1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.333.2.6 2019/08/07 21:10:37 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27:
28: =pod
29:
30: =head1 NAME
31:
32: Apache::inputtags
33:
34: =head1 SYNOPSIS
35:
36:
37:
38: This is part of the LearningOnline Network with CAPA project
39: described at http://www.lon-capa.org.
40:
41:
42: =head1 NOTABLE SUBROUTINES
43:
44: =over
45:
46: =item
47:
48: =back
49:
50: =cut
51:
52: package Apache::inputtags;
53: use HTML::Entities();
54: use strict;
55: use Apache::loncommon;
56: use Apache::lonhtmlcommon;
57: use Apache::lonlocal;
58: use Apache::lonnet;
59: use LONCAPA;
60:
61:
62: BEGIN {
63: &Apache::lonxml::register('Apache::inputtags',('hiddensubmission','hiddenline','textfield','textline'));
64: }
65:
66: =pod
67:
68: =item initialize_inputtags()
69:
70: Initializes a set of global variables used during the parse of the problem.
71:
72: @Apache::inputtags::input - List of current input ids.
73: @Apache::inputtags::inputlist - List of all input ids seen this problem.
74: @Apache::inputtags::response - List of all current resopnse ids.
75: @Apache::inputtags::responselist - List of all response ids seen this
76: problem.
77: @Apache::inputtags::hint - List of all hint ids.
78: @Apache::inputtags::hintlist - List of all hint ids seen this problem.
79: @Apache::inputtags::previous - List describing if specific responseds
80: have been used
81: @Apache::inputtags::previous_version - Submission responses were used in.
82: $Apache::inputtags::part - Current part id (valid only in
83: <problem>)
84: 0 if not in a part.
85: @Apache::inputtags::partlist - List of part ids seen in the current
86: <problem>
87: @Apache::inputtags::status - List of problem statuses. First
88: element is the status of the <problem>
89: the remainder are for individual <part>s.
90: %Apache::inputtags::params - Hash of defined parameters for the
91: current response.
92: @Apache::inputtags::import - List of all ids for <import> thes get
93: join()ed and prepended.
94: @Apache::inputtags::importlist - List of all import ids seen.
95: $Apache::inputtags::response_with_no_part
96: - Flag set true if we have seen a response
97: that is not inside a <part>
98: %Apache::inputtags::answertxt - <*response> tags store correct
99: answer strings for display by <textline/>
100: in this hash.
101: %Apache::inputtags::submission_display
102: - <*response> tags store improved display
103: of submission strings for display by part
104: end.
105:
106: =cut
107:
108: sub initialize_inputtags {
109: @Apache::inputtags::input=();
110: @Apache::inputtags::inputlist=();
111: @Apache::inputtags::response=();
112: @Apache::inputtags::responselist=();
113: @Apache::inputtags::hint=();
114: @Apache::inputtags::hintlist=();
115: @Apache::inputtags::previous=();
116: @Apache::inputtags::previous_version=();
117: $Apache::inputtags::part='';
118: @Apache::inputtags::partlist=();
119: @Apache::inputtags::status=();
120: %Apache::inputtags::params=();
121: @Apache::inputtags::import=();
122: @Apache::inputtags::importlist=();
123: $Apache::inputtags::response_with_no_part=0;
124: %Apache::inputtags::answertxt=();
125: %Apache::inputtags::submission_display=();
126: }
127:
128: #
129: # provides the onblur binding for spellchecking. This could be an
130: # empty string if spellchecking was not enabled.
131: # Jquery selector binding is done rather than setting an onblur
132: # attribute because we'll need to set the element's spellcheck language
133: # option dynamically so we need $(this) to be defined.
134: #
135: # @param id - The element id to bind.
136: # @param lang - Language in which spellchecking is desired.
137: # if undef, nothing is generated.
138: # @return string - onblur specification to do the requested spellchecking.
139: #
140: sub spellcheck_onblur {
141: my ($id, $lang) = @_;
142: my $result = '';
143: if ($lang) {
144:
145: $result = <<JAVASCRIPT;
146: <script type="text/javascript">
147: \$('\#$id').blur(function() {
148: doSpellcheck('\#$id', '$lang');
149: });
150: </script>
151:
152: JAVASCRIPT
153:
154:
155: }
156: return $result;
157: }
158:
159: sub check_for_duplicate_ids {
160: my %check;
161: foreach my $id (@Apache::inputtags::partlist,
162: @Apache::inputtags::responselist,
163: @Apache::inputtags::hintlist,
164: @Apache::inputtags::importlist) {
165: $check{$id}++;
166: }
167: my @duplicates;
168: foreach my $id (sort(keys(%check))) {
169: if ($check{$id} > 1) {
170: push(@duplicates,$id);
171: }
172: }
173: if (@duplicates) {
174: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
175: }
176: }
177:
178: sub start_input {
179: my ($parstack,$safeeval)=@_;
180: my $id = &Apache::lonxml::get_id($parstack,$safeeval);
181: push (@Apache::inputtags::input,$id);
182: push (@Apache::inputtags::inputlist,$id);
183: return $id;
184: }
185:
186: sub end_input {
187: pop @Apache::inputtags::input;
188: return '';
189: }
190:
191: sub addchars {
192: my ($fieldid,$addchars)=@_;
193: my $output='';
194: foreach (split(/\,/,$addchars)) {
195: $output.='<a href="javascript:void(document.forms.lonhomework.'.
196: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
197: }
198: return $output;
199: }
200:
201: sub start_textfield {
202: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
203: my $result = "";
204: my $id = &start_input($parstack,$safeeval);
205: my $resid=$Apache::inputtags::response[-1];
206: if ($target eq 'web') {
207: $Apache::lonxml::evaluate--;
208: my $partid=$Apache::inputtags::part;
209: my ($oldresponse,$newvariation);
210: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
211: ($Apache::lonhomework::type eq 'randomizetry')) &&
212: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
213: if ($env{'form.'.$partid.'.rndseed'} ne
214: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
215: $newvariation = 1;
216: }
217: }
218: unless ($newvariation) {
219: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
220: (($env{'form.grade_username'} eq $env{'user.name'}) &&
221: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
222: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"};
223: } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') ||
224: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred')) {
225: $oldresponse = '* '.&mt('(only shown to submitter)').' *';
226: } else {
227: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"};
228: }
229: }
230: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
231: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
232: if ( $cols eq '') { $cols = 80; }
233: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
234: if ( $rows eq '') { $rows = 16; }
235: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
236: $result='';
237: my $tagident = 'HWVAL_' . $resid;
238: my $itemid = 'HWVAL_'.$partid.'_'.$resid;
239: if ($addchars) {
240: $result.=&addchars($tagident, $addchars);
241: }
242: my $textareaclass;
243: unless (&Apache::londefdef::is_inside_of($tagstack,
244: 'externalresponse')) {
245: $textareaclass = 'class="LC_richDetectHtml spellchecked"';
246: }
247: $result.= '<textarea wrap="hard" name="'.$tagident.'" id="'.$itemid.'" ' .
248: 'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass
249: .'>'.
250: &HTML::Entities::encode($oldresponse,'<>&"');
251: if ($oldresponse ne '') {
252:
253: #get rid of any startup text if the user has already responded
254: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
255: }
256: } else {
257: #show past answer in the essayresponse case
258: if ($oldresponse =~ /\S/
259: && &Apache::londefdef::is_inside_of($tagstack,
260: 'essayresponse') ) {
261: $result='<table class="LC_pastsubmission"><tr><td>'.
262: &HTML::Entities::encode($oldresponse,'"<>&').
263: '</td></tr></table>';
264: }
265: #get rid of any startup text
266: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
267: }
268: } elsif ($target eq 'grade') {
269: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
270: $style);
271: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
272: # if the seed text is still there it wasn't a real submission
273: $env{'form.HWVAL_'.$resid}='';
274: }
275: } elsif ($target eq 'edit') {
276: $result.=&Apache::edit::tag_start($target,$token);
277: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
278: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
279: $result.=&Apache::edit::text_arg
280: ('Click-On Texts (comma sep):','addchars',$token,10);
281: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
282: $style);
283: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
284: my $spell_langs = &spelling_languages();
285: $result .= &Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
286: $spell_langs, $token);
287: } elsif ($target eq 'modified') {
288: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
289: $safeeval,'rows','cols',
290: 'addchars', 'spellcheck');
291: if ($constructtag) {
292: $result = &Apache::edit::rebuild_tag($token);
293: } else {
294: $result=$token->[4];
295: }
296: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
297: } elsif ($target eq 'tex') {
298: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
299: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
300: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
301: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
302: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
303: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
304: } else {
305: if ($env{'form.pdfFormFields'} eq 'yes') {
306: my $fieldname = $env{'request.symb'}.
307: '&part_'. $Apache::inputtags::part.
308: '&textresponse'.
309: '&HWVAL_' . $Apache::inputtags::response['-1'];
310: $result.='\TextField[name='.$fieldname.',multiline=true,height=6\baselineskip,width=270,borderwidth=0,backgroundcolor={.85 .85 .85}]\\';
311: } else {
312: my $TeXwidth=$width_of_box/80;
313: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
314: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
315: $result.='}}}\vskip 2 mm ';
316: }
317: }
318: }
319: return $result;
320: }
321:
322: sub end_textfield {
323: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
324: my $result;
325: if ($target eq 'web') {
326: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
327: $Apache::lonxml::evaluate++;
328: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
329: my $partid=$Apache::inputtags::part;
330: my $resid = $Apache::inputtags::response[-1];
331: my $itemid = 'HWVAL_' . $partid . '_' . $resid;
332: my $result = "</textarea>";
333: $result .= &spellcheck_onblur($itemid, $spellcheck);
334: return $result;
335: }
336: } elsif ($target eq 'edit') {
337: $result=&Apache::edit::end_table();
338: }
339: &end_input;
340: return $result;
341: }
342:
343: sub exam_score_line {
344: my ($target) = @_;
345:
346: my $result;
347: if ($target eq 'tex') {
348: my $repetition = &Apache::response::repetition();
349: $result.='\begin{enumerate}';
350: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
351: foreach my $i (0..$repetition-1) {
352: $result.='\item[\textbf{'.
353: ($Apache::lonxml::counter+$i).
354: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
355: }
356: $result.= '\end{enumerate}';
357: }
358:
359: return $result;
360: }
361:
362: sub exam_box {
363: my ($target) = @_;
364: my $result;
365:
366: if ($target eq 'tex') {
367: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
368: $result .= &exam_score_line($target);
369: } elsif ($target eq 'web') {
370: my $id=$Apache::inputtags::response[-1];
371: $result.= '<br /><br />
372: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
373: </textarea> <br /><br />';
374: }
375: return $result;
376: }
377:
378: sub needs_exam_box {
379: my ($tagstack) = @_;
380: my @tags = ('formularesponse',
381: 'stringresponse',
382: 'reactionresponse',
383: 'organicresponse',
384: );
385:
386: foreach my $tag (@tags) {
387: if (grep(/\Q$tag\E/,@$tagstack)) {
388: return 1;
389: }
390: }
391: return 0;
392: }
393:
394: sub start_textline {
395: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
396: my $result = "";
397: my $input_id = &start_input($parstack,$safeeval);
398:
399: # The spellcheck attribute
400: # 1. enables spellchecking.
401: # 2. Provides the language code in which the spellchecking will be performed.
402:
403: my $spellcheck = &Apache::lonxml::get_param('spellcheck', $parstack, $safeeval);
404: if ($target eq 'web') {
405: $Apache::lonxml::evaluate--;
406: my $partid=$Apache::inputtags::part;
407: my $id=$Apache::inputtags::response[-1];
408: if (!&Apache::response::show_answer()) {
409: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
410: my $maxlength;
411: if ($size eq '') { $size=20; } else {
412: if ($size < 20) {
413: $maxlength = ' maxlength="'.$size.'"';
414: }
415: }
416: my ($oldresponse,$newvariation);
417: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
418: ($Apache::lonhomework::type eq 'randomizetry')) &&
419: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
420: if ($env{'form.'.$partid.'.rndseed'} ne
421: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
422: $newvariation = 1;
423: }
424: }
425: unless ($newvariation) {
426: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
427: (($env{'form.grade_username'} eq $env{'user.name'}) &&
428: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
429: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
430: } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') ||
431: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred') ||
432: ($Apache::lonhomework::type eq 'anonsurvey') ||
433: ($Apache::lonhomework::type eq 'anonsurveycred')) {
434: $oldresponse = '* '.&mt('(only shown to submitter)').' *';
435: } else {
436: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
437: }
438: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
439: if (ref($oldresponse) eq 'ARRAY') {
440: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
441: }
442: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
443: $oldresponse =~ s/^\s+//;
444: $oldresponse =~ s/\s+$//;
445: $oldresponse =~ s/\s+/ /g;
446: }
447: if ($Apache::lonhomework::type ne 'exam') {
448: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
449: $result='';
450: if ($addchars) {
451: $result.=&addchars('HWVAL_'.$id,$addchars);
452: }
453: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
454: $safeeval);
455: if (lc($readonly) eq 'yes'
456: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
457: $readonly=' readonly="readonly" ';
458: } else {
459: $readonly='';
460: }
461: my $name = 'HWVAL_'.$id;
462: my $itemid = 'HWVAL_'.$partid.'_'.$id;
463: my $input_tag_id = $itemid.'_'.$input_id;
464: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
465: $name = "none";
466: }
467: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');"'
468: . ' onfocus="javascript:disableAutoComplete(\''.$input_tag_id.'\');"'
469: . ' type="text" '.$readonly.' name="'. $name . '"'
470: . ' id="' . $input_tag_id . '"'
471: . ' value="'. $oldresponse.'"'
472: . ' class="LC_textline spellchecked" size="'.$size.'"'.$maxlength.' />';
473:
474: $result .= &spellcheck_onblur($itemid, $spellcheck);
475: if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') &&
476: (($tagstack->[-2] eq 'formularesponse') || ($tagstack->[-2] eq 'mathresponse')) &&
477: (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
478: $result.=&edit_mathresponse_button($input_tag_id);
479: }
480: }
481: if ($Apache::lonhomework::type eq 'exam'
482: && &needs_exam_box($tagstack)) {
483: $result.=&exam_box($target);
484: }
485: } else {
486: #right or wrong don't show what was last typed in.
487: my $count = scalar(@Apache::inputtags::inputlist)-1;
488: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
489: #$result='';
490: }
491: } elsif ($target eq 'edit') {
492: $result=&Apache::edit::tag_start($target,$token);
493: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
494: &Apache::edit::text_arg('Click-On Texts (comma sep):',
495: 'addchars',$token,10);
496: $result.=&Apache::edit::select_arg('Readonly:','readonly',
497: ['no','yes'],$token);
498: my $spell_langs = &spelling_languages();
499: $result.=&Apache::edit::select_arg('Spellcheck for:', 'spellcheck',
500: $spell_langs, $token);
501: $result.=&Apache::edit::end_row();
502: $result.=&Apache::edit::end_table();
503: } elsif ($target eq 'modified') {
504: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
505: $safeeval,'size',
506: 'addchars','readonly', 'spellcheck');
507: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
508: } elsif ($target eq 'tex'
509: && $Apache::lonhomework::type ne 'exam') {
510: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
511: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
512: if ($env{'form.pdfFormFields'} eq 'yes'
513: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
514: my $fieldname = $env{'request.symb'}.
515: '&part_'. $Apache::inputtags::part.
516: '&textresponse'.
517: '&HWVAL_' . $Apache::inputtags::response['-1'];
518: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
519: } else {
520: $result='\framebox['.$size.'][s]{\tiny\strut}';
521: }
522: } elsif ($target eq 'tex'
523: && $Apache::lonhomework::type eq 'exam'
524: && &needs_exam_box($tagstack)) {
525: $result.=&exam_box($target);
526: }
527: return $result;
528: }
529:
530: sub end_textline {
531: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
532: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
533: elsif ($target eq 'edit') { return ('','no'); }
534: &end_input();
535: return "";
536: }
537:
538: sub start_hiddenline {
539: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
540: my $result = "";
541: my $input_id = &start_input($parstack,$safeeval);
542: if ($target eq 'web') {
543: $Apache::lonxml::evaluate--;
544: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
545: my $partid=$Apache::inputtags::part;
546: my $id=$Apache::inputtags::response[-1];
547: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
548: if (ref($oldresponse) eq 'ARRAY') {
549: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
550: }
551: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
552:
553: if ($Apache::lonhomework::type ne 'exam') {
554: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
555: $oldresponse.'" />';
556: }
557: }
558: } elsif ($target eq 'edit') {
559: $result=&Apache::edit::tag_start($target,$token);
560: $result.=&Apache::edit::end_table;
561: }
562:
563: if ( ($target eq 'web' || $target eq 'tex')
564: && $Apache::lonhomework::type eq 'exam'
565: && &needs_exam_box($tagstack)) {
566: $result.=&exam_box($target);
567: }
568: return $result;
569: }
570:
571: sub end_hiddenline {
572: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
573: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
574: elsif ($target eq 'edit') { return ('','no'); }
575: &end_input();
576: return "";
577: }
578:
579:
580: sub start_hiddensubmission {
581: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
582: my $result = "";
583: my $input_id = &start_input($parstack,$safeeval);
584: if ($target eq 'web') {
585: $Apache::lonxml::evaluate--;
586: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
587: my $partid=$Apache::inputtags::part;
588: my $id=$Apache::inputtags::response[-1];
589: if ($Apache::lonhomework::type ne 'exam') {
590: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
591: $value = &HTML::Entities::encode($value,'<>&"');
592: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
593: }
594: }
595: } elsif ($target eq 'edit') {
596: $result=&Apache::edit::tag_start($target,$token);
597: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
598: $result.=&Apache::edit::end_row();
599: $result.=&Apache::edit::end_table();
600: } elsif ($target eq 'modified') {
601: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
602: $safeeval,'value');
603: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
604: }
605:
606: if ( ($target eq 'web' || $target eq 'tex')
607: && $Apache::lonhomework::type eq 'exam'
608: && &needs_exam_box($tagstack)) {
609: $result.=&exam_box($target);
610: }
611: return $result;
612: }
613:
614: sub end_hiddensubmission {
615: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
616: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
617: elsif ($target eq 'edit') { return ('','no'); }
618: &end_input();
619: return "";
620: }
621:
622: =pod
623:
624: =item file_selector()
625:
626: $part -> partid
627: $id -> responseid
628: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
629: $which -> 'uploadonly' -> only newly uploaded files
630: 'portfolioonly' -> only allow files from portfolio
631: 'both' -> allow files from either location
632: $extratext -> additional text to go between the link and the input box
633: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
634: returns a table row <tr>
635:
636: =cut
637:
638: sub file_selector {
639: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
640: if (!$uploadedfiletypes) { return ''; }
641:
642: my $jspart=$part;
643: $jspart=~s/\./_/g;
644:
645: my $result;
646: my $current_files_display = ¤t_file_submissions($part,$id);
647: my $addfiles;
648: if ($current_files_display) {
649: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
650: $current_files_display.
651: &Apache::lonhtmlcommon::row_closure();
652: $addfiles = &mt('Submit other file(s)');
653: } else {
654: $addfiles = &mt('Choose file(s) to submit');
655: }
656: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
657: my $constraints;
658: if ($uploadedfiletypes ne '*') {
659: $constraints =
660: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
661: }
662: if ($maxfilesize) {
663: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB.',
664: '<b>'.$maxfilesize.'</b>').'<br />';
665: }
666: if ($constraints) {
667: $result .= $constraints.'<br />';
668: }
669: if ($which eq 'uploadonly' || $which eq 'both') {
670: my $free_space = $maxfilesize * 1048576;
671: $result .= &mt('Submit a file: (only one file per submission)').
672: ' <br /><input type="file" size="50" name="HWFILE'.$jspart.'_'.$id.
673: '" id="HWFILE'.$jspart.'_'.$id.'" class="LC_flUpload" />'.
674: '<input type="hidden" id="free_space" value="'.$free_space.'" /><br />';
675: }
676: if ( $which eq 'both') {
677: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
678: }
679: if ($which eq 'portfolioonly' || $which eq 'both') {
680: my $symb = $env{'request.symb'};
681: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
682: my $showsymb;
683: # If resource is a .task and URL is unencrypted, include symb in query string
684: # for url opened in portfolio file selection window. Can be used to override
685: # blocking of portfolio access resulting from an exam event in a different course.
686: if ($res =~ /\.task$/i) {
687: my $encsymb = &Apache::lonenc::check_encrypt($symb);
688: if ($symb eq $encsymb) {
689: $showsymb = $symb;
690: }
691: }
692: $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"))'."'".'>'.
693: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
694: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
695: '<br />';
696:
697: }
698: $result.=&Apache::lonhtmlcommon::row_closure(1);
699: return $result;
700: }
701:
702: sub current_file_submissions {
703: my ($part,$id) = @_;
704: my $jspart=$part;
705: $jspart=~s/\./_/g;
706: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
707: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
708: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
709: my $header = &portpath_popup_js().
710: &Apache::loncommon::start_data_table().
711: &Apache::loncommon::start_data_table_header_row();
712: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
713: $header .= '<th>'.&mt('Delete?').'</th>';
714: }
715: $header .= '<th>'.&mt('File').'</th>'.
716: '<th>'.&mt('Size (MB)').'</th>'.
717: '<th>'.&mt('Last Modified').'</th>'.
718: &Apache::loncommon::end_data_table_header_row();
719: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
720: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
721: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
722: if ($uploadedfile) {
723: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
724: my $link = &HTML::Entities::encode($url,'<>&"');
725: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
726: my ($status,$hashref,$error) =
727: ¤t_file_info($url,$link,$name,$path);
728: if ($status eq 'ok') {
729: push(@{$okfiles{$name}},$url);
730: $rows{$url} = $hashref;
731: $legacy{$url} = 1;
732: &Apache::lonxml::extlink($url);
733: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
734: } else {
735: push(@bad_file_list,$error);
736: }
737: }
738: if ($portfiles =~ /[^\s]/) {
739: my $prefix = "/uploaded/$udom/$uname/portfolio";
740: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
741: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
742: my $url = $prefix.$path.$name;
743: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
744: my ($status,$hashref,$error) =
745: ¤t_file_info($url,$uploadedfile,$name,$path);
746: if ($status eq 'ok') {
747: push(@{$okfiles{$name}},$url);
748: $rows{$url} = $hashref;
749: } else {
750: push(@bad_file_list,$error);
751: }
752: }
753: }
754: my $num = 0;
755: foreach my $name (sort(keys(%okfiles))) {
756: if (ref($okfiles{$name}) eq 'ARRAY') {
757: foreach my $url (@{$okfiles{$name}}) {
758: if (ref($rows{$url}) eq 'HASH') {
759: my $link = $rows{$url}{link};
760: my $portfile = $rows{$url}{path}.$rows{$url}{name};
761: $portfile = &HTML::Entities::encode($portfile,'<>&"');
762: if ($link) {
763: my $icon=&Apache::loncommon::icon($url);
764: unless ($header_shown) {
765: $result .= $header;
766: $header_shown = 1;
767: }
768: $result.=
769: &Apache::loncommon::start_data_table_row()."\n";
770: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
771: $result .=
772: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
773: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
774: $num ++;
775: }
776: my $pathid = 'HWFILE'.$jspart.'_'.$id.'_'.$num.'_path';
777: my $pathidtext = $pathid.'text';
778: my ($showname,$showpath);
779: if ($legacy{$url}) {
780: $showname = $name.' '.&mt('not in portfolio');
781: } else {
782: $showname = $name;
783: $showpath = '<br />'.
784: '<span id="'.$pathidtext.'" class="LC_cusr_subheading">'.
785: '<a href="javascript:showPortPath('."'$pathid','$pathidtext'".');" '.
786: 'class="LC_menubuttons_link">'.
787: &mt('(Show path)').'</a></span>'.
788: '<div id="'.$pathid.'" class="LC_dccid">'.$rows{$url}{path}.$name.
789: '</div>';
790: }
791: $result .=
792: '<td><a href="'.$link.'"><img src="'.$icon.
793: '" border="0" alt="" />'.$showname.'</a>'.$showpath.'</td>'."\n".
794: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
795: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
796: &Apache::loncommon::end_data_table_row();
797: }
798: }
799: }
800: }
801: }
802: if ($header_shown) {
803: $result .= &Apache::loncommon::end_data_table();
804: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
805: $result .= '<br /><span class="LC_warning">'.
806: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
807: }
808: }
809: if (@bad_file_list) {
810: my $bad_files = '<span class="LC_filename">'.
811: join('</span>, <span class="LC_filename">',@bad_file_list).
812: '</span>';
813: $result.='<p class="LC_error">'.
814: &mt("These file(s) don't exist: [_1]",$bad_files).
815: '</p>';
816: }
817: return $result;
818: }
819:
820: sub current_file_info {
821: my ($url,$uploadedfile,$name,$path) = @_;
822: my ($status,$error,%info);
823: my @stat = &Apache::lonnet::stat_file($url);
824: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
825: my ($lastmod,$size);
826: if ($stat[9] =~ /^\d+$/) {
827: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
828: }
829: $size = $stat[7]/(1024*1024);
830: $size = sprintf("%.3f",$size);
831: %info = (
832: link => $uploadedfile,
833: name => $name,
834: path => $path,
835: size => $size,
836: lastmodified => $lastmod,
837: );
838: $status = 'ok';
839: } else {
840: &Apache::lonnet::logthis("bad file is $url");
841: my $icon=&Apache::loncommon::icon($url);
842: $error = '<a href="'.$url.'"><img src="'.$icon.
843: '" border="0" />'.$uploadedfile.'</a>';
844: }
845: return ($status,\%info,$error);
846: }
847:
848: sub portpath_popup_js {
849: my %lt = &Apache::lonlocal::texthash(
850: show => '(Show path)',
851: hide => '(Hide)',
852: );
853: return <<"END";
854: <script type="text/javascript">
855: // <![CDATA[
856:
857: function showPortPath(id,idtext) {
858: document.getElementById(id).style.display='block';
859: document.getElementById(id).style.textAlign='left';
860: document.getElementById(id).style.textFace='normal';
861: if (document.getElementById(idtext)) {
862: document.getElementById(idtext).innerHTML ='<a href="javascript:hidePortPath(\\''+id+'\\',\\''+idtext+'\\'); '+
863: '"class="LC_menubuttons_link">$lt{'hide'}</a> ';
864: }
865: return;
866: }
867:
868: function hidePortPath(id,idtext) {
869: if (document.getElementById(id)) {
870: document.getElementById(id).style.display='none';
871: }
872: if (document.getElementById(idtext)) {
873: document.getElementById(idtext).innerHTML ='<a href="javascript:showPortPath(\\''+id+'\\',\\''+idtext+'\\');" '+
874: 'class="LC_menubuttons_link">$lt{'show'}</a>';
875: }
876: return;
877: }
878:
879: // ]]>
880: </script>
881:
882: END
883: }
884:
885: sub valid_award {
886: my ($award) =@_;
887: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
888: 'NO_RESPONSE','WRONG_NUMBOXESCHECKED',
889: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
890: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
891: 'UNIT_FAIL', 'NO_UNIT',
892: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
893: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
894: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
895: 'MISORDERED_RANK', 'INVALID_FILETYPE',
896: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
897: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
898: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
899: 'ASSIGNED_SCORE', 'APPROX_ANS',
900: 'EXACT_ANS','COMMA_FAIL') {
901: if ($award eq $possibleaward) { return 1; }
902: }
903: return 0;
904: }
905:
906: {
907: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
908: 'WRONG_NUMBOXESCHECKED','TOO_LONG',
909: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
910: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
911: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
912: 'WRONG_FORMAT', 'INTERNAL_ERROR',
913: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
914: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
915: 'DRAFT', 'SUBMITTED',
916: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
917: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
918: my $i=0;
919: my %fwd_awards = map { ($_,$i++) } @awards;
920: my $max=scalar(@awards);
921: @awards=reverse(@awards);
922: $i=0;
923: my %rev_awards = map { ($_,$i++) } @awards;
924:
925: sub awarddetail_to_awarded {
926: my ($awarddetail) = @_;
927: if ($awarddetail eq 'EXACT_ANS'
928: || $awarddetail eq 'APPROX_ANS') {
929: return 1;
930: }
931: return 0;
932: }
933:
934: sub hide_award {
935: my ($award) = @_;
936: if (&Apache::lonhomework::show_no_problem_status()) {
937: return 1;
938: }
939: if ($award =~
940: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
941: return 1;
942: }
943: return 0;
944: }
945:
946: sub finalizeawards {
947: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
948: my $result;
949: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
950: if ($result eq '' ) {
951: my $blankcount;
952: foreach my $award (@$awardref) {
953: if ($award eq '') {
954: $result='MISSING_ANSWER';
955: $blankcount++;
956: }
957: }
958: if ($blankcount == ($#$awardref + 1)) {
959: return ('NO_RESPONSE');
960: }
961: }
962:
963: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
964:
965: if (!$final_scantron && defined($result)) { return ($result); }
966:
967: # if in scantron mode, if the award for any response is
968: # assigned score, then the part gets an assigned score
969: if ($final_scantron
970: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
971: return ('ASSIGNED_SCORE');
972: }
973:
974: # if in scantron mode, if the award for any response is
975: # correct and there are non-correct responses,
976: # then the part gets an assigned score
977: if ($final_scantron
978: && (grep { $_ eq 'EXACT_ANS' ||
979: $_ eq 'APPROX_ANS' } (@$awardref))
980: && (grep { $_ ne 'EXACT_ANS' &&
981: $_ ne 'APPROX_ANS' } (@$awardref))) {
982: return ('ASSIGNED_SCORE');
983: }
984: # these awards are ordered from most important error through best correct
985: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
986:
987: my $best = $max;
988: my $j=0;
989: my $which;
990: foreach my $award (@$awardref) {
991: if ($awards->{$award} < $best) {
992: $best = $awards->{$award};
993: $which = $j;
994: }
995: $j++;
996: }
997:
998: # if at least one response item is set to include lenient grading
999: # and that item is partially correct then overall award reflects
1000: # that, unless an award for one of the other response items does
1001: # not fall within the basic awards for correct or incorrect.
1002: if ($Apache::inputtags::leniency) {
1003: if (($$awardref[$which] eq 'INCORRECT')
1004: && (grep { $_ eq 'EXACT_ANS' ||
1005: $_ eq 'APPROX_ANS' ||
1006: $_ eq 'ASSIGNED_SCORE' } (@$awardref))
1007: && !((grep { $_ ne 'INCORRECT' &&
1008: $_ ne 'EXACT_ANS' &&
1009: $_ ne 'APPROX_ANS' &&
1010: $_ ne 'ASSIGNED_SCORE' } (@$awardref)))) {
1011: return ('ASSIGNED_SCORE');
1012: }
1013: }
1014:
1015: if (defined($which)) {
1016: if (ref($nameref)) {
1017: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
1018: } else {
1019: return ($$awardref[$which],$$msgref[$which]);
1020: }
1021: }
1022: return ('ERROR',undef);
1023: }
1024: }
1025:
1026: sub decideoutput {
1027: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect,$tdclass)=@_;
1028:
1029: my $message='';
1030: my $button=0;
1031: my $previousmsg;
1032: my $css_class='orange';
1033: my $added_computer_text=0;
1034: my %possible_class =
1035: ( 'correct' => 'LC_answer_correct',
1036: 'charged_try' => 'LC_answer_charged_try',
1037: 'not_charged_try' => 'LC_answer_not_charged_try',
1038: 'no_grade' => 'LC_answer_no_grade',
1039: 'no_message' => 'LC_no_message',
1040: );
1041:
1042: my $part = $Apache::inputtags::part;
1043: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
1044: my $handgrade = ('yes' eq lc($tohandgrade));
1045: #
1046: # Should "Computer's Answer" be displayed?
1047: # Should not be displayed if still answerable,
1048: # if the problem is handgraded,
1049: # or if the problem does not give a correct answer
1050: #
1051:
1052: my $computer = ($handgrade || $nocorrect)? ''
1053: : &mt("Computer's answer now shown above.");
1054: &Apache::lonxml::debug("handgrade has :$handgrade:");
1055:
1056: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
1057:
1058: if ($solved =~ /^correct/) {
1059: $css_class=$possible_class{'correct'};
1060: $message=&mt('You are correct.');
1061: if ($awarded < 1 && $awarded > 0) {
1062: $message=&mt('You are partially correct.');
1063: $css_class=$possible_class{'not_charged_try'};
1064: } elsif ($awarded < 1) {
1065: $message=&mt('Incorrect.');
1066: $css_class=$possible_class{'charged_try'};
1067: }
1068: if ($handgrade ||
1069: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
1070: $message = &mt("A score has been assigned.");
1071: $added_computer_text=1;
1072: } else {
1073: if ($target eq 'tex') {
1074: $message = '\textbf{'.$message.'}';
1075: } else {
1076: $message = "<b>".$message."</b>";
1077: if ($computer) {
1078: $message = "$computer $message";
1079: }
1080: }
1081: $added_computer_text=1;
1082: if ($awarded > 0) {
1083: my ($symb) = &Apache::lonnet::whichuser();
1084: if (($symb ne '')
1085: &&
1086: ($env{'course.'.$env{'request.course.id'}.
1087: '.disable_receipt_display'} ne 'yes') &&
1088: ($Apache::lonhomework::type ne 'practice')) {
1089: $message.=(($target eq 'web')?'<br />':' ').
1090: &mt('Your receipt no. is [_1]',
1091: (&Apache::lonnet::receipt($Apache::inputtags::part).
1092: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1093: }
1094: }
1095: }
1096: if ($awarded >= 1) {
1097: $button=0;
1098: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
1099: $button=0;
1100: } else {
1101: $button=1;
1102: }
1103: $previousmsg='';
1104: } elsif ($solved =~ /^excused/) {
1105: if ($target eq 'tex') {
1106: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
1107: } else {
1108: $message = "<b>".&mt('You are excused from the problem.')."</b>";
1109: }
1110: $css_class=$possible_class{'charged_try'};
1111: $button=0;
1112: $previousmsg='';
1113: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1114: if ($solved =~ /^incorrect/ || $solved eq '') {
1115: $message = &mt("Incorrect").".";
1116: $css_class=$possible_class{'charged_try'};
1117: $button=1;
1118: } else {
1119: if ($target eq 'tex') {
1120: $message = '\textbf{'.&mt('You are correct.').'}';
1121: } else {
1122: $message = "<b>".&mt('You are correct.')."</b>";
1123: if ($computer) {
1124: $message = "$computer $message";
1125: }
1126: }
1127: $added_computer_text=1;
1128: if ($awarded > 0
1129: && $env{'course.'.
1130: $env{'request.course.id'}.
1131: '.disable_receipt_display'} ne 'yes') {
1132: $message.=(($target eq 'web')?'<br />':' ').
1133: &mt('Your receipt is [_1]',
1134: (&Apache::lonnet::receipt($Apache::inputtags::part).
1135: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1136: }
1137: $css_class=$possible_class{'correct'};
1138: $button=0;
1139: $previousmsg='';
1140: }
1141: } elsif ($award eq 'NO_RESPONSE') {
1142: $message = '';
1143: $css_class=$possible_class{'no_feedback'};
1144: $button=1;
1145: } elsif ($award eq 'EXTRA_ANSWER') {
1146: $message = &mt('Some extra items were submitted.');
1147: $css_class=$possible_class{'not_charged_try'};
1148: $button = 1;
1149: } elsif ($award eq 'MISSING_ANSWER') {
1150: $message = &mt('Some items were not submitted.');
1151: if ($target ne 'tex') {
1152: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1153: }
1154: $css_class=$possible_class{'not_charged_try'};
1155: $button = 1;
1156: } elsif ($award eq 'WRONG_NUMBOXESCHECKED') {
1157: $message = &mt('Number of boxes checked outside permissible range (either too few or too many).');
1158: if ($target ne 'tex') {
1159: $message .= &Apache::loncommon::help_open_topic('Wrong_Num_Boxes_Checked');
1160: }
1161: $css_class=$possible_class{'not_charged_try'};
1162: $button = 1;
1163: } elsif ($award eq 'ERROR') {
1164: $message = &mt('An error occurred while grading your answer.');
1165: $css_class=$possible_class{'not_charged_try'};
1166: $button = 1;
1167: } elsif ($award eq 'TOO_LONG') {
1168: $message = &mt("The submitted answer was too long.");
1169: $css_class=$possible_class{'not_charged_try'};
1170: $button=1;
1171: } elsif ($award eq 'WANTED_NUMERIC') {
1172: $message = &mt("This question expects a numeric answer.");
1173: $css_class=$possible_class{'not_charged_try'};
1174: $button=1;
1175: } elsif ($award eq 'MISORDERED_RANK') {
1176: $message = &mt('You have provided an invalid ranking.');
1177: if ($target ne 'tex') {
1178: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1179: }
1180: $css_class=$possible_class{'not_charged_try'};
1181: $button=1;
1182: } elsif ($award eq 'EXCESS_FILESIZE') {
1183: $message = &mt("Submission won't be graded. The combined size of submitted files exceeded the amount allowed.");
1184: $css_class=$possible_class{'not_charged_try'};
1185: $button=1;
1186: } elsif ($award eq 'FILENAME_INUSE') {
1187: $message = &mt('You have already uploaded a file with that filename.');
1188: if ($target eq 'tex') {
1189: $message.= "\\\\\n";
1190: } else {
1191: $message .= '<br />';
1192: }
1193: $message .= &mt('Please use a different filename.');
1194: $css_class=$possible_class{'not_charged_try'};
1195: $button=1;
1196: } elsif ($award eq 'INVALID_FILETYPE') {
1197: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1198: $css_class=$possible_class{'not_charged_try'};
1199: $button=1;
1200: } elsif ($award eq 'SIG_FAIL') {
1201: my ($used,$min,$max)=split(':',$awardmsg);
1202: my $word = ($used < $min) ? 'more' : 'fewer';
1203: $message = &mt("Submission not graded. Use $word digits.",$used);
1204: $css_class=$possible_class{'not_charged_try'};
1205: $button=1;
1206: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1207: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1208: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1209: $css_class=$possible_class{'not_charged_try'};
1210: $button=1;
1211: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1212: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1213: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1214: $css_class=$possible_class{'not_charged_try'};
1215: $button=1;
1216: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1217: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1218: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1219: $css_class=$possible_class{'not_charged_try'};
1220: $button=1;
1221: } elsif ($award eq 'UNIT_NOTNEEDED') {
1222: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1223: $css_class=$possible_class{'not_charged_try'};
1224: $button=1;
1225: } elsif ($award eq 'NO_UNIT') {
1226: $message = &mt("Units required").'.';
1227: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1228: $css_class=$possible_class{'not_charged_try'};
1229: $button=1;
1230: } elsif ($award eq 'COMMA_FAIL') {
1231: $message = &mt("Proper comma separation is required").'.';
1232: $css_class=$possible_class{'not_charged_try'};
1233: $button=1;
1234: } elsif ($award eq 'BAD_FORMULA') {
1235: $message = &mt("Unable to understand formula").'.';
1236: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1237: $css_class=$possible_class{'not_charged_try'};
1238: $button=1;
1239: } elsif ($award eq 'NOT_FUNCTION') {
1240: $message = &mt("Not a function").'.';
1241: $css_class=$possible_class{'not_charged_try'};
1242: $button=1;
1243: } elsif ($award eq 'WRONG_FORMAT') {
1244: $message = &mt("Wrong format").'.';
1245: $css_class=$possible_class{'not_charged_try'};
1246: $button=1;
1247: } elsif ($award eq 'INTERNAL_ERROR') {
1248: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1249: $css_class=$possible_class{'not_charged_try'};
1250: $button=1;
1251: } elsif ($award eq 'INCORRECT') {
1252: $message = &mt("Incorrect").'.';
1253: $css_class=$possible_class{'charged_try'};
1254: $button=1;
1255: } elsif ($award eq 'SUBMITTED') {
1256: $message = &mt("Your submission has been recorded.");
1257: $css_class=$possible_class{'no_grade'};
1258: $button=1;
1259: } elsif ($award eq 'SUBMITTED_CREDIT') {
1260: $message = &mt("Your submission has been recorded, and credit awarded.");
1261: $css_class=$possible_class{'correct'};
1262: $button=1;
1263: } elsif ($award eq 'ANONYMOUS') {
1264: $message = &mt("Your anonymous submission has been recorded.");
1265: $css_class=$possible_class{'no_grade'};
1266: $button=1;
1267: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1268: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1269: $css_class=$possible_class{'correct'};
1270: $button=1;
1271: } elsif ($award eq 'DRAFT') {
1272: $message = &mt("Copy saved but not submitted.");
1273: $css_class=$possible_class{'not_charged_try'};
1274: $button=1;
1275: } elsif ($award eq 'ASSIGNED_SCORE') {
1276: $message = &mt("A score has been assigned.");
1277: $css_class=$possible_class{'correct'};
1278: $button=0;
1279: } elsif ($award eq '') {
1280: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1281: $message = &mt("Nothing submitted.");
1282: $css_class=$possible_class{'charged_try'};
1283: } else {
1284: $css_class=$possible_class{'not_charged_try'};
1285: }
1286: $button=1;
1287: } else {
1288: $message = &mt("Unknown message").": $award";
1289: $button=1;
1290: }
1291: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1292: foreach my $resid(@Apache::inputtags::response){
1293: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1294: if ($target eq 'tex') {
1295: $message.= "\\\\\n";
1296: } else {
1297: $message.='<br />';
1298: }
1299: my @files = split(/\s*,\s*/,
1300: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1301: my $file_msg;
1302: foreach my $file (@files) {
1303: if ($target eq 'tex') {
1304: $file_msg.= "\\\\\n".$file;
1305: } else {
1306: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1307: }
1308: }
1309: $message .= &mt('Returned file(s): [_1]',$file_msg);
1310: if ($target eq 'tex') {
1311: $message.= "\\\\\n";
1312: } else {
1313: $message.='<br />';
1314: }
1315: }
1316: }
1317:
1318: if (&Apache::lonhomework::hide_problem_status()
1319: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1320: && &hide_award($award)) {
1321: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1322: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1323: if ($interval[0] =~ /\d+/) {
1324: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1325: if (defined($first_access)) {
1326: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1327: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1328: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1329: }
1330: }
1331: }
1332: $css_class=$possible_class{'no_grade'};
1333: $button=1;
1334: }
1335: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1336: !$added_computer_text && $target ne 'tex') {
1337: if ($computer) {
1338: $message = "$computer $message";
1339: }
1340: $added_computer_text=1;
1341: }
1342: if ($Apache::lonhomework::type eq 'practice') {
1343: if ($target eq 'web') {
1344: $message .= '<br />';
1345: } else {
1346: $message .= ' ';
1347: }
1348: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1349: }
1350: return ($button,$css_class,$message,$previousmsg);
1351: }
1352:
1353: sub markup_unit {
1354: my ($unit,$target)=@_;
1355: if ($target eq 'tex') {
1356: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1357: } else {
1358: return "<tt>".$unit."</tt>";
1359: }
1360: }
1361:
1362: sub removealldata {
1363: my ($id)=@_;
1364: foreach my $key (keys(%Apache::lonhomework::results)) {
1365: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1366: &Apache::lonxml::debug("Removing $key");
1367: delete($Apache::lonhomework::results{$key});
1368: }
1369: }
1370: }
1371:
1372: sub hidealldata {
1373: my ($id)=@_;
1374: foreach my $key (keys(%Apache::lonhomework::results)) {
1375: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1376: &Apache::lonxml::debug("Hidding $key");
1377: my $newkey=$key;
1378: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1379: $Apache::lonhomework::results{$newkey}=
1380: $Apache::lonhomework::results{$key};
1381: delete($Apache::lonhomework::results{$key});
1382: }
1383: }
1384: }
1385:
1386: sub setgradedata {
1387: my ($award,$msg,$id,$previously_used) = @_;
1388: if ($Apache::lonhomework::scantronmode &&
1389: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1390: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1391: } elsif ($Apache::lonhomework::scantronmode &&
1392: $env{'form.CODE'} eq '' &&
1393: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1394: $Apache::lonhomework::results{"resource.CODE"}='';
1395: }
1396:
1397: if (!$Apache::lonhomework::scantronmode &&
1398: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1399: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1400: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1401: return '';
1402: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1403: || $Apache::lonhomework::scantronmode
1404: || &Apache::lonhomework::hide_problem_status() ) {
1405: # the student doesn't already have it correct,
1406: # or we are in a mode (scantron orno problem status) where a correct
1407: # can become incorrect
1408: # handle assignment of tries and solved status
1409: my $solvemsg;
1410: if ($Apache::lonhomework::scantronmode) {
1411: $solvemsg='correct_by_scantron';
1412: } else {
1413: $solvemsg='correct_by_student';
1414: }
1415: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1416: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1417: }
1418: if ( $award eq 'ASSIGNED_SCORE') {
1419: $Apache::lonhomework::results{"resource.$id.tries"} =
1420: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1421: $Apache::lonhomework::results{"resource.$id.solved"} =
1422: $solvemsg;
1423: my $numawards=scalar(@Apache::inputtags::response);
1424: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1425: foreach my $res (@Apache::inputtags::response) {
1426: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1427: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1428: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1429: } else {
1430: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1431: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1432: }
1433: }
1434: if ($numawards > 0) {
1435: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1436: $numawards;
1437: }
1438: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1439: $Apache::lonhomework::results{"resource.$id.tries"} =
1440: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1441: $Apache::lonhomework::results{"resource.$id.solved"} =
1442: $solvemsg;
1443: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1444: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1445: $Apache::lonhomework::results{"resource.$id.tries"} =
1446: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1447: $Apache::lonhomework::results{"resource.$id.solved"} =
1448: 'credit_attempted';
1449: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1450: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1451: $Apache::lonhomework::results{"resource.$id.tries"} =
1452: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1453: $Apache::lonhomework::results{"resource.$id.solved"} =
1454: 'credit_attempted';
1455: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1456: } elsif ( $award eq 'INCORRECT' ) {
1457: $Apache::lonhomework::results{"resource.$id.tries"} =
1458: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1459: if (&Apache::lonhomework::hide_problem_status()
1460: || $Apache::lonhomework::scantronmode) {
1461: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1462: }
1463: $Apache::lonhomework::results{"resource.$id.solved"} =
1464: 'incorrect_attempted';
1465: } elsif ( $award eq 'SUBMITTED' ) {
1466: $Apache::lonhomework::results{"resource.$id.tries"} =
1467: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1468: $Apache::lonhomework::results{"resource.$id.solved"} =
1469: 'ungraded_attempted';
1470: } elsif ( $award eq 'ANONYMOUS' ) {
1471: $Apache::lonhomework::results{"resource.$id.tries"} =
1472: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1473: $Apache::lonhomework::results{"resource.$id.solved"} =
1474: 'ungraded_attempted';
1475: } elsif ( $award eq 'DRAFT' ) {
1476: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1477: } elsif ( $award eq 'NO_RESPONSE' ) {
1478: #no real response so delete any data that got stored
1479: &removealldata($id);
1480: return '';
1481: } else {
1482: $Apache::lonhomework::results{"resource.$id.solved"} =
1483: 'incorrect_attempted';
1484: if (&Apache::lonhomework::show_no_problem_status()
1485: || $Apache::lonhomework::scantronmode) {
1486: $Apache::lonhomework::results{"resource.$id.tries"} =
1487: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1488: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1489: }
1490:
1491: if (&Apache::lonhomework::show_some_problem_status()) {
1492: # clear out the awarded if they had gotten it wrong/right
1493: # and are now in an error mode
1494: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1495: }
1496: }
1497: if (defined($msg)) {
1498: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1499: }
1500: # did either of the overall awards chage? If so ignore the
1501: # previous check
1502: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1503: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1504: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1505: $Apache::lonhomework::history{"resource.$id.solved"})) {
1506: # check if this was a previous submission if it was delete the
1507: # unneeded data and update the previously_used attribute
1508: if ( $previously_used eq 'PREVIOUSLY_USED') {
1509: if (&Apache::lonhomework::show_problem_status()) {
1510: delete($Apache::lonhomework::results{"resource.$id.tries"});
1511: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1512: }
1513: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1514: #delete all data as they student didn't do anything, but save
1515: #the list of collaborators.
1516: &removealldata($id);
1517: #and since they didn't do anything we were never here
1518: return '';
1519: } else {
1520: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1521: }
1522: }
1523: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1524: #delete all data as they student already has it correct
1525: &removealldata($id);
1526: #and since they didn't do anything we were never here
1527: return '';
1528: }
1529: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1530: if ($award eq 'SUBMITTED') {
1531: &Apache::response::add_to_gradingqueue();
1532: }
1533: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1534: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1535: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1536: $Apache::lonhomework::results{"resource.$id.version"} = &Apache::lonnet::usedversion();
1537: $Apache::lonhomework::results{"resource.$id.maxtries"} = &Apache::lonnet::EXT("resource.$id.maxtries");
1538: }
1539:
1540: sub find_which_previous {
1541: my ($version) = @_;
1542: my $part = $Apache::inputtags::part;
1543: my (@previous_version);
1544: foreach my $resp (@Apache::inputtags::response) {
1545: my $key = "$version:resource.$part.$resp.submission";
1546: my $submission = $Apache::lonhomework::history{$key};
1547: my %previous = &Apache::response::check_for_previous($submission,
1548: $part,$resp,
1549: $version);
1550: push(@previous_version,$previous{'version'});
1551: }
1552: return &previous_match(\@previous_version,
1553: scalar(@Apache::inputtags::response));
1554: }
1555:
1556: sub previous_match {
1557: my ($previous_array,$count) = @_;
1558: my $match = 0;
1559: my @matches;
1560: foreach my $versionar (@$previous_array) {
1561: foreach my $version (@$versionar) {
1562: $matches[$version]++;
1563: }
1564: }
1565: my $which=0;
1566: foreach my $elem (@matches) {
1567: if ($elem eq $count) {
1568: $match=1;
1569: last;
1570: }
1571: $which++;
1572: }
1573: return ($match,$which);
1574: }
1575:
1576: sub grade {
1577: my ($target) = @_;
1578: my $id = $Apache::inputtags::part;
1579: my $response='';
1580: if ( defined $env{'form.submitted'}) {
1581: my (@awards,@msgs);
1582: foreach $response (@Apache::inputtags::response) {
1583: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1584: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1585: &Apache::lonxml::debug("keeping $value from $response for $id");
1586: push (@awards,$value);
1587: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1588: &Apache::lonxml::debug("got message $value from $response for $id");
1589: push (@msgs,$value);
1590: }
1591: my ($finalaward,$msg) =
1592: &finalizeawards(\@awards,\@msgs,undef,undef,
1593: $Apache::lonhomework::scantronmode);
1594: my $previously_used;
1595: if ( $#Apache::inputtags::previous eq $#awards ) {
1596: my ($match) =
1597: &previous_match(\@Apache::inputtags::previous_version,
1598: scalar(@Apache::inputtags::response));
1599:
1600: if ($match) {
1601: $previously_used = 'PREVIOUSLY_LAST';
1602: foreach my $value (@Apache::inputtags::previous) {
1603: if ($value eq 'PREVIOUSLY_USED' ) {
1604: $previously_used = $value;
1605: last;
1606: }
1607: }
1608: }
1609: }
1610: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1611: &setgradedata($finalaward,$msg,$id,$previously_used);
1612: }
1613: return '';
1614: }
1615:
1616: sub get_grade_messages {
1617: my ($id,$prefix,$target,$status,$nocorrect,$tdclass) = @_;
1618: # nocorrect suppresses "Computer's answer now shown above"
1619: my ($message,$latemessage,$trystr,$previousmsg);
1620: my $showbutton = 1;
1621:
1622: my $award = $Apache::lonhomework::history{"$prefix.award"};
1623: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1624: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1625: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1626: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1627: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1628: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1629: &Apache::lonxml::debug('Getting message');
1630: ($showbutton,my $css_class,$message,$previousmsg) =
1631: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1632: $target,(($status eq 'CAN_ANSWER') || $nocorrect),$tdclass);
1633: if ($target eq 'tex') {
1634: $message='\vskip 2 mm '.$message.' ';
1635: } else {
1636: $message="<td class=\"$tdclass $css_class\">$message</td>";
1637: if ($previousmsg) {
1638: $previousmsg="<td class=\"$tdclass LC_answer_previous\">$previousmsg</td>";
1639: }
1640: }
1641: }
1642: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1643: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1644: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1645: #if tries are set to negative turn off the Tries/Button and messages
1646: if (defined($maxtries) && $maxtries < 0) { return ''; }
1647: if ( $tries eq '' ) { $tries = '0'; }
1648: if ( $maxtries eq '' ) { $maxtries = '2'; }
1649: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1650: my $tries_text= &get_tries_text();
1651: if ($showbutton) {
1652: if ($target eq 'tex') {
1653: if ($env{'request.state'} ne "construct"
1654: && $Apache::lonhomework::type ne 'exam'
1655: && $env{'form.suppress_tries'} ne 'yes') {
1656: $trystr ='{\vskip 1 mm \small '
1657: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1658: ,'\textit{','}',$tries.'/'.$maxtries )
1659: .'} \vskip 2 mm';
1660: } else {
1661: $trystr = '\vskip 0 mm ';
1662: }
1663: } else {
1664: my $trial =$tries;
1665: if ($Apache::lonhomework::parsing_a_task) {
1666: } elsif($env{'request.state'} ne 'construct') {
1667: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1668: } else {
1669: if (defined($Apache::inputtags::params{'maxtries'})) {
1670: $trial.="/".$Apache::inputtags::params{'maxtries'};
1671: }
1672: }
1673: $trystr = '<td class="'.$tdclass.'"><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1674: }
1675: }
1676:
1677: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1678: #last submissions was after due date
1679: $latemessage=&mt(' The last submission was after the Due Date ');;
1680: if ($target eq 'web') {
1681: $latemessage='<td class="'.$tdclass.' LC_answer_late">'.$latemessage.'</td>';
1682: }
1683: }
1684: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1685: }
1686:
1687: sub gradestatus {
1688: my ($id,$target,$no_previous) = @_;
1689: my $showbutton = 1;
1690: my $message = '';
1691: my $latemessage = '';
1692: my $trystr='';
1693: my $button='';
1694: my $previousmsg='';
1695: my $tdclass='';
1696:
1697: my $status = $Apache::inputtags::status['-1'];
1698: &Apache::lonxml::debug("gradestatus has :$status:");
1699: if ( $status ne 'CLOSED'
1700: && $status ne 'UNAVAILABLE'
1701: && $status ne 'INVALID_ACCESS'
1702: && $status ne 'NEEDS_CHECKIN'
1703: && $status ne 'NOT_IN_A_SLOT'
1704: && $status ne 'RESERVABLE'
1705: && $status ne 'RESERVABLE_LATER'
1706: && $status ne 'NOTRESERVABLE') {
1707:
1708: if ($status eq 'SHOW_ANSWER') {
1709: $showbutton = 0;
1710: }
1711:
1712: unless (($status eq 'SHOW_ANSWER') || ($status eq 'CANNOT_ANSWER')) {
1713: if ($target ne 'tex') {
1714: $tdclass = 'LC_status_submit_'.$id;
1715: }
1716: }
1717:
1718: ($previousmsg,$latemessage,$message,$trystr) =
1719: &get_grade_messages($id,"resource.$id",$target,$status,
1720: $showbutton,$tdclass);
1721: if ($status eq 'CANNOT_ANSWER') {
1722: $showbutton = 0;
1723: }
1724: if ( $status eq 'SHOW_ANSWER') {
1725: undef($previousmsg);
1726: }
1727: if ( $showbutton ) {
1728: if ($target ne 'tex') {
1729: $button =
1730: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1731: type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit"
1732: value="'.&mt('Submit Answer').'" /> '.
1733: '<div id="msg_submit_'.$id.'" style="display:none">'.
1734: &mt('Processing your submission ...').'</div>';
1735: }
1736: }
1737:
1738: }
1739: my $output= $previousmsg.$latemessage.$message.$trystr;
1740: if ($output =~ /^\s*$/) {
1741: return $button;
1742: } else {
1743: if ($target eq 'tex') {
1744: return $button.' \vskip 0 mm '.$output.' ';
1745: } else {
1746: $output =
1747: '<table><tr><td>'.$button.'</td>'.$output;
1748: if (!$no_previous) {
1749: $output.='<td class="'.$tdclass.'">'.&previous_tries($id,$target).'</td>';
1750: }
1751: $output.= '</tr></table>';
1752: return $output;
1753: }
1754: }
1755: }
1756:
1757: sub previous_tries {
1758: my ($id,$target) = @_;
1759: my $output;
1760: my $status = $Apache::inputtags::status['-1'];
1761:
1762: my $count;
1763: my %count_lookup;
1764: my ($lastrndseed,$lasttype);
1765: my $numstamps = 0;
1766:
1767: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1768: my $prefix = $i.":resource.$id";
1769: my $is_anon;
1770: my $curr_type = $Apache::lonhomework::history{"$prefix.type"};
1771: if (defined($env{'form.grade_symb'})) {
1772: if (($curr_type eq 'anonsurvey') || ($curr_type eq 'anonsurveycred')) {
1773: $is_anon = 1;
1774: }
1775: }
1776: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1777: $count++;
1778: $count_lookup{$i} = $count;
1779: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1780: my ($previousmsg,$latemessage,$message,$trystr);
1781:
1782: ($previousmsg,$latemessage,$message,$trystr) =
1783: &get_grade_messages($id,"$prefix",$target,$status);
1784:
1785: if ($previousmsg ne '') {
1786: my ($match,$which) = &find_which_previous($i);
1787: $message=$previousmsg;
1788: my $previous = $count_lookup{$which};
1789: $message =~ s{(</td>)}{ as submission \# $previous $1};
1790: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1791: if (!(&Apache::lonhomework::hide_problem_status()
1792: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1793: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1794: ) {
1795:
1796: my $txt_correct = &mt('Correct');
1797: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1798: if ($awarded < 1 && $awarded > 0) {
1799: $txt_correct=&mt('Partially Correct');
1800: } elsif ($awarded < 1) {
1801: if ($awarded eq '') {
1802: $txt_correct='';
1803: } else {
1804: $txt_correct=&mt('Incorrect');
1805: }
1806: }
1807: $message =~ s{(<td.*?>)(.*?)(</td>)}
1808: {$1 <strong>$txt_correct</strong>. $3}s;
1809: }
1810: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1811: if (($curr_rndseed ne '') && ($lastrndseed ne '')) {
1812: if (($curr_rndseed ne $lastrndseed) &&
1813: (($curr_type eq 'randomizetry') || ($lasttype eq 'randomizetry'))) {
1814: $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>';
1815: }
1816: }
1817: $message =~ s{(</td>)}{ $trystr $1};
1818: }
1819: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1820: $message =~ s{(<td.*?>)}{<td>};
1821:
1822:
1823: $output .= '<tr class="'.$class.'">'.
1824: '<td align="center">'.$count.'</td>'.$message;
1825: if ((!$is_anon) && ($Apache::lonhomework::history{"$prefix.tries"}) &&
1826: ($Apache::lonhomework::history{"$prefix.award"} ne 'ASSIGNED_SCORE') &&
1827: ($Apache::lonhomework::history{$i.':timestamp'})) {
1828: $output .= '<td>'.&Apache::lonlocal::locallocaltime(
1829: $Apache::lonhomework::history{$i.':timestamp'}).'</td>';
1830: $numstamps ++;
1831: } else {
1832: $output .= '<td></td>';
1833: }
1834: foreach my $resid (@Apache::inputtags::response) {
1835: my $prefix = $prefix.".$resid";
1836: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1837: my $submission =
1838: $Apache::inputtags::submission_display{"$prefix.submission"};
1839: if (!defined($submission)) {
1840: $submission =
1841: $Apache::lonhomework::history{"$prefix.submission"};
1842: }
1843: if ($is_anon) {
1844: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1845: } else {
1846: $output.='<td>'.$submission.'</td>';
1847: }
1848: } else {
1849: $output.='<td></td>';
1850: }
1851: }
1852: $output.=&Apache::loncommon::end_data_table_row()."\n";
1853: $lastrndseed = $curr_rndseed;
1854: $lasttype = $curr_type;
1855: }
1856: return if ($output eq '');
1857: my $headers = '<tr>'.
1858: '<th>'.&mt('Submission #').'</th>'.
1859: '<th>'.&mt('Try').'</th><th>';
1860: if ($numstamps) {
1861: $headers .= &mt('When');
1862: }
1863: $headers .= '</th>';
1864: my $colspan = scalar(@Apache::inputtags::response);
1865: if ($colspan > 1) {
1866: $headers .= '<th colspan="'.$colspan.'">';
1867: } else {
1868: $headers .= '<th>';
1869: }
1870: $headers .= &mt('Submitted Answer').'</th></tr>';
1871: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1872:
1873: my $tries_text = &get_tries_text('link');
1874: my $prefix = $env{'form.request.prefix'};
1875: $prefix =~ tr{.}{_};
1876: my $function_name = 'LONCAPA_previous_tries_'.$prefix;
1877: if (($env{'request.state'} eq 'construct') || ($id =~ /[._]|[^\w\s\-]/)) {
1878: $function_name .= $Apache::lonxml::curdepth;
1879: } else {
1880: $function_name .= &js_escape($id);
1881: }
1882: $function_name .= '_'.$Apache::lonxml::counter;
1883: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1884: return $result;
1885: }
1886:
1887: sub get_tries_text {
1888: my ($context) = @_;
1889: my $tries_text;
1890: if ($context eq 'link') {
1891: $tries_text = 'Previous Tries';
1892: } else {
1893: $tries_text = 'Tries';
1894: }
1895: if ( $Apache::lonhomework::type eq 'survey' ||
1896: $Apache::lonhomework::type eq 'surveycred' ||
1897: $Apache::lonhomework::type eq 'anonsurvey' ||
1898: $Apache::lonhomework::type eq 'anonsurveycred' ||
1899: $Apache::lonhomework::parsing_a_task) {
1900: if ($context eq 'link') {
1901: $tries_text = 'Previous Submissions';
1902: } else {
1903: $tries_text = 'Submissions';
1904: }
1905: }
1906: return $tries_text;
1907: }
1908:
1909: sub spelling_languages {
1910: my %langchoices;
1911: foreach my $id (&Apache::loncommon::languageids()) {
1912: my $code = &Apache::loncommon::supportedlanguagecode($id);
1913: if ($code ne '') {
1914: $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
1915: }
1916: }
1917: my @spelllangs = ('none');
1918: foreach my $code ('en','de','he','es','fr','pt','tr') {
1919: push(@spelllangs,[$code,$langchoices{$code}]);
1920: }
1921: return \@spelllangs;
1922: }
1923:
1924: sub edit_mathresponse_button {
1925: my ($field) = @_;
1926: my $eqneditor = 'lcmath';
1927: if ($env{'browser.type'} eq 'safari') {
1928: if ($env{'browser.os'} eq 'mac') {
1929: my ($prefix,$version) = ($env{'browser.version'} =~ /^(\d*)(\d{3})\./);
1930: if ($env{'browser.mobile'}) {
1931: if (($version < 531) || (($prefix eq '') && ($version < 533))) {
1932: $eqneditor = '';
1933: }
1934: } elsif ($version < 533) {
1935: $eqneditor = 'dragmath';
1936: }
1937: } elsif ($env{'browser.os'} eq 'win') {
1938: if ($env{'browser.version'} < 533) {
1939: $eqneditor = 'dragmath';
1940: }
1941: }
1942: } elsif ($env{'browser.type'} eq 'explorer') {
1943: if ($env{'browser.version'} < 9) {
1944: $eqneditor = 'dragmath';
1945: }
1946: } elsif ($env{'browser.type'} eq 'mozilla') {
1947: if ($env{'browser.version'} < 5) {
1948: $eqneditor = 'dragmath';
1949: } else {
1950: if ($env{'browser.info'} =~ /^firefox\-([\d\.]+)/) {
1951: my $firefox = $1;
1952: if ($firefox < 4) {
1953: $eqneditor = 'dragmath';
1954: }
1955: }
1956: }
1957: } elsif ($env{'browser.type'} eq 'chrome') {
1958: if ($env{'browser.version'} < 5) {
1959: $eqneditor = 'dragmath';
1960: }
1961: } elsif ($env{'browser.type'} eq 'opera') {
1962: if ($env{'browser.version'} < 12) {
1963: $eqneditor = 'dragmath';
1964: }
1965: }
1966: if ($eqneditor eq 'lcmath') {
1967: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
1968: if (exists($env{'course.'.$env{'request.course.id'}.'.uselcmath'})) {
1969: if ($env{'course.'.$env{'request.course.id'}.'.uselcmath'} eq '0') {
1970: $eqneditor = 'dragmath';
1971: }
1972: } else {
1973: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
1974: if ($domdefs{'uselcmath'} eq '0') {
1975: $eqneditor = 'dragmath';
1976: }
1977: }
1978: } else {
1979: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
1980: if ($domdefs{'uselcmath'} eq '0') {
1981: $eqneditor = 'dragmath';
1982: }
1983: }
1984: }
1985: if ($eqneditor eq 'dragmath') {
1986: # DragMath applet
1987: my $button=&mt('Edit Answer');
1988: # my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
1989: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
1990: return(<<ENDFORMULABUTTON);
1991: <script type="text/javascript" language="JavaScript">
1992: function LC_mathedit_${field} (LCtextline) {
1993: thenumber = LCtextline;
1994: var thedata = '';
1995: if (document.getElementById(LCtextline)) {
1996: thedata = document.getElementById(LCtextline).value;
1997: }
1998: newwin = window.open("/adm/dragmath/MaximaPopup.html","","width=565,height=400,resizable");
1999: }
2000: </script>
2001: <a href="javascript:LC_mathedit_${field}('${field}');void(0);"><img class="stift" src="$iconpath/stift.gif" alt="$button" title="$button" /></a>
2002: ENDFORMULABUTTON
2003: } elsif ($eqneditor eq 'lcmath') {
2004: # LON-CAPA math equation editor
2005: my $mathjaxjs;
2006: unless (lc(&Apache::lontexconvert::tex_engine()) eq 'mathjax') {
2007: $mathjaxjs = <<"MATHJAX_SCRIPT";
2008: var mathjaxscript = document.createElement("script");
2009: mathjaxscript.type = "text/javascript";
2010: mathjaxscript.src = "/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML";
2011: document.body.appendChild(mathjaxscript);
2012: MATHJAX_SCRIPT
2013: }
2014: return(<<EQ_EDITOR_SCRIPT);
2015: <script type="text/javascript">
2016: var LCmathField = document.getElementById('${field}');
2017: LCmathField.className += ' math'; // note the space
2018: LCmathField.setAttribute('data-implicit_operators', 'true');
2019: var LCMATH_started;
2020: if (typeof LCMATH_started === 'undefined') {
2021: $mathjaxjs
2022: LCMATH_started = true;
2023: var script = document.createElement("script");
2024: script.type = "text/javascript";
2025: script.src = "/adm/LC_math_editor/LC_math_editor.min.js";
2026: document.body.appendChild(script);
2027: window.addEventListener('load', function(e) {
2028: LCMATH.initEditors();
2029: }, false);
2030: }
2031: </script>
2032: EQ_EDITOR_SCRIPT
2033: }
2034: }
2035:
2036: 1;
2037: __END__
2038:
2039: =pod
2040:
2041: =back
2042:
2043: =cut
2044:
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