1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.331 2015/03/10 23:11:22 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27:
28: =pod
29:
30: =head1 NAME
31:
32: Apache::inputtags
33:
34: =head1 SYNOPSIS
35:
36:
37:
38: This is part of the LearningOnline Network with CAPA project
39: described at http://www.lon-capa.org.
40:
41:
42: =head1 NOTABLE SUBROUTINES
43:
44: =over
45:
46: =item
47:
48: =back
49:
50: =cut
51:
52: package Apache::inputtags;
53: use HTML::Entities();
54: use strict;
55: use Apache::loncommon;
56: use Apache::lonhtmlcommon;
57: use Apache::lonlocal;
58: use Apache::lonnet;
59: use LONCAPA;
60:
61:
62: BEGIN {
63: &Apache::lonxml::register('Apache::inputtags',('hiddensubmission','hiddenline','textfield','textline'));
64: }
65:
66: =pod
67:
68: =item initialize_inputtags()
69:
70: Initializes a set of global variables used during the parse of the problem.
71:
72: @Apache::inputtags::input - List of current input ids.
73: @Apache::inputtags::inputlist - List of all input ids seen this problem.
74: @Apache::inputtags::response - List of all current resopnse ids.
75: @Apache::inputtags::responselist - List of all response ids seen this
76: problem.
77: @Apache::inputtags::hint - List of all hint ids.
78: @Apache::inputtags::hintlist - List of all hint ids seen this problem.
79: @Apache::inputtags::previous - List describing if specific responseds
80: have been used
81: @Apache::inputtags::previous_version - Submission responses were used in.
82: $Apache::inputtags::part - Current part id (valid only in
83: <problem>)
84: 0 if not in a part.
85: @Apache::inputtags::partlist - List of part ids seen in the current
86: <problem>
87: @Apache::inputtags::status - List of problem statuses. First
88: element is the status of the <problem>
89: the remainder are for individual <part>s.
90: %Apache::inputtags::params - Hash of defined parameters for the
91: current response.
92: @Apache::inputtags::import - List of all ids for <import> thes get
93: join()ed and prepended.
94: @Apache::inputtags::importlist - List of all import ids seen.
95: $Apache::inputtags::response_with_no_part
96: - Flag set true if we have seen a response
97: that is not inside a <part>
98: %Apache::inputtags::answertxt - <*response> tags store correct
99: answer strings for display by <textline/>
100: in this hash.
101: %Apache::inputtags::submission_display
102: - <*response> tags store improved display
103: of submission strings for display by part
104: end.
105:
106: =cut
107:
108: sub initialize_inputtags {
109: @Apache::inputtags::input=();
110: @Apache::inputtags::inputlist=();
111: @Apache::inputtags::response=();
112: @Apache::inputtags::responselist=();
113: @Apache::inputtags::hint=();
114: @Apache::inputtags::hintlist=();
115: @Apache::inputtags::previous=();
116: @Apache::inputtags::previous_version=();
117: $Apache::inputtags::part='';
118: @Apache::inputtags::partlist=();
119: @Apache::inputtags::status=();
120: %Apache::inputtags::params=();
121: @Apache::inputtags::import=();
122: @Apache::inputtags::importlist=();
123: $Apache::inputtags::response_with_no_part=0;
124: %Apache::inputtags::answertxt=();
125: %Apache::inputtags::submission_display=();
126: }
127:
128: #
129: # provides the onblur binding for spellchecking. This could be an
130: # empty string if spellchecking was not enabled.
131: # Jquery selector binding is done rather than setting an onblur
132: # attribute because we'll need to set the element's spellcheck language
133: # option dynamically so we need $(this) to be defined.
134: #
135: # @param id - The element id to bind.
136: # @param lang - Language in which spellchecking is desired.
137: # if undef, nothing is generated.
138: # @return string - onblur specification to do the requested spellchecking.
139: #
140: sub spellcheck_onblur {
141: my ($id, $lang) = @_;
142: my $result = '';
143: if ($lang) {
144:
145: $result = <<JAVASCRIPT;
146: <script type="text/javascript">
147: \$('\#$id').blur(function() {
148: doSpellcheck('\#$id', '$lang');
149: });
150: </script>
151:
152: JAVASCRIPT
153:
154:
155: }
156: return $result;
157: }
158:
159: sub check_for_duplicate_ids {
160: my %check;
161: foreach my $id (@Apache::inputtags::partlist,
162: @Apache::inputtags::responselist,
163: @Apache::inputtags::hintlist,
164: @Apache::inputtags::importlist) {
165: $check{$id}++;
166: }
167: my @duplicates;
168: foreach my $id (sort(keys(%check))) {
169: if ($check{$id} > 1) {
170: push(@duplicates,$id);
171: }
172: }
173: if (@duplicates) {
174: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
175: }
176: }
177:
178: sub start_input {
179: my ($parstack,$safeeval)=@_;
180: my $id = &Apache::lonxml::get_id($parstack,$safeeval);
181: push (@Apache::inputtags::input,$id);
182: push (@Apache::inputtags::inputlist,$id);
183: return $id;
184: }
185:
186: sub end_input {
187: pop @Apache::inputtags::input;
188: return '';
189: }
190:
191: sub addchars {
192: my ($fieldid,$addchars)=@_;
193: my $output='';
194: foreach (split(/\,/,$addchars)) {
195: $output.='<a href="javascript:void(document.forms.lonhomework.'.
196: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
197: }
198: return $output;
199: }
200:
201: sub start_textfield {
202: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
203: my $result = "";
204: my $id = &start_input($parstack,$safeeval);
205: my $resid=$Apache::inputtags::response[-1];
206: if ($target eq 'web') {
207: $Apache::lonxml::evaluate--;
208: my $partid=$Apache::inputtags::part;
209: my ($oldresponse,$newvariation);
210: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
211: ($Apache::lonhomework::type eq 'randomizetry')) &&
212: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
213: if ($env{'form.'.$partid.'.rndseed'} ne
214: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
215: $newvariation = 1;
216: }
217: }
218: unless ($newvariation) {
219: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
220: (($env{'form.grade_username'} eq $env{'user.name'}) &&
221: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
222: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"};
223: } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') ||
224: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred')) {
225: $oldresponse = '* '.&mt('(only shown to submitter)').' *';
226: } else {
227: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"};
228: }
229: }
230: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
231: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
232: if ( $cols eq '') { $cols = 80; }
233: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
234: if ( $rows eq '') { $rows = 16; }
235: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
236: $result='';
237: my $tagident = 'HWVAL_' . $resid;
238: my $itemid = 'HWVAL_'.$partid.'_'.$resid;
239: if ($addchars) {
240: $result.=&addchars($tagident, $addchars);
241: }
242: my $textareaclass;
243: unless (&Apache::londefdef::is_inside_of($tagstack,
244: 'externalresponse')) {
245: $textareaclass = 'class="LC_richDetectHtml spellchecked"';
246: }
247: $result.= '<textarea wrap="hard" name="'.$tagident.'" id="'.$itemid.'" ' .
248: 'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass
249: .'>'.
250: &HTML::Entities::encode($oldresponse,'<>&"');
251: if ($oldresponse ne '') {
252:
253: #get rid of any startup text if the user has already responded
254: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
255: }
256: } else {
257: #show past answer in the essayresponse case
258: if ($oldresponse =~ /\S/
259: && &Apache::londefdef::is_inside_of($tagstack,
260: 'essayresponse') ) {
261: $result='<table class="LC_pastsubmission"><tr><td>'.
262: &HTML::Entities::encode($oldresponse,'"<>&').
263: '</td></tr></table>';
264: }
265: #get rid of any startup text
266: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
267: }
268: } elsif ($target eq 'grade') {
269: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
270: $style);
271: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
272: # if the seed text is still there it wasn't a real submission
273: $env{'form.HWVAL_'.$resid}='';
274: }
275: } elsif ($target eq 'edit') {
276: $result.=&Apache::edit::tag_start($target,$token);
277: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
278: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
279: $result.=&Apache::edit::text_arg
280: ('Click-On Texts (comma sep):','addchars',$token,10);
281: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
282: $style);
283: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
284: my $spell_langs = &spelling_languages();
285: $result .= &Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
286: $spell_langs, $token);
287: } elsif ($target eq 'modified') {
288: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
289: $safeeval,'rows','cols',
290: 'addchars', 'spellcheck');
291: if ($constructtag) {
292: $result = &Apache::edit::rebuild_tag($token);
293: } else {
294: $result=$token->[4];
295: }
296: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
297: } elsif ($target eq 'tex') {
298: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
299: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
300: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
301: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
302: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
303: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
304: } else {
305: if ($env{'form.pdfFormFields'} eq 'yes') {
306: my $fieldname = $env{'request.symb'}.
307: '&part_'. $Apache::inputtags::part.
308: '&textresponse'.
309: '&HWVAL_' . $Apache::inputtags::response['-1'];
310: $result.='\TextField[name='.$fieldname.',multiline=true,height=6\baselineskip,width=270,borderwidth=0,backgroundcolor={.85 .85 .85}]\\';
311: } else {
312: my $TeXwidth=$width_of_box/80;
313: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
314: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
315: $result.='}}}\vskip 2 mm ';
316: }
317: }
318: }
319: return $result;
320: }
321:
322: sub end_textfield {
323: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
324: my $result;
325: if ($target eq 'web') {
326: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
327: $Apache::lonxml::evaluate++;
328: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
329: my $partid=$Apache::inputtags::part;
330: my $resid = $Apache::inputtags::response[-1];
331: my $itemid = 'HWVAL_' . $partid . '_' . $resid;
332: my $result = "</textarea>";
333: $result .= &spellcheck_onblur($itemid, $spellcheck);
334: return $result;
335: }
336: } elsif ($target eq 'edit') {
337: $result=&Apache::edit::end_table();
338: }
339: &end_input;
340: return $result;
341: }
342:
343: sub exam_score_line {
344: my ($target) = @_;
345:
346: my $result;
347: if ($target eq 'tex') {
348: my $repetition = &Apache::response::repetition();
349: $result.='\begin{enumerate}';
350: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
351: foreach my $i (0..$repetition-1) {
352: $result.='\item[\textbf{'.
353: ($Apache::lonxml::counter+$i).
354: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
355: }
356: $result.= '\end{enumerate}';
357: }
358:
359: return $result;
360: }
361:
362: sub exam_box {
363: my ($target) = @_;
364: my $result;
365:
366: if ($target eq 'tex') {
367: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
368: $result .= &exam_score_line($target);
369: } elsif ($target eq 'web') {
370: my $id=$Apache::inputtags::response[-1];
371: $result.= '<br /><br />
372: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
373: </textarea> <br /><br />';
374: }
375: return $result;
376: }
377:
378: sub needs_exam_box {
379: my ($tagstack) = @_;
380: my @tags = ('formularesponse',
381: 'stringresponse',
382: 'reactionresponse',
383: 'organicresponse',
384: );
385:
386: foreach my $tag (@tags) {
387: if (grep(/\Q$tag\E/,@$tagstack)) {
388: return 1;
389: }
390: }
391: return 0;
392: }
393:
394: sub start_textline {
395: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
396: my $result = "";
397: my $input_id = &start_input($parstack,$safeeval);
398:
399: # The spellcheck attribute
400: # 1. enables spellchecking.
401: # 2. Provides the language code in which the spellchecking will be performed.
402:
403: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
404: if ($target eq 'web') {
405: $Apache::lonxml::evaluate--;
406: my $partid=$Apache::inputtags::part;
407: my $id=$Apache::inputtags::response[-1];
408: if (!&Apache::response::show_answer()) {
409: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
410: my $maxlength;
411: if ($size eq '') { $size=20; } else {
412: if ($size < 20) {
413: $maxlength = ' maxlength="'.$size.'"';
414: }
415: }
416: my ($oldresponse,$newvariation);
417: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
418: ($Apache::lonhomework::type eq 'randomizetry')) &&
419: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
420: if ($env{'form.'.$partid.'.rndseed'} ne
421: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
422: $newvariation = 1;
423: }
424: }
425: unless ($newvariation) {
426: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
427: (($env{'form.grade_username'} eq $env{'user.name'}) &&
428: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
429: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
430: } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') ||
431: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred') ||
432: ($Apache::lonhomework::type eq 'anonsurvey') ||
433: ($Apache::lonhomework::type eq 'anonsurveycred')) {
434: $oldresponse = '* '.&mt('(only shown to submitter)').' *';
435: } else {
436: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
437: }
438: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
439: if (ref($oldresponse) eq 'ARRAY') {
440: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
441: }
442: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
443: $oldresponse =~ s/^\s+//;
444: $oldresponse =~ s/\s+$//;
445: $oldresponse =~ s/\s+/ /g;
446: }
447: if ($Apache::lonhomework::type ne 'exam') {
448: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
449: $result='';
450: if ($addchars) {
451: $result.=&addchars('HWVAL_'.$id,$addchars);
452: }
453: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
454: $safeeval);
455: if (lc($readonly) eq 'yes'
456: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
457: $readonly=' readonly="readonly" ';
458: } else {
459: $readonly='';
460: }
461: my $name = 'HWVAL_'.$id;
462: my $itemid = 'HWVAL_'.$partid.'_'.$id;
463: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
464: $name = "none";
465: }
466: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
467: . ' onfocus="javascript:disableAutoComplete(\''.$itemid.'\');"'
468: . ' type="text" '.$readonly.' name="'. $name . '"'
469: . ' id="' . $itemid . '"'
470: . ' value="'. $oldresponse.'"'
471: . ' class="LC_textline spellchecked" size="'.$size.'"'.$maxlength.' />';
472:
473: $result .= &spellcheck_onblur($itemid, $spellcheck);
474: }
475: if ($Apache::lonhomework::type eq 'exam'
476: && &needs_exam_box($tagstack)) {
477: $result.=&exam_box($target);
478: }
479: } else {
480: #right or wrong don't show what was last typed in.
481: my $count = scalar(@Apache::inputtags::inputlist)-1;
482: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
483: #$result='';
484: }
485: } elsif ($target eq 'edit') {
486: $result=&Apache::edit::tag_start($target,$token);
487: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
488: &Apache::edit::text_arg('Click-On Texts (comma sep):',
489: 'addchars',$token,10);
490: $result.=&Apache::edit::select_arg('Readonly:','readonly',
491: ['no','yes'],$token);
492: my $spell_langs = &spelling_languages();
493: $result.=&Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
494: $spell_langs, $token);
495: $result.=&Apache::edit::end_row();
496: $result.=&Apache::edit::end_table();
497: } elsif ($target eq 'modified') {
498: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
499: $safeeval,'size',
500: 'addchars','readonly', 'spellcheck');
501: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
502: } elsif ($target eq 'tex'
503: && $Apache::lonhomework::type ne 'exam') {
504: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
505: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
506: if ($env{'form.pdfFormFields'} eq 'yes'
507: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
508: my $fieldname = $env{'request.symb'}.
509: '&part_'. $Apache::inputtags::part.
510: '&textresponse'.
511: '&HWVAL_' . $Apache::inputtags::response['-1'];
512: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
513: } else {
514: $result='\framebox['.$size.'][s]{\tiny\strut}';
515: }
516: } elsif ($target eq 'tex'
517: && $Apache::lonhomework::type eq 'exam'
518: && &needs_exam_box($tagstack)) {
519: $result.=&exam_box($target);
520: }
521: return $result;
522: }
523:
524: sub end_textline {
525: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
526: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
527: elsif ($target eq 'edit') { return ('','no'); }
528: &end_input();
529: return "";
530: }
531:
532: sub start_hiddenline {
533: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
534: my $result = "";
535: my $input_id = &start_input($parstack,$safeeval);
536: if ($target eq 'web') {
537: $Apache::lonxml::evaluate--;
538: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
539: my $partid=$Apache::inputtags::part;
540: my $id=$Apache::inputtags::response[-1];
541: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
542: if (ref($oldresponse) eq 'ARRAY') {
543: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
544: }
545: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
546:
547: if ($Apache::lonhomework::type ne 'exam') {
548: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
549: $oldresponse.'" />';
550: }
551: }
552: } elsif ($target eq 'edit') {
553: $result=&Apache::edit::tag_start($target,$token);
554: $result.=&Apache::edit::end_table;
555: }
556:
557: if ( ($target eq 'web' || $target eq 'tex')
558: && $Apache::lonhomework::type eq 'exam'
559: && &needs_exam_box($tagstack)) {
560: $result.=&exam_box($target);
561: }
562: return $result;
563: }
564:
565: sub end_hiddenline {
566: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
567: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
568: elsif ($target eq 'edit') { return ('','no'); }
569: &end_input();
570: return "";
571: }
572:
573:
574: sub start_hiddensubmission {
575: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
576: my $result = "";
577: my $input_id = &start_input($parstack,$safeeval);
578: if ($target eq 'web') {
579: $Apache::lonxml::evaluate--;
580: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
581: my $partid=$Apache::inputtags::part;
582: my $id=$Apache::inputtags::response[-1];
583: if ($Apache::lonhomework::type ne 'exam') {
584: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
585: $value = &HTML::Entities::encode($value,'<>&"');
586: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
587: }
588: }
589: } elsif ($target eq 'edit') {
590: $result=&Apache::edit::tag_start($target,$token);
591: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
592: $result.=&Apache::edit::end_row();
593: $result.=&Apache::edit::end_table();
594: } elsif ($target eq 'modified') {
595: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
596: $safeeval,'value');
597: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
598: }
599:
600: if ( ($target eq 'web' || $target eq 'tex')
601: && $Apache::lonhomework::type eq 'exam'
602: && &needs_exam_box($tagstack)) {
603: $result.=&exam_box($target);
604: }
605: return $result;
606: }
607:
608: sub end_hiddensubmission {
609: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
610: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
611: elsif ($target eq 'edit') { return ('','no'); }
612: &end_input();
613: return "";
614: }
615:
616: =pod
617:
618: =item file_selector()
619:
620: $part -> partid
621: $id -> responseid
622: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
623: $which -> 'uploadonly' -> only newly uploaded files
624: 'portfolioonly' -> only allow files from portfolio
625: 'both' -> allow files from either location
626: $extratext -> additional text to go between the link and the input box
627: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
628: returns a table row <tr>
629:
630: =cut
631:
632: sub file_selector {
633: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
634: if (!$uploadedfiletypes) { return ''; }
635:
636: my $jspart=$part;
637: $jspart=~s/\./_/g;
638:
639: my $result;
640: my $current_files_display = ¤t_file_submissions($part,$id);
641: my $addfiles;
642: if ($current_files_display) {
643: $result .= &Apache::lonhtmlcommon::row_title(&mt('Files currently selected for submission')).
644: $current_files_display.
645: &Apache::lonhtmlcommon::row_closure();
646: $addfiles = &mt('Submit other file(s)');
647: } else {
648: $addfiles = &mt('Choose file(s) to submit');
649: }
650: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
651: my $constraints;
652: if ($uploadedfiletypes ne '*') {
653: $constraints =
654: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
655: }
656: if ($maxfilesize) {
657: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB.',
658: '<b>'.$maxfilesize.'</b>').'<br />';
659: }
660: if ($constraints) {
661: $result .= $constraints.'<br />';
662: }
663: if ($which eq 'uploadonly' || $which eq 'both') {
664: $result.=&mt('Submit a file: (only one file per submission)').
665: ' <br /><input type="file" size="50" name="HWFILE'.
666: $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
667: }
668: if ( $which eq 'both') {
669: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
670: }
671: if ($which eq 'portfolioonly' || $which eq 'both') {
672: my $symb = $env{'request.symb'};
673: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
674: my $showsymb;
675: # If resource is a .task and URL is unencrypted, include symb in query string
676: # for url opened in portfolio file selection window. Can be used to override
677: # blocking of portfolio access resulting from an exam event in a different course.
678: if ($res =~ /\.task$/i) {
679: my $encsymb = &Apache::lonenc::check_encrypt($symb);
680: if ($symb eq $encsymb) {
681: $showsymb = $symb;
682: }
683: }
684: $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"))'."'".'>'.
685: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
686: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
687: '<br />';
688:
689: }
690: $result.=&Apache::lonhtmlcommon::row_closure(1);
691: return $result;
692: }
693:
694: sub current_file_submissions {
695: my ($part,$id) = @_;
696: my $jspart=$part;
697: $jspart=~s/\./_/g;
698: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
699: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
700: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
701: my @unversioned;
702: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
703: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
704: my ($origname,$version,$ext) = &Apache::lonnet::file_name_version_ext($name);
705: unless ($version) {
706: push(@unversioned,$file);
707: }
708: }
709: return if (!@unversioned);
710: my $header = &portpath_popup_js().
711: &Apache::loncommon::start_data_table().
712: &Apache::loncommon::start_data_table_header_row();
713: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
714: $header .= '<th>'.&mt('Delete?').'</th>';
715: }
716: $header .= '<th>'.&mt('File').'</th>'.
717: '<th>'.&mt('Size (MB)').'</th>'.
718: '<th>'.&mt('Last Modified').'</th>'.
719: &Apache::loncommon::end_data_table_header_row();
720: my ($symb,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
721: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
722: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
723: if ($uploadedfile) {
724: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
725: my $link = &HTML::Entities::encode($url,'<>&"');
726: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
727: my ($status,$hashref,$error) =
728: ¤t_file_info($url,$link,$name,$path);
729: if ($status eq 'ok') {
730: push(@{$okfiles{$name}},$url);
731: $rows{$url} = $hashref;
732: $legacy{$url} = 1;
733: &Apache::lonxml::extlink($url);
734: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
735: } else {
736: push(@bad_file_list,$error);
737: }
738: }
739: if (@unversioned > 0) {
740: my $prefix = "/uploaded/$udom/$uname/portfolio";
741: foreach my $file (@unversioned) {
742: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
743: my $url = $prefix.$path.$name;
744: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
745: my ($status,$hashref,$error) =
746: ¤t_file_info($url,$uploadedfile,$name,$path);
747: if ($status eq 'ok') {
748: push(@{$okfiles{$name}},$url);
749: $rows{$url} = $hashref;
750: } else {
751: push(@bad_file_list,$error);
752: }
753: }
754: }
755: my $num = 0;
756: foreach my $name (sort(keys(%okfiles))) {
757: if (ref($okfiles{$name}) eq 'ARRAY') {
758: foreach my $url (@{$okfiles{$name}}) {
759: if (ref($rows{$url}) eq 'HASH') {
760: my $link = $rows{$url}{link};
761: my $portfile = $rows{$url}{path}.$rows{$url}{name};
762: $portfile = &HTML::Entities::encode($portfile,'<>&"');
763: if ($link) {
764: my $icon=&Apache::loncommon::icon($url);
765: unless ($header_shown) {
766: $result .= $header;
767: $header_shown = 1;
768: }
769: $result.=
770: &Apache::loncommon::start_data_table_row()."\n";
771: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
772: $result .=
773: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
774: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
775: $num ++;
776: }
777: my $pathid = 'HWFILE'.$jspart.'_'.$id.'_'.$num.'_path';
778: my $pathidtext = $pathid.'text';
779: my ($showname,$showpath);
780: if ($legacy{$url}) {
781: $showname = $name.' '.&mt('not in portfolio');
782: } else {
783: $showname = $name;
784: $showpath = '<br />'.
785: '<span id="'.$pathidtext.'" class="LC_cusr_subheading">'.
786: '<a href="javascript:showPortPath('."'$pathid','$pathidtext'".');" '.
787: 'class="LC_menubuttons_link">'.
788: &mt('(Show path)').'</a></span>'.
789: '<div id="'.$pathid.'" class="LC_dccid">'.$rows{$url}{path}.$name.
790: '</div>';
791: }
792: $result .=
793: '<td><a href="'.$link.'"><img src="'.$icon.
794: '" border="0" alt="" />'.$showname.'</a>'.$showpath.'</td>'."\n".
795: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
796: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
797: &Apache::loncommon::end_data_table_row();
798: }
799: }
800: }
801: }
802: }
803: if ($header_shown) {
804: $result .= &Apache::loncommon::end_data_table();
805: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
806: $result .= '<br /><span class="LC_warning">'.
807: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
808: }
809: }
810: if (@bad_file_list) {
811: my $bad_files = '<span class="LC_filename">'.
812: join('</span>, <span class="LC_filename">',@bad_file_list).
813: '</span>';
814: $result.='<p class="LC_error">'.
815: &mt("These file(s) don't exist: [_1]",$bad_files).
816: '</p>';
817: }
818: return $result;
819: }
820:
821: sub current_file_info {
822: my ($url,$uploadedfile,$name,$path) = @_;
823: my ($status,$error,%info);
824: my @stat = &Apache::lonnet::stat_file($url);
825: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
826: my ($lastmod,$size);
827: if ($stat[9] =~ /^\d+$/) {
828: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
829: }
830: $size = $stat[7]/(1024*1024);
831: $size = sprintf("%.3f",$size);
832: %info = (
833: link => $uploadedfile,
834: name => $name,
835: path => $path,
836: size => $size,
837: lastmodified => $lastmod,
838: );
839: $status = 'ok';
840: } else {
841: &Apache::lonnet::logthis("bad file is $url");
842: my $icon=&Apache::loncommon::icon($url);
843: $error = '<a href="'.$url.'"><img src="'.$icon.
844: '" border="0" />'.$uploadedfile.'</a>';
845: }
846: return ($status,\%info,$error);
847: }
848:
849: sub portpath_popup_js {
850: my %lt = &Apache::lonlocal::texthash(
851: show => '(Show path)',
852: hide => '(Hide)',
853: );
854: return <<"END";
855: <script type="text/javascript">
856: // <![CDATA[
857:
858: function showPortPath(id,idtext) {
859: document.getElementById(id).style.display='block';
860: document.getElementById(id).style.textAlign='left';
861: document.getElementById(id).style.textFace='normal';
862: if (document.getElementById(idtext)) {
863: document.getElementById(idtext).innerHTML ='<a href="javascript:hidePortPath(\\''+id+'\\',\\''+idtext+'\\'); '+
864: '"class="LC_menubuttons_link">$lt{'hide'}</a> ';
865: }
866: return;
867: }
868:
869: function hidePortPath(id,idtext) {
870: if (document.getElementById(id)) {
871: document.getElementById(id).style.display='none';
872: }
873: if (document.getElementById(idtext)) {
874: document.getElementById(idtext).innerHTML ='<a href="javascript:showPortPath(\\''+id+'\\',\\''+idtext+'\\');" '+
875: 'class="LC_menubuttons_link">$lt{'show'}</a>';
876: }
877: return;
878: }
879:
880: // ]]>
881: </script>
882:
883: END
884: }
885:
886: sub valid_award {
887: my ($award) =@_;
888: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
889: 'NO_RESPONSE','WRONG_NUMBOXESCHECKED',
890: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
891: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
892: 'UNIT_FAIL', 'NO_UNIT',
893: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
894: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
895: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
896: 'MISORDERED_RANK', 'INVALID_FILETYPE',
897: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
898: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
899: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
900: 'ASSIGNED_SCORE', 'APPROX_ANS',
901: 'EXACT_ANS','COMMA_FAIL') {
902: if ($award eq $possibleaward) { return 1; }
903: }
904: return 0;
905: }
906:
907: {
908: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
909: 'WRONG_NUMCHECKEDBOXES','TOO_LONG',
910: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
911: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
912: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
913: 'WRONG_FORMAT', 'INTERNAL_ERROR',
914: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
915: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
916: 'DRAFT', 'SUBMITTED',
917: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
918: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
919: my $i=0;
920: my %fwd_awards = map { ($_,$i++) } @awards;
921: my $max=scalar(@awards);
922: @awards=reverse(@awards);
923: $i=0;
924: my %rev_awards = map { ($_,$i++) } @awards;
925:
926: sub awarddetail_to_awarded {
927: my ($awarddetail) = @_;
928: if ($awarddetail eq 'EXACT_ANS'
929: || $awarddetail eq 'APPROX_ANS') {
930: return 1;
931: }
932: return 0;
933: }
934:
935: sub hide_award {
936: my ($award) = @_;
937: if (&Apache::lonhomework::show_no_problem_status()) {
938: return 1;
939: }
940: if ($award =~
941: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
942: return 1;
943: }
944: return 0;
945: }
946:
947: sub finalizeawards {
948: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
949: my $result;
950: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
951: if ($result eq '' ) {
952: my $blankcount;
953: foreach my $award (@$awardref) {
954: if ($award eq '') {
955: $result='MISSING_ANSWER';
956: $blankcount++;
957: }
958: }
959: if ($blankcount == ($#$awardref + 1)) {
960: return ('NO_RESPONSE');
961: }
962: }
963:
964: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
965:
966: if (!$final_scantron && defined($result)) { return ($result); }
967:
968: # if in scantron mode, if the award for any response is
969: # assigned score, then the part gets an assigned score
970: if ($final_scantron
971: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
972: return ('ASSIGNED_SCORE');
973: }
974:
975: # if in scantron mode, if the award for any response is
976: # correct and there are non-correct responses,
977: # then the part gets an assigned score
978: if ($final_scantron
979: && (grep { $_ eq 'EXACT_ANS' ||
980: $_ eq 'APPROX_ANS' } (@$awardref))
981: && (grep { $_ ne 'EXACT_ANS' &&
982: $_ ne 'APPROX_ANS' } (@$awardref))) {
983: return ('ASSIGNED_SCORE');
984: }
985: # these awards are ordered from most important error through best correct
986: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
987:
988: my $best = $max;
989: my $j=0;
990: my $which;
991: foreach my $award (@$awardref) {
992: if ($awards->{$award} < $best) {
993: $best = $awards->{$award};
994: $which = $j;
995: }
996: $j++;
997: }
998:
999: if (defined($which)) {
1000: if (ref($nameref)) {
1001: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
1002: } else {
1003: return ($$awardref[$which],$$msgref[$which]);
1004: }
1005: }
1006: return ('ERROR',undef);
1007: }
1008: }
1009:
1010: sub decideoutput {
1011: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect,$tdclass)=@_;
1012:
1013: my $message='';
1014: my $button=0;
1015: my $previousmsg;
1016: my $css_class='orange';
1017: my $added_computer_text=0;
1018: my %possible_class =
1019: ( 'correct' => 'LC_answer_correct',
1020: 'charged_try' => 'LC_answer_charged_try',
1021: 'not_charged_try' => 'LC_answer_not_charged_try',
1022: 'no_grade' => 'LC_answer_no_grade',
1023: 'no_message' => 'LC_no_message',
1024: );
1025:
1026: my $part = $Apache::inputtags::part;
1027: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
1028: my $handgrade = ('yes' eq lc($tohandgrade));
1029: #
1030: # Should "Computer's Answer" be displayed?
1031: # Should not be displayed if still answerable,
1032: # if the problem is handgraded,
1033: # or if the problem does not give a correct answer
1034: #
1035:
1036: my $computer = ($handgrade || $nocorrect)? ''
1037: : " ".&mt("Computer's answer now shown above.");
1038: &Apache::lonxml::debug("handgrade has :$handgrade:");
1039:
1040: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
1041:
1042: if ($solved =~ /^correct/) {
1043: $css_class=$possible_class{'correct'};
1044: $message=&mt('You are correct.');
1045: if ($awarded < 1 && $awarded > 0) {
1046: $message=&mt('You are partially correct.');
1047: $css_class=$possible_class{'not_charged_try'};
1048: } elsif ($awarded < 1) {
1049: $message=&mt('Incorrect.');
1050: $css_class=$possible_class{'charged_try'};
1051: }
1052: if ($handgrade ||
1053: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
1054: $message = &mt("A score has been assigned.");
1055: $added_computer_text=1;
1056: } else {
1057: if ($target eq 'tex') {
1058: $message = '\textbf{'.$message.'}';
1059: } else {
1060: $message = "<b>".$message."</b>";
1061: $message.= $computer;
1062: }
1063: $added_computer_text=1;
1064: if ($awarded > 0) {
1065: my ($symb) = &Apache::lonnet::whichuser();
1066: if (($symb ne '')
1067: &&
1068: ($env{'course.'.$env{'request.course.id'}.
1069: '.disable_receipt_display'} ne 'yes') &&
1070: ($Apache::lonhomework::type ne 'practice')) {
1071: $message.=(($target eq 'web')?'<br />':' ').
1072: &mt('Your receipt no. is [_1]',
1073: (&Apache::lonnet::receipt($Apache::inputtags::part).
1074: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1075: }
1076: }
1077: }
1078: if ($awarded >= 1) {
1079: $button=0;
1080: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
1081: $button=0;
1082: } else {
1083: $button=1;
1084: }
1085: $previousmsg='';
1086: } elsif ($solved =~ /^excused/) {
1087: if ($target eq 'tex') {
1088: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
1089: } else {
1090: $message = "<b>".&mt('You are excused from the problem.')."</b>";
1091: }
1092: $css_class=$possible_class{'charged_try'};
1093: $button=0;
1094: $previousmsg='';
1095: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1096: if ($solved =~ /^incorrect/ || $solved eq '') {
1097: $message = &mt("Incorrect").".";
1098: $css_class=$possible_class{'charged_try'};
1099: $button=1;
1100: } else {
1101: if ($target eq 'tex') {
1102: $message = '\textbf{'.&mt('You are correct.').'}';
1103: } else {
1104: $message = "<b>".&mt('You are correct.')."</b>";
1105: $message.= $computer;
1106: }
1107: $added_computer_text=1;
1108: if ($awarded > 0
1109: && $env{'course.'.
1110: $env{'request.course.id'}.
1111: '.disable_receipt_display'} ne 'yes') {
1112: $message.=(($target eq 'web')?'<br />':' ').
1113: &mt('Your receipt is [_1]',
1114: (&Apache::lonnet::receipt($Apache::inputtags::part).
1115: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1116: }
1117: $css_class=$possible_class{'correct'};
1118: $button=0;
1119: $previousmsg='';
1120: }
1121: } elsif ($award eq 'NO_RESPONSE') {
1122: $message = '';
1123: $css_class=$possible_class{'no_feedback'};
1124: $button=1;
1125: } elsif ($award eq 'EXTRA_ANSWER') {
1126: $message = &mt('Some extra items were submitted.');
1127: $css_class=$possible_class{'not_charged_try'};
1128: $button = 1;
1129: } elsif ($award eq 'MISSING_ANSWER') {
1130: $message = &mt('Some items were not submitted.');
1131: if ($target ne 'tex') {
1132: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1133: }
1134: $css_class=$possible_class{'not_charged_try'};
1135: $button = 1;
1136: } elsif ($award eq 'WRONG_NUMBOXESCHECKED') {
1137: $message = &mt('Number of boxes checked outside permissible range (either too few or too many).');
1138: if ($target ne 'tex') {
1139: $message .= &Apache::loncommon::help_open_topic('Wrong_Num_Boxes_Checked');
1140: }
1141: $css_class=$possible_class{'not_charged_try'};
1142: $button = 1;
1143: } elsif ($award eq 'ERROR') {
1144: $message = &mt('An error occurred while grading your answer.');
1145: $css_class=$possible_class{'not_charged_try'};
1146: $button = 1;
1147: } elsif ($award eq 'TOO_LONG') {
1148: $message = &mt("The submitted answer was too long.");
1149: $css_class=$possible_class{'not_charged_try'};
1150: $button=1;
1151: } elsif ($award eq 'WANTED_NUMERIC') {
1152: $message = &mt("This question expects a numeric answer.");
1153: $css_class=$possible_class{'not_charged_try'};
1154: $button=1;
1155: } elsif ($award eq 'MISORDERED_RANK') {
1156: $message = &mt('You have provided an invalid ranking.');
1157: if ($target ne 'tex') {
1158: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1159: }
1160: $css_class=$possible_class{'not_charged_try'};
1161: $button=1;
1162: } elsif ($award eq 'EXCESS_FILESIZE') {
1163: $message = &mt("Submission won't be graded. The combined size of submitted files exceeded the amount allowed.");
1164: $css_class=$possible_class{'not_charged_try'};
1165: $button=1;
1166: } elsif ($award eq 'FILENAME_INUSE') {
1167: $message = &mt('You have already uploaded a file with that filename.');
1168: if ($target eq 'tex') {
1169: $message.= "\\\\\n";
1170: } else {
1171: $message .= '<br />';
1172: }
1173: $message .= &mt('Please use a different filename.');
1174: $css_class=$possible_class{'not_charged_try'};
1175: $button=1;
1176: } elsif ($award eq 'INVALID_FILETYPE') {
1177: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1178: $css_class=$possible_class{'not_charged_try'};
1179: $button=1;
1180: } elsif ($award eq 'SIG_FAIL') {
1181: my ($used,$min,$max)=split(':',$awardmsg);
1182: my $word = ($used < $min) ? 'more' : 'fewer';
1183: $message = &mt("Submission not graded. Use $word digits.",$used);
1184: $css_class=$possible_class{'not_charged_try'};
1185: $button=1;
1186: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1187: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1188: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1189: $css_class=$possible_class{'not_charged_try'};
1190: $button=1;
1191: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1192: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1193: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1194: $css_class=$possible_class{'not_charged_try'};
1195: $button=1;
1196: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1197: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1198: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1199: $css_class=$possible_class{'not_charged_try'};
1200: $button=1;
1201: } elsif ($award eq 'UNIT_NOTNEEDED') {
1202: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1203: $css_class=$possible_class{'not_charged_try'};
1204: $button=1;
1205: } elsif ($award eq 'NO_UNIT') {
1206: $message = &mt("Units required").'.';
1207: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1208: $css_class=$possible_class{'not_charged_try'};
1209: $button=1;
1210: } elsif ($award eq 'COMMA_FAIL') {
1211: $message = &mt("Proper comma separation is required").'.';
1212: $css_class=$possible_class{'not_charged_try'};
1213: $button=1;
1214: } elsif ($award eq 'BAD_FORMULA') {
1215: $message = &mt("Unable to understand formula").'.';
1216: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1217: $css_class=$possible_class{'not_charged_try'};
1218: $button=1;
1219: } elsif ($award eq 'NOT_FUNCTION') {
1220: $message = &mt("Not a function").'.';
1221: $css_class=$possible_class{'not_charged_try'};
1222: $button=1;
1223: } elsif ($award eq 'WRONG_FORMAT') {
1224: $message = &mt("Wrong format").'.';
1225: $css_class=$possible_class{'not_charged_try'};
1226: $button=1;
1227: } elsif ($award eq 'INTERNAL_ERROR') {
1228: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1229: $css_class=$possible_class{'not_charged_try'};
1230: $button=1;
1231: } elsif ($award eq 'INCORRECT') {
1232: $message = &mt("Incorrect").'.';
1233: $css_class=$possible_class{'charged_try'};
1234: $button=1;
1235: } elsif ($award eq 'SUBMITTED') {
1236: $message = &mt("Your submission has been recorded.");
1237: $css_class=$possible_class{'no_grade'};
1238: $button=1;
1239: } elsif ($award eq 'SUBMITTED_CREDIT') {
1240: $message = &mt("Your submission has been recorded, and credit awarded.");
1241: $css_class=$possible_class{'correct'};
1242: $button=1;
1243: } elsif ($award eq 'ANONYMOUS') {
1244: $message = &mt("Your anonymous submission has been recorded.");
1245: $css_class=$possible_class{'no_grade'};
1246: $button=1;
1247: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1248: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1249: $css_class=$possible_class{'correct'};
1250: $button=1;
1251: } elsif ($award eq 'DRAFT') {
1252: $message = &mt("Copy saved but not submitted.");
1253: $css_class=$possible_class{'not_charged_try'};
1254: $button=1;
1255: } elsif ($award eq 'ASSIGNED_SCORE') {
1256: $message = &mt("A score has been assigned.");
1257: $css_class=$possible_class{'correct'};
1258: $button=0;
1259: } elsif ($award eq '') {
1260: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1261: $message = &mt("Nothing submitted.");
1262: $css_class=$possible_class{'charged_try'};
1263: } else {
1264: $css_class=$possible_class{'not_charged_try'};
1265: }
1266: $button=1;
1267: } else {
1268: $message = &mt("Unknown message").": $award";
1269: $button=1;
1270: }
1271: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1272: foreach my $resid(@Apache::inputtags::response){
1273: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1274: if ($target eq 'tex') {
1275: $message.= "\\\\\n";
1276: } else {
1277: $message.='<br />';
1278: }
1279: my @files = split(/\s*,\s*/,
1280: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1281: my $file_msg;
1282: foreach my $file (@files) {
1283: if ($target eq 'tex') {
1284: $file_msg.= "\\\\\n".$file;
1285: } else {
1286: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1287: }
1288: }
1289: $message .= &mt('Returned file(s): [_1]',$file_msg);
1290: if ($target eq 'tex') {
1291: $message.= "\\\\\n";
1292: } else {
1293: $message.='<br />';
1294: }
1295: }
1296: }
1297:
1298: if (&Apache::lonhomework::hide_problem_status()
1299: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1300: && &hide_award($award)) {
1301: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1302: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1303: if ($interval[0] =~ /\d+/) {
1304: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1305: if (defined($first_access)) {
1306: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1307: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1308: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1309: }
1310: }
1311: }
1312: $css_class=$possible_class{'no_grade'};
1313: $button=1;
1314: }
1315: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1316: !$added_computer_text && $target ne 'tex') {
1317: $message.= $computer;
1318: $added_computer_text=1;
1319: }
1320: if ($Apache::lonhomework::type eq 'practice') {
1321: if ($target eq 'web') {
1322: $message .= '<br />';
1323: } else {
1324: $message .= ' ';
1325: }
1326: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1327: }
1328: return ($button,$css_class,$message,$previousmsg);
1329: }
1330:
1331: sub markup_unit {
1332: my ($unit,$target)=@_;
1333: if ($target eq 'tex') {
1334: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1335: } else {
1336: return "<tt>".$unit."</tt>";
1337: }
1338: }
1339:
1340: sub removealldata {
1341: my ($id)=@_;
1342: foreach my $key (keys(%Apache::lonhomework::results)) {
1343: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1344: &Apache::lonxml::debug("Removing $key");
1345: delete($Apache::lonhomework::results{$key});
1346: }
1347: }
1348: }
1349:
1350: sub hidealldata {
1351: my ($id)=@_;
1352: foreach my $key (keys(%Apache::lonhomework::results)) {
1353: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1354: &Apache::lonxml::debug("Hidding $key");
1355: my $newkey=$key;
1356: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1357: $Apache::lonhomework::results{$newkey}=
1358: $Apache::lonhomework::results{$key};
1359: delete($Apache::lonhomework::results{$key});
1360: }
1361: }
1362: }
1363:
1364: sub setgradedata {
1365: my ($award,$msg,$id,$previously_used) = @_;
1366: if ($Apache::lonhomework::scantronmode &&
1367: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1368: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1369: } elsif ($Apache::lonhomework::scantronmode &&
1370: $env{'form.CODE'} eq '' &&
1371: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1372: $Apache::lonhomework::results{"resource.CODE"}='';
1373: }
1374:
1375: if (!$Apache::lonhomework::scantronmode &&
1376: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1377: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1378: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1379: return '';
1380: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1381: || $Apache::lonhomework::scantronmode
1382: || &Apache::lonhomework::hide_problem_status() ) {
1383: # the student doesn't already have it correct,
1384: # or we are in a mode (scantron orno problem status) where a correct
1385: # can become incorrect
1386: # handle assignment of tries and solved status
1387: my $solvemsg;
1388: if ($Apache::lonhomework::scantronmode) {
1389: $solvemsg='correct_by_scantron';
1390: } else {
1391: $solvemsg='correct_by_student';
1392: }
1393: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1394: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1395: }
1396: if ( $award eq 'ASSIGNED_SCORE') {
1397: $Apache::lonhomework::results{"resource.$id.tries"} =
1398: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1399: $Apache::lonhomework::results{"resource.$id.solved"} =
1400: $solvemsg;
1401: my $numawards=scalar(@Apache::inputtags::response);
1402: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1403: foreach my $res (@Apache::inputtags::response) {
1404: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1405: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1406: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1407: } else {
1408: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1409: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1410: }
1411: }
1412: if ($numawards > 0) {
1413: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1414: $numawards;
1415: }
1416: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1417: $Apache::lonhomework::results{"resource.$id.tries"} =
1418: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1419: $Apache::lonhomework::results{"resource.$id.solved"} =
1420: $solvemsg;
1421: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1422: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1423: $Apache::lonhomework::results{"resource.$id.tries"} =
1424: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1425: $Apache::lonhomework::results{"resource.$id.solved"} =
1426: 'credit_attempted';
1427: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1428: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1429: $Apache::lonhomework::results{"resource.$id.tries"} =
1430: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1431: $Apache::lonhomework::results{"resource.$id.solved"} =
1432: 'credit_attempted';
1433: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1434: } elsif ( $award eq 'INCORRECT' ) {
1435: $Apache::lonhomework::results{"resource.$id.tries"} =
1436: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1437: if (&Apache::lonhomework::hide_problem_status()
1438: || $Apache::lonhomework::scantronmode) {
1439: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1440: }
1441: $Apache::lonhomework::results{"resource.$id.solved"} =
1442: 'incorrect_attempted';
1443: } elsif ( $award eq 'SUBMITTED' ) {
1444: $Apache::lonhomework::results{"resource.$id.tries"} =
1445: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1446: $Apache::lonhomework::results{"resource.$id.solved"} =
1447: 'ungraded_attempted';
1448: } elsif ( $award eq 'ANONYMOUS' ) {
1449: $Apache::lonhomework::results{"resource.$id.tries"} =
1450: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1451: $Apache::lonhomework::results{"resource.$id.solved"} =
1452: 'ungraded_attempted';
1453: } elsif ( $award eq 'DRAFT' ) {
1454: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1455: } elsif ( $award eq 'NO_RESPONSE' ) {
1456: #no real response so delete any data that got stored
1457: &removealldata($id);
1458: return '';
1459: } else {
1460: $Apache::lonhomework::results{"resource.$id.solved"} =
1461: 'incorrect_attempted';
1462: if (&Apache::lonhomework::show_no_problem_status()
1463: || $Apache::lonhomework::scantronmode) {
1464: $Apache::lonhomework::results{"resource.$id.tries"} =
1465: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1466: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1467: }
1468:
1469: if (&Apache::lonhomework::show_some_problem_status()) {
1470: # clear out the awarded if they had gotten it wrong/right
1471: # and are now in an error mode
1472: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1473: }
1474: }
1475: if (defined($msg)) {
1476: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1477: }
1478: # did either of the overall awards chage? If so ignore the
1479: # previous check
1480: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1481: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1482: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1483: $Apache::lonhomework::history{"resource.$id.solved"})) {
1484: # check if this was a previous submission if it was delete the
1485: # unneeded data and update the previously_used attribute
1486: if ( $previously_used eq 'PREVIOUSLY_USED') {
1487: if (&Apache::lonhomework::show_problem_status()) {
1488: delete($Apache::lonhomework::results{"resource.$id.tries"});
1489: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1490: }
1491: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1492: #delete all data as they student didn't do anything, but save
1493: #the list of collaborators.
1494: &removealldata($id);
1495: #and since they didn't do anything we were never here
1496: return '';
1497: } else {
1498: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1499: }
1500: }
1501: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1502: #delete all data as they student already has it correct
1503: &removealldata($id);
1504: #and since they didn't do anything we were never here
1505: return '';
1506: }
1507: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1508: if ($award eq 'SUBMITTED') {
1509: &Apache::response::add_to_gradingqueue();
1510: }
1511: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1512: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1513: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1514: $Apache::lonhomework::results{"resource.$id.version"} = &Apache::lonnet::usedversion();
1515: $Apache::lonhomework::results{"resource.$id.maxtries"} = &Apache::lonnet::EXT("resource.$id.maxtries");
1516: }
1517:
1518: sub find_which_previous {
1519: my ($version) = @_;
1520: my $part = $Apache::inputtags::part;
1521: my (@previous_version);
1522: foreach my $resp (@Apache::inputtags::response) {
1523: my $key = "$version:resource.$part.$resp.submission";
1524: my $submission = $Apache::lonhomework::history{$key};
1525: my %previous = &Apache::response::check_for_previous($submission,
1526: $part,$resp,
1527: $version);
1528: push(@previous_version,$previous{'version'});
1529: }
1530: return &previous_match(\@previous_version,
1531: scalar(@Apache::inputtags::response));
1532: }
1533:
1534: sub previous_match {
1535: my ($previous_array,$count) = @_;
1536: my $match = 0;
1537: my @matches;
1538: foreach my $versionar (@$previous_array) {
1539: foreach my $version (@$versionar) {
1540: $matches[$version]++;
1541: }
1542: }
1543: my $which=0;
1544: foreach my $elem (@matches) {
1545: if ($elem eq $count) {
1546: $match=1;
1547: last;
1548: }
1549: $which++;
1550: }
1551: return ($match,$which);
1552: }
1553:
1554: sub grade {
1555: my ($target) = @_;
1556: my $id = $Apache::inputtags::part;
1557: my $response='';
1558: if ( defined $env{'form.submitted'}) {
1559: my (@awards,@msgs);
1560: foreach $response (@Apache::inputtags::response) {
1561: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1562: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1563: &Apache::lonxml::debug("keeping $value from $response for $id");
1564: push (@awards,$value);
1565: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1566: &Apache::lonxml::debug("got message $value from $response for $id");
1567: push (@msgs,$value);
1568: }
1569: my ($finalaward,$msg) =
1570: &finalizeawards(\@awards,\@msgs,undef,undef,
1571: $Apache::lonhomework::scantronmode);
1572: my $previously_used;
1573: if ( $#Apache::inputtags::previous eq $#awards ) {
1574: my ($match) =
1575: &previous_match(\@Apache::inputtags::previous_version,
1576: scalar(@Apache::inputtags::response));
1577:
1578: if ($match) {
1579: $previously_used = 'PREVIOUSLY_LAST';
1580: foreach my $value (@Apache::inputtags::previous) {
1581: if ($value eq 'PREVIOUSLY_USED' ) {
1582: $previously_used = $value;
1583: last;
1584: }
1585: }
1586: }
1587: }
1588: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1589: &setgradedata($finalaward,$msg,$id,$previously_used);
1590: }
1591: return '';
1592: }
1593:
1594: sub get_grade_messages {
1595: my ($id,$prefix,$target,$status,$nocorrect,$tdclass) = @_;
1596: # nocorrect suppresses "Computer's answer now shown above"
1597: my ($message,$latemessage,$trystr,$previousmsg);
1598: my $showbutton = 1;
1599:
1600: my $award = $Apache::lonhomework::history{"$prefix.award"};
1601: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1602: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1603: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1604: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1605: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1606: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1607: &Apache::lonxml::debug('Getting message');
1608: ($showbutton,my $css_class,$message,$previousmsg) =
1609: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1610: $target,(($status eq 'CAN_ANSWER') || $nocorrect),$tdclass);
1611: if ($target eq 'tex') {
1612: $message='\vskip 2 mm '.$message.' ';
1613: } else {
1614: $message="<td class=\"$tdclass $css_class\">$message</td>";
1615: if ($previousmsg) {
1616: $previousmsg="<td class=\"$tdclass LC_answer_previous\">$previousmsg</td>";
1617: }
1618: }
1619: }
1620: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1621: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1622: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1623: #if tries are set to negative turn off the Tries/Button and messages
1624: if (defined($maxtries) && $maxtries < 0) { return ''; }
1625: if ( $tries eq '' ) { $tries = '0'; }
1626: if ( $maxtries eq '' ) { $maxtries = '2'; }
1627: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1628: my $tries_text= &get_tries_text();
1629: if ($showbutton) {
1630: if ($target eq 'tex') {
1631: if ($env{'request.state'} ne "construct"
1632: && $Apache::lonhomework::type ne 'exam'
1633: && $env{'form.suppress_tries'} ne 'yes') {
1634: $trystr ='{\vskip 1 mm \small '
1635: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1636: ,'\textit{','}',$tries.'/'.$maxtries )
1637: .'} \vskip 2 mm';
1638: } else {
1639: $trystr = '\vskip 0 mm ';
1640: }
1641: } else {
1642: my $trial =$tries;
1643: if ($Apache::lonhomework::parsing_a_task) {
1644: } elsif($env{'request.state'} ne 'construct') {
1645: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1646: } else {
1647: if (defined($Apache::inputtags::params{'maxtries'})) {
1648: $trial.="/".$Apache::inputtags::params{'maxtries'};
1649: }
1650: }
1651: $trystr = '<td class="'.$tdclass.'"><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1652: }
1653: }
1654:
1655: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1656: #last submissions was after due date
1657: $latemessage=&mt(' The last submission was after the Due Date ');;
1658: if ($target eq 'web') {
1659: $latemessage='<td class="'.$tdclass.' LC_answer_late">'.$latemessage.'</td>';
1660: }
1661: }
1662: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1663: }
1664:
1665: sub gradestatus {
1666: my ($id,$target,$no_previous) = @_;
1667: my $showbutton = 1;
1668: my $message = '';
1669: my $latemessage = '';
1670: my $trystr='';
1671: my $button='';
1672: my $previousmsg='';
1673: my $tdclass='';
1674:
1675: my $status = $Apache::inputtags::status['-1'];
1676: &Apache::lonxml::debug("gradestatus has :$status:");
1677: if ( $status ne 'CLOSED'
1678: && $status ne 'UNAVAILABLE'
1679: && $status ne 'INVALID_ACCESS'
1680: && $status ne 'NEEDS_CHECKIN'
1681: && $status ne 'NOT_IN_A_SLOT'
1682: && $status ne 'RESERVABLE'
1683: && $status ne 'RESERVABLE_LATER'
1684: && $status ne 'NOTRESERVABLE') {
1685:
1686: if ($status eq 'SHOW_ANSWER') {
1687: $showbutton = 0;
1688: }
1689:
1690: unless (($status eq 'SHOW_ANSWER') || ($status eq 'CANNOT_ANSWER')) {
1691: if ($target ne 'tex') {
1692: $tdclass = 'LC_status_submit_'.$id;
1693: }
1694: }
1695:
1696: ($previousmsg,$latemessage,$message,$trystr) =
1697: &get_grade_messages($id,"resource.$id",$target,$status,
1698: $showbutton,$tdclass);
1699: if ($status eq 'CANNOT_ANSWER') {
1700: $showbutton = 0;
1701: }
1702: if ( $status eq 'SHOW_ANSWER') {
1703: undef($previousmsg);
1704: }
1705: if ( $showbutton ) {
1706: if ($target ne 'tex') {
1707: $button =
1708: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1709: type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit"
1710: value="'.&mt('Submit Answer').'" /> '.
1711: '<div id="msg_submit_'.$id.'" style="display:none">'.
1712: &mt('Processing your submission ...').'</div>';
1713: }
1714: }
1715:
1716: }
1717: my $output= $previousmsg.$latemessage.$message.$trystr;
1718: if ($output =~ /^\s*$/) {
1719: return $button;
1720: } else {
1721: if ($target eq 'tex') {
1722: return $button.' \vskip 0 mm '.$output.' ';
1723: } else {
1724: $output =
1725: '<table><tr><td>'.$button.'</td>'.$output;
1726: if (!$no_previous) {
1727: $output.='<td class="'.$tdclass.'">'.&previous_tries($id,$target).'</td>';
1728: }
1729: $output.= '</tr></table>';
1730: return $output;
1731: }
1732: }
1733: }
1734:
1735: sub previous_tries {
1736: my ($id,$target) = @_;
1737: my $output;
1738: my $status = $Apache::inputtags::status['-1'];
1739:
1740: my $count;
1741: my %count_lookup;
1742: my $lastrndseed;
1743: my $numstamps = 0;
1744:
1745: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1746: my $prefix = $i.":resource.$id";
1747: my $is_anon;
1748: if (defined($env{'form.grade_symb'})) {
1749: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1750: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1751: $is_anon = 1;
1752: }
1753: }
1754: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1755: $count++;
1756: $count_lookup{$i} = $count;
1757: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1758: my ($previousmsg,$latemessage,$message,$trystr);
1759:
1760: ($previousmsg,$latemessage,$message,$trystr) =
1761: &get_grade_messages($id,"$prefix",$target,$status);
1762:
1763: if ($previousmsg ne '') {
1764: my ($match,$which) = &find_which_previous($i);
1765: $message=$previousmsg;
1766: my $previous = $count_lookup{$which};
1767: $message =~ s{(</td>)}{ as submission \# $previous $1};
1768: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1769: if (!(&Apache::lonhomework::hide_problem_status()
1770: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1771: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1772: ) {
1773:
1774: my $txt_correct = &mt('Correct');
1775: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1776: if ($awarded < 1 && $awarded > 0) {
1777: $txt_correct=&mt('Partially Correct');
1778: } elsif ($awarded < 1) {
1779: if ($awarded eq '') {
1780: $txt_correct='';
1781: } else {
1782: $txt_correct=&mt('Incorrect');
1783: }
1784: }
1785: $message =~ s{(<td.*?>)(.*?)(</td>)}
1786: {$1 <strong>$txt_correct</strong>. $3}s;
1787: }
1788: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1789: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1790: if ($curr_rndseed ne $lastrndseed) {
1791: $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>';
1792: }
1793: }
1794: $message =~ s{(</td>)}{ $trystr $1};
1795: }
1796: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1797: $message =~ s{(<td.*?>)}{<td>};
1798:
1799:
1800: $output .= '<tr class="'.$class.'">'.
1801: '<td align="center">'.$count.'</td>'.$message;
1802: if ((!$is_anon) && ($Apache::lonhomework::history{"$prefix.tries"}) &&
1803: ($Apache::lonhomework::history{"$prefix.award"} ne 'ASSIGNED_SCORE') &&
1804: ($Apache::lonhomework::history{$i.':timestamp'})) {
1805: $output .= '<td>'.&Apache::lonlocal::locallocaltime(
1806: $Apache::lonhomework::history{$i.':timestamp'}).'</td>';
1807: $numstamps ++;
1808: } else {
1809: $output .= '<td></td>';
1810: }
1811: foreach my $resid (@Apache::inputtags::response) {
1812: my $prefix = $prefix.".$resid";
1813: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1814: my $submission =
1815: $Apache::inputtags::submission_display{"$prefix.submission"};
1816: if (!defined($submission)) {
1817: $submission =
1818: $Apache::lonhomework::history{"$prefix.submission"};
1819: }
1820: if ($is_anon) {
1821: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1822: } else {
1823: $output.='<td>'.$submission.'</td>';
1824: }
1825: } else {
1826: $output.='<td></td>';
1827: }
1828: }
1829: $output.=&Apache::loncommon::end_data_table_row()."\n";
1830: $lastrndseed = $curr_rndseed;
1831: }
1832: return if ($output eq '');
1833: my $headers = '<tr>'.
1834: '<th>'.&mt('Submission #').'</th>'.
1835: '<th>'.&mt('Try').'</th><th>';
1836: if ($numstamps) {
1837: $headers .= &mt('When');
1838: }
1839: $headers .= '</th>';
1840: my $colspan = scalar(@Apache::inputtags::response);
1841: if ($colspan > 1) {
1842: $headers .= '<th colspan="'.$colspan.'">';
1843: } else {
1844: $headers .= '<th>';
1845: }
1846: $headers .= &mt('Submitted Answer').'</th></tr>';
1847: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1848:
1849: my $tries_text = &get_tries_text('link');
1850: my $prefix = $env{'form.request.prefix'};
1851: $prefix =~ tr{.}{_};
1852: my $function_name = "LONCAPA_previous_tries_".$prefix.
1853: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1854: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1855: return $result;
1856: }
1857:
1858: sub get_tries_text {
1859: my ($context) = @_;
1860: my $tries_text;
1861: if ($context eq 'link') {
1862: $tries_text = 'Previous Tries';
1863: } else {
1864: $tries_text = 'Tries';
1865: }
1866: if ( $Apache::lonhomework::type eq 'survey' ||
1867: $Apache::lonhomework::type eq 'surveycred' ||
1868: $Apache::lonhomework::type eq 'anonsurvey' ||
1869: $Apache::lonhomework::type eq 'anonsurveycred' ||
1870: $Apache::lonhomework::parsing_a_task) {
1871: if ($context eq 'link') {
1872: $tries_text = 'Previous Submissions';
1873: } else {
1874: $tries_text = 'Submissions';
1875: }
1876: }
1877: return $tries_text;
1878: }
1879:
1880: sub spelling_languages {
1881: my %langchoices;
1882: foreach my $id (&Apache::loncommon::languageids()) {
1883: my $code = &Apache::loncommon::supportedlanguagecode($id);
1884: if ($code ne '') {
1885: $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
1886: }
1887: }
1888: my @spelllangs = ('none');
1889: foreach my $code ('en','de','he','es','fr','pt','tr') {
1890: push(@spelllangs,[$code,$langchoices{$code}]);
1891: }
1892: return \@spelllangs;
1893: }
1894:
1895: 1;
1896: __END__
1897:
1898: =pod
1899:
1900: =back
1901:
1902: =cut
1903:
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