1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.333.2.12.2.4 2023/09/11 12:09:06 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 $numrespclass;
454: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
455: $safeeval);
456: if (lc($readonly) eq 'yes'
457: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
458: $readonly=' readonly="readonly" ';
459: } else {
460: $readonly='';
461: if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') &&
462: ($tagstack->[-2] eq 'numericalresponse')) {
463: $numrespclass = ' LC_numresponse_text';
464: }
465: }
466: my $name = 'HWVAL_'.$id;
467: my $itemid = 'HWVAL_'.$partid.'_'.$id;
468: my $input_tag_id = $itemid.'_'.$input_id;
469: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
470: $name = "none";
471: }
472: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
473: . ' onfocus="javascript:disableAutoComplete(\''.$input_tag_id.'\');"'
474: . ' type="text" '.$readonly.' name="'. $name . '"'
475: . ' id="' . $input_tag_id . '"'
476: . ' value="'. $oldresponse.'"'
477: . ' class="LC_textline spellchecked'.$numrespclass.'" size="'.$size.'"'.$maxlength.' />';
478:
479: $result .= &spellcheck_onblur($itemid, $spellcheck);
480: if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') &&
481: (((($tagstack->[-2] eq 'formularesponse') || ($tagstack->[-2] eq 'mathresponse')) &&
482: (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) ||
483: (($tagstack->[-2] eq 'customresponse') &&
484: (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') eq 'no')))) {
485: $result.=&edit_mathresponse_button($input_tag_id);
486: }
487: }
488: if ($Apache::lonhomework::type eq 'exam'
489: && &needs_exam_box($tagstack)) {
490: $result.=&exam_box($target);
491: }
492: } else {
493: #right or wrong don't show what was last typed in.
494: my $count = scalar(@Apache::inputtags::inputlist)-1;
495: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
496: #$result='';
497: }
498: } elsif ($target eq 'edit') {
499: $result=&Apache::edit::tag_start($target,$token);
500: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
501: &Apache::edit::text_arg('Click-On Texts (comma sep):',
502: 'addchars',$token,10);
503: $result.=&Apache::edit::select_arg('Readonly:','readonly',
504: ['no','yes'],$token);
505: my $spell_langs = &spelling_languages();
506: $result.=&Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
507: $spell_langs, $token);
508: $result.=&Apache::edit::end_row();
509: $result.=&Apache::edit::end_table();
510: } elsif ($target eq 'modified') {
511: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
512: $safeeval,'size',
513: 'addchars','readonly', 'spellcheck');
514: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
515: } elsif ($target eq 'tex'
516: && $Apache::lonhomework::type ne 'exam') {
517: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
518: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
519: if ($env{'form.pdfFormFields'} eq 'yes'
520: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
521: my $fieldname = $env{'request.symb'}.
522: '&part_'. $Apache::inputtags::part.
523: '&textresponse'.
524: '&HWVAL_' . $Apache::inputtags::response['-1'];
525: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
526: } else {
527: $result='\framebox['.$size.'][s]{\tiny\strut}';
528: }
529: } elsif ($target eq 'tex'
530: && $Apache::lonhomework::type eq 'exam'
531: && &needs_exam_box($tagstack)) {
532: $result.=&exam_box($target);
533: }
534: return $result;
535: }
536:
537: sub end_textline {
538: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
539: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
540: elsif ($target eq 'edit') { return ('','no'); }
541: &end_input();
542: return "";
543: }
544:
545: sub start_hiddenline {
546: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
547: my $result = "";
548: my $input_id = &start_input($parstack,$safeeval);
549: if ($target eq 'web') {
550: $Apache::lonxml::evaluate--;
551: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
552: my $partid=$Apache::inputtags::part;
553: my $id=$Apache::inputtags::response[-1];
554: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
555: if (ref($oldresponse) eq 'ARRAY') {
556: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
557: }
558: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
559:
560: if ($Apache::lonhomework::type ne 'exam') {
561: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
562: $oldresponse.'" />';
563: }
564: }
565: } elsif ($target eq 'edit') {
566: $result=&Apache::edit::tag_start($target,$token);
567: $result.=&Apache::edit::end_table;
568: }
569:
570: if ( ($target eq 'web' || $target eq 'tex')
571: && $Apache::lonhomework::type eq 'exam'
572: && &needs_exam_box($tagstack)) {
573: $result.=&exam_box($target);
574: }
575: return $result;
576: }
577:
578: sub end_hiddenline {
579: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
580: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
581: elsif ($target eq 'edit') { return ('','no'); }
582: &end_input();
583: return "";
584: }
585:
586:
587: sub start_hiddensubmission {
588: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
589: my $result = "";
590: my $input_id = &start_input($parstack,$safeeval);
591: if ($target eq 'web') {
592: $Apache::lonxml::evaluate--;
593: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
594: my $partid=$Apache::inputtags::part;
595: my $id=$Apache::inputtags::response[-1];
596: if ($Apache::lonhomework::type ne 'exam') {
597: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
598: $value = &HTML::Entities::encode($value,'<>&"');
599: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
600: }
601: }
602: } elsif ($target eq 'edit') {
603: $result=&Apache::edit::tag_start($target,$token);
604: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
605: $result.=&Apache::edit::end_row();
606: $result.=&Apache::edit::end_table();
607: } elsif ($target eq 'modified') {
608: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
609: $safeeval,'value');
610: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
611: }
612:
613: if ( ($target eq 'web' || $target eq 'tex')
614: && $Apache::lonhomework::type eq 'exam'
615: && &needs_exam_box($tagstack)) {
616: $result.=&exam_box($target);
617: }
618: return $result;
619: }
620:
621: sub end_hiddensubmission {
622: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
623: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
624: elsif ($target eq 'edit') { return ('','no'); }
625: &end_input();
626: return "";
627: }
628:
629: =pod
630:
631: =item file_selector()
632:
633: $part -> partid
634: $id -> responseid
635: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
636: $which -> 'uploadonly' -> only newly uploaded files
637: 'portfolioonly' -> only allow files from portfolio
638: 'both' -> allow files from either location
639: $extratext -> additional text to go between the link and the input box
640: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
641: returns a table row <tr>
642:
643: =cut
644:
645: sub file_selector {
646: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
647: if (!$uploadedfiletypes) { return ''; }
648:
649: my $jspart=$part;
650: $jspart=~s/\./_/g;
651:
652: my $result;
653: my $current_files_display = ¤t_file_submissions($part,$id);
654: my $addfiles;
655: if ($current_files_display) {
656: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
657: $current_files_display.
658: &Apache::lonhtmlcommon::row_closure();
659: $addfiles = &mt('Submit other file(s)');
660: } else {
661: $addfiles = &mt('Choose file(s) to submit');
662: }
663: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
664: my $constraints;
665: if ($uploadedfiletypes ne '*') {
666: $constraints =
667: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
668: }
669: if ($maxfilesize) {
670: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB.',
671: '<b>'.$maxfilesize.'</b>').'<br />';
672: }
673: if ($constraints) {
674: $result .= $constraints.'<br />';
675: }
676: if ($which eq 'uploadonly' || $which eq 'both') {
677: my $free_space = $maxfilesize * 1048576;
678: $result .= &mt('Submit a file: (only one file per submission)').
679: ' <br /><input type="file" size="50" name="HWFILE'.$jspart.'_'.$id.
680: '" id="HWFILE'.$jspart.'_'.$id.'" class="LC_flUpload LC_hwkfile" />'.
681: '<input type="hidden" id="LC_free_space_'.$jspart.'_'.$id.'"'.
682: ' value="'.$free_space.'" /><br />';
683: }
684: if ( $which eq 'both') {
685: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
686: }
687: if ($which eq 'portfolioonly' || $which eq 'both') {
688: my $symb = $env{'request.symb'};
689: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
690: my $showsymb;
691: # If resource is a .task and URL is unencrypted, include symb in query string
692: # for url opened in portfolio file selection window. Can be used to override
693: # blocking of portfolio access resulting from an exam event in a different course.
694: if ($res =~ /\.task$/i) {
695: my $encsymb = &Apache::lonenc::check_encrypt($symb);
696: if ($symb eq $encsymb) {
697: $showsymb = $symb;
698: }
699: }
700: $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"))'."'".'>'.
701: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
702: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
703: '<br />';
704: }
705: $result.=&Apache::lonhtmlcommon::row_closure(1);
706: return $result;
707: }
708:
709: sub current_file_submissions {
710: my ($part,$id) = @_;
711: my $jspart=$part;
712: $jspart=~s/\./_/g;
713: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
714: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
715: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
716: my $header = &portpath_popup_js().
717: &Apache::loncommon::start_data_table().
718: &Apache::loncommon::start_data_table_header_row();
719: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
720: $header .= '<th>'.&mt('Delete?').'</th>';
721: }
722: $header .= '<th>'.&mt('File').'</th>'.
723: '<th>'.&mt('Size (MB)').'</th>'.
724: '<th>'.&mt('Last Modified').'</th>'.
725: &Apache::loncommon::end_data_table_header_row();
726: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
727: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
728: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
729: if ($uploadedfile) {
730: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
731: my $link = &HTML::Entities::encode($url,'<>&"');
732: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
733: my ($status,$hashref,$error) =
734: ¤t_file_info($url,$link,$name,$path);
735: if ($status eq 'ok') {
736: push(@{$okfiles{$name}},$url);
737: $rows{$url} = $hashref;
738: $legacy{$url} = 1;
739: &Apache::lonxml::extlink($url);
740: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
741: } else {
742: push(@bad_file_list,$error);
743: }
744: }
745: if ($portfiles =~ /[^\s]/) {
746: my $prefix = "/uploaded/$udom/$uname/portfolio";
747: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
748: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
749: my $url = $prefix.$path.$name;
750: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
751: my ($status,$hashref,$error) =
752: ¤t_file_info($url,$uploadedfile,$name,$path);
753: if ($status eq 'ok') {
754: push(@{$okfiles{$name}},$url);
755: $rows{$url} = $hashref;
756: } else {
757: push(@bad_file_list,$error);
758: }
759: }
760: }
761: my $num = 0;
762: foreach my $name (sort(keys(%okfiles))) {
763: if (ref($okfiles{$name}) eq 'ARRAY') {
764: foreach my $url (@{$okfiles{$name}}) {
765: if (ref($rows{$url}) eq 'HASH') {
766: my $link = $rows{$url}{link};
767: my $portfile = $rows{$url}{path}.$rows{$url}{name};
768: $portfile = &HTML::Entities::encode($portfile,'<>&"');
769: if ($link) {
770: my $icon=&Apache::loncommon::icon($url);
771: unless ($header_shown) {
772: $result .= $header;
773: $header_shown = 1;
774: }
775: $result.=
776: &Apache::loncommon::start_data_table_row()."\n";
777: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
778: $result .=
779: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
780: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
781: $num ++;
782: }
783: my $pathid = 'HWFILE'.$jspart.'_'.$id.'_'.$num.'_path';
784: my $pathidtext = $pathid.'text';
785: my ($showname,$showpath);
786: if ($legacy{$url}) {
787: $showname = $name.' '.&mt('not in portfolio');
788: } else {
789: $showname = $name;
790: $showpath = '<br />'.
791: '<span id="'.$pathidtext.'" class="LC_cusr_subheading">'.
792: '<a href="javascript:showPortPath('."'$pathid','$pathidtext'".');" '.
793: 'class="LC_menubuttons_link">'.
794: &mt('(Show path)').'</a></span>'.
795: '<div id="'.$pathid.'" class="LC_dccid">'.$rows{$url}{path}.$name.
796: '</div>';
797: }
798: $result .=
799: '<td><a href="'.$link.'"><img src="'.$icon.
800: '" border="0" alt="" />'.$showname.'</a>'.$showpath.'</td>'."\n".
801: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
802: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
803: &Apache::loncommon::end_data_table_row();
804: }
805: }
806: }
807: }
808: }
809: if ($header_shown) {
810: $result .= &Apache::loncommon::end_data_table();
811: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
812: $result .= '<br /><span class="LC_warning">'.
813: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
814: }
815: }
816: if (@bad_file_list) {
817: my $bad_files = '<span class="LC_filename">'.
818: join('</span>, <span class="LC_filename">',@bad_file_list).
819: '</span>';
820: $result.='<p class="LC_error">'.
821: &mt("These file(s) don't exist: [_1]",$bad_files).
822: '</p>';
823: }
824: return $result;
825: }
826:
827: sub current_file_info {
828: my ($url,$uploadedfile,$name,$path) = @_;
829: my ($status,$error,%info);
830: my @stat = &Apache::lonnet::stat_file($url);
831: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
832: my ($lastmod,$size);
833: if ($stat[9] =~ /^\d+$/) {
834: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
835: }
836: $size = $stat[7]/(1024*1024);
837: $size = sprintf("%.3f",$size);
838: %info = (
839: link => $uploadedfile,
840: name => $name,
841: path => $path,
842: size => $size,
843: lastmodified => $lastmod,
844: );
845: $status = 'ok';
846: } else {
847: &Apache::lonnet::logthis("bad file is $url");
848: my $icon=&Apache::loncommon::icon($url);
849: $error = '<a href="'.$url.'"><img src="'.$icon.
850: '" border="0" />'.$uploadedfile.'</a>';
851: }
852: return ($status,\%info,$error);
853: }
854:
855: sub portpath_popup_js {
856: my %lt = &Apache::lonlocal::texthash(
857: show => '(Show path)',
858: hide => '(Hide)',
859: );
860: return <<"END";
861: <script type="text/javascript">
862: // <![CDATA[
863:
864: function showPortPath(id,idtext) {
865: document.getElementById(id).style.display='block';
866: document.getElementById(id).style.textAlign='left';
867: document.getElementById(id).style.textFace='normal';
868: if (document.getElementById(idtext)) {
869: document.getElementById(idtext).innerHTML ='<a href="javascript:hidePortPath(\\''+id+'\\',\\''+idtext+'\\'); '+
870: '"class="LC_menubuttons_link">$lt{'hide'}</a> ';
871: }
872: return;
873: }
874:
875: function hidePortPath(id,idtext) {
876: if (document.getElementById(id)) {
877: document.getElementById(id).style.display='none';
878: }
879: if (document.getElementById(idtext)) {
880: document.getElementById(idtext).innerHTML ='<a href="javascript:showPortPath(\\''+id+'\\',\\''+idtext+'\\');" '+
881: 'class="LC_menubuttons_link">$lt{'show'}</a>';
882: }
883: return;
884: }
885:
886: // ]]>
887: </script>
888:
889: END
890: }
891:
892: sub valid_award {
893: my ($award) =@_;
894: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
895: 'NO_RESPONSE','WRONG_NUMBOXESCHECKED',
896: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
897: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
898: 'UNIT_FAIL', 'NO_UNIT',
899: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
900: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
901: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
902: 'MISORDERED_RANK', 'INVALID_FILETYPE',
903: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
904: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
905: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
906: 'ASSIGNED_SCORE', 'APPROX_ANS',
907: 'EXACT_ANS','COMMA_FAIL') {
908: if ($award eq $possibleaward) { return 1; }
909: }
910: return 0;
911: }
912:
913: {
914: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
915: 'WRONG_NUMBOXESCHECKED','TOO_LONG',
916: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
917: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
918: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
919: 'WRONG_FORMAT', 'INTERNAL_ERROR',
920: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
921: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
922: 'DRAFT', 'SUBMITTED',
923: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
924: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
925: my $i=0;
926: my %fwd_awards = map { ($_,$i++) } @awards;
927: my $max=scalar(@awards);
928: @awards=reverse(@awards);
929: $i=0;
930: my %rev_awards = map { ($_,$i++) } @awards;
931:
932: sub awarddetail_to_awarded {
933: my ($awarddetail) = @_;
934: if ($awarddetail eq 'EXACT_ANS'
935: || $awarddetail eq 'APPROX_ANS') {
936: return 1;
937: }
938: return 0;
939: }
940:
941: sub hide_award {
942: my ($award) = @_;
943: if (&Apache::lonhomework::show_no_problem_status()) {
944: return 1;
945: }
946: if ($award =~
947: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
948: return 1;
949: }
950: return 0;
951: }
952:
953: sub finalizeawards {
954: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
955: my $result;
956: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
957: if ($result eq '' ) {
958: my $blankcount;
959: foreach my $award (@$awardref) {
960: if ($award eq '') {
961: $result='MISSING_ANSWER';
962: $blankcount++;
963: }
964: }
965: if ($blankcount == ($#$awardref + 1)) {
966: return ('NO_RESPONSE');
967: }
968: }
969:
970: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
971:
972: if (!$final_scantron && defined($result)) { return ($result); }
973:
974: # if in scantron mode, if the award for any response is
975: # assigned score, then the part gets an assigned score
976: if ($final_scantron
977: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
978: return ('ASSIGNED_SCORE');
979: }
980:
981: # if in scantron mode, if the award for any response is
982: # correct and there are non-correct responses,
983: # then the part gets an assigned score
984: if ($final_scantron
985: && (grep { $_ eq 'EXACT_ANS' ||
986: $_ eq 'APPROX_ANS' } (@$awardref))
987: && (grep { $_ ne 'EXACT_ANS' &&
988: $_ ne 'APPROX_ANS' } (@$awardref))) {
989: return ('ASSIGNED_SCORE');
990: }
991: # these awards are ordered from most important error through best correct
992: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
993:
994: my $best = $max;
995: my $j=0;
996: my $which;
997: foreach my $award (@$awardref) {
998: if ($awards->{$award} < $best) {
999: $best = $awards->{$award};
1000: $which = $j;
1001: }
1002: $j++;
1003: }
1004:
1005: # if at least one response item is set to include lenient grading
1006: # and that item is partially correct then overall award reflects
1007: # that, unless an award for one of the other response items does
1008: # not fall within the basic awards for correct or incorrect.
1009: if ($Apache::inputtags::leniency) {
1010: if (($$awardref[$which] eq 'INCORRECT')
1011: && (grep { $_ eq 'EXACT_ANS' ||
1012: $_ eq 'APPROX_ANS' ||
1013: $_ eq 'ASSIGNED_SCORE' } (@$awardref))
1014: && !((grep { $_ ne 'INCORRECT' &&
1015: $_ ne 'EXACT_ANS' &&
1016: $_ ne 'APPROX_ANS' &&
1017: $_ ne 'ASSIGNED_SCORE' } (@$awardref)))) {
1018: return ('ASSIGNED_SCORE');
1019: }
1020: }
1021:
1022: if (defined($which)) {
1023: if (ref($nameref)) {
1024: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
1025: } else {
1026: return ($$awardref[$which],$$msgref[$which]);
1027: }
1028: }
1029: return ('ERROR',undef);
1030: }
1031: }
1032:
1033: sub decideoutput {
1034: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect,$tdclass)=@_;
1035:
1036: my $message='';
1037: my $button=0;
1038: my $previousmsg;
1039: my $css_class='orange';
1040: my $added_computer_text=0;
1041: my %possible_class =
1042: ( 'correct' => 'LC_answer_correct',
1043: 'charged_try' => 'LC_answer_charged_try',
1044: 'not_charged_try' => 'LC_answer_not_charged_try',
1045: 'no_grade' => 'LC_answer_no_grade',
1046: 'no_message' => 'LC_no_message',
1047: 'no_charge_warn' => 'LC_answer_warning',
1048: );
1049:
1050: my $part = $Apache::inputtags::part;
1051: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
1052: my $handgrade = ('yes' eq lc($tohandgrade));
1053: #
1054: # Should "Computer's Answer" be displayed?
1055: # Should not be displayed if still answerable,
1056: # if the problem is handgraded,
1057: # or if the problem does not give a correct answer
1058: #
1059:
1060: my $computer = ($handgrade || $nocorrect)? ''
1061: : &mt("Computer's answer now shown above.");
1062: &Apache::lonxml::debug("handgrade has :$handgrade:");
1063:
1064: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
1065:
1066: if ($solved =~ /^correct/) {
1067: $css_class=$possible_class{'correct'};
1068: $message=&mt('You are correct.');
1069: if ($awarded < 1 && $awarded > 0) {
1070: $message=&mt('You are partially correct.');
1071: $css_class=$possible_class{'not_charged_try'};
1072: } elsif ($awarded < 1) {
1073: $message=&mt('Incorrect.');
1074: $css_class=$possible_class{'charged_try'};
1075: }
1076: if ($handgrade ||
1077: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
1078: $message = &mt("A score has been assigned.");
1079: $added_computer_text=1;
1080: } else {
1081: if ($target eq 'tex') {
1082: $message = '\textbf{'.$message.'}';
1083: } else {
1084: $message = "<b>".$message."</b>";
1085: if ($computer) {
1086: $message = "$computer $message";
1087: }
1088: }
1089: $added_computer_text=1;
1090: if ($awarded > 0) {
1091: my ($symb) = &Apache::lonnet::whichuser();
1092: if (($symb ne '')
1093: &&
1094: ($env{'course.'.$env{'request.course.id'}.
1095: '.disable_receipt_display'} ne 'yes') &&
1096: ($Apache::lonhomework::type ne 'practice')) {
1097: $message.=(($target eq 'web')?'<br />':' ').
1098: &mt('Your receipt no. is [_1]',
1099: (&Apache::lonnet::receipt($Apache::inputtags::part).
1100: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1101: }
1102: }
1103: }
1104: if ($awarded >= 1) {
1105: $button=0;
1106: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
1107: $button=0;
1108: } else {
1109: $button=1;
1110: }
1111: $previousmsg='';
1112: } elsif ($solved =~ /^excused/) {
1113: if ($target eq 'tex') {
1114: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
1115: } else {
1116: $message = "<b>".&mt('You are excused from the problem.')."</b>";
1117: }
1118: $css_class=$possible_class{'charged_try'};
1119: $button=0;
1120: $previousmsg='';
1121: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1122: if ($solved =~ /^incorrect/ || $solved eq '') {
1123: $message = &mt("Incorrect").".";
1124: $css_class=$possible_class{'charged_try'};
1125: $button=1;
1126: } else {
1127: if ($target eq 'tex') {
1128: $message = '\textbf{'.&mt('You are correct.').'}';
1129: } else {
1130: $message = "<b>".&mt('You are correct.')."</b>";
1131: if ($computer) {
1132: $message = "$computer $message";
1133: }
1134: }
1135: $added_computer_text=1;
1136: if ($awarded > 0
1137: && $env{'course.'.
1138: $env{'request.course.id'}.
1139: '.disable_receipt_display'} ne 'yes') {
1140: $message.=(($target eq 'web')?'<br />':' ').
1141: &mt('Your receipt is [_1]',
1142: (&Apache::lonnet::receipt($Apache::inputtags::part).
1143: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1144: }
1145: $css_class=$possible_class{'correct'};
1146: $button=0;
1147: $previousmsg='';
1148: }
1149: } elsif ($award eq 'NO_RESPONSE') {
1150: $message = '';
1151: $css_class=$possible_class{'no_feedback'};
1152: $button=1;
1153: } elsif ($award eq 'EXTRA_ANSWER') {
1154: $message = &mt('Some extra items were submitted.');
1155: $css_class=$possible_class{'not_charged_try'};
1156: $button = 1;
1157: } elsif ($award eq 'MISSING_ANSWER') {
1158: $message = &mt('Some items were not submitted.');
1159: if ($target ne 'tex') {
1160: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1161: }
1162: if (&Apache::lonhomework::show_some_problem_status()) {
1163: $css_class=$possible_class{'no_charge_warn'};
1164: } else {
1165: $css_class=$possible_class{'not_charged_try'};
1166: }
1167: $button = 1;
1168: } elsif ($award eq 'WRONG_NUMBOXESCHECKED') {
1169: $message = &mt('Number of boxes checked outside permissible range (either too few or too many).');
1170: if ($target ne 'tex') {
1171: $message .= &Apache::loncommon::help_open_topic('Wrong_Num_Boxes_Checked');
1172: }
1173: $css_class=$possible_class{'not_charged_try'};
1174: $button = 1;
1175: } elsif ($award eq 'ERROR') {
1176: $message = &mt('An error occurred while grading your answer.');
1177: $css_class=$possible_class{'not_charged_try'};
1178: $button = 1;
1179: } elsif ($award eq 'TOO_LONG') {
1180: $message = &mt("The submitted answer was too long.");
1181: $css_class=$possible_class{'not_charged_try'};
1182: $button=1;
1183: } elsif ($award eq 'WANTED_NUMERIC') {
1184: $message = &mt("This question expects a numeric answer.");
1185: $css_class=$possible_class{'not_charged_try'};
1186: $button=1;
1187: } elsif ($award eq 'MISORDERED_RANK') {
1188: $message = &mt('You have provided an invalid ranking.');
1189: if ($target ne 'tex') {
1190: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1191: }
1192: $css_class=$possible_class{'not_charged_try'};
1193: $button=1;
1194: } elsif ($award eq 'EXCESS_FILESIZE') {
1195: $message = &mt("Submission won't be graded. The combined size of submitted files exceeded the amount allowed.");
1196: $css_class=$possible_class{'not_charged_try'};
1197: $button=1;
1198: } elsif ($award eq 'FILENAME_INUSE') {
1199: $message = &mt('You have already uploaded a file with that filename.');
1200: if ($target eq 'tex') {
1201: $message.= "\\\\\n";
1202: } else {
1203: $message .= '<br />';
1204: }
1205: $message .= &mt('Please use a different filename.');
1206: $css_class=$possible_class{'not_charged_try'};
1207: $button=1;
1208: } elsif ($award eq 'INVALID_FILETYPE') {
1209: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1210: $css_class=$possible_class{'not_charged_try'};
1211: $button=1;
1212: } elsif ($award eq 'SIG_FAIL') {
1213: my ($used,$min,$max)=split(':',$awardmsg);
1214: my $word = ($used < $min) ? 'more' : 'fewer';
1215: $message = &mt("Submission not graded. Use $word significant figures.");
1216: if (&Apache::lonhomework::show_some_problem_status()) {
1217: $css_class=$possible_class{'no_charge_warn'};
1218: } else {
1219: $css_class=$possible_class{'not_charged_try'};
1220: }
1221: $button=1;
1222: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1223: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1224: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1225: $css_class=$possible_class{'not_charged_try'};
1226: $button=1;
1227: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1228: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1229: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1230: if (&Apache::lonhomework::show_some_problem_status()) {
1231: $css_class=$possible_class{'no_charge_warn'};
1232: } else {
1233: $css_class=$possible_class{'not_charged_try'};
1234: }
1235: $button=1;
1236: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1237: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1238: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1239: if (&Apache::lonhomework::show_some_problem_status()) {
1240: $css_class=$possible_class{'no_charge_warn'};
1241: } else {
1242: $css_class=$possible_class{'not_charged_try'};
1243: }
1244: $button=1;
1245: } elsif ($award eq 'UNIT_NOTNEEDED') {
1246: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1247: if (&Apache::lonhomework::show_some_problem_status()) {
1248: $css_class=$possible_class{'no_charge_warn'};
1249: } else {
1250: $css_class=$possible_class{'not_charged_try'};
1251: }
1252: $button=1;
1253: } elsif ($award eq 'NO_UNIT') {
1254: $message = &mt("Units required").'.';
1255: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1256: if (&Apache::lonhomework::show_some_problem_status()) {
1257: $css_class=$possible_class{'no_charge_warn'};
1258: } else {
1259: $css_class=$possible_class{'not_charged_try'};
1260: }
1261: $button=1;
1262: } elsif ($award eq 'COMMA_FAIL') {
1263: $message = &mt("Proper comma separation is required").'.';
1264: $css_class=$possible_class{'not_charged_try'};
1265: $button=1;
1266: } elsif ($award eq 'BAD_FORMULA') {
1267: $message = &mt("Unable to understand formula").'.';
1268: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1269: $css_class=$possible_class{'not_charged_try'};
1270: $button=1;
1271: } elsif ($award eq 'NOT_FUNCTION') {
1272: $message = &mt("Not a function").'.';
1273: $css_class=$possible_class{'not_charged_try'};
1274: $button=1;
1275: } elsif ($award eq 'WRONG_FORMAT') {
1276: $message = &mt("Wrong format").'.';
1277: $css_class=$possible_class{'not_charged_try'};
1278: $button=1;
1279: } elsif ($award eq 'INTERNAL_ERROR') {
1280: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1281: $css_class=$possible_class{'not_charged_try'};
1282: $button=1;
1283: } elsif ($award eq 'INCORRECT') {
1284: $message = &mt("Incorrect").'.';
1285: $css_class=$possible_class{'charged_try'};
1286: $button=1;
1287: } elsif ($award eq 'SUBMITTED') {
1288: $message = &mt("Your submission has been recorded.");
1289: $css_class=$possible_class{'no_grade'};
1290: $button=1;
1291: } elsif ($award eq 'SUBMITTED_CREDIT') {
1292: $message = &mt("Your submission has been recorded, and credit awarded.");
1293: $css_class=$possible_class{'correct'};
1294: $button=1;
1295: } elsif ($award eq 'ANONYMOUS') {
1296: $message = &mt("Your anonymous submission has been recorded.");
1297: $css_class=$possible_class{'no_grade'};
1298: $button=1;
1299: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1300: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1301: $css_class=$possible_class{'correct'};
1302: $button=1;
1303: } elsif ($award eq 'DRAFT') {
1304: $message = &mt("Copy saved but not submitted.");
1305: $css_class=$possible_class{'not_charged_try'};
1306: $button=1;
1307: } elsif ($award eq 'ASSIGNED_SCORE') {
1308: $message = &mt("A score has been assigned.");
1309: $css_class=$possible_class{'correct'};
1310: $button=0;
1311: } elsif ($award eq '') {
1312: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1313: $message = &mt("Nothing submitted.");
1314: $css_class=$possible_class{'charged_try'};
1315: } else {
1316: $css_class=$possible_class{'not_charged_try'};
1317: }
1318: $button=1;
1319: } else {
1320: $message = &mt("Unknown message").": $award";
1321: $button=1;
1322: }
1323: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1324: foreach my $resid(@Apache::inputtags::response){
1325: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1326: if ($target eq 'tex') {
1327: $message.= "\\\\\n";
1328: } else {
1329: $message.='<br />';
1330: }
1331: my @files = split(/\s*,\s*/,
1332: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1333: my $file_msg;
1334: foreach my $file (@files) {
1335: if ($target eq 'tex') {
1336: $file_msg.= "\\\\\n".$file;
1337: } else {
1338: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1339: }
1340: }
1341: $message .= &mt('Returned file(s): [_1]',$file_msg);
1342: if ($target eq 'tex') {
1343: $message.= "\\\\\n";
1344: } else {
1345: $message.='<br />';
1346: }
1347: }
1348: }
1349:
1350: if (&Apache::lonhomework::hide_problem_status()
1351: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1352: && &hide_award($award)) {
1353: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1354: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1355: if ($interval[0] =~ /\d+/) {
1356: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1357: if (defined($first_access)) {
1358: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1359: my ($timelimit) = ($interval[0] =~ /^(\d+)/);
1360: unless (($due_date) && ($due_date < $first_access + $timelimit)) {
1361: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1362: }
1363: }
1364: }
1365: $css_class=$possible_class{'no_grade'};
1366: $button=1;
1367: }
1368: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1369: !$added_computer_text && $target ne 'tex') {
1370: if ($computer) {
1371: $message = "$computer $message";
1372: }
1373: $added_computer_text=1;
1374: }
1375: if ($Apache::lonhomework::type eq 'practice') {
1376: if ($target eq 'web') {
1377: $message .= '<br />';
1378: } else {
1379: $message .= ' ';
1380: }
1381: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1382: }
1383: return ($button,$css_class,$message,$previousmsg);
1384: }
1385:
1386: sub markup_unit {
1387: my ($unit,$target)=@_;
1388: if ($target eq 'tex') {
1389: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1390: } else {
1391: return "<tt>".$unit."</tt>";
1392: }
1393: }
1394:
1395: sub removealldata {
1396: my ($id)=@_;
1397: foreach my $key (keys(%Apache::lonhomework::results)) {
1398: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1399: &Apache::lonxml::debug("Removing $key");
1400: delete($Apache::lonhomework::results{$key});
1401: }
1402: }
1403: }
1404:
1405: sub hidealldata {
1406: my ($id)=@_;
1407: foreach my $key (keys(%Apache::lonhomework::results)) {
1408: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1409: &Apache::lonxml::debug("Hidding $key");
1410: my $newkey=$key;
1411: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1412: $Apache::lonhomework::results{$newkey}=
1413: $Apache::lonhomework::results{$key};
1414: delete($Apache::lonhomework::results{$key});
1415: }
1416: }
1417: }
1418:
1419: sub setgradedata {
1420: my ($award,$msg,$id,$previously_used) = @_;
1421: if ($Apache::lonhomework::scantronmode &&
1422: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1423: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1424: } elsif ($Apache::lonhomework::scantronmode &&
1425: $env{'form.CODE'} eq '' &&
1426: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1427: $Apache::lonhomework::results{"resource.CODE"}='';
1428: }
1429:
1430: if (!$Apache::lonhomework::scantronmode &&
1431: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1432: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1433: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1434: return '';
1435: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1436: || $Apache::lonhomework::scantronmode
1437: || &Apache::lonhomework::hide_problem_status() ) {
1438: # the student doesn't already have it correct,
1439: # or we are in a mode (scantron orno problem status) where a correct
1440: # can become incorrect
1441: # handle assignment of tries and solved status
1442: my $solvemsg;
1443: if ($Apache::lonhomework::scantronmode) {
1444: $solvemsg='correct_by_scantron';
1445: } else {
1446: $solvemsg='correct_by_student';
1447: }
1448: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1449: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1450: }
1451: if ( $award eq 'ASSIGNED_SCORE') {
1452: $Apache::lonhomework::results{"resource.$id.tries"} =
1453: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1454: $Apache::lonhomework::results{"resource.$id.solved"} =
1455: $solvemsg;
1456: my $numawards=scalar(@Apache::inputtags::response);
1457: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1458: foreach my $res (@Apache::inputtags::response) {
1459: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1460: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1461: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1462: } else {
1463: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1464: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1465: }
1466: }
1467: if ($numawards > 0) {
1468: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1469: $numawards;
1470: }
1471: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1472: $Apache::lonhomework::results{"resource.$id.tries"} =
1473: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1474: $Apache::lonhomework::results{"resource.$id.solved"} =
1475: $solvemsg;
1476: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1477: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1478: $Apache::lonhomework::results{"resource.$id.tries"} =
1479: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1480: $Apache::lonhomework::results{"resource.$id.solved"} =
1481: 'credit_attempted';
1482: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1483: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1484: $Apache::lonhomework::results{"resource.$id.tries"} =
1485: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1486: $Apache::lonhomework::results{"resource.$id.solved"} =
1487: 'credit_attempted';
1488: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1489: } elsif ( $award eq 'INCORRECT' ) {
1490: $Apache::lonhomework::results{"resource.$id.tries"} =
1491: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1492: if (&Apache::lonhomework::hide_problem_status()
1493: || $Apache::lonhomework::scantronmode) {
1494: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1495: }
1496: $Apache::lonhomework::results{"resource.$id.solved"} =
1497: 'incorrect_attempted';
1498: } elsif ( $award eq 'SUBMITTED' ) {
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 'ANONYMOUS' ) {
1504: $Apache::lonhomework::results{"resource.$id.tries"} =
1505: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1506: $Apache::lonhomework::results{"resource.$id.solved"} =
1507: 'ungraded_attempted';
1508: } elsif ( $award eq 'DRAFT' ) {
1509: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1510: } elsif ( $award eq 'NO_RESPONSE' ) {
1511: #no real response so delete any data that got stored
1512: &removealldata($id);
1513: return '';
1514: } else {
1515: $Apache::lonhomework::results{"resource.$id.solved"} =
1516: 'incorrect_attempted';
1517: if (&Apache::lonhomework::show_no_problem_status()
1518: || $Apache::lonhomework::scantronmode) {
1519: $Apache::lonhomework::results{"resource.$id.tries"} =
1520: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1521: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1522: }
1523:
1524: if (&Apache::lonhomework::show_some_problem_status()) {
1525: # clear out the awarded if they had gotten it wrong/right
1526: # and are now in an error mode
1527: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1528: }
1529: }
1530: if (defined($msg)) {
1531: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1532: }
1533: # did either of the overall awards chage? If so ignore the
1534: # previous check
1535: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1536: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1537: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1538: $Apache::lonhomework::history{"resource.$id.solved"})) {
1539: # check if this was a previous submission if it was delete the
1540: # unneeded data and update the previously_used attribute
1541: if ( $previously_used eq 'PREVIOUSLY_USED') {
1542: if (&Apache::lonhomework::show_problem_status()) {
1543: delete($Apache::lonhomework::results{"resource.$id.tries"});
1544: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1545: }
1546: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1547: #delete all data as they student didn't do anything, but save
1548: #the list of collaborators.
1549: &removealldata($id);
1550: #and since they didn't do anything we were never here
1551: return '';
1552: } else {
1553: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1554: }
1555: }
1556: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1557: #delete all data as they student already has it correct
1558: &removealldata($id);
1559: #and since they didn't do anything we were never here
1560: return '';
1561: }
1562: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1563: if ($award eq 'SUBMITTED') {
1564: &Apache::response::add_to_gradingqueue();
1565: }
1566: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1567: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1568: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1569: $Apache::lonhomework::results{"resource.$id.version"} = &Apache::lonnet::usedversion();
1570: $Apache::lonhomework::results{"resource.$id.maxtries"} = &Apache::lonnet::EXT("resource.$id.maxtries");
1571: }
1572:
1573: sub find_which_previous {
1574: my ($version) = @_;
1575: my $part = $Apache::inputtags::part;
1576: my (@previous_version);
1577: foreach my $resp (@Apache::inputtags::response) {
1578: my $key = "$version:resource.$part.$resp.submission";
1579: my $submission = $Apache::lonhomework::history{$key};
1580: my %previous = &Apache::response::check_for_previous($submission,
1581: $part,$resp,
1582: $version);
1583: push(@previous_version,$previous{'version'});
1584: }
1585: return &previous_match(\@previous_version,
1586: scalar(@Apache::inputtags::response));
1587: }
1588:
1589: sub previous_match {
1590: my ($previous_array,$count) = @_;
1591: my $match = 0;
1592: my @matches;
1593: foreach my $versionar (@$previous_array) {
1594: foreach my $version (@$versionar) {
1595: $matches[$version]++;
1596: }
1597: }
1598: my $which=0;
1599: foreach my $elem (@matches) {
1600: if ($elem eq $count) {
1601: $match=1;
1602: last;
1603: }
1604: $which++;
1605: }
1606: return ($match,$which);
1607: }
1608:
1609: sub grade {
1610: my ($target) = @_;
1611: my $id = $Apache::inputtags::part;
1612: my $response='';
1613: if ( defined $env{'form.submitted'}) {
1614: my (@awards,@msgs);
1615: foreach $response (@Apache::inputtags::response) {
1616: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1617: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1618: &Apache::lonxml::debug("keeping $value from $response for $id");
1619: push (@awards,$value);
1620: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1621: &Apache::lonxml::debug("got message $value from $response for $id");
1622: push (@msgs,$value);
1623: }
1624: my ($finalaward,$msg) =
1625: &finalizeawards(\@awards,\@msgs,undef,undef,
1626: $Apache::lonhomework::scantronmode);
1627: my $previously_used;
1628: if ( $#Apache::inputtags::previous eq $#awards ) {
1629: my ($match) =
1630: &previous_match(\@Apache::inputtags::previous_version,
1631: scalar(@Apache::inputtags::response));
1632:
1633: if ($match) {
1634: $previously_used = 'PREVIOUSLY_LAST';
1635: foreach my $value (@Apache::inputtags::previous) {
1636: if ($value eq 'PREVIOUSLY_USED' ) {
1637: $previously_used = $value;
1638: last;
1639: }
1640: }
1641: }
1642: }
1643: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1644: &setgradedata($finalaward,$msg,$id,$previously_used);
1645: }
1646: return '';
1647: }
1648:
1649: sub get_grade_messages {
1650: my ($id,$prefix,$target,$status,$nocorrect,$tdclass) = @_;
1651: # nocorrect suppresses "Computer's answer now shown above"
1652: my ($message,$latemessage,$trystr,$previousmsg);
1653: my $showbutton = 1;
1654:
1655: my $award = $Apache::lonhomework::history{"$prefix.award"};
1656: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1657: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1658: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1659: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1660: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1661: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1662: &Apache::lonxml::debug('Getting message');
1663: ($showbutton,my $css_class,$message,$previousmsg) =
1664: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1665: $target,(($status eq 'CAN_ANSWER') || $nocorrect),$tdclass);
1666: if ($target eq 'tex') {
1667: $message='\vskip 2 mm '.$message.' ';
1668: } else {
1669: $message="<td class=\"$tdclass $css_class\">$message</td>";
1670: if ($previousmsg) {
1671: $previousmsg="<td class=\"$tdclass LC_answer_previous\">$previousmsg</td>";
1672: }
1673: }
1674: }
1675: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1676: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1677: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1678: #if tries are set to negative turn off the Tries/Button and messages
1679: if (defined($maxtries) && $maxtries < 0) { return ''; }
1680: if ( $tries eq '' ) { $tries = '0'; }
1681: if ( $maxtries eq '' ) { $maxtries = '2'; }
1682: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1683: my $tries_text= &get_tries_text();
1684: if ($showbutton) {
1685: if ($target eq 'tex') {
1686: if ($env{'request.state'} ne "construct"
1687: && $Apache::lonhomework::type ne 'exam'
1688: && $env{'form.suppress_tries'} ne 'yes') {
1689: $trystr ='{\vskip 1 mm \small '
1690: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1691: ,'\textit{','}',$tries.'/'.$maxtries )
1692: .'} \vskip 2 mm';
1693: } else {
1694: $trystr = '\vskip 0 mm ';
1695: }
1696: } else {
1697: my $trial =$tries;
1698: if ($Apache::lonhomework::parsing_a_task) {
1699: } elsif($env{'request.state'} ne 'construct') {
1700: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1701: } else {
1702: if (defined($Apache::inputtags::params{'maxtries'})) {
1703: $trial.="/".$Apache::inputtags::params{'maxtries'};
1704: }
1705: }
1706: $trystr = '<td class="'.$tdclass.'"><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1707: }
1708: }
1709:
1710: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1711: #last submissions was after due date
1712: $latemessage=&mt(' The last submission was after the Due Date ');;
1713: if ($target eq 'web') {
1714: $latemessage='<td class="'.$tdclass.' LC_answer_late">'.$latemessage.'</td>';
1715: }
1716: }
1717: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1718: }
1719:
1720: sub gradestatus {
1721: my ($id,$target,$no_previous) = @_;
1722: my $showbutton = 1;
1723: my $message = '';
1724: my $latemessage = '';
1725: my $trystr='';
1726: my $button='';
1727: my $previousmsg='';
1728: my $tdclass='';
1729:
1730: my $status = $Apache::inputtags::status['-1'];
1731: &Apache::lonxml::debug("gradestatus has :$status:");
1732: if ( $status ne 'CLOSED'
1733: && $status ne 'UNAVAILABLE'
1734: && $status ne 'INVALID_ACCESS'
1735: && $status ne 'NEEDS_CHECKIN'
1736: && $status ne 'NOT_IN_A_SLOT'
1737: && $status ne 'RESERVABLE'
1738: && $status ne 'RESERVABLE_LATER'
1739: && $status ne 'NOTRESERVABLE') {
1740:
1741: if ($status eq 'SHOW_ANSWER') {
1742: $showbutton = 0;
1743: }
1744:
1745: unless (($status eq 'SHOW_ANSWER') || ($status eq 'CANNOT_ANSWER')) {
1746: if ($target ne 'tex') {
1747: $tdclass = 'LC_status_submit_'.$id;
1748: }
1749: }
1750:
1751: ($previousmsg,$latemessage,$message,$trystr) =
1752: &get_grade_messages($id,"resource.$id",$target,$status,
1753: $showbutton,$tdclass);
1754: if ($status eq 'CANNOT_ANSWER') {
1755: $showbutton = 0;
1756: }
1757: if ( $status eq 'SHOW_ANSWER') {
1758: undef($previousmsg);
1759: }
1760: if ( $showbutton ) {
1761: if ($target ne 'tex') {
1762: if ($env{'form.disable_submit'}) {
1763: $button = '<input type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit" value="'.&mt('Submit Answer').'" disabled="disabled" /> '.
1764: '<div id="msg_submit_'.$id.'" style="display:none"></div>';
1765: } else {
1766: $button =
1767: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1768: type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit"
1769: value="'.&mt('Submit Answer').'" /> '.
1770: '<div id="msg_submit_'.$id.'" style="display:none">'.
1771: &mt('Processing your submission ...').'</div>';
1772: }
1773: }
1774: }
1775:
1776: }
1777: my $output= $previousmsg.$latemessage.$message.$trystr;
1778: if ($output =~ /^\s*$/) {
1779: return $button;
1780: } else {
1781: if ($target eq 'tex') {
1782: return $button.' \vskip 0 mm '.$output.' ';
1783: } else {
1784: $output =
1785: '<table><tr><td>'.$button.'</td>'.$output;
1786: if (!$no_previous) {
1787: $output.='<td class="'.$tdclass.'">'.&previous_tries($id,$target).'</td>';
1788: }
1789: $output.= '</tr></table>';
1790: return $output;
1791: }
1792: }
1793: }
1794:
1795: sub previous_tries {
1796: my ($id,$target) = @_;
1797: my $output;
1798: my $status = $Apache::inputtags::status['-1'];
1799:
1800: my $count;
1801: my %count_lookup;
1802: my ($lastrndseed,$lasttype);
1803: my $numstamps = 0;
1804:
1805: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1806: my $prefix = $i.":resource.$id";
1807: my $is_anon;
1808: my $curr_type = $Apache::lonhomework::history{"$prefix.type"};
1809: if (defined($env{'form.grade_symb'})) {
1810: if (($curr_type eq 'anonsurvey') || ($curr_type eq 'anonsurveycred')) {
1811: $is_anon = 1;
1812: }
1813: }
1814: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1815: $count++;
1816: $count_lookup{$i} = $count;
1817: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1818: my ($previousmsg,$latemessage,$message,$trystr);
1819:
1820: ($previousmsg,$latemessage,$message,$trystr) =
1821: &get_grade_messages($id,"$prefix",$target,$status);
1822:
1823: if ($previousmsg ne '') {
1824: my ($match,$which) = &find_which_previous($i);
1825: $message=$previousmsg;
1826: my $previous = $count_lookup{$which};
1827: $message =~ s{(</td>)}{ as submission \# $previous $1};
1828: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1829: if (!(&Apache::lonhomework::hide_problem_status()
1830: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1831: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1832: ) {
1833:
1834: my $txt_correct = &mt('Correct');
1835: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1836: if ($awarded < 1 && $awarded > 0) {
1837: $txt_correct=&mt('Partially Correct');
1838: } elsif ($awarded < 1) {
1839: if ($awarded eq '') {
1840: $txt_correct='';
1841: } else {
1842: $txt_correct=&mt('Incorrect');
1843: }
1844: }
1845: $message =~ s{(<td.*?>)(.*?)(</td>)}
1846: {$1 <strong>$txt_correct</strong>. $3}s;
1847: }
1848: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1849: if (($curr_rndseed ne '') && ($lastrndseed ne '')) {
1850: if (($curr_rndseed ne $lastrndseed) &&
1851: (($curr_type eq 'randomizetry') || ($lasttype eq 'randomizetry'))) {
1852: $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>';
1853: }
1854: }
1855: $message =~ s{(</td>)}{ $trystr $1};
1856: }
1857: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1858: $message =~ s{(<td.*?>)}{<td>};
1859:
1860:
1861: $output .= '<tr class="'.$class.'">'.
1862: '<td align="center">'.$count.'</td>'.$message;
1863: if ((!$is_anon) && ($Apache::lonhomework::history{"$prefix.tries"}) &&
1864: ($Apache::lonhomework::history{"$prefix.award"} ne 'ASSIGNED_SCORE') &&
1865: ($Apache::lonhomework::history{$i.':timestamp'})) {
1866: $output .= '<td>'.&Apache::lonlocal::locallocaltime(
1867: $Apache::lonhomework::history{$i.':timestamp'}).'</td>';
1868: $numstamps ++;
1869: } else {
1870: $output .= '<td></td>';
1871: }
1872: foreach my $resid (@Apache::inputtags::response) {
1873: my $prefix = $prefix.".$resid";
1874: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1875: my $submission =
1876: $Apache::inputtags::submission_display{"$prefix.submission"};
1877: if (!defined($submission)) {
1878: $submission =
1879: $Apache::lonhomework::history{"$prefix.submission"};
1880: }
1881: if ($is_anon) {
1882: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1883: } else {
1884: $output.='<td>'.$submission.'</td>';
1885: }
1886: } else {
1887: $output.='<td></td>';
1888: }
1889: }
1890: $output.=&Apache::loncommon::end_data_table_row()."\n";
1891: $lastrndseed = $curr_rndseed;
1892: $lasttype = $curr_type;
1893: }
1894: return if ($output eq '');
1895: my $headers = '<tr>'.
1896: '<th>'.&mt('Submission #').'</th>'.
1897: '<th>'.&mt('Try').'</th><th>';
1898: if ($numstamps) {
1899: $headers .= &mt('When');
1900: }
1901: $headers .= '</th>';
1902: my $colspan = scalar(@Apache::inputtags::response);
1903: if ($colspan > 1) {
1904: $headers .= '<th colspan="'.$colspan.'">';
1905: } else {
1906: $headers .= '<th>';
1907: }
1908: $headers .= &mt('Submitted Answer').'</th></tr>';
1909: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1910:
1911: my $tries_text = &get_tries_text('link');
1912: my $prefix = $env{'form.request.prefix'};
1913: $prefix =~ tr{.}{_};
1914: my $function_name = 'LONCAPA_previous_tries_'.$prefix;
1915: if (($env{'request.state'} eq 'construct') || ($id =~ /\W/)) {
1916: $function_name .= $Apache::lonxml::curdepth;
1917: } else {
1918: $function_name .= $id;
1919: }
1920: $function_name .= '_'.$Apache::lonxml::counter;
1921: my $possmathjax = 1;
1922: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,
1923: &mt($tries_text),$possmathjax)."<br />";
1924: return $result;
1925: }
1926:
1927: sub get_tries_text {
1928: my ($context) = @_;
1929: my $tries_text;
1930: if ($context eq 'link') {
1931: $tries_text = 'Previous Tries';
1932: } else {
1933: $tries_text = 'Tries';
1934: }
1935: if ( $Apache::lonhomework::type eq 'survey' ||
1936: $Apache::lonhomework::type eq 'surveycred' ||
1937: $Apache::lonhomework::type eq 'anonsurvey' ||
1938: $Apache::lonhomework::type eq 'anonsurveycred' ||
1939: $Apache::lonhomework::parsing_a_task) {
1940: if ($context eq 'link') {
1941: $tries_text = 'Previous Submissions';
1942: } else {
1943: $tries_text = 'Submissions';
1944: }
1945: }
1946: return $tries_text;
1947: }
1948:
1949: sub spelling_languages {
1950: my %langchoices;
1951: foreach my $id (&Apache::loncommon::languageids()) {
1952: my $code = &Apache::loncommon::supportedlanguagecode($id);
1953: if ($code ne '') {
1954: $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
1955: }
1956: }
1957: my @spelllangs = ('none');
1958: foreach my $code ('en','de','he','es','fr','pt','tr') {
1959: push(@spelllangs,[$code,$langchoices{$code}]);
1960: }
1961: return \@spelllangs;
1962: }
1963:
1964: sub edit_mathresponse_button {
1965: my ($field) = @_;
1966: my $eqneditor = 'lcmath';
1967: if ($env{'browser.type'} eq 'safari') {
1968: if ($env{'browser.os'} eq 'mac') {
1969: my ($prefix,$version) = ($env{'browser.version'} =~ /^(\d*)(\d{3})\./);
1970: if ($env{'browser.mobile'}) {
1971: if (($version < 531) || (($prefix eq '') && ($version < 533))) {
1972: $eqneditor = '';
1973: }
1974: } elsif ($version < 533) {
1975: $eqneditor = 'dragmath';
1976: }
1977: } elsif ($env{'browser.os'} eq 'win') {
1978: if ($env{'browser.version'} < 533) {
1979: $eqneditor = 'dragmath';
1980: }
1981: }
1982: } elsif ($env{'browser.type'} eq 'explorer') {
1983: if ($env{'browser.version'} < 9) {
1984: $eqneditor = 'dragmath';
1985: }
1986: } elsif ($env{'browser.type'} eq 'mozilla') {
1987: if ($env{'browser.version'} < 5) {
1988: $eqneditor = 'dragmath';
1989: } else {
1990: if ($env{'browser.info'} =~ /^firefox\-([\d\.]+)/) {
1991: my $firefox = $1;
1992: if ($firefox < 4) {
1993: $eqneditor = 'dragmath';
1994: }
1995: }
1996: }
1997: } elsif ($env{'browser.type'} eq 'chrome') {
1998: if ($env{'browser.version'} < 5) {
1999: $eqneditor = 'dragmath';
2000: }
2001: } elsif ($env{'browser.type'} eq 'opera') {
2002: if ($env{'browser.version'} < 12) {
2003: $eqneditor = 'dragmath';
2004: }
2005: }
2006: if ($eqneditor eq 'lcmath') {
2007: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
2008: if (exists($env{'course.'.$env{'request.course.id'}.'.uselcmath'})) {
2009: if ($env{'course.'.$env{'request.course.id'}.'.uselcmath'} eq '0') {
2010: $eqneditor = 'dragmath';
2011: }
2012: } else {
2013: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
2014: if ($domdefs{'uselcmath'} eq '0') {
2015: $eqneditor = 'dragmath';
2016: }
2017: }
2018: } else {
2019: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
2020: if ($domdefs{'uselcmath'} eq '0') {
2021: $eqneditor = 'dragmath';
2022: }
2023: }
2024: }
2025: if ($eqneditor eq 'dragmath') {
2026: # DragMath applet
2027: my $button=&mt('Edit Answer');
2028: # my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
2029: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
2030: return(<<ENDFORMULABUTTON);
2031: <script type="text/javascript" language="JavaScript">
2032: function LC_mathedit_${field} (LCtextline) {
2033: thenumber = LCtextline;
2034: var thedata = '';
2035: if (document.getElementById(LCtextline)) {
2036: thedata = document.getElementById(LCtextline).value;
2037: }
2038: newwin = window.open("/adm/dragmath/MaximaPopup.html","","width=565,height=400,resizable");
2039: }
2040: </script>
2041: <a href="javascript:LC_mathedit_${field}('${field}');void(0);"><img class="stift" src="$iconpath/stift.gif" alt="$button" title="$button" /></a>
2042: ENDFORMULABUTTON
2043: } elsif ($eqneditor eq 'lcmath') {
2044: # LON-CAPA math equation editor
2045: my $mathjaxjs;
2046: unless (lc(&Apache::lontexconvert::tex_engine()) eq 'mathjax') {
2047: $mathjaxjs = <<"MATHJAX_SCRIPT";
2048: var mathjaxscript = document.createElement("script");
2049: mathjaxscript.type = "text/javascript";
2050: mathjaxscript.src = "/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML";
2051: document.body.appendChild(mathjaxscript);
2052: MATHJAX_SCRIPT
2053: }
2054: return(<<EQ_EDITOR_SCRIPT);
2055: <script type="text/javascript">
2056: var LCmathField = document.getElementById('${field}');
2057: LCmathField.className += ' math'; // note the space
2058: LCmathField.setAttribute('data-implicit_operators', 'true');
2059: var LCMATH_started;
2060: if (typeof LCMATH_started === 'undefined') {
2061: $mathjaxjs
2062: LCMATH_started = true;
2063: var script = document.createElement("script");
2064: script.type = "text/javascript";
2065: script.src = "/adm/LC_math_editor/LC_math_editor.min.js";
2066: document.body.appendChild(script);
2067: window.addEventListener('load', function(e) {
2068: LCMATH.initEditors();
2069: }, false);
2070: }
2071: </script>
2072: EQ_EDITOR_SCRIPT
2073: }
2074: }
2075:
2076: 1;
2077: __END__
2078:
2079: =pod
2080:
2081: =back
2082:
2083: =cut
2084:
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