File:
[LON-CAPA] /
loncom /
homework /
inputtags.pm
Revision
1.356:
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Sat Feb 4 22:38:31 2023 UTC (15 months, 3 weeks ago) by
raeburn
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MAIN
CVS tags:
HEAD
- Bug 6978
"turnoffeditor" parameter previously available for formularesponse and
mathresponse is now also available for customreponse, but default for
formula and math is "no", whereas default for custom is "yes".
1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.356 2023/02/04 22:38:31 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: # NOTE: the input id should match the one given by defaut_homework input_id().
464: my $input_tag_id = $itemid.'_'.$input_id;
465: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
466: $name = "none";
467: }
468: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
469: . ' onfocus="javascript:disableAutoComplete(\''.$input_tag_id.'\');"'
470: . ' type="text" '.$readonly.' name="'. $name . '"'
471: . ' id="' . $input_tag_id . '"'
472: . ' value="'. $oldresponse.'"'
473: . ' class="LC_textline spellchecked" size="'.$size.'"'.$maxlength.' />';
474:
475: $result .= &spellcheck_onblur($itemid, $spellcheck);
476: if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') &&
477: (((($tagstack->[-2] eq 'formularesponse') || ($tagstack->[-2] eq 'mathresponse')) &&
478: (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) ||
479: (($tagstack->[-2] eq 'customresponse') &&
480: (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') eq 'no')))) {
481: $result.=&edit_mathresponse_button($input_tag_id);
482: }
483: }
484: if ($Apache::lonhomework::type eq 'exam'
485: && &needs_exam_box($tagstack)) {
486: $result.=&exam_box($target);
487: }
488: } else {
489: #right or wrong don't show what was last typed in.
490: my $count = scalar(@Apache::inputtags::inputlist)-1;
491: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
492: #$result='';
493: }
494: } elsif ($target eq 'edit') {
495: $result=&Apache::edit::tag_start($target,$token);
496: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
497: &Apache::edit::text_arg('Click-On Texts (comma sep):',
498: 'addchars',$token,10);
499: $result.=&Apache::edit::select_arg('Readonly:','readonly',
500: ['no','yes'],$token);
501: my $spell_langs = &spelling_languages();
502: $result.=&Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
503: $spell_langs, $token);
504: $result.=&Apache::edit::end_row();
505: $result.=&Apache::edit::end_table();
506: } elsif ($target eq 'modified') {
507: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
508: $safeeval,'size',
509: 'addchars','readonly', 'spellcheck');
510: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
511: } elsif ($target eq 'tex'
512: && $Apache::lonhomework::type ne 'exam') {
513: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
514: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
515: if ($env{'form.pdfFormFields'} eq 'yes'
516: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
517: my $fieldname = $env{'request.symb'}.
518: '&part_'. $Apache::inputtags::part.
519: '&textresponse'.
520: '&HWVAL_' . $Apache::inputtags::response['-1'];
521: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
522: } else {
523: $result='\framebox['.$size.'][s]{\tiny\strut}';
524: }
525: } elsif ($target eq 'tex'
526: && $Apache::lonhomework::type eq 'exam'
527: && &needs_exam_box($tagstack)) {
528: $result.=&exam_box($target);
529: }
530: return $result;
531: }
532:
533: sub end_textline {
534: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
535: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
536: elsif ($target eq 'edit') { return ('','no'); }
537: &end_input();
538: return "";
539: }
540:
541: sub start_hiddenline {
542: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
543: my $result = "";
544: my $input_id = &start_input($parstack,$safeeval);
545: if ($target eq 'web') {
546: $Apache::lonxml::evaluate--;
547: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
548: my $partid=$Apache::inputtags::part;
549: my $id=$Apache::inputtags::response[-1];
550: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
551: if (ref($oldresponse) eq 'ARRAY') {
552: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
553: }
554: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
555:
556: if ($Apache::lonhomework::type ne 'exam') {
557: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
558: $oldresponse.'" />';
559: }
560: }
561: } elsif ($target eq 'edit') {
562: $result=&Apache::edit::tag_start($target,$token);
563: $result.=&Apache::edit::end_table;
564: }
565:
566: if ( ($target eq 'web' || $target eq 'tex')
567: && $Apache::lonhomework::type eq 'exam'
568: && &needs_exam_box($tagstack)) {
569: $result.=&exam_box($target);
570: }
571: return $result;
572: }
573:
574: sub end_hiddenline {
575: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
576: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
577: elsif ($target eq 'edit') { return ('','no'); }
578: &end_input();
579: return "";
580: }
581:
582:
583: sub start_hiddensubmission {
584: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
585: my $result = "";
586: my $input_id = &start_input($parstack,$safeeval);
587: if ($target eq 'web') {
588: $Apache::lonxml::evaluate--;
589: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
590: my $partid=$Apache::inputtags::part;
591: my $id=$Apache::inputtags::response[-1];
592: if ($Apache::lonhomework::type ne 'exam') {
593: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
594: $value = &HTML::Entities::encode($value,'<>&"');
595: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
596: }
597: }
598: } elsif ($target eq 'edit') {
599: $result=&Apache::edit::tag_start($target,$token);
600: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
601: $result.=&Apache::edit::end_row();
602: $result.=&Apache::edit::end_table();
603: } elsif ($target eq 'modified') {
604: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
605: $safeeval,'value');
606: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
607: }
608:
609: if ( ($target eq 'web' || $target eq 'tex')
610: && $Apache::lonhomework::type eq 'exam'
611: && &needs_exam_box($tagstack)) {
612: $result.=&exam_box($target);
613: }
614: return $result;
615: }
616:
617: sub end_hiddensubmission {
618: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
619: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
620: elsif ($target eq 'edit') { return ('','no'); }
621: &end_input();
622: return "";
623: }
624:
625: =pod
626:
627: =item file_selector()
628:
629: $part -> partid
630: $id -> responseid
631: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
632: $which -> 'uploadonly' -> only newly uploaded files
633: 'portfolioonly' -> only allow files from portfolio
634: 'both' -> allow files from either location
635: $extratext -> additional text to go between the link and the input box
636: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
637: returns a table row <tr>
638:
639: =cut
640:
641: sub file_selector {
642: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
643: if (!$uploadedfiletypes) { return ''; }
644:
645: my $jspart=$part;
646: $jspart=~s/\./_/g;
647:
648: my $result;
649: my $current_files_display = ¤t_file_submissions($part,$id);
650: my $addfiles;
651: if ($current_files_display) {
652: $result .= &Apache::lonhtmlcommon::row_title(&mt('Files currently selected for submission')).
653: $current_files_display.
654: &Apache::lonhtmlcommon::row_closure();
655: $addfiles = &mt('Submit other file(s)');
656: } else {
657: $addfiles = &mt('Choose file(s) to submit');
658: }
659: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
660: my $constraints;
661: if ($uploadedfiletypes ne '*') {
662: $constraints =
663: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
664: }
665: if ($maxfilesize) {
666: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB.',
667: '<b>'.$maxfilesize.'</b>').'<br />';
668: }
669: if ($constraints) {
670: $result .= $constraints.'<br />';
671: }
672: if ($which eq 'uploadonly' || $which eq 'both') {
673: my $free_space = $maxfilesize * 1048576;
674: $result .= &mt('Submit a file: (only one file per submission)').
675: ' <br /><input type="file" size="50" name="HWFILE'.$jspart.'_'.$id.
676: '" id="HWFILE'.$jspart.'_'.$id.'" class="LC_flUpload LC_hwkfile" />'.
677: '<input type="hidden" id="LC_free_space_'.$jspart.'_'.$id.'"'.
678: ' value="'.$free_space.'" /><br />';
679: }
680: if ( $which eq 'both') {
681: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
682: }
683: if ($which eq 'portfolioonly' || $which eq 'both') {
684: my $symb = $env{'request.symb'};
685: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
686: my $showsymb;
687: # If resource is a .task and URL is unencrypted, include symb in query string
688: # for url opened in portfolio file selection window. Can be used to override
689: # blocking of portfolio access resulting from an exam event in a different course.
690: if ($res =~ /\.task$/i) {
691: my $encsymb = &Apache::lonenc::check_encrypt($symb);
692: if ($symb eq $encsymb) {
693: $showsymb = $symb;
694: }
695: }
696: $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"))'."'".'>'.
697: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
698: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
699: '<br />';
700: }
701: $result.=&Apache::lonhtmlcommon::row_closure(1);
702: return $result;
703: }
704:
705: sub current_file_submissions {
706: my ($part,$id) = @_;
707: my $jspart=$part;
708: $jspart=~s/\./_/g;
709: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
710: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
711: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
712: my @unversioned;
713: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
714: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
715: my ($origname,$version,$ext) = &Apache::lonnet::file_name_version_ext($name);
716: unless ($version) {
717: push(@unversioned,$file);
718: }
719: }
720: return if (!@unversioned);
721: my $header = &portpath_popup_js().
722: &Apache::loncommon::start_data_table().
723: &Apache::loncommon::start_data_table_header_row();
724: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
725: $header .= '<th>'.&mt('Delete?').'</th>';
726: }
727: $header .= '<th>'.&mt('File').'</th>'.
728: '<th>'.&mt('Size (MB)').'</th>'.
729: '<th>'.&mt('Last Modified').'</th>'.
730: &Apache::loncommon::end_data_table_header_row();
731: my ($symb,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
732: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
733: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
734: if ($uploadedfile) {
735: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
736: my $link = &HTML::Entities::encode($url,'<>&"');
737: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
738: my ($status,$hashref,$error) =
739: ¤t_file_info($url,$link,$name,$path);
740: if ($status eq 'ok') {
741: push(@{$okfiles{$name}},$url);
742: $rows{$url} = $hashref;
743: $legacy{$url} = 1;
744: &Apache::lonxml::extlink($url);
745: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
746: } else {
747: push(@bad_file_list,$error);
748: }
749: }
750: if (@unversioned > 0) {
751: my $prefix = "/uploaded/$udom/$uname/portfolio";
752: foreach my $file (@unversioned) {
753: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
754: my $url = $prefix.$path.$name;
755: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
756: my ($status,$hashref,$error) =
757: ¤t_file_info($url,$uploadedfile,$name,$path);
758: if ($status eq 'ok') {
759: push(@{$okfiles{$name}},$url);
760: $rows{$url} = $hashref;
761: } else {
762: push(@bad_file_list,$error);
763: }
764: }
765: }
766: my $num = 0;
767: foreach my $name (sort(keys(%okfiles))) {
768: if (ref($okfiles{$name}) eq 'ARRAY') {
769: foreach my $url (@{$okfiles{$name}}) {
770: if (ref($rows{$url}) eq 'HASH') {
771: my $link = $rows{$url}{link};
772: my $portfile = $rows{$url}{path}.$rows{$url}{name};
773: $portfile = &HTML::Entities::encode($portfile,'<>&"');
774: if ($link) {
775: my $icon=&Apache::loncommon::icon($url);
776: unless ($header_shown) {
777: $result .= $header;
778: $header_shown = 1;
779: }
780: $result.=
781: &Apache::loncommon::start_data_table_row()."\n";
782: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
783: $result .=
784: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
785: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
786: $num ++;
787: }
788: my $pathid = 'HWFILE'.$jspart.'_'.$id.'_'.$num.'_path';
789: my $pathidtext = $pathid.'text';
790: my ($showname,$showpath);
791: if ($legacy{$url}) {
792: $showname = $name.' '.&mt('not in portfolio');
793: } else {
794: $showname = $name;
795: $showpath = '<br />'.
796: '<span id="'.$pathidtext.'" class="LC_cusr_subheading">'.
797: '<a href="javascript:showPortPath('."'$pathid','$pathidtext'".');" '.
798: 'class="LC_menubuttons_link">'.
799: &mt('(Show path)').'</a></span>'.
800: '<div id="'.$pathid.'" class="LC_dccid">'.$rows{$url}{path}.$name.
801: '</div>';
802: }
803: $result .=
804: '<td><a href="'.$link.'"><img src="'.$icon.
805: '" border="0" alt="" />'.$showname.'</a>'.$showpath.'</td>'."\n".
806: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
807: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
808: &Apache::loncommon::end_data_table_row();
809: }
810: }
811: }
812: }
813: }
814: if ($header_shown) {
815: $result .= &Apache::loncommon::end_data_table();
816: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
817: $result .= '<br /><span class="LC_warning">'.
818: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
819: }
820: }
821: if (@bad_file_list) {
822: my $bad_files = '<span class="LC_filename">'.
823: join('</span>, <span class="LC_filename">',@bad_file_list).
824: '</span>';
825: $result.='<p class="LC_error">'.
826: &mt("These file(s) don't exist: [_1]",$bad_files).
827: '</p>';
828: }
829: return $result;
830: }
831:
832: sub current_file_info {
833: my ($url,$uploadedfile,$name,$path) = @_;
834: my ($status,$error,%info);
835: my @stat = &Apache::lonnet::stat_file($url);
836: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
837: my ($lastmod,$size);
838: if ($stat[9] =~ /^\d+$/) {
839: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
840: }
841: $size = $stat[7]/(1024*1024);
842: $size = sprintf("%.3f",$size);
843: %info = (
844: link => $uploadedfile,
845: name => $name,
846: path => $path,
847: size => $size,
848: lastmodified => $lastmod,
849: );
850: $status = 'ok';
851: } else {
852: &Apache::lonnet::logthis("bad file is $url");
853: my $icon=&Apache::loncommon::icon($url);
854: $error = '<a href="'.$url.'"><img src="'.$icon.
855: '" border="0" />'.$uploadedfile.'</a>';
856: }
857: return ($status,\%info,$error);
858: }
859:
860: sub portpath_popup_js {
861: my %lt = &Apache::lonlocal::texthash(
862: show => '(Show path)',
863: hide => '(Hide)',
864: );
865: return <<"END";
866: <script type="text/javascript">
867: // <![CDATA[
868:
869: function showPortPath(id,idtext) {
870: document.getElementById(id).style.display='block';
871: document.getElementById(id).style.textAlign='left';
872: document.getElementById(id).style.textFace='normal';
873: if (document.getElementById(idtext)) {
874: document.getElementById(idtext).innerHTML ='<a href="javascript:hidePortPath(\\''+id+'\\',\\''+idtext+'\\'); '+
875: '"class="LC_menubuttons_link">$lt{'hide'}</a> ';
876: }
877: return;
878: }
879:
880: function hidePortPath(id,idtext) {
881: if (document.getElementById(id)) {
882: document.getElementById(id).style.display='none';
883: }
884: if (document.getElementById(idtext)) {
885: document.getElementById(idtext).innerHTML ='<a href="javascript:showPortPath(\\''+id+'\\',\\''+idtext+'\\');" '+
886: 'class="LC_menubuttons_link">$lt{'show'}</a>';
887: }
888: return;
889: }
890:
891: // ]]>
892: </script>
893:
894: END
895: }
896:
897: sub valid_award {
898: my ($award) =@_;
899: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
900: 'NO_RESPONSE','WRONG_NUMBOXESCHECKED',
901: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
902: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
903: 'UNIT_FAIL', 'NO_UNIT',
904: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
905: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
906: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
907: 'MISORDERED_RANK', 'INVALID_FILETYPE',
908: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
909: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
910: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
911: 'ASSIGNED_SCORE', 'APPROX_ANS',
912: 'EXACT_ANS','COMMA_FAIL') {
913: if ($award eq $possibleaward) { return 1; }
914: }
915: return 0;
916: }
917:
918: {
919: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
920: 'WRONG_NUMBOXESCHECKED','TOO_LONG',
921: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
922: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
923: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
924: 'WRONG_FORMAT', 'INTERNAL_ERROR',
925: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
926: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
927: 'DRAFT', 'SUBMITTED',
928: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
929: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
930: my $i=0;
931: my %fwd_awards = map { ($_,$i++) } @awards;
932: my $max=scalar(@awards);
933: @awards=reverse(@awards);
934: $i=0;
935: my %rev_awards = map { ($_,$i++) } @awards;
936:
937: sub awarddetail_to_awarded {
938: my ($awarddetail) = @_;
939: if ($awarddetail eq 'EXACT_ANS'
940: || $awarddetail eq 'APPROX_ANS') {
941: return 1;
942: }
943: return 0;
944: }
945:
946: sub hide_award {
947: my ($award) = @_;
948: if (&Apache::lonhomework::show_no_problem_status()) {
949: return 1;
950: }
951: if ($award =~
952: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
953: return 1;
954: }
955: return 0;
956: }
957:
958: sub finalizeawards {
959: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
960: my $result;
961: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
962: if ($result eq '' ) {
963: my $blankcount;
964: foreach my $award (@$awardref) {
965: if ($award eq '') {
966: $result='MISSING_ANSWER';
967: $blankcount++;
968: }
969: }
970: if ($blankcount == ($#$awardref + 1)) {
971: return ('NO_RESPONSE');
972: }
973: }
974:
975: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
976:
977: if (!$final_scantron && defined($result)) { return ($result); }
978:
979: # if in scantron mode, if the award for any response is
980: # assigned score, then the part gets an assigned score
981: if ($final_scantron
982: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
983: return ('ASSIGNED_SCORE');
984: }
985:
986: # if in scantron mode, if the award for any response is
987: # correct and there are non-correct responses,
988: # then the part gets an assigned score
989: if ($final_scantron
990: && (grep { $_ eq 'EXACT_ANS' ||
991: $_ eq 'APPROX_ANS' } (@$awardref))
992: && (grep { $_ ne 'EXACT_ANS' &&
993: $_ ne 'APPROX_ANS' } (@$awardref))) {
994: return ('ASSIGNED_SCORE');
995: }
996: # these awards are ordered from most important error through best correct
997: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
998:
999: my $best = $max;
1000: my $j=0;
1001: my $which;
1002: foreach my $award (@$awardref) {
1003: if ($awards->{$award} < $best) {
1004: $best = $awards->{$award};
1005: $which = $j;
1006: }
1007: $j++;
1008: }
1009:
1010: # if at least one response item is set to include lenient grading
1011: # and that item is partially correct then overall award reflects
1012: # that, unless an award for one of the other response items does
1013: # not fall within the basic awards for correct or incorrect.
1014: if ($Apache::inputtags::leniency) {
1015: if (($$awardref[$which] eq 'INCORRECT')
1016: && (grep { $_ eq 'EXACT_ANS' ||
1017: $_ eq 'APPROX_ANS' ||
1018: $_ eq 'ASSIGNED_SCORE' } (@$awardref))
1019: && !((grep { $_ ne 'INCORRECT' &&
1020: $_ ne 'EXACT_ANS' &&
1021: $_ ne 'APPROX_ANS' &&
1022: $_ ne 'ASSIGNED_SCORE' } (@$awardref)))) {
1023: return ('ASSIGNED_SCORE');
1024: }
1025: }
1026:
1027: if (defined($which)) {
1028: if (ref($nameref)) {
1029: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
1030: } else {
1031: return ($$awardref[$which],$$msgref[$which]);
1032: }
1033: }
1034: return ('ERROR',undef);
1035: }
1036: }
1037:
1038: sub decideoutput {
1039: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect,$tdclass)=@_;
1040:
1041: my $message='';
1042: my $button=0;
1043: my $previousmsg;
1044: my $css_class='orange';
1045: my $added_computer_text=0;
1046: my %possible_class =
1047: ( 'correct' => 'LC_answer_correct',
1048: 'charged_try' => 'LC_answer_charged_try',
1049: 'not_charged_try' => 'LC_answer_not_charged_try',
1050: 'no_grade' => 'LC_answer_no_grade',
1051: 'no_message' => 'LC_no_message',
1052: 'no_charge_warn' => 'LC_answer_warning',
1053: );
1054:
1055: my $part = $Apache::inputtags::part;
1056: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
1057: my $handgrade = ('yes' eq lc($tohandgrade));
1058: #
1059: # Should "Computer's Answer" be displayed?
1060: # Should not be displayed if still answerable,
1061: # if the problem is handgraded,
1062: # or if the problem does not give a correct answer
1063: #
1064:
1065: my $computer = ($handgrade || $nocorrect)? ''
1066: : &mt("Computer's answer now shown above.");
1067: &Apache::lonxml::debug("handgrade has :$handgrade:");
1068:
1069: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
1070:
1071: if ($solved =~ /^correct/) {
1072: $css_class=$possible_class{'correct'};
1073: $message=&mt('You are correct.');
1074: if ($awarded < 1 && $awarded > 0) {
1075: $message=&mt('You are partially correct.');
1076: $css_class=$possible_class{'not_charged_try'};
1077: } elsif ($awarded < 1) {
1078: $message=&mt('Incorrect.');
1079: $css_class=$possible_class{'charged_try'};
1080: }
1081: if ($handgrade ||
1082: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
1083: $message = &mt("A score has been assigned.");
1084: $added_computer_text=1;
1085: } else {
1086: if ($target eq 'tex') {
1087: $message = '\textbf{'.$message.'}';
1088: } else {
1089: $message = "<b>".$message."</b>";
1090: if ($computer) {
1091: $message = "$computer $message";
1092: }
1093: }
1094: $added_computer_text=1;
1095: if ($awarded > 0) {
1096: my ($symb) = &Apache::lonnet::whichuser();
1097: if (($symb ne '')
1098: &&
1099: ($env{'course.'.$env{'request.course.id'}.
1100: '.disable_receipt_display'} ne 'yes') &&
1101: ($Apache::lonhomework::type ne 'practice')) {
1102: $message.=(($target eq 'web')?'<br />':' ').
1103: &mt('Your receipt no. is [_1]',
1104: (&Apache::lonnet::receipt($Apache::inputtags::part).
1105: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1106: }
1107: }
1108: }
1109: if ($awarded >= 1) {
1110: $button=0;
1111: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
1112: $button=0;
1113: } else {
1114: $button=1;
1115: }
1116: $previousmsg='';
1117: } elsif ($solved =~ /^excused/) {
1118: if ($target eq 'tex') {
1119: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
1120: } else {
1121: $message = "<b>".&mt('You are excused from the problem.')."</b>";
1122: }
1123: $css_class=$possible_class{'charged_try'};
1124: $button=0;
1125: $previousmsg='';
1126: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1127: if ($solved =~ /^incorrect/ || $solved eq '') {
1128: $message = &mt("Incorrect").".";
1129: $css_class=$possible_class{'charged_try'};
1130: $button=1;
1131: } else {
1132: if ($target eq 'tex') {
1133: $message = '\textbf{'.&mt('You are correct.').'}';
1134: } else {
1135: $message = "<b>".&mt('You are correct.')."</b>";
1136: if ($computer) {
1137: $message = "$computer $message";
1138: }
1139: }
1140: $added_computer_text=1;
1141: if ($awarded > 0
1142: && $env{'course.'.
1143: $env{'request.course.id'}.
1144: '.disable_receipt_display'} ne 'yes') {
1145: $message.=(($target eq 'web')?'<br />':' ').
1146: &mt('Your receipt is [_1]',
1147: (&Apache::lonnet::receipt($Apache::inputtags::part).
1148: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1149: }
1150: $css_class=$possible_class{'correct'};
1151: $button=0;
1152: $previousmsg='';
1153: }
1154: } elsif ($award eq 'NO_RESPONSE') {
1155: $message = '';
1156: $css_class=$possible_class{'no_feedback'};
1157: $button=1;
1158: } elsif ($award eq 'EXTRA_ANSWER') {
1159: $message = &mt('Some extra items were submitted.');
1160: $css_class=$possible_class{'not_charged_try'};
1161: $button = 1;
1162: } elsif ($award eq 'MISSING_ANSWER') {
1163: $message = &mt('Some items were not submitted.');
1164: if ($target ne 'tex') {
1165: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1166: }
1167: if (&Apache::lonhomework::show_some_problem_status()) {
1168: $css_class=$possible_class{'no_charge_warn'};
1169: } else {
1170: $css_class=$possible_class{'not_charged_try'};
1171: }
1172: $button = 1;
1173: } elsif ($award eq 'WRONG_NUMBOXESCHECKED') {
1174: $message = &mt('Number of boxes checked outside permissible range (either too few or too many).');
1175: if ($target ne 'tex') {
1176: $message .= &Apache::loncommon::help_open_topic('Wrong_Num_Boxes_Checked');
1177: }
1178: $css_class=$possible_class{'not_charged_try'};
1179: $button = 1;
1180: } elsif ($award eq 'ERROR') {
1181: $message = &mt('An error occurred while grading your answer.');
1182: $css_class=$possible_class{'not_charged_try'};
1183: $button = 1;
1184: } elsif ($award eq 'TOO_LONG') {
1185: $message = &mt("The submitted answer was too long.");
1186: $css_class=$possible_class{'not_charged_try'};
1187: $button=1;
1188: } elsif ($award eq 'WANTED_NUMERIC') {
1189: $message = &mt("This question expects a numeric answer.");
1190: $css_class=$possible_class{'not_charged_try'};
1191: $button=1;
1192: } elsif ($award eq 'MISORDERED_RANK') {
1193: $message = &mt('You have provided an invalid ranking.');
1194: if ($target ne 'tex') {
1195: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1196: }
1197: $css_class=$possible_class{'not_charged_try'};
1198: $button=1;
1199: } elsif ($award eq 'EXCESS_FILESIZE') {
1200: $message = &mt("Submission won't be graded. The combined size of submitted files exceeded the amount allowed.");
1201: $css_class=$possible_class{'not_charged_try'};
1202: $button=1;
1203: } elsif ($award eq 'FILENAME_INUSE') {
1204: $message = &mt('You have already uploaded a file with that filename.');
1205: if ($target eq 'tex') {
1206: $message.= "\\\\\n";
1207: } else {
1208: $message .= '<br />';
1209: }
1210: $message .= &mt('Please use a different filename.');
1211: $css_class=$possible_class{'not_charged_try'};
1212: $button=1;
1213: } elsif ($award eq 'INVALID_FILETYPE') {
1214: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1215: $css_class=$possible_class{'not_charged_try'};
1216: $button=1;
1217: } elsif ($award eq 'SIG_FAIL') {
1218: my ($used,$min,$max)=split(':',$awardmsg);
1219: my $word = ($used < $min) ? 'more' : 'fewer';
1220: $message = &mt("Submission not graded. Use $word significant figures.");
1221: if (&Apache::lonhomework::show_some_problem_status()) {
1222: $css_class=$possible_class{'no_charge_warn'};
1223: } else {
1224: $css_class=$possible_class{'not_charged_try'};
1225: }
1226: $button=1;
1227: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1228: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1229: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1230: $css_class=$possible_class{'not_charged_try'};
1231: $button=1;
1232: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1233: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1234: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1235: if (&Apache::lonhomework::show_some_problem_status()) {
1236: $css_class=$possible_class{'no_charge_warn'};
1237: } else {
1238: $css_class=$possible_class{'not_charged_try'};
1239: }
1240: $button=1;
1241: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1242: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1243: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1244: if (&Apache::lonhomework::show_some_problem_status()) {
1245: $css_class=$possible_class{'no_charge_warn'};
1246: } else {
1247: $css_class=$possible_class{'not_charged_try'};
1248: }
1249: $button=1;
1250: } elsif ($award eq 'UNIT_NOTNEEDED') {
1251: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1252: if (&Apache::lonhomework::show_some_problem_status()) {
1253: $css_class=$possible_class{'no_charge_warn'};
1254: } else {
1255: $css_class=$possible_class{'not_charged_try'};
1256: }
1257: $button=1;
1258: } elsif ($award eq 'NO_UNIT') {
1259: $message = &mt("Units required").'.';
1260: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1261: if (&Apache::lonhomework::show_some_problem_status()) {
1262: $css_class=$possible_class{'no_charge_warn'};
1263: } else {
1264: $css_class=$possible_class{'not_charged_try'};
1265: }
1266: $button=1;
1267: } elsif ($award eq 'COMMA_FAIL') {
1268: $message = &mt("Proper comma separation is required").'.';
1269: $css_class=$possible_class{'not_charged_try'};
1270: $button=1;
1271: } elsif ($award eq 'BAD_FORMULA') {
1272: $message = &mt("Unable to understand formula").'.';
1273: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1274: $css_class=$possible_class{'not_charged_try'};
1275: $button=1;
1276: } elsif ($award eq 'NOT_FUNCTION') {
1277: $message = &mt("Not a function").'.';
1278: $css_class=$possible_class{'not_charged_try'};
1279: $button=1;
1280: } elsif ($award eq 'WRONG_FORMAT') {
1281: $message = &mt("Wrong format").'.';
1282: $css_class=$possible_class{'not_charged_try'};
1283: $button=1;
1284: } elsif ($award eq 'INTERNAL_ERROR') {
1285: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1286: $css_class=$possible_class{'not_charged_try'};
1287: $button=1;
1288: } elsif ($award eq 'INCORRECT') {
1289: $message = &mt("Incorrect").'.';
1290: $css_class=$possible_class{'charged_try'};
1291: $button=1;
1292: } elsif ($award eq 'SUBMITTED') {
1293: $message = &mt("Your submission has been recorded.");
1294: $css_class=$possible_class{'no_grade'};
1295: $button=1;
1296: } elsif ($award eq 'SUBMITTED_CREDIT') {
1297: $message = &mt("Your submission has been recorded, and credit awarded.");
1298: $css_class=$possible_class{'correct'};
1299: $button=1;
1300: } elsif ($award eq 'ANONYMOUS') {
1301: $message = &mt("Your anonymous submission has been recorded.");
1302: $css_class=$possible_class{'no_grade'};
1303: $button=1;
1304: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1305: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1306: $css_class=$possible_class{'correct'};
1307: $button=1;
1308: } elsif ($award eq 'DRAFT') {
1309: $message = &mt("Copy saved but not submitted.");
1310: $css_class=$possible_class{'not_charged_try'};
1311: $button=1;
1312: } elsif ($award eq 'ASSIGNED_SCORE') {
1313: $message = &mt("A score has been assigned.");
1314: $css_class=$possible_class{'correct'};
1315: $button=0;
1316: } elsif ($award eq '') {
1317: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1318: $message = &mt("Nothing submitted.");
1319: $css_class=$possible_class{'charged_try'};
1320: } else {
1321: $css_class=$possible_class{'not_charged_try'};
1322: }
1323: $button=1;
1324: } else {
1325: $message = &mt("Unknown message").": $award";
1326: $button=1;
1327: }
1328: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1329: foreach my $resid(@Apache::inputtags::response){
1330: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1331: if ($target eq 'tex') {
1332: $message.= "\\\\\n";
1333: } else {
1334: $message.='<br />';
1335: }
1336: my @files = split(/\s*,\s*/,
1337: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1338: my $file_msg;
1339: foreach my $file (@files) {
1340: if ($target eq 'tex') {
1341: $file_msg.= "\\\\\n".$file;
1342: } else {
1343: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1344: }
1345: }
1346: $message .= &mt('Returned file(s): [_1]',$file_msg);
1347: if ($target eq 'tex') {
1348: $message.= "\\\\\n";
1349: } else {
1350: $message.='<br />';
1351: }
1352: }
1353: }
1354:
1355: if (&Apache::lonhomework::hide_problem_status()
1356: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1357: && &hide_award($award)) {
1358: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1359: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1360: if ($interval[0] =~ /\d+/) {
1361: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1362: if (defined($first_access)) {
1363: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1364: my ($timelimit) = ($interval[0] =~ /^(\d+)/);
1365: unless (($due_date) && ($due_date < $first_access + $timelimit)) {
1366: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1367: }
1368: }
1369: }
1370: $css_class=$possible_class{'no_grade'};
1371: $button=1;
1372: if ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') {
1373: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
1374: $message = 'Answer Submitted';
1375: } else {
1376: undef($message);
1377: }
1378: }
1379: }
1380: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1381: !$added_computer_text && $target ne 'tex') {
1382: if ($computer) {
1383: $message = "$computer $message";
1384: }
1385: $added_computer_text=1;
1386: }
1387: if ($Apache::lonhomework::type eq 'practice') {
1388: if ($target eq 'web') {
1389: $message .= '<br />';
1390: } else {
1391: $message .= ' ';
1392: }
1393: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1394: }
1395: return ($button,$css_class,$message,$previousmsg);
1396: }
1397:
1398: sub markup_unit {
1399: my ($unit,$target)=@_;
1400: if ($target eq 'tex') {
1401: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1402: } else {
1403: return "<tt>".$unit."</tt>";
1404: }
1405: }
1406:
1407: sub removealldata {
1408: my ($id)=@_;
1409: foreach my $key (keys(%Apache::lonhomework::results)) {
1410: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1411: &Apache::lonxml::debug("Removing $key");
1412: delete($Apache::lonhomework::results{$key});
1413: }
1414: }
1415: }
1416:
1417: sub hidealldata {
1418: my ($id)=@_;
1419: foreach my $key (keys(%Apache::lonhomework::results)) {
1420: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1421: &Apache::lonxml::debug("Hidding $key");
1422: my $newkey=$key;
1423: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1424: $Apache::lonhomework::results{$newkey}=
1425: $Apache::lonhomework::results{$key};
1426: delete($Apache::lonhomework::results{$key});
1427: }
1428: }
1429: }
1430:
1431: sub setgradedata {
1432: my ($award,$msg,$id,$previously_used) = @_;
1433: if ($Apache::lonhomework::scantronmode &&
1434: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1435: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1436: } elsif ($Apache::lonhomework::scantronmode &&
1437: $env{'form.CODE'} eq '' &&
1438: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1439: $Apache::lonhomework::results{"resource.CODE"}='';
1440: }
1441:
1442: if (!$Apache::lonhomework::scantronmode &&
1443: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1444: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1445: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1446: return '';
1447: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1448: || $Apache::lonhomework::scantronmode
1449: || &Apache::lonhomework::hide_problem_status() ) {
1450: # the student doesn't already have it correct,
1451: # or we are in a mode (scantron orno problem status) where a correct
1452: # can become incorrect
1453: # handle assignment of tries and solved status
1454: my $solvemsg;
1455: if ($Apache::lonhomework::scantronmode) {
1456: $solvemsg='correct_by_scantron';
1457: } else {
1458: $solvemsg='correct_by_student';
1459: }
1460: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1461: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1462: }
1463: if ( $award eq 'ASSIGNED_SCORE') {
1464: $Apache::lonhomework::results{"resource.$id.tries"} =
1465: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1466: $Apache::lonhomework::results{"resource.$id.solved"} =
1467: $solvemsg;
1468: my $numawards=scalar(@Apache::inputtags::response);
1469: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1470: foreach my $res (@Apache::inputtags::response) {
1471: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1472: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1473: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1474: } else {
1475: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1476: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1477: }
1478: }
1479: if ($numawards > 0) {
1480: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1481: $numawards;
1482: }
1483: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1484: $Apache::lonhomework::results{"resource.$id.tries"} =
1485: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1486: $Apache::lonhomework::results{"resource.$id.solved"} =
1487: $solvemsg;
1488: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1489: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1490: $Apache::lonhomework::results{"resource.$id.tries"} =
1491: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1492: $Apache::lonhomework::results{"resource.$id.solved"} =
1493: 'credit_attempted';
1494: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1495: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1496: $Apache::lonhomework::results{"resource.$id.tries"} =
1497: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1498: $Apache::lonhomework::results{"resource.$id.solved"} =
1499: 'credit_attempted';
1500: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1501: } elsif ( $award eq 'INCORRECT' ) {
1502: $Apache::lonhomework::results{"resource.$id.tries"} =
1503: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1504: if (&Apache::lonhomework::hide_problem_status()
1505: || $Apache::lonhomework::scantronmode) {
1506: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1507: }
1508: $Apache::lonhomework::results{"resource.$id.solved"} =
1509: 'incorrect_attempted';
1510: } elsif ( $award eq 'SUBMITTED' ) {
1511: $Apache::lonhomework::results{"resource.$id.tries"} =
1512: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1513: $Apache::lonhomework::results{"resource.$id.solved"} =
1514: 'ungraded_attempted';
1515: } elsif ( $award eq 'ANONYMOUS' ) {
1516: $Apache::lonhomework::results{"resource.$id.tries"} =
1517: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1518: $Apache::lonhomework::results{"resource.$id.solved"} =
1519: 'ungraded_attempted';
1520: } elsif ( $award eq 'DRAFT' ) {
1521: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1522: } elsif ( $award eq 'NO_RESPONSE' ) {
1523: #no real response so delete any data that got stored
1524: &removealldata($id);
1525: return '';
1526: } else {
1527: $Apache::lonhomework::results{"resource.$id.solved"} =
1528: 'incorrect_attempted';
1529: if (&Apache::lonhomework::show_no_problem_status()
1530: || $Apache::lonhomework::scantronmode) {
1531: $Apache::lonhomework::results{"resource.$id.tries"} =
1532: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1533: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1534: }
1535:
1536: if (&Apache::lonhomework::show_some_problem_status()) {
1537: # clear out the awarded if they had gotten it wrong/right
1538: # and are now in an error mode
1539: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1540: }
1541: }
1542: if (defined($msg)) {
1543: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1544: }
1545: # did either of the overall awards chage? If so ignore the
1546: # previous check
1547: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1548: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1549: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1550: $Apache::lonhomework::history{"resource.$id.solved"})) {
1551: # check if this was a previous submission if it was delete the
1552: # unneeded data and update the previously_used attribute
1553: if ( $previously_used eq 'PREVIOUSLY_USED') {
1554: if (&Apache::lonhomework::show_problem_status()) {
1555: delete($Apache::lonhomework::results{"resource.$id.tries"});
1556: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1557: }
1558: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1559: #delete all data as they student didn't do anything, but save
1560: #the list of collaborators.
1561: &removealldata($id);
1562: #and since they didn't do anything we were never here
1563: return '';
1564: } else {
1565: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1566: }
1567: }
1568: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1569: #delete all data as they student already has it correct
1570: &removealldata($id);
1571: #and since they didn't do anything we were never here
1572: return '';
1573: }
1574: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1575: if ($award eq 'SUBMITTED') {
1576: &Apache::response::add_to_gradingqueue();
1577: }
1578: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1579: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1580: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1581: $Apache::lonhomework::results{"resource.$id.version"} = &Apache::lonnet::usedversion();
1582: $Apache::lonhomework::results{"resource.$id.maxtries"} = &Apache::lonnet::EXT("resource.$id.maxtries");
1583: }
1584:
1585: sub find_which_previous {
1586: my ($version) = @_;
1587: my $part = $Apache::inputtags::part;
1588: my (@previous_version);
1589: foreach my $resp (@Apache::inputtags::response) {
1590: my $key = "$version:resource.$part.$resp.submission";
1591: my $submission = $Apache::lonhomework::history{$key};
1592: my %previous = &Apache::response::check_for_previous($submission,
1593: $part,$resp,
1594: $version);
1595: push(@previous_version,$previous{'version'});
1596: }
1597: return &previous_match(\@previous_version,
1598: scalar(@Apache::inputtags::response));
1599: }
1600:
1601: sub previous_match {
1602: my ($previous_array,$count) = @_;
1603: my $match = 0;
1604: my @matches;
1605: foreach my $versionar (@$previous_array) {
1606: foreach my $version (@$versionar) {
1607: $matches[$version]++;
1608: }
1609: }
1610: my $which=0;
1611: foreach my $elem (@matches) {
1612: if ($elem eq $count) {
1613: $match=1;
1614: last;
1615: }
1616: $which++;
1617: }
1618: return ($match,$which);
1619: }
1620:
1621: sub grade {
1622: my ($target) = @_;
1623: my $id = $Apache::inputtags::part;
1624: my $response='';
1625: if ( defined $env{'form.submitted'}) {
1626: my (@awards,@msgs);
1627: foreach $response (@Apache::inputtags::response) {
1628: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1629: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1630: &Apache::lonxml::debug("keeping $value from $response for $id");
1631: push (@awards,$value);
1632: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1633: &Apache::lonxml::debug("got message $value from $response for $id");
1634: push (@msgs,$value);
1635: }
1636: my ($finalaward,$msg) =
1637: &finalizeawards(\@awards,\@msgs,undef,undef,
1638: $Apache::lonhomework::scantronmode);
1639: my $previously_used;
1640: if ( $#Apache::inputtags::previous eq $#awards ) {
1641: my ($match) =
1642: &previous_match(\@Apache::inputtags::previous_version,
1643: scalar(@Apache::inputtags::response));
1644:
1645: if ($match) {
1646: $previously_used = 'PREVIOUSLY_LAST';
1647: foreach my $value (@Apache::inputtags::previous) {
1648: if ($value eq 'PREVIOUSLY_USED' ) {
1649: $previously_used = $value;
1650: last;
1651: }
1652: }
1653: }
1654: }
1655: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1656: &setgradedata($finalaward,$msg,$id,$previously_used);
1657: }
1658: return '';
1659: }
1660:
1661: sub get_grade_messages {
1662: my ($id,$prefix,$target,$status,$nocorrect,$tdclass) = @_;
1663: # nocorrect suppresses "Computer's answer now shown above"
1664: my ($message,$latemessage,$trystr,$previousmsg);
1665: my $showbutton = 1;
1666:
1667: my $award = $Apache::lonhomework::history{"$prefix.award"};
1668: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1669: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1670: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1671: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1672: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1673: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1674: &Apache::lonxml::debug('Getting message');
1675: ($showbutton,my $css_class,$message,$previousmsg) =
1676: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1677: $target,(($status eq 'CAN_ANSWER') || $nocorrect),$tdclass);
1678: if ($target eq 'tex') {
1679: $message='\vskip 2 mm '.$message.' ';
1680: } else {
1681: if ($message) {
1682: $message="<td class=\"$tdclass $css_class\">$message</td>";
1683: } else {
1684: $message="<td class=\"$tdclass\"></td>";
1685: }
1686: if ($previousmsg) {
1687: $previousmsg="<td class=\"$tdclass LC_answer_previous\">$previousmsg</td>";
1688: }
1689: }
1690: }
1691: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1692: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1693: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1694: #if tries are set to negative turn off the Tries/Button and messages
1695: if (defined($maxtries) && $maxtries < 0) { return ''; }
1696: if ( $tries eq '' ) { $tries = '0'; }
1697: if ( $maxtries eq '' ) { $maxtries = '2'; }
1698: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1699: my $tries_text= &get_tries_text();
1700: if ($showbutton) {
1701: if ($target eq 'tex') {
1702: if ($env{'request.state'} ne "construct"
1703: && $Apache::lonhomework::type ne 'exam'
1704: && $env{'form.suppress_tries'} ne 'yes') {
1705: $trystr ='{\vskip 1 mm \small '
1706: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1707: ,'\textit{','}',$tries.'/'.$maxtries )
1708: .'} \vskip 2 mm';
1709: } else {
1710: $trystr = '\vskip 0 mm ';
1711: }
1712: } else {
1713: my $trial =$tries;
1714: if ($Apache::lonhomework::parsing_a_task) {
1715: } elsif($env{'request.state'} ne 'construct') {
1716: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1717: } else {
1718: if (defined($Apache::inputtags::params{'maxtries'})) {
1719: $trial.="/".$Apache::inputtags::params{'maxtries'};
1720: }
1721: }
1722:
1723: unless (($env{'request.state'} ne "construct") &&
1724: ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
1725: (!$env{'request.role.adv'})) {
1726: $trystr = '<span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span>';
1727: }
1728: $trystr = '<td class="'.$tdclass.'">'.$trystr.'</td>';
1729: }
1730: }
1731:
1732: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1733: #last submissions was after due date
1734: $latemessage=&mt(' The last submission was after the Due Date ');;
1735: if ($target eq 'web') {
1736: $latemessage='<td class="'.$tdclass.' LC_answer_late">'.$latemessage.'</td>';
1737: }
1738: }
1739: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1740: }
1741:
1742: sub gradestatus {
1743: my ($id,$target,$no_previous) = @_;
1744: my $showbutton = 1;
1745: my $message = '';
1746: my $latemessage = '';
1747: my $trystr='';
1748: my $button='';
1749: my $previousmsg='';
1750: my $tdclass='';
1751:
1752: my $status = $Apache::inputtags::status['-1'];
1753: &Apache::lonxml::debug("gradestatus has :$status:");
1754: if ( $status ne 'CLOSED'
1755: && $status ne 'UNAVAILABLE'
1756: && $status ne 'INVALID_ACCESS'
1757: && $status ne 'NEEDS_CHECKIN'
1758: && $status ne 'NOT_IN_A_SLOT'
1759: && $status ne 'RESERVABLE'
1760: && $status ne 'RESERVABLE_LATER'
1761: && $status ne 'NOTRESERVABLE'
1762: && $status ne 'NEED_DIFFERENT_IP') {
1763:
1764: if ($status eq 'SHOW_ANSWER') {
1765: $showbutton = 0;
1766: }
1767:
1768: unless (($status eq 'SHOW_ANSWER') || ($status eq 'CANNOT_ANSWER')) {
1769: if ($target ne 'tex') {
1770: $tdclass = 'LC_status_submit_'.$id;
1771: }
1772: }
1773:
1774: ($previousmsg,$latemessage,$message,$trystr) =
1775: &get_grade_messages($id,"resource.$id",$target,$status,
1776: $showbutton,$tdclass);
1777: if ($status eq 'CANNOT_ANSWER') {
1778: $showbutton = 0;
1779: }
1780: if ( $status eq 'SHOW_ANSWER') {
1781: undef($previousmsg);
1782: }
1783: if ( $showbutton ) {
1784: if ($target ne 'tex') {
1785: $button =
1786: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1787: type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit"
1788: value="'.&mt('Submit Answer').'" /> '.
1789: '<div id="msg_submit_'.$id.'" style="display:none">'.
1790: &mt('Processing your submission ...').'</div>';
1791: }
1792: }
1793:
1794: }
1795: my $output= $previousmsg.$latemessage.$message.$trystr;
1796: if ($output =~ /^\s*$/) {
1797: return $button;
1798: } else {
1799: if ($target eq 'tex') {
1800: return $button.' \vskip 0 mm '.$output.' ';
1801: } else {
1802: $output =
1803: '<table><tr><td>'.$button.'</td>'.$output;
1804: if ((!$no_previous) &&
1805: (($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') ||
1806: ($env{'request.role.adv'}))) {
1807: $output.='<td class="'.$tdclass.'">'.&previous_tries($id,$target).'</td>';
1808: }
1809: $output.= '</tr></table>';
1810: return $output;
1811: }
1812: }
1813: }
1814:
1815: sub previous_tries {
1816: my ($id,$target) = @_;
1817: my $output;
1818: my $status = $Apache::inputtags::status['-1'];
1819:
1820: my $count;
1821: my %count_lookup;
1822: my ($lastrndseed,$lasttype);
1823: my $numstamps = 0;
1824:
1825: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1826: my $prefix = $i.":resource.$id";
1827: my $is_anon;
1828: my $curr_type = $Apache::lonhomework::history{"$prefix.type"};
1829: if (defined($env{'form.grade_symb'})) {
1830: if (($curr_type eq 'anonsurvey') || ($curr_type eq 'anonsurveycred')) {
1831: $is_anon = 1;
1832: }
1833: }
1834: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1835: $count++;
1836: $count_lookup{$i} = $count;
1837: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1838: my ($previousmsg,$latemessage,$message,$trystr);
1839:
1840: ($previousmsg,$latemessage,$message,$trystr) =
1841: &get_grade_messages($id,"$prefix",$target,$status);
1842:
1843: if ($previousmsg ne '') {
1844: my ($match,$which) = &find_which_previous($i);
1845: $message=$previousmsg;
1846: my $previous = $count_lookup{$which};
1847: $message =~ s{(</td>)}{ as submission \# $previous $1};
1848: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1849: if (!(&Apache::lonhomework::hide_problem_status()
1850: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1851: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1852: ) {
1853:
1854: my $txt_correct = &mt('Correct');
1855: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1856: if ($awarded < 1 && $awarded > 0) {
1857: $txt_correct=&mt('Partially Correct');
1858: } elsif ($awarded < 1) {
1859: if ($awarded eq '') {
1860: $txt_correct='';
1861: } else {
1862: $txt_correct=&mt('Incorrect');
1863: }
1864: }
1865: $message =~ s{(<td.*?>)(.*?)(</td>)}
1866: {$1 <strong>$txt_correct</strong>. $3}s;
1867: }
1868: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1869: if (($curr_rndseed ne '') && ($lastrndseed ne '')) {
1870: if (($curr_rndseed ne $lastrndseed) &&
1871: (($curr_type eq 'randomizetry') || ($lasttype eq 'randomizetry'))) {
1872: $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>';
1873: }
1874: }
1875: $message =~ s{(</td>)}{ $trystr $1};
1876: }
1877: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1878: $message =~ s{(<td.*?>)}{<td>};
1879:
1880:
1881: $output .= '<tr class="'.$class.'">'.
1882: '<td align="center">'.$count.'</td>'.$message;
1883: if ((!$is_anon) && ($Apache::lonhomework::history{"$prefix.tries"}) &&
1884: ($Apache::lonhomework::history{"$prefix.award"} ne 'ASSIGNED_SCORE') &&
1885: ($Apache::lonhomework::history{$i.':timestamp'})) {
1886: $output .= '<td>'.&Apache::lonlocal::locallocaltime(
1887: $Apache::lonhomework::history{$i.':timestamp'}).'</td>';
1888: $numstamps ++;
1889: } else {
1890: $output .= '<td></td>';
1891: }
1892: foreach my $resid (@Apache::inputtags::response) {
1893: my $prefix = $prefix.".$resid";
1894: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1895: my $submission =
1896: $Apache::inputtags::submission_display{"$prefix.submission"};
1897: if (!defined($submission)) {
1898: $submission =
1899: $Apache::lonhomework::history{"$prefix.submission"};
1900: }
1901: if ($is_anon) {
1902: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1903: } else {
1904: $output.='<td>'.$submission.'</td>';
1905: }
1906: } else {
1907: $output.='<td></td>';
1908: }
1909: }
1910: $output.=&Apache::loncommon::end_data_table_row()."\n";
1911: $lastrndseed = $curr_rndseed;
1912: $lasttype = $curr_type;
1913: }
1914: return if ($output eq '');
1915: my $headers = '<tr>'.
1916: '<th>'.&mt('Submission #').'</th>'.
1917: '<th>'.&mt('Try').'</th><th>';
1918: if ($numstamps) {
1919: $headers .= &mt('When');
1920: }
1921: $headers .= '</th>';
1922: my $colspan = scalar(@Apache::inputtags::response);
1923: if ($colspan > 1) {
1924: $headers .= '<th colspan="'.$colspan.'">';
1925: } else {
1926: $headers .= '<th>';
1927: }
1928: $headers .= &mt('Submitted Answer').'</th></tr>';
1929: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1930:
1931: my $tries_text = &get_tries_text('link');
1932: my $prefix = $env{'form.request.prefix'};
1933: $prefix =~ tr{.}{_};
1934: my $function_name = 'LONCAPA_previous_tries_'.$prefix;
1935: if (($env{'request.state'} eq 'construct') || ($id =~ /\W/)) {
1936: $function_name .= $Apache::lonxml::curdepth;
1937: } else {
1938: $function_name .= $id;
1939: }
1940: $function_name .= '_'.$Apache::lonxml::counter;
1941: my $possmathjax = 1;
1942: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,
1943: &mt($tries_text),$possmathjax)."<br />";
1944: return $result;
1945: }
1946:
1947: sub get_tries_text {
1948: my ($context) = @_;
1949: my $tries_text;
1950: if ($context eq 'link') {
1951: $tries_text = 'Previous Tries';
1952: } else {
1953: $tries_text = 'Tries';
1954: }
1955: if ( $Apache::lonhomework::type eq 'survey' ||
1956: $Apache::lonhomework::type eq 'surveycred' ||
1957: $Apache::lonhomework::type eq 'anonsurvey' ||
1958: $Apache::lonhomework::type eq 'anonsurveycred' ||
1959: $Apache::lonhomework::parsing_a_task) {
1960: if ($context eq 'link') {
1961: $tries_text = 'Previous Submissions';
1962: } else {
1963: $tries_text = 'Submissions';
1964: }
1965: }
1966: return $tries_text;
1967: }
1968:
1969: sub spelling_languages {
1970: my %langchoices;
1971: foreach my $id (&Apache::loncommon::languageids()) {
1972: my $code = &Apache::loncommon::supportedlanguagecode($id);
1973: if ($code ne '') {
1974: $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
1975: }
1976: }
1977: my @spelllangs = ('none');
1978: foreach my $code ('en','de','he','es','fr','pt','tr') {
1979: push(@spelllangs,[$code,$langchoices{$code}]);
1980: }
1981: return \@spelllangs;
1982: }
1983:
1984: sub edit_mathresponse_button {
1985: my ($field) = @_;
1986: my $eqneditor = 'lcmath';
1987: if ($env{'browser.type'} eq 'safari') {
1988: if ($env{'browser.os'} eq 'mac') {
1989: my ($prefix,$version) = ($env{'browser.version'} =~ /^(\d*)(\d{3})\./);
1990: if ($env{'browser.mobile'}) {
1991: if (($version < 531) || (($prefix eq '') && ($version < 533))) {
1992: $eqneditor = '';
1993: }
1994: } elsif ($version < 533) {
1995: $eqneditor = 'dragmath';
1996: }
1997: } elsif ($env{'browser.os'} eq 'win') {
1998: if ($env{'browser.version'} < 533) {
1999: $eqneditor = 'dragmath';
2000: }
2001: }
2002: } elsif ($env{'browser.type'} eq 'explorer') {
2003: if ($env{'browser.version'} < 9) {
2004: $eqneditor = 'dragmath';
2005: }
2006: } elsif ($env{'browser.type'} eq 'mozilla') {
2007: if ($env{'browser.version'} < 5) {
2008: $eqneditor = 'dragmath';
2009: } else {
2010: if ($env{'browser.info'} =~ /^firefox\-([\d\.]+)/) {
2011: my $firefox = $1;
2012: if ($firefox < 4) {
2013: $eqneditor = 'dragmath';
2014: }
2015: }
2016: }
2017: } elsif ($env{'browser.type'} eq 'chrome') {
2018: if ($env{'browser.version'} < 5) {
2019: $eqneditor = 'dragmath';
2020: }
2021: } elsif ($env{'browser.type'} eq 'opera') {
2022: if ($env{'browser.version'} < 12) {
2023: $eqneditor = 'dragmath';
2024: }
2025: }
2026: if ($eqneditor eq 'lcmath') {
2027: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
2028: if (exists($env{'course.'.$env{'request.course.id'}.'.uselcmath'})) {
2029: if ($env{'course.'.$env{'request.course.id'}.'.uselcmath'} eq '0') {
2030: $eqneditor = 'dragmath';
2031: }
2032: } else {
2033: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
2034: if ($domdefs{'uselcmath'} eq '0') {
2035: $eqneditor = 'dragmath';
2036: }
2037: }
2038: } else {
2039: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
2040: if ($domdefs{'uselcmath'} eq '0') {
2041: $eqneditor = 'dragmath';
2042: }
2043: }
2044: }
2045: if ($eqneditor eq 'dragmath') {
2046: # DragMath applet
2047: my $button=&mt('Edit Answer');
2048: # my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
2049: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
2050: return(<<ENDFORMULABUTTON);
2051: <script type="text/javascript" language="JavaScript">
2052: function LC_mathedit_${field} (LCtextline) {
2053: thenumber = LCtextline;
2054: var thedata = '';
2055: if (document.getElementById(LCtextline)) {
2056: thedata = document.getElementById(LCtextline).value;
2057: }
2058: newwin = window.open("/adm/dragmath/MaximaPopup.html","","width=565,height=400,resizable");
2059: }
2060: </script>
2061: <a href="javascript:LC_mathedit_${field}('${field}');void(0);"><img class="stift" src="$iconpath/stift.gif" alt="$button" title="$button" /></a>
2062: ENDFORMULABUTTON
2063: } elsif ($eqneditor eq 'lcmath') {
2064: # LON-CAPA math equation editor
2065: my $mathjaxjs;
2066: unless (lc(&Apache::lontexconvert::tex_engine()) eq 'mathjax') {
2067: $mathjaxjs = <<"MATHJAX_SCRIPT";
2068: var mathjaxscript = document.createElement("script");
2069: mathjaxscript.type = "text/javascript";
2070: mathjaxscript.src = "/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML";
2071: document.body.appendChild(mathjaxscript);
2072: MATHJAX_SCRIPT
2073: }
2074: return(<<EQ_EDITOR_SCRIPT);
2075: <script type="text/javascript">
2076: var LCmathField = document.getElementById('${field}');
2077: LCmathField.className += ' math'; // note the space
2078: LCmathField.setAttribute('data-implicit_operators', 'true');
2079: var LCMATH_started;
2080: if (typeof LCMATH_started === 'undefined') {
2081: $mathjaxjs
2082: LCMATH_started = true;
2083: var script = document.createElement("script");
2084: script.type = "text/javascript";
2085: script.src = "/adm/LC_math_editor/LC_math_editor.min.js";
2086: document.body.appendChild(script);
2087: window.addEventListener('load', function(e) {
2088: LCMATH.initEditors();
2089: }, false);
2090: }
2091: </script>
2092: EQ_EDITOR_SCRIPT
2093: }
2094: }
2095:
2096: 1;
2097: __END__
2098:
2099: =pod
2100:
2101: =back
2102:
2103: =cut
2104:
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