File:
[LON-CAPA] /
loncom /
homework /
inputtags.pm
Revision
1.326:
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Mon Sep 15 17:45:35 2014 UTC (9 years, 8 months ago) by
raeburn
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MAIN
CVS tags:
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Bug 6740
Eliminate multiple submissions of same form. Work in progress.
- Pressing "Enter" key within a text input field submits form.
- When this occurs make textbox readonly, and submit button disabled.
1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.326 2014/09/15 17:45:35 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: . '/>';
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',
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: '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 'ERROR') {
1129: $message = &mt('An error occurred while grading your answer.');
1130: $css_class=$possible_class{'not_charged_try'};
1131: $button = 1;
1132: } elsif ($award eq 'TOO_LONG') {
1133: $message = &mt("The submitted answer was too long.");
1134: $css_class=$possible_class{'not_charged_try'};
1135: $button=1;
1136: } elsif ($award eq 'WANTED_NUMERIC') {
1137: $message = &mt("This question expects a numeric answer.");
1138: $css_class=$possible_class{'not_charged_try'};
1139: $button=1;
1140: } elsif ($award eq 'MISORDERED_RANK') {
1141: $message = &mt('You have provided an invalid ranking.');
1142: if ($target ne 'tex') {
1143: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1144: }
1145: $css_class=$possible_class{'not_charged_try'};
1146: $button=1;
1147: } elsif ($award eq 'EXCESS_FILESIZE') {
1148: $message = &mt("Submission won't be graded. The combined size of submitted files exceeded the amount allowed.");
1149: $css_class=$possible_class{'not_charged_try'};
1150: $button=1;
1151: } elsif ($award eq 'FILENAME_INUSE') {
1152: $message = &mt('You have already uploaded a file with that filename.');
1153: if ($target eq 'tex') {
1154: $message.= "\\\\\n";
1155: } else {
1156: $message .= '<br />';
1157: }
1158: $message .= &mt('Please use a different filename.');
1159: $css_class=$possible_class{'not_charged_try'};
1160: $button=1;
1161: } elsif ($award eq 'INVALID_FILETYPE') {
1162: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1163: $css_class=$possible_class{'not_charged_try'};
1164: $button=1;
1165: } elsif ($award eq 'SIG_FAIL') {
1166: my ($used,$min,$max)=split(':',$awardmsg);
1167: my $word = ($used < $min) ? 'more' : 'fewer';
1168: $message = &mt("Submission not graded. Use $word digits.",$used);
1169: $css_class=$possible_class{'not_charged_try'};
1170: $button=1;
1171: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1172: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1173: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1174: $css_class=$possible_class{'not_charged_try'};
1175: $button=1;
1176: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1177: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1178: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1179: $css_class=$possible_class{'not_charged_try'};
1180: $button=1;
1181: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1182: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1183: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1184: $css_class=$possible_class{'not_charged_try'};
1185: $button=1;
1186: } elsif ($award eq 'UNIT_NOTNEEDED') {
1187: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1188: $css_class=$possible_class{'not_charged_try'};
1189: $button=1;
1190: } elsif ($award eq 'NO_UNIT') {
1191: $message = &mt("Units required").'.';
1192: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1193: $css_class=$possible_class{'not_charged_try'};
1194: $button=1;
1195: } elsif ($award eq 'COMMA_FAIL') {
1196: $message = &mt("Proper comma separation is required").'.';
1197: $css_class=$possible_class{'not_charged_try'};
1198: $button=1;
1199: } elsif ($award eq 'BAD_FORMULA') {
1200: $message = &mt("Unable to understand formula").'.';
1201: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1202: $css_class=$possible_class{'not_charged_try'};
1203: $button=1;
1204: } elsif ($award eq 'NOT_FUNCTION') {
1205: $message = &mt("Not a function").'.';
1206: $css_class=$possible_class{'not_charged_try'};
1207: $button=1;
1208: } elsif ($award eq 'WRONG_FORMAT') {
1209: $message = &mt("Wrong format").'.';
1210: $css_class=$possible_class{'not_charged_try'};
1211: $button=1;
1212: } elsif ($award eq 'INTERNAL_ERROR') {
1213: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1214: $css_class=$possible_class{'not_charged_try'};
1215: $button=1;
1216: } elsif ($award eq 'INCORRECT') {
1217: $message = &mt("Incorrect").'.';
1218: $css_class=$possible_class{'charged_try'};
1219: $button=1;
1220: } elsif ($award eq 'SUBMITTED') {
1221: $message = &mt("Your submission has been recorded.");
1222: $css_class=$possible_class{'no_grade'};
1223: $button=1;
1224: } elsif ($award eq 'SUBMITTED_CREDIT') {
1225: $message = &mt("Your submission has been recorded, and credit awarded.");
1226: $css_class=$possible_class{'correct'};
1227: $button=1;
1228: } elsif ($award eq 'ANONYMOUS') {
1229: $message = &mt("Your anonymous submission has been recorded.");
1230: $css_class=$possible_class{'no_grade'};
1231: $button=1;
1232: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1233: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1234: $css_class=$possible_class{'correct'};
1235: $button=1;
1236: } elsif ($award eq 'DRAFT') {
1237: $message = &mt("Copy saved but not submitted.");
1238: $css_class=$possible_class{'not_charged_try'};
1239: $button=1;
1240: } elsif ($award eq 'ASSIGNED_SCORE') {
1241: $message = &mt("A score has been assigned.");
1242: $css_class=$possible_class{'correct'};
1243: $button=0;
1244: } elsif ($award eq '') {
1245: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1246: $message = &mt("Nothing submitted.");
1247: $css_class=$possible_class{'charged_try'};
1248: } else {
1249: $css_class=$possible_class{'not_charged_try'};
1250: }
1251: $button=1;
1252: } else {
1253: $message = &mt("Unknown message").": $award";
1254: $button=1;
1255: }
1256: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1257: foreach my $resid(@Apache::inputtags::response){
1258: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1259: if ($target eq 'tex') {
1260: $message.= "\\\\\n";
1261: } else {
1262: $message.='<br />';
1263: }
1264: my @files = split(/\s*,\s*/,
1265: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1266: my $file_msg;
1267: foreach my $file (@files) {
1268: if ($target eq 'tex') {
1269: $file_msg.= "\\\\\n".$file;
1270: } else {
1271: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1272: }
1273: }
1274: $message .= &mt('Returned file(s): [_1]',$file_msg);
1275: if ($target eq 'tex') {
1276: $message.= "\\\\\n";
1277: } else {
1278: $message.='<br />';
1279: }
1280: }
1281: }
1282:
1283: if (&Apache::lonhomework::hide_problem_status()
1284: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1285: && &hide_award($award)) {
1286: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1287: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1288: if ($interval[0] =~ /\d+/) {
1289: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1290: if (defined($first_access)) {
1291: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1292: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1293: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1294: }
1295: }
1296: }
1297: $css_class=$possible_class{'no_grade'};
1298: $button=1;
1299: }
1300: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1301: !$added_computer_text && $target ne 'tex') {
1302: $message.= $computer;
1303: $added_computer_text=1;
1304: }
1305: if ($Apache::lonhomework::type eq 'practice') {
1306: if ($target eq 'web') {
1307: $message .= '<br />';
1308: } else {
1309: $message .= ' ';
1310: }
1311: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1312: }
1313: return ($button,$css_class,$message,$previousmsg);
1314: }
1315:
1316: sub markup_unit {
1317: my ($unit,$target)=@_;
1318: if ($target eq 'tex') {
1319: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1320: } else {
1321: return "<tt>".$unit."</tt>";
1322: }
1323: }
1324:
1325: sub removealldata {
1326: my ($id)=@_;
1327: foreach my $key (keys(%Apache::lonhomework::results)) {
1328: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1329: &Apache::lonxml::debug("Removing $key");
1330: delete($Apache::lonhomework::results{$key});
1331: }
1332: }
1333: }
1334:
1335: sub hidealldata {
1336: my ($id)=@_;
1337: foreach my $key (keys(%Apache::lonhomework::results)) {
1338: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1339: &Apache::lonxml::debug("Hidding $key");
1340: my $newkey=$key;
1341: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1342: $Apache::lonhomework::results{$newkey}=
1343: $Apache::lonhomework::results{$key};
1344: delete($Apache::lonhomework::results{$key});
1345: }
1346: }
1347: }
1348:
1349: sub setgradedata {
1350: my ($award,$msg,$id,$previously_used) = @_;
1351: if ($Apache::lonhomework::scantronmode &&
1352: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1353: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1354: } elsif ($Apache::lonhomework::scantronmode &&
1355: $env{'form.CODE'} eq '' &&
1356: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1357: $Apache::lonhomework::results{"resource.CODE"}='';
1358: }
1359:
1360: if (!$Apache::lonhomework::scantronmode &&
1361: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1362: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1363: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1364: return '';
1365: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1366: || $Apache::lonhomework::scantronmode
1367: || &Apache::lonhomework::hide_problem_status() ) {
1368: # the student doesn't already have it correct,
1369: # or we are in a mode (scantron orno problem status) where a correct
1370: # can become incorrect
1371: # handle assignment of tries and solved status
1372: my $solvemsg;
1373: if ($Apache::lonhomework::scantronmode) {
1374: $solvemsg='correct_by_scantron';
1375: } else {
1376: $solvemsg='correct_by_student';
1377: }
1378: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1379: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1380: }
1381: if ( $award eq 'ASSIGNED_SCORE') {
1382: $Apache::lonhomework::results{"resource.$id.tries"} =
1383: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1384: $Apache::lonhomework::results{"resource.$id.solved"} =
1385: $solvemsg;
1386: my $numawards=scalar(@Apache::inputtags::response);
1387: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1388: foreach my $res (@Apache::inputtags::response) {
1389: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1390: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1391: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1392: } else {
1393: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1394: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1395: }
1396: }
1397: if ($numawards > 0) {
1398: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1399: $numawards;
1400: }
1401: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1402: $Apache::lonhomework::results{"resource.$id.tries"} =
1403: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1404: $Apache::lonhomework::results{"resource.$id.solved"} =
1405: $solvemsg;
1406: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1407: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1408: $Apache::lonhomework::results{"resource.$id.tries"} =
1409: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1410: $Apache::lonhomework::results{"resource.$id.solved"} =
1411: 'credit_attempted';
1412: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1413: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1414: $Apache::lonhomework::results{"resource.$id.tries"} =
1415: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1416: $Apache::lonhomework::results{"resource.$id.solved"} =
1417: 'credit_attempted';
1418: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1419: } elsif ( $award eq 'INCORRECT' ) {
1420: $Apache::lonhomework::results{"resource.$id.tries"} =
1421: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1422: if (&Apache::lonhomework::hide_problem_status()
1423: || $Apache::lonhomework::scantronmode) {
1424: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1425: }
1426: $Apache::lonhomework::results{"resource.$id.solved"} =
1427: 'incorrect_attempted';
1428: } elsif ( $award eq 'SUBMITTED' ) {
1429: $Apache::lonhomework::results{"resource.$id.tries"} =
1430: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1431: $Apache::lonhomework::results{"resource.$id.solved"} =
1432: 'ungraded_attempted';
1433: } elsif ( $award eq 'ANONYMOUS' ) {
1434: $Apache::lonhomework::results{"resource.$id.tries"} =
1435: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1436: $Apache::lonhomework::results{"resource.$id.solved"} =
1437: 'ungraded_attempted';
1438: } elsif ( $award eq 'DRAFT' ) {
1439: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1440: } elsif ( $award eq 'NO_RESPONSE' ) {
1441: #no real response so delete any data that got stored
1442: &removealldata($id);
1443: return '';
1444: } else {
1445: $Apache::lonhomework::results{"resource.$id.solved"} =
1446: 'incorrect_attempted';
1447: if (&Apache::lonhomework::show_no_problem_status()
1448: || $Apache::lonhomework::scantronmode) {
1449: $Apache::lonhomework::results{"resource.$id.tries"} =
1450: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1451: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1452: }
1453:
1454: if (&Apache::lonhomework::show_some_problem_status()) {
1455: # clear out the awarded if they had gotten it wrong/right
1456: # and are now in an error mode
1457: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1458: }
1459: }
1460: if (defined($msg)) {
1461: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1462: }
1463: # did either of the overall awards chage? If so ignore the
1464: # previous check
1465: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1466: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1467: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1468: $Apache::lonhomework::history{"resource.$id.solved"})) {
1469: # check if this was a previous submission if it was delete the
1470: # unneeded data and update the previously_used attribute
1471: if ( $previously_used eq 'PREVIOUSLY_USED') {
1472: if (&Apache::lonhomework::show_problem_status()) {
1473: delete($Apache::lonhomework::results{"resource.$id.tries"});
1474: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1475: }
1476: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1477: #delete all data as they student didn't do anything, but save
1478: #the list of collaborators.
1479: &removealldata($id);
1480: #and since they didn't do anything we were never here
1481: return '';
1482: } else {
1483: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1484: }
1485: }
1486: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1487: #delete all data as they student already has it correct
1488: &removealldata($id);
1489: #and since they didn't do anything we were never here
1490: return '';
1491: }
1492: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1493: if ($award eq 'SUBMITTED') {
1494: &Apache::response::add_to_gradingqueue();
1495: }
1496: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1497: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1498: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1499: $Apache::lonhomework::results{"resourse.$id.version"} = &Apache::lonnet::usedversion();
1500: }
1501:
1502: sub find_which_previous {
1503: my ($version) = @_;
1504: my $part = $Apache::inputtags::part;
1505: my (@previous_version);
1506: foreach my $resp (@Apache::inputtags::response) {
1507: my $key = "$version:resource.$part.$resp.submission";
1508: my $submission = $Apache::lonhomework::history{$key};
1509: my %previous = &Apache::response::check_for_previous($submission,
1510: $part,$resp,
1511: $version);
1512: push(@previous_version,$previous{'version'});
1513: }
1514: return &previous_match(\@previous_version,
1515: scalar(@Apache::inputtags::response));
1516: }
1517:
1518: sub previous_match {
1519: my ($previous_array,$count) = @_;
1520: my $match = 0;
1521: my @matches;
1522: foreach my $versionar (@$previous_array) {
1523: foreach my $version (@$versionar) {
1524: $matches[$version]++;
1525: }
1526: }
1527: my $which=0;
1528: foreach my $elem (@matches) {
1529: if ($elem eq $count) {
1530: $match=1;
1531: last;
1532: }
1533: $which++;
1534: }
1535: return ($match,$which);
1536: }
1537:
1538: sub grade {
1539: my ($target) = @_;
1540: my $id = $Apache::inputtags::part;
1541: my $response='';
1542: if ( defined $env{'form.submitted'}) {
1543: my (@awards,@msgs);
1544: foreach $response (@Apache::inputtags::response) {
1545: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1546: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1547: &Apache::lonxml::debug("keeping $value from $response for $id");
1548: push (@awards,$value);
1549: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1550: &Apache::lonxml::debug("got message $value from $response for $id");
1551: push (@msgs,$value);
1552: }
1553: my ($finalaward,$msg) =
1554: &finalizeawards(\@awards,\@msgs,undef,undef,
1555: $Apache::lonhomework::scantronmode);
1556: my $previously_used;
1557: if ( $#Apache::inputtags::previous eq $#awards ) {
1558: my ($match) =
1559: &previous_match(\@Apache::inputtags::previous_version,
1560: scalar(@Apache::inputtags::response));
1561:
1562: if ($match) {
1563: $previously_used = 'PREVIOUSLY_LAST';
1564: foreach my $value (@Apache::inputtags::previous) {
1565: if ($value eq 'PREVIOUSLY_USED' ) {
1566: $previously_used = $value;
1567: last;
1568: }
1569: }
1570: }
1571: }
1572: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1573: &setgradedata($finalaward,$msg,$id,$previously_used);
1574: }
1575: return '';
1576: }
1577:
1578: sub get_grade_messages {
1579: my ($id,$prefix,$target,$status,$nocorrect,$tdclass) = @_;
1580: # nocorrect suppresses "Computer's answer now shown above"
1581: my ($message,$latemessage,$trystr,$previousmsg);
1582: my $showbutton = 1;
1583:
1584: my $award = $Apache::lonhomework::history{"$prefix.award"};
1585: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1586: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1587: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1588: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1589: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1590: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1591: &Apache::lonxml::debug('Getting message');
1592: ($showbutton,my $css_class,$message,$previousmsg) =
1593: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1594: $target,(($status eq 'CAN_ANSWER') || $nocorrect),$tdclass);
1595: if ($target eq 'tex') {
1596: $message='\vskip 2 mm '.$message.' ';
1597: } else {
1598: $message="<td class=\"$tdclass $css_class\">$message</td>";
1599: if ($previousmsg) {
1600: $previousmsg="<td class=\"$tdclass LC_answer_previous\">$previousmsg</td>";
1601: }
1602: }
1603: }
1604: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1605: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1606: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1607: #if tries are set to negative turn off the Tries/Button and messages
1608: if (defined($maxtries) && $maxtries < 0) { return ''; }
1609: if ( $tries eq '' ) { $tries = '0'; }
1610: if ( $maxtries eq '' ) { $maxtries = '2'; }
1611: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1612: my $tries_text= &get_tries_text();
1613: if ($showbutton) {
1614: if ($target eq 'tex') {
1615: if ($env{'request.state'} ne "construct"
1616: && $Apache::lonhomework::type ne 'exam'
1617: && $env{'form.suppress_tries'} ne 'yes') {
1618: $trystr ='{\vskip 1 mm \small '
1619: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1620: ,'\textit{','}',$tries.'/'.$maxtries )
1621: .'} \vskip 2 mm';
1622: } else {
1623: $trystr = '\vskip 0 mm ';
1624: }
1625: } else {
1626: my $trial =$tries;
1627: if ($Apache::lonhomework::parsing_a_task) {
1628: } elsif($env{'request.state'} ne 'construct') {
1629: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1630: } else {
1631: if (defined($Apache::inputtags::params{'maxtries'})) {
1632: $trial.="/".$Apache::inputtags::params{'maxtries'};
1633: }
1634: }
1635: $trystr = '<td class="'.$tdclass.'"><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1636: }
1637: }
1638:
1639: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1640: #last submissions was after due date
1641: $latemessage=&mt(' The last submission was after the Due Date ');;
1642: if ($target eq 'web') {
1643: $latemessage='<td class="'.$tdclass.' LC_answer_late">'.$latemessage.'</td>';
1644: }
1645: }
1646: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1647: }
1648:
1649: sub gradestatus {
1650: my ($id,$target,$no_previous) = @_;
1651: my $showbutton = 1;
1652: my $message = '';
1653: my $latemessage = '';
1654: my $trystr='';
1655: my $button='';
1656: my $previousmsg='';
1657: my $tdclass='';
1658:
1659: my $status = $Apache::inputtags::status['-1'];
1660: &Apache::lonxml::debug("gradestatus has :$status:");
1661: if ( $status ne 'CLOSED'
1662: && $status ne 'UNAVAILABLE'
1663: && $status ne 'INVALID_ACCESS'
1664: && $status ne 'NEEDS_CHECKIN'
1665: && $status ne 'NOT_IN_A_SLOT'
1666: && $status ne 'RESERVABLE'
1667: && $status ne 'RESERVABLE_LATER'
1668: && $status ne 'NOTRESERVABLE') {
1669:
1670: if ($status eq 'SHOW_ANSWER') {
1671: $showbutton = 0;
1672: }
1673:
1674: unless (($status eq 'SHOW_ANSWER') || ($status eq 'CANNOT_ANSWER')) {
1675: if ($target ne 'tex') {
1676: $tdclass = 'LC_status_submit_'.$id;
1677: }
1678: }
1679:
1680: ($previousmsg,$latemessage,$message,$trystr) =
1681: &get_grade_messages($id,"resource.$id",$target,$status,
1682: $showbutton,$tdclass);
1683: if ($status eq 'CANNOT_ANSWER') {
1684: $showbutton = 0;
1685: }
1686: if ( $status eq 'SHOW_ANSWER') {
1687: undef($previousmsg);
1688: }
1689: if ( $showbutton ) {
1690: if ($target ne 'tex') {
1691: $button =
1692: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1693: type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit"
1694: value="'.&mt('Submit Answer').'" /> '.
1695: '<div id="msg_submit_'.$id.'" style="display:none">'.
1696: &mt('Processing your submission ...').'</div>';
1697: }
1698: }
1699:
1700: }
1701: my $output= $previousmsg.$latemessage.$message.$trystr;
1702: if ($output =~ /^\s*$/) {
1703: return $button;
1704: } else {
1705: if ($target eq 'tex') {
1706: return $button.' \vskip 0 mm '.$output.' ';
1707: } else {
1708: $output =
1709: '<table><tr><td>'.$button.'</td>'.$output;
1710: if (!$no_previous) {
1711: $output.='<td class="'.$tdclass.'">'.&previous_tries($id,$target).'</td>';
1712: }
1713: $output.= '</tr></table>';
1714: return $output;
1715: }
1716: }
1717: }
1718:
1719: sub previous_tries {
1720: my ($id,$target) = @_;
1721: my $output;
1722: my $status = $Apache::inputtags::status['-1'];
1723:
1724: my $count;
1725: my %count_lookup;
1726: my $lastrndseed;
1727: my $numstamps = 0;
1728:
1729: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1730: my $prefix = $i.":resource.$id";
1731: my $is_anon;
1732: if (defined($env{'form.grade_symb'})) {
1733: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1734: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1735: $is_anon = 1;
1736: }
1737: }
1738: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1739: $count++;
1740: $count_lookup{$i} = $count;
1741: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1742: my ($previousmsg,$latemessage,$message,$trystr);
1743:
1744: ($previousmsg,$latemessage,$message,$trystr) =
1745: &get_grade_messages($id,"$prefix",$target,$status);
1746:
1747: if ($previousmsg ne '') {
1748: my ($match,$which) = &find_which_previous($i);
1749: $message=$previousmsg;
1750: my $previous = $count_lookup{$which};
1751: $message =~ s{(</td>)}{ as submission \# $previous $1};
1752: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1753: if (!(&Apache::lonhomework::hide_problem_status()
1754: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1755: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1756: ) {
1757:
1758: my $txt_correct = &mt('Correct');
1759: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1760: if ($awarded < 1 && $awarded > 0) {
1761: $txt_correct=&mt('Partially Correct');
1762: } elsif ($awarded < 1) {
1763: if ($awarded eq '') {
1764: $txt_correct='';
1765: } else {
1766: $txt_correct=&mt('Incorrect');
1767: }
1768: }
1769: $message =~ s{(<td.*?>)(.*?)(</td>)}
1770: {$1 <strong>$txt_correct</strong>. $3}s;
1771: }
1772: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1773: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1774: if ($curr_rndseed ne $lastrndseed) {
1775: $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>';
1776: }
1777: }
1778: $message =~ s{(</td>)}{ $trystr $1};
1779: }
1780: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1781: $message =~ s{(<td.*?>)}{<td>};
1782:
1783:
1784: $output .= '<tr class="'.$class.'">'.
1785: '<td align="center">'.$count.'</td>'.$message;
1786: if ((!$is_anon) && ($Apache::lonhomework::history{"$prefix.tries"}) &&
1787: ($Apache::lonhomework::history{"$prefix.award"} ne 'ASSIGNED_SCORE') &&
1788: ($Apache::lonhomework::history{$i.':timestamp'})) {
1789: $output .= '<td>'.&Apache::lonlocal::locallocaltime(
1790: $Apache::lonhomework::history{$i.':timestamp'}).'</td>';
1791: $numstamps ++;
1792: } else {
1793: $output .= '<td></td>';
1794: }
1795: foreach my $resid (@Apache::inputtags::response) {
1796: my $prefix = $prefix.".$resid";
1797: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1798: my $submission =
1799: $Apache::inputtags::submission_display{"$prefix.submission"};
1800: if (!defined($submission)) {
1801: $submission =
1802: $Apache::lonhomework::history{"$prefix.submission"};
1803: }
1804: if ($is_anon) {
1805: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1806: } else {
1807: $output.='<td>'.$submission.'</td>';
1808: }
1809: } else {
1810: $output.='<td></td>';
1811: }
1812: }
1813: $output.=&Apache::loncommon::end_data_table_row()."\n";
1814: $lastrndseed = $curr_rndseed;
1815: }
1816: return if ($output eq '');
1817: my $headers = '<tr>'.
1818: '<th>'.&mt('Submission #').'</th>'.
1819: '<th>'.&mt('Try').'</th><th>';
1820: if ($numstamps) {
1821: $headers .= &mt('When');
1822: }
1823: $headers .= '</th>';
1824: my $colspan = scalar(@Apache::inputtags::response);
1825: if ($colspan > 1) {
1826: $headers .= '<th colspan="'.$colspan.'">';
1827: } else {
1828: $headers .= '<th>';
1829: }
1830: $headers .= &mt('Submitted Answer').'</th></tr>';
1831: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1832:
1833: my $tries_text = &get_tries_text('link');
1834: my $prefix = $env{'form.request.prefix'};
1835: $prefix =~ tr{.}{_};
1836: my $function_name = "LONCAPA_previous_tries_".$prefix.
1837: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1838: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1839: return $result;
1840: }
1841:
1842: sub get_tries_text {
1843: my ($context) = @_;
1844: my $tries_text;
1845: if ($context eq 'link') {
1846: $tries_text = 'Previous Tries';
1847: } else {
1848: $tries_text = 'Tries';
1849: }
1850: if ( $Apache::lonhomework::type eq 'survey' ||
1851: $Apache::lonhomework::type eq 'surveycred' ||
1852: $Apache::lonhomework::type eq 'anonsurvey' ||
1853: $Apache::lonhomework::type eq 'anonsurveycred' ||
1854: $Apache::lonhomework::parsing_a_task) {
1855: if ($context eq 'link') {
1856: $tries_text = 'Previous Submissions';
1857: } else {
1858: $tries_text = 'Submissions';
1859: }
1860: }
1861: return $tries_text;
1862: }
1863:
1864: sub spelling_languages {
1865: my %langchoices;
1866: foreach my $id (&Apache::loncommon::languageids()) {
1867: my $code = &Apache::loncommon::supportedlanguagecode($id);
1868: if ($code ne '') {
1869: $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
1870: }
1871: }
1872: my @spelllangs = ('none');
1873: foreach my $code ('en','de','he','es','fr','pt','tr') {
1874: push(@spelllangs,[$code,$langchoices{$code}]);
1875: }
1876: return \@spelllangs;
1877: }
1878:
1879: 1;
1880: __END__
1881:
1882: =pod
1883:
1884: =back
1885:
1886: =cut
1887:
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