1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.333.2.12.2.2 2023/02/05 01:52:21 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: my $input_tag_id = $itemid.'_'.$input_id;
464: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
465: $name = "none";
466: }
467: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
468: . ' onfocus="javascript:disableAutoComplete(\''.$input_tag_id.'\');"'
469: . ' type="text" '.$readonly.' name="'. $name . '"'
470: . ' id="' . $input_tag_id . '"'
471: . ' value="'. $oldresponse.'"'
472: . ' class="LC_textline spellchecked" size="'.$size.'"'.$maxlength.' />';
473:
474: $result .= &spellcheck_onblur($itemid, $spellcheck);
475: if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') &&
476: (((($tagstack->[-2] eq 'formularesponse') || ($tagstack->[-2] eq 'mathresponse')) &&
477: (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) ||
478: (($tagstack->[-2] eq 'customresponse') &&
479: (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') eq 'no')))) {
480: $result.=&edit_mathresponse_button($input_tag_id);
481: }
482: }
483: if ($Apache::lonhomework::type eq 'exam'
484: && &needs_exam_box($tagstack)) {
485: $result.=&exam_box($target);
486: }
487: } else {
488: #right or wrong don't show what was last typed in.
489: my $count = scalar(@Apache::inputtags::inputlist)-1;
490: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
491: #$result='';
492: }
493: } elsif ($target eq 'edit') {
494: $result=&Apache::edit::tag_start($target,$token);
495: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
496: &Apache::edit::text_arg('Click-On Texts (comma sep):',
497: 'addchars',$token,10);
498: $result.=&Apache::edit::select_arg('Readonly:','readonly',
499: ['no','yes'],$token);
500: my $spell_langs = &spelling_languages();
501: $result.=&Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
502: $spell_langs, $token);
503: $result.=&Apache::edit::end_row();
504: $result.=&Apache::edit::end_table();
505: } elsif ($target eq 'modified') {
506: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
507: $safeeval,'size',
508: 'addchars','readonly', 'spellcheck');
509: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
510: } elsif ($target eq 'tex'
511: && $Apache::lonhomework::type ne 'exam') {
512: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
513: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
514: if ($env{'form.pdfFormFields'} eq 'yes'
515: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
516: my $fieldname = $env{'request.symb'}.
517: '&part_'. $Apache::inputtags::part.
518: '&textresponse'.
519: '&HWVAL_' . $Apache::inputtags::response['-1'];
520: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
521: } else {
522: $result='\framebox['.$size.'][s]{\tiny\strut}';
523: }
524: } elsif ($target eq 'tex'
525: && $Apache::lonhomework::type eq 'exam'
526: && &needs_exam_box($tagstack)) {
527: $result.=&exam_box($target);
528: }
529: return $result;
530: }
531:
532: sub end_textline {
533: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
534: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
535: elsif ($target eq 'edit') { return ('','no'); }
536: &end_input();
537: return "";
538: }
539:
540: sub start_hiddenline {
541: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
542: my $result = "";
543: my $input_id = &start_input($parstack,$safeeval);
544: if ($target eq 'web') {
545: $Apache::lonxml::evaluate--;
546: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
547: my $partid=$Apache::inputtags::part;
548: my $id=$Apache::inputtags::response[-1];
549: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
550: if (ref($oldresponse) eq 'ARRAY') {
551: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
552: }
553: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
554:
555: if ($Apache::lonhomework::type ne 'exam') {
556: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
557: $oldresponse.'" />';
558: }
559: }
560: } elsif ($target eq 'edit') {
561: $result=&Apache::edit::tag_start($target,$token);
562: $result.=&Apache::edit::end_table;
563: }
564:
565: if ( ($target eq 'web' || $target eq 'tex')
566: && $Apache::lonhomework::type eq 'exam'
567: && &needs_exam_box($tagstack)) {
568: $result.=&exam_box($target);
569: }
570: return $result;
571: }
572:
573: sub end_hiddenline {
574: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
575: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
576: elsif ($target eq 'edit') { return ('','no'); }
577: &end_input();
578: return "";
579: }
580:
581:
582: sub start_hiddensubmission {
583: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
584: my $result = "";
585: my $input_id = &start_input($parstack,$safeeval);
586: if ($target eq 'web') {
587: $Apache::lonxml::evaluate--;
588: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
589: my $partid=$Apache::inputtags::part;
590: my $id=$Apache::inputtags::response[-1];
591: if ($Apache::lonhomework::type ne 'exam') {
592: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
593: $value = &HTML::Entities::encode($value,'<>&"');
594: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
595: }
596: }
597: } elsif ($target eq 'edit') {
598: $result=&Apache::edit::tag_start($target,$token);
599: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
600: $result.=&Apache::edit::end_row();
601: $result.=&Apache::edit::end_table();
602: } elsif ($target eq 'modified') {
603: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
604: $safeeval,'value');
605: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
606: }
607:
608: if ( ($target eq 'web' || $target eq 'tex')
609: && $Apache::lonhomework::type eq 'exam'
610: && &needs_exam_box($tagstack)) {
611: $result.=&exam_box($target);
612: }
613: return $result;
614: }
615:
616: sub end_hiddensubmission {
617: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
618: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
619: elsif ($target eq 'edit') { return ('','no'); }
620: &end_input();
621: return "";
622: }
623:
624: =pod
625:
626: =item file_selector()
627:
628: $part -> partid
629: $id -> responseid
630: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
631: $which -> 'uploadonly' -> only newly uploaded files
632: 'portfolioonly' -> only allow files from portfolio
633: 'both' -> allow files from either location
634: $extratext -> additional text to go between the link and the input box
635: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
636: returns a table row <tr>
637:
638: =cut
639:
640: sub file_selector {
641: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
642: if (!$uploadedfiletypes) { return ''; }
643:
644: my $jspart=$part;
645: $jspart=~s/\./_/g;
646:
647: my $result;
648: my $current_files_display = ¤t_file_submissions($part,$id);
649: my $addfiles;
650: if ($current_files_display) {
651: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
652: $current_files_display.
653: &Apache::lonhtmlcommon::row_closure();
654: $addfiles = &mt('Submit other file(s)');
655: } else {
656: $addfiles = &mt('Choose file(s) to submit');
657: }
658: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
659: my $constraints;
660: if ($uploadedfiletypes ne '*') {
661: $constraints =
662: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
663: }
664: if ($maxfilesize) {
665: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB.',
666: '<b>'.$maxfilesize.'</b>').'<br />';
667: }
668: if ($constraints) {
669: $result .= $constraints.'<br />';
670: }
671: if ($which eq 'uploadonly' || $which eq 'both') {
672: my $free_space = $maxfilesize * 1048576;
673: $result .= &mt('Submit a file: (only one file per submission)').
674: ' <br /><input type="file" size="50" name="HWFILE'.$jspart.'_'.$id.
675: '" id="HWFILE'.$jspart.'_'.$id.'" class="LC_flUpload LC_hwkfile" />'.
676: '<input type="hidden" id="LC_free_space_'.$jspart.'_'.$id.'"'.
677: ' value="'.$free_space.'" /><br />';
678: }
679: if ( $which eq 'both') {
680: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
681: }
682: if ($which eq 'portfolioonly' || $which eq 'both') {
683: my $symb = $env{'request.symb'};
684: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
685: my $showsymb;
686: # If resource is a .task and URL is unencrypted, include symb in query string
687: # for url opened in portfolio file selection window. Can be used to override
688: # blocking of portfolio access resulting from an exam event in a different course.
689: if ($res =~ /\.task$/i) {
690: my $encsymb = &Apache::lonenc::check_encrypt($symb);
691: if ($symb eq $encsymb) {
692: $showsymb = $symb;
693: }
694: }
695: $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"))'."'".'>'.
696: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
697: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
698: '<br />';
699: }
700: $result.=&Apache::lonhtmlcommon::row_closure(1);
701: return $result;
702: }
703:
704: sub current_file_submissions {
705: my ($part,$id) = @_;
706: my $jspart=$part;
707: $jspart=~s/\./_/g;
708: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
709: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
710: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
711: my $header = &portpath_popup_js().
712: &Apache::loncommon::start_data_table().
713: &Apache::loncommon::start_data_table_header_row();
714: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
715: $header .= '<th>'.&mt('Delete?').'</th>';
716: }
717: $header .= '<th>'.&mt('File').'</th>'.
718: '<th>'.&mt('Size (MB)').'</th>'.
719: '<th>'.&mt('Last Modified').'</th>'.
720: &Apache::loncommon::end_data_table_header_row();
721: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
722: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
723: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
724: if ($uploadedfile) {
725: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
726: my $link = &HTML::Entities::encode($url,'<>&"');
727: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
728: my ($status,$hashref,$error) =
729: ¤t_file_info($url,$link,$name,$path);
730: if ($status eq 'ok') {
731: push(@{$okfiles{$name}},$url);
732: $rows{$url} = $hashref;
733: $legacy{$url} = 1;
734: &Apache::lonxml::extlink($url);
735: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
736: } else {
737: push(@bad_file_list,$error);
738: }
739: }
740: if ($portfiles =~ /[^\s]/) {
741: my $prefix = "/uploaded/$udom/$uname/portfolio";
742: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
743: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
744: my $url = $prefix.$path.$name;
745: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
746: my ($status,$hashref,$error) =
747: ¤t_file_info($url,$uploadedfile,$name,$path);
748: if ($status eq 'ok') {
749: push(@{$okfiles{$name}},$url);
750: $rows{$url} = $hashref;
751: } else {
752: push(@bad_file_list,$error);
753: }
754: }
755: }
756: my $num = 0;
757: foreach my $name (sort(keys(%okfiles))) {
758: if (ref($okfiles{$name}) eq 'ARRAY') {
759: foreach my $url (@{$okfiles{$name}}) {
760: if (ref($rows{$url}) eq 'HASH') {
761: my $link = $rows{$url}{link};
762: my $portfile = $rows{$url}{path}.$rows{$url}{name};
763: $portfile = &HTML::Entities::encode($portfile,'<>&"');
764: if ($link) {
765: my $icon=&Apache::loncommon::icon($url);
766: unless ($header_shown) {
767: $result .= $header;
768: $header_shown = 1;
769: }
770: $result.=
771: &Apache::loncommon::start_data_table_row()."\n";
772: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
773: $result .=
774: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
775: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
776: $num ++;
777: }
778: my $pathid = 'HWFILE'.$jspart.'_'.$id.'_'.$num.'_path';
779: my $pathidtext = $pathid.'text';
780: my ($showname,$showpath);
781: if ($legacy{$url}) {
782: $showname = $name.' '.&mt('not in portfolio');
783: } else {
784: $showname = $name;
785: $showpath = '<br />'.
786: '<span id="'.$pathidtext.'" class="LC_cusr_subheading">'.
787: '<a href="javascript:showPortPath('."'$pathid','$pathidtext'".');" '.
788: 'class="LC_menubuttons_link">'.
789: &mt('(Show path)').'</a></span>'.
790: '<div id="'.$pathid.'" class="LC_dccid">'.$rows{$url}{path}.$name.
791: '</div>';
792: }
793: $result .=
794: '<td><a href="'.$link.'"><img src="'.$icon.
795: '" border="0" alt="" />'.$showname.'</a>'.$showpath.'</td>'."\n".
796: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
797: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
798: &Apache::loncommon::end_data_table_row();
799: }
800: }
801: }
802: }
803: }
804: if ($header_shown) {
805: $result .= &Apache::loncommon::end_data_table();
806: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
807: $result .= '<br /><span class="LC_warning">'.
808: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
809: }
810: }
811: if (@bad_file_list) {
812: my $bad_files = '<span class="LC_filename">'.
813: join('</span>, <span class="LC_filename">',@bad_file_list).
814: '</span>';
815: $result.='<p class="LC_error">'.
816: &mt("These file(s) don't exist: [_1]",$bad_files).
817: '</p>';
818: }
819: return $result;
820: }
821:
822: sub current_file_info {
823: my ($url,$uploadedfile,$name,$path) = @_;
824: my ($status,$error,%info);
825: my @stat = &Apache::lonnet::stat_file($url);
826: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
827: my ($lastmod,$size);
828: if ($stat[9] =~ /^\d+$/) {
829: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
830: }
831: $size = $stat[7]/(1024*1024);
832: $size = sprintf("%.3f",$size);
833: %info = (
834: link => $uploadedfile,
835: name => $name,
836: path => $path,
837: size => $size,
838: lastmodified => $lastmod,
839: );
840: $status = 'ok';
841: } else {
842: &Apache::lonnet::logthis("bad file is $url");
843: my $icon=&Apache::loncommon::icon($url);
844: $error = '<a href="'.$url.'"><img src="'.$icon.
845: '" border="0" />'.$uploadedfile.'</a>';
846: }
847: return ($status,\%info,$error);
848: }
849:
850: sub portpath_popup_js {
851: my %lt = &Apache::lonlocal::texthash(
852: show => '(Show path)',
853: hide => '(Hide)',
854: );
855: return <<"END";
856: <script type="text/javascript">
857: // <![CDATA[
858:
859: function showPortPath(id,idtext) {
860: document.getElementById(id).style.display='block';
861: document.getElementById(id).style.textAlign='left';
862: document.getElementById(id).style.textFace='normal';
863: if (document.getElementById(idtext)) {
864: document.getElementById(idtext).innerHTML ='<a href="javascript:hidePortPath(\\''+id+'\\',\\''+idtext+'\\'); '+
865: '"class="LC_menubuttons_link">$lt{'hide'}</a> ';
866: }
867: return;
868: }
869:
870: function hidePortPath(id,idtext) {
871: if (document.getElementById(id)) {
872: document.getElementById(id).style.display='none';
873: }
874: if (document.getElementById(idtext)) {
875: document.getElementById(idtext).innerHTML ='<a href="javascript:showPortPath(\\''+id+'\\',\\''+idtext+'\\');" '+
876: 'class="LC_menubuttons_link">$lt{'show'}</a>';
877: }
878: return;
879: }
880:
881: // ]]>
882: </script>
883:
884: END
885: }
886:
887: sub valid_award {
888: my ($award) =@_;
889: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
890: 'NO_RESPONSE','WRONG_NUMBOXESCHECKED',
891: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
892: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
893: 'UNIT_FAIL', 'NO_UNIT',
894: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
895: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
896: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
897: 'MISORDERED_RANK', 'INVALID_FILETYPE',
898: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
899: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
900: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
901: 'ASSIGNED_SCORE', 'APPROX_ANS',
902: 'EXACT_ANS','COMMA_FAIL') {
903: if ($award eq $possibleaward) { return 1; }
904: }
905: return 0;
906: }
907:
908: {
909: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
910: 'WRONG_NUMBOXESCHECKED','TOO_LONG',
911: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
912: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
913: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
914: 'WRONG_FORMAT', 'INTERNAL_ERROR',
915: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
916: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
917: 'DRAFT', 'SUBMITTED',
918: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
919: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
920: my $i=0;
921: my %fwd_awards = map { ($_,$i++) } @awards;
922: my $max=scalar(@awards);
923: @awards=reverse(@awards);
924: $i=0;
925: my %rev_awards = map { ($_,$i++) } @awards;
926:
927: sub awarddetail_to_awarded {
928: my ($awarddetail) = @_;
929: if ($awarddetail eq 'EXACT_ANS'
930: || $awarddetail eq 'APPROX_ANS') {
931: return 1;
932: }
933: return 0;
934: }
935:
936: sub hide_award {
937: my ($award) = @_;
938: if (&Apache::lonhomework::show_no_problem_status()) {
939: return 1;
940: }
941: if ($award =~
942: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
943: return 1;
944: }
945: return 0;
946: }
947:
948: sub finalizeawards {
949: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
950: my $result;
951: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
952: if ($result eq '' ) {
953: my $blankcount;
954: foreach my $award (@$awardref) {
955: if ($award eq '') {
956: $result='MISSING_ANSWER';
957: $blankcount++;
958: }
959: }
960: if ($blankcount == ($#$awardref + 1)) {
961: return ('NO_RESPONSE');
962: }
963: }
964:
965: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
966:
967: if (!$final_scantron && defined($result)) { return ($result); }
968:
969: # if in scantron mode, if the award for any response is
970: # assigned score, then the part gets an assigned score
971: if ($final_scantron
972: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
973: return ('ASSIGNED_SCORE');
974: }
975:
976: # if in scantron mode, if the award for any response is
977: # correct and there are non-correct responses,
978: # then the part gets an assigned score
979: if ($final_scantron
980: && (grep { $_ eq 'EXACT_ANS' ||
981: $_ eq 'APPROX_ANS' } (@$awardref))
982: && (grep { $_ ne 'EXACT_ANS' &&
983: $_ ne 'APPROX_ANS' } (@$awardref))) {
984: return ('ASSIGNED_SCORE');
985: }
986: # these awards are ordered from most important error through best correct
987: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
988:
989: my $best = $max;
990: my $j=0;
991: my $which;
992: foreach my $award (@$awardref) {
993: if ($awards->{$award} < $best) {
994: $best = $awards->{$award};
995: $which = $j;
996: }
997: $j++;
998: }
999:
1000: # if at least one response item is set to include lenient grading
1001: # and that item is partially correct then overall award reflects
1002: # that, unless an award for one of the other response items does
1003: # not fall within the basic awards for correct or incorrect.
1004: if ($Apache::inputtags::leniency) {
1005: if (($$awardref[$which] eq 'INCORRECT')
1006: && (grep { $_ eq 'EXACT_ANS' ||
1007: $_ eq 'APPROX_ANS' ||
1008: $_ eq 'ASSIGNED_SCORE' } (@$awardref))
1009: && !((grep { $_ ne 'INCORRECT' &&
1010: $_ ne 'EXACT_ANS' &&
1011: $_ ne 'APPROX_ANS' &&
1012: $_ ne 'ASSIGNED_SCORE' } (@$awardref)))) {
1013: return ('ASSIGNED_SCORE');
1014: }
1015: }
1016:
1017: if (defined($which)) {
1018: if (ref($nameref)) {
1019: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
1020: } else {
1021: return ($$awardref[$which],$$msgref[$which]);
1022: }
1023: }
1024: return ('ERROR',undef);
1025: }
1026: }
1027:
1028: sub decideoutput {
1029: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect,$tdclass)=@_;
1030:
1031: my $message='';
1032: my $button=0;
1033: my $previousmsg;
1034: my $css_class='orange';
1035: my $added_computer_text=0;
1036: my %possible_class =
1037: ( 'correct' => 'LC_answer_correct',
1038: 'charged_try' => 'LC_answer_charged_try',
1039: 'not_charged_try' => 'LC_answer_not_charged_try',
1040: 'no_grade' => 'LC_answer_no_grade',
1041: 'no_message' => 'LC_no_message',
1042: 'no_charge_warn' => 'LC_answer_warning',
1043: );
1044:
1045: my $part = $Apache::inputtags::part;
1046: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
1047: my $handgrade = ('yes' eq lc($tohandgrade));
1048: #
1049: # Should "Computer's Answer" be displayed?
1050: # Should not be displayed if still answerable,
1051: # if the problem is handgraded,
1052: # or if the problem does not give a correct answer
1053: #
1054:
1055: my $computer = ($handgrade || $nocorrect)? ''
1056: : &mt("Computer's answer now shown above.");
1057: &Apache::lonxml::debug("handgrade has :$handgrade:");
1058:
1059: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
1060:
1061: if ($solved =~ /^correct/) {
1062: $css_class=$possible_class{'correct'};
1063: $message=&mt('You are correct.');
1064: if ($awarded < 1 && $awarded > 0) {
1065: $message=&mt('You are partially correct.');
1066: $css_class=$possible_class{'not_charged_try'};
1067: } elsif ($awarded < 1) {
1068: $message=&mt('Incorrect.');
1069: $css_class=$possible_class{'charged_try'};
1070: }
1071: if ($handgrade ||
1072: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
1073: $message = &mt("A score has been assigned.");
1074: $added_computer_text=1;
1075: } else {
1076: if ($target eq 'tex') {
1077: $message = '\textbf{'.$message.'}';
1078: } else {
1079: $message = "<b>".$message."</b>";
1080: if ($computer) {
1081: $message = "$computer $message";
1082: }
1083: }
1084: $added_computer_text=1;
1085: if ($awarded > 0) {
1086: my ($symb) = &Apache::lonnet::whichuser();
1087: if (($symb ne '')
1088: &&
1089: ($env{'course.'.$env{'request.course.id'}.
1090: '.disable_receipt_display'} ne 'yes') &&
1091: ($Apache::lonhomework::type ne 'practice')) {
1092: $message.=(($target eq 'web')?'<br />':' ').
1093: &mt('Your receipt no. is [_1]',
1094: (&Apache::lonnet::receipt($Apache::inputtags::part).
1095: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1096: }
1097: }
1098: }
1099: if ($awarded >= 1) {
1100: $button=0;
1101: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
1102: $button=0;
1103: } else {
1104: $button=1;
1105: }
1106: $previousmsg='';
1107: } elsif ($solved =~ /^excused/) {
1108: if ($target eq 'tex') {
1109: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
1110: } else {
1111: $message = "<b>".&mt('You are excused from the problem.')."</b>";
1112: }
1113: $css_class=$possible_class{'charged_try'};
1114: $button=0;
1115: $previousmsg='';
1116: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1117: if ($solved =~ /^incorrect/ || $solved eq '') {
1118: $message = &mt("Incorrect").".";
1119: $css_class=$possible_class{'charged_try'};
1120: $button=1;
1121: } else {
1122: if ($target eq 'tex') {
1123: $message = '\textbf{'.&mt('You are correct.').'}';
1124: } else {
1125: $message = "<b>".&mt('You are correct.')."</b>";
1126: if ($computer) {
1127: $message = "$computer $message";
1128: }
1129: }
1130: $added_computer_text=1;
1131: if ($awarded > 0
1132: && $env{'course.'.
1133: $env{'request.course.id'}.
1134: '.disable_receipt_display'} ne 'yes') {
1135: $message.=(($target eq 'web')?'<br />':' ').
1136: &mt('Your receipt is [_1]',
1137: (&Apache::lonnet::receipt($Apache::inputtags::part).
1138: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1139: }
1140: $css_class=$possible_class{'correct'};
1141: $button=0;
1142: $previousmsg='';
1143: }
1144: } elsif ($award eq 'NO_RESPONSE') {
1145: $message = '';
1146: $css_class=$possible_class{'no_feedback'};
1147: $button=1;
1148: } elsif ($award eq 'EXTRA_ANSWER') {
1149: $message = &mt('Some extra items were submitted.');
1150: $css_class=$possible_class{'not_charged_try'};
1151: $button = 1;
1152: } elsif ($award eq 'MISSING_ANSWER') {
1153: $message = &mt('Some items were not submitted.');
1154: if ($target ne 'tex') {
1155: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1156: }
1157: if (&Apache::lonhomework::show_some_problem_status()) {
1158: $css_class=$possible_class{'no_charge_warn'};
1159: } else {
1160: $css_class=$possible_class{'not_charged_try'};
1161: }
1162: $button = 1;
1163: } elsif ($award eq 'WRONG_NUMBOXESCHECKED') {
1164: $message = &mt('Number of boxes checked outside permissible range (either too few or too many).');
1165: if ($target ne 'tex') {
1166: $message .= &Apache::loncommon::help_open_topic('Wrong_Num_Boxes_Checked');
1167: }
1168: $css_class=$possible_class{'not_charged_try'};
1169: $button = 1;
1170: } elsif ($award eq 'ERROR') {
1171: $message = &mt('An error occurred while grading your answer.');
1172: $css_class=$possible_class{'not_charged_try'};
1173: $button = 1;
1174: } elsif ($award eq 'TOO_LONG') {
1175: $message = &mt("The submitted answer was too long.");
1176: $css_class=$possible_class{'not_charged_try'};
1177: $button=1;
1178: } elsif ($award eq 'WANTED_NUMERIC') {
1179: $message = &mt("This question expects a numeric answer.");
1180: $css_class=$possible_class{'not_charged_try'};
1181: $button=1;
1182: } elsif ($award eq 'MISORDERED_RANK') {
1183: $message = &mt('You have provided an invalid ranking.');
1184: if ($target ne 'tex') {
1185: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1186: }
1187: $css_class=$possible_class{'not_charged_try'};
1188: $button=1;
1189: } elsif ($award eq 'EXCESS_FILESIZE') {
1190: $message = &mt("Submission won't be graded. The combined size of submitted files exceeded the amount allowed.");
1191: $css_class=$possible_class{'not_charged_try'};
1192: $button=1;
1193: } elsif ($award eq 'FILENAME_INUSE') {
1194: $message = &mt('You have already uploaded a file with that filename.');
1195: if ($target eq 'tex') {
1196: $message.= "\\\\\n";
1197: } else {
1198: $message .= '<br />';
1199: }
1200: $message .= &mt('Please use a different filename.');
1201: $css_class=$possible_class{'not_charged_try'};
1202: $button=1;
1203: } elsif ($award eq 'INVALID_FILETYPE') {
1204: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1205: $css_class=$possible_class{'not_charged_try'};
1206: $button=1;
1207: } elsif ($award eq 'SIG_FAIL') {
1208: my ($used,$min,$max)=split(':',$awardmsg);
1209: my $word = ($used < $min) ? 'more' : 'fewer';
1210: $message = &mt("Submission not graded. Use $word significant figures.");
1211: if (&Apache::lonhomework::show_some_problem_status()) {
1212: $css_class=$possible_class{'no_charge_warn'};
1213: } else {
1214: $css_class=$possible_class{'not_charged_try'};
1215: }
1216: $button=1;
1217: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1218: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1219: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1220: $css_class=$possible_class{'not_charged_try'};
1221: $button=1;
1222: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1223: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1224: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1225: if (&Apache::lonhomework::show_some_problem_status()) {
1226: $css_class=$possible_class{'no_charge_warn'};
1227: } else {
1228: $css_class=$possible_class{'not_charged_try'};
1229: }
1230: $button=1;
1231: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1232: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1233: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1234: if (&Apache::lonhomework::show_some_problem_status()) {
1235: $css_class=$possible_class{'no_charge_warn'};
1236: } else {
1237: $css_class=$possible_class{'not_charged_try'};
1238: }
1239: $button=1;
1240: } elsif ($award eq 'UNIT_NOTNEEDED') {
1241: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1242: if (&Apache::lonhomework::show_some_problem_status()) {
1243: $css_class=$possible_class{'no_charge_warn'};
1244: } else {
1245: $css_class=$possible_class{'not_charged_try'};
1246: }
1247: $button=1;
1248: } elsif ($award eq 'NO_UNIT') {
1249: $message = &mt("Units required").'.';
1250: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1251: if (&Apache::lonhomework::show_some_problem_status()) {
1252: $css_class=$possible_class{'no_charge_warn'};
1253: } else {
1254: $css_class=$possible_class{'not_charged_try'};
1255: }
1256: $button=1;
1257: } elsif ($award eq 'COMMA_FAIL') {
1258: $message = &mt("Proper comma separation is required").'.';
1259: $css_class=$possible_class{'not_charged_try'};
1260: $button=1;
1261: } elsif ($award eq 'BAD_FORMULA') {
1262: $message = &mt("Unable to understand formula").'.';
1263: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1264: $css_class=$possible_class{'not_charged_try'};
1265: $button=1;
1266: } elsif ($award eq 'NOT_FUNCTION') {
1267: $message = &mt("Not a function").'.';
1268: $css_class=$possible_class{'not_charged_try'};
1269: $button=1;
1270: } elsif ($award eq 'WRONG_FORMAT') {
1271: $message = &mt("Wrong format").'.';
1272: $css_class=$possible_class{'not_charged_try'};
1273: $button=1;
1274: } elsif ($award eq 'INTERNAL_ERROR') {
1275: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1276: $css_class=$possible_class{'not_charged_try'};
1277: $button=1;
1278: } elsif ($award eq 'INCORRECT') {
1279: $message = &mt("Incorrect").'.';
1280: $css_class=$possible_class{'charged_try'};
1281: $button=1;
1282: } elsif ($award eq 'SUBMITTED') {
1283: $message = &mt("Your submission has been recorded.");
1284: $css_class=$possible_class{'no_grade'};
1285: $button=1;
1286: } elsif ($award eq 'SUBMITTED_CREDIT') {
1287: $message = &mt("Your submission has been recorded, and credit awarded.");
1288: $css_class=$possible_class{'correct'};
1289: $button=1;
1290: } elsif ($award eq 'ANONYMOUS') {
1291: $message = &mt("Your anonymous submission has been recorded.");
1292: $css_class=$possible_class{'no_grade'};
1293: $button=1;
1294: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1295: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1296: $css_class=$possible_class{'correct'};
1297: $button=1;
1298: } elsif ($award eq 'DRAFT') {
1299: $message = &mt("Copy saved but not submitted.");
1300: $css_class=$possible_class{'not_charged_try'};
1301: $button=1;
1302: } elsif ($award eq 'ASSIGNED_SCORE') {
1303: $message = &mt("A score has been assigned.");
1304: $css_class=$possible_class{'correct'};
1305: $button=0;
1306: } elsif ($award eq '') {
1307: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1308: $message = &mt("Nothing submitted.");
1309: $css_class=$possible_class{'charged_try'};
1310: } else {
1311: $css_class=$possible_class{'not_charged_try'};
1312: }
1313: $button=1;
1314: } else {
1315: $message = &mt("Unknown message").": $award";
1316: $button=1;
1317: }
1318: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1319: foreach my $resid(@Apache::inputtags::response){
1320: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1321: if ($target eq 'tex') {
1322: $message.= "\\\\\n";
1323: } else {
1324: $message.='<br />';
1325: }
1326: my @files = split(/\s*,\s*/,
1327: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1328: my $file_msg;
1329: foreach my $file (@files) {
1330: if ($target eq 'tex') {
1331: $file_msg.= "\\\\\n".$file;
1332: } else {
1333: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1334: }
1335: }
1336: $message .= &mt('Returned file(s): [_1]',$file_msg);
1337: if ($target eq 'tex') {
1338: $message.= "\\\\\n";
1339: } else {
1340: $message.='<br />';
1341: }
1342: }
1343: }
1344:
1345: if (&Apache::lonhomework::hide_problem_status()
1346: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1347: && &hide_award($award)) {
1348: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1349: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1350: if ($interval[0] =~ /\d+/) {
1351: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1352: if (defined($first_access)) {
1353: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1354: my ($timelimit) = ($interval[0] =~ /^(\d+)/);
1355: unless (($due_date) && ($due_date < $first_access + $timelimit)) {
1356: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1357: }
1358: }
1359: }
1360: $css_class=$possible_class{'no_grade'};
1361: $button=1;
1362: }
1363: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1364: !$added_computer_text && $target ne 'tex') {
1365: if ($computer) {
1366: $message = "$computer $message";
1367: }
1368: $added_computer_text=1;
1369: }
1370: if ($Apache::lonhomework::type eq 'practice') {
1371: if ($target eq 'web') {
1372: $message .= '<br />';
1373: } else {
1374: $message .= ' ';
1375: }
1376: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1377: }
1378: return ($button,$css_class,$message,$previousmsg);
1379: }
1380:
1381: sub markup_unit {
1382: my ($unit,$target)=@_;
1383: if ($target eq 'tex') {
1384: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1385: } else {
1386: return "<tt>".$unit."</tt>";
1387: }
1388: }
1389:
1390: sub removealldata {
1391: my ($id)=@_;
1392: foreach my $key (keys(%Apache::lonhomework::results)) {
1393: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1394: &Apache::lonxml::debug("Removing $key");
1395: delete($Apache::lonhomework::results{$key});
1396: }
1397: }
1398: }
1399:
1400: sub hidealldata {
1401: my ($id)=@_;
1402: foreach my $key (keys(%Apache::lonhomework::results)) {
1403: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1404: &Apache::lonxml::debug("Hidding $key");
1405: my $newkey=$key;
1406: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1407: $Apache::lonhomework::results{$newkey}=
1408: $Apache::lonhomework::results{$key};
1409: delete($Apache::lonhomework::results{$key});
1410: }
1411: }
1412: }
1413:
1414: sub setgradedata {
1415: my ($award,$msg,$id,$previously_used) = @_;
1416: if ($Apache::lonhomework::scantronmode &&
1417: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1418: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1419: } elsif ($Apache::lonhomework::scantronmode &&
1420: $env{'form.CODE'} eq '' &&
1421: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1422: $Apache::lonhomework::results{"resource.CODE"}='';
1423: }
1424:
1425: if (!$Apache::lonhomework::scantronmode &&
1426: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1427: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1428: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1429: return '';
1430: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1431: || $Apache::lonhomework::scantronmode
1432: || &Apache::lonhomework::hide_problem_status() ) {
1433: # the student doesn't already have it correct,
1434: # or we are in a mode (scantron orno problem status) where a correct
1435: # can become incorrect
1436: # handle assignment of tries and solved status
1437: my $solvemsg;
1438: if ($Apache::lonhomework::scantronmode) {
1439: $solvemsg='correct_by_scantron';
1440: } else {
1441: $solvemsg='correct_by_student';
1442: }
1443: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1444: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1445: }
1446: if ( $award eq 'ASSIGNED_SCORE') {
1447: $Apache::lonhomework::results{"resource.$id.tries"} =
1448: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1449: $Apache::lonhomework::results{"resource.$id.solved"} =
1450: $solvemsg;
1451: my $numawards=scalar(@Apache::inputtags::response);
1452: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1453: foreach my $res (@Apache::inputtags::response) {
1454: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1455: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1456: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1457: } else {
1458: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1459: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1460: }
1461: }
1462: if ($numawards > 0) {
1463: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1464: $numawards;
1465: }
1466: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1467: $Apache::lonhomework::results{"resource.$id.tries"} =
1468: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1469: $Apache::lonhomework::results{"resource.$id.solved"} =
1470: $solvemsg;
1471: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1472: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1473: $Apache::lonhomework::results{"resource.$id.tries"} =
1474: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1475: $Apache::lonhomework::results{"resource.$id.solved"} =
1476: 'credit_attempted';
1477: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1478: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1479: $Apache::lonhomework::results{"resource.$id.tries"} =
1480: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1481: $Apache::lonhomework::results{"resource.$id.solved"} =
1482: 'credit_attempted';
1483: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1484: } elsif ( $award eq 'INCORRECT' ) {
1485: $Apache::lonhomework::results{"resource.$id.tries"} =
1486: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1487: if (&Apache::lonhomework::hide_problem_status()
1488: || $Apache::lonhomework::scantronmode) {
1489: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1490: }
1491: $Apache::lonhomework::results{"resource.$id.solved"} =
1492: 'incorrect_attempted';
1493: } elsif ( $award eq 'SUBMITTED' ) {
1494: $Apache::lonhomework::results{"resource.$id.tries"} =
1495: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1496: $Apache::lonhomework::results{"resource.$id.solved"} =
1497: 'ungraded_attempted';
1498: } elsif ( $award eq 'ANONYMOUS' ) {
1499: $Apache::lonhomework::results{"resource.$id.tries"} =
1500: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1501: $Apache::lonhomework::results{"resource.$id.solved"} =
1502: 'ungraded_attempted';
1503: } elsif ( $award eq 'DRAFT' ) {
1504: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1505: } elsif ( $award eq 'NO_RESPONSE' ) {
1506: #no real response so delete any data that got stored
1507: &removealldata($id);
1508: return '';
1509: } else {
1510: $Apache::lonhomework::results{"resource.$id.solved"} =
1511: 'incorrect_attempted';
1512: if (&Apache::lonhomework::show_no_problem_status()
1513: || $Apache::lonhomework::scantronmode) {
1514: $Apache::lonhomework::results{"resource.$id.tries"} =
1515: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1516: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1517: }
1518:
1519: if (&Apache::lonhomework::show_some_problem_status()) {
1520: # clear out the awarded if they had gotten it wrong/right
1521: # and are now in an error mode
1522: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1523: }
1524: }
1525: if (defined($msg)) {
1526: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1527: }
1528: # did either of the overall awards chage? If so ignore the
1529: # previous check
1530: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1531: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1532: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1533: $Apache::lonhomework::history{"resource.$id.solved"})) {
1534: # check if this was a previous submission if it was delete the
1535: # unneeded data and update the previously_used attribute
1536: if ( $previously_used eq 'PREVIOUSLY_USED') {
1537: if (&Apache::lonhomework::show_problem_status()) {
1538: delete($Apache::lonhomework::results{"resource.$id.tries"});
1539: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1540: }
1541: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1542: #delete all data as they student didn't do anything, but save
1543: #the list of collaborators.
1544: &removealldata($id);
1545: #and since they didn't do anything we were never here
1546: return '';
1547: } else {
1548: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1549: }
1550: }
1551: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1552: #delete all data as they student already has it correct
1553: &removealldata($id);
1554: #and since they didn't do anything we were never here
1555: return '';
1556: }
1557: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1558: if ($award eq 'SUBMITTED') {
1559: &Apache::response::add_to_gradingqueue();
1560: }
1561: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1562: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1563: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1564: $Apache::lonhomework::results{"resource.$id.version"} = &Apache::lonnet::usedversion();
1565: $Apache::lonhomework::results{"resource.$id.maxtries"} = &Apache::lonnet::EXT("resource.$id.maxtries");
1566: }
1567:
1568: sub find_which_previous {
1569: my ($version) = @_;
1570: my $part = $Apache::inputtags::part;
1571: my (@previous_version);
1572: foreach my $resp (@Apache::inputtags::response) {
1573: my $key = "$version:resource.$part.$resp.submission";
1574: my $submission = $Apache::lonhomework::history{$key};
1575: my %previous = &Apache::response::check_for_previous($submission,
1576: $part,$resp,
1577: $version);
1578: push(@previous_version,$previous{'version'});
1579: }
1580: return &previous_match(\@previous_version,
1581: scalar(@Apache::inputtags::response));
1582: }
1583:
1584: sub previous_match {
1585: my ($previous_array,$count) = @_;
1586: my $match = 0;
1587: my @matches;
1588: foreach my $versionar (@$previous_array) {
1589: foreach my $version (@$versionar) {
1590: $matches[$version]++;
1591: }
1592: }
1593: my $which=0;
1594: foreach my $elem (@matches) {
1595: if ($elem eq $count) {
1596: $match=1;
1597: last;
1598: }
1599: $which++;
1600: }
1601: return ($match,$which);
1602: }
1603:
1604: sub grade {
1605: my ($target) = @_;
1606: my $id = $Apache::inputtags::part;
1607: my $response='';
1608: if ( defined $env{'form.submitted'}) {
1609: my (@awards,@msgs);
1610: foreach $response (@Apache::inputtags::response) {
1611: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1612: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1613: &Apache::lonxml::debug("keeping $value from $response for $id");
1614: push (@awards,$value);
1615: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1616: &Apache::lonxml::debug("got message $value from $response for $id");
1617: push (@msgs,$value);
1618: }
1619: my ($finalaward,$msg) =
1620: &finalizeawards(\@awards,\@msgs,undef,undef,
1621: $Apache::lonhomework::scantronmode);
1622: my $previously_used;
1623: if ( $#Apache::inputtags::previous eq $#awards ) {
1624: my ($match) =
1625: &previous_match(\@Apache::inputtags::previous_version,
1626: scalar(@Apache::inputtags::response));
1627:
1628: if ($match) {
1629: $previously_used = 'PREVIOUSLY_LAST';
1630: foreach my $value (@Apache::inputtags::previous) {
1631: if ($value eq 'PREVIOUSLY_USED' ) {
1632: $previously_used = $value;
1633: last;
1634: }
1635: }
1636: }
1637: }
1638: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1639: &setgradedata($finalaward,$msg,$id,$previously_used);
1640: }
1641: return '';
1642: }
1643:
1644: sub get_grade_messages {
1645: my ($id,$prefix,$target,$status,$nocorrect,$tdclass) = @_;
1646: # nocorrect suppresses "Computer's answer now shown above"
1647: my ($message,$latemessage,$trystr,$previousmsg);
1648: my $showbutton = 1;
1649:
1650: my $award = $Apache::lonhomework::history{"$prefix.award"};
1651: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1652: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1653: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1654: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1655: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1656: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1657: &Apache::lonxml::debug('Getting message');
1658: ($showbutton,my $css_class,$message,$previousmsg) =
1659: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1660: $target,(($status eq 'CAN_ANSWER') || $nocorrect),$tdclass);
1661: if ($target eq 'tex') {
1662: $message='\vskip 2 mm '.$message.' ';
1663: } else {
1664: $message="<td class=\"$tdclass $css_class\">$message</td>";
1665: if ($previousmsg) {
1666: $previousmsg="<td class=\"$tdclass LC_answer_previous\">$previousmsg</td>";
1667: }
1668: }
1669: }
1670: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1671: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1672: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1673: #if tries are set to negative turn off the Tries/Button and messages
1674: if (defined($maxtries) && $maxtries < 0) { return ''; }
1675: if ( $tries eq '' ) { $tries = '0'; }
1676: if ( $maxtries eq '' ) { $maxtries = '2'; }
1677: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1678: my $tries_text= &get_tries_text();
1679: if ($showbutton) {
1680: if ($target eq 'tex') {
1681: if ($env{'request.state'} ne "construct"
1682: && $Apache::lonhomework::type ne 'exam'
1683: && $env{'form.suppress_tries'} ne 'yes') {
1684: $trystr ='{\vskip 1 mm \small '
1685: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1686: ,'\textit{','}',$tries.'/'.$maxtries )
1687: .'} \vskip 2 mm';
1688: } else {
1689: $trystr = '\vskip 0 mm ';
1690: }
1691: } else {
1692: my $trial =$tries;
1693: if ($Apache::lonhomework::parsing_a_task) {
1694: } elsif($env{'request.state'} ne 'construct') {
1695: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1696: } else {
1697: if (defined($Apache::inputtags::params{'maxtries'})) {
1698: $trial.="/".$Apache::inputtags::params{'maxtries'};
1699: }
1700: }
1701: $trystr = '<td class="'.$tdclass.'"><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1702: }
1703: }
1704:
1705: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1706: #last submissions was after due date
1707: $latemessage=&mt(' The last submission was after the Due Date ');;
1708: if ($target eq 'web') {
1709: $latemessage='<td class="'.$tdclass.' LC_answer_late">'.$latemessage.'</td>';
1710: }
1711: }
1712: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1713: }
1714:
1715: sub gradestatus {
1716: my ($id,$target,$no_previous) = @_;
1717: my $showbutton = 1;
1718: my $message = '';
1719: my $latemessage = '';
1720: my $trystr='';
1721: my $button='';
1722: my $previousmsg='';
1723: my $tdclass='';
1724:
1725: my $status = $Apache::inputtags::status['-1'];
1726: &Apache::lonxml::debug("gradestatus has :$status:");
1727: if ( $status ne 'CLOSED'
1728: && $status ne 'UNAVAILABLE'
1729: && $status ne 'INVALID_ACCESS'
1730: && $status ne 'NEEDS_CHECKIN'
1731: && $status ne 'NOT_IN_A_SLOT'
1732: && $status ne 'RESERVABLE'
1733: && $status ne 'RESERVABLE_LATER'
1734: && $status ne 'NOTRESERVABLE') {
1735:
1736: if ($status eq 'SHOW_ANSWER') {
1737: $showbutton = 0;
1738: }
1739:
1740: unless (($status eq 'SHOW_ANSWER') || ($status eq 'CANNOT_ANSWER')) {
1741: if ($target ne 'tex') {
1742: $tdclass = 'LC_status_submit_'.$id;
1743: }
1744: }
1745:
1746: ($previousmsg,$latemessage,$message,$trystr) =
1747: &get_grade_messages($id,"resource.$id",$target,$status,
1748: $showbutton,$tdclass);
1749: if ($status eq 'CANNOT_ANSWER') {
1750: $showbutton = 0;
1751: }
1752: if ( $status eq 'SHOW_ANSWER') {
1753: undef($previousmsg);
1754: }
1755: if ( $showbutton ) {
1756: if ($target ne 'tex') {
1757: $button =
1758: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1759: type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit"
1760: value="'.&mt('Submit Answer').'" /> '.
1761: '<div id="msg_submit_'.$id.'" style="display:none">'.
1762: &mt('Processing your submission ...').'</div>';
1763: }
1764: }
1765:
1766: }
1767: my $output= $previousmsg.$latemessage.$message.$trystr;
1768: if ($output =~ /^\s*$/) {
1769: return $button;
1770: } else {
1771: if ($target eq 'tex') {
1772: return $button.' \vskip 0 mm '.$output.' ';
1773: } else {
1774: $output =
1775: '<table><tr><td>'.$button.'</td>'.$output;
1776: if (!$no_previous) {
1777: $output.='<td class="'.$tdclass.'">'.&previous_tries($id,$target).'</td>';
1778: }
1779: $output.= '</tr></table>';
1780: return $output;
1781: }
1782: }
1783: }
1784:
1785: sub previous_tries {
1786: my ($id,$target) = @_;
1787: my $output;
1788: my $status = $Apache::inputtags::status['-1'];
1789:
1790: my $count;
1791: my %count_lookup;
1792: my ($lastrndseed,$lasttype);
1793: my $numstamps = 0;
1794:
1795: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1796: my $prefix = $i.":resource.$id";
1797: my $is_anon;
1798: my $curr_type = $Apache::lonhomework::history{"$prefix.type"};
1799: if (defined($env{'form.grade_symb'})) {
1800: if (($curr_type eq 'anonsurvey') || ($curr_type eq 'anonsurveycred')) {
1801: $is_anon = 1;
1802: }
1803: }
1804: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1805: $count++;
1806: $count_lookup{$i} = $count;
1807: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1808: my ($previousmsg,$latemessage,$message,$trystr);
1809:
1810: ($previousmsg,$latemessage,$message,$trystr) =
1811: &get_grade_messages($id,"$prefix",$target,$status);
1812:
1813: if ($previousmsg ne '') {
1814: my ($match,$which) = &find_which_previous($i);
1815: $message=$previousmsg;
1816: my $previous = $count_lookup{$which};
1817: $message =~ s{(</td>)}{ as submission \# $previous $1};
1818: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1819: if (!(&Apache::lonhomework::hide_problem_status()
1820: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1821: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1822: ) {
1823:
1824: my $txt_correct = &mt('Correct');
1825: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1826: if ($awarded < 1 && $awarded > 0) {
1827: $txt_correct=&mt('Partially Correct');
1828: } elsif ($awarded < 1) {
1829: if ($awarded eq '') {
1830: $txt_correct='';
1831: } else {
1832: $txt_correct=&mt('Incorrect');
1833: }
1834: }
1835: $message =~ s{(<td.*?>)(.*?)(</td>)}
1836: {$1 <strong>$txt_correct</strong>. $3}s;
1837: }
1838: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1839: if (($curr_rndseed ne '') && ($lastrndseed ne '')) {
1840: if (($curr_rndseed ne $lastrndseed) &&
1841: (($curr_type eq 'randomizetry') || ($lasttype eq 'randomizetry'))) {
1842: $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>';
1843: }
1844: }
1845: $message =~ s{(</td>)}{ $trystr $1};
1846: }
1847: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1848: $message =~ s{(<td.*?>)}{<td>};
1849:
1850:
1851: $output .= '<tr class="'.$class.'">'.
1852: '<td align="center">'.$count.'</td>'.$message;
1853: if ((!$is_anon) && ($Apache::lonhomework::history{"$prefix.tries"}) &&
1854: ($Apache::lonhomework::history{"$prefix.award"} ne 'ASSIGNED_SCORE') &&
1855: ($Apache::lonhomework::history{$i.':timestamp'})) {
1856: $output .= '<td>'.&Apache::lonlocal::locallocaltime(
1857: $Apache::lonhomework::history{$i.':timestamp'}).'</td>';
1858: $numstamps ++;
1859: } else {
1860: $output .= '<td></td>';
1861: }
1862: foreach my $resid (@Apache::inputtags::response) {
1863: my $prefix = $prefix.".$resid";
1864: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1865: my $submission =
1866: $Apache::inputtags::submission_display{"$prefix.submission"};
1867: if (!defined($submission)) {
1868: $submission =
1869: $Apache::lonhomework::history{"$prefix.submission"};
1870: }
1871: if ($is_anon) {
1872: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1873: } else {
1874: $output.='<td>'.$submission.'</td>';
1875: }
1876: } else {
1877: $output.='<td></td>';
1878: }
1879: }
1880: $output.=&Apache::loncommon::end_data_table_row()."\n";
1881: $lastrndseed = $curr_rndseed;
1882: $lasttype = $curr_type;
1883: }
1884: return if ($output eq '');
1885: my $headers = '<tr>'.
1886: '<th>'.&mt('Submission #').'</th>'.
1887: '<th>'.&mt('Try').'</th><th>';
1888: if ($numstamps) {
1889: $headers .= &mt('When');
1890: }
1891: $headers .= '</th>';
1892: my $colspan = scalar(@Apache::inputtags::response);
1893: if ($colspan > 1) {
1894: $headers .= '<th colspan="'.$colspan.'">';
1895: } else {
1896: $headers .= '<th>';
1897: }
1898: $headers .= &mt('Submitted Answer').'</th></tr>';
1899: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1900:
1901: my $tries_text = &get_tries_text('link');
1902: my $prefix = $env{'form.request.prefix'};
1903: $prefix =~ tr{.}{_};
1904: my $function_name = 'LONCAPA_previous_tries_'.$prefix;
1905: if (($env{'request.state'} eq 'construct') || ($id =~ /\W/)) {
1906: $function_name .= $Apache::lonxml::curdepth;
1907: } else {
1908: $function_name .= $id;
1909: }
1910: $function_name .= '_'.$Apache::lonxml::counter;
1911: my $possmathjax = 1;
1912: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,
1913: &mt($tries_text),$possmathjax)."<br />";
1914: return $result;
1915: }
1916:
1917: sub get_tries_text {
1918: my ($context) = @_;
1919: my $tries_text;
1920: if ($context eq 'link') {
1921: $tries_text = 'Previous Tries';
1922: } else {
1923: $tries_text = 'Tries';
1924: }
1925: if ( $Apache::lonhomework::type eq 'survey' ||
1926: $Apache::lonhomework::type eq 'surveycred' ||
1927: $Apache::lonhomework::type eq 'anonsurvey' ||
1928: $Apache::lonhomework::type eq 'anonsurveycred' ||
1929: $Apache::lonhomework::parsing_a_task) {
1930: if ($context eq 'link') {
1931: $tries_text = 'Previous Submissions';
1932: } else {
1933: $tries_text = 'Submissions';
1934: }
1935: }
1936: return $tries_text;
1937: }
1938:
1939: sub spelling_languages {
1940: my %langchoices;
1941: foreach my $id (&Apache::loncommon::languageids()) {
1942: my $code = &Apache::loncommon::supportedlanguagecode($id);
1943: if ($code ne '') {
1944: $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
1945: }
1946: }
1947: my @spelllangs = ('none');
1948: foreach my $code ('en','de','he','es','fr','pt','tr') {
1949: push(@spelllangs,[$code,$langchoices{$code}]);
1950: }
1951: return \@spelllangs;
1952: }
1953:
1954: sub edit_mathresponse_button {
1955: my ($field) = @_;
1956: my $eqneditor = 'lcmath';
1957: if ($env{'browser.type'} eq 'safari') {
1958: if ($env{'browser.os'} eq 'mac') {
1959: my ($prefix,$version) = ($env{'browser.version'} =~ /^(\d*)(\d{3})\./);
1960: if ($env{'browser.mobile'}) {
1961: if (($version < 531) || (($prefix eq '') && ($version < 533))) {
1962: $eqneditor = '';
1963: }
1964: } elsif ($version < 533) {
1965: $eqneditor = 'dragmath';
1966: }
1967: } elsif ($env{'browser.os'} eq 'win') {
1968: if ($env{'browser.version'} < 533) {
1969: $eqneditor = 'dragmath';
1970: }
1971: }
1972: } elsif ($env{'browser.type'} eq 'explorer') {
1973: if ($env{'browser.version'} < 9) {
1974: $eqneditor = 'dragmath';
1975: }
1976: } elsif ($env{'browser.type'} eq 'mozilla') {
1977: if ($env{'browser.version'} < 5) {
1978: $eqneditor = 'dragmath';
1979: } else {
1980: if ($env{'browser.info'} =~ /^firefox\-([\d\.]+)/) {
1981: my $firefox = $1;
1982: if ($firefox < 4) {
1983: $eqneditor = 'dragmath';
1984: }
1985: }
1986: }
1987: } elsif ($env{'browser.type'} eq 'chrome') {
1988: if ($env{'browser.version'} < 5) {
1989: $eqneditor = 'dragmath';
1990: }
1991: } elsif ($env{'browser.type'} eq 'opera') {
1992: if ($env{'browser.version'} < 12) {
1993: $eqneditor = 'dragmath';
1994: }
1995: }
1996: if ($eqneditor eq 'lcmath') {
1997: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
1998: if (exists($env{'course.'.$env{'request.course.id'}.'.uselcmath'})) {
1999: if ($env{'course.'.$env{'request.course.id'}.'.uselcmath'} eq '0') {
2000: $eqneditor = 'dragmath';
2001: }
2002: } else {
2003: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
2004: if ($domdefs{'uselcmath'} eq '0') {
2005: $eqneditor = 'dragmath';
2006: }
2007: }
2008: } else {
2009: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
2010: if ($domdefs{'uselcmath'} eq '0') {
2011: $eqneditor = 'dragmath';
2012: }
2013: }
2014: }
2015: if ($eqneditor eq 'dragmath') {
2016: # DragMath applet
2017: my $button=&mt('Edit Answer');
2018: # my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
2019: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
2020: return(<<ENDFORMULABUTTON);
2021: <script type="text/javascript" language="JavaScript">
2022: function LC_mathedit_${field} (LCtextline) {
2023: thenumber = LCtextline;
2024: var thedata = '';
2025: if (document.getElementById(LCtextline)) {
2026: thedata = document.getElementById(LCtextline).value;
2027: }
2028: newwin = window.open("/adm/dragmath/MaximaPopup.html","","width=565,height=400,resizable");
2029: }
2030: </script>
2031: <a href="javascript:LC_mathedit_${field}('${field}');void(0);"><img class="stift" src="$iconpath/stift.gif" alt="$button" title="$button" /></a>
2032: ENDFORMULABUTTON
2033: } elsif ($eqneditor eq 'lcmath') {
2034: # LON-CAPA math equation editor
2035: my $mathjaxjs;
2036: unless (lc(&Apache::lontexconvert::tex_engine()) eq 'mathjax') {
2037: $mathjaxjs = <<"MATHJAX_SCRIPT";
2038: var mathjaxscript = document.createElement("script");
2039: mathjaxscript.type = "text/javascript";
2040: mathjaxscript.src = "/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML";
2041: document.body.appendChild(mathjaxscript);
2042: MATHJAX_SCRIPT
2043: }
2044: return(<<EQ_EDITOR_SCRIPT);
2045: <script type="text/javascript">
2046: var LCmathField = document.getElementById('${field}');
2047: LCmathField.className += ' math'; // note the space
2048: LCmathField.setAttribute('data-implicit_operators', 'true');
2049: var LCMATH_started;
2050: if (typeof LCMATH_started === 'undefined') {
2051: $mathjaxjs
2052: LCMATH_started = true;
2053: var script = document.createElement("script");
2054: script.type = "text/javascript";
2055: script.src = "/adm/LC_math_editor/LC_math_editor.min.js";
2056: document.body.appendChild(script);
2057: window.addEventListener('load', function(e) {
2058: LCMATH.initEditors();
2059: }, false);
2060: }
2061: </script>
2062: EQ_EDITOR_SCRIPT
2063: }
2064: }
2065:
2066: 1;
2067: __END__
2068:
2069: =pod
2070:
2071: =back
2072:
2073: =cut
2074:
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