1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.333.2.3 2015/10/30 11:33:07 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: $result.=&mt('Submit a file: (only one file per submission)').
671: ' <br /><input type="file" size="50" name="HWFILE'.
672: $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
673: }
674: if ( $which eq 'both') {
675: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
676: }
677: if ($which eq 'portfolioonly' || $which eq 'both') {
678: my $symb = $env{'request.symb'};
679: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
680: my $showsymb;
681: # If resource is a .task and URL is unencrypted, include symb in query string
682: # for url opened in portfolio file selection window. Can be used to override
683: # blocking of portfolio access resulting from an exam event in a different course.
684: if ($res =~ /\.task$/i) {
685: my $encsymb = &Apache::lonenc::check_encrypt($symb);
686: if ($symb eq $encsymb) {
687: $showsymb = $symb;
688: }
689: }
690: $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"))'."'".'>'.
691: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
692: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
693: '<br />';
694:
695: }
696: $result.=&Apache::lonhtmlcommon::row_closure(1);
697: return $result;
698: }
699:
700: sub current_file_submissions {
701: my ($part,$id) = @_;
702: my $jspart=$part;
703: $jspart=~s/\./_/g;
704: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
705: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
706: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
707: my $header = &portpath_popup_js().
708: &Apache::loncommon::start_data_table().
709: &Apache::loncommon::start_data_table_header_row();
710: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
711: $header .= '<th>'.&mt('Delete?').'</th>';
712: }
713: $header .= '<th>'.&mt('File').'</th>'.
714: '<th>'.&mt('Size (MB)').'</th>'.
715: '<th>'.&mt('Last Modified').'</th>'.
716: &Apache::loncommon::end_data_table_header_row();
717: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
718: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
719: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
720: if ($uploadedfile) {
721: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
722: my $link = &HTML::Entities::encode($url,'<>&"');
723: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
724: my ($status,$hashref,$error) =
725: ¤t_file_info($url,$link,$name,$path);
726: if ($status eq 'ok') {
727: push(@{$okfiles{$name}},$url);
728: $rows{$url} = $hashref;
729: $legacy{$url} = 1;
730: &Apache::lonxml::extlink($url);
731: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
732: } else {
733: push(@bad_file_list,$error);
734: }
735: }
736: if ($portfiles =~ /[^\s]/) {
737: my $prefix = "/uploaded/$udom/$uname/portfolio";
738: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
739: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
740: my $url = $prefix.$path.$name;
741: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
742: my ($status,$hashref,$error) =
743: ¤t_file_info($url,$uploadedfile,$name,$path);
744: if ($status eq 'ok') {
745: push(@{$okfiles{$name}},$url);
746: $rows{$url} = $hashref;
747: } else {
748: push(@bad_file_list,$error);
749: }
750: }
751: }
752: my $num = 0;
753: foreach my $name (sort(keys(%okfiles))) {
754: if (ref($okfiles{$name}) eq 'ARRAY') {
755: foreach my $url (@{$okfiles{$name}}) {
756: if (ref($rows{$url}) eq 'HASH') {
757: my $link = $rows{$url}{link};
758: my $portfile = $rows{$url}{path}.$rows{$url}{name};
759: $portfile = &HTML::Entities::encode($portfile,'<>&"');
760: if ($link) {
761: my $icon=&Apache::loncommon::icon($url);
762: unless ($header_shown) {
763: $result .= $header;
764: $header_shown = 1;
765: }
766: $result.=
767: &Apache::loncommon::start_data_table_row()."\n";
768: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
769: $result .=
770: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
771: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
772: $num ++;
773: }
774: my $pathid = 'HWFILE'.$jspart.'_'.$id.'_'.$num.'_path';
775: my $pathidtext = $pathid.'text';
776: my ($showname,$showpath);
777: if ($legacy{$url}) {
778: $showname = $name.' '.&mt('not in portfolio');
779: } else {
780: $showname = $name;
781: $showpath = '<br />'.
782: '<span id="'.$pathidtext.'" class="LC_cusr_subheading">'.
783: '<a href="javascript:showPortPath('."'$pathid','$pathidtext'".');" '.
784: 'class="LC_menubuttons_link">'.
785: &mt('(Show path)').'</a></span>'.
786: '<div id="'.$pathid.'" class="LC_dccid">'.$rows{$url}{path}.$name.
787: '</div>';
788: }
789: $result .=
790: '<td><a href="'.$link.'"><img src="'.$icon.
791: '" border="0" alt="" />'.$showname.'</a>'.$showpath.'</td>'."\n".
792: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
793: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
794: &Apache::loncommon::end_data_table_row();
795: }
796: }
797: }
798: }
799: }
800: if ($header_shown) {
801: $result .= &Apache::loncommon::end_data_table();
802: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
803: $result .= '<br /><span class="LC_warning">'.
804: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
805: }
806: }
807: if (@bad_file_list) {
808: my $bad_files = '<span class="LC_filename">'.
809: join('</span>, <span class="LC_filename">',@bad_file_list).
810: '</span>';
811: $result.='<p class="LC_error">'.
812: &mt("These file(s) don't exist: [_1]",$bad_files).
813: '</p>';
814: }
815: return $result;
816: }
817:
818: sub current_file_info {
819: my ($url,$uploadedfile,$name,$path) = @_;
820: my ($status,$error,%info);
821: my @stat = &Apache::lonnet::stat_file($url);
822: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
823: my ($lastmod,$size);
824: if ($stat[9] =~ /^\d+$/) {
825: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
826: }
827: $size = $stat[7]/(1024*1024);
828: $size = sprintf("%.3f",$size);
829: %info = (
830: link => $uploadedfile,
831: name => $name,
832: path => $path,
833: size => $size,
834: lastmodified => $lastmod,
835: );
836: $status = 'ok';
837: } else {
838: &Apache::lonnet::logthis("bad file is $url");
839: my $icon=&Apache::loncommon::icon($url);
840: $error = '<a href="'.$url.'"><img src="'.$icon.
841: '" border="0" />'.$uploadedfile.'</a>';
842: }
843: return ($status,\%info,$error);
844: }
845:
846: sub portpath_popup_js {
847: my %lt = &Apache::lonlocal::texthash(
848: show => '(Show path)',
849: hide => '(Hide)',
850: );
851: return <<"END";
852: <script type="text/javascript">
853: // <![CDATA[
854:
855: function showPortPath(id,idtext) {
856: document.getElementById(id).style.display='block';
857: document.getElementById(id).style.textAlign='left';
858: document.getElementById(id).style.textFace='normal';
859: if (document.getElementById(idtext)) {
860: document.getElementById(idtext).innerHTML ='<a href="javascript:hidePortPath(\\''+id+'\\',\\''+idtext+'\\'); '+
861: '"class="LC_menubuttons_link">$lt{'hide'}</a> ';
862: }
863: return;
864: }
865:
866: function hidePortPath(id,idtext) {
867: if (document.getElementById(id)) {
868: document.getElementById(id).style.display='none';
869: }
870: if (document.getElementById(idtext)) {
871: document.getElementById(idtext).innerHTML ='<a href="javascript:showPortPath(\\''+id+'\\',\\''+idtext+'\\');" '+
872: 'class="LC_menubuttons_link">$lt{'show'}</a>';
873: }
874: return;
875: }
876:
877: // ]]>
878: </script>
879:
880: END
881: }
882:
883: sub valid_award {
884: my ($award) =@_;
885: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
886: 'NO_RESPONSE','WRONG_NUMBOXESCHECKED',
887: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
888: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
889: 'UNIT_FAIL', 'NO_UNIT',
890: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
891: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
892: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
893: 'MISORDERED_RANK', 'INVALID_FILETYPE',
894: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
895: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
896: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
897: 'ASSIGNED_SCORE', 'APPROX_ANS',
898: 'EXACT_ANS','COMMA_FAIL') {
899: if ($award eq $possibleaward) { return 1; }
900: }
901: return 0;
902: }
903:
904: {
905: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
906: 'WRONG_NUMBOXESCHECKED','TOO_LONG',
907: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
908: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
909: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
910: 'WRONG_FORMAT', 'INTERNAL_ERROR',
911: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
912: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
913: 'DRAFT', 'SUBMITTED',
914: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
915: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
916: my $i=0;
917: my %fwd_awards = map { ($_,$i++) } @awards;
918: my $max=scalar(@awards);
919: @awards=reverse(@awards);
920: $i=0;
921: my %rev_awards = map { ($_,$i++) } @awards;
922:
923: sub awarddetail_to_awarded {
924: my ($awarddetail) = @_;
925: if ($awarddetail eq 'EXACT_ANS'
926: || $awarddetail eq 'APPROX_ANS') {
927: return 1;
928: }
929: return 0;
930: }
931:
932: sub hide_award {
933: my ($award) = @_;
934: if (&Apache::lonhomework::show_no_problem_status()) {
935: return 1;
936: }
937: if ($award =~
938: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
939: return 1;
940: }
941: return 0;
942: }
943:
944: sub finalizeawards {
945: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
946: my $result;
947: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
948: if ($result eq '' ) {
949: my $blankcount;
950: foreach my $award (@$awardref) {
951: if ($award eq '') {
952: $result='MISSING_ANSWER';
953: $blankcount++;
954: }
955: }
956: if ($blankcount == ($#$awardref + 1)) {
957: return ('NO_RESPONSE');
958: }
959: }
960:
961: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
962:
963: if (!$final_scantron && defined($result)) { return ($result); }
964:
965: # if in scantron mode, if the award for any response is
966: # assigned score, then the part gets an assigned score
967: if ($final_scantron
968: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
969: return ('ASSIGNED_SCORE');
970: }
971:
972: # if in scantron mode, if the award for any response is
973: # correct and there are non-correct responses,
974: # then the part gets an assigned score
975: if ($final_scantron
976: && (grep { $_ eq 'EXACT_ANS' ||
977: $_ eq 'APPROX_ANS' } (@$awardref))
978: && (grep { $_ ne 'EXACT_ANS' &&
979: $_ ne 'APPROX_ANS' } (@$awardref))) {
980: return ('ASSIGNED_SCORE');
981: }
982: # these awards are ordered from most important error through best correct
983: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
984:
985: my $best = $max;
986: my $j=0;
987: my $which;
988: foreach my $award (@$awardref) {
989: if ($awards->{$award} < $best) {
990: $best = $awards->{$award};
991: $which = $j;
992: }
993: $j++;
994: }
995:
996: # if at least one response item is set to include lenient grading
997: # and that item is partially correct then overall award reflects
998: # that, unless an award for one of the other response items does
999: # not fall within the basic awards for correct or incorrect.
1000: if ($Apache::inputtags::leniency) {
1001: if (($$awardref[$which] eq 'INCORRECT')
1002: && (grep { $_ eq 'EXACT_ANS' ||
1003: $_ eq 'APPROX_ANS' ||
1004: $_ eq 'ASSIGNED_SCORE' } (@$awardref))
1005: && !((grep { $_ ne 'INCORRECT' &&
1006: $_ ne 'EXACT_ANS' &&
1007: $_ ne 'APPROX_ANS' &&
1008: $_ ne 'ASSIGNED_SCORE' } (@$awardref)))) {
1009: return ('ASSIGNED_SCORE');
1010: }
1011: }
1012:
1013: if (defined($which)) {
1014: if (ref($nameref)) {
1015: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
1016: } else {
1017: return ($$awardref[$which],$$msgref[$which]);
1018: }
1019: }
1020: return ('ERROR',undef);
1021: }
1022: }
1023:
1024: sub decideoutput {
1025: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect,$tdclass)=@_;
1026:
1027: my $message='';
1028: my $button=0;
1029: my $previousmsg;
1030: my $css_class='orange';
1031: my $added_computer_text=0;
1032: my %possible_class =
1033: ( 'correct' => 'LC_answer_correct',
1034: 'charged_try' => 'LC_answer_charged_try',
1035: 'not_charged_try' => 'LC_answer_not_charged_try',
1036: 'no_grade' => 'LC_answer_no_grade',
1037: 'no_message' => 'LC_no_message',
1038: );
1039:
1040: my $part = $Apache::inputtags::part;
1041: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
1042: my $handgrade = ('yes' eq lc($tohandgrade));
1043: #
1044: # Should "Computer's Answer" be displayed?
1045: # Should not be displayed if still answerable,
1046: # if the problem is handgraded,
1047: # or if the problem does not give a correct answer
1048: #
1049:
1050: my $computer = ($handgrade || $nocorrect)? ''
1051: : " ".&mt("Computer's answer now shown above.");
1052: &Apache::lonxml::debug("handgrade has :$handgrade:");
1053:
1054: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
1055:
1056: if ($solved =~ /^correct/) {
1057: $css_class=$possible_class{'correct'};
1058: $message=&mt('You are correct.');
1059: if ($awarded < 1 && $awarded > 0) {
1060: $message=&mt('You are partially correct.');
1061: $css_class=$possible_class{'not_charged_try'};
1062: } elsif ($awarded < 1) {
1063: $message=&mt('Incorrect.');
1064: $css_class=$possible_class{'charged_try'};
1065: }
1066: if ($handgrade ||
1067: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
1068: $message = &mt("A score has been assigned.");
1069: $added_computer_text=1;
1070: } else {
1071: if ($target eq 'tex') {
1072: $message = '\textbf{'.$message.'}';
1073: } else {
1074: $message = "<b>".$message."</b>";
1075: $message.= $computer;
1076: }
1077: $added_computer_text=1;
1078: if ($awarded > 0) {
1079: my ($symb) = &Apache::lonnet::whichuser();
1080: if (($symb ne '')
1081: &&
1082: ($env{'course.'.$env{'request.course.id'}.
1083: '.disable_receipt_display'} ne 'yes') &&
1084: ($Apache::lonhomework::type ne 'practice')) {
1085: $message.=(($target eq 'web')?'<br />':' ').
1086: &mt('Your receipt no. is [_1]',
1087: (&Apache::lonnet::receipt($Apache::inputtags::part).
1088: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1089: }
1090: }
1091: }
1092: if ($awarded >= 1) {
1093: $button=0;
1094: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
1095: $button=0;
1096: } else {
1097: $button=1;
1098: }
1099: $previousmsg='';
1100: } elsif ($solved =~ /^excused/) {
1101: if ($target eq 'tex') {
1102: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
1103: } else {
1104: $message = "<b>".&mt('You are excused from the problem.')."</b>";
1105: }
1106: $css_class=$possible_class{'charged_try'};
1107: $button=0;
1108: $previousmsg='';
1109: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
1110: if ($solved =~ /^incorrect/ || $solved eq '') {
1111: $message = &mt("Incorrect").".";
1112: $css_class=$possible_class{'charged_try'};
1113: $button=1;
1114: } else {
1115: if ($target eq 'tex') {
1116: $message = '\textbf{'.&mt('You are correct.').'}';
1117: } else {
1118: $message = "<b>".&mt('You are correct.')."</b>";
1119: $message.= $computer;
1120: }
1121: $added_computer_text=1;
1122: if ($awarded > 0
1123: && $env{'course.'.
1124: $env{'request.course.id'}.
1125: '.disable_receipt_display'} ne 'yes') {
1126: $message.=(($target eq 'web')?'<br />':' ').
1127: &mt('Your receipt is [_1]',
1128: (&Apache::lonnet::receipt($Apache::inputtags::part).
1129: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
1130: }
1131: $css_class=$possible_class{'correct'};
1132: $button=0;
1133: $previousmsg='';
1134: }
1135: } elsif ($award eq 'NO_RESPONSE') {
1136: $message = '';
1137: $css_class=$possible_class{'no_feedback'};
1138: $button=1;
1139: } elsif ($award eq 'EXTRA_ANSWER') {
1140: $message = &mt('Some extra items were submitted.');
1141: $css_class=$possible_class{'not_charged_try'};
1142: $button = 1;
1143: } elsif ($award eq 'MISSING_ANSWER') {
1144: $message = &mt('Some items were not submitted.');
1145: if ($target ne 'tex') {
1146: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
1147: }
1148: $css_class=$possible_class{'not_charged_try'};
1149: $button = 1;
1150: } elsif ($award eq 'WRONG_NUMBOXESCHECKED') {
1151: $message = &mt('Number of boxes checked outside permissible range (either too few or too many).');
1152: if ($target ne 'tex') {
1153: $message .= &Apache::loncommon::help_open_topic('Wrong_Num_Boxes_Checked');
1154: }
1155: $css_class=$possible_class{'not_charged_try'};
1156: $button = 1;
1157: } elsif ($award eq 'ERROR') {
1158: $message = &mt('An error occurred while grading your answer.');
1159: $css_class=$possible_class{'not_charged_try'};
1160: $button = 1;
1161: } elsif ($award eq 'TOO_LONG') {
1162: $message = &mt("The submitted answer was too long.");
1163: $css_class=$possible_class{'not_charged_try'};
1164: $button=1;
1165: } elsif ($award eq 'WANTED_NUMERIC') {
1166: $message = &mt("This question expects a numeric answer.");
1167: $css_class=$possible_class{'not_charged_try'};
1168: $button=1;
1169: } elsif ($award eq 'MISORDERED_RANK') {
1170: $message = &mt('You have provided an invalid ranking.');
1171: if ($target ne 'tex') {
1172: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1173: }
1174: $css_class=$possible_class{'not_charged_try'};
1175: $button=1;
1176: } elsif ($award eq 'EXCESS_FILESIZE') {
1177: $message = &mt("Submission won't be graded. The combined size of submitted files exceeded the amount allowed.");
1178: $css_class=$possible_class{'not_charged_try'};
1179: $button=1;
1180: } elsif ($award eq 'FILENAME_INUSE') {
1181: $message = &mt('You have already uploaded a file with that filename.');
1182: if ($target eq 'tex') {
1183: $message.= "\\\\\n";
1184: } else {
1185: $message .= '<br />';
1186: }
1187: $message .= &mt('Please use a different filename.');
1188: $css_class=$possible_class{'not_charged_try'};
1189: $button=1;
1190: } elsif ($award eq 'INVALID_FILETYPE') {
1191: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1192: $css_class=$possible_class{'not_charged_try'};
1193: $button=1;
1194: } elsif ($award eq 'SIG_FAIL') {
1195: my ($used,$min,$max)=split(':',$awardmsg);
1196: my $word = ($used < $min) ? 'more' : 'fewer';
1197: $message = &mt("Submission not graded. Use $word digits.",$used);
1198: $css_class=$possible_class{'not_charged_try'};
1199: $button=1;
1200: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1201: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1202: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1203: $css_class=$possible_class{'not_charged_try'};
1204: $button=1;
1205: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1206: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1207: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1208: $css_class=$possible_class{'not_charged_try'};
1209: $button=1;
1210: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1211: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1212: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1213: $css_class=$possible_class{'not_charged_try'};
1214: $button=1;
1215: } elsif ($award eq 'UNIT_NOTNEEDED') {
1216: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1217: $css_class=$possible_class{'not_charged_try'};
1218: $button=1;
1219: } elsif ($award eq 'NO_UNIT') {
1220: $message = &mt("Units required").'.';
1221: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1222: $css_class=$possible_class{'not_charged_try'};
1223: $button=1;
1224: } elsif ($award eq 'COMMA_FAIL') {
1225: $message = &mt("Proper comma separation is required").'.';
1226: $css_class=$possible_class{'not_charged_try'};
1227: $button=1;
1228: } elsif ($award eq 'BAD_FORMULA') {
1229: $message = &mt("Unable to understand formula").'.';
1230: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1231: $css_class=$possible_class{'not_charged_try'};
1232: $button=1;
1233: } elsif ($award eq 'NOT_FUNCTION') {
1234: $message = &mt("Not a function").'.';
1235: $css_class=$possible_class{'not_charged_try'};
1236: $button=1;
1237: } elsif ($award eq 'WRONG_FORMAT') {
1238: $message = &mt("Wrong format").'.';
1239: $css_class=$possible_class{'not_charged_try'};
1240: $button=1;
1241: } elsif ($award eq 'INTERNAL_ERROR') {
1242: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1243: $css_class=$possible_class{'not_charged_try'};
1244: $button=1;
1245: } elsif ($award eq 'INCORRECT') {
1246: $message = &mt("Incorrect").'.';
1247: $css_class=$possible_class{'charged_try'};
1248: $button=1;
1249: } elsif ($award eq 'SUBMITTED') {
1250: $message = &mt("Your submission has been recorded.");
1251: $css_class=$possible_class{'no_grade'};
1252: $button=1;
1253: } elsif ($award eq 'SUBMITTED_CREDIT') {
1254: $message = &mt("Your submission has been recorded, and credit awarded.");
1255: $css_class=$possible_class{'correct'};
1256: $button=1;
1257: } elsif ($award eq 'ANONYMOUS') {
1258: $message = &mt("Your anonymous submission has been recorded.");
1259: $css_class=$possible_class{'no_grade'};
1260: $button=1;
1261: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1262: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1263: $css_class=$possible_class{'correct'};
1264: $button=1;
1265: } elsif ($award eq 'DRAFT') {
1266: $message = &mt("Copy saved but not submitted.");
1267: $css_class=$possible_class{'not_charged_try'};
1268: $button=1;
1269: } elsif ($award eq 'ASSIGNED_SCORE') {
1270: $message = &mt("A score has been assigned.");
1271: $css_class=$possible_class{'correct'};
1272: $button=0;
1273: } elsif ($award eq '') {
1274: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1275: $message = &mt("Nothing submitted.");
1276: $css_class=$possible_class{'charged_try'};
1277: } else {
1278: $css_class=$possible_class{'not_charged_try'};
1279: }
1280: $button=1;
1281: } else {
1282: $message = &mt("Unknown message").": $award";
1283: $button=1;
1284: }
1285: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1286: foreach my $resid(@Apache::inputtags::response){
1287: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1288: if ($target eq 'tex') {
1289: $message.= "\\\\\n";
1290: } else {
1291: $message.='<br />';
1292: }
1293: my @files = split(/\s*,\s*/,
1294: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1295: my $file_msg;
1296: foreach my $file (@files) {
1297: if ($target eq 'tex') {
1298: $file_msg.= "\\\\\n".$file;
1299: } else {
1300: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1301: }
1302: }
1303: $message .= &mt('Returned file(s): [_1]',$file_msg);
1304: if ($target eq 'tex') {
1305: $message.= "\\\\\n";
1306: } else {
1307: $message.='<br />';
1308: }
1309: }
1310: }
1311:
1312: if (&Apache::lonhomework::hide_problem_status()
1313: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1314: && &hide_award($award)) {
1315: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1316: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1317: if ($interval[0] =~ /\d+/) {
1318: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1319: if (defined($first_access)) {
1320: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1321: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1322: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1323: }
1324: }
1325: }
1326: $css_class=$possible_class{'no_grade'};
1327: $button=1;
1328: }
1329: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1330: !$added_computer_text && $target ne 'tex') {
1331: $message.= $computer;
1332: $added_computer_text=1;
1333: }
1334: if ($Apache::lonhomework::type eq 'practice') {
1335: if ($target eq 'web') {
1336: $message .= '<br />';
1337: } else {
1338: $message .= ' ';
1339: }
1340: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1341: }
1342: return ($button,$css_class,$message,$previousmsg);
1343: }
1344:
1345: sub markup_unit {
1346: my ($unit,$target)=@_;
1347: if ($target eq 'tex') {
1348: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1349: } else {
1350: return "<tt>".$unit."</tt>";
1351: }
1352: }
1353:
1354: sub removealldata {
1355: my ($id)=@_;
1356: foreach my $key (keys(%Apache::lonhomework::results)) {
1357: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1358: &Apache::lonxml::debug("Removing $key");
1359: delete($Apache::lonhomework::results{$key});
1360: }
1361: }
1362: }
1363:
1364: sub hidealldata {
1365: my ($id)=@_;
1366: foreach my $key (keys(%Apache::lonhomework::results)) {
1367: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1368: &Apache::lonxml::debug("Hidding $key");
1369: my $newkey=$key;
1370: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1371: $Apache::lonhomework::results{$newkey}=
1372: $Apache::lonhomework::results{$key};
1373: delete($Apache::lonhomework::results{$key});
1374: }
1375: }
1376: }
1377:
1378: sub setgradedata {
1379: my ($award,$msg,$id,$previously_used) = @_;
1380: if ($Apache::lonhomework::scantronmode &&
1381: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1382: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1383: } elsif ($Apache::lonhomework::scantronmode &&
1384: $env{'form.CODE'} eq '' &&
1385: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1386: $Apache::lonhomework::results{"resource.CODE"}='';
1387: }
1388:
1389: if (!$Apache::lonhomework::scantronmode &&
1390: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1391: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1392: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1393: return '';
1394: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1395: || $Apache::lonhomework::scantronmode
1396: || &Apache::lonhomework::hide_problem_status() ) {
1397: # the student doesn't already have it correct,
1398: # or we are in a mode (scantron orno problem status) where a correct
1399: # can become incorrect
1400: # handle assignment of tries and solved status
1401: my $solvemsg;
1402: if ($Apache::lonhomework::scantronmode) {
1403: $solvemsg='correct_by_scantron';
1404: } else {
1405: $solvemsg='correct_by_student';
1406: }
1407: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1408: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1409: }
1410: if ( $award eq 'ASSIGNED_SCORE') {
1411: $Apache::lonhomework::results{"resource.$id.tries"} =
1412: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1413: $Apache::lonhomework::results{"resource.$id.solved"} =
1414: $solvemsg;
1415: my $numawards=scalar(@Apache::inputtags::response);
1416: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1417: foreach my $res (@Apache::inputtags::response) {
1418: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1419: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1420: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1421: } else {
1422: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1423: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1424: }
1425: }
1426: if ($numawards > 0) {
1427: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1428: $numawards;
1429: }
1430: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1431: $Apache::lonhomework::results{"resource.$id.tries"} =
1432: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1433: $Apache::lonhomework::results{"resource.$id.solved"} =
1434: $solvemsg;
1435: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1436: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1437: $Apache::lonhomework::results{"resource.$id.tries"} =
1438: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1439: $Apache::lonhomework::results{"resource.$id.solved"} =
1440: 'credit_attempted';
1441: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1442: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1443: $Apache::lonhomework::results{"resource.$id.tries"} =
1444: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1445: $Apache::lonhomework::results{"resource.$id.solved"} =
1446: 'credit_attempted';
1447: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1448: } elsif ( $award eq 'INCORRECT' ) {
1449: $Apache::lonhomework::results{"resource.$id.tries"} =
1450: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1451: if (&Apache::lonhomework::hide_problem_status()
1452: || $Apache::lonhomework::scantronmode) {
1453: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1454: }
1455: $Apache::lonhomework::results{"resource.$id.solved"} =
1456: 'incorrect_attempted';
1457: } elsif ( $award eq 'SUBMITTED' ) {
1458: $Apache::lonhomework::results{"resource.$id.tries"} =
1459: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1460: $Apache::lonhomework::results{"resource.$id.solved"} =
1461: 'ungraded_attempted';
1462: } elsif ( $award eq 'ANONYMOUS' ) {
1463: $Apache::lonhomework::results{"resource.$id.tries"} =
1464: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1465: $Apache::lonhomework::results{"resource.$id.solved"} =
1466: 'ungraded_attempted';
1467: } elsif ( $award eq 'DRAFT' ) {
1468: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1469: } elsif ( $award eq 'NO_RESPONSE' ) {
1470: #no real response so delete any data that got stored
1471: &removealldata($id);
1472: return '';
1473: } else {
1474: $Apache::lonhomework::results{"resource.$id.solved"} =
1475: 'incorrect_attempted';
1476: if (&Apache::lonhomework::show_no_problem_status()
1477: || $Apache::lonhomework::scantronmode) {
1478: $Apache::lonhomework::results{"resource.$id.tries"} =
1479: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1480: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1481: }
1482:
1483: if (&Apache::lonhomework::show_some_problem_status()) {
1484: # clear out the awarded if they had gotten it wrong/right
1485: # and are now in an error mode
1486: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1487: }
1488: }
1489: if (defined($msg)) {
1490: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1491: }
1492: # did either of the overall awards chage? If so ignore the
1493: # previous check
1494: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1495: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1496: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1497: $Apache::lonhomework::history{"resource.$id.solved"})) {
1498: # check if this was a previous submission if it was delete the
1499: # unneeded data and update the previously_used attribute
1500: if ( $previously_used eq 'PREVIOUSLY_USED') {
1501: if (&Apache::lonhomework::show_problem_status()) {
1502: delete($Apache::lonhomework::results{"resource.$id.tries"});
1503: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1504: }
1505: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1506: #delete all data as they student didn't do anything, but save
1507: #the list of collaborators.
1508: &removealldata($id);
1509: #and since they didn't do anything we were never here
1510: return '';
1511: } else {
1512: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1513: }
1514: }
1515: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1516: #delete all data as they student already has it correct
1517: &removealldata($id);
1518: #and since they didn't do anything we were never here
1519: return '';
1520: }
1521: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1522: if ($award eq 'SUBMITTED') {
1523: &Apache::response::add_to_gradingqueue();
1524: }
1525: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1526: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1527: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1528: $Apache::lonhomework::results{"resource.$id.version"} = &Apache::lonnet::usedversion();
1529: $Apache::lonhomework::results{"resource.$id.maxtries"} = &Apache::lonnet::EXT("resource.$id.maxtries");
1530: }
1531:
1532: sub find_which_previous {
1533: my ($version) = @_;
1534: my $part = $Apache::inputtags::part;
1535: my (@previous_version);
1536: foreach my $resp (@Apache::inputtags::response) {
1537: my $key = "$version:resource.$part.$resp.submission";
1538: my $submission = $Apache::lonhomework::history{$key};
1539: my %previous = &Apache::response::check_for_previous($submission,
1540: $part,$resp,
1541: $version);
1542: push(@previous_version,$previous{'version'});
1543: }
1544: return &previous_match(\@previous_version,
1545: scalar(@Apache::inputtags::response));
1546: }
1547:
1548: sub previous_match {
1549: my ($previous_array,$count) = @_;
1550: my $match = 0;
1551: my @matches;
1552: foreach my $versionar (@$previous_array) {
1553: foreach my $version (@$versionar) {
1554: $matches[$version]++;
1555: }
1556: }
1557: my $which=0;
1558: foreach my $elem (@matches) {
1559: if ($elem eq $count) {
1560: $match=1;
1561: last;
1562: }
1563: $which++;
1564: }
1565: return ($match,$which);
1566: }
1567:
1568: sub grade {
1569: my ($target) = @_;
1570: my $id = $Apache::inputtags::part;
1571: my $response='';
1572: if ( defined $env{'form.submitted'}) {
1573: my (@awards,@msgs);
1574: foreach $response (@Apache::inputtags::response) {
1575: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1576: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1577: &Apache::lonxml::debug("keeping $value from $response for $id");
1578: push (@awards,$value);
1579: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1580: &Apache::lonxml::debug("got message $value from $response for $id");
1581: push (@msgs,$value);
1582: }
1583: my ($finalaward,$msg) =
1584: &finalizeawards(\@awards,\@msgs,undef,undef,
1585: $Apache::lonhomework::scantronmode);
1586: my $previously_used;
1587: if ( $#Apache::inputtags::previous eq $#awards ) {
1588: my ($match) =
1589: &previous_match(\@Apache::inputtags::previous_version,
1590: scalar(@Apache::inputtags::response));
1591:
1592: if ($match) {
1593: $previously_used = 'PREVIOUSLY_LAST';
1594: foreach my $value (@Apache::inputtags::previous) {
1595: if ($value eq 'PREVIOUSLY_USED' ) {
1596: $previously_used = $value;
1597: last;
1598: }
1599: }
1600: }
1601: }
1602: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1603: &setgradedata($finalaward,$msg,$id,$previously_used);
1604: }
1605: return '';
1606: }
1607:
1608: sub get_grade_messages {
1609: my ($id,$prefix,$target,$status,$nocorrect,$tdclass) = @_;
1610: # nocorrect suppresses "Computer's answer now shown above"
1611: my ($message,$latemessage,$trystr,$previousmsg);
1612: my $showbutton = 1;
1613:
1614: my $award = $Apache::lonhomework::history{"$prefix.award"};
1615: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1616: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1617: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1618: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1619: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1620: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1621: &Apache::lonxml::debug('Getting message');
1622: ($showbutton,my $css_class,$message,$previousmsg) =
1623: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1624: $target,(($status eq 'CAN_ANSWER') || $nocorrect),$tdclass);
1625: if ($target eq 'tex') {
1626: $message='\vskip 2 mm '.$message.' ';
1627: } else {
1628: $message="<td class=\"$tdclass $css_class\">$message</td>";
1629: if ($previousmsg) {
1630: $previousmsg="<td class=\"$tdclass LC_answer_previous\">$previousmsg</td>";
1631: }
1632: }
1633: }
1634: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1635: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1636: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1637: #if tries are set to negative turn off the Tries/Button and messages
1638: if (defined($maxtries) && $maxtries < 0) { return ''; }
1639: if ( $tries eq '' ) { $tries = '0'; }
1640: if ( $maxtries eq '' ) { $maxtries = '2'; }
1641: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1642: my $tries_text= &get_tries_text();
1643: if ($showbutton) {
1644: if ($target eq 'tex') {
1645: if ($env{'request.state'} ne "construct"
1646: && $Apache::lonhomework::type ne 'exam'
1647: && $env{'form.suppress_tries'} ne 'yes') {
1648: $trystr ='{\vskip 1 mm \small '
1649: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1650: ,'\textit{','}',$tries.'/'.$maxtries )
1651: .'} \vskip 2 mm';
1652: } else {
1653: $trystr = '\vskip 0 mm ';
1654: }
1655: } else {
1656: my $trial =$tries;
1657: if ($Apache::lonhomework::parsing_a_task) {
1658: } elsif($env{'request.state'} ne 'construct') {
1659: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1660: } else {
1661: if (defined($Apache::inputtags::params{'maxtries'})) {
1662: $trial.="/".$Apache::inputtags::params{'maxtries'};
1663: }
1664: }
1665: $trystr = '<td class="'.$tdclass.'"><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1666: }
1667: }
1668:
1669: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1670: #last submissions was after due date
1671: $latemessage=&mt(' The last submission was after the Due Date ');;
1672: if ($target eq 'web') {
1673: $latemessage='<td class="'.$tdclass.' LC_answer_late">'.$latemessage.'</td>';
1674: }
1675: }
1676: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1677: }
1678:
1679: sub gradestatus {
1680: my ($id,$target,$no_previous) = @_;
1681: my $showbutton = 1;
1682: my $message = '';
1683: my $latemessage = '';
1684: my $trystr='';
1685: my $button='';
1686: my $previousmsg='';
1687: my $tdclass='';
1688:
1689: my $status = $Apache::inputtags::status['-1'];
1690: &Apache::lonxml::debug("gradestatus has :$status:");
1691: if ( $status ne 'CLOSED'
1692: && $status ne 'UNAVAILABLE'
1693: && $status ne 'INVALID_ACCESS'
1694: && $status ne 'NEEDS_CHECKIN'
1695: && $status ne 'NOT_IN_A_SLOT'
1696: && $status ne 'RESERVABLE'
1697: && $status ne 'RESERVABLE_LATER'
1698: && $status ne 'NOTRESERVABLE') {
1699:
1700: if ($status eq 'SHOW_ANSWER') {
1701: $showbutton = 0;
1702: }
1703:
1704: unless (($status eq 'SHOW_ANSWER') || ($status eq 'CANNOT_ANSWER')) {
1705: if ($target ne 'tex') {
1706: $tdclass = 'LC_status_submit_'.$id;
1707: }
1708: }
1709:
1710: ($previousmsg,$latemessage,$message,$trystr) =
1711: &get_grade_messages($id,"resource.$id",$target,$status,
1712: $showbutton,$tdclass);
1713: if ($status eq 'CANNOT_ANSWER') {
1714: $showbutton = 0;
1715: }
1716: if ( $status eq 'SHOW_ANSWER') {
1717: undef($previousmsg);
1718: }
1719: if ( $showbutton ) {
1720: if ($target ne 'tex') {
1721: $button =
1722: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1723: type="submit" name="submit_'.$id.'" id="submit_'.$id.'" class="LC_hwk_submit"
1724: value="'.&mt('Submit Answer').'" /> '.
1725: '<div id="msg_submit_'.$id.'" style="display:none">'.
1726: &mt('Processing your submission ...').'</div>';
1727: }
1728: }
1729:
1730: }
1731: my $output= $previousmsg.$latemessage.$message.$trystr;
1732: if ($output =~ /^\s*$/) {
1733: return $button;
1734: } else {
1735: if ($target eq 'tex') {
1736: return $button.' \vskip 0 mm '.$output.' ';
1737: } else {
1738: $output =
1739: '<table><tr><td>'.$button.'</td>'.$output;
1740: if (!$no_previous) {
1741: $output.='<td class="'.$tdclass.'">'.&previous_tries($id,$target).'</td>';
1742: }
1743: $output.= '</tr></table>';
1744: return $output;
1745: }
1746: }
1747: }
1748:
1749: sub previous_tries {
1750: my ($id,$target) = @_;
1751: my $output;
1752: my $status = $Apache::inputtags::status['-1'];
1753:
1754: my $count;
1755: my %count_lookup;
1756: my ($lastrndseed,$lasttype);
1757: my $numstamps = 0;
1758:
1759: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1760: my $prefix = $i.":resource.$id";
1761: my $is_anon;
1762: my $curr_type = $Apache::lonhomework::history{"$prefix.type"};
1763: if (defined($env{'form.grade_symb'})) {
1764: if (($curr_type eq 'anonsurvey') || ($curr_type eq 'anonsurveycred')) {
1765: $is_anon = 1;
1766: }
1767: }
1768: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1769: $count++;
1770: $count_lookup{$i} = $count;
1771: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1772: my ($previousmsg,$latemessage,$message,$trystr);
1773:
1774: ($previousmsg,$latemessage,$message,$trystr) =
1775: &get_grade_messages($id,"$prefix",$target,$status);
1776:
1777: if ($previousmsg ne '') {
1778: my ($match,$which) = &find_which_previous($i);
1779: $message=$previousmsg;
1780: my $previous = $count_lookup{$which};
1781: $message =~ s{(</td>)}{ as submission \# $previous $1};
1782: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1783: if (!(&Apache::lonhomework::hide_problem_status()
1784: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1785: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1786: ) {
1787:
1788: my $txt_correct = &mt('Correct');
1789: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1790: if ($awarded < 1 && $awarded > 0) {
1791: $txt_correct=&mt('Partially Correct');
1792: } elsif ($awarded < 1) {
1793: if ($awarded eq '') {
1794: $txt_correct='';
1795: } else {
1796: $txt_correct=&mt('Incorrect');
1797: }
1798: }
1799: $message =~ s{(<td.*?>)(.*?)(</td>)}
1800: {$1 <strong>$txt_correct</strong>. $3}s;
1801: }
1802: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1803: if (($curr_rndseed ne '') && ($lastrndseed ne '')) {
1804: if (($curr_rndseed ne $lastrndseed) &&
1805: (($curr_type eq 'randomizetry') || ($lasttype eq 'randomizetry'))) {
1806: $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>';
1807: }
1808: }
1809: $message =~ s{(</td>)}{ $trystr $1};
1810: }
1811: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1812: $message =~ s{(<td.*?>)}{<td>};
1813:
1814:
1815: $output .= '<tr class="'.$class.'">'.
1816: '<td align="center">'.$count.'</td>'.$message;
1817: if ((!$is_anon) && ($Apache::lonhomework::history{"$prefix.tries"}) &&
1818: ($Apache::lonhomework::history{"$prefix.award"} ne 'ASSIGNED_SCORE') &&
1819: ($Apache::lonhomework::history{$i.':timestamp'})) {
1820: $output .= '<td>'.&Apache::lonlocal::locallocaltime(
1821: $Apache::lonhomework::history{$i.':timestamp'}).'</td>';
1822: $numstamps ++;
1823: } else {
1824: $output .= '<td></td>';
1825: }
1826: foreach my $resid (@Apache::inputtags::response) {
1827: my $prefix = $prefix.".$resid";
1828: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1829: my $submission =
1830: $Apache::inputtags::submission_display{"$prefix.submission"};
1831: if (!defined($submission)) {
1832: $submission =
1833: $Apache::lonhomework::history{"$prefix.submission"};
1834: }
1835: if ($is_anon) {
1836: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1837: } else {
1838: $output.='<td>'.$submission.'</td>';
1839: }
1840: } else {
1841: $output.='<td></td>';
1842: }
1843: }
1844: $output.=&Apache::loncommon::end_data_table_row()."\n";
1845: $lastrndseed = $curr_rndseed;
1846: $lasttype = $curr_type;
1847: }
1848: return if ($output eq '');
1849: my $headers = '<tr>'.
1850: '<th>'.&mt('Submission #').'</th>'.
1851: '<th>'.&mt('Try').'</th><th>';
1852: if ($numstamps) {
1853: $headers .= &mt('When');
1854: }
1855: $headers .= '</th>';
1856: my $colspan = scalar(@Apache::inputtags::response);
1857: if ($colspan > 1) {
1858: $headers .= '<th colspan="'.$colspan.'">';
1859: } else {
1860: $headers .= '<th>';
1861: }
1862: $headers .= &mt('Submitted Answer').'</th></tr>';
1863: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1864:
1865: my $tries_text = &get_tries_text('link');
1866: my $prefix = $env{'form.request.prefix'};
1867: $prefix =~ tr{.}{_};
1868: my $function_name = "LONCAPA_previous_tries_".$prefix.
1869: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1870: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1871: return $result;
1872: }
1873:
1874: sub get_tries_text {
1875: my ($context) = @_;
1876: my $tries_text;
1877: if ($context eq 'link') {
1878: $tries_text = 'Previous Tries';
1879: } else {
1880: $tries_text = 'Tries';
1881: }
1882: if ( $Apache::lonhomework::type eq 'survey' ||
1883: $Apache::lonhomework::type eq 'surveycred' ||
1884: $Apache::lonhomework::type eq 'anonsurvey' ||
1885: $Apache::lonhomework::type eq 'anonsurveycred' ||
1886: $Apache::lonhomework::parsing_a_task) {
1887: if ($context eq 'link') {
1888: $tries_text = 'Previous Submissions';
1889: } else {
1890: $tries_text = 'Submissions';
1891: }
1892: }
1893: return $tries_text;
1894: }
1895:
1896: sub spelling_languages {
1897: my %langchoices;
1898: foreach my $id (&Apache::loncommon::languageids()) {
1899: my $code = &Apache::loncommon::supportedlanguagecode($id);
1900: if ($code ne '') {
1901: $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
1902: }
1903: }
1904: my @spelllangs = ('none');
1905: foreach my $code ('en','de','he','es','fr','pt','tr') {
1906: push(@spelllangs,[$code,$langchoices{$code}]);
1907: }
1908: return \@spelllangs;
1909: }
1910:
1911: sub edit_mathresponse_button {
1912: my ($field) = @_;
1913: my $eqneditor = 'lcmath';
1914: if ($env{'browser.type'} eq 'safari') {
1915: if ($env{'browser.os'} eq 'mac') {
1916: my ($prefix,$version) = ($env{'browser.version'} =~ /^(\d*)(\d{3})\./);
1917: if ($env{'browser.mobile'}) {
1918: if (($version < 531) || (($prefix eq '') && ($version < 533))) {
1919: $eqneditor = '';
1920: }
1921: } elsif ($version < 533) {
1922: $eqneditor = 'dragmath';
1923: }
1924: } elsif ($env{'browser.os'} eq 'win') {
1925: if ($env{'browser.version'} < 533) {
1926: $eqneditor = 'dragmath';
1927: }
1928: }
1929: } elsif ($env{'browser.type'} eq 'explorer') {
1930: if ($env{'browser.version'} < 9) {
1931: $eqneditor = 'dragmath';
1932: }
1933: } elsif ($env{'browser.type'} eq 'mozilla') {
1934: if ($env{'browser.version'} < 5) {
1935: $eqneditor = 'dragmath';
1936: } else {
1937: if ($env{'browser.info'} =~ /^firefox\-([\d\.]+)/) {
1938: my $firefox = $1;
1939: if ($firefox < 4) {
1940: $eqneditor = 'dragmath';
1941: }
1942: }
1943: }
1944: } elsif ($env{'browser.type'} eq 'chrome') {
1945: if ($env{'browser.version'} < 5) {
1946: $eqneditor = 'dragmath';
1947: }
1948: } elsif ($env{'browser.type'} eq 'opera') {
1949: if ($env{'browser.version'} < 12) {
1950: $eqneditor = 'dragmath';
1951: }
1952: }
1953: if ($eqneditor eq 'lcmath') {
1954: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
1955: if (exists($env{'course.'.$env{'request.course.id'}.'.uselcmath'})) {
1956: if ($env{'course.'.$env{'request.course.id'}.'.uselcmath'} eq '0') {
1957: $eqneditor = 'dragmath';
1958: }
1959: } else {
1960: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
1961: if ($domdefs{'uselcmath'} eq '0') {
1962: $eqneditor = 'dragmath';
1963: }
1964: }
1965: } else {
1966: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
1967: if ($domdefs{'uselcmath'} eq '0') {
1968: $eqneditor = 'dragmath';
1969: }
1970: }
1971: }
1972: if ($eqneditor eq 'dragmath') {
1973: # DragMath applet
1974: my $button=&mt('Edit Answer');
1975: # my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
1976: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
1977: return(<<ENDFORMULABUTTON);
1978: <script type="text/javascript" language="JavaScript">
1979: function LC_mathedit_${field} (LCtextline) {
1980: thenumber = LCtextline;
1981: var thedata = '';
1982: if (document.getElementById(LCtextline)) {
1983: thedata = document.getElementById(LCtextline).value;
1984: }
1985: newwin = window.open("/adm/dragmath/MaximaPopup.html","","width=565,height=400,resizable");
1986: }
1987: </script>
1988: <a href="javascript:LC_mathedit_${field}('${field}');void(0);"><img class="stift" src="$iconpath/stift.gif" alt="$button" title="$button" /></a>
1989: ENDFORMULABUTTON
1990: } elsif ($eqneditor eq 'lcmath') {
1991: # LON-CAPA math equation editor
1992: my $mathjaxjs;
1993: unless (lc(&Apache::lontexconvert::tex_engine()) eq 'mathjax') {
1994: $mathjaxjs = <<"MATHJAX_SCRIPT";
1995: var mathjaxscript = document.createElement("script");
1996: mathjaxscript.type = "text/javascript";
1997: mathjaxscript.src = "/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML";
1998: document.body.appendChild(mathjaxscript);
1999: MATHJAX_SCRIPT
2000: }
2001: return(<<EQ_EDITOR_SCRIPT);
2002: <script type="text/javascript">
2003: var LCmathField = document.getElementById('${field}');
2004: LCmathField.className += ' math'; // note the space
2005: LCmathField.setAttribute('data-implicit_operators', 'true');
2006: var LCMATH_started;
2007: if (typeof LCMATH_started === 'undefined') {
2008: $mathjaxjs
2009: LCMATH_started = true;
2010: var script = document.createElement("script");
2011: script.type = "text/javascript";
2012: script.src = "/adm/LC_math_editor/LC_math_editor.min.js";
2013: document.body.appendChild(script);
2014: window.addEventListener('load', function(e) {
2015: LCMATH.initEditors();
2016: }, false);
2017: }
2018: </script>
2019: EQ_EDITOR_SCRIPT
2020: }
2021: }
2022:
2023: 1;
2024: __END__
2025:
2026: =pod
2027:
2028: =back
2029:
2030: =cut
2031:
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