1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.323 2014/01/13 15:29:10 bisitz 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_' . $resid;
238: if ($addchars) {
239: $result.=&addchars($tagident, $addchars);
240: }
241: my $textareaclass = 'class="LC_richDetectHtml spellchecked"';
242: $result.= '<textarea wrap="hard" name="'.$tagident.'" id="'.$tagident.'" ' .
243: 'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass
244: .'>'.
245: &HTML::Entities::encode($oldresponse,'<>&"');
246: if ($oldresponse ne '') {
247:
248: #get rid of any startup text if the user has already responded
249: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
250: }
251: } else {
252: #show past answer in the essayresponse case
253: if ($oldresponse =~ /\S/
254: && &Apache::londefdef::is_inside_of($tagstack,
255: 'essayresponse') ) {
256: $result='<table class="LC_pastsubmission"><tr><td>'.
257: &HTML::Entities::encode($oldresponse,'"<>&').
258: '</td></tr></table>';
259: }
260: #get rid of any startup text
261: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
262: }
263: } elsif ($target eq 'grade') {
264: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
265: $style);
266: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
267: # if the seed text is still there it wasn't a real submission
268: $env{'form.HWVAL_'.$resid}='';
269: }
270: } elsif ($target eq 'edit') {
271: $result.=&Apache::edit::tag_start($target,$token);
272: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
273: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
274: $result.=&Apache::edit::text_arg
275: ('Click-On Texts (comma sep):','addchars',$token,10);
276: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
277: $style);
278: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
279: my $spell_langs = &spelling_languages();
280: $result .= &Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
281: $spell_langs, $token);
282: } elsif ($target eq 'modified') {
283: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
284: $safeeval,'rows','cols',
285: 'addchars', 'spellcheck');
286: if ($constructtag) {
287: $result = &Apache::edit::rebuild_tag($token);
288: } else {
289: $result=$token->[4];
290: }
291: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
292: } elsif ($target eq 'tex') {
293: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
294: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
295: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
296: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
297: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
298: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
299: } else {
300: if ($env{'form.pdfFormFields'} eq 'yes') {
301: my $fieldname = $env{'request.symb'}.
302: '&part_'. $Apache::inputtags::part.
303: '&textresponse'.
304: '&HWVAL_' . $Apache::inputtags::response['-1'];
305: $result.='\TextField[name='.$fieldname.',multiline=true,height=6\baselineskip,width=270,borderwidth=0,backgroundcolor={.85 .85 .85}]\\';
306: } else {
307: my $TeXwidth=$width_of_box/80;
308: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
309: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
310: $result.='}}}\vskip 2 mm ';
311: }
312: }
313: }
314: return $result;
315: }
316:
317: sub end_textfield {
318: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
319: my $result;
320: if ($target eq 'web') {
321: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
322: $Apache::lonxml::evaluate++;
323: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
324: my $resid = $Apache::inputtags::response[-1];
325: my $tagident = 'HWVAL_' . $resid;
326: my $result = "</textarea>";
327: $result .= &spellcheck_onblur($tagident, $spellcheck);
328: return $result;
329: }
330: } elsif ($target eq 'edit') {
331: $result=&Apache::edit::end_table();
332: }
333: &end_input;
334: return $result;
335: }
336:
337: sub exam_score_line {
338: my ($target) = @_;
339:
340: my $result;
341: if ($target eq 'tex') {
342: my $repetition = &Apache::response::repetition();
343: $result.='\begin{enumerate}';
344: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
345: foreach my $i (0..$repetition-1) {
346: $result.='\item[\textbf{'.
347: ($Apache::lonxml::counter+$i).
348: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
349: }
350: $result.= '\end{enumerate}';
351: }
352:
353: return $result;
354: }
355:
356: sub exam_box {
357: my ($target) = @_;
358: my $result;
359:
360: if ($target eq 'tex') {
361: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
362: $result .= &exam_score_line($target);
363: } elsif ($target eq 'web') {
364: my $id=$Apache::inputtags::response[-1];
365: $result.= '<br /><br />
366: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
367: </textarea> <br /><br />';
368: }
369: return $result;
370: }
371:
372: sub needs_exam_box {
373: my ($tagstack) = @_;
374: my @tags = ('formularesponse',
375: 'stringresponse',
376: 'reactionresponse',
377: 'organicresponse',
378: );
379:
380: foreach my $tag (@tags) {
381: if (grep(/\Q$tag\E/,@$tagstack)) {
382: return 1;
383: }
384: }
385: return 0;
386: }
387:
388: sub start_textline {
389: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
390: my $result = "";
391: my $input_id = &start_input($parstack,$safeeval);
392:
393: # The spellcheck attribute
394: # 1. enables spellchecking.
395: # 2. Provides the language code in which the spellchecking will be performed.
396:
397: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
398: if ($target eq 'web') {
399: $Apache::lonxml::evaluate--;
400: my $partid=$Apache::inputtags::part;
401: my $id=$Apache::inputtags::response[-1];
402: if (!&Apache::response::show_answer()) {
403: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
404: my $maxlength;
405: if ($size eq '') { $size=20; } else {
406: if ($size < 20) {
407: $maxlength = ' maxlength="'.$size.'"';
408: }
409: }
410: my ($oldresponse,$newvariation);
411: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
412: ($Apache::lonhomework::type eq 'randomizetry')) &&
413: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
414: if ($env{'form.'.$partid.'.rndseed'} ne
415: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
416: $newvariation = 1;
417: }
418: }
419: unless ($newvariation) {
420: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
421: (($env{'form.grade_username'} eq $env{'user.name'}) &&
422: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
423: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
424: } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') ||
425: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred') ||
426: ($Apache::lonhomework::type eq 'anonsurvey') ||
427: ($Apache::lonhomework::type eq 'anonsurveycred')) {
428: $oldresponse = '* '.&mt('(only shown to submitter)').' *';
429: } else {
430: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
431: }
432: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
433: if (ref($oldresponse) eq 'ARRAY') {
434: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
435: }
436: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
437: $oldresponse =~ s/^\s+//;
438: $oldresponse =~ s/\s+$//;
439: $oldresponse =~ s/\s+/ /g;
440: }
441: if ($Apache::lonhomework::type ne 'exam') {
442: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
443: $result='';
444: if ($addchars) {
445: $result.=&addchars('HWVAL_'.$id,$addchars);
446: }
447: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
448: $safeeval);
449: if (lc($readonly) eq 'yes'
450: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
451: $readonly=' readonly="readonly" ';
452: } else {
453: $readonly='';
454: }
455: my $name = 'HWVAL_'.$id;
456: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
457: $name = "none";
458: }
459: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
460: . ' type="text" '
461: . $readonly.' name="'. $name . '"'
462: . ' id="' . $name . '"'
463: . ' value="'. $oldresponse.'"'
464: . ' class="spellchecked" size="'.$size.'"'.$maxlength
465: . '/>';
466:
467: $result .= &spellcheck_onblur($name, $spellcheck);
468: }
469: if ($Apache::lonhomework::type eq 'exam'
470: && &needs_exam_box($tagstack)) {
471: $result.=&exam_box($target);
472: }
473: } else {
474: #right or wrong don't show what was last typed in.
475: my $count = scalar(@Apache::inputtags::inputlist)-1;
476: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
477: #$result='';
478: }
479: } elsif ($target eq 'edit') {
480: $result=&Apache::edit::tag_start($target,$token);
481: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
482: &Apache::edit::text_arg('Click-On Texts (comma sep):',
483: 'addchars',$token,10);
484: $result.=&Apache::edit::select_arg('Readonly:','readonly',
485: ['no','yes'],$token);
486: my $spell_langs = &spelling_languages();
487: $result.=&Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
488: $spell_langs, $token);
489: $result.=&Apache::edit::end_row();
490: $result.=&Apache::edit::end_table();
491: } elsif ($target eq 'modified') {
492: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
493: $safeeval,'size',
494: 'addchars','readonly', 'spellcheck');
495: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
496: } elsif ($target eq 'tex'
497: && $Apache::lonhomework::type ne 'exam') {
498: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
499: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
500: if ($env{'form.pdfFormFields'} eq 'yes'
501: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
502: my $fieldname = $env{'request.symb'}.
503: '&part_'. $Apache::inputtags::part.
504: '&textresponse'.
505: '&HWVAL_' . $Apache::inputtags::response['-1'];
506: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
507: } else {
508: $result='\framebox['.$size.'][s]{\tiny\strut}';
509: }
510: } elsif ($target eq 'tex'
511: && $Apache::lonhomework::type eq 'exam'
512: && &needs_exam_box($tagstack)) {
513: $result.=&exam_box($target);
514: }
515: return $result;
516: }
517:
518: sub end_textline {
519: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
520: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
521: elsif ($target eq 'edit') { return ('','no'); }
522: &end_input();
523: return "";
524: }
525:
526: sub start_hiddenline {
527: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
528: my $result = "";
529: my $input_id = &start_input($parstack,$safeeval);
530: if ($target eq 'web') {
531: $Apache::lonxml::evaluate--;
532: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
533: my $partid=$Apache::inputtags::part;
534: my $id=$Apache::inputtags::response[-1];
535: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
536: if (ref($oldresponse) eq 'ARRAY') {
537: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
538: }
539: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
540:
541: if ($Apache::lonhomework::type ne 'exam') {
542: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
543: $oldresponse.'" />';
544: }
545: }
546: } elsif ($target eq 'edit') {
547: $result=&Apache::edit::tag_start($target,$token);
548: $result.=&Apache::edit::end_table;
549: }
550:
551: if ( ($target eq 'web' || $target eq 'tex')
552: && $Apache::lonhomework::type eq 'exam'
553: && &needs_exam_box($tagstack)) {
554: $result.=&exam_box($target);
555: }
556: return $result;
557: }
558:
559: sub end_hiddenline {
560: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
561: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
562: elsif ($target eq 'edit') { return ('','no'); }
563: &end_input();
564: return "";
565: }
566:
567:
568: sub start_hiddensubmission {
569: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
570: my $result = "";
571: my $input_id = &start_input($parstack,$safeeval);
572: if ($target eq 'web') {
573: $Apache::lonxml::evaluate--;
574: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
575: my $partid=$Apache::inputtags::part;
576: my $id=$Apache::inputtags::response[-1];
577: if ($Apache::lonhomework::type ne 'exam') {
578: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
579: $value = &HTML::Entities::encode($value,'<>&"');
580: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
581: }
582: }
583: } elsif ($target eq 'edit') {
584: $result=&Apache::edit::tag_start($target,$token);
585: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
586: $result.=&Apache::edit::end_row();
587: $result.=&Apache::edit::end_table();
588: } elsif ($target eq 'modified') {
589: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
590: $safeeval,'value');
591: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
592: }
593:
594: if ( ($target eq 'web' || $target eq 'tex')
595: && $Apache::lonhomework::type eq 'exam'
596: && &needs_exam_box($tagstack)) {
597: $result.=&exam_box($target);
598: }
599: return $result;
600: }
601:
602: sub end_hiddensubmission {
603: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
604: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
605: elsif ($target eq 'edit') { return ('','no'); }
606: &end_input();
607: return "";
608: }
609:
610: =pod
611:
612: =item file_selector()
613:
614: $part -> partid
615: $id -> responseid
616: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
617: $which -> 'uploadonly' -> only newly uploaded files
618: 'portfolioonly' -> only allow files from portfolio
619: 'both' -> allow files from either location
620: $extratext -> additional text to go between the link and the input box
621: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
622: returns a table row <tr>
623:
624: =cut
625:
626: sub file_selector {
627: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
628: if (!$uploadedfiletypes) { return ''; }
629:
630: my $jspart=$part;
631: $jspart=~s/\./_/g;
632:
633: my $result;
634: my $current_files_display = ¤t_file_submissions($part,$id);
635: my $addfiles;
636: if ($current_files_display) {
637: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
638: $current_files_display.
639: &Apache::lonhtmlcommon::row_closure();
640: $addfiles = &mt('Submit other file(s)');
641: } else {
642: $addfiles = &mt('Choose file(s) to submit');
643: }
644: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
645: my $constraints;
646: if ($uploadedfiletypes ne '*') {
647: $constraints =
648: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
649: }
650: if ($maxfilesize) {
651: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB.',
652: '<b>'.$maxfilesize.'</b>').'<br />';
653: }
654: if ($constraints) {
655: $result .= $constraints.'<br />';
656: }
657: if ($which eq 'uploadonly' || $which eq 'both') {
658: $result.=&mt('Submit a file: (only one file per submission)').
659: ' <br /><input type="file" size="50" name="HWFILE'.
660: $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
661: }
662: if ( $which eq 'both') {
663: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
664: }
665: if ($which eq 'portfolioonly' || $which eq 'both') {
666: my $symb = $env{'request.symb'};
667: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
668: my $showsymb;
669: # If resource is a .task and URL is unencrypted, include symb in query string
670: # for url opened in portfolio file selection window. Can be used to override
671: # blocking of portfolio access resulting from an exam event in a different course.
672: if ($res =~ /\.task$/i) {
673: my $encsymb = &Apache::lonenc::check_encrypt($symb);
674: if ($symb eq $encsymb) {
675: $showsymb = $symb;
676: }
677: }
678: $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"))'."'".'>'.
679: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
680: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
681: '<br />';
682:
683: }
684: $result.=&Apache::lonhtmlcommon::row_closure(1);
685: return $result;
686: }
687:
688: sub current_file_submissions {
689: my ($part,$id) = @_;
690: my $jspart=$part;
691: $jspart=~s/\./_/g;
692: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
693: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
694: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
695: my $header = &portpath_popup_js().
696: &Apache::loncommon::start_data_table().
697: &Apache::loncommon::start_data_table_header_row();
698: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
699: $header .= '<th>'.&mt('Delete?').'</th>';
700: }
701: $header .= '<th>'.&mt('File').'</th>'.
702: '<th>'.&mt('Size (MB)').'</th>'.
703: '<th>'.&mt('Last Modified').'</th>'.
704: &Apache::loncommon::end_data_table_header_row();
705: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
706: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
707: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
708: if ($uploadedfile) {
709: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
710: my $link = &HTML::Entities::encode($url,'<>&"');
711: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
712: my ($status,$hashref,$error) =
713: ¤t_file_info($url,$link,$name,$path);
714: if ($status eq 'ok') {
715: push(@{$okfiles{$name}},$url);
716: $rows{$url} = $hashref;
717: $legacy{$url} = 1;
718: &Apache::lonxml::extlink($url);
719: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
720: } else {
721: push(@bad_file_list,$error);
722: }
723: }
724: if ($portfiles =~ /[^\s]/) {
725: my $prefix = "/uploaded/$udom/$uname/portfolio";
726: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
727: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
728: my $url = $prefix.$path.$name;
729: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
730: my ($status,$hashref,$error) =
731: ¤t_file_info($url,$uploadedfile,$name,$path);
732: if ($status eq 'ok') {
733: push(@{$okfiles{$name}},$url);
734: $rows{$url} = $hashref;
735: } else {
736: push(@bad_file_list,$error);
737: }
738: }
739: }
740: my $num = 0;
741: foreach my $name (sort(keys(%okfiles))) {
742: if (ref($okfiles{$name}) eq 'ARRAY') {
743: foreach my $url (@{$okfiles{$name}}) {
744: if (ref($rows{$url}) eq 'HASH') {
745: my $link = $rows{$url}{link};
746: my $portfile = $rows{$url}{path}.$rows{$url}{name};
747: $portfile = &HTML::Entities::encode($portfile,'<>&"');
748: if ($link) {
749: my $icon=&Apache::loncommon::icon($url);
750: unless ($header_shown) {
751: $result .= $header;
752: $header_shown = 1;
753: }
754: $result.=
755: &Apache::loncommon::start_data_table_row()."\n";
756: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
757: $result .=
758: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
759: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
760: $num ++;
761: }
762: my $pathid = 'HWFILE'.$jspart.'_'.$id.'_'.$num.'_path';
763: my $pathidtext = $pathid.'text';
764: my ($showname,$showpath);
765: if ($legacy{$url}) {
766: $showname = $name.' '.&mt('not in portfolio');
767: } else {
768: $showname = $name;
769: $showpath = '<br />'.
770: '<span id="'.$pathidtext.'" class="LC_cusr_subheading">'.
771: '<a href="javascript:showPortPath('."'$pathid','$pathidtext'".');" '.
772: 'class="LC_menubuttons_link">'.
773: &mt('(Show path)').'</a></span>'.
774: '<div id="'.$pathid.'" class="LC_dccid">'.$rows{$url}{path}.$name.
775: '</div>';
776: }
777: $result .=
778: '<td><a href="'.$link.'"><img src="'.$icon.
779: '" border="0" alt="" />'.$showname.'</a>'.$showpath.'</td>'."\n".
780: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
781: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
782: &Apache::loncommon::end_data_table_row();
783: }
784: }
785: }
786: }
787: }
788: if ($header_shown) {
789: $result .= &Apache::loncommon::end_data_table();
790: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
791: $result .= '<br /><span class="LC_warning">'.
792: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
793: }
794: }
795: if (@bad_file_list) {
796: my $bad_files = '<span class="LC_filename">'.
797: join('</span>, <span class="LC_filename">',@bad_file_list).
798: '</span>';
799: $result.='<p class="LC_error">'.
800: &mt("These file(s) don't exist: [_1]",$bad_files).
801: '</p>';
802: }
803: return $result;
804: }
805:
806: sub current_file_info {
807: my ($url,$uploadedfile,$name,$path) = @_;
808: my ($status,$error,%info);
809: my @stat = &Apache::lonnet::stat_file($url);
810: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
811: my ($lastmod,$size);
812: if ($stat[9] =~ /^\d+$/) {
813: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
814: }
815: $size = $stat[7]/(1024*1024);
816: $size = sprintf("%.3f",$size);
817: %info = (
818: link => $uploadedfile,
819: name => $name,
820: path => $path,
821: size => $size,
822: lastmodified => $lastmod,
823: );
824: $status = 'ok';
825: } else {
826: &Apache::lonnet::logthis("bad file is $url");
827: my $icon=&Apache::loncommon::icon($url);
828: $error = '<a href="'.$url.'"><img src="'.$icon.
829: '" border="0" />'.$uploadedfile.'</a>';
830: }
831: return ($status,\%info,$error);
832: }
833:
834: sub portpath_popup_js {
835: my %lt = &Apache::lonlocal::texthash(
836: show => '(Show path)',
837: hide => '(Hide)',
838: );
839: return <<"END";
840: <script type="text/javascript">
841: // <![CDATA[
842:
843: function showPortPath(id,idtext) {
844: document.getElementById(id).style.display='block';
845: document.getElementById(id).style.textAlign='left';
846: document.getElementById(id).style.textFace='normal';
847: if (document.getElementById(idtext)) {
848: document.getElementById(idtext).innerHTML ='<a href="javascript:hidePortPath(\\''+id+'\\',\\''+idtext+'\\'); '+
849: '"class="LC_menubuttons_link">$lt{'hide'}</a> ';
850: }
851: return;
852: }
853:
854: function hidePortPath(id,idtext) {
855: if (document.getElementById(id)) {
856: document.getElementById(id).style.display='none';
857: }
858: if (document.getElementById(idtext)) {
859: document.getElementById(idtext).innerHTML ='<a href="javascript:showPortPath(\\''+id+'\\',\\''+idtext+'\\');" '+
860: 'class="LC_menubuttons_link">$lt{'show'}</a>';
861: }
862: return;
863: }
864:
865: // ]]>
866: </script>
867:
868: END
869: }
870:
871: sub valid_award {
872: my ($award) =@_;
873: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
874: 'NO_RESPONSE',
875: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
876: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
877: 'UNIT_FAIL', 'NO_UNIT',
878: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
879: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
880: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
881: 'MISORDERED_RANK', 'INVALID_FILETYPE',
882: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
883: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
884: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
885: 'ASSIGNED_SCORE', 'APPROX_ANS',
886: 'EXACT_ANS','COMMA_FAIL') {
887: if ($award eq $possibleaward) { return 1; }
888: }
889: return 0;
890: }
891:
892: {
893: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
894: 'TOO_LONG',
895: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
896: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
897: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
898: 'WRONG_FORMAT', 'INTERNAL_ERROR',
899: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
900: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
901: 'DRAFT', 'SUBMITTED',
902: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
903: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
904: my $i=0;
905: my %fwd_awards = map { ($_,$i++) } @awards;
906: my $max=scalar(@awards);
907: @awards=reverse(@awards);
908: $i=0;
909: my %rev_awards = map { ($_,$i++) } @awards;
910:
911: sub awarddetail_to_awarded {
912: my ($awarddetail) = @_;
913: if ($awarddetail eq 'EXACT_ANS'
914: || $awarddetail eq 'APPROX_ANS') {
915: return 1;
916: }
917: return 0;
918: }
919:
920: sub hide_award {
921: my ($award) = @_;
922: if (&Apache::lonhomework::show_no_problem_status()) {
923: return 1;
924: }
925: if ($award =~
926: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
927: return 1;
928: }
929: return 0;
930: }
931:
932: sub finalizeawards {
933: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
934: my $result;
935: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
936: if ($result eq '' ) {
937: my $blankcount;
938: foreach my $award (@$awardref) {
939: if ($award eq '') {
940: $result='MISSING_ANSWER';
941: $blankcount++;
942: }
943: }
944: if ($blankcount == ($#$awardref + 1)) {
945: return ('NO_RESPONSE');
946: }
947: }
948:
949: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
950:
951: if (!$final_scantron && defined($result)) { return ($result); }
952:
953: # if in scantron mode, if the award for any response is
954: # assigned score, then the part gets an assigned score
955: if ($final_scantron
956: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
957: return ('ASSIGNED_SCORE');
958: }
959:
960: # if in scantron mode, if the award for any response is
961: # correct and there are non-correct responses,
962: # then the part gets an assigned score
963: if ($final_scantron
964: && (grep { $_ eq 'EXACT_ANS' ||
965: $_ eq 'APPROX_ANS' } (@$awardref))
966: && (grep { $_ ne 'EXACT_ANS' &&
967: $_ ne 'APPROX_ANS' } (@$awardref))) {
968: return ('ASSIGNED_SCORE');
969: }
970: # these awards are ordered from most important error through best correct
971: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
972:
973: my $best = $max;
974: my $j=0;
975: my $which;
976: foreach my $award (@$awardref) {
977: if ($awards->{$award} < $best) {
978: $best = $awards->{$award};
979: $which = $j;
980: }
981: $j++;
982: }
983:
984: if (defined($which)) {
985: if (ref($nameref)) {
986: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
987: } else {
988: return ($$awardref[$which],$$msgref[$which]);
989: }
990: }
991: return ('ERROR',undef);
992: }
993: }
994:
995: sub decideoutput {
996: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect)=@_;
997:
998: my $message='';
999: my $button=0;
1000: my $previousmsg;
1001: my $css_class='orange';
1002: my $added_computer_text=0;
1003: my %possible_class =
1004: ( 'correct' => 'LC_answer_correct',
1005: 'charged_try' => 'LC_answer_charged_try',
1006: 'not_charged_try' => 'LC_answer_not_charged_try',
1007: 'no_grade' => 'LC_answer_no_grade',
1008: 'no_message' => 'LC_no_message',
1009: );
1010:
1011: my $part = $Apache::inputtags::part;
1012: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
1013: my $handgrade = ('yes' eq lc($tohandgrade));
1014: #
1015: # Should "Computer's Answer" be displayed?
1016: # Should not be displayed if still answerable,
1017: # if the problem is handgraded,
1018: # or if the problem does not give a correct answer
1019: #
1020:
1021: my $computer = ($handgrade || $nocorrect)? ''
1022: : " ".&mt("Computer's answer now shown above.");
1023: &Apache::lonxml::debug("handgrade has :$handgrade:");
1024:
1025: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
1026:
1027: if ($solved =~ /^correct/) {
1028: $css_class=$possible_class{'correct'};
1029: $message=&mt('You are correct.');
1030: if ($awarded < 1 && $awarded > 0) {
1031: $message=&mt('You are partially correct.');
1032: $css_class=$possible_class{'not_charged_try'};
1033: } elsif ($awarded < 1) {
1034: $message=&mt('Incorrect.');
1035: $css_class=$possible_class{'charged_try'};
1036: }
1037: if ($handgrade ||
1038: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
1039: $message = &mt("A score has been assigned.");
1040: $added_computer_text=1;
1041: } else {
1042: if ($target eq 'tex') {
1043: $message = '\textbf{'.$message.'}';
1044: } else {
1045: $message = "<b>".$message."</b>";
1046: $message.= $computer;
1047: }
1048: $added_computer_text=1;
1049: if ($awarded > 0) {
1050: my ($symb) = &Apache::lonnet::whichuser();
1051: if (($symb ne '')
1052: &&
1053: ($env{'course.'.$env{'request.course.id'}.
1054: '.disable_receipt_display'} ne 'yes') &&
1055: ($Apache::lonhomework::type ne 'practice')) {
1056: $message.=(($target eq 'web')?'<br />':' ').
1057: &mt('Your receipt no. is [_1]',
1058: (&Apache::lonnet::receipt($Apache::inputtags::part).
1059: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1060: }
1061: }
1062: }
1063: if ($awarded >= 1) {
1064: $button=0;
1065: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
1066: $button=0;
1067: } else {
1068: $button=1;
1069: }
1070: $previousmsg='';
1071: } elsif ($solved =~ /^excused/) {
1072: if ($target eq 'tex') {
1073: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
1074: } else {
1075: $message = "<b>".&mt('You are excused from the problem.')."</b>";
1076: }
1077: $css_class=$possible_class{'charged_try'};
1078: $button=0;
1079: $previousmsg='';
1080: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1081: if ($solved =~ /^incorrect/ || $solved eq '') {
1082: $message = &mt("Incorrect").".";
1083: $css_class=$possible_class{'charged_try'};
1084: $button=1;
1085: } else {
1086: if ($target eq 'tex') {
1087: $message = '\textbf{'.&mt('You are correct.').'}';
1088: } else {
1089: $message = "<b>".&mt('You are correct.')."</b>";
1090: $message.= $computer;
1091: }
1092: $added_computer_text=1;
1093: if ($awarded > 0
1094: && $env{'course.'.
1095: $env{'request.course.id'}.
1096: '.disable_receipt_display'} ne 'yes') {
1097: $message.=(($target eq 'web')?'<br />':' ').
1098: &mt('Your receipt is [_1]',
1099: (&Apache::lonnet::receipt($Apache::inputtags::part).
1100: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1101: }
1102: $css_class=$possible_class{'correct'};
1103: $button=0;
1104: $previousmsg='';
1105: }
1106: } elsif ($award eq 'NO_RESPONSE') {
1107: $message = '';
1108: $css_class=$possible_class{'no_feedback'};
1109: $button=1;
1110: } elsif ($award eq 'EXTRA_ANSWER') {
1111: $message = &mt('Some extra items were submitted.');
1112: $css_class=$possible_class{'not_charged_try'};
1113: $button = 1;
1114: } elsif ($award eq 'MISSING_ANSWER') {
1115: $message = &mt('Some items were not submitted.');
1116: if ($target ne 'tex') {
1117: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1118: }
1119: $css_class=$possible_class{'not_charged_try'};
1120: $button = 1;
1121: } elsif ($award eq 'ERROR') {
1122: $message = &mt('An error occurred while grading your answer.');
1123: $css_class=$possible_class{'not_charged_try'};
1124: $button = 1;
1125: } elsif ($award eq 'TOO_LONG') {
1126: $message = &mt("The submitted answer was too long.");
1127: $css_class=$possible_class{'not_charged_try'};
1128: $button=1;
1129: } elsif ($award eq 'WANTED_NUMERIC') {
1130: $message = &mt("This question expects a numeric answer.");
1131: $css_class=$possible_class{'not_charged_try'};
1132: $button=1;
1133: } elsif ($award eq 'MISORDERED_RANK') {
1134: $message = &mt('You have provided an invalid ranking.');
1135: if ($target ne 'tex') {
1136: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1137: }
1138: $css_class=$possible_class{'not_charged_try'};
1139: $button=1;
1140: } elsif ($award eq 'EXCESS_FILESIZE') {
1141: $message = &mt("Submission won't be graded. The combined size of submitted files exceeded the amount allowed.");
1142: $css_class=$possible_class{'not_charged_try'};
1143: $button=1;
1144: } elsif ($award eq 'FILENAME_INUSE') {
1145: $message = &mt('You have already uploaded a file with that filename.');
1146: if ($target eq 'tex') {
1147: $message.= "\\\\\n";
1148: } else {
1149: $message .= '<br />';
1150: }
1151: $message .= &mt('Please use a different filename.');
1152: $css_class=$possible_class{'not_charged_try'};
1153: $button=1;
1154: } elsif ($award eq 'INVALID_FILETYPE') {
1155: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1156: $css_class=$possible_class{'not_charged_try'};
1157: $button=1;
1158: } elsif ($award eq 'SIG_FAIL') {
1159: my ($used,$min,$max)=split(':',$awardmsg);
1160: my $word = ($used < $min) ? 'more' : 'fewer';
1161: $message = &mt("Submission not graded. Use $word digits.",$used);
1162: $css_class=$possible_class{'not_charged_try'};
1163: $button=1;
1164: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1165: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1166: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1167: $css_class=$possible_class{'not_charged_try'};
1168: $button=1;
1169: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1170: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1171: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1172: $css_class=$possible_class{'not_charged_try'};
1173: $button=1;
1174: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1175: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1176: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1177: $css_class=$possible_class{'not_charged_try'};
1178: $button=1;
1179: } elsif ($award eq 'UNIT_NOTNEEDED') {
1180: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1181: $css_class=$possible_class{'not_charged_try'};
1182: $button=1;
1183: } elsif ($award eq 'NO_UNIT') {
1184: $message = &mt("Units required").'.';
1185: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1186: $css_class=$possible_class{'not_charged_try'};
1187: $button=1;
1188: } elsif ($award eq 'COMMA_FAIL') {
1189: $message = &mt("Proper comma separation is required").'.';
1190: $css_class=$possible_class{'not_charged_try'};
1191: $button=1;
1192: } elsif ($award eq 'BAD_FORMULA') {
1193: $message = &mt("Unable to understand formula").'.';
1194: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1195: $css_class=$possible_class{'not_charged_try'};
1196: $button=1;
1197: } elsif ($award eq 'NOT_FUNCTION') {
1198: $message = &mt("Not a function").'.';
1199: $css_class=$possible_class{'not_charged_try'};
1200: $button=1;
1201: } elsif ($award eq 'WRONG_FORMAT') {
1202: $message = &mt("Wrong format").'.';
1203: $css_class=$possible_class{'not_charged_try'};
1204: $button=1;
1205: } elsif ($award eq 'INTERNAL_ERROR') {
1206: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1207: $css_class=$possible_class{'not_charged_try'};
1208: $button=1;
1209: } elsif ($award eq 'INCORRECT') {
1210: $message = &mt("Incorrect").'.';
1211: $css_class=$possible_class{'charged_try'};
1212: $button=1;
1213: } elsif ($award eq 'SUBMITTED') {
1214: $message = &mt("Your submission has been recorded.");
1215: $css_class=$possible_class{'no_grade'};
1216: $button=1;
1217: } elsif ($award eq 'SUBMITTED_CREDIT') {
1218: $message = &mt("Your submission has been recorded, and credit awarded.");
1219: $css_class=$possible_class{'correct'};
1220: $button=1;
1221: } elsif ($award eq 'ANONYMOUS') {
1222: $message = &mt("Your anonymous submission has been recorded.");
1223: $css_class=$possible_class{'no_grade'};
1224: $button=1;
1225: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1226: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1227: $css_class=$possible_class{'correct'};
1228: $button=1;
1229: } elsif ($award eq 'DRAFT') {
1230: $message = &mt("Copy saved but not submitted.");
1231: $css_class=$possible_class{'not_charged_try'};
1232: $button=1;
1233: } elsif ($award eq 'ASSIGNED_SCORE') {
1234: $message = &mt("A score has been assigned.");
1235: $css_class=$possible_class{'correct'};
1236: $button=0;
1237: } elsif ($award eq '') {
1238: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1239: $message = &mt("Nothing submitted.");
1240: $css_class=$possible_class{'charged_try'};
1241: } else {
1242: $css_class=$possible_class{'not_charged_try'};
1243: }
1244: $button=1;
1245: } else {
1246: $message = &mt("Unknown message").": $award";
1247: $button=1;
1248: }
1249: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1250: foreach my $resid(@Apache::inputtags::response){
1251: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1252: if ($target eq 'tex') {
1253: $message.= "\\\\\n";
1254: } else {
1255: $message.='<br />';
1256: }
1257: my @files = split(/\s*,\s*/,
1258: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1259: my $file_msg;
1260: foreach my $file (@files) {
1261: if ($target eq 'tex') {
1262: $file_msg.= "\\\\\n".$file;
1263: } else {
1264: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1265: }
1266: }
1267: $message .= &mt('Returned file(s): [_1]',$file_msg);
1268: if ($target eq 'tex') {
1269: $message.= "\\\\\n";
1270: } else {
1271: $message.='<br />';
1272: }
1273: }
1274: }
1275:
1276: if (&Apache::lonhomework::hide_problem_status()
1277: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1278: && &hide_award($award)) {
1279: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1280: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1281: if ($interval[0] =~ /\d+/) {
1282: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1283: if (defined($first_access)) {
1284: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1285: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1286: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1287: }
1288: }
1289: }
1290: $css_class=$possible_class{'no_grade'};
1291: $button=1;
1292: }
1293: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1294: !$added_computer_text && $target ne 'tex') {
1295: $message.= $computer;
1296: $added_computer_text=1;
1297: }
1298: if ($Apache::lonhomework::type eq 'practice') {
1299: if ($target eq 'web') {
1300: $message .= '<br />';
1301: } else {
1302: $message .= ' ';
1303: }
1304: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1305: }
1306: return ($button,$css_class,$message,$previousmsg);
1307: }
1308:
1309: sub markup_unit {
1310: my ($unit,$target)=@_;
1311: if ($target eq 'tex') {
1312: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1313: } else {
1314: return "<tt>".$unit."</tt>";
1315: }
1316: }
1317:
1318: sub removealldata {
1319: my ($id)=@_;
1320: foreach my $key (keys(%Apache::lonhomework::results)) {
1321: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1322: &Apache::lonxml::debug("Removing $key");
1323: delete($Apache::lonhomework::results{$key});
1324: }
1325: }
1326: }
1327:
1328: sub hidealldata {
1329: my ($id)=@_;
1330: foreach my $key (keys(%Apache::lonhomework::results)) {
1331: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1332: &Apache::lonxml::debug("Hidding $key");
1333: my $newkey=$key;
1334: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1335: $Apache::lonhomework::results{$newkey}=
1336: $Apache::lonhomework::results{$key};
1337: delete($Apache::lonhomework::results{$key});
1338: }
1339: }
1340: }
1341:
1342: sub setgradedata {
1343: my ($award,$msg,$id,$previously_used) = @_;
1344: if ($Apache::lonhomework::scantronmode &&
1345: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1346: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1347: } elsif ($Apache::lonhomework::scantronmode &&
1348: $env{'form.CODE'} eq '' &&
1349: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1350: $Apache::lonhomework::results{"resource.CODE"}='';
1351: }
1352:
1353: if (!$Apache::lonhomework::scantronmode &&
1354: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1355: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1356: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1357: return '';
1358: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1359: || $Apache::lonhomework::scantronmode
1360: || &Apache::lonhomework::hide_problem_status() ) {
1361: # the student doesn't already have it correct,
1362: # or we are in a mode (scantron orno problem status) where a correct
1363: # can become incorrect
1364: # handle assignment of tries and solved status
1365: my $solvemsg;
1366: if ($Apache::lonhomework::scantronmode) {
1367: $solvemsg='correct_by_scantron';
1368: } else {
1369: $solvemsg='correct_by_student';
1370: }
1371: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1372: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1373: }
1374: if ( $award eq 'ASSIGNED_SCORE') {
1375: $Apache::lonhomework::results{"resource.$id.tries"} =
1376: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1377: $Apache::lonhomework::results{"resource.$id.solved"} =
1378: $solvemsg;
1379: my $numawards=scalar(@Apache::inputtags::response);
1380: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1381: foreach my $res (@Apache::inputtags::response) {
1382: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1383: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1384: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1385: } else {
1386: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1387: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1388: }
1389: }
1390: if ($numawards > 0) {
1391: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1392: $numawards;
1393: }
1394: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1395: $Apache::lonhomework::results{"resource.$id.tries"} =
1396: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1397: $Apache::lonhomework::results{"resource.$id.solved"} =
1398: $solvemsg;
1399: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1400: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1401: $Apache::lonhomework::results{"resource.$id.tries"} =
1402: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1403: $Apache::lonhomework::results{"resource.$id.solved"} =
1404: 'credit_attempted';
1405: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1406: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1407: $Apache::lonhomework::results{"resource.$id.tries"} =
1408: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1409: $Apache::lonhomework::results{"resource.$id.solved"} =
1410: 'credit_attempted';
1411: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1412: } elsif ( $award eq 'INCORRECT' ) {
1413: $Apache::lonhomework::results{"resource.$id.tries"} =
1414: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1415: if (&Apache::lonhomework::hide_problem_status()
1416: || $Apache::lonhomework::scantronmode) {
1417: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1418: }
1419: $Apache::lonhomework::results{"resource.$id.solved"} =
1420: 'incorrect_attempted';
1421: } elsif ( $award eq 'SUBMITTED' ) {
1422: $Apache::lonhomework::results{"resource.$id.tries"} =
1423: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1424: $Apache::lonhomework::results{"resource.$id.solved"} =
1425: 'ungraded_attempted';
1426: } elsif ( $award eq 'ANONYMOUS' ) {
1427: $Apache::lonhomework::results{"resource.$id.tries"} =
1428: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1429: $Apache::lonhomework::results{"resource.$id.solved"} =
1430: 'ungraded_attempted';
1431: } elsif ( $award eq 'DRAFT' ) {
1432: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1433: } elsif ( $award eq 'NO_RESPONSE' ) {
1434: #no real response so delete any data that got stored
1435: &removealldata($id);
1436: return '';
1437: } else {
1438: $Apache::lonhomework::results{"resource.$id.solved"} =
1439: 'incorrect_attempted';
1440: if (&Apache::lonhomework::show_no_problem_status()
1441: || $Apache::lonhomework::scantronmode) {
1442: $Apache::lonhomework::results{"resource.$id.tries"} =
1443: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1444: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1445: }
1446:
1447: if (&Apache::lonhomework::show_some_problem_status()) {
1448: # clear out the awarded if they had gotten it wrong/right
1449: # and are now in an error mode
1450: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1451: }
1452: }
1453: if (defined($msg)) {
1454: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1455: }
1456: # did either of the overall awards chage? If so ignore the
1457: # previous check
1458: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1459: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1460: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1461: $Apache::lonhomework::history{"resource.$id.solved"})) {
1462: # check if this was a previous submission if it was delete the
1463: # unneeded data and update the previously_used attribute
1464: if ( $previously_used eq 'PREVIOUSLY_USED') {
1465: if (&Apache::lonhomework::show_problem_status()) {
1466: delete($Apache::lonhomework::results{"resource.$id.tries"});
1467: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1468: }
1469: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1470: #delete all data as they student didn't do anything, but save
1471: #the list of collaborators.
1472: &removealldata($id);
1473: #and since they didn't do anything we were never here
1474: return '';
1475: } else {
1476: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1477: }
1478: }
1479: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1480: #delete all data as they student already has it correct
1481: &removealldata($id);
1482: #and since they didn't do anything we were never here
1483: return '';
1484: }
1485: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1486: if ($award eq 'SUBMITTED') {
1487: &Apache::response::add_to_gradingqueue();
1488: }
1489: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1490: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1491: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1492: $Apache::lonhomework::results{"resourse.$id.version"} = &Apache::lonnet::usedversion();
1493: }
1494:
1495: sub find_which_previous {
1496: my ($version) = @_;
1497: my $part = $Apache::inputtags::part;
1498: my (@previous_version);
1499: foreach my $resp (@Apache::inputtags::response) {
1500: my $key = "$version:resource.$part.$resp.submission";
1501: my $submission = $Apache::lonhomework::history{$key};
1502: my %previous = &Apache::response::check_for_previous($submission,
1503: $part,$resp,
1504: $version);
1505: push(@previous_version,$previous{'version'});
1506: }
1507: return &previous_match(\@previous_version,
1508: scalar(@Apache::inputtags::response));
1509: }
1510:
1511: sub previous_match {
1512: my ($previous_array,$count) = @_;
1513: my $match = 0;
1514: my @matches;
1515: foreach my $versionar (@$previous_array) {
1516: foreach my $version (@$versionar) {
1517: $matches[$version]++;
1518: }
1519: }
1520: my $which=0;
1521: foreach my $elem (@matches) {
1522: if ($elem eq $count) {
1523: $match=1;
1524: last;
1525: }
1526: $which++;
1527: }
1528: return ($match,$which);
1529: }
1530:
1531: sub grade {
1532: my ($target) = @_;
1533: my $id = $Apache::inputtags::part;
1534: my $response='';
1535: if ( defined $env{'form.submitted'}) {
1536: my (@awards,@msgs);
1537: foreach $response (@Apache::inputtags::response) {
1538: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1539: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1540: &Apache::lonxml::debug("keeping $value from $response for $id");
1541: push (@awards,$value);
1542: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1543: &Apache::lonxml::debug("got message $value from $response for $id");
1544: push (@msgs,$value);
1545: }
1546: my ($finalaward,$msg) =
1547: &finalizeawards(\@awards,\@msgs,undef,undef,
1548: $Apache::lonhomework::scantronmode);
1549: my $previously_used;
1550: if ( $#Apache::inputtags::previous eq $#awards ) {
1551: my ($match) =
1552: &previous_match(\@Apache::inputtags::previous_version,
1553: scalar(@Apache::inputtags::response));
1554:
1555: if ($match) {
1556: $previously_used = 'PREVIOUSLY_LAST';
1557: foreach my $value (@Apache::inputtags::previous) {
1558: if ($value eq 'PREVIOUSLY_USED' ) {
1559: $previously_used = $value;
1560: last;
1561: }
1562: }
1563: }
1564: }
1565: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1566: &setgradedata($finalaward,$msg,$id,$previously_used);
1567: }
1568: return '';
1569: }
1570:
1571: sub get_grade_messages {
1572: my ($id,$prefix,$target,$status,$nocorrect) = @_;
1573: # nocorrect suppresses "Computer's answer now shown above"
1574: my ($message,$latemessage,$trystr,$previousmsg);
1575: my $showbutton = 1;
1576:
1577: my $award = $Apache::lonhomework::history{"$prefix.award"};
1578: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1579: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1580: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1581: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1582: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1583: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1584: &Apache::lonxml::debug('Getting message');
1585: ($showbutton,my $css_class,$message,$previousmsg) =
1586: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1587: $target,(($status eq 'CAN_ANSWER') || $nocorrect));
1588: if ($target eq 'tex') {
1589: $message='\vskip 2 mm '.$message.' ';
1590: } else {
1591: $message="<td class=\"$css_class\">$message</td>";
1592: if ($previousmsg) {
1593: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1594: }
1595: }
1596: }
1597: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1598: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1599: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1600: #if tries are set to negative turn off the Tries/Button and messages
1601: if (defined($maxtries) && $maxtries < 0) { return ''; }
1602: if ( $tries eq '' ) { $tries = '0'; }
1603: if ( $maxtries eq '' ) { $maxtries = '2'; }
1604: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1605: my $tries_text= &get_tries_text();
1606: if ($showbutton) {
1607: if ($target eq 'tex') {
1608: if ($env{'request.state'} ne "construct"
1609: && $Apache::lonhomework::type ne 'exam'
1610: && $env{'form.suppress_tries'} ne 'yes') {
1611: $trystr ='{\vskip 1 mm \small '
1612: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1613: ,'\textit{','}',$tries.'/'.$maxtries )
1614: .'} \vskip 2 mm';
1615: } else {
1616: $trystr = '\vskip 0 mm ';
1617: }
1618: } else {
1619: my $trial =$tries;
1620: if ($Apache::lonhomework::parsing_a_task) {
1621: } elsif($env{'request.state'} ne 'construct') {
1622: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1623: } else {
1624: if (defined($Apache::inputtags::params{'maxtries'})) {
1625: $trial.="/".$Apache::inputtags::params{'maxtries'};
1626: }
1627: }
1628: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1629: }
1630: }
1631:
1632: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1633: #last submissions was after due date
1634: $latemessage=&mt(' The last submission was after the Due Date ');;
1635: if ($target eq 'web') {
1636: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1637: }
1638: }
1639: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1640: }
1641:
1642: sub gradestatus {
1643: my ($id,$target,$no_previous) = @_;
1644: my $showbutton = 1;
1645: my $message = '';
1646: my $latemessage = '';
1647: my $trystr='';
1648: my $button='';
1649: my $previousmsg='';
1650:
1651: my $status = $Apache::inputtags::status['-1'];
1652: &Apache::lonxml::debug("gradestatus has :$status:");
1653: if ( $status ne 'CLOSED'
1654: && $status ne 'UNAVAILABLE'
1655: && $status ne 'INVALID_ACCESS'
1656: && $status ne 'NEEDS_CHECKIN'
1657: && $status ne 'NOT_IN_A_SLOT'
1658: && $status ne 'RESERVABLE'
1659: && $status ne 'RESERVABLE_LATER'
1660: && $status ne 'NOTRESERVABLE') {
1661:
1662: if ($status eq 'SHOW_ANSWER') {
1663: $showbutton = 0;
1664: }
1665:
1666: ($previousmsg,$latemessage,$message,$trystr) =
1667: &get_grade_messages($id,"resource.$id",$target,$status,
1668: $showbutton);
1669: if ($status eq 'CANNOT_ANSWER') {
1670: $showbutton = 0;
1671: }
1672: if ( $status eq 'SHOW_ANSWER') {
1673: undef($previousmsg);
1674: }
1675: if ( $showbutton ) {
1676: if ($target ne 'tex') {
1677: $button =
1678: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1679: type="submit" name="submit_'.$id.'"
1680: value="'.&mt('Submit Answer').'" />';
1681: }
1682: }
1683:
1684: }
1685: my $output= $previousmsg.$latemessage.$message.$trystr;
1686: if ($output =~ /^\s*$/) {
1687: return $button;
1688: } else {
1689: if ($target eq 'tex') {
1690: return $button.' \vskip 0 mm '.$output.' ';
1691: } else {
1692: $output =
1693: '<table><tr><td>'.$button.'</td>'.$output;
1694: if (!$no_previous) {
1695: $output.='<td>'.&previous_tries($id,$target).'</td>';
1696: }
1697: $output.= '</tr></table>';
1698: return $output;
1699: }
1700: }
1701: }
1702:
1703: sub previous_tries {
1704: my ($id,$target) = @_;
1705: my $output;
1706: my $status = $Apache::inputtags::status['-1'];
1707:
1708: my $count;
1709: my %count_lookup;
1710: my $lastrndseed;
1711: my $numstamps = 0;
1712:
1713: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1714: my $prefix = $i.":resource.$id";
1715: my $is_anon;
1716: if (defined($env{'form.grade_symb'})) {
1717: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1718: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1719: $is_anon = 1;
1720: }
1721: }
1722: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1723: $count++;
1724: $count_lookup{$i} = $count;
1725: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1726: my ($previousmsg,$latemessage,$message,$trystr);
1727:
1728: ($previousmsg,$latemessage,$message,$trystr) =
1729: &get_grade_messages($id,"$prefix",$target,$status);
1730:
1731: if ($previousmsg ne '') {
1732: my ($match,$which) = &find_which_previous($i);
1733: $message=$previousmsg;
1734: my $previous = $count_lookup{$which};
1735: $message =~ s{(</td>)}{ as submission \# $previous $1};
1736: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1737: if (!(&Apache::lonhomework::hide_problem_status()
1738: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1739: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1740: ) {
1741:
1742: my $txt_correct = &mt('Correct');
1743: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1744: if ($awarded < 1 && $awarded > 0) {
1745: $txt_correct=&mt('Partially Correct');
1746: } elsif ($awarded < 1) {
1747: if ($awarded eq '') {
1748: $txt_correct='';
1749: } else {
1750: $txt_correct=&mt('Incorrect');
1751: }
1752: }
1753: $message =~ s{(<td.*?>)(.*?)(</td>)}
1754: {$1 <strong>$txt_correct</strong>. $3}s;
1755: }
1756: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1757: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1758: if ($curr_rndseed ne $lastrndseed) {
1759: $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>';
1760: }
1761: }
1762: $message =~ s{(</td>)}{ $trystr $1};
1763: }
1764: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1765: $message =~ s{(<td.*?>)}{<td>};
1766:
1767:
1768: $output .= '<tr class="'.$class.'">'.
1769: '<td align="center">'.$count.'</td>'.$message;
1770: if ((!$is_anon) && ($Apache::lonhomework::history{"$prefix.tries"}) &&
1771: ($Apache::lonhomework::history{"$prefix.award"} ne 'ASSIGNED_SCORE') &&
1772: ($Apache::lonhomework::history{$i.':timestamp'})) {
1773: $output .= '<td>'.&Apache::lonlocal::locallocaltime(
1774: $Apache::lonhomework::history{$i.':timestamp'}).'</td>';
1775: $numstamps ++;
1776: } else {
1777: $output .= '<td></td>';
1778: }
1779: foreach my $resid (@Apache::inputtags::response) {
1780: my $prefix = $prefix.".$resid";
1781: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1782: my $submission =
1783: $Apache::inputtags::submission_display{"$prefix.submission"};
1784: if (!defined($submission)) {
1785: $submission =
1786: $Apache::lonhomework::history{"$prefix.submission"};
1787: }
1788: if ($is_anon) {
1789: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1790: } else {
1791: $output.='<td>'.$submission.'</td>';
1792: }
1793: } else {
1794: $output.='<td></td>';
1795: }
1796: }
1797: $output.=&Apache::loncommon::end_data_table_row()."\n";
1798: $lastrndseed = $curr_rndseed;
1799: }
1800: return if ($output eq '');
1801: my $headers = '<tr>'.
1802: '<th>'.&mt('Submission #').'</th>'.
1803: '<th>'.&mt('Try').'</th><th>';
1804: if ($numstamps) {
1805: $headers .= &mt('When');
1806: }
1807: $headers .= '</th>';
1808: my $colspan = scalar(@Apache::inputtags::response);
1809: if ($colspan > 1) {
1810: $headers .= '<th colspan="'.$colspan.'">';
1811: } else {
1812: $headers .= '<th>';
1813: }
1814: $headers .= &mt('Submitted Answer').'</th></tr>';
1815: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1816:
1817: my $tries_text = &get_tries_text('link');
1818: my $prefix = $env{'form.request.prefix'};
1819: $prefix =~ tr{.}{_};
1820: my $function_name = "LONCAPA_previous_tries_".$prefix.
1821: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1822: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1823: return $result;
1824: }
1825:
1826: sub get_tries_text {
1827: my ($context) = @_;
1828: my $tries_text;
1829: if ($context eq 'link') {
1830: $tries_text = 'Previous Tries';
1831: } else {
1832: $tries_text = 'Tries';
1833: }
1834: if ( $Apache::lonhomework::type eq 'survey' ||
1835: $Apache::lonhomework::type eq 'surveycred' ||
1836: $Apache::lonhomework::type eq 'anonsurvey' ||
1837: $Apache::lonhomework::type eq 'anonsurveycred' ||
1838: $Apache::lonhomework::parsing_a_task) {
1839: if ($context eq 'link') {
1840: $tries_text = 'Previous Submissions';
1841: } else {
1842: $tries_text = 'Submissions';
1843: }
1844: }
1845: return $tries_text;
1846: }
1847:
1848: sub spelling_languages {
1849: my %langchoices;
1850: foreach my $id (&Apache::loncommon::languageids()) {
1851: my $code = &Apache::loncommon::supportedlanguagecode($id);
1852: if ($code ne '') {
1853: $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
1854: }
1855: }
1856: my @spelllangs = ('none');
1857: foreach my $code ('en','de','he','es','fr','pt','tr') {
1858: push(@spelllangs,[$code,$langchoices{$code}]);
1859: }
1860: return \@spelllangs;
1861: }
1862:
1863: 1;
1864: __END__
1865:
1866: =pod
1867:
1868: =back
1869:
1870: =cut
1871:
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