1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.318 2013/06/07 20:31:50 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: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
220: (($env{'form.grade_username'} eq $env{'user.name'}) &&
221: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
222: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"};
223: } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') ||
224: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred')) {
225: $oldresponse = '* '.&mt('only shown to submitter').' *';
226: } else {
227: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"};
228: }
229: }
230: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
231: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
232: if ( $cols eq '') { $cols = 80; }
233: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
234: if ( $rows eq '') { $rows = 16; }
235: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
236: $result='';
237: my $tagident = 'HWVAL_' . $resid;
238: if ($addchars) {
239: $result.=&addchars($tagident, $addchars);
240: }
241: my $textareaclass = 'class="LC_richDetectHtml spellchecked"';
242: $result.= '<textarea wrap="hard" name="'.$tagident.'" id="'.$tagident.'" ' .
243: 'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass
244: .'>'.
245: &HTML::Entities::encode($oldresponse,'<>&"');
246: if ($oldresponse ne '') {
247:
248: #get rid of any startup text if the user has already responded
249: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
250: }
251: } else {
252: #show past answer in the essayresponse case
253: if ($oldresponse =~ /\S/
254: && &Apache::londefdef::is_inside_of($tagstack,
255: 'essayresponse') ) {
256: $result='<table class="LC_pastsubmission"><tr><td>'.
257: $oldresponse.'</td></tr></table>';
258: }
259: #get rid of any startup text
260: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
261: }
262: } elsif ($target eq 'grade') {
263: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
264: $style);
265: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
266: # if the seed text is still there it wasn't a real submission
267: $env{'form.HWVAL_'.$resid}='';
268: }
269: } elsif ($target eq 'edit') {
270: $result.=&Apache::edit::tag_start($target,$token);
271: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
272: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
273: $result.=&Apache::edit::text_arg
274: ('Click-On Texts (comma sep):','addchars',$token,10);
275: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
276: $style);
277: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
278: my $spell_langs = &spelling_languages();
279: $result .= &Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
280: $spell_langs, $token);
281: } elsif ($target eq 'modified') {
282: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
283: $safeeval,'rows','cols',
284: 'addchars', 'spellcheck');
285: if ($constructtag) {
286: $result = &Apache::edit::rebuild_tag($token);
287: } else {
288: $result=$token->[4];
289: }
290: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
291: } elsif ($target eq 'tex') {
292: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
293: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
294: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
295: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
296: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
297: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
298: } else {
299: if ($env{'form.pdfFormFields'} eq 'yes') {
300: my $fieldname = $env{'request.symb'}.
301: '&part_'. $Apache::inputtags::part.
302: '&textresponse'.
303: '&HWVAL_' . $Apache::inputtags::response['-1'];
304: $result.='\TextField[name='.$fieldname.',multiline=true,height=6\baselineskip,width=270,borderwidth=0,backgroundcolor={.85 .85 .85}]\\';
305: } else {
306: my $TeXwidth=$width_of_box/80;
307: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
308: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
309: $result.='}}}\vskip 2 mm ';
310: }
311: }
312: }
313: return $result;
314: }
315:
316: sub end_textfield {
317: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
318: my $result;
319: if ($target eq 'web') {
320: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
321: $Apache::lonxml::evaluate++;
322: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
323: my $resid = $Apache::inputtags::response[-1];
324: my $tagident = 'HWVAL_' . $resid;
325: my $result = "</textarea>";
326: $result .= &spellcheck_onblur($tagident, $spellcheck);
327: return $result;
328: }
329: } elsif ($target eq 'edit') {
330: $result=&Apache::edit::end_table();
331: }
332: &end_input;
333: return $result;
334: }
335:
336: sub exam_score_line {
337: my ($target) = @_;
338:
339: my $result;
340: if ($target eq 'tex') {
341: my $repetition = &Apache::response::repetition();
342: $result.='\begin{enumerate}';
343: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
344: foreach my $i (0..$repetition-1) {
345: $result.='\item[\textbf{'.
346: ($Apache::lonxml::counter+$i).
347: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
348: }
349: $result.= '\end{enumerate}';
350: }
351:
352: return $result;
353: }
354:
355: sub exam_box {
356: my ($target) = @_;
357: my $result;
358:
359: if ($target eq 'tex') {
360: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
361: $result .= &exam_score_line($target);
362: } elsif ($target eq 'web') {
363: my $id=$Apache::inputtags::response[-1];
364: $result.= '<br /><br />
365: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
366: </textarea> <br /><br />';
367: }
368: return $result;
369: }
370:
371: sub needs_exam_box {
372: my ($tagstack) = @_;
373: my @tags = ('formularesponse',
374: 'stringresponse',
375: 'reactionresponse',
376: 'organicresponse',
377: );
378:
379: foreach my $tag (@tags) {
380: if (grep(/\Q$tag\E/,@$tagstack)) {
381: return 1;
382: }
383: }
384: return 0;
385: }
386:
387: sub start_textline {
388: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
389: my $result = "";
390: my $input_id = &start_input($parstack,$safeeval);
391:
392: # The spellcheck attribute
393: # 1. enables spellchecking.
394: # 2. Provides the language code in which the spellchecking will be performed.
395:
396: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
397: if ($target eq 'web') {
398: $Apache::lonxml::evaluate--;
399: my $partid=$Apache::inputtags::part;
400: my $id=$Apache::inputtags::response[-1];
401: if (!&Apache::response::show_answer()) {
402: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
403: my $maxlength;
404: if ($size eq '') { $size=20; } else {
405: if ($size < 20) {
406: $maxlength = ' maxlength="'.$size.'"';
407: }
408: }
409: my ($oldresponse,$newvariation);
410: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
411: ($Apache::lonhomework::type eq 'randomizetry')) &&
412: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
413: if ($env{'form.'.$partid.'.rndseed'} ne
414: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
415: $newvariation = 1;
416: }
417: }
418: unless ($newvariation) {
419: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
420: (($env{'form.grade_username'} eq $env{'user.name'}) &&
421: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
422: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
423: } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') ||
424: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred') ||
425: ($Apache::lonhomework::type eq 'anonsurvey') ||
426: ($Apache::lonhomework::type eq 'anonsurveycred')) {
427: $oldresponse = '* '.&mt('only shown to submitter').' *';
428: } else {
429: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
430: }
431: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
432: if (ref($oldresponse) eq 'ARRAY') {
433: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
434: }
435: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
436: $oldresponse =~ s/^\s+//;
437: $oldresponse =~ s/\s+$//;
438: $oldresponse =~ s/\s+/ /g;
439: }
440: if ($Apache::lonhomework::type ne 'exam') {
441: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
442: $result='';
443: if ($addchars) {
444: $result.=&addchars('HWVAL_'.$id,$addchars);
445: }
446: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
447: $safeeval);
448: if (lc($readonly) eq 'yes'
449: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
450: $readonly=' readonly="readonly" ';
451: } else {
452: $readonly='';
453: }
454: my $name = 'HWVAL_'.$id;
455: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
456: $name = "none";
457: }
458: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
459: . ' type="text" '
460: . $readonly.' name="'. $name . '"'
461: . ' id="' . $name . '"'
462: . ' value="'. $oldresponse.'"'
463: . ' class="spellchecked" size="'.$size.'"'.$maxlength
464: . '/>';
465:
466: $result .= &spellcheck_onblur($name, $spellcheck);
467: }
468: if ($Apache::lonhomework::type eq 'exam'
469: && &needs_exam_box($tagstack)) {
470: $result.=&exam_box($target);
471: }
472: } else {
473: #right or wrong don't show what was last typed in.
474: my $count = scalar(@Apache::inputtags::inputlist)-1;
475: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
476: #$result='';
477: }
478: } elsif ($target eq 'edit') {
479: $result=&Apache::edit::tag_start($target,$token);
480: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
481: &Apache::edit::text_arg('Click-On Texts (comma sep):',
482: 'addchars',$token,10);
483: $result.=&Apache::edit::select_arg('Readonly:','readonly',
484: ['no','yes'],$token);
485: my $spell_langs = &spelling_languages();
486: $result.=&Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
487: $spell_langs, $token);
488: $result.=&Apache::edit::end_row();
489: $result.=&Apache::edit::end_table();
490: } elsif ($target eq 'modified') {
491: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
492: $safeeval,'size',
493: 'addchars','readonly', 'spellcheck');
494: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
495: } elsif ($target eq 'tex'
496: && $Apache::lonhomework::type ne 'exam') {
497: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
498: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
499: if ($env{'form.pdfFormFields'} eq 'yes'
500: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
501: my $fieldname = $env{'request.symb'}.
502: '&part_'. $Apache::inputtags::part.
503: '&textresponse'.
504: '&HWVAL_' . $Apache::inputtags::response['-1'];
505: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
506: } else {
507: $result='\framebox['.$size.'][s]{\tiny\strut}';
508: }
509: } elsif ($target eq 'tex'
510: && $Apache::lonhomework::type eq 'exam'
511: && &needs_exam_box($tagstack)) {
512: $result.=&exam_box($target);
513: }
514: return $result;
515: }
516:
517: sub end_textline {
518: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
519: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
520: elsif ($target eq 'edit') { return ('','no'); }
521: &end_input();
522: return "";
523: }
524:
525: sub start_hiddenline {
526: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
527: my $result = "";
528: my $input_id = &start_input($parstack,$safeeval);
529: if ($target eq 'web') {
530: $Apache::lonxml::evaluate--;
531: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
532: my $partid=$Apache::inputtags::part;
533: my $id=$Apache::inputtags::response[-1];
534: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
535: if (ref($oldresponse) eq 'ARRAY') {
536: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
537: }
538: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
539:
540: if ($Apache::lonhomework::type ne 'exam') {
541: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
542: $oldresponse.'" />';
543: }
544: }
545: } elsif ($target eq 'edit') {
546: $result=&Apache::edit::tag_start($target,$token);
547: $result.=&Apache::edit::end_table;
548: }
549:
550: if ( ($target eq 'web' || $target eq 'tex')
551: && $Apache::lonhomework::type eq 'exam'
552: && &needs_exam_box($tagstack)) {
553: $result.=&exam_box($target);
554: }
555: return $result;
556: }
557:
558: sub end_hiddenline {
559: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
560: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
561: elsif ($target eq 'edit') { return ('','no'); }
562: &end_input();
563: return "";
564: }
565:
566:
567: sub start_hiddensubmission {
568: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
569: my $result = "";
570: my $input_id = &start_input($parstack,$safeeval);
571: if ($target eq 'web') {
572: $Apache::lonxml::evaluate--;
573: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
574: my $partid=$Apache::inputtags::part;
575: my $id=$Apache::inputtags::response[-1];
576: if ($Apache::lonhomework::type ne 'exam') {
577: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
578: $value = &HTML::Entities::encode($value,'<>&"');
579: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
580: }
581: }
582: } elsif ($target eq 'edit') {
583: $result=&Apache::edit::tag_start($target,$token);
584: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
585: $result.=&Apache::edit::end_row();
586: $result.=&Apache::edit::end_table();
587: } elsif ($target eq 'modified') {
588: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
589: $safeeval,'value');
590: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
591: }
592:
593: if ( ($target eq 'web' || $target eq 'tex')
594: && $Apache::lonhomework::type eq 'exam'
595: && &needs_exam_box($tagstack)) {
596: $result.=&exam_box($target);
597: }
598: return $result;
599: }
600:
601: sub end_hiddensubmission {
602: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
603: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
604: elsif ($target eq 'edit') { return ('','no'); }
605: &end_input();
606: return "";
607: }
608:
609: =pod
610:
611: =item file_selector()
612:
613: $part -> partid
614: $id -> responseid
615: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
616: $which -> 'uploadonly' -> only newly uploaded files
617: 'portfolioonly' -> only allow files from portfolio
618: 'both' -> allow files from either location
619: $extratext -> additional text to go between the link and the input box
620: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
621: returns a table row <tr>
622:
623: =cut
624:
625: sub file_selector {
626: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
627: if (!$uploadedfiletypes) { return ''; }
628:
629: my $jspart=$part;
630: $jspart=~s/\./_/g;
631:
632: my $result;
633: my $current_files_display = ¤t_file_submissions($part,$id);
634: my $addfiles;
635: if ($current_files_display) {
636: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
637: $current_files_display.
638: &Apache::lonhtmlcommon::row_closure();
639: $addfiles = &mt('Submit other file(s)');
640: } else {
641: $addfiles = &mt('Choose file(s) to submit');
642: }
643: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
644: my $constraints;
645: if ($uploadedfiletypes ne '*') {
646: $constraints =
647: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
648: }
649: if ($maxfilesize) {
650: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].',
651: '<b>'.$maxfilesize.'</b>').'<br />';
652: }
653: if ($constraints) {
654: $result .= $constraints.'<br />';
655: }
656: if ($which eq 'uploadonly' || $which eq 'both') {
657: $result.=&mt('Submit a file: (only one file per submission)').
658: ' <br /><input type="file" size="50" name="HWFILE'.
659: $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
660: }
661: if ( $which eq 'both') {
662: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
663: }
664: if ($which eq 'portfolioonly' || $which eq 'both') {
665: my $symb = $env{'request.symb'};
666: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
667: my $showsymb;
668: # If resource is a .task and URL is unencrypted, include symb in query string
669: # for url opened in portfolio file selection window. Can be used to override
670: # blocking of portfolio access resulting from an exam event in a different course.
671: if ($res =~ /\.task$/i) {
672: my $encsymb = &Apache::lonenc::check_encrypt($symb);
673: if ($symb eq $encsymb) {
674: $showsymb = $symb;
675: }
676: }
677: $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"))'."'".'>'.
678: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
679: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
680: '<br />';
681:
682: }
683: $result.=&Apache::lonhtmlcommon::row_closure(1);
684: return $result;
685: }
686:
687: sub current_file_submissions {
688: my ($part,$id) = @_;
689: my $jspart=$part;
690: $jspart=~s/\./_/g;
691: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
692: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
693: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
694: my $header = &Apache::loncommon::start_data_table().
695: &Apache::loncommon::start_data_table_header_row();
696: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
697: $header .= '<th>'.&mt('Delete?').'</th>';
698: }
699: $header .= '<th>'.&mt('File').'</th>'.
700: '<th>'.&mt('Size (MB)').'</th>'.
701: '<th>'.&mt('Last Modified').'</th>'.
702: &Apache::loncommon::end_data_table_header_row();
703: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
704: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
705: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
706: if ($uploadedfile) {
707: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
708: my $link = &HTML::Entities::encode($url,'<>&"');
709: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
710: my ($status,$hashref,$error) =
711: ¤t_file_info($url,$link,$name,$path);
712: if ($status eq 'ok') {
713: push(@{$okfiles{$name}},$url);
714: $rows{$url} = $hashref;
715: $legacy{$url} = 1;
716: &Apache::lonxml::extlink($url);
717: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
718: } else {
719: push(@bad_file_list,$error);
720: }
721: }
722: if ($portfiles =~ /[^\s]/) {
723: my $prefix = "/uploaded/$udom/$uname/portfolio";
724: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
725: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
726: my $url = $prefix.$path.$name;
727: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
728: my ($status,$hashref,$error) =
729: ¤t_file_info($url,$uploadedfile,$name,$path);
730: if ($status eq 'ok') {
731: push(@{$okfiles{$name}},$url);
732: $rows{$url} = $hashref;
733: } else {
734: push(@bad_file_list,$error);
735: }
736: }
737: }
738: my $num = 0;
739: foreach my $name (sort(keys(%okfiles))) {
740: if (ref($okfiles{$name}) eq 'ARRAY') {
741: foreach my $url (@{$okfiles{$name}}) {
742: if (ref($rows{$url}) eq 'HASH') {
743: my $link = $rows{$url}{link};
744: my $portfile = $rows{$url}{path}.$rows{$url}{name};
745: $portfile = &HTML::Entities::encode($portfile,'<>&"');
746: if ($link) {
747: my $icon=&Apache::loncommon::icon($url);
748: unless ($header_shown) {
749: $result .= $header;
750: $header_shown = 1;
751: }
752: $result.=
753: &Apache::loncommon::start_data_table_row()."\n";
754: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
755: $result .=
756: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
757: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
758: $num ++;
759: }
760: my $showname = $rows{$url}{path}.$name;
761: if ($legacy{$url}) {
762: $showname = $name.' '.&mt('not in portfolio');
763: }
764: $result .=
765: '<td><a href="'.$link.'"><img src="'.$icon.
766: '" border="0" alt="" />'.$showname.'</a></td>'."\n".
767: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
768: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
769: &Apache::loncommon::end_data_table_row();
770: }
771: }
772: }
773: }
774: }
775: if ($header_shown) {
776: $result .= &Apache::loncommon::end_data_table();
777: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
778: $result .= '<br /><span class="LC_warning">'.
779: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
780: }
781: }
782: if (@bad_file_list) {
783: my $bad_files = '<span class="LC_filename">'.
784: join('</span>, <span class="LC_filename">',@bad_file_list).
785: '</span>';
786: $result.='<p class="LC_error">'.
787: &mt("These file(s) don't exist: [_1]",$bad_files).
788: '</p>';
789: }
790: return $result;
791: }
792:
793: sub current_file_info {
794: my ($url,$uploadedfile,$name,$path) = @_;
795: my ($status,$error,%info);
796: my @stat = &Apache::lonnet::stat_file($url);
797: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
798: my ($lastmod,$size);
799: if ($stat[9] =~ /^\d+$/) {
800: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
801: }
802: $size = $stat[7]/(1024*1024);
803: $size = sprintf("%.3f",$size);
804: %info = (
805: link => $uploadedfile,
806: name => $name,
807: path => $path,
808: size => $size,
809: lastmodified => $lastmod,
810: );
811: $status = 'ok';
812: } else {
813: &Apache::lonnet::logthis("bad file is $url");
814: my $icon=&Apache::loncommon::icon($url);
815: $error = '<a href="'.$url.'"><img src="'.$icon.
816: '" border="0" />'.$uploadedfile.'</a>';
817: }
818: return ($status,\%info,$error);
819: }
820:
821: sub valid_award {
822: my ($award) =@_;
823: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
824: 'NO_RESPONSE',
825: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
826: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
827: 'UNIT_FAIL', 'NO_UNIT',
828: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
829: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
830: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
831: 'MISORDERED_RANK', 'INVALID_FILETYPE',
832: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
833: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
834: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
835: 'ASSIGNED_SCORE', 'APPROX_ANS',
836: 'EXACT_ANS','COMMA_FAIL') {
837: if ($award eq $possibleaward) { return 1; }
838: }
839: return 0;
840: }
841:
842: {
843: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
844: 'TOO_LONG',
845: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
846: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
847: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
848: 'WRONG_FORMAT', 'INTERNAL_ERROR',
849: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
850: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
851: 'DRAFT', 'SUBMITTED',
852: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
853: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
854: my $i=0;
855: my %fwd_awards = map { ($_,$i++) } @awards;
856: my $max=scalar(@awards);
857: @awards=reverse(@awards);
858: $i=0;
859: my %rev_awards = map { ($_,$i++) } @awards;
860:
861: sub awarddetail_to_awarded {
862: my ($awarddetail) = @_;
863: if ($awarddetail eq 'EXACT_ANS'
864: || $awarddetail eq 'APPROX_ANS') {
865: return 1;
866: }
867: return 0;
868: }
869:
870: sub hide_award {
871: my ($award) = @_;
872: if (&Apache::lonhomework::show_no_problem_status()) {
873: return 1;
874: }
875: if ($award =~
876: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
877: return 1;
878: }
879: return 0;
880: }
881:
882: sub finalizeawards {
883: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
884: my $result;
885: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
886: if ($result eq '' ) {
887: my $blankcount;
888: foreach my $award (@$awardref) {
889: if ($award eq '') {
890: $result='MISSING_ANSWER';
891: $blankcount++;
892: }
893: }
894: if ($blankcount == ($#$awardref + 1)) {
895: return ('NO_RESPONSE');
896: }
897: }
898:
899: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
900:
901: if (!$final_scantron && defined($result)) { return ($result); }
902:
903: # if in scantron mode, if the award for any response is
904: # assigned score, then the part gets an assigned score
905: if ($final_scantron
906: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
907: return ('ASSIGNED_SCORE');
908: }
909:
910: # if in scantron mode, if the award for any response is
911: # correct and there are non-correct responses,
912: # then the part gets an assigned score
913: if ($final_scantron
914: && (grep { $_ eq 'EXACT_ANS' ||
915: $_ eq 'APPROX_ANS' } (@$awardref))
916: && (grep { $_ ne 'EXACT_ANS' &&
917: $_ ne 'APPROX_ANS' } (@$awardref))) {
918: return ('ASSIGNED_SCORE');
919: }
920: # these awards are ordered from most important error through best correct
921: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
922:
923: my $best = $max;
924: my $j=0;
925: my $which;
926: foreach my $award (@$awardref) {
927: if ($awards->{$award} < $best) {
928: $best = $awards->{$award};
929: $which = $j;
930: }
931: $j++;
932: }
933:
934: if (defined($which)) {
935: if (ref($nameref)) {
936: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
937: } else {
938: return ($$awardref[$which],$$msgref[$which]);
939: }
940: }
941: return ('ERROR',undef);
942: }
943: }
944:
945: sub decideoutput {
946: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect)=@_;
947:
948: my $message='';
949: my $button=0;
950: my $previousmsg;
951: my $css_class='orange';
952: my $added_computer_text=0;
953: my %possible_class =
954: ( 'correct' => 'LC_answer_correct',
955: 'charged_try' => 'LC_answer_charged_try',
956: 'not_charged_try' => 'LC_answer_not_charged_try',
957: 'no_grade' => 'LC_answer_no_grade',
958: 'no_message' => 'LC_no_message',
959: );
960:
961: my $part = $Apache::inputtags::part;
962: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
963: my $handgrade = ('yes' eq lc($tohandgrade));
964: #
965: # Should "Computer's Answer" be displayed?
966: # Should not be displayed if still answerable,
967: # if the problem is handgraded,
968: # or if the problem does not give a correct answer
969: #
970:
971: my $computer = ($handgrade || $nocorrect)? ''
972: : " ".&mt("Computer's answer now shown above.");
973: &Apache::lonxml::debug("handgrade has :$handgrade:");
974:
975: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
976:
977: if ($solved =~ /^correct/) {
978: $css_class=$possible_class{'correct'};
979: $message=&mt('You are correct.');
980: if ($awarded < 1 && $awarded > 0) {
981: $message=&mt('You are partially correct.');
982: $css_class=$possible_class{'not_charged_try'};
983: } elsif ($awarded < 1) {
984: $message=&mt('Incorrect.');
985: $css_class=$possible_class{'charged_try'};
986: }
987: if ($handgrade ||
988: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
989: $message = &mt("A score has been assigned.");
990: $added_computer_text=1;
991: } else {
992: if ($target eq 'tex') {
993: $message = '\textbf{'.$message.'}';
994: } else {
995: $message = "<b>".$message."</b>";
996: $message.= $computer;
997: }
998: $added_computer_text=1;
999: if ($awarded > 0) {
1000: my ($symb) = &Apache::lonnet::whichuser();
1001: if (($symb ne '')
1002: &&
1003: ($env{'course.'.$env{'request.course.id'}.
1004: '.disable_receipt_display'} ne 'yes') &&
1005: ($Apache::lonhomework::type ne 'practice')) {
1006: $message.=(($target eq 'web')?'<br />':' ').
1007: &mt('Your receipt no. is [_1]',
1008: (&Apache::lonnet::receipt($Apache::inputtags::part).
1009: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1010: }
1011: }
1012: }
1013: if ($awarded >= 1) {
1014: $button=0;
1015: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
1016: $button=0;
1017: } else {
1018: $button=1;
1019: }
1020: $previousmsg='';
1021: } elsif ($solved =~ /^excused/) {
1022: if ($target eq 'tex') {
1023: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
1024: } else {
1025: $message = "<b>".&mt('You are excused from the problem.')."</b>";
1026: }
1027: $css_class=$possible_class{'charged_try'};
1028: $button=0;
1029: $previousmsg='';
1030: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1031: if ($solved =~ /^incorrect/ || $solved eq '') {
1032: $message = &mt("Incorrect").".";
1033: $css_class=$possible_class{'charged_try'};
1034: $button=1;
1035: } else {
1036: if ($target eq 'tex') {
1037: $message = '\textbf{'.&mt('You are correct.').'}';
1038: } else {
1039: $message = "<b>".&mt('You are correct.')."</b>";
1040: $message.= $computer;
1041: }
1042: $added_computer_text=1;
1043: if ($awarded > 0
1044: && $env{'course.'.
1045: $env{'request.course.id'}.
1046: '.disable_receipt_display'} ne 'yes') {
1047: $message.=(($target eq 'web')?'<br />':' ').
1048: &mt('Your receipt is [_1]',
1049: (&Apache::lonnet::receipt($Apache::inputtags::part).
1050: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1051: }
1052: $css_class=$possible_class{'correct'};
1053: $button=0;
1054: $previousmsg='';
1055: }
1056: } elsif ($award eq 'NO_RESPONSE') {
1057: $message = '';
1058: $css_class=$possible_class{'no_feedback'};
1059: $button=1;
1060: } elsif ($award eq 'EXTRA_ANSWER') {
1061: $message = &mt('Some extra items were submitted.');
1062: $css_class=$possible_class{'not_charged_try'};
1063: $button = 1;
1064: } elsif ($award eq 'MISSING_ANSWER') {
1065: $message = &mt('Some items were not submitted.');
1066: if ($target ne 'tex') {
1067: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1068: }
1069: $css_class=$possible_class{'not_charged_try'};
1070: $button = 1;
1071: } elsif ($award eq 'ERROR') {
1072: $message = &mt('An error occurred while grading your answer.');
1073: $css_class=$possible_class{'not_charged_try'};
1074: $button = 1;
1075: } elsif ($award eq 'TOO_LONG') {
1076: $message = &mt("The submitted answer was too long.");
1077: $css_class=$possible_class{'not_charged_try'};
1078: $button=1;
1079: } elsif ($award eq 'WANTED_NUMERIC') {
1080: $message = &mt("This question expects a numeric answer.");
1081: $css_class=$possible_class{'not_charged_try'};
1082: $button=1;
1083: } elsif ($award eq 'MISORDERED_RANK') {
1084: $message = &mt('You have provided an invalid ranking.');
1085: if ($target ne 'tex') {
1086: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1087: }
1088: $css_class=$possible_class{'not_charged_try'};
1089: $button=1;
1090: } elsif ($award eq 'EXCESS_FILESIZE') {
1091: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
1092: $css_class=$possible_class{'not_charged_try'};
1093: $button=1;
1094: } elsif ($award eq 'FILENAME_INUSE') {
1095: $message = &mt('You have already uploaded a file with that filename.');
1096: if ($target eq 'tex') {
1097: $message.= "\\\\\n";
1098: } else {
1099: $message .= '<br />';
1100: }
1101: $message .= &mt('Please use a different filename.');
1102: $css_class=$possible_class{'not_charged_try'};
1103: $button=1;
1104: } elsif ($award eq 'INVALID_FILETYPE') {
1105: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1106: $css_class=$possible_class{'not_charged_try'};
1107: $button=1;
1108: } elsif ($award eq 'SIG_FAIL') {
1109: my ($used,$min,$max)=split(':',$awardmsg);
1110: my $word = ($used < $min) ? 'more' : 'fewer';
1111: $message = &mt("Submission not graded. Use $word digits.",$used);
1112: $css_class=$possible_class{'not_charged_try'};
1113: $button=1;
1114: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1115: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1116: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1117: $css_class=$possible_class{'not_charged_try'};
1118: $button=1;
1119: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1120: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1121: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1122: $css_class=$possible_class{'not_charged_try'};
1123: $button=1;
1124: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1125: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1126: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1127: $css_class=$possible_class{'not_charged_try'};
1128: $button=1;
1129: } elsif ($award eq 'UNIT_NOTNEEDED') {
1130: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1131: $css_class=$possible_class{'not_charged_try'};
1132: $button=1;
1133: } elsif ($award eq 'NO_UNIT') {
1134: $message = &mt("Units required").'.';
1135: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1136: $css_class=$possible_class{'not_charged_try'};
1137: $button=1;
1138: } elsif ($award eq 'COMMA_FAIL') {
1139: $message = &mt("Proper comma separation is required").'.';
1140: $css_class=$possible_class{'not_charged_try'};
1141: $button=1;
1142: } elsif ($award eq 'BAD_FORMULA') {
1143: $message = &mt("Unable to understand formula").'.';
1144: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1145: $css_class=$possible_class{'not_charged_try'};
1146: $button=1;
1147: } elsif ($award eq 'NOT_FUNCTION') {
1148: $message = &mt("Not a function").'.';
1149: $css_class=$possible_class{'not_charged_try'};
1150: $button=1;
1151: } elsif ($award eq 'WRONG_FORMAT') {
1152: $message = &mt("Wrong format").'.';
1153: $css_class=$possible_class{'not_charged_try'};
1154: $button=1;
1155: } elsif ($award eq 'INTERNAL_ERROR') {
1156: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1157: $css_class=$possible_class{'not_charged_try'};
1158: $button=1;
1159: } elsif ($award eq 'INCORRECT') {
1160: $message = &mt("Incorrect").'.';
1161: $css_class=$possible_class{'charged_try'};
1162: $button=1;
1163: } elsif ($award eq 'SUBMITTED') {
1164: $message = &mt("Your submission has been recorded.");
1165: $css_class=$possible_class{'no_grade'};
1166: $button=1;
1167: } elsif ($award eq 'SUBMITTED_CREDIT') {
1168: $message = &mt("Your submission has been recorded, and credit awarded.");
1169: $css_class=$possible_class{'correct'};
1170: $button=1;
1171: } elsif ($award eq 'ANONYMOUS') {
1172: $message = &mt("Your anonymous submission has been recorded.");
1173: $css_class=$possible_class{'no_grade'};
1174: $button=1;
1175: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1176: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1177: $css_class=$possible_class{'correct'};
1178: $button=1;
1179: } elsif ($award eq 'DRAFT') {
1180: $message = &mt("Copy saved but not submitted.");
1181: $css_class=$possible_class{'not_charged_try'};
1182: $button=1;
1183: } elsif ($award eq 'ASSIGNED_SCORE') {
1184: $message = &mt("A score has been assigned.");
1185: $css_class=$possible_class{'correct'};
1186: $button=0;
1187: } elsif ($award eq '') {
1188: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1189: $message = &mt("Nothing submitted.");
1190: $css_class=$possible_class{'charged_try'};
1191: } else {
1192: $css_class=$possible_class{'not_charged_try'};
1193: }
1194: $button=1;
1195: } else {
1196: $message = &mt("Unknown message").": $award";
1197: $button=1;
1198: }
1199: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1200: foreach my $resid(@Apache::inputtags::response){
1201: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1202: if ($target eq 'tex') {
1203: $message.= "\\\\\n";
1204: } else {
1205: $message.='<br />';
1206: }
1207: my @files = split(/\s*,\s*/,
1208: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1209: my $file_msg;
1210: foreach my $file (@files) {
1211: if ($target eq 'tex') {
1212: $file_msg.= "\\\\\n".$file;
1213: } else {
1214: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1215: }
1216: }
1217: $message .= &mt('Returned file(s): [_1]',$file_msg);
1218: if ($target eq 'tex') {
1219: $message.= "\\\\\n";
1220: } else {
1221: $message.='<br />';
1222: }
1223: }
1224: }
1225:
1226: if (&Apache::lonhomework::hide_problem_status()
1227: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1228: && &hide_award($award)) {
1229: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1230: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1231: if ($interval[0] =~ /\d+/) {
1232: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1233: if (defined($first_access)) {
1234: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1235: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1236: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1237: }
1238: }
1239: }
1240: $css_class=$possible_class{'no_grade'};
1241: $button=1;
1242: }
1243: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1244: !$added_computer_text && $target ne 'tex') {
1245: $message.= $computer;
1246: $added_computer_text=1;
1247: }
1248: if ($Apache::lonhomework::type eq 'practice') {
1249: if ($target eq 'web') {
1250: $message .= '<br />';
1251: } else {
1252: $message .= ' ';
1253: }
1254: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1255: }
1256: return ($button,$css_class,$message,$previousmsg);
1257: }
1258:
1259: sub markup_unit {
1260: my ($unit,$target)=@_;
1261: if ($target eq 'tex') {
1262: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1263: } else {
1264: return "<tt>".$unit."</tt>";
1265: }
1266: }
1267:
1268: sub removealldata {
1269: my ($id)=@_;
1270: foreach my $key (keys(%Apache::lonhomework::results)) {
1271: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1272: &Apache::lonxml::debug("Removing $key");
1273: delete($Apache::lonhomework::results{$key});
1274: }
1275: }
1276: }
1277:
1278: sub hidealldata {
1279: my ($id)=@_;
1280: foreach my $key (keys(%Apache::lonhomework::results)) {
1281: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1282: &Apache::lonxml::debug("Hidding $key");
1283: my $newkey=$key;
1284: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1285: $Apache::lonhomework::results{$newkey}=
1286: $Apache::lonhomework::results{$key};
1287: delete($Apache::lonhomework::results{$key});
1288: }
1289: }
1290: }
1291:
1292: sub setgradedata {
1293: my ($award,$msg,$id,$previously_used) = @_;
1294: if ($Apache::lonhomework::scantronmode &&
1295: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1296: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1297: } elsif ($Apache::lonhomework::scantronmode &&
1298: $env{'form.CODE'} eq '' &&
1299: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1300: $Apache::lonhomework::results{"resource.CODE"}='';
1301: }
1302:
1303: if (!$Apache::lonhomework::scantronmode &&
1304: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1305: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1306: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1307: return '';
1308: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1309: || $Apache::lonhomework::scantronmode
1310: || &Apache::lonhomework::hide_problem_status() ) {
1311: # the student doesn't already have it correct,
1312: # or we are in a mode (scantron orno problem status) where a correct
1313: # can become incorrect
1314: # handle assignment of tries and solved status
1315: my $solvemsg;
1316: if ($Apache::lonhomework::scantronmode) {
1317: $solvemsg='correct_by_scantron';
1318: } else {
1319: $solvemsg='correct_by_student';
1320: }
1321: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1322: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1323: }
1324: if ( $award eq 'ASSIGNED_SCORE') {
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: my $numawards=scalar(@Apache::inputtags::response);
1330: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1331: foreach my $res (@Apache::inputtags::response) {
1332: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1333: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1334: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1335: } else {
1336: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1337: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1338: }
1339: }
1340: if ($numawards > 0) {
1341: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1342: $numawards;
1343: }
1344: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1345: $Apache::lonhomework::results{"resource.$id.tries"} =
1346: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1347: $Apache::lonhomework::results{"resource.$id.solved"} =
1348: $solvemsg;
1349: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1350: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1351: $Apache::lonhomework::results{"resource.$id.tries"} =
1352: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1353: $Apache::lonhomework::results{"resource.$id.solved"} =
1354: 'credit_attempted';
1355: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1356: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1357: $Apache::lonhomework::results{"resource.$id.tries"} =
1358: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1359: $Apache::lonhomework::results{"resource.$id.solved"} =
1360: 'credit_attempted';
1361: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1362: } elsif ( $award eq 'INCORRECT' ) {
1363: $Apache::lonhomework::results{"resource.$id.tries"} =
1364: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1365: if (&Apache::lonhomework::hide_problem_status()
1366: || $Apache::lonhomework::scantronmode) {
1367: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1368: }
1369: $Apache::lonhomework::results{"resource.$id.solved"} =
1370: 'incorrect_attempted';
1371: } elsif ( $award eq 'SUBMITTED' ) {
1372: $Apache::lonhomework::results{"resource.$id.tries"} =
1373: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1374: $Apache::lonhomework::results{"resource.$id.solved"} =
1375: 'ungraded_attempted';
1376: } elsif ( $award eq 'ANONYMOUS' ) {
1377: $Apache::lonhomework::results{"resource.$id.tries"} =
1378: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1379: $Apache::lonhomework::results{"resource.$id.solved"} =
1380: 'ungraded_attempted';
1381: } elsif ( $award eq 'DRAFT' ) {
1382: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1383: } elsif ( $award eq 'NO_RESPONSE' ) {
1384: #no real response so delete any data that got stored
1385: &removealldata($id);
1386: return '';
1387: } else {
1388: $Apache::lonhomework::results{"resource.$id.solved"} =
1389: 'incorrect_attempted';
1390: if (&Apache::lonhomework::show_no_problem_status()
1391: || $Apache::lonhomework::scantronmode) {
1392: $Apache::lonhomework::results{"resource.$id.tries"} =
1393: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1394: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1395: }
1396:
1397: if (&Apache::lonhomework::show_some_problem_status()) {
1398: # clear out the awarded if they had gotten it wrong/right
1399: # and are now in an error mode
1400: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1401: }
1402: }
1403: if (defined($msg)) {
1404: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1405: }
1406: # did either of the overall awards chage? If so ignore the
1407: # previous check
1408: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1409: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1410: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1411: $Apache::lonhomework::history{"resource.$id.solved"})) {
1412: # check if this was a previous submission if it was delete the
1413: # unneeded data and update the previously_used attribute
1414: if ( $previously_used eq 'PREVIOUSLY_USED') {
1415: if (&Apache::lonhomework::show_problem_status()) {
1416: delete($Apache::lonhomework::results{"resource.$id.tries"});
1417: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1418: }
1419: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1420: #delete all data as they student didn't do anything, but save
1421: #the list of collaborators.
1422: &removealldata($id);
1423: #and since they didn't do anything we were never here
1424: return '';
1425: } else {
1426: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1427: }
1428: }
1429: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1430: #delete all data as they student already has it correct
1431: &removealldata($id);
1432: #and since they didn't do anything we were never here
1433: return '';
1434: }
1435: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1436: if ($award eq 'SUBMITTED') {
1437: &Apache::response::add_to_gradingqueue();
1438: }
1439: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1440: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1441: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1442: $Apache::lonhomework::results{"resourse.$id.version"} = &Apache::lonnet::usedversion();
1443: }
1444:
1445: sub find_which_previous {
1446: my ($version) = @_;
1447: my $part = $Apache::inputtags::part;
1448: my (@previous_version);
1449: foreach my $resp (@Apache::inputtags::response) {
1450: my $key = "$version:resource.$part.$resp.submission";
1451: my $submission = $Apache::lonhomework::history{$key};
1452: my %previous = &Apache::response::check_for_previous($submission,
1453: $part,$resp,
1454: $version);
1455: push(@previous_version,$previous{'version'});
1456: }
1457: return &previous_match(\@previous_version,
1458: scalar(@Apache::inputtags::response));
1459: }
1460:
1461: sub previous_match {
1462: my ($previous_array,$count) = @_;
1463: my $match = 0;
1464: my @matches;
1465: foreach my $versionar (@$previous_array) {
1466: foreach my $version (@$versionar) {
1467: $matches[$version]++;
1468: }
1469: }
1470: my $which=0;
1471: foreach my $elem (@matches) {
1472: if ($elem eq $count) {
1473: $match=1;
1474: last;
1475: }
1476: $which++;
1477: }
1478: return ($match,$which);
1479: }
1480:
1481: sub grade {
1482: my ($target) = @_;
1483: my $id = $Apache::inputtags::part;
1484: my $response='';
1485: if ( defined $env{'form.submitted'}) {
1486: my (@awards,@msgs);
1487: foreach $response (@Apache::inputtags::response) {
1488: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1489: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1490: &Apache::lonxml::debug("keeping $value from $response for $id");
1491: push (@awards,$value);
1492: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1493: &Apache::lonxml::debug("got message $value from $response for $id");
1494: push (@msgs,$value);
1495: }
1496: my ($finalaward,$msg) =
1497: &finalizeawards(\@awards,\@msgs,undef,undef,
1498: $Apache::lonhomework::scantronmode);
1499: my $previously_used;
1500: if ( $#Apache::inputtags::previous eq $#awards ) {
1501: my ($match) =
1502: &previous_match(\@Apache::inputtags::previous_version,
1503: scalar(@Apache::inputtags::response));
1504:
1505: if ($match) {
1506: $previously_used = 'PREVIOUSLY_LAST';
1507: foreach my $value (@Apache::inputtags::previous) {
1508: if ($value eq 'PREVIOUSLY_USED' ) {
1509: $previously_used = $value;
1510: last;
1511: }
1512: }
1513: }
1514: }
1515: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1516: &setgradedata($finalaward,$msg,$id,$previously_used);
1517: }
1518: return '';
1519: }
1520:
1521: sub get_grade_messages {
1522: my ($id,$prefix,$target,$status,$nocorrect) = @_;
1523: # nocorrect suppresses "Computer's answer now shown above"
1524: my ($message,$latemessage,$trystr,$previousmsg);
1525: my $showbutton = 1;
1526:
1527: my $award = $Apache::lonhomework::history{"$prefix.award"};
1528: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1529: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1530: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1531: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1532: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1533: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1534: &Apache::lonxml::debug('Getting message');
1535: ($showbutton,my $css_class,$message,$previousmsg) =
1536: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1537: $target,(($status eq 'CAN_ANSWER') || $nocorrect));
1538: if ($target eq 'tex') {
1539: $message='\vskip 2 mm '.$message.' ';
1540: } else {
1541: $message="<td class=\"$css_class\">$message</td>";
1542: if ($previousmsg) {
1543: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1544: }
1545: }
1546: }
1547: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1548: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1549: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1550: #if tries are set to negative turn off the Tries/Button and messages
1551: if (defined($maxtries) && $maxtries < 0) { return ''; }
1552: if ( $tries eq '' ) { $tries = '0'; }
1553: if ( $maxtries eq '' ) { $maxtries = '2'; }
1554: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1555: my $tries_text= &get_tries_text();
1556: if ($showbutton) {
1557: if ($target eq 'tex') {
1558: if ($env{'request.state'} ne "construct"
1559: && $Apache::lonhomework::type ne 'exam'
1560: && $env{'form.suppress_tries'} ne 'yes') {
1561: $trystr ='{\vskip 1 mm \small '
1562: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1563: ,'\textit{','}',$tries.'/'.$maxtries )
1564: .'} \vskip 2 mm';
1565: } else {
1566: $trystr = '\vskip 0 mm ';
1567: }
1568: } else {
1569: my $trial =$tries;
1570: if ($Apache::lonhomework::parsing_a_task) {
1571: } elsif($env{'request.state'} ne 'construct') {
1572: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1573: } else {
1574: if (defined($Apache::inputtags::params{'maxtries'})) {
1575: $trial.="/".$Apache::inputtags::params{'maxtries'};
1576: }
1577: }
1578: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1579: }
1580: }
1581:
1582: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1583: #last submissions was after due date
1584: $latemessage=&mt(' The last submission was after the Due Date ');;
1585: if ($target eq 'web') {
1586: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1587: }
1588: }
1589: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1590: }
1591:
1592: sub gradestatus {
1593: my ($id,$target,$no_previous) = @_;
1594: my $showbutton = 1;
1595: my $message = '';
1596: my $latemessage = '';
1597: my $trystr='';
1598: my $button='';
1599: my $previousmsg='';
1600:
1601: my $status = $Apache::inputtags::status['-1'];
1602: &Apache::lonxml::debug("gradestatus has :$status:");
1603: if ( $status ne 'CLOSED'
1604: && $status ne 'UNAVAILABLE'
1605: && $status ne 'INVALID_ACCESS'
1606: && $status ne 'NEEDS_CHECKIN'
1607: && $status ne 'NOT_IN_A_SLOT'
1608: && $status ne 'RESERVABLE'
1609: && $status ne 'RESERVABLE_LATER'
1610: && $status ne 'NOTRESERVABLE') {
1611:
1612: if ($status eq 'SHOW_ANSWER') {
1613: $showbutton = 0;
1614: }
1615:
1616: ($previousmsg,$latemessage,$message,$trystr) =
1617: &get_grade_messages($id,"resource.$id",$target,$status,
1618: $showbutton);
1619: if ($status eq 'CANNOT_ANSWER') {
1620: $showbutton = 0;
1621: }
1622: if ( $status eq 'SHOW_ANSWER') {
1623: undef($previousmsg);
1624: }
1625: if ( $showbutton ) {
1626: if ($target ne 'tex') {
1627: $button =
1628: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1629: type="submit" name="submit_'.$id.'"
1630: value="'.&mt('Submit Answer').'" />';
1631: }
1632: }
1633:
1634: }
1635: my $output= $previousmsg.$latemessage.$message.$trystr;
1636: if ($output =~ /^\s*$/) {
1637: return $button;
1638: } else {
1639: if ($target eq 'tex') {
1640: return $button.' \vskip 0 mm '.$output.' ';
1641: } else {
1642: $output =
1643: '<table><tr><td>'.$button.'</td>'.$output;
1644: if (!$no_previous) {
1645: $output.='<td>'.&previous_tries($id,$target).'</td>';
1646: }
1647: $output.= '</tr></table>';
1648: return $output;
1649: }
1650: }
1651: }
1652:
1653: sub previous_tries {
1654: my ($id,$target) = @_;
1655: my $output;
1656: my $status = $Apache::inputtags::status['-1'];
1657:
1658: my $count;
1659: my %count_lookup;
1660: my $lastrndseed;
1661: my $numstamps = 0;
1662:
1663: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1664: my $prefix = $i.":resource.$id";
1665: my $is_anon;
1666: if (defined($env{'form.grade_symb'})) {
1667: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1668: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1669: $is_anon = 1;
1670: }
1671: }
1672: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1673: $count++;
1674: $count_lookup{$i} = $count;
1675: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1676: my ($previousmsg,$latemessage,$message,$trystr);
1677:
1678: ($previousmsg,$latemessage,$message,$trystr) =
1679: &get_grade_messages($id,"$prefix",$target,$status);
1680:
1681: if ($previousmsg ne '') {
1682: my ($match,$which) = &find_which_previous($i);
1683: $message=$previousmsg;
1684: my $previous = $count_lookup{$which};
1685: $message =~ s{(</td>)}{ as submission \# $previous $1};
1686: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1687: if (!(&Apache::lonhomework::hide_problem_status()
1688: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1689: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1690: ) {
1691:
1692: my $txt_correct = &mt('Correct');
1693: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1694: if ($awarded < 1 && $awarded > 0) {
1695: $txt_correct=&mt('Partially Correct');
1696: } elsif ($awarded < 1) {
1697: if ($awarded eq '') {
1698: $txt_correct='';
1699: } else {
1700: $txt_correct=&mt('Incorrect');
1701: }
1702: }
1703: $message =~ s{(<td.*?>)(.*?)(</td>)}
1704: {$1 <strong>$txt_correct</strong>. $3}s;
1705: }
1706: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1707: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1708: if ($curr_rndseed ne $lastrndseed) {
1709: $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>';
1710: }
1711: }
1712: $message =~ s{(</td>)}{ $trystr $1};
1713: }
1714: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1715: $message =~ s{(<td.*?>)}{<td>};
1716:
1717:
1718: $output .= '<tr class="'.$class.'">'.
1719: '<td align="center">'.$count.'</td>'.$message;
1720: if ((!$is_anon) && ($Apache::lonhomework::history{"$prefix.tries"}) &&
1721: ($Apache::lonhomework::history{"$prefix.award"} ne 'ASSIGNED_SCORE') &&
1722: ($Apache::lonhomework::history{$i.':timestamp'})) {
1723: $output .= '<td>'.&Apache::lonlocal::locallocaltime(
1724: $Apache::lonhomework::history{$i.':timestamp'}).'</td>';
1725: $numstamps ++;
1726: } else {
1727: $output .= '<td></td>';
1728: }
1729: foreach my $resid (@Apache::inputtags::response) {
1730: my $prefix = $prefix.".$resid";
1731: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1732: my $submission =
1733: $Apache::inputtags::submission_display{"$prefix.submission"};
1734: if (!defined($submission)) {
1735: $submission =
1736: $Apache::lonhomework::history{"$prefix.submission"};
1737: }
1738: if ($is_anon) {
1739: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1740: } else {
1741: $output.='<td>'.$submission.'</td>';
1742: }
1743: } else {
1744: $output.='<td></td>';
1745: }
1746: }
1747: $output.=&Apache::loncommon::end_data_table_row()."\n";
1748: $lastrndseed = $curr_rndseed;
1749: }
1750: return if ($output eq '');
1751: my $headers = '<tr>'.
1752: '<th>'.&mt('Submission #').'</th>'.
1753: '<th>'.&mt('Try').'</th><th>';
1754: if ($numstamps) {
1755: $headers .= &mt('When');
1756: }
1757: $headers .= '</th>';
1758: my $colspan = scalar(@Apache::inputtags::response);
1759: if ($colspan > 1) {
1760: $headers .= '<th colspan="'.$colspan.'">';
1761: } else {
1762: $headers .= '<th>';
1763: }
1764: $headers .= &mt('Submitted Answer').'</th></tr>';
1765: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1766:
1767: my $tries_text = &get_tries_text('link');
1768: my $prefix = $env{'form.request.prefix'};
1769: $prefix =~ tr{.}{_};
1770: my $function_name = "LONCAPA_previous_tries_".$prefix.
1771: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1772: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1773: return $result;
1774: }
1775:
1776: sub get_tries_text {
1777: my ($context) = @_;
1778: my $tries_text;
1779: if ($context eq 'link') {
1780: $tries_text = 'Previous Tries';
1781: } else {
1782: $tries_text = 'Tries';
1783: }
1784: if ( $Apache::lonhomework::type eq 'survey' ||
1785: $Apache::lonhomework::type eq 'surveycred' ||
1786: $Apache::lonhomework::type eq 'anonsurvey' ||
1787: $Apache::lonhomework::type eq 'anonsurveycred' ||
1788: $Apache::lonhomework::parsing_a_task) {
1789: if ($context eq 'link') {
1790: $tries_text = 'Previous Submissions';
1791: } else {
1792: $tries_text = 'Submissions';
1793: }
1794: }
1795: return $tries_text;
1796: }
1797:
1798: sub spelling_languages {
1799: my %langchoices;
1800: foreach my $id (&Apache::loncommon::languageids()) {
1801: my $code = &Apache::loncommon::supportedlanguagecode($id);
1802: if ($code ne '') {
1803: $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
1804: }
1805: }
1806: my @spelllangs = ('none');
1807: foreach my $code ('en','de','he','es','fr','pt','tr') {
1808: push(@spelllangs,[$code,$langchoices{$code}]);
1809: }
1810: return \@spelllangs;
1811: }
1812:
1813: 1;
1814: __END__
1815:
1816: =pod
1817:
1818: =back
1819:
1820: =cut
1821:
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