1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.308 2012/09/10 09:50:57 foxr 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: sub check_for_duplicate_ids {
129: my %check;
130: foreach my $id (@Apache::inputtags::partlist,
131: @Apache::inputtags::responselist,
132: @Apache::inputtags::hintlist,
133: @Apache::inputtags::importlist) {
134: $check{$id}++;
135: }
136: my @duplicates;
137: foreach my $id (sort(keys(%check))) {
138: if ($check{$id} > 1) {
139: push(@duplicates,$id);
140: }
141: }
142: if (@duplicates) {
143: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
144: }
145: }
146:
147: sub start_input {
148: my ($parstack,$safeeval)=@_;
149: my $id = &Apache::lonxml::get_id($parstack,$safeeval);
150: push (@Apache::inputtags::input,$id);
151: push (@Apache::inputtags::inputlist,$id);
152: return $id;
153: }
154:
155: sub end_input {
156: pop @Apache::inputtags::input;
157: return '';
158: }
159:
160: sub addchars {
161: my ($fieldid,$addchars)=@_;
162: my $output='';
163: foreach (split(/\,/,$addchars)) {
164: $output.='<a href="javascript:void(document.forms.lonhomework.'.
165: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
166: }
167: return $output;
168: }
169:
170: sub start_textfield {
171: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
172: my $result = "";
173: my $id = &start_input($parstack,$safeeval);
174: my $resid=$Apache::inputtags::response[-1];
175: if ($target eq 'web') {
176: $Apache::lonxml::evaluate--;
177: my $partid=$Apache::inputtags::part;
178: my ($oldresponse,$newvariation);
179: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
180: ($Apache::lonhomework::type eq 'randomizetry')) &&
181: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
182: if ($env{'form.'.$partid.'.rndseed'} ne
183: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
184: $newvariation = 1;
185: }
186: }
187: unless ($newvariation) {
188: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"};
189: }
190: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
191: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
192: if ( $cols eq '') { $cols = 80; }
193: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
194: if ( $rows eq '') { $rows = 16; }
195: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
196: $result='';
197: if ($addchars) {
198: $result.=&addchars('HWVAL_'.$resid,$addchars);
199: }
200: my $textareaclass = 'class="LC_richDetectHtml spellchecked"';
201: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" ' .
202: 'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass
203: . "onblur='\$(this).spellchecker(\"check\")'"
204: .'>'.
205: &HTML::Entities::encode($oldresponse,'<>&"');
206: if ($oldresponse ne '') {
207:
208: #get rid of any startup text if the user has already responded
209: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
210: }
211: } else {
212: #show past answer in the essayresponse case
213: if ($oldresponse =~ /\S/
214: && &Apache::londefdef::is_inside_of($tagstack,
215: 'essayresponse') ) {
216: $result='<table class="LC_pastsubmission"><tr><td>'.
217: $oldresponse.'</td></tr></table>';
218: }
219: #get rid of any startup text
220: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
221: }
222: } elsif ($target eq 'grade') {
223: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
224: $style);
225: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
226: # if the seed text is still there it wasn't a real submission
227: $env{'form.HWVAL_'.$resid}='';
228: }
229: } elsif ($target eq 'edit') {
230: $result.=&Apache::edit::tag_start($target,$token);
231: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
232: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
233: $result.=&Apache::edit::text_arg
234: ('Click-On Texts (comma sep):','addchars',$token,10);
235: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
236: $style);
237: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
238: } elsif ($target eq 'modified') {
239: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
240: $safeeval,'rows','cols',
241: 'addchars');
242: if ($constructtag) {
243: $result = &Apache::edit::rebuild_tag($token);
244: } else {
245: $result=$token->[4];
246: }
247: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
248: } elsif ($target eq 'tex') {
249: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
250: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
251: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
252: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
253: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
254: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
255: } else {
256: my $TeXwidth=$width_of_box/80;
257: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
258: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
259: $result.='}}}\vskip 2 mm ';
260: }
261: }
262: return $result;
263: }
264:
265: sub end_textfield {
266: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
267: my $result;
268: if ($target eq 'web') {
269: $Apache::lonxml::evaluate++;
270: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
271: return "</textarea>";
272: }
273: } elsif ($target eq 'edit') {
274: $result=&Apache::edit::end_table();
275: }
276: &end_input;
277: return $result;
278: }
279:
280: sub exam_score_line {
281: my ($target) = @_;
282:
283: my $result;
284: if ($target eq 'tex') {
285: my $repetition = &Apache::response::repetition();
286: $result.='\begin{enumerate}';
287: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
288: foreach my $i (0..$repetition-1) {
289: $result.='\item[\textbf{'.
290: ($Apache::lonxml::counter+$i).
291: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
292: }
293: $result.= '\end{enumerate}';
294: }
295:
296: return $result;
297: }
298:
299: sub exam_box {
300: my ($target) = @_;
301: my $result;
302:
303: if ($target eq 'tex') {
304: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
305: $result .= &exam_score_line($target);
306: } elsif ($target eq 'web') {
307: my $id=$Apache::inputtags::response[-1];
308: $result.= '<br /><br />
309: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
310: </textarea> <br /><br />';
311: }
312: return $result;
313: }
314:
315: sub needs_exam_box {
316: my ($tagstack) = @_;
317: my @tags = ('formularesponse',
318: 'stringresponse',
319: 'reactionresponse',
320: 'organicresponse',
321: );
322:
323: foreach my $tag (@tags) {
324: if (grep(/\Q$tag\E/,@$tagstack)) {
325: return 1;
326: }
327: }
328: return 0;
329: }
330:
331: sub start_textline {
332: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
333: my $result = "";
334: my $input_id = &start_input($parstack,$safeeval);
335: if ($target eq 'web') {
336: $Apache::lonxml::evaluate--;
337: my $partid=$Apache::inputtags::part;
338: my $id=$Apache::inputtags::response[-1];
339: if (!&Apache::response::show_answer()) {
340: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
341: my $maxlength;
342: if ($size eq '') { $size=20; } else {
343: if ($size < 20) {
344: $maxlength = ' maxlength="'.$size.'"';
345: }
346: }
347: my ($oldresponse,$newvariation);
348: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
349: ($Apache::lonhomework::type eq 'randomizetry')) &&
350: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
351: if ($env{'form.'.$partid.'.rndseed'} ne
352: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
353: $newvariation = 1;
354: }
355: }
356: unless ($newvariation) {
357: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
358: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
359: if (ref($oldresponse) eq 'ARRAY') {
360: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
361: }
362: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
363: $oldresponse =~ s/^\s+//;
364: $oldresponse =~ s/\s+$//;
365: $oldresponse =~ s/\s+/ /g;
366: }
367: if ($Apache::lonhomework::type ne 'exam') {
368: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
369: $result='';
370: if ($addchars) {
371: $result.=&addchars('HWVAL_'.$id,$addchars);
372: }
373: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
374: $safeeval);
375: if (lc($readonly) eq 'yes'
376: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
377: $readonly=' readonly="readonly" ';
378: } else {
379: $readonly='';
380: }
381: my $name = 'HWVAL_'.$id;
382: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
383: $name = "none";
384: }
385: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');" type="text" '.$readonly.' name="'.$name.'" value="'.
386: $oldresponse.'" class="spellchecked" size="'.$size.'"'.$maxlength.'
387: onblur=' . "'\$(this).spellchecker(\"check\")'" . '/>';
388: }
389: if ($Apache::lonhomework::type eq 'exam'
390: && &needs_exam_box($tagstack)) {
391: $result.=&exam_box($target);
392: }
393: } else {
394: #right or wrong don't show what was last typed in.
395: my $count = scalar(@Apache::inputtags::inputlist)-1;
396: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
397: #$result='';
398: }
399: } elsif ($target eq 'edit') {
400: $result=&Apache::edit::tag_start($target,$token);
401: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
402: &Apache::edit::text_arg('Click-On Texts (comma sep):',
403: 'addchars',$token,10);
404: $result.=&Apache::edit::select_arg('Readonly:','readonly',
405: ['no','yes'],$token);
406: $result.=&Apache::edit::end_row();
407: $result.=&Apache::edit::end_table();
408: } elsif ($target eq 'modified') {
409: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
410: $safeeval,'size',
411: 'addchars','readonly');
412: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
413: } elsif ($target eq 'tex'
414: && $Apache::lonhomework::type ne 'exam') {
415: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
416: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
417: if ($env{'form.pdfFormFields'} eq 'yes'
418: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
419: my $fieldname = $env{'request.symb'}.
420: '&part_'. $Apache::inputtags::part.
421: '&textresponse'.
422: '&HWVAL_' . $Apache::inputtags::response['-1'];
423: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
424: } else {
425: $result='\framebox['.$size.'][s]{\tiny\strut}';
426: }
427: } elsif ($target eq 'tex'
428: && $Apache::lonhomework::type eq 'exam'
429: && &needs_exam_box($tagstack)) {
430: $result.=&exam_box($target);
431: }
432: return $result;
433: }
434:
435: sub end_textline {
436: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
437: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
438: elsif ($target eq 'edit') { return ('','no'); }
439: &end_input();
440: return "";
441: }
442:
443: sub start_hiddenline {
444: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
445: my $result = "";
446: my $input_id = &start_input($parstack,$safeeval);
447: if ($target eq 'web') {
448: $Apache::lonxml::evaluate--;
449: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
450: my $partid=$Apache::inputtags::part;
451: my $id=$Apache::inputtags::response[-1];
452: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
453: if (ref($oldresponse) eq 'ARRAY') {
454: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
455: }
456: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
457:
458: if ($Apache::lonhomework::type ne 'exam') {
459: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
460: $oldresponse.'" />';
461: }
462: }
463: } elsif ($target eq 'edit') {
464: $result=&Apache::edit::tag_start($target,$token);
465: $result.=&Apache::edit::end_table;
466: }
467:
468: if ( ($target eq 'web' || $target eq 'tex')
469: && $Apache::lonhomework::type eq 'exam'
470: && &needs_exam_box($tagstack)) {
471: $result.=&exam_box($target);
472: }
473: return $result;
474: }
475:
476: sub end_hiddenline {
477: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
478: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
479: elsif ($target eq 'edit') { return ('','no'); }
480: &end_input();
481: return "";
482: }
483:
484:
485: sub start_hiddensubmission {
486: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
487: my $result = "";
488: my $input_id = &start_input($parstack,$safeeval);
489: if ($target eq 'web') {
490: $Apache::lonxml::evaluate--;
491: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
492: my $partid=$Apache::inputtags::part;
493: my $id=$Apache::inputtags::response[-1];
494: if ($Apache::lonhomework::type ne 'exam') {
495: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
496: $value = &HTML::Entities::encode($value,'<>&"');
497: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
498: }
499: }
500: } elsif ($target eq 'edit') {
501: $result=&Apache::edit::tag_start($target,$token);
502: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
503: $result.=&Apache::edit::end_row();
504: $result.=&Apache::edit::end_table();
505: } elsif ($target eq 'modified') {
506: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
507: $safeeval,'value');
508: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
509: }
510:
511: if ( ($target eq 'web' || $target eq 'tex')
512: && $Apache::lonhomework::type eq 'exam'
513: && &needs_exam_box($tagstack)) {
514: $result.=&exam_box($target);
515: }
516: return $result;
517: }
518:
519: sub end_hiddensubmission {
520: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
521: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
522: elsif ($target eq 'edit') { return ('','no'); }
523: &end_input();
524: return "";
525: }
526:
527: =pod
528:
529: =item file_selector()
530:
531: $part -> partid
532: $id -> responseid
533: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
534: $which -> 'uploadonly' -> only newly uploaded files
535: 'portfolioonly' -> only allow files from portfolio
536: 'both' -> allow files from either location
537: $extratext -> additional text to go between the link and the input box
538: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
539: returns a table row <tr>
540:
541: =cut
542:
543: sub file_selector {
544: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
545: if (!$uploadedfiletypes) { return ''; }
546:
547: my $jspart=$part;
548: $jspart=~s/\./_/g;
549:
550: my $result;
551: my $current_files_display = ¤t_file_submissions($part,$id);
552: my $addfiles;
553: if ($current_files_display) {
554: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
555: $current_files_display.
556: &Apache::lonhtmlcommon::row_closure();
557: $addfiles = &mt('Submit other file(s)');
558: } else {
559: $addfiles = &mt('Choose file(s) to submit');
560: }
561: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
562: my $constraints;
563: if ($uploadedfiletypes ne '*') {
564: $constraints =
565: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
566: }
567: if ($maxfilesize) {
568: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].',
569: '<b>'.$maxfilesize.'</b>').'<br />';
570: }
571: if ($constraints) {
572: $result .= $constraints.'<br />';
573: }
574: if ($which eq 'uploadonly' || $which eq 'both') {
575: $result.=&mt('Submit a file: (only one file per submission)').
576: ' <br /><input type="file" size="50" name="HWFILE'.
577: $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
578: }
579: if ( $which eq 'both') {
580: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
581: }
582: if ($which eq 'portfolioonly' || $which eq 'both') {
583: my $symb = $env{'request.symb'};
584: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
585: my $showsymb;
586: # If resource is a .task and URL is unencrypted, include symb in query string
587: # for url opened in portfolio file selection window. Can be used to override
588: # blocking of portfolio access resulting from an exam event in a different course.
589: if ($res =~ /\.task$/i) {
590: my $encsymb = &Apache::lonenc::check_encrypt($symb);
591: if ($symb eq $encsymb) {
592: $showsymb = $symb;
593: }
594: }
595: $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"))'."'".'>'.
596: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
597: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
598: '<br />';
599:
600: }
601: $result.=&Apache::lonhtmlcommon::row_closure(1);
602: return $result;
603: }
604:
605: sub current_file_submissions {
606: my ($part,$id) = @_;
607: my $jspart=$part;
608: $jspart=~s/\./_/g;
609: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
610: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
611: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
612: my $header = &Apache::loncommon::start_data_table().
613: &Apache::loncommon::start_data_table_header_row();
614: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
615: $header .= '<th>'.&mt('Delete?').'</th>';
616: }
617: $header .= '<th>'.&mt('File').'</th>'.
618: '<th>'.&mt('Size (MB)').'</th>'.
619: '<th>'.&mt('Last Modified').'</th>'.
620: &Apache::loncommon::end_data_table_header_row();
621: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
622: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
623: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
624: if ($uploadedfile) {
625: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
626: my $link = &HTML::Entities::encode($url,'<>&"');
627: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
628: my ($status,$hashref,$error) =
629: ¤t_file_info($url,$link,$name,$path);
630: if ($status eq 'ok') {
631: push(@{$okfiles{$name}},$url);
632: $rows{$url} = $hashref;
633: $legacy{$url} = 1;
634: &Apache::lonxml::extlink($url);
635: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
636: } else {
637: push(@bad_file_list,$error);
638: }
639: }
640: if ($portfiles =~ /[^\s]/) {
641: my $prefix = "/uploaded/$udom/$uname/portfolio";
642: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
643: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
644: my $url = $prefix.$path.$name;
645: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
646: my ($status,$hashref,$error) =
647: ¤t_file_info($url,$uploadedfile,$name,$path);
648: if ($status eq 'ok') {
649: push(@{$okfiles{$name}},$url);
650: $rows{$url} = $hashref;
651: } else {
652: push(@bad_file_list,$error);
653: }
654: }
655: }
656: my $num = 0;
657: foreach my $name (sort(keys(%okfiles))) {
658: if (ref($okfiles{$name}) eq 'ARRAY') {
659: foreach my $url (@{$okfiles{$name}}) {
660: if (ref($rows{$url}) eq 'HASH') {
661: my $link = $rows{$url}{link};
662: my $portfile = $rows{$url}{path}.$rows{$url}{name};
663: $portfile = &HTML::Entities::encode($portfile,'<>&"');
664: if ($link) {
665: my $icon=&Apache::loncommon::icon($url);
666: unless ($header_shown) {
667: $result .= $header;
668: $header_shown = 1;
669: }
670: $result.=
671: &Apache::loncommon::start_data_table_row()."\n";
672: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
673: $result .=
674: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
675: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
676: $num ++;
677: }
678: my $showname = $rows{$url}{path}.$name;
679: if ($legacy{$url}) {
680: $showname = $name.' '.&mt('not in portfolio');
681: }
682: $result .=
683: '<td><a href="'.$link.'"><img src="'.$icon.
684: '" border="0" alt="" />'.$showname.'</a></td>'."\n".
685: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
686: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
687: &Apache::loncommon::end_data_table_row();
688: }
689: }
690: }
691: }
692: }
693: if ($header_shown) {
694: $result .= &Apache::loncommon::end_data_table();
695: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
696: $result .= '<br /><span class="LC_warning">'.
697: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
698: }
699: }
700: if (@bad_file_list) {
701: my $bad_files = '<span class="LC_filename">'.
702: join('</span>, <span class="LC_filename">',@bad_file_list).
703: '</span>';
704: $result.='<p class="LC_error">'.
705: &mt("These file(s) don't exist: [_1]",$bad_files).
706: '</p>';
707: }
708: return $result;
709: }
710:
711: sub current_file_info {
712: my ($url,$uploadedfile,$name,$path) = @_;
713: my ($status,$error,%info);
714: my @stat = &Apache::lonnet::stat_file($url);
715: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
716: my ($lastmod,$size);
717: if ($stat[9] =~ /^\d+$/) {
718: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
719: }
720: $size = $stat[7]/(1024*1024);
721: $size = sprintf("%.3f",$size);
722: %info = (
723: link => $uploadedfile,
724: name => $name,
725: path => $path,
726: size => $size,
727: lastmodified => $lastmod,
728: );
729: $status = 'ok';
730: } else {
731: &Apache::lonnet::logthis("bad file is $url");
732: my $icon=&Apache::loncommon::icon($url);
733: $error = '<a href="'.$url.'"><img src="'.$icon.
734: '" border="0" />'.$uploadedfile.'</a>';
735: }
736: return ($status,\%info,$error);
737: }
738:
739: sub valid_award {
740: my ($award) =@_;
741: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
742: 'NO_RESPONSE',
743: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
744: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
745: 'UNIT_FAIL', 'NO_UNIT',
746: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
747: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
748: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
749: 'MISORDERED_RANK', 'INVALID_FILETYPE',
750: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
751: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
752: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
753: 'ASSIGNED_SCORE', 'APPROX_ANS',
754: 'EXACT_ANS','COMMA_FAIL') {
755: if ($award eq $possibleaward) { return 1; }
756: }
757: return 0;
758: }
759:
760: {
761: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
762: 'TOO_LONG',
763: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
764: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
765: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
766: 'WRONG_FORMAT', 'INTERNAL_ERROR',
767: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
768: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
769: 'DRAFT', 'SUBMITTED',
770: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
771: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
772: my $i=0;
773: my %fwd_awards = map { ($_,$i++) } @awards;
774: my $max=scalar(@awards);
775: @awards=reverse(@awards);
776: $i=0;
777: my %rev_awards = map { ($_,$i++) } @awards;
778:
779: sub awarddetail_to_awarded {
780: my ($awarddetail) = @_;
781: if ($awarddetail eq 'EXACT_ANS'
782: || $awarddetail eq 'APPROX_ANS') {
783: return 1;
784: }
785: return 0;
786: }
787:
788: sub hide_award {
789: my ($award) = @_;
790: if (&Apache::lonhomework::show_no_problem_status()) {
791: return 1;
792: }
793: if ($award =~
794: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
795: return 1;
796: }
797: return 0;
798: }
799:
800: sub finalizeawards {
801: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
802: my $result;
803: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
804: if ($result eq '' ) {
805: my $blankcount;
806: foreach my $award (@$awardref) {
807: if ($award eq '') {
808: $result='MISSING_ANSWER';
809: $blankcount++;
810: }
811: }
812: if ($blankcount == ($#$awardref + 1)) {
813: return ('NO_RESPONSE');
814: }
815: }
816:
817: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
818:
819: if (!$final_scantron && defined($result)) { return ($result); }
820:
821: # if in scantron mode, if the award for any response is
822: # assigned score, then the part gets an assigned score
823: if ($final_scantron
824: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
825: return ('ASSIGNED_SCORE');
826: }
827:
828: # if in scantron mode, if the award for any response is
829: # correct and there are non-correct responses,
830: # then the part gets an assigned score
831: if ($final_scantron
832: && (grep { $_ eq 'EXACT_ANS' ||
833: $_ eq 'APPROX_ANS' } (@$awardref))
834: && (grep { $_ ne 'EXACT_ANS' &&
835: $_ ne 'APPROX_ANS' } (@$awardref))) {
836: return ('ASSIGNED_SCORE');
837: }
838: # these awards are ordered from most important error through best correct
839: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
840:
841: my $best = $max;
842: my $j=0;
843: my $which;
844: foreach my $award (@$awardref) {
845: if ($awards->{$award} < $best) {
846: $best = $awards->{$award};
847: $which = $j;
848: }
849: $j++;
850: }
851:
852: if (defined($which)) {
853: if (ref($nameref)) {
854: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
855: } else {
856: return ($$awardref[$which],$$msgref[$which]);
857: }
858: }
859: return ('ERROR',undef);
860: }
861: }
862:
863: sub decideoutput {
864: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect)=@_;
865:
866: my $message='';
867: my $button=0;
868: my $previousmsg;
869: my $css_class='orange';
870: my $added_computer_text=0;
871: my %possible_class =
872: ( 'correct' => 'LC_answer_correct',
873: 'charged_try' => 'LC_answer_charged_try',
874: 'not_charged_try' => 'LC_answer_not_charged_try',
875: 'no_grade' => 'LC_answer_no_grade',
876: 'no_message' => 'LC_no_message',
877: );
878:
879: my $part = $Apache::inputtags::part;
880: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
881: my $handgrade = ('yes' eq lc($tohandgrade));
882: #
883: # Should "Computer's Answer" be displayed?
884: # Should not be displayed if still answerable,
885: # if the problem is handgraded,
886: # or if the problem does not give a correct answer
887: #
888:
889: my $computer = ($handgrade || $nocorrect)? ''
890: : " ".&mt("Computer's answer now shown above.");
891: &Apache::lonxml::debug("handgrade has :$handgrade:");
892:
893: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
894:
895: if ($solved =~ /^correct/) {
896: $css_class=$possible_class{'correct'};
897: $message=&mt('You are correct.');
898: if ($awarded < 1 && $awarded > 0) {
899: $message=&mt('You are partially correct.');
900: $css_class=$possible_class{'not_charged_try'};
901: } elsif ($awarded < 1) {
902: $message=&mt('Incorrect.');
903: $css_class=$possible_class{'charged_try'};
904: }
905: if ($handgrade ||
906: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
907: $message = &mt("A score has been assigned.");
908: $added_computer_text=1;
909: } else {
910: if ($target eq 'tex') {
911: $message = '\textbf{'.$message.'}';
912: } else {
913: $message = "<b>".$message."</b>";
914: $message.= $computer;
915: }
916: $added_computer_text=1;
917: if ($awarded > 0) {
918: my ($symb) = &Apache::lonnet::whichuser();
919: if (($symb ne '')
920: &&
921: ($env{'course.'.$env{'request.course.id'}.
922: '.disable_receipt_display'} ne 'yes') &&
923: ($Apache::lonhomework::type ne 'practice')) {
924: $message.=(($target eq 'web')?'<br />':' ').
925: &mt('Your receipt no. is [_1]',
926: (&Apache::lonnet::receipt($Apache::inputtags::part).
927: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
928: }
929: }
930: }
931: if ($awarded >= 1) {
932: $button=0;
933: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
934: $button=0;
935: } else {
936: $button=1;
937: }
938: $previousmsg='';
939: } elsif ($solved =~ /^excused/) {
940: if ($target eq 'tex') {
941: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
942: } else {
943: $message = "<b>".&mt('You are excused from the problem.')."</b>";
944: }
945: $css_class=$possible_class{'charged_try'};
946: $button=0;
947: $previousmsg='';
948: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
949: if ($solved =~ /^incorrect/ || $solved eq '') {
950: $message = &mt("Incorrect").".";
951: $css_class=$possible_class{'charged_try'};
952: $button=1;
953: } else {
954: if ($target eq 'tex') {
955: $message = '\textbf{'.&mt('You are correct.').'}';
956: } else {
957: $message = "<b>".&mt('You are correct.')."</b>";
958: $message.= $computer;
959: }
960: $added_computer_text=1;
961: if ($awarded > 0
962: && $env{'course.'.
963: $env{'request.course.id'}.
964: '.disable_receipt_display'} ne 'yes') {
965: $message.=(($target eq 'web')?'<br />':' ').
966: &mt('Your receipt is [_1]',
967: (&Apache::lonnet::receipt($Apache::inputtags::part).
968: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
969: }
970: $css_class=$possible_class{'correct'};
971: $button=0;
972: $previousmsg='';
973: }
974: } elsif ($award eq 'NO_RESPONSE') {
975: $message = '';
976: $css_class=$possible_class{'no_feedback'};
977: $button=1;
978: } elsif ($award eq 'EXTRA_ANSWER') {
979: $message = &mt('Some extra items were submitted.');
980: $css_class=$possible_class{'not_charged_try'};
981: $button = 1;
982: } elsif ($award eq 'MISSING_ANSWER') {
983: $message = &mt('Some items were not submitted.');
984: if ($target ne 'tex') {
985: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
986: }
987: $css_class=$possible_class{'not_charged_try'};
988: $button = 1;
989: } elsif ($award eq 'ERROR') {
990: $message = &mt('An error occurred while grading your answer.');
991: $css_class=$possible_class{'not_charged_try'};
992: $button = 1;
993: } elsif ($award eq 'TOO_LONG') {
994: $message = &mt("The submitted answer was too long.");
995: $css_class=$possible_class{'not_charged_try'};
996: $button=1;
997: } elsif ($award eq 'WANTED_NUMERIC') {
998: $message = &mt("This question expects a numeric answer.");
999: $css_class=$possible_class{'not_charged_try'};
1000: $button=1;
1001: } elsif ($award eq 'MISORDERED_RANK') {
1002: $message = &mt('You have provided an invalid ranking.');
1003: if ($target ne 'tex') {
1004: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1005: }
1006: $css_class=$possible_class{'not_charged_try'};
1007: $button=1;
1008: } elsif ($award eq 'EXCESS_FILESIZE') {
1009: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
1010: $css_class=$possible_class{'not_charged_try'};
1011: $button=1;
1012: } elsif ($award eq 'FILENAME_INUSE') {
1013: $message = &mt('You have already uploaded a file with that filename.');
1014: if ($target eq 'tex') {
1015: $message.= "\\\\\n";
1016: } else {
1017: $message .= '<br />';
1018: }
1019: $message .= &mt('Please use a different file name.');
1020: $css_class=$possible_class{'not_charged_try'};
1021: $button=1;
1022: } elsif ($award eq 'INVALID_FILETYPE') {
1023: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1024: $css_class=$possible_class{'not_charged_try'};
1025: $button=1;
1026: } elsif ($award eq 'SIG_FAIL') {
1027: my ($used,$min,$max)=split(':',$awardmsg);
1028: my $word = ($used < $min) ? 'more' : 'fewer';
1029: $message = &mt("Submission not graded. Use $word digits.",$used);
1030: $css_class=$possible_class{'not_charged_try'};
1031: $button=1;
1032: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1033: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1034: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1035: $css_class=$possible_class{'not_charged_try'};
1036: $button=1;
1037: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1038: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1039: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1040: $css_class=$possible_class{'not_charged_try'};
1041: $button=1;
1042: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1043: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1044: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1045: $css_class=$possible_class{'not_charged_try'};
1046: $button=1;
1047: } elsif ($award eq 'UNIT_NOTNEEDED') {
1048: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1049: $css_class=$possible_class{'not_charged_try'};
1050: $button=1;
1051: } elsif ($award eq 'NO_UNIT') {
1052: $message = &mt("Units required").'.';
1053: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1054: $css_class=$possible_class{'not_charged_try'};
1055: $button=1;
1056: } elsif ($award eq 'COMMA_FAIL') {
1057: $message = &mt("Proper comma separation is required").'.';
1058: $css_class=$possible_class{'not_charged_try'};
1059: $button=1;
1060: } elsif ($award eq 'BAD_FORMULA') {
1061: $message = &mt("Unable to understand formula").'.';
1062: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1063: $css_class=$possible_class{'not_charged_try'};
1064: $button=1;
1065: } elsif ($award eq 'NOT_FUNCTION') {
1066: $message = &mt("Not a function").'.';
1067: $css_class=$possible_class{'not_charged_try'};
1068: $button=1;
1069: } elsif ($award eq 'WRONG_FORMAT') {
1070: $message = &mt("Wrong format").'.';
1071: $css_class=$possible_class{'not_charged_try'};
1072: $button=1;
1073: } elsif ($award eq 'INTERNAL_ERROR') {
1074: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1075: $css_class=$possible_class{'not_charged_try'};
1076: $button=1;
1077: } elsif ($award eq 'INCORRECT') {
1078: $message = &mt("Incorrect").'.';
1079: $css_class=$possible_class{'charged_try'};
1080: $button=1;
1081: } elsif ($award eq 'SUBMITTED') {
1082: $message = &mt("Your submission has been recorded.");
1083: $css_class=$possible_class{'no_grade'};
1084: $button=1;
1085: } elsif ($award eq 'SUBMITTED_CREDIT') {
1086: $message = &mt("Your submission has been recorded, and credit awarded.");
1087: $css_class=$possible_class{'correct'};
1088: $button=1;
1089: } elsif ($award eq 'ANONYMOUS') {
1090: $message = &mt("Your anonymous submission has been recorded.");
1091: $css_class=$possible_class{'no_grade'};
1092: $button=1;
1093: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1094: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1095: $css_class=$possible_class{'correct'};
1096: $button=1;
1097: } elsif ($award eq 'DRAFT') {
1098: $message = &mt("Copy saved but not submitted.");
1099: $css_class=$possible_class{'not_charged_try'};
1100: $button=1;
1101: } elsif ($award eq 'ASSIGNED_SCORE') {
1102: $message = &mt("A score has been assigned.");
1103: $css_class=$possible_class{'correct'};
1104: $button=0;
1105: } elsif ($award eq '') {
1106: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1107: $message = &mt("Nothing submitted.");
1108: $css_class=$possible_class{'charged_try'};
1109: } else {
1110: $css_class=$possible_class{'not_charged_try'};
1111: }
1112: $button=1;
1113: } else {
1114: $message = &mt("Unknown message").": $award";
1115: $button=1;
1116: }
1117: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1118: foreach my $resid(@Apache::inputtags::response){
1119: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1120: if ($target eq 'tex') {
1121: $message.= "\\\\\n";
1122: } else {
1123: $message.='<br />';
1124: }
1125: my @files = split(/\s*,\s*/,
1126: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1127: my $file_msg;
1128: foreach my $file (@files) {
1129: if ($target eq 'tex') {
1130: $file_msg.= "\\\\\n".$file;
1131: } else {
1132: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1133: }
1134: }
1135: $message .= &mt('Returned file(s): [_1]',$file_msg);
1136: if ($target eq 'tex') {
1137: $message.= "\\\\\n";
1138: } else {
1139: $message.='<br />';
1140: }
1141: }
1142: }
1143:
1144: if (&Apache::lonhomework::hide_problem_status()
1145: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1146: && &hide_award($award)) {
1147: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1148: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1149: if ($interval[0] =~ /\d+/) {
1150: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1151: if (defined($first_access)) {
1152: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1153: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1154: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1155: }
1156: }
1157: }
1158: $css_class=$possible_class{'no_grade'};
1159: $button=1;
1160: }
1161: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1162: !$added_computer_text && $target ne 'tex') {
1163: $message.= $computer;
1164: $added_computer_text=1;
1165: }
1166: if ($Apache::lonhomework::type eq 'practice') {
1167: if ($target eq 'web') {
1168: $message .= '<br />';
1169: } else {
1170: $message .= ' ';
1171: }
1172: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1173: }
1174: return ($button,$css_class,$message,$previousmsg);
1175: }
1176:
1177: sub markup_unit {
1178: my ($unit,$target)=@_;
1179: if ($target eq 'tex') {
1180: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1181: } else {
1182: return "<tt>".$unit."</tt>";
1183: }
1184: }
1185:
1186: sub removealldata {
1187: my ($id)=@_;
1188: foreach my $key (keys(%Apache::lonhomework::results)) {
1189: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1190: &Apache::lonxml::debug("Removing $key");
1191: delete($Apache::lonhomework::results{$key});
1192: }
1193: }
1194: }
1195:
1196: sub hidealldata {
1197: my ($id)=@_;
1198: foreach my $key (keys(%Apache::lonhomework::results)) {
1199: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1200: &Apache::lonxml::debug("Hidding $key");
1201: my $newkey=$key;
1202: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1203: $Apache::lonhomework::results{$newkey}=
1204: $Apache::lonhomework::results{$key};
1205: delete($Apache::lonhomework::results{$key});
1206: }
1207: }
1208: }
1209:
1210: sub setgradedata {
1211: my ($award,$msg,$id,$previously_used) = @_;
1212: if ($Apache::lonhomework::scantronmode &&
1213: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1214: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1215: } elsif ($Apache::lonhomework::scantronmode &&
1216: $env{'form.CODE'} eq '' &&
1217: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1218: $Apache::lonhomework::results{"resource.CODE"}='';
1219: }
1220:
1221: if (!$Apache::lonhomework::scantronmode &&
1222: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1223: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1224: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1225: return '';
1226: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1227: || $Apache::lonhomework::scantronmode
1228: || &Apache::lonhomework::hide_problem_status() ) {
1229: # the student doesn't already have it correct,
1230: # or we are in a mode (scantron orno problem status) where a correct
1231: # can become incorrect
1232: # handle assignment of tries and solved status
1233: my $solvemsg;
1234: if ($Apache::lonhomework::scantronmode) {
1235: $solvemsg='correct_by_scantron';
1236: } else {
1237: $solvemsg='correct_by_student';
1238: }
1239: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1240: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1241: }
1242: if ( $award eq 'ASSIGNED_SCORE') {
1243: $Apache::lonhomework::results{"resource.$id.tries"} =
1244: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1245: $Apache::lonhomework::results{"resource.$id.solved"} =
1246: $solvemsg;
1247: my $numawards=scalar(@Apache::inputtags::response);
1248: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1249: foreach my $res (@Apache::inputtags::response) {
1250: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1251: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1252: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1253: } else {
1254: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1255: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1256: }
1257: }
1258: if ($numawards > 0) {
1259: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1260: $numawards;
1261: }
1262: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1263: $Apache::lonhomework::results{"resource.$id.tries"} =
1264: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1265: $Apache::lonhomework::results{"resource.$id.solved"} =
1266: $solvemsg;
1267: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1268: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1269: $Apache::lonhomework::results{"resource.$id.tries"} =
1270: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1271: $Apache::lonhomework::results{"resource.$id.solved"} =
1272: 'credit_attempted';
1273: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1274: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1275: $Apache::lonhomework::results{"resource.$id.tries"} =
1276: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1277: $Apache::lonhomework::results{"resource.$id.solved"} =
1278: 'credit_attempted';
1279: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1280: } elsif ( $award eq 'INCORRECT' ) {
1281: $Apache::lonhomework::results{"resource.$id.tries"} =
1282: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1283: if (&Apache::lonhomework::hide_problem_status()
1284: || $Apache::lonhomework::scantronmode) {
1285: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1286: }
1287: $Apache::lonhomework::results{"resource.$id.solved"} =
1288: 'incorrect_attempted';
1289: } elsif ( $award eq 'SUBMITTED' ) {
1290: $Apache::lonhomework::results{"resource.$id.tries"} =
1291: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1292: $Apache::lonhomework::results{"resource.$id.solved"} =
1293: 'ungraded_attempted';
1294: } elsif ( $award eq 'ANONYMOUS' ) {
1295: $Apache::lonhomework::results{"resource.$id.tries"} =
1296: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1297: $Apache::lonhomework::results{"resource.$id.solved"} =
1298: 'ungraded_attempted';
1299: } elsif ( $award eq 'DRAFT' ) {
1300: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1301: } elsif ( $award eq 'NO_RESPONSE' ) {
1302: #no real response so delete any data that got stored
1303: &removealldata($id);
1304: return '';
1305: } else {
1306: $Apache::lonhomework::results{"resource.$id.solved"} =
1307: 'incorrect_attempted';
1308: if (&Apache::lonhomework::show_no_problem_status()
1309: || $Apache::lonhomework::scantronmode) {
1310: $Apache::lonhomework::results{"resource.$id.tries"} =
1311: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1312: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1313: }
1314:
1315: if (&Apache::lonhomework::show_some_problem_status()) {
1316: # clear out the awarded if they had gotten it wrong/right
1317: # and are now in an error mode
1318: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1319: }
1320: }
1321: if (defined($msg)) {
1322: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1323: }
1324: # did either of the overall awards chage? If so ignore the
1325: # previous check
1326: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1327: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1328: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1329: $Apache::lonhomework::history{"resource.$id.solved"})) {
1330: # check if this was a previous submission if it was delete the
1331: # unneeded data and update the previously_used attribute
1332: if ( $previously_used eq 'PREVIOUSLY_USED') {
1333: if (&Apache::lonhomework::show_problem_status()) {
1334: delete($Apache::lonhomework::results{"resource.$id.tries"});
1335: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1336: }
1337: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1338: #delete all data as they student didn't do anything, but save
1339: #the list of collaborators.
1340: &removealldata($id);
1341: #and since they didn't do anything we were never here
1342: return '';
1343: } else {
1344: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1345: }
1346: }
1347: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1348: #delete all data as they student already has it correct
1349: &removealldata($id);
1350: #and since they didn't do anything we were never here
1351: return '';
1352: }
1353: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1354: if ($award eq 'SUBMITTED') {
1355: &Apache::response::add_to_gradingqueue();
1356: }
1357: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1358: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1359: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1360: $Apache::lonhomework::results{"resourse.$id.version"} = &Apache::lonnet::usedversion();
1361: }
1362:
1363: sub find_which_previous {
1364: my ($version) = @_;
1365: my $part = $Apache::inputtags::part;
1366: my (@previous_version);
1367: foreach my $resp (@Apache::inputtags::response) {
1368: my $key = "$version:resource.$part.$resp.submission";
1369: my $submission = $Apache::lonhomework::history{$key};
1370: my %previous = &Apache::response::check_for_previous($submission,
1371: $part,$resp,
1372: $version);
1373: push(@previous_version,$previous{'version'});
1374: }
1375: return &previous_match(\@previous_version,
1376: scalar(@Apache::inputtags::response));
1377: }
1378:
1379: sub previous_match {
1380: my ($previous_array,$count) = @_;
1381: my $match = 0;
1382: my @matches;
1383: foreach my $versionar (@$previous_array) {
1384: foreach my $version (@$versionar) {
1385: $matches[$version]++;
1386: }
1387: }
1388: my $which=0;
1389: foreach my $elem (@matches) {
1390: if ($elem eq $count) {
1391: $match=1;
1392: last;
1393: }
1394: $which++;
1395: }
1396: return ($match,$which);
1397: }
1398:
1399: sub grade {
1400: my ($target) = @_;
1401: my $id = $Apache::inputtags::part;
1402: my $response='';
1403: if ( defined $env{'form.submitted'}) {
1404: my (@awards,@msgs);
1405: foreach $response (@Apache::inputtags::response) {
1406: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1407: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1408: &Apache::lonxml::debug("keeping $value from $response for $id");
1409: push (@awards,$value);
1410: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1411: &Apache::lonxml::debug("got message $value from $response for $id");
1412: push (@msgs,$value);
1413: }
1414: my ($finalaward,$msg) =
1415: &finalizeawards(\@awards,\@msgs,undef,undef,
1416: $Apache::lonhomework::scantronmode);
1417: my $previously_used;
1418: if ( $#Apache::inputtags::previous eq $#awards ) {
1419: my ($match) =
1420: &previous_match(\@Apache::inputtags::previous_version,
1421: scalar(@Apache::inputtags::response));
1422:
1423: if ($match) {
1424: $previously_used = 'PREVIOUSLY_LAST';
1425: foreach my $value (@Apache::inputtags::previous) {
1426: if ($value eq 'PREVIOUSLY_USED' ) {
1427: $previously_used = $value;
1428: last;
1429: }
1430: }
1431: }
1432: }
1433: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1434: &setgradedata($finalaward,$msg,$id,$previously_used);
1435: }
1436: return '';
1437: }
1438:
1439: sub get_grade_messages {
1440: my ($id,$prefix,$target,$status,$nocorrect) = @_;
1441: # nocorrect suppresses "Computer's answer now shown above"
1442: my ($message,$latemessage,$trystr,$previousmsg);
1443: my $showbutton = 1;
1444:
1445: my $award = $Apache::lonhomework::history{"$prefix.award"};
1446: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1447: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1448: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1449: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1450: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1451: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1452: &Apache::lonxml::debug('Getting message');
1453: ($showbutton,my $css_class,$message,$previousmsg) =
1454: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1455: $target,(($status eq 'CAN_ANSWER') || $nocorrect));
1456: if ($target eq 'tex') {
1457: $message='\vskip 2 mm '.$message.' ';
1458: } else {
1459: $message="<td class=\"$css_class\">$message</td>";
1460: if ($previousmsg) {
1461: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1462: }
1463: }
1464: }
1465: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1466: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1467: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1468: #if tries are set to negative turn off the Tries/Button and messages
1469: if (defined($maxtries) && $maxtries < 0) { return ''; }
1470: if ( $tries eq '' ) { $tries = '0'; }
1471: if ( $maxtries eq '' ) { $maxtries = '2'; }
1472: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1473: my $tries_text= &get_tries_text();
1474: if ($showbutton) {
1475: if ($target eq 'tex') {
1476: if ($env{'request.state'} ne "construct"
1477: && $Apache::lonhomework::type ne 'exam'
1478: && $env{'form.suppress_tries'} ne 'yes') {
1479: $trystr ='{\vskip 1 mm \small '
1480: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1481: ,'\textit{','}',$tries.'/'.$maxtries )
1482: .'} \vskip 2 mm';
1483: } else {
1484: $trystr = '\vskip 0 mm ';
1485: }
1486: } else {
1487: my $trial =$tries;
1488: if ($Apache::lonhomework::parsing_a_task) {
1489: } elsif($env{'request.state'} ne 'construct') {
1490: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1491: } else {
1492: if (defined($Apache::inputtags::params{'maxtries'})) {
1493: $trial.="/".$Apache::inputtags::params{'maxtries'};
1494: }
1495: }
1496: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1497: }
1498: }
1499:
1500: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1501: #last submissions was after due date
1502: $latemessage=&mt(' The last submission was after the Due Date ');;
1503: if ($target eq 'web') {
1504: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1505: }
1506: }
1507: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1508: }
1509:
1510: sub gradestatus {
1511: my ($id,$target,$no_previous) = @_;
1512: my $showbutton = 1;
1513: my $message = '';
1514: my $latemessage = '';
1515: my $trystr='';
1516: my $button='';
1517: my $previousmsg='';
1518:
1519: my $status = $Apache::inputtags::status['-1'];
1520: &Apache::lonxml::debug("gradestatus has :$status:");
1521: if ( $status ne 'CLOSED'
1522: && $status ne 'UNAVAILABLE'
1523: && $status ne 'INVALID_ACCESS'
1524: && $status ne 'NEEDS_CHECKIN'
1525: && $status ne 'NOT_IN_A_SLOT'
1526: && $status ne 'RESERVABLE'
1527: && $status ne 'RESERVABLE_LATER'
1528: && $status ne 'NOTRESERVABLE') {
1529:
1530: if ($status eq 'SHOW_ANSWER') {
1531: $showbutton = 0;
1532: }
1533:
1534: ($previousmsg,$latemessage,$message,$trystr) =
1535: &get_grade_messages($id,"resource.$id",$target,$status,
1536: $showbutton);
1537: if ($status eq 'CANNOT_ANSWER') {
1538: $showbutton = 0;
1539: }
1540: if ( $status eq 'SHOW_ANSWER') {
1541: undef($previousmsg);
1542: }
1543: if ( $showbutton ) {
1544: if ($target ne 'tex') {
1545: $button =
1546: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1547: type="submit" name="submit_'.$id.'"
1548: value="'.&mt('Submit Answer').'" />';
1549: }
1550: }
1551:
1552: }
1553: my $output= $previousmsg.$latemessage.$message.$trystr;
1554: if ($output =~ /^\s*$/) {
1555: return $button;
1556: } else {
1557: if ($target eq 'tex') {
1558: return $button.' \vskip 0 mm '.$output.' ';
1559: } else {
1560: $output =
1561: '<table><tr><td>'.$button.'</td>'.$output;
1562: if (!$no_previous) {
1563: $output.='<td>'.&previous_tries($id,$target).'</td>';
1564: }
1565: $output.= '</tr></table>';
1566: return $output;
1567: }
1568: }
1569: }
1570:
1571: sub previous_tries {
1572: my ($id,$target) = @_;
1573: my $output;
1574: my $status = $Apache::inputtags::status['-1'];
1575:
1576: my $count;
1577: my %count_lookup;
1578: my $lastrndseed;
1579:
1580: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1581: my $prefix = $i.":resource.$id";
1582: my $is_anon;
1583: if (defined($env{'form.grade_symb'})) {
1584: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1585: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1586: $is_anon = 1;
1587: }
1588: }
1589: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1590: $count++;
1591: $count_lookup{$i} = $count;
1592: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1593: my ($previousmsg,$latemessage,$message,$trystr);
1594:
1595: ($previousmsg,$latemessage,$message,$trystr) =
1596: &get_grade_messages($id,"$prefix",$target,$status);
1597:
1598: if ($previousmsg ne '') {
1599: my ($match,$which) = &find_which_previous($i);
1600: $message=$previousmsg;
1601: my $previous = $count_lookup{$which};
1602: $message =~ s{(</td>)}{ as submission \# $previous $1};
1603: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1604: if (!(&Apache::lonhomework::hide_problem_status()
1605: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1606: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1607: ) {
1608:
1609: my $txt_correct = &mt('Correct');
1610: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1611: if ($awarded < 1 && $awarded > 0) {
1612: $txt_correct=&mt('Partially Correct');
1613: } elsif ($awarded < 1) {
1614: if ($awarded eq '') {
1615: $txt_correct='';
1616: } else {
1617: $txt_correct=&mt('Incorrect');
1618: }
1619: }
1620: $message =~ s{(<td.*?>)(.*?)(</td>)}
1621: {$1 <strong>$txt_correct</strong>. $3}s;
1622: }
1623: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1624: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1625: if ($curr_rndseed ne $lastrndseed) {
1626: $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>';
1627: }
1628: }
1629: $message =~ s{(</td>)}{ $trystr $1};
1630: }
1631: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1632: $message =~ s{(<td.*?>)}{<td>};
1633:
1634:
1635: $output.='<tr class="'.$class.'">';
1636: $output.='<td align="center">'.$count.'</td>';
1637: $output.=$message;
1638:
1639: foreach my $resid (@Apache::inputtags::response) {
1640: my $prefix = $prefix.".$resid";
1641: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1642: my $submission =
1643: $Apache::inputtags::submission_display{"$prefix.submission"};
1644: if (!defined($submission)) {
1645: $submission =
1646: $Apache::lonhomework::history{"$prefix.submission"};
1647: }
1648: if ($is_anon) {
1649: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1650: } else {
1651: $output.='<td>'.$submission.'</td>';
1652: }
1653: } else {
1654: $output.='<td></td>';
1655: }
1656: }
1657: $output.=&Apache::loncommon::end_data_table_row()."\n";
1658: $lastrndseed = $curr_rndseed;
1659: }
1660: return if ($output eq '');
1661: my $headers =
1662: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1663: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1664: &mt('Submitted Answer').'</th>';
1665: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1666:
1667: my $tries_text = &get_tries_text('link');
1668: my $prefix = $env{'form.request.prefix'};
1669: $prefix =~ tr{.}{_};
1670: my $function_name = "LONCAPA_previous_tries_".$prefix.
1671: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1672: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1673: return $result;
1674: }
1675:
1676: sub get_tries_text {
1677: my ($context) = @_;
1678: my $tries_text;
1679: if ($context eq 'link') {
1680: $tries_text = 'Previous Tries';
1681: } else {
1682: $tries_text = 'Tries';
1683: }
1684: if ( $Apache::lonhomework::type eq 'survey' ||
1685: $Apache::lonhomework::type eq 'surveycred' ||
1686: $Apache::lonhomework::type eq 'anonsurvey' ||
1687: $Apache::lonhomework::type eq 'anonsurveycred' ||
1688: $Apache::lonhomework::parsing_a_task) {
1689: if ($context eq 'link') {
1690: $tries_text = 'Previous Submissions';
1691: } else {
1692: $tries_text = 'Submissions';
1693: }
1694: }
1695: return $tries_text;
1696: }
1697:
1698: 1;
1699: __END__
1700:
1701: =pod
1702:
1703: =back
1704:
1705: =cut
1706:
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