:
895: my $best = $max;
896: my $j=0;
897: my $which;
898: foreach my $award (@$awardref) {
899: if ($awards->{$award} < $best) {
900: $best = $awards->{$award};
901: $which = $j;
902: }
903: $j++;
904: }
905:
906: if (defined($which)) {
907: if (ref($nameref)) {
908: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
909: } else {
910: return ($$awardref[$which],$$msgref[$which]);
911: }
912: }
913: return ('ERROR',undef);
914: }
915: }
916:
917: sub decideoutput {
918: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect)=@_;
919:
920: my $message='';
921: my $button=0;
922: my $previousmsg;
923: my $css_class='orange';
924: my $added_computer_text=0;
925: my %possible_class =
926: ( 'correct' => 'LC_answer_correct',
927: 'charged_try' => 'LC_answer_charged_try',
928: 'not_charged_try' => 'LC_answer_not_charged_try',
929: 'no_grade' => 'LC_answer_no_grade',
930: 'no_message' => 'LC_no_message',
931: );
932:
933: my $part = $Apache::inputtags::part;
934: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
935: my $handgrade = ('yes' eq lc($tohandgrade));
936: #
937: # Should "Computer's Answer" be displayed?
938: # Should not be displayed if still answerable,
939: # if the problem is handgraded,
940: # or if the problem does not give a correct answer
941: #
942:
943: my $computer = ($handgrade || $nocorrect)? ''
944: : " ".&mt("Computer's answer now shown above.");
945: &Apache::lonxml::debug("handgrade has :$handgrade:");
946:
947: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
948:
949: if ($solved =~ /^correct/) {
950: $css_class=$possible_class{'correct'};
951: $message=&mt('You are correct.');
952: if ($awarded < 1 && $awarded > 0) {
953: $message=&mt('You are partially correct.');
954: $css_class=$possible_class{'not_charged_try'};
955: } elsif ($awarded < 1) {
956: $message=&mt('Incorrect.');
957: $css_class=$possible_class{'charged_try'};
958: }
959: if ($handgrade ||
960: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
961: $message = &mt("A score has been assigned.");
962: $added_computer_text=1;
963: } else {
964: if ($target eq 'tex') {
965: $message = '\textbf{'.$message.'}';
966: } else {
967: $message = "<b>".$message."</b>";
968: $message.= $computer;
969: }
970: $added_computer_text=1;
971: if ($awarded > 0) {
972: my ($symb) = &Apache::lonnet::whichuser();
973: if (($symb ne '')
974: &&
975: ($env{'course.'.$env{'request.course.id'}.
976: '.disable_receipt_display'} ne 'yes') &&
977: ($Apache::lonhomework::type ne 'practice')) {
978: $message.=(($target eq 'web')?'<br />':' ').
979: &mt('Your receipt no. is [_1]',
980: (&Apache::lonnet::receipt($Apache::inputtags::part).
981: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
982: }
983: }
984: }
985: if ($awarded >= 1) {
986: $button=0;
987: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
988: $button=0;
989: } else {
990: $button=1;
991: }
992: $previousmsg='';
993: } elsif ($solved =~ /^excused/) {
994: if ($target eq 'tex') {
995: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
996: } else {
997: $message = "<b>".&mt('You are excused from the problem.')."</b>";
998: }
999: $css_class=$possible_class{'charged_try'};
1000: $button=0;
1001: $previousmsg='';
1002: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1003: if ($solved =~ /^incorrect/ || $solved eq '') {
1004: $message = &mt("Incorrect").".";
1005: $css_class=$possible_class{'charged_try'};
1006: $button=1;
1007: } else {
1008: if ($target eq 'tex') {
1009: $message = '\textbf{'.&mt('You are correct.').'}';
1010: } else {
1011: $message = "<b>".&mt('You are correct.')."</b>";
1012: $message.= $computer;
1013: }
1014: $added_computer_text=1;
1015: if ($awarded > 0
1016: && $env{'course.'.
1017: $env{'request.course.id'}.
1018: '.disable_receipt_display'} ne 'yes') {
1019: $message.=(($target eq 'web')?'<br />':' ').
1020: &mt('Your receipt is [_1]',
1021: (&Apache::lonnet::receipt($Apache::inputtags::part).
1022: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1023: }
1024: $css_class=$possible_class{'correct'};
1025: $button=0;
1026: $previousmsg='';
1027: }
1028: } elsif ($award eq 'NO_RESPONSE') {
1029: $message = '';
1030: $css_class=$possible_class{'no_feedback'};
1031: $button=1;
1032: } elsif ($award eq 'EXTRA_ANSWER') {
1033: $message = &mt('Some extra items were submitted.');
1034: $css_class=$possible_class{'not_charged_try'};
1035: $button = 1;
1036: } elsif ($award eq 'MISSING_ANSWER') {
1037: $message = &mt('Some items were not submitted.');
1038: if ($target ne 'tex') {
1039: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1040: }
1041: $css_class=$possible_class{'not_charged_try'};
1042: $button = 1;
1043: } elsif ($award eq 'ERROR') {
1044: $message = &mt('An error occurred while grading your answer.');
1045: $css_class=$possible_class{'not_charged_try'};
1046: $button = 1;
1047: } elsif ($award eq 'TOO_LONG') {
1048: $message = &mt("The submitted answer was too long.");
1049: $css_class=$possible_class{'not_charged_try'};
1050: $button=1;
1051: } elsif ($award eq 'WANTED_NUMERIC') {
1052: $message = &mt("This question expects a numeric answer.");
1053: $css_class=$possible_class{'not_charged_try'};
1054: $button=1;
1055: } elsif ($award eq 'MISORDERED_RANK') {
1056: $message = &mt('You have provided an invalid ranking.');
1057: if ($target ne 'tex') {
1058: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1059: }
1060: $css_class=$possible_class{'not_charged_try'};
1061: $button=1;
1062: } elsif ($award eq 'EXCESS_FILESIZE') {
1063: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
1064: $css_class=$possible_class{'not_charged_try'};
1065: $button=1;
1066: } elsif ($award eq 'FILENAME_INUSE') {
1067: $message = &mt('You have already uploaded a file with that filename.');
1068: if ($target eq 'tex') {
1069: $message.= "\\\\\n";
1070: } else {
1071: $message .= '<br />';
1072: }
1073: $message .= &mt('Please use a different file name.');
1074: $css_class=$possible_class{'not_charged_try'};
1075: $button=1;
1076: } elsif ($award eq 'INVALID_FILETYPE') {
1077: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1078: $css_class=$possible_class{'not_charged_try'};
1079: $button=1;
1080: } elsif ($award eq 'SIG_FAIL') {
1081: my ($used,$min,$max)=split(':',$awardmsg);
1082: my $word = ($used < $min) ? 'more' : 'fewer';
1083: $message = &mt("Submission not graded. Use $word digits.",$used);
1084: $css_class=$possible_class{'not_charged_try'};
1085: $button=1;
1086: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1087: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1088: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1089: $css_class=$possible_class{'not_charged_try'};
1090: $button=1;
1091: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1092: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1093: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1094: $css_class=$possible_class{'not_charged_try'};
1095: $button=1;
1096: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1097: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1098: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1099: $css_class=$possible_class{'not_charged_try'};
1100: $button=1;
1101: } elsif ($award eq 'UNIT_NOTNEEDED') {
1102: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1103: $css_class=$possible_class{'not_charged_try'};
1104: $button=1;
1105: } elsif ($award eq 'NO_UNIT') {
1106: $message = &mt("Units required").'.';
1107: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1108: $css_class=$possible_class{'not_charged_try'};
1109: $button=1;
1110: } elsif ($award eq 'COMMA_FAIL') {
1111: $message = &mt("Proper comma separation is required").'.';
1112: $css_class=$possible_class{'not_charged_try'};
1113: $button=1;
1114: } elsif ($award eq 'BAD_FORMULA') {
1115: $message = &mt("Unable to understand formula").'.';
1116: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1117: $css_class=$possible_class{'not_charged_try'};
1118: $button=1;
1119: } elsif ($award eq 'NOT_FUNCTION') {
1120: $message = &mt("Not a function").'.';
1121: $css_class=$possible_class{'not_charged_try'};
1122: $button=1;
1123: } elsif ($award eq 'WRONG_FORMAT') {
1124: $message = &mt("Wrong format").'.';
1125: $css_class=$possible_class{'not_charged_try'};
1126: $button=1;
1127: } elsif ($award eq 'INTERNAL_ERROR') {
1128: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1129: $css_class=$possible_class{'not_charged_try'};
1130: $button=1;
1131: } elsif ($award eq 'INCORRECT') {
1132: $message = &mt("Incorrect").'.';
1133: $css_class=$possible_class{'charged_try'};
1134: $button=1;
1135: } elsif ($award eq 'SUBMITTED') {
1136: $message = &mt("Your submission has been recorded.");
1137: $css_class=$possible_class{'no_grade'};
1138: $button=1;
1139: } elsif ($award eq 'SUBMITTED_CREDIT') {
1140: $message = &mt("Your submission has been recorded, and credit awarded.");
1141: $css_class=$possible_class{'correct'};
1142: $button=1;
1143: } elsif ($award eq 'ANONYMOUS') {
1144: $message = &mt("Your anonymous submission has been recorded.");
1145: $css_class=$possible_class{'no_grade'};
1146: $button=1;
1147: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1148: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1149: $css_class=$possible_class{'correct'};
1150: $button=1;
1151: } elsif ($award eq 'DRAFT') {
1152: $message = &mt("Copy saved but not submitted.");
1153: $css_class=$possible_class{'not_charged_try'};
1154: $button=1;
1155: } elsif ($award eq 'ASSIGNED_SCORE') {
1156: $message = &mt("A score has been assigned.");
1157: $css_class=$possible_class{'correct'};
1158: $button=0;
1159: } elsif ($award eq '') {
1160: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1161: $message = &mt("Nothing submitted.");
1162: $css_class=$possible_class{'charged_try'};
1163: } else {
1164: $css_class=$possible_class{'not_charged_try'};
1165: }
1166: $button=1;
1167: } else {
1168: $message = &mt("Unknown message").": $award";
1169: $button=1;
1170: }
1171: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1172: foreach my $resid(@Apache::inputtags::response){
1173: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1174: if ($target eq 'tex') {
1175: $message.= "\\\\\n";
1176: } else {
1177: $message.='<br />';
1178: }
1179: my @files = split(/\s*,\s*/,
1180: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1181: my $file_msg;
1182: foreach my $file (@files) {
1183: if ($target eq 'tex') {
1184: $file_msg.= "\\\\\n".$file;
1185: } else {
1186: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1187: }
1188: }
1189: $message .= &mt('Returned file(s): [_1]',$file_msg);
1190: if ($target eq 'tex') {
1191: $message.= "\\\\\n";
1192: } else {
1193: $message.='<br />';
1194: }
1195: }
1196: }
1197:
1198: if (&Apache::lonhomework::hide_problem_status()
1199: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1200: && &hide_award($award)) {
1201: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1202: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1203: if ($interval[0] =~ /\d+/) {
1204: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1205: if (defined($first_access)) {
1206: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1207: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1208: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1209: }
1210: }
1211: }
1212: $css_class=$possible_class{'no_grade'};
1213: $button=1;
1214: }
1215: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1216: !$added_computer_text && $target ne 'tex') {
1217: $message.= $computer;
1218: $added_computer_text=1;
1219: }
1220: if ($Apache::lonhomework::type eq 'practice') {
1221: if ($target eq 'web') {
1222: $message .= '<br />';
1223: } else {
1224: $message .= ' ';
1225: }
1226: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1227: }
1228: return ($button,$css_class,$message,$previousmsg);
1229: }
1230:
1231: sub markup_unit {
1232: my ($unit,$target)=@_;
1233: if ($target eq 'tex') {
1234: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1235: } else {
1236: return "<tt>".$unit."</tt>";
1237: }
1238: }
1239:
1240: sub removealldata {
1241: my ($id)=@_;
1242: foreach my $key (keys(%Apache::lonhomework::results)) {
1243: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1244: &Apache::lonxml::debug("Removing $key");
1245: delete($Apache::lonhomework::results{$key});
1246: }
1247: }
1248: }
1249:
1250: sub hidealldata {
1251: my ($id)=@_;
1252: foreach my $key (keys(%Apache::lonhomework::results)) {
1253: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1254: &Apache::lonxml::debug("Hidding $key");
1255: my $newkey=$key;
1256: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1257: $Apache::lonhomework::results{$newkey}=
1258: $Apache::lonhomework::results{$key};
1259: delete($Apache::lonhomework::results{$key});
1260: }
1261: }
1262: }
1263:
1264: sub setgradedata {
1265: my ($award,$msg,$id,$previously_used) = @_;
1266: if ($Apache::lonhomework::scantronmode &&
1267: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1268: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1269: } elsif ($Apache::lonhomework::scantronmode &&
1270: $env{'form.CODE'} eq '' &&
1271: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1272: $Apache::lonhomework::results{"resource.CODE"}='';
1273: }
1274:
1275: if (!$Apache::lonhomework::scantronmode &&
1276: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1277: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1278: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1279: return '';
1280: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1281: || $Apache::lonhomework::scantronmode
1282: || &Apache::lonhomework::hide_problem_status() ) {
1283: # the student doesn't already have it correct,
1284: # or we are in a mode (scantron orno problem status) where a correct
1285: # can become incorrect
1286: # handle assignment of tries and solved status
1287: my $solvemsg;
1288: if ($Apache::lonhomework::scantronmode) {
1289: $solvemsg='correct_by_scantron';
1290: } else {
1291: $solvemsg='correct_by_student';
1292: }
1293: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1294: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1295: }
1296: if ( $award eq 'ASSIGNED_SCORE') {
1297: $Apache::lonhomework::results{"resource.$id.tries"} =
1298: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1299: $Apache::lonhomework::results{"resource.$id.solved"} =
1300: $solvemsg;
1301: my $numawards=scalar(@Apache::inputtags::response);
1302: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1303: foreach my $res (@Apache::inputtags::response) {
1304: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1305: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1306: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1307: } else {
1308: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1309: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1310: }
1311: }
1312: if ($numawards > 0) {
1313: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1314: $numawards;
1315: }
1316: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1317: $Apache::lonhomework::results{"resource.$id.tries"} =
1318: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1319: $Apache::lonhomework::results{"resource.$id.solved"} =
1320: $solvemsg;
1321: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1322: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1323: $Apache::lonhomework::results{"resource.$id.tries"} =
1324: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1325: $Apache::lonhomework::results{"resource.$id.solved"} =
1326: 'credit_attempted';
1327: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1328: } elsif ( $award eq 'ANONYMOUS_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 'INCORRECT' ) {
1335: $Apache::lonhomework::results{"resource.$id.tries"} =
1336: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1337: if (&Apache::lonhomework::hide_problem_status()
1338: || $Apache::lonhomework::scantronmode) {
1339: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1340: }
1341: $Apache::lonhomework::results{"resource.$id.solved"} =
1342: 'incorrect_attempted';
1343: } elsif ( $award eq 'SUBMITTED' ) {
1344: $Apache::lonhomework::results{"resource.$id.tries"} =
1345: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1346: $Apache::lonhomework::results{"resource.$id.solved"} =
1347: 'ungraded_attempted';
1348: } elsif ( $award eq 'ANONYMOUS' ) {
1349: $Apache::lonhomework::results{"resource.$id.tries"} =
1350: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1351: $Apache::lonhomework::results{"resource.$id.solved"} =
1352: 'ungraded_attempted';
1353: } elsif ( $award eq 'DRAFT' ) {
1354: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1355: } elsif ( $award eq 'NO_RESPONSE' ) {
1356: #no real response so delete any data that got stored
1357: &removealldata($id);
1358: return '';
1359: } else {
1360: $Apache::lonhomework::results{"resource.$id.solved"} =
1361: 'incorrect_attempted';
1362: if (&Apache::lonhomework::show_no_problem_status()
1363: || $Apache::lonhomework::scantronmode) {
1364: $Apache::lonhomework::results{"resource.$id.tries"} =
1365: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1366: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1367: }
1368:
1369: if (&Apache::lonhomework::show_some_problem_status()) {
1370: # clear out the awarded if they had gotten it wrong/right
1371: # and are now in an error mode
1372: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1373: }
1374: }
1375: if (defined($msg)) {
1376: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1377: }
1378: # did either of the overall awards chage? If so ignore the
1379: # previous check
1380: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1381: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1382: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1383: $Apache::lonhomework::history{"resource.$id.solved"})) {
1384: # check if this was a previous submission if it was delete the
1385: # unneeded data and update the previously_used attribute
1386: if ( $previously_used eq 'PREVIOUSLY_USED') {
1387: if (&Apache::lonhomework::show_problem_status()) {
1388: delete($Apache::lonhomework::results{"resource.$id.tries"});
1389: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1390: }
1391: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1392: #delete all data as they student didn't do anything, but save
1393: #the list of collaborators.
1394: &removealldata($id);
1395: #and since they didn't do anything we were never here
1396: return '';
1397: } else {
1398: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1399: }
1400: }
1401: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1402: #delete all data as they student already has it correct
1403: &removealldata($id);
1404: #and since they didn't do anything we were never here
1405: return '';
1406: }
1407: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1408: if ($award eq 'SUBMITTED') {
1409: &Apache::response::add_to_gradingqueue();
1410: }
1411: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1412: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1413: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1414: $Apache::lonhomework::results{"resourse.$id.version"} = &Apache::lonnet::usedversion();
1415: }
1416:
1417: sub find_which_previous {
1418: my ($version) = @_;
1419: my $part = $Apache::inputtags::part;
1420: my (@previous_version);
1421: foreach my $resp (@Apache::inputtags::response) {
1422: my $key = "$version:resource.$part.$resp.submission";
1423: my $submission = $Apache::lonhomework::history{$key};
1424: my %previous = &Apache::response::check_for_previous($submission,
1425: $part,$resp,
1426: $version);
1427: push(@previous_version,$previous{'version'});
1428: }
1429: return &previous_match(\@previous_version,
1430: scalar(@Apache::inputtags::response));
1431: }
1432:
1433: sub previous_match {
1434: my ($previous_array,$count) = @_;
1435: my $match = 0;
1436: my @matches;
1437: foreach my $versionar (@$previous_array) {
1438: foreach my $version (@$versionar) {
1439: $matches[$version]++;
1440: }
1441: }
1442: my $which=0;
1443: foreach my $elem (@matches) {
1444: if ($elem eq $count) {
1445: $match=1;
1446: last;
1447: }
1448: $which++;
1449: }
1450: return ($match,$which);
1451: }
1452:
1453: sub grade {
1454: my ($target) = @_;
1455: my $id = $Apache::inputtags::part;
1456: my $response='';
1457: if ( defined $env{'form.submitted'}) {
1458: my (@awards,@msgs);
1459: foreach $response (@Apache::inputtags::response) {
1460: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1461: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1462: &Apache::lonxml::debug("keeping $value from $response for $id");
1463: push (@awards,$value);
1464: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1465: &Apache::lonxml::debug("got message $value from $response for $id");
1466: push (@msgs,$value);
1467: }
1468: my ($finalaward,$msg) =
1469: &finalizeawards(\@awards,\@msgs,undef,undef,
1470: $Apache::lonhomework::scantronmode);
1471: my $previously_used;
1472: if ( $#Apache::inputtags::previous eq $#awards ) {
1473: my ($match) =
1474: &previous_match(\@Apache::inputtags::previous_version,
1475: scalar(@Apache::inputtags::response));
1476:
1477: if ($match) {
1478: $previously_used = 'PREVIOUSLY_LAST';
1479: foreach my $value (@Apache::inputtags::previous) {
1480: if ($value eq 'PREVIOUSLY_USED' ) {
1481: $previously_used = $value;
1482: last;
1483: }
1484: }
1485: }
1486: }
1487: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1488: &setgradedata($finalaward,$msg,$id,$previously_used);
1489: }
1490: return '';
1491: }
1492:
1493: sub get_grade_messages {
1494: my ($id,$prefix,$target,$status,$nocorrect) = @_;
1495: # nocorrect suppresses "Computer's answer now shown above"
1496: my ($message,$latemessage,$trystr,$previousmsg);
1497: my $showbutton = 1;
1498:
1499: my $award = $Apache::lonhomework::history{"$prefix.award"};
1500: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1501: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1502: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1503: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1504: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1505: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1506: &Apache::lonxml::debug('Getting message');
1507: ($showbutton,my $css_class,$message,$previousmsg) =
1508: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1509: $target,(($status eq 'CAN_ANSWER') || $nocorrect));
1510: if ($target eq 'tex') {
1511: $message='\vskip 2 mm '.$message.' ';
1512: } else {
1513: $message="<td class=\"$css_class\">$message</td>";
1514: if ($previousmsg) {
1515: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1516: }
1517: }
1518: }
1519: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1520: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1521: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1522: #if tries are set to negative turn off the Tries/Button and messages
1523: if (defined($maxtries) && $maxtries < 0) { return ''; }
1524: if ( $tries eq '' ) { $tries = '0'; }
1525: if ( $maxtries eq '' ) { $maxtries = '2'; }
1526: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1527: my $tries_text= &get_tries_text();
1528: if ($showbutton) {
1529: if ($target eq 'tex') {
1530: if ($env{'request.state'} ne "construct"
1531: && $Apache::lonhomework::type ne 'exam'
1532: && $env{'form.suppress_tries'} ne 'yes') {
1533: $trystr ='{\vskip 1 mm \small '
1534: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1535: ,'\textit{','}',$tries.'/'.$maxtries )
1536: .'} \vskip 2 mm';
1537: } else {
1538: $trystr = '\vskip 0 mm ';
1539: }
1540: } else {
1541: my $trial =$tries;
1542: if ($Apache::lonhomework::parsing_a_task) {
1543: } elsif($env{'request.state'} ne 'construct') {
1544: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1545: } else {
1546: if (defined($Apache::inputtags::params{'maxtries'})) {
1547: $trial.="/".$Apache::inputtags::params{'maxtries'};
1548: }
1549: }
1550: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1551: }
1552: }
1553:
1554: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1555: #last submissions was after due date
1556: $latemessage=&mt(' The last submission was after the Due Date ');;
1557: if ($target eq 'web') {
1558: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1559: }
1560: }
1561: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1562: }
1563:
1564: sub gradestatus {
1565: my ($id,$target,$no_previous) = @_;
1566: my $showbutton = 1;
1567: my $message = '';
1568: my $latemessage = '';
1569: my $trystr='';
1570: my $button='';
1571: my $previousmsg='';
1572:
1573: my $status = $Apache::inputtags::status['-1'];
1574: &Apache::lonxml::debug("gradestatus has :$status:");
1575: if ( $status ne 'CLOSED'
1576: && $status ne 'UNAVAILABLE'
1577: && $status ne 'INVALID_ACCESS'
1578: && $status ne 'NEEDS_CHECKIN'
1579: && $status ne 'NOT_IN_A_SLOT'
1580: && $status ne 'RESERVABLE'
1581: && $status ne 'RESERVABLE_LATER'
1582: && $status ne 'NOTRESERVABLE') {
1583:
1584: if ($status eq 'SHOW_ANSWER') {
1585: $showbutton = 0;
1586: }
1587:
1588: ($previousmsg,$latemessage,$message,$trystr) =
1589: &get_grade_messages($id,"resource.$id",$target,$status,
1590: $showbutton);
1591: if ($status eq 'CANNOT_ANSWER') {
1592: $showbutton = 0;
1593: }
1594: if ( $status eq 'SHOW_ANSWER') {
1595: undef($previousmsg);
1596: }
1597: if ( $showbutton ) {
1598: if ($target ne 'tex') {
1599: $button =
1600: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1601: type="submit" name="submit_'.$id.'"
1602: value="'.&mt('Submit Answer').'" />';
1603: }
1604: }
1605:
1606: }
1607: my $output= $previousmsg.$latemessage.$message.$trystr;
1608: if ($output =~ /^\s*$/) {
1609: return $button;
1610: } else {
1611: if ($target eq 'tex') {
1612: return $button.' \vskip 0 mm '.$output.' ';
1613: } else {
1614: $output =
1615: '<table><tr><td>'.$button.'</td>'.$output;
1616: if (!$no_previous) {
1617: $output.='<td>'.&previous_tries($id,$target).'</td>';
1618: }
1619: $output.= '</tr></table>';
1620: return $output;
1621: }
1622: }
1623: }
1624:
1625: sub previous_tries {
1626: my ($id,$target) = @_;
1627: my $output;
1628: my $status = $Apache::inputtags::status['-1'];
1629:
1630: my $count;
1631: my %count_lookup;
1632: my $lastrndseed;
1633:
1634: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1635: my $prefix = $i.":resource.$id";
1636: my $is_anon;
1637: if (defined($env{'form.grade_symb'})) {
1638: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1639: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1640: $is_anon = 1;
1641: }
1642: }
1643: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1644: $count++;
1645: $count_lookup{$i} = $count;
1646: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1647: my ($previousmsg,$latemessage,$message,$trystr);
1648:
1649: ($previousmsg,$latemessage,$message,$trystr) =
1650: &get_grade_messages($id,"$prefix",$target,$status);
1651:
1652: if ($previousmsg ne '') {
1653: my ($match,$which) = &find_which_previous($i);
1654: $message=$previousmsg;
1655: my $previous = $count_lookup{$which};
1656: $message =~ s{(</td>)}{ as submission \# $previous $1};
1657: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1658: if (!(&Apache::lonhomework::hide_problem_status()
1659: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1660: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1661: ) {
1662:
1663: my $txt_correct = &mt('Correct');
1664: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1665: if ($awarded < 1 && $awarded > 0) {
1666: $txt_correct=&mt('Partially Correct');
1667: } elsif ($awarded < 1) {
1668: if ($awarded eq '') {
1669: $txt_correct='';
1670: } else {
1671: $txt_correct=&mt('Incorrect');
1672: }
1673: }
1674: $message =~ s{(<td.*?>)(.*?)(</td>)}
1675: {$1 <strong>$txt_correct</strong>. $3}s;
1676: }
1677: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1678: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1679: if ($curr_rndseed ne $lastrndseed) {
1680: $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>';
1681: }
1682: }
1683: $message =~ s{(</td>)}{ $trystr $1};
1684: }
1685: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1686: $message =~ s{(<td.*?>)}{<td>};
1687:
1688:
1689: $output.='<tr class="'.$class.'">';
1690: $output.='<td align="center">'.$count.'</td>';
1691: $output.=$message;
1692:
1693: foreach my $resid (@Apache::inputtags::response) {
1694: my $prefix = $prefix.".$resid";
1695: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1696: my $submission =
1697: $Apache::inputtags::submission_display{"$prefix.submission"};
1698: if (!defined($submission)) {
1699: $submission =
1700: $Apache::lonhomework::history{"$prefix.submission"};
1701: }
1702: if ($is_anon) {
1703: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1704: } else {
1705: $output.='<td>'.$submission.'</td>';
1706: }
1707: } else {
1708: $output.='<td></td>';
1709: }
1710: }
1711: $output.=&Apache::loncommon::end_data_table_row()."\n";
1712: $lastrndseed = $curr_rndseed;
1713: }
1714: return if ($output eq '');
1715: my $headers =
1716: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1717: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1718: &mt('Submitted Answer').'</th>';
1719: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1720:
1721: my $tries_text = &get_tries_text('link');
1722: my $prefix = $env{'form.request.prefix'};
1723: $prefix =~ tr{.}{_};
1724: my $function_name = "LONCAPA_previous_tries_".$prefix.
1725: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1726: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1727: return $result;
1728: }
1729:
1730: sub get_tries_text {
1731: my ($context) = @_;
1732: my $tries_text;
1733: if ($context eq 'link') {
1734: $tries_text = 'Previous Tries';
1735: } else {
1736: $tries_text = 'Tries';
1737: }
1738: if ( $Apache::lonhomework::type eq 'survey' ||
1739: $Apache::lonhomework::type eq 'surveycred' ||
1740: $Apache::lonhomework::type eq 'anonsurvey' ||
1741: $Apache::lonhomework::type eq 'anonsurveycred' ||
1742: $Apache::lonhomework::parsing_a_task) {
1743: if ($context eq 'link') {
1744: $tries_text = 'Previous Submissions';
1745: } else {
1746: $tries_text = 'Submissions';
1747: }
1748: }
1749: return $tries_text;
1750: }
1751:
1752: 1;
1753: __END__
1754:
1755: =pod
1756:
1757: =back
1758:
1759: =cut
1760:
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