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[LON-CAPA] /
loncom /
homework /
inputtags.pm
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Fri Nov 28 18:23:04 2014 UTC (9 years, 6 months ago) by
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- Optionresponse in "checkbox" mode:
- Additional (optional) attributes: maxcheck and mincheck available to enforce
requirement on number of checkboxes which may be checked.
- Intended use case is polling with optionresponse used in survey mode,
and maximum number of selections voter may make is to be limited.
1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.328 2014/11/28 18:23:04 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: my $itemid = 'HWVAL_'.$partid.'_'.$resid;
239: if ($addchars) {
240: $result.=&addchars($tagident, $addchars);
241: }
242: my $textareaclass;
243: unless (&Apache::londefdef::is_inside_of($tagstack,
244: 'externalresponse')) {
245: $textareaclass = 'class="LC_richDetectHtml spellchecked"';
246: }
247: $result.= '<textarea wrap="hard" name="'.$tagident.'" id="'.$itemid.'" ' .
248: 'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass
249: .'>'.
250: &HTML::Entities::encode($oldresponse,'<>&"');
251: if ($oldresponse ne '') {
252:
253: #get rid of any startup text if the user has already responded
254: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
255: }
256: } else {
257: #show past answer in the essayresponse case
258: if ($oldresponse =~ /\S/
259: && &Apache::londefdef::is_inside_of($tagstack,
260: 'essayresponse') ) {
261: $result='<table class="LC_pastsubmission"><tr><td>'.
262: &HTML::Entities::encode($oldresponse,'"<>&').
263: '</td></tr></table>';
264: }
265: #get rid of any startup text
266: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
267: }
268: } elsif ($target eq 'grade') {
269: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
270: $style);
271: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
272: # if the seed text is still there it wasn't a real submission
273: $env{'form.HWVAL_'.$resid}='';
274: }
275: } elsif ($target eq 'edit') {
276: $result.=&Apache::edit::tag_start($target,$token);
277: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
278: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
279: $result.=&Apache::edit::text_arg
280: ('Click-On Texts (comma sep):','addchars',$token,10);
281: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
282: $style);
283: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
284: my $spell_langs = &spelling_languages();
285: $result .= &Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
286: $spell_langs, $token);
287: } elsif ($target eq 'modified') {
288: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
289: $safeeval,'rows','cols',
290: 'addchars', 'spellcheck');
291: if ($constructtag) {
292: $result = &Apache::edit::rebuild_tag($token);
293: } else {
294: $result=$token->[4];
295: }
296: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
297: } elsif ($target eq 'tex') {
298: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
299: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
300: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
301: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
302: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
303: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
304: } else {
305: if ($env{'form.pdfFormFields'} eq 'yes') {
306: my $fieldname = $env{'request.symb'}.
307: '&part_'. $Apache::inputtags::part.
308: '&textresponse'.
309: '&HWVAL_' . $Apache::inputtags::response['-1'];
310: $result.='\TextField[name='.$fieldname.',multiline=true,height=6\baselineskip,width=270,borderwidth=0,backgroundcolor={.85 .85 .85}]\\';
311: } else {
312: my $TeXwidth=$width_of_box/80;
313: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
314: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
315: $result.='}}}\vskip 2 mm ';
316: }
317: }
318: }
319: return $result;
320: }
321:
322: sub end_textfield {
323: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
324: my $result;
325: if ($target eq 'web') {
326: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
327: $Apache::lonxml::evaluate++;
328: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
329: my $partid=$Apache::inputtags::part;
330: my $resid = $Apache::inputtags::response[-1];
331: my $itemid = 'HWVAL_' . $partid . '_' . $resid;
332: my $result = "</textarea>";
333: $result .= &spellcheck_onblur($itemid, $spellcheck);
334: return $result;
335: }
336: } elsif ($target eq 'edit') {
337: $result=&Apache::edit::end_table();
338: }
339: &end_input;
340: return $result;
341: }
342:
343: sub exam_score_line {
344: my ($target) = @_;
345:
346: my $result;
347: if ($target eq 'tex') {
348: my $repetition = &Apache::response::repetition();
349: $result.='\begin{enumerate}';
350: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
351: foreach my $i (0..$repetition-1) {
352: $result.='\item[\textbf{'.
353: ($Apache::lonxml::counter+$i).
354: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
355: }
356: $result.= '\end{enumerate}';
357: }
358:
359: return $result;
360: }
361:
362: sub exam_box {
363: my ($target) = @_;
364: my $result;
365:
366: if ($target eq 'tex') {
367: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
368: $result .= &exam_score_line($target);
369: } elsif ($target eq 'web') {
370: my $id=$Apache::inputtags::response[-1];
371: $result.= '<br /><br />
372: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
373: </textarea> <br /><br />';
374: }
375: return $result;
376: }
377:
378: sub needs_exam_box {
379: my ($tagstack) = @_;
380: my @tags = ('formularesponse',
381: 'stringresponse',
382: 'reactionresponse',
383: 'organicresponse',
384: );
385:
386: foreach my $tag (@tags) {
387: if (grep(/\Q$tag\E/,@$tagstack)) {
388: return 1;
389: }
390: }
391: return 0;
392: }
393:
394: sub start_textline {
395: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
396: my $result = "";
397: my $input_id = &start_input($parstack,$safeeval);
398:
399: # The spellcheck attribute
400: # 1. enables spellchecking.
401: # 2. Provides the language code in which the spellchecking will be performed.
402:
403: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
404: if ($target eq 'web') {
405: $Apache::lonxml::evaluate--;
406: my $partid=$Apache::inputtags::part;
407: my $id=$Apache::inputtags::response[-1];
408: if (!&Apache::response::show_answer()) {
409: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
410: my $maxlength;
411: if ($size eq '') { $size=20; } else {
412: if ($size < 20) {
413: $maxlength = ' maxlength="'.$size.'"';
414: }
415: }
416: my ($oldresponse,$newvariation);
417: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
418: ($Apache::lonhomework::type eq 'randomizetry')) &&
419: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
420: if ($env{'form.'.$partid.'.rndseed'} ne
421: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
422: $newvariation = 1;
423: }
424: }
425: unless ($newvariation) {
426: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
427: (($env{'form.grade_username'} eq $env{'user.name'}) &&
428: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
429: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
430: } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') ||
431: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred') ||
432: ($Apache::lonhomework::type eq 'anonsurvey') ||
433: ($Apache::lonhomework::type eq 'anonsurveycred')) {
434: $oldresponse = '* '.&mt('(only shown to submitter)').' *';
435: } else {
436: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
437: }
438: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
439: if (ref($oldresponse) eq 'ARRAY') {
440: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
441: }
442: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
443: $oldresponse =~ s/^\s+//;
444: $oldresponse =~ s/\s+$//;
445: $oldresponse =~ s/\s+/ /g;
446: }
447: if ($Apache::lonhomework::type ne 'exam') {
448: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
449: $result='';
450: if ($addchars) {
451: $result.=&addchars('HWVAL_'.$id,$addchars);
452: }
453: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
454: $safeeval);
455: if (lc($readonly) eq 'yes'
456: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
457: $readonly=' readonly="readonly" ';
458: } else {
459: $readonly='';
460: }
461: my $name = 'HWVAL_'.$id;
462: my $itemid = 'HWVAL_'.$partid.'_'.$id;
463: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
464: $name = "none";
465: }
466: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
467: . ' type="text" '
468: . $readonly.' name="'. $name . '"'
469: . ' id="' . $itemid . '"'
470: . ' value="'. $oldresponse.'"'
471: . ' class="LC_textline spellchecked" size="'.$size.'"'.$maxlength
472: . ' autocomplete="off" />';
473:
474: $result .= &spellcheck_onblur($itemid, $spellcheck);
475: }
476: if ($Apache::lonhomework::type eq 'exam'
477: && &needs_exam_box($tagstack)) {
478: $result.=&exam_box($target);
479: }
480: } else {
481: #right or wrong don't show what was last typed in.
482: my $count = scalar(@Apache::inputtags::inputlist)-1;
483: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
484: #$result='';
485: }
486: } elsif ($target eq 'edit') {
487: $result=&Apache::edit::tag_start($target,$token);
488: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
489: &Apache::edit::text_arg('Click-On Texts (comma sep):',
490: 'addchars',$token,10);
491: $result.=&Apache::edit::select_arg('Readonly:','readonly',
492: ['no','yes'],$token);
493: my $spell_langs = &spelling_languages();
494: $result.=&Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
495: $spell_langs, $token);
496: $result.=&Apache::edit::end_row();
497: $result.=&Apache::edit::end_table();
498: } elsif ($target eq 'modified') {
499: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
500: $safeeval,'size',
501: 'addchars','readonly', 'spellcheck');
502: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
503: } elsif ($target eq 'tex'
504: && $Apache::lonhomework::type ne 'exam') {
505: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
506: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
507: if ($env{'form.pdfFormFields'} eq 'yes'
508: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
509: my $fieldname = $env{'request.symb'}.
510: '&part_'. $Apache::inputtags::part.
511: '&textresponse'.
512: '&HWVAL_' . $Apache::inputtags::response['-1'];
513: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
514: } else {
515: $result='\framebox['.$size.'][s]{\tiny\strut}';
516: }
517: } elsif ($target eq 'tex'
518: && $Apache::lonhomework::type eq 'exam'
519: && &needs_exam_box($tagstack)) {
520: $result.=&exam_box($target);
521: }
522: return $result;
523: }
524:
525: sub end_textline {
526: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
527: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
528: elsif ($target eq 'edit') { return ('','no'); }
529: &end_input();
530: return "";
531: }
532:
533: sub start_hiddenline {
534: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
535: my $result = "";
536: my $input_id = &start_input($parstack,$safeeval);
537: if ($target eq 'web') {
538: $Apache::lonxml::evaluate--;
539: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
540: my $partid=$Apache::inputtags::part;
541: my $id=$Apache::inputtags::response[-1];
542: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
543: if (ref($oldresponse) eq 'ARRAY') {
544: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
545: }
546: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
547:
548: if ($Apache::lonhomework::type ne 'exam') {
549: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
550: $oldresponse.'" />';
551: }
552: }
553: } elsif ($target eq 'edit') {
554: $result=&Apache::edit::tag_start($target,$token);
555: $result.=&Apache::edit::end_table;
556: }
557:
558: if ( ($target eq 'web' || $target eq 'tex')
559: && $Apache::lonhomework::type eq 'exam'
560: && &needs_exam_box($tagstack)) {
561: $result.=&exam_box($target);
562: }
563: return $result;
564: }
565:
566: sub end_hiddenline {
567: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
568: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
569: elsif ($target eq 'edit') { return ('','no'); }
570: &end_input();
571: return "";
572: }
573:
574:
575: sub start_hiddensubmission {
576: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
577: my $result = "";
578: my $input_id = &start_input($parstack,$safeeval);
579: if ($target eq 'web') {
580: $Apache::lonxml::evaluate--;
581: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
582: my $partid=$Apache::inputtags::part;
583: my $id=$Apache::inputtags::response[-1];
584: if ($Apache::lonhomework::type ne 'exam') {
585: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
586: $value = &HTML::Entities::encode($value,'<>&"');
587: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
588: }
589: }
590: } elsif ($target eq 'edit') {
591: $result=&Apache::edit::tag_start($target,$token);
592: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
593: $result.=&Apache::edit::end_row();
594: $result.=&Apache::edit::end_table();
595: } elsif ($target eq 'modified') {
596: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
597: $safeeval,'value');
598: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
599: }
600:
601: if ( ($target eq 'web' || $target eq 'tex')
602: && $Apache::lonhomework::type eq 'exam'
603: && &needs_exam_box($tagstack)) {
604: $result.=&exam_box($target);
605: }
606: return $result;
607: }
608:
609: sub end_hiddensubmission {
610: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
611: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
612: elsif ($target eq 'edit') { return ('','no'); }
613: &end_input();
614: return "";
615: }
616:
617: =pod
618:
619: =item file_selector()
620:
621: $part -> partid
622: $id -> responseid
623: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
624: $which -> 'uploadonly' -> only newly uploaded files
625: 'portfolioonly' -> only allow files from portfolio
626: 'both' -> allow files from either location
627: $extratext -> additional text to go between the link and the input box
628: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
629: returns a table row <tr>
630:
631: =cut
632:
633: sub file_selector {
634: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
635: if (!$uploadedfiletypes) { return ''; }
636:
637: my $jspart=$part;
638: $jspart=~s/\./_/g;
639:
640: my $result;
641: my $current_files_display = ¤t_file_submissions($part,$id);
642: my $addfiles;
643: if ($current_files_display) {
644: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
645: $current_files_display.
646: &Apache::lonhtmlcommon::row_closure();
647: $addfiles = &mt('Submit other file(s)');
648: } else {
649: $addfiles = &mt('Choose file(s) to submit');
650: }
651: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
652: my $constraints;
653: if ($uploadedfiletypes ne '*') {
654: $constraints =
655: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
656: }
657: if ($maxfilesize) {
658: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB.',
659: '<b>'.$maxfilesize.'</b>').'<br />';
660: }
661: if ($constraints) {
662: $result .= $constraints.'<br />';
663: }
664: if ($which eq 'uploadonly' || $which eq 'both') {
665: $result.=&mt('Submit a file: (only one file per submission)').
666: ' <br /><input type="file" size="50" name="HWFILE'.
667: $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
668: }
669: if ( $which eq 'both') {
670: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
671: }
672: if ($which eq 'portfolioonly' || $which eq 'both') {
673: my $symb = $env{'request.symb'};
674: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
675: my $showsymb;
676: # If resource is a .task and URL is unencrypted, include symb in query string
677: # for url opened in portfolio file selection window. Can be used to override
678: # blocking of portfolio access resulting from an exam event in a different course.
679: if ($res =~ /\.task$/i) {
680: my $encsymb = &Apache::lonenc::check_encrypt($symb);
681: if ($symb eq $encsymb) {
682: $showsymb = $symb;
683: }
684: }
685: $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"))'."'".'>'.
686: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
687: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
688: '<br />';
689:
690: }
691: $result.=&Apache::lonhtmlcommon::row_closure(1);
692: return $result;
693: }
694:
695: sub current_file_submissions {
696: my ($part,$id) = @_;
697: my $jspart=$part;
698: $jspart=~s/\./_/g;
699: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
700: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
701: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
702: my $header = &portpath_popup_js().
703: &Apache::loncommon::start_data_table().
704: &Apache::loncommon::start_data_table_header_row();
705: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
706: $header .= '<th>'.&mt('Delete?').'</th>';
707: }
708: $header .= '<th>'.&mt('File').'</th>'.
709: '<th>'.&mt('Size (MB)').'</th>'.
710: '<th>'.&mt('Last Modified').'</th>'.
711: &Apache::loncommon::end_data_table_header_row();
712: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
713: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
714: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
715: if ($uploadedfile) {
716: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
717: my $link = &HTML::Entities::encode($url,'<>&"');
718: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
719: my ($status,$hashref,$error) =
720: ¤t_file_info($url,$link,$name,$path);
721: if ($status eq 'ok') {
722: push(@{$okfiles{$name}},$url);
723: $rows{$url} = $hashref;
724: $legacy{$url} = 1;
725: &Apache::lonxml::extlink($url);
726: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
727: } else {
728: push(@bad_file_list,$error);
729: }
730: }
731: if ($portfiles =~ /[^\s]/) {
732: my $prefix = "/uploaded/$udom/$uname/portfolio";
733: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
734: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
735: my $url = $prefix.$path.$name;
736: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
737: my ($status,$hashref,$error) =
738: ¤t_file_info($url,$uploadedfile,$name,$path);
739: if ($status eq 'ok') {
740: push(@{$okfiles{$name}},$url);
741: $rows{$url} = $hashref;
742: } else {
743: push(@bad_file_list,$error);
744: }
745: }
746: }
747: my $num = 0;
748: foreach my $name (sort(keys(%okfiles))) {
749: if (ref($okfiles{$name}) eq 'ARRAY') {
750: foreach my $url (@{$okfiles{$name}}) {
751: if (ref($rows{$url}) eq 'HASH') {
752: my $link = $rows{$url}{link};
753: my $portfile = $rows{$url}{path}.$rows{$url}{name};
754: $portfile = &HTML::Entities::encode($portfile,'<>&"');
755: if ($link) {
756: my $icon=&Apache::loncommon::icon($url);
757: unless ($header_shown) {
758: $result .= $header;
759: $header_shown = 1;
760: }
761: $result.=
762: &Apache::loncommon::start_data_table_row()."\n";
763: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
764: $result .=
765: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
766: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
767: $num ++;
768: }
769: my $pathid = 'HWFILE'.$jspart.'_'.$id.'_'.$num.'_path';
770: my $pathidtext = $pathid.'text';
771: my ($showname,$showpath);
772: if ($legacy{$url}) {
773: $showname = $name.' '.&mt('not in portfolio');
774: } else {
775: $showname = $name;
776: $showpath = '<br />'.
777: '<span id="'.$pathidtext.'" class="LC_cusr_subheading">'.
778: '<a href="javascript:showPortPath('."'$pathid','$pathidtext'".');" '.
779: 'class="LC_menubuttons_link">'.
780: &mt('(Show path)').'</a></span>'.
781: '<div id="'.$pathid.'" class="LC_dccid">'.$rows{$url}{path}.$name.
782: '</div>';
783: }
784: $result .=
785: '<td><a href="'.$link.'"><img src="'.$icon.
786: '" border="0" alt="" />'.$showname.'</a>'.$showpath.'</td>'."\n".
787: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
788: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
789: &Apache::loncommon::end_data_table_row();
790: }
791: }
792: }
793: }
794: }
795: if ($header_shown) {
796: $result .= &Apache::loncommon::end_data_table();
797: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
798: $result .= '<br /><span class="LC_warning">'.
799: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
800: }
801: }
802: if (@bad_file_list) {
803: my $bad_files = '<span class="LC_filename">'.
804: join('</span>, <span class="LC_filename">',@bad_file_list).
805: '</span>';
806: $result.='<p class="LC_error">'.
807: &mt("These file(s) don't exist: [_1]",$bad_files).
808: '</p>';
809: }
810: return $result;
811: }
812:
813: sub current_file_info {
814: my ($url,$uploadedfile,$name,$path) = @_;
815: my ($status,$error,%info);
816: my @stat = &Apache::lonnet::stat_file($url);
817: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
818: my ($lastmod,$size);
819: if ($stat[9] =~ /^\d+$/) {
820: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
821: }
822: $size = $stat[7]/(1024*1024);
823: $size = sprintf("%.3f",$size);
824: %info = (
825: link => $uploadedfile,
826: name => $name,
827: path => $path,
828: size => $size,
829: lastmodified => $lastmod,
830: );
831: $status = 'ok';
832: } else {
833: &Apache::lonnet::logthis("bad file is $url");
834: my $icon=&Apache::loncommon::icon($url);
835: $error = '<a href="'.$url.'"><img src="'.$icon.
836: '" border="0" />'.$uploadedfile.'</a>';
837: }
838: return ($status,\%info,$error);
839: }
840:
841: sub portpath_popup_js {
842: my %lt = &Apache::lonlocal::texthash(
843: show => '(Show path)',
844: hide => '(Hide)',
845: );
846: return <<"END";
847: <script type="text/javascript">
848: // <![CDATA[
849:
850: function showPortPath(id,idtext) {
851: document.getElementById(id).style.display='block';
852: document.getElementById(id).style.textAlign='left';
853: document.getElementById(id).style.textFace='normal';
854: if (document.getElementById(idtext)) {
855: document.getElementById(idtext).innerHTML ='<a href="javascript:hidePortPath(\\''+id+'\\',\\''+idtext+'\\'); '+
856: '"class="LC_menubuttons_link">$lt{'hide'}</a> ';
857: }
858: return;
859: }
860:
861: function hidePortPath(id,idtext) {
862: if (document.getElementById(id)) {
863: document.getElementById(id).style.display='none';
864: }
865: if (document.getElementById(idtext)) {
866: document.getElementById(idtext).innerHTML ='<a href="javascript:showPortPath(\\''+id+'\\',\\''+idtext+'\\');" '+
867: 'class="LC_menubuttons_link">$lt{'show'}</a>';
868: }
869: return;
870: }
871:
872: // ]]>
873: </script>
874:
875: END
876: }
877:
878: sub valid_award {
879: my ($award) =@_;
880: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
881: 'NO_RESPONSE','WRONG_NUMBOXESCHECKED',
882: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
883: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
884: 'UNIT_FAIL', 'NO_UNIT',
885: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
886: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
887: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
888: 'MISORDERED_RANK', 'INVALID_FILETYPE',
889: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
890: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
891: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
892: 'ASSIGNED_SCORE', 'APPROX_ANS',
893: 'EXACT_ANS','COMMA_FAIL') {
894: if ($award eq $possibleaward) { return 1; }
895: }
896: return 0;
897: }
898:
899: {
900: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
901: 'WRONG_NUMCHECKEDBOXES','TOO_LONG',
902: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
903: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
904: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
905: 'WRONG_FORMAT', 'INTERNAL_ERROR',
906: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
907: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
908: 'DRAFT', 'SUBMITTED',
909: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
910: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
911: my $i=0;
912: my %fwd_awards = map { ($_,$i++) } @awards;
913: my $max=scalar(@awards);
914: @awards=reverse(@awards);
915: $i=0;
916: my %rev_awards = map { ($_,$i++) } @awards;
917:
918: sub awarddetail_to_awarded {
919: my ($awarddetail) = @_;
920: if ($awarddetail eq 'EXACT_ANS'
921: || $awarddetail eq 'APPROX_ANS') {
922: return 1;
923: }
924: return 0;
925: }
926:
927: sub hide_award {
928: my ($award) = @_;
929: if (&Apache::lonhomework::show_no_problem_status()) {
930: return 1;
931: }
932: if ($award =~
933: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
934: return 1;
935: }
936: return 0;
937: }
938:
939: sub finalizeawards {
940: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
941: my $result;
942: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
943: if ($result eq '' ) {
944: my $blankcount;
945: foreach my $award (@$awardref) {
946: if ($award eq '') {
947: $result='MISSING_ANSWER';
948: $blankcount++;
949: }
950: }
951: if ($blankcount == ($#$awardref + 1)) {
952: return ('NO_RESPONSE');
953: }
954: }
955:
956: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
957:
958: if (!$final_scantron && defined($result)) { return ($result); }
959:
960: # if in scantron mode, if the award for any response is
961: # assigned score, then the part gets an assigned score
962: if ($final_scantron
963: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
964: return ('ASSIGNED_SCORE');
965: }
966:
967: # if in scantron mode, if the award for any response is
968: # correct and there are non-correct responses,
969: # then the part gets an assigned score
970: if ($final_scantron
971: && (grep { $_ eq 'EXACT_ANS' ||
972: $_ eq 'APPROX_ANS' } (@$awardref))
973: && (grep { $_ ne 'EXACT_ANS' &&
974: $_ ne 'APPROX_ANS' } (@$awardref))) {
975: return ('ASSIGNED_SCORE');
976: }
977: # these awards are ordered from most important error through best correct
978: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
979:
980: my $best = $max;
981: my $j=0;
982: my $which;
983: foreach my $award (@$awardref) {
984: if ($awards->{$award} < $best) {
985: $best = $awards->{$award};
986: $which = $j;
987: }
988: $j++;
989: }
990:
991: if (defined($which)) {
992: if (ref($nameref)) {
993: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
994: } else {
995: return ($$awardref[$which],$$msgref[$which]);
996: }
997: }
998: return ('ERROR',undef);
999: }
1000: }
1001:
1002: sub decideoutput {
1003: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect,$tdclass)=@_;
1004:
1005: my $message='';
1006: my $button=0;
1007: my $previousmsg;
1008: my $css_class='orange';
1009: my $added_computer_text=0;
1010: my %possible_class =
1011: ( 'correct' => 'LC_answer_correct',
1012: 'charged_try' => 'LC_answer_charged_try',
1013: 'not_charged_try' => 'LC_answer_not_charged_try',
1014: 'no_grade' => 'LC_answer_no_grade',
1015: 'no_message' => 'LC_no_message',
1016: );
1017:
1018: my $part = $Apache::inputtags::part;
1019: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
1020: my $handgrade = ('yes' eq lc($tohandgrade));
1021: #
1022: # Should "Computer's Answer" be displayed?
1023: # Should not be displayed if still answerable,
1024: # if the problem is handgraded,
1025: # or if the problem does not give a correct answer
1026: #
1027:
1028: my $computer = ($handgrade || $nocorrect)? ''
1029: : " ".&mt("Computer's answer now shown above.");
1030: &Apache::lonxml::debug("handgrade has :$handgrade:");
1031:
1032: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
1033:
1034: if ($solved =~ /^correct/) {
1035: $css_class=$possible_class{'correct'};
1036: $message=&mt('You are correct.');
1037: if ($awarded < 1 && $awarded > 0) {
1038: $message=&mt('You are partially correct.');
1039: $css_class=$possible_class{'not_charged_try'};
1040: } elsif ($awarded < 1) {
1041: $message=&mt('Incorrect.');
1042: $css_class=$possible_class{'charged_try'};
1043: }
1044: if ($handgrade ||
1045: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
1046: $message = &mt("A score has been assigned.");
1047: $added_computer_text=1;
1048: } else {
1049: if ($target eq 'tex') {
1050: $message = '\textbf{'.$message.'}';
1051: } else {
1052: $message = "<b>".$message."</b>";
1053: $message.= $computer;
1054: }
1055: $added_computer_text=1;
1056: if ($awarded > 0) {
1057: my ($symb) = &Apache::lonnet::whichuser();
1058: if (($symb ne '')
1059: &&
1060: ($env{'course.'.$env{'request.course.id'}.
1061: '.disable_receipt_display'} ne 'yes') &&
1062: ($Apache::lonhomework::type ne 'practice')) {
1063: $message.=(($target eq 'web')?'<br />':' ').
1064: &mt('Your receipt no. is [_1]',
1065: (&Apache::lonnet::receipt($Apache::inputtags::part).
1066: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1067: }
1068: }
1069: }
1070: if ($awarded >= 1) {
1071: $button=0;
1072: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
1073: $button=0;
1074: } else {
1075: $button=1;
1076: }
1077: $previousmsg='';
1078: } elsif ($solved =~ /^excused/) {
1079: if ($target eq 'tex') {
1080: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
1081: } else {
1082: $message = "<b>".&mt('You are excused from the problem.')."</b>";
1083: }
1084: $css_class=$possible_class{'charged_try'};
1085: $button=0;
1086: $previousmsg='';
1087: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1088: if ($solved =~ /^incorrect/ || $solved eq '') {
1089: $message = &mt("Incorrect").".";
1090: $css_class=$possible_class{'charged_try'};
1091: $button=1;
1092: } else {
1093: if ($target eq 'tex') {
1094: $message = '\textbf{'.&mt('You are correct.').'}';
1095: } else {
1096: $message = "<b>".&mt('You are correct.')."</b>";
1097: $message.= $computer;
1098: }
1099: $added_computer_text=1;
1100: if ($awarded > 0
1101: && $env{'course.'.
1102: $env{'request.course.id'}.
1103: '.disable_receipt_display'} ne 'yes') {
1104: $message.=(($target eq 'web')?'<br />':' ').
1105: &mt('Your receipt is [_1]',
1106: (&Apache::lonnet::receipt($Apache::inputtags::part).
1107: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1108: }
1109: $css_class=$possible_class{'correct'};
1110: $button=0;
1111: $previousmsg='';
1112: }
1113: } elsif ($award eq 'NO_RESPONSE') {
1114: $message = '';
1115: $css_class=$possible_class{'no_feedback'};
1116: $button=1;
1117: } elsif ($award eq 'EXTRA_ANSWER') {
1118: $message = &mt('Some extra items were submitted.');
1119: $css_class=$possible_class{'not_charged_try'};
1120: $button = 1;
1121: } elsif ($award eq 'MISSING_ANSWER') {
1122: $message = &mt('Some items were not submitted.');
1123: if ($target ne 'tex') {
1124: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1125: }
1126: $css_class=$possible_class{'not_charged_try'};
1127: $button = 1;
1128: } elsif ($award eq 'WRONG_NUMBOXESCHECKED') {
1129: $message = &mt('Number of boxes checked outside permissible range (either too few or too many).');
1130: if ($target ne 'tex') {
1131: $message .= &Apache::loncommon::help_open_topic('Wrong_Num_Boxes_Checked');
1132: }
1133: $css_class=$possible_class{'not_charged_try'};
1134: $button = 1;
1135: } elsif ($award eq 'ERROR') {
1136: $message = &mt('An error occurred while grading your answer.');
1137: $css_class=$possible_class{'not_charged_try'};
1138: $button = 1;
1139: } elsif ($award eq 'TOO_LONG') {
1140: $message = &mt("The submitted answer was too long.");
1141: $css_class=$possible_class{'not_charged_try'};
1142: $button=1;
1143: } elsif ($award eq 'WANTED_NUMERIC') {
1144: $message = &mt("This question expects a numeric answer.");
1145: $css_class=$possible_class{'not_charged_try'};
1146: $button=1;
1147: } elsif ($award eq 'MISORDERED_RANK') {
1148: $message = &mt('You have provided an invalid ranking.');
1149: if ($target ne 'tex') {
1150: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1151: }
1152: $css_class=$possible_class{'not_charged_try'};
1153: $button=1;
1154: } elsif ($award eq 'EXCESS_FILESIZE') {
1155: $message = &mt("Submission won't be graded. The combined size of submitted files exceeded the amount allowed.");
1156: $css_class=$possible_class{'not_charged_try'};
1157: $button=1;
1158: } elsif ($award eq 'FILENAME_INUSE') {
1159: $message = &mt('You have already uploaded a file with that filename.');
1160: if ($target eq 'tex') {
1161: $message.= "\\\\\n";
1162: } else {
1163: $message .= '<br />';
1164: }
1165: $message .= &mt('Please use a different filename.');
1166: $css_class=$possible_class{'not_charged_try'};
1167: $button=1;
1168: } elsif ($award eq 'INVALID_FILETYPE') {
1169: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1170: $css_class=$possible_class{'not_charged_try'};
1171: $button=1;
1172: } elsif ($award eq 'SIG_FAIL') {
1173: my ($used,$min,$max)=split(':',$awardmsg);
1174: my $word = ($used < $min) ? 'more' : 'fewer';
1175: $message = &mt("Submission not graded. Use $word digits.",$used);
1176: $css_class=$possible_class{'not_charged_try'};
1177: $button=1;
1178: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1179: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1180: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1181: $css_class=$possible_class{'not_charged_try'};
1182: $button=1;
1183: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1184: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1185: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1186: $css_class=$possible_class{'not_charged_try'};
1187: $button=1;
1188: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1189: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1190: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1191: $css_class=$possible_class{'not_charged_try'};
1192: $button=1;
1193: } elsif ($award eq 'UNIT_NOTNEEDED') {
1194: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1195: $css_class=$possible_class{'not_charged_try'};
1196: $button=1;
1197: } elsif ($award eq 'NO_UNIT') {
1198: $message = &mt("Units required").'.';
1199: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1200: $css_class=$possible_class{'not_charged_try'};
1201: $button=1;
1202: } elsif ($award eq 'COMMA_FAIL') {
1203: $message = &mt("Proper comma separation is required").'.';
1204: $css_class=$possible_class{'not_charged_try'};
1205: $button=1;
1206: } elsif ($award eq 'BAD_FORMULA') {
1207: $message = &mt("Unable to understand formula").'.';
1208: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1209: $css_class=$possible_class{'not_charged_try'};
1210: $button=1;
1211: } elsif ($award eq 'NOT_FUNCTION') {
1212: $message = &mt("Not a function").'.';
1213: $css_class=$possible_class{'not_charged_try'};
1214: $button=1;
1215: } elsif ($award eq 'WRONG_FORMAT') {
1216: $message = &mt("Wrong format").'.';
1217: $css_class=$possible_class{'not_charged_try'};
1218: $button=1;
1219: } elsif ($award eq 'INTERNAL_ERROR') {
1220: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1221: $css_class=$possible_class{'not_charged_try'};
1222: $button=1;
1223: } elsif ($award eq 'INCORRECT') {
1224: $message = &mt("Incorrect").'.';
1225: $css_class=$possible_class{'charged_try'};
1226: $button=1;
1227: } elsif ($award eq 'SUBMITTED') {
1228: $message = &mt("Your submission has been recorded.");
1229: $css_class=$possible_class{'no_grade'};
1230: $button=1;
1231: } elsif ($award eq 'SUBMITTED_CREDIT') {
1232: $message = &mt("Your submission has been recorded, and credit awarded.");
1233: $css_class=$possible_class{'correct'};
1234: $button=1;
1235: } elsif ($award eq 'ANONYMOUS') {
1236: $message = &mt("Your anonymous submission has been recorded.");
1237: $css_class=$possible_class{'no_grade'};
1238: $button=1;
1239: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1240: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1241: $css_class=$possible_class{'correct'};
1242: $button=1;
1243: } elsif ($award eq 'DRAFT') {
1244: $message = &mt("Copy saved but not submitted.");
1245: $css_class=$possible_class{'not_charged_try'};
1246: $button=1;
1247: } elsif ($award eq 'ASSIGNED_SCORE') {
1248: $message = &mt("A score has been assigned.");
1249: $css_class=$possible_class{'correct'};
1250: $button=0;
1251: } elsif ($award eq '') {
1252: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1253: $message = &mt("Nothing submitted.");
1254: $css_class=$possible_class{'charged_try'};
1255: } else {
1256: $css_class=$possible_class{'not_charged_try'};
1257: }
1258: $button=1;
1259: } else {
1260: $message = &mt("Unknown message").": $award";
1261: $button=1;
1262: }
1263: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1264: foreach my $resid(@Apache::inputtags::response){
1265: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1266: if ($target eq 'tex') {
1267: $message.= "\\\\\n";
1268: } else {
1269: $message.='<br />';
1270: }
1271: my @files = split(/\s*,\s*/,
1272: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1273: my $file_msg;
1274: foreach my $file (@files) {
1275: if ($target eq 'tex') {
1276: $file_msg.= "\\\\\n".$file;
1277: } else {
1278: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1279: }
1280: }
1281: $message .= &mt('Returned file(s): [_1]',$file_msg);
1282: if ($target eq 'tex') {
1283: $message.= "\\\\\n";
1284: } else {
1285: $message.='<br />';
1286: }
1287: }
1288: }
1289:
1290: if (&Apache::lonhomework::hide_problem_status()
1291: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1292: && &hide_award($award)) {
1293: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1294: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1295: if ($interval[0] =~ /\d+/) {
1296: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1297: if (defined($first_access)) {
1298: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1299: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1300: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1301: }
1302: }
1303: }
1304: $css_class=$possible_class{'no_grade'};
1305: $button=1;
1306: }
1307: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1308: !$added_computer_text && $target ne 'tex') {
1309: $message.= $computer;
1310: $added_computer_text=1;
1311: }
1312: if ($Apache::lonhomework::type eq 'practice') {
1313: if ($target eq 'web') {
1314: $message .= '<br />';
1315: } else {
1316: $message .= ' ';
1317: }
1318: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1319: }
1320: return ($button,$css_class,$message,$previousmsg);
1321: }
1322:
1323: sub markup_unit {
1324: my ($unit,$target)=@_;
1325: if ($target eq 'tex') {
1326: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1327: } else {
1328: return "<tt>".$unit."</tt>";
1329: }
1330: }
1331:
1332: sub removealldata {
1333: my ($id)=@_;
1334: foreach my $key (keys(%Apache::lonhomework::results)) {
1335: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1336: &Apache::lonxml::debug("Removing $key");
1337: delete($Apache::lonhomework::results{$key});
1338: }
1339: }
1340: }
1341:
1342: sub hidealldata {
1343: my ($id)=@_;
1344: foreach my $key (keys(%Apache::lonhomework::results)) {
1345: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1346: &Apache::lonxml::debug("Hidding $key");
1347: my $newkey=$key;
1348: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1349: $Apache::lonhomework::results{$newkey}=
1350: $Apache::lonhomework::results{$key};
1351: delete($Apache::lonhomework::results{$key});
1352: }
1353: }
1354: }
1355:
1356: sub setgradedata {
1357: my ($award,$msg,$id,$previously_used) = @_;
1358: if ($Apache::lonhomework::scantronmode &&
1359: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1360: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1361: } elsif ($Apache::lonhomework::scantronmode &&
1362: $env{'form.CODE'} eq '' &&
1363: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1364: $Apache::lonhomework::results{"resource.CODE"}='';
1365: }
1366:
1367: if (!$Apache::lonhomework::scantronmode &&
1368: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1369: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1370: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1371: return '';
1372: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1373: || $Apache::lonhomework::scantronmode
1374: || &Apache::lonhomework::hide_problem_status() ) {
1375: # the student doesn't already have it correct,
1376: # or we are in a mode (scantron orno problem status) where a correct
1377: # can become incorrect
1378: # handle assignment of tries and solved status
1379: my $solvemsg;
1380: if ($Apache::lonhomework::scantronmode) {
1381: $solvemsg='correct_by_scantron';
1382: } else {
1383: $solvemsg='correct_by_student';
1384: }
1385: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1386: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1387: }
1388: if ( $award eq 'ASSIGNED_SCORE') {
1389: $Apache::lonhomework::results{"resource.$id.tries"} =
1390: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1391: $Apache::lonhomework::results{"resource.$id.solved"} =
1392: $solvemsg;
1393: my $numawards=scalar(@Apache::inputtags::response);
1394: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1395: foreach my $res (@Apache::inputtags::response) {
1396: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1397: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1398: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1399: } else {
1400: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1401: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1402: }
1403: }
1404: if ($numawards > 0) {
1405: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1406: $numawards;
1407: }
1408: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1409: $Apache::lonhomework::results{"resource.$id.tries"} =
1410: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1411: $Apache::lonhomework::results{"resource.$id.solved"} =
1412: $solvemsg;
1413: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1414: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1415: $Apache::lonhomework::results{"resource.$id.tries"} =
1416: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1417: $Apache::lonhomework::results{"resource.$id.solved"} =
1418: 'credit_attempted';
1419: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1420: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1421: $Apache::lonhomework::results{"resource.$id.tries"} =
1422: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1423: $Apache::lonhomework::results{"resource.$id.solved"} =
1424: 'credit_attempted';
1425: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1426: } elsif ( $award eq 'INCORRECT' ) {
1427: $Apache::lonhomework::results{"resource.$id.tries"} =
1428: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1429: if (&Apache::lonhomework::hide_problem_status()
1430: || $Apache::lonhomework::scantronmode) {
1431: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1432: }
1433: $Apache::lonhomework::results{"resource.$id.solved"} =
1434: 'incorrect_attempted';
1435: } elsif ( $award eq 'SUBMITTED' ) {
1436: $Apache::lonhomework::results{"resource.$id.tries"} =
1437: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1438: $Apache::lonhomework::results{"resource.$id.solved"} =
1439: 'ungraded_attempted';
1440: } elsif ( $award eq 'ANONYMOUS' ) {
1441: $Apache::lonhomework::results{"resource.$id.tries"} =
1442: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1443: $Apache::lonhomework::results{"resource.$id.solved"} =
1444: 'ungraded_attempted';
1445: } elsif ( $award eq 'DRAFT' ) {
1446: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1447: } elsif ( $award eq 'NO_RESPONSE' ) {
1448: #no real response so delete any data that got stored
1449: &removealldata($id);
1450: return '';
1451: } else {
1452: $Apache::lonhomework::results{"resource.$id.solved"} =
1453: 'incorrect_attempted';
1454: if (&Apache::lonhomework::show_no_problem_status()
1455: || $Apache::lonhomework::scantronmode) {
1456: $Apache::lonhomework::results{"resource.$id.tries"} =
1457: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1458: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1459: }
1460:
1461: if (&Apache::lonhomework::show_some_problem_status()) {
1462: # clear out the awarded if they had gotten it wrong/right
1463: # and are now in an error mode
1464: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1465: }
1466: }
1467: if (defined($msg)) {
1468: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1469: }
1470: # did either of the overall awards chage? If so ignore the
1471: # previous check
1472: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1473: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1474: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1475: $Apache::lonhomework::history{"resource.$id.solved"})) {
1476: # check if this was a previous submission if it was delete the
1477: # unneeded data and update the previously_used attribute
1478: if ( $previously_used eq 'PREVIOUSLY_USED') {
1479: if (&Apache::lonhomework::show_problem_status()) {
1480: delete($Apache::lonhomework::results{"resource.$id.tries"});
1481: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1482: }
1483: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1484: #delete all data as they student didn't do anything, but save
1485: #the list of collaborators.
1486: &removealldata($id);
1487: #and since they didn't do anything we were never here
1488: return '';
1489: } else {
1490: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1491: }
1492: }
1493: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1494: #delete all data as they student already has it correct
1495: &removealldata($id);
1496: #and since they didn't do anything we were never here
1497: return '';
1498: }
1499: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1500: if ($award eq 'SUBMITTED') {
1501: &Apache::response::add_to_gradingqueue();
1502: }
1503: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1504: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1505: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1506: $Apache::lonhomework::results{"resourse.$id.version"} = &Apache::lonnet::usedversion();
1507: }
1508:
1509: sub find_which_previous {
1510: my ($version) = @_;
1511: my $part = $Apache::inputtags::part;
1512: my (@previous_version);
1513: foreach my $resp (@Apache::inputtags::response) {
1514: my $key = "$version:resource.$part.$resp.submission";
1515: my $submission = $Apache::lonhomework::history{$key};
1516: my %previous = &Apache::response::check_for_previous($submission,
1517: $part,$resp,
1518: $version);
1519: push(@previous_version,$previous{'version'});
1520: }
1521: return &previous_match(\@previous_version,
1522: scalar(@Apache::inputtags::response));
1523: }
1524:
1525: sub previous_match {
1526: my ($previous_array,$count) = @_;
1527: my $match = 0;
1528: my @matches;
1529: foreach my $versionar (@$previous_array) {
1530: foreach my $version (@$versionar) {
1531: $matches[$version]++;
1532: }
1533: }
1534: my $which=0;
1535: foreach my $elem (@matches) {
1536: if ($elem eq $count) {
1537: $match=1;
1538: last;
1539: }
1540: $which++;
1541: }
1542: return ($match,$which);
1543: }
1544:
1545: sub grade {
1546: my ($target) = @_;
1547: my $id = $Apache::inputtags::part;
1548: my $response='';
1549: if ( defined $env{'form.submitted'}) {
1550: my (@awards,@msgs);
1551: foreach $response (@Apache::inputtags::response) {
1552: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1553: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1554: &Apache::lonxml::debug("keeping $value from $response for $id");
1555: push (@awards,$value);
1556: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1557: &Apache::lonxml::debug("got message $value from $response for $id");
1558: push (@msgs,$value);
1559: }
1560: my ($finalaward,$msg) =
1561: &finalizeawards(\@awards,\@msgs,undef,undef,
1562: $Apache::lonhomework::scantronmode);
1563: my $previously_used;
1564: if ( $#Apache::inputtags::previous eq $#awards ) {
1565: my ($match) =
1566: &previous_match(\@Apache::inputtags::previous_version,
1567: scalar(@Apache::inputtags::response));
1568:
1569: if ($match) {
1570: $previously_used = 'PREVIOUSLY_LAST';
1571: foreach my $value (@Apache::inputtags::previous) {
1572: if ($value eq 'PREVIOUSLY_USED' ) {
1573: $previously_used = $value;
1574: last;
1575: }
1576: }
1577: }
1578: }
1579: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1580: &setgradedata($finalaward,$msg,$id,$previously_used);
1581: }
1582: return '';
1583: }
1584:
1585: sub get_grade_messages {
1586: my ($id,$prefix,$target,$status,$nocorrect,$tdclass) = @_;
1587: # nocorrect suppresses "Computer's answer now shown above"
1588: my ($message,$latemessage,$trystr,$previousmsg);
1589: my $showbutton = 1;
1590:
1591: my $award = $Apache::lonhomework::history{"$prefix.award"};
1592: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1593: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1594: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1595: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1596: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1597: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1598: &Apache::lonxml::debug('Getting message');
1599: ($showbutton,my $css_class,$message,$previousmsg) =
1600: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1601: $target,(($status eq 'CAN_ANSWER') || $nocorrect),$tdclass);
1602: if ($target eq 'tex') {
1603: $message='\vskip 2 mm '.$message.' ';
1604: } else {
1605: $message="<td class=\"$tdclass $css_class\">$message</td>";
1606: if ($previousmsg) {
1607: $previousmsg="<td class=\"$tdclass LC_answer_previous\">$previousmsg</td>";
1608: }
1609: }
1610: }
1611: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1612: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1613: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1614: #if tries are set to negative turn off the Tries/Button and messages
1615: if (defined($maxtries) && $maxtries < 0) { return ''; }
1616: if ( $tries eq '' ) { $tries = '0'; }
1617: if ( $maxtries eq '' ) { $maxtries = '2'; }
1618: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1619: my $tries_text= &get_tries_text();
1620: if ($showbutton) {
1621: if ($target eq 'tex') {
1622: if ($env{'request.state'} ne "construct"
1623: && $Apache::lonhomework::type ne 'exam'
1624: && $env{'form.suppress_tries'} ne 'yes') {
1625: $trystr ='{\vskip 1 mm \small '
1626: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1627: ,'\textit{','}',$tries.'/'.$maxtries )
1628: .'} \vskip 2 mm';
1629: } else {
1630: $trystr = '\vskip 0 mm ';
1631: }
1632: } else {
1633: my $trial =$tries;
1634: if ($Apache::lonhomework::parsing_a_task) {
1635: } elsif($env{'request.state'} ne 'construct') {
1636: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1637: } else {
1638: if (defined($Apache::inputtags::params{'maxtries'})) {
1639: $trial.="/".$Apache::inputtags::params{'maxtries'};
1640: }
1641: }
1642: $trystr = '<td class="'.$tdclass.'"><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1643: }
1644: }
1645:
1646: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1647: #last submissions was after due date
1648: $latemessage=&mt(' The last submission was after the Due Date ');;
1649: if ($target eq 'web') {
1650: $latemessage='<td class="'.$tdclass.' LC_answer_late">'.$latemessage.'</td>';
1651: }
1652: }
1653: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1654: }
1655:
1656: sub gradestatus {
1657: my ($id,$target,$no_previous) = @_;
1658: my $showbutton = 1;
1659: my $message = '';
1660: my $latemessage = '';
1661: my $trystr='';
1662: my $button='';
1663: my $previousmsg='';
1664: my $tdclass='';
1665:
1666: my $status = $Apache::inputtags::status['-1'];
1667: &Apache::lonxml::debug("gradestatus has :$status:");
1668: if ( $status ne 'CLOSED'
1669: && $status ne 'UNAVAILABLE'
1670: && $status ne 'INVALID_ACCESS'
1671: && $status ne 'NEEDS_CHECKIN'
1672: && $status ne 'NOT_IN_A_SLOT'
1673: && $status ne 'RESERVABLE'
1674: && $status ne 'RESERVABLE_LATER'
1675: && $status ne 'NOTRESERVABLE') {
1676:
1677: if ($status eq 'SHOW_ANSWER') {
1678: $showbutton = 0;
1679: }
1680:
1681: unless (($status eq 'SHOW_ANSWER') || ($status eq 'CANNOT_ANSWER')) {
1682: if ($target ne 'tex') {
1683: $tdclass = 'LC_status_submit_'.$id;
1684: }
1685: }
1686:
1687: ($previousmsg,$latemessage,$message,$trystr) =
1688: &get_grade_messages($id,"resource.$id",$target,$status,
1689: $showbutton,$tdclass);
1690: if ($status eq 'CANNOT_ANSWER') {
1691: $showbutton = 0;
1692: }
1693: if ( $status eq 'SHOW_ANSWER') {
1694: undef($previousmsg);
1695: }
1696: if ( $showbutton ) {
1697: if ($target ne 'tex') {
1698: $button =
1699: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1700: type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit"
1701: value="'.&mt('Submit Answer').'" /> '.
1702: '<div id="msg_submit_'.$id.'" style="display:none">'.
1703: &mt('Processing your submission ...').'</div>';
1704: }
1705: }
1706:
1707: }
1708: my $output= $previousmsg.$latemessage.$message.$trystr;
1709: if ($output =~ /^\s*$/) {
1710: return $button;
1711: } else {
1712: if ($target eq 'tex') {
1713: return $button.' \vskip 0 mm '.$output.' ';
1714: } else {
1715: $output =
1716: '<table><tr><td>'.$button.'</td>'.$output;
1717: if (!$no_previous) {
1718: $output.='<td class="'.$tdclass.'">'.&previous_tries($id,$target).'</td>';
1719: }
1720: $output.= '</tr></table>';
1721: return $output;
1722: }
1723: }
1724: }
1725:
1726: sub previous_tries {
1727: my ($id,$target) = @_;
1728: my $output;
1729: my $status = $Apache::inputtags::status['-1'];
1730:
1731: my $count;
1732: my %count_lookup;
1733: my $lastrndseed;
1734: my $numstamps = 0;
1735:
1736: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1737: my $prefix = $i.":resource.$id";
1738: my $is_anon;
1739: if (defined($env{'form.grade_symb'})) {
1740: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1741: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1742: $is_anon = 1;
1743: }
1744: }
1745: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1746: $count++;
1747: $count_lookup{$i} = $count;
1748: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1749: my ($previousmsg,$latemessage,$message,$trystr);
1750:
1751: ($previousmsg,$latemessage,$message,$trystr) =
1752: &get_grade_messages($id,"$prefix",$target,$status);
1753:
1754: if ($previousmsg ne '') {
1755: my ($match,$which) = &find_which_previous($i);
1756: $message=$previousmsg;
1757: my $previous = $count_lookup{$which};
1758: $message =~ s{(</td>)}{ as submission \# $previous $1};
1759: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1760: if (!(&Apache::lonhomework::hide_problem_status()
1761: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1762: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1763: ) {
1764:
1765: my $txt_correct = &mt('Correct');
1766: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1767: if ($awarded < 1 && $awarded > 0) {
1768: $txt_correct=&mt('Partially Correct');
1769: } elsif ($awarded < 1) {
1770: if ($awarded eq '') {
1771: $txt_correct='';
1772: } else {
1773: $txt_correct=&mt('Incorrect');
1774: }
1775: }
1776: $message =~ s{(<td.*?>)(.*?)(</td>)}
1777: {$1 <strong>$txt_correct</strong>. $3}s;
1778: }
1779: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1780: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1781: if ($curr_rndseed ne $lastrndseed) {
1782: $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>';
1783: }
1784: }
1785: $message =~ s{(</td>)}{ $trystr $1};
1786: }
1787: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1788: $message =~ s{(<td.*?>)}{<td>};
1789:
1790:
1791: $output .= '<tr class="'.$class.'">'.
1792: '<td align="center">'.$count.'</td>'.$message;
1793: if ((!$is_anon) && ($Apache::lonhomework::history{"$prefix.tries"}) &&
1794: ($Apache::lonhomework::history{"$prefix.award"} ne 'ASSIGNED_SCORE') &&
1795: ($Apache::lonhomework::history{$i.':timestamp'})) {
1796: $output .= '<td>'.&Apache::lonlocal::locallocaltime(
1797: $Apache::lonhomework::history{$i.':timestamp'}).'</td>';
1798: $numstamps ++;
1799: } else {
1800: $output .= '<td></td>';
1801: }
1802: foreach my $resid (@Apache::inputtags::response) {
1803: my $prefix = $prefix.".$resid";
1804: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1805: my $submission =
1806: $Apache::inputtags::submission_display{"$prefix.submission"};
1807: if (!defined($submission)) {
1808: $submission =
1809: $Apache::lonhomework::history{"$prefix.submission"};
1810: }
1811: if ($is_anon) {
1812: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1813: } else {
1814: $output.='<td>'.$submission.'</td>';
1815: }
1816: } else {
1817: $output.='<td></td>';
1818: }
1819: }
1820: $output.=&Apache::loncommon::end_data_table_row()."\n";
1821: $lastrndseed = $curr_rndseed;
1822: }
1823: return if ($output eq '');
1824: my $headers = '<tr>'.
1825: '<th>'.&mt('Submission #').'</th>'.
1826: '<th>'.&mt('Try').'</th><th>';
1827: if ($numstamps) {
1828: $headers .= &mt('When');
1829: }
1830: $headers .= '</th>';
1831: my $colspan = scalar(@Apache::inputtags::response);
1832: if ($colspan > 1) {
1833: $headers .= '<th colspan="'.$colspan.'">';
1834: } else {
1835: $headers .= '<th>';
1836: }
1837: $headers .= &mt('Submitted Answer').'</th></tr>';
1838: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1839:
1840: my $tries_text = &get_tries_text('link');
1841: my $prefix = $env{'form.request.prefix'};
1842: $prefix =~ tr{.}{_};
1843: my $function_name = "LONCAPA_previous_tries_".$prefix.
1844: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1845: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1846: return $result;
1847: }
1848:
1849: sub get_tries_text {
1850: my ($context) = @_;
1851: my $tries_text;
1852: if ($context eq 'link') {
1853: $tries_text = 'Previous Tries';
1854: } else {
1855: $tries_text = 'Tries';
1856: }
1857: if ( $Apache::lonhomework::type eq 'survey' ||
1858: $Apache::lonhomework::type eq 'surveycred' ||
1859: $Apache::lonhomework::type eq 'anonsurvey' ||
1860: $Apache::lonhomework::type eq 'anonsurveycred' ||
1861: $Apache::lonhomework::parsing_a_task) {
1862: if ($context eq 'link') {
1863: $tries_text = 'Previous Submissions';
1864: } else {
1865: $tries_text = 'Submissions';
1866: }
1867: }
1868: return $tries_text;
1869: }
1870:
1871: sub spelling_languages {
1872: my %langchoices;
1873: foreach my $id (&Apache::loncommon::languageids()) {
1874: my $code = &Apache::loncommon::supportedlanguagecode($id);
1875: if ($code ne '') {
1876: $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
1877: }
1878: }
1879: my @spelllangs = ('none');
1880: foreach my $code ('en','de','he','es','fr','pt','tr') {
1881: push(@spelllangs,[$code,$langchoices{$code}]);
1882: }
1883: return \@spelllangs;
1884: }
1885:
1886: 1;
1887: __END__
1888:
1889: =pod
1890:
1891: =back
1892:
1893: =cut
1894:
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