1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.271.2.9 2011/10/10 17:47:58 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: 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: $oldresponse = &HTML::Entities::encode($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"';
201: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
202: 'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass.'>'.
203: $oldresponse;
204: if ($oldresponse ne '') {
205:
206: #get rid of any startup text if the user has already responded
207: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
208: }
209: } else {
210: #show past answer in the essayresponse case
211: if ($oldresponse =~ /\S/
212: && &Apache::londefdef::is_inside_of($tagstack,
213: 'essayresponse') ) {
214: $result='<table class="LC_pastsubmission"><tr><td>'.
215: $oldresponse.'</td></tr></table>';
216: }
217: #get rid of any startup text
218: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
219: }
220: } elsif ($target eq 'grade') {
221: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
222: $style);
223: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
224: # if the seed text is still there it wasn't a real submission
225: $env{'form.HWVAL_'.$resid}='';
226: }
227: } elsif ($target eq 'edit') {
228: $result.=&Apache::edit::tag_start($target,$token);
229: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
230: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
231: $result.=&Apache::edit::text_arg
232: ('Click-On Texts (comma sep):','addchars',$token,10);
233: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
234: $style);
235: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
236: } elsif ($target eq 'modified') {
237: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
238: $safeeval,'rows','cols',
239: 'addchars');
240: if ($constructtag) {
241: $result = &Apache::edit::rebuild_tag($token);
242: } else {
243: $result=$token->[4];
244: }
245: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
246: } elsif ($target eq 'tex') {
247: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
248: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
249: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
250: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
251: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
252: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
253: } else {
254: my $TeXwidth=$width_of_box/80;
255: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
256: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
257: $result.='}}}\vskip 2 mm ';
258: }
259: }
260: return $result;
261: }
262:
263: sub end_textfield {
264: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
265: my $result;
266: if ($target eq 'web') {
267: $Apache::lonxml::evaluate++;
268: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
269: return "</textarea>";
270: }
271: } elsif ($target eq 'edit') {
272: $result=&Apache::edit::end_table();
273: }
274: &end_input;
275: return $result;
276: }
277:
278: sub exam_score_line {
279: my ($target) = @_;
280:
281: my $result;
282: if ($target eq 'tex') {
283: my $repetition = &Apache::response::repetition();
284: $result.='\begin{enumerate}';
285: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
286: foreach my $i (0..$repetition-1) {
287: $result.='\item[\textbf{'.
288: ($Apache::lonxml::counter+$i).
289: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
290: }
291: $result.= '\end{enumerate}';
292: }
293:
294: return $result;
295: }
296:
297: sub exam_box {
298: my ($target) = @_;
299: my $result;
300:
301: if ($target eq 'tex') {
302: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
303: $result .= &exam_score_line($target);
304: } elsif ($target eq 'web') {
305: my $id=$Apache::inputtags::response[-1];
306: $result.= '<br /><br />
307: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
308: </textarea> <br /><br />';
309: }
310: return $result;
311: }
312:
313: sub needs_exam_box {
314: my ($tagstack) = @_;
315: my @tags = ('formularesponse',
316: 'stringresponse',
317: 'reactionresponse',
318: 'organicresponse',
319: );
320:
321: foreach my $tag (@tags) {
322: if (grep(/\Q$tag\E/,@$tagstack)) {
323: return 1;
324: }
325: }
326: return 0;
327: }
328:
329: sub start_textline {
330: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
331: my $result = "";
332: my $input_id = &start_input($parstack,$safeeval);
333: if ($target eq 'web') {
334: $Apache::lonxml::evaluate--;
335: my $partid=$Apache::inputtags::part;
336: my $id=$Apache::inputtags::response[-1];
337: if (!&Apache::response::show_answer()) {
338: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
339: my $maxlength;
340: if ($size eq '') { $size=20; } else {
341: if ($size < 20) {
342: $maxlength = ' maxlength="'.$size.'"';
343: }
344: }
345: my ($oldresponse,$newvariation);
346: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
347: ($Apache::lonhomework::type eq 'randomizetry')) &&
348: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
349: if ($env{'form.'.$partid.'.rndseed'} ne
350: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
351: $newvariation = 1;
352: }
353: }
354: unless ($newvariation) {
355: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
356: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
357:
358: if (ref($oldresponse) eq 'ARRAY') {
359: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
360: }
361: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
362: $oldresponse =~ s/^\s+//;
363: $oldresponse =~ s/\s+$//;
364: $oldresponse =~ s/\s+/ /g;
365: }
366: if ($Apache::lonhomework::type ne 'exam') {
367: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
368: $result='';
369: if ($addchars) {
370: $result.=&addchars('HWVAL_'.$id,$addchars);
371: }
372: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
373: $safeeval);
374: if (lc($readonly) eq 'yes'
375: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
376: $readonly=' readonly="readonly" ';
377: } else {
378: $readonly='';
379: }
380: my $name = 'HWVAL_'.$id;
381: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
382: $name = "none";
383: }
384: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');" type="text" '.$readonly.' name="'.$name.'" value="'.
385: $oldresponse.'" size="'.$size.'"'.$maxlength.' />';
386: }
387: if ($Apache::lonhomework::type eq 'exam'
388: && &needs_exam_box($tagstack)) {
389: $result.=&exam_box($target);
390: }
391: } else {
392: #right or wrong don't show what was last typed in.
393: my $count = scalar(@Apache::inputtags::inputlist)-1;
394: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
395: #$result='';
396: }
397: } elsif ($target eq 'edit') {
398: $result=&Apache::edit::tag_start($target,$token);
399: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
400: &Apache::edit::text_arg('Click-On Texts (comma sep):',
401: 'addchars',$token,10);
402: $result.=&Apache::edit::select_arg('Readonly:','readonly',
403: ['no','yes'],$token);
404: $result.=&Apache::edit::end_row();
405: $result.=&Apache::edit::end_table();
406: } elsif ($target eq 'modified') {
407: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
408: $safeeval,'size',
409: 'addchars','readonly');
410: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
411: } elsif ($target eq 'tex'
412: && $Apache::lonhomework::type ne 'exam') {
413: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
414: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
415: if ($env{'form.pdfFormFields'} eq 'yes'
416: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
417: my $fieldname = $env{'request.symb'}.
418: '&part_'. $Apache::inputtags::part.
419: '&textresponse'.
420: '&HWVAL_' . $Apache::inputtags::response['-1'];
421: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
422: } else {
423: $result='\framebox['.$size.'][s]{\tiny\strut}';
424: }
425: } elsif ($target eq 'tex'
426: && $Apache::lonhomework::type eq 'exam'
427: && &needs_exam_box($tagstack)) {
428: $result.=&exam_box($target);
429: }
430: return $result;
431: }
432:
433: sub end_textline {
434: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
435: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
436: elsif ($target eq 'edit') { return ('','no'); }
437: &end_input();
438: return "";
439: }
440:
441: sub start_hiddenline {
442: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
443: my $result = "";
444: my $input_id = &start_input($parstack,$safeeval);
445: if ($target eq 'web') {
446: $Apache::lonxml::evaluate--;
447: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
448: my $partid=$Apache::inputtags::part;
449: my $id=$Apache::inputtags::response[-1];
450: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
451: if (ref($oldresponse) eq 'ARRAY') {
452: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
453: }
454: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
455:
456: if ($Apache::lonhomework::type ne 'exam') {
457: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
458: $oldresponse.'" />';
459: }
460: }
461: } elsif ($target eq 'edit') {
462: $result=&Apache::edit::tag_start($target,$token);
463: $result.=&Apache::edit::end_table;
464: }
465:
466: if ( ($target eq 'web' || $target eq 'tex')
467: && $Apache::lonhomework::type eq 'exam'
468: && &needs_exam_box($tagstack)) {
469: $result.=&exam_box($target);
470: }
471: return $result;
472: }
473:
474: sub end_hiddenline {
475: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
476: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
477: elsif ($target eq 'edit') { return ('','no'); }
478: &end_input();
479: return "";
480: }
481:
482: sub start_hiddensubmission {
483: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
484: my $result = "";
485: my $input_id = &start_input($parstack,$safeeval);
486: if ($target eq 'web') {
487: $Apache::lonxml::evaluate--;
488: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
489: my $partid=$Apache::inputtags::part;
490: my $id=$Apache::inputtags::response[-1];
491: if ($Apache::lonhomework::type ne 'exam') {
492: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
493: $value = &HTML::Entities::encode($value,'<>&"');
494: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
495: }
496: }
497: } elsif ($target eq 'edit') {
498: $result=&Apache::edit::tag_start($target,$token);
499: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
500: $result.=&Apache::edit::end_row();
501: $result.=&Apache::edit::end_table();
502: } elsif ($target eq 'modified') {
503: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
504: $safeeval,'value');
505: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
506: }
507:
508: if ( ($target eq 'web' || $target eq 'tex')
509: && $Apache::lonhomework::type eq 'exam'
510: && &needs_exam_box($tagstack)) {
511: $result.=&exam_box($target);
512: }
513: return $result;
514: }
515:
516: sub end_hiddensubmission {
517: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
518: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
519: elsif ($target eq 'edit') { return ('','no'); }
520: &end_input();
521: return "";
522: }
523:
524: =pod
525:
526: =item file_selector()
527:
528: $part -> partid
529: $id -> responseid
530: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
531: $which -> 'uploadonly' -> only newly uploaded files
532: 'portfolioonly' -> only allow files from portfolio
533: 'both' -> allow files from either location
534: $extratext -> additional text to go between the link and the input box
535: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
536: returns a table row <tr>
537:
538: =cut
539:
540: sub file_selector {
541: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
542: if (!$uploadedfiletypes) { return ''; }
543:
544: my $jspart=$part;
545: $jspart=~s/\./_/g;
546:
547: my $result;
548: my $current_files_display = ¤t_file_submissions($part,$id);
549: my $addfiles;
550: if ($current_files_display) {
551: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
552: $current_files_display.
553: &Apache::lonhtmlcommon::row_closure();
554: $addfiles = &mt('Submit other file(s)');
555: } else {
556: $addfiles = &mt('Choose file(s) to submit');
557: }
558: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
559: my $constraints;
560: if ($uploadedfiletypes ne '*') {
561: $constraints =
562: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
563: }
564: if ($maxfilesize) {
565: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].',
566: '<b>'.$maxfilesize.'</b>').'<br />';
567: }
568: if ($constraints) {
569: $result .= $constraints.'<br />';
570: }
571: if ($which eq 'uploadonly' || $which eq 'both') {
572: $result.=&mt('Submit a file: (only one file per submission)').
573: ' <br /><input type="file" size="50" name="HWFILE'.
574: $jspart.'_'.$id.'" /><br />';
575: }
576: if ( $which eq 'both') {
577: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
578: }
579: if ($which eq 'portfolioonly' || $which eq 'both') {
580: $result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&fieldname='.$env{'form.request.prefix'}.'HWPORT'.$jspart.'_'.$id.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'.
581: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
582: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
583: '<br />';
584:
585: }
586: $result.=&Apache::lonhtmlcommon::row_closure(1);
587: return $result;
588: }
589:
590: sub current_file_submissions {
591: my ($part,$id) = @_;
592: my $jspart=$part;
593: $jspart=~s/\./_/g;
594: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
595: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
596: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
597: my $header = &Apache::loncommon::start_data_table().
598: &Apache::loncommon::start_data_table_header_row();
599: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
600: $header .= '<th>'.&mt('Delete?').'</th>';
601: }
602: $header .= '<th>'.&mt('File').'</th>'.
603: '<th>'.&mt('Size (MB)').'</th>'.
604: '<th>'.&mt('Last Modified').'</th>'.
605: &Apache::loncommon::end_data_table_header_row();
606: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
607: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
608: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
609: if ($uploadedfile) {
610: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
611: my $link = &HTML::Entities::encode($url,'<>&"');
612: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
613: my ($status,$hashref,$error) =
614: ¤t_file_info($url,$link,$name,$path);
615: if ($status eq 'ok') {
616: push(@{$okfiles{$name}},$url);
617: $rows{$url} = $hashref;
618: $legacy{$url} = 1;
619: &Apache::lonxml::extlink($url);
620: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
621: } else {
622: push(@bad_file_list,$error);
623: }
624: }
625: if ($portfiles =~ /[^\s]/) {
626: my $prefix = "/uploaded/$udom/$uname/portfolio";
627: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
628: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
629: my $url = $prefix.$path.$name;
630: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
631: my ($status,$hashref,$error) =
632: ¤t_file_info($url,$uploadedfile,$name,$path);
633: if ($status eq 'ok') {
634: push(@{$okfiles{$name}},$url);
635: $rows{$url} = $hashref;
636: } else {
637: push(@bad_file_list,$error);
638: }
639: }
640: }
641: my $num = 0;
642: foreach my $name (sort(keys(%okfiles))) {
643: if (ref($okfiles{$name}) eq 'ARRAY') {
644: foreach my $url (@{$okfiles{$name}}) {
645: if (ref($rows{$url}) eq 'HASH') {
646: my $link = $rows{$url}{link};
647: my $portfile = $rows{$url}{path}.$rows{$url}{name};
648: $portfile = &HTML::Entities::encode($portfile,'<>&"');
649: if ($link) {
650: my $icon=&Apache::loncommon::icon($url);
651: unless ($header_shown) {
652: $result .= $header;
653: $header_shown = 1;
654: }
655: $result.=
656: &Apache::loncommon::start_data_table_row()."\n";
657: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
658: $result .=
659: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
660: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
661: $num ++;
662: }
663: my $showname = $rows{$url}{path}.$name;
664: if ($legacy{$url}) {
665: $showname = $name.' '.&mt('not in portfolio');
666: }
667: $result .=
668: '<td><a href="'.$link.'"><img src="'.$icon.
669: '" border="0" alt="" />'.$showname.'</a></td>'."\n".
670: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
671: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
672: &Apache::loncommon::end_data_table_row();
673: }
674: }
675: }
676: }
677: }
678: if ($header_shown) {
679: $result .= &Apache::loncommon::end_data_table().
680: '<br /><span class="LC_warning">'.
681: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
682: }
683: if (@bad_file_list) {
684: my $bad_files = '<span class="LC_filename">'.
685: join('</span>, <span class="LC_filename">',@bad_file_list).
686: '</span>';
687: $result.='<p class="LC_error">'.
688: &mt("These file(s) don't exist: [_1]",$bad_files).
689: '</p>';
690: }
691: return $result;
692: }
693:
694: sub current_file_info {
695: my ($url,$uploadedfile,$name,$path) = @_;
696: my ($status,$error,%info);
697: my @stat = &Apache::lonnet::stat_file($url);
698: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
699: my ($lastmod,$size);
700: if ($stat[9] =~ /^\d+$/) {
701: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
702: }
703: $size = $stat[7]/(1024*1024);
704: $size = sprintf("%.3f",$size);
705: %info = (
706: link => $uploadedfile,
707: name => $name,
708: path => $path,
709: size => $size,
710: lastmodified => $lastmod,
711: );
712: $status = 'ok';
713: } else {
714: &Apache::lonnet::logthis("bad file is $url");
715: my $icon=&Apache::loncommon::icon($url);
716: $error = '<a href="'.$url.'"><img src="'.$icon.
717: '" border="0" />'.$uploadedfile.'</a>';
718: }
719: return ($status,\%info,$error);
720: }
721:
722: sub valid_award {
723: my ($award) =@_;
724: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
725: 'NO_RESPONSE',
726: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
727: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
728: 'UNIT_FAIL', 'NO_UNIT',
729: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
730: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
731: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
732: 'MISORDERED_RANK', 'INVALID_FILETYPE',
733: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
734: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
735: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
736: 'ASSIGNED_SCORE', 'APPROX_ANS',
737: 'EXACT_ANS','COMMA_FAIL') {
738: if ($award eq $possibleaward) { return 1; }
739: }
740: return 0;
741: }
742:
743: {
744: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
745: 'TOO_LONG',
746: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
747: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
748: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
749: 'WRONG_FORMAT', 'INTERNAL_ERROR',
750: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
751: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
752: 'DRAFT', 'SUBMITTED',
753: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
754: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
755: my $i=0;
756: my %fwd_awards = map { ($_,$i++) } @awards;
757: my $max=scalar(@awards);
758: @awards=reverse(@awards);
759: $i=0;
760: my %rev_awards = map { ($_,$i++) } @awards;
761:
762: sub awarddetail_to_awarded {
763: my ($awarddetail) = @_;
764: if ($awarddetail eq 'EXACT_ANS'
765: || $awarddetail eq 'APPROX_ANS') {
766: return 1;
767: }
768: return 0;
769: }
770:
771: sub hide_award {
772: my ($award) = @_;
773: if (&Apache::lonhomework::show_no_problem_status()) {
774: return 1;
775: }
776: if ($award =~
777: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
778: return 1;
779: }
780: return 0;
781: }
782:
783: sub finalizeawards {
784: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
785: my $result;
786: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
787: if ($result eq '' ) {
788: my $blankcount;
789: foreach my $award (@$awardref) {
790: if ($award eq '') {
791: $result='MISSING_ANSWER';
792: $blankcount++;
793: }
794: }
795: if ($blankcount == ($#$awardref + 1)) {
796: return ('NO_RESPONSE');
797: }
798: }
799:
800: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
801:
802: if (!$final_scantron && defined($result)) { return ($result); }
803:
804: # if in scantron mode, if the award for any response is
805: # assigned score, then the part gets an assigned score
806: if ($final_scantron
807: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
808: return ('ASSIGNED_SCORE');
809: }
810:
811: # if in scantron mode, if the award for any response is
812: # correct and there are non-correct responses,
813: # then the part gets an assigned score
814: if ($final_scantron
815: && (grep { $_ eq 'EXACT_ANS' ||
816: $_ eq 'APPROX_ANS' } (@$awardref))
817: && (grep { $_ ne 'EXACT_ANS' &&
818: $_ ne 'APPROX_ANS' } (@$awardref))) {
819: return ('ASSIGNED_SCORE');
820: }
821: # these awards are ordered from most important error through best correct
822: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
823:
824: my $best = $max;
825: my $j=0;
826: my $which;
827: foreach my $award (@$awardref) {
828: if ($awards->{$award} < $best) {
829: $best = $awards->{$award};
830: $which = $j;
831: }
832: $j++;
833: }
834:
835: if (defined($which)) {
836: if (ref($nameref)) {
837: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
838: } else {
839: return ($$awardref[$which],$$msgref[$which]);
840: }
841: }
842: return ('ERROR',undef);
843: }
844: }
845:
846: sub decideoutput {
847: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect)=@_;
848:
849: my $message='';
850: my $button=0;
851: my $previousmsg;
852: my $css_class='orange';
853: my $added_computer_text=0;
854: my %possible_class =
855: ( 'correct' => 'LC_answer_correct',
856: 'charged_try' => 'LC_answer_charged_try',
857: 'not_charged_try' => 'LC_answer_not_charged_try',
858: 'no_grade' => 'LC_answer_no_grade',
859: 'no_message' => 'LC_no_message',
860: );
861:
862: my $part = $Apache::inputtags::part;
863: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
864: my $handgrade = ('yes' eq lc($tohandgrade));
865:
866: #
867: # Should "Computer's Answer" be displayed?
868: # Should not be displayed if still answerable,
869: # if the problem is handgraded,
870: # or if the problem does not give a correct answer
871: #
872: my $computer = ($handgrade || $nocorrect)? ''
873: : " ".&mt("Computer's answer now shown above.");
874: &Apache::lonxml::debug("handgrade has :$handgrade:");
875:
876: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
877:
878: if ($solved =~ /^correct/) {
879: $css_class=$possible_class{'correct'};
880: $message=&mt('You are correct.');
881: if ($awarded < 1 && $awarded > 0) {
882: $message=&mt('You are partially correct.');
883: $css_class=$possible_class{'not_charged_try'};
884: } elsif ($awarded < 1) {
885: $message=&mt('Incorrect.');
886: $css_class=$possible_class{'charged_try'};
887: }
888: if ($handgrade ||
889: ($env{'request.filename'}=~ m{/res/lib/templates/(examupload|DropBox)\.problem$})) {
890: $message = &mt("A score has been assigned.");
891: $added_computer_text=1;
892: } else {
893: if ($target eq 'tex') {
894: $message = '\textbf{'.$message.'}';
895: } else {
896: $message = "<b>".$message."</b>";
897: $message.= $computer;
898: }
899: $added_computer_text=1;
900: if ($awarded > 0) {
901: my ($symb) = &Apache::lonnet::whichuser();
902: if (($symb ne '')
903: &&
904: ($env{'course.'.$env{'request.course.id'}.
905: '.disable_receipt_display'} ne 'yes') &&
906: ($Apache::lonhomework::type ne 'practice')) {
907: $message.=(($target eq 'web')?'<br />':' ').
908: &mt('Your receipt no. is [_1]',
909: (&Apache::lonnet::receipt($Apache::inputtags::part).
910: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
911: }
912: }
913: }
914: $button=0;
915: $previousmsg='';
916: } elsif ($solved =~ /^excused/) {
917: if ($target eq 'tex') {
918: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
919: } else {
920: $message = "<b>".&mt('You are excused from the problem.')."</b>";
921: }
922: $css_class=$possible_class{'charged_try'};
923: $button=0;
924: $previousmsg='';
925: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
926: if ($solved =~ /^incorrect/ || $solved eq '') {
927: $message = &mt("Incorrect").".";
928: $css_class=$possible_class{'charged_try'};
929: $button=1;
930: } else {
931: if ($target eq 'tex') {
932: $message = '\textbf{'.&mt('You are correct.').'}';
933: } else {
934: $message = "<b>".&mt('You are correct.')."</b>";
935: $message.= $computer;
936: }
937: $added_computer_text=1;
938: if ($awarded > 0
939: && $env{'course.'.
940: $env{'request.course.id'}.
941: '.disable_receipt_display'} ne 'yes') {
942: $message.=(($target eq 'web')?'<br />':' ').
943: &mt('Your receipt is [_1]',
944: (&Apache::lonnet::receipt($Apache::inputtags::part).
945: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
946: }
947: $css_class=$possible_class{'correct'};
948: $button=0;
949: $previousmsg='';
950: }
951: } elsif ($award eq 'NO_RESPONSE') {
952: $message = '';
953: $css_class=$possible_class{'no_feedback'};
954: $button=1;
955: } elsif ($award eq 'EXTRA_ANSWER') {
956: $message = &mt('Some extra items were submitted.');
957: $css_class=$possible_class{'not_charged_try'};
958: $button = 1;
959: } elsif ($award eq 'MISSING_ANSWER') {
960: $message = &mt('Some items were not submitted.');
961: if ($target ne 'tex') {
962: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
963: }
964: $css_class=$possible_class{'not_charged_try'};
965: $button = 1;
966: } elsif ($award eq 'ERROR') {
967: $message = &mt('An error occurred while grading your answer.');
968: $css_class=$possible_class{'not_charged_try'};
969: $button = 1;
970: } elsif ($award eq 'TOO_LONG') {
971: $message = &mt("The submitted answer was too long.");
972: $css_class=$possible_class{'not_charged_try'};
973: $button=1;
974: } elsif ($award eq 'WANTED_NUMERIC') {
975: $message = &mt("This question expects a numeric answer.");
976: $css_class=$possible_class{'not_charged_try'};
977: $button=1;
978: } elsif ($award eq 'MISORDERED_RANK') {
979: $message = &mt('You have provided an invalid ranking.');
980: if ($target ne 'tex') {
981: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
982: }
983: $css_class=$possible_class{'not_charged_try'};
984: $button=1;
985: } elsif ($award eq 'EXCESS_FILESIZE') {
986: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
987: $css_class=$possible_class{'not_charged_try'};
988: $button=1;
989: } elsif ($award eq 'FILENAME_INUSE') {
990: $message = &mt('You have already uploaded a file with that filename.');
991: if ($target eq 'tex') {
992: $message.= "\\\\\n";
993: } else {
994: $message .= '<br />';
995: }
996: $message .= &mt('Please use a different file name.');
997: $css_class=$possible_class{'not_charged_try'};
998: $button=1;
999: } elsif ($award eq 'INVALID_FILETYPE') {
1000: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1001: $css_class=$possible_class{'not_charged_try'};
1002: $button=1;
1003: } elsif ($award eq 'SIG_FAIL') {
1004: my ($used,$min,$max)=split(':',$awardmsg);
1005: my $word = ($used < $min) ? 'more' : 'fewer';
1006: $message = &mt("Submission not graded. Use $word digits.",$used);
1007: $css_class=$possible_class{'not_charged_try'};
1008: $button=1;
1009: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1010: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1011: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1012: $css_class=$possible_class{'not_charged_try'};
1013: $button=1;
1014: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1015: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1016: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1017: $css_class=$possible_class{'not_charged_try'};
1018: $button=1;
1019: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1020: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1021: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1022: $css_class=$possible_class{'not_charged_try'};
1023: $button=1;
1024: } elsif ($award eq 'UNIT_NOTNEEDED') {
1025: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1026: $css_class=$possible_class{'not_charged_try'};
1027: $button=1;
1028: } elsif ($award eq 'NO_UNIT') {
1029: $message = &mt("Units required").'.';
1030: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1031: $css_class=$possible_class{'not_charged_try'};
1032: $button=1;
1033: } elsif ($award eq 'COMMA_FAIL') {
1034: $message = &mt("Proper comma separation is required").'.';
1035: $css_class=$possible_class{'not_charged_try'};
1036: $button=1;
1037: } elsif ($award eq 'BAD_FORMULA') {
1038: $message = &mt("Unable to understand formula").'.';
1039: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1040: $css_class=$possible_class{'not_charged_try'};
1041: $button=1;
1042: } elsif ($award eq 'NOT_FUNCTION') {
1043: $message = &mt("Not a function").'.';
1044: $css_class=$possible_class{'not_charged_try'};
1045: $button=1;
1046: } elsif ($award eq 'WRONG_FORMAT') {
1047: $message = &mt("Wrong format").'.';
1048: $css_class=$possible_class{'not_charged_try'};
1049: $button=1;
1050: } elsif ($award eq 'INTERNAL_ERROR') {
1051: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1052: $css_class=$possible_class{'not_charged_try'};
1053: $button=1;
1054: } elsif ($award eq 'INCORRECT') {
1055: $message = &mt("Incorrect").'.';
1056: $css_class=$possible_class{'charged_try'};
1057: $button=1;
1058: } elsif ($award eq 'SUBMITTED') {
1059: $message = &mt("Your submission has been recorded.");
1060: $css_class=$possible_class{'no_grade'};
1061: $button=1;
1062: } elsif ($award eq 'SUBMITTED_CREDIT') {
1063: $message = &mt("Your submission has been recorded, and credit awarded.");
1064: $css_class=$possible_class{'correct'};
1065: $button=1;
1066: } elsif ($award eq 'ANONYMOUS') {
1067: $message = &mt("Your anonymous submission has been recorded.");
1068: $css_class=$possible_class{'no_grade'};
1069: $button=1;
1070: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1071: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1072: $css_class=$possible_class{'correct'};
1073: } elsif ($award eq 'DRAFT') {
1074: $message = &mt("Copy saved but not submitted.");
1075: $css_class=$possible_class{'not_charged_try'};
1076: $button=1;
1077: } elsif ($award eq 'ASSIGNED_SCORE') {
1078: $message = &mt("A score has been assigned.");
1079: $css_class=$possible_class{'correct'};
1080: $button=0;
1081: } elsif ($award eq '') {
1082: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1083: $message = &mt("Nothing submitted.");
1084: $css_class=$possible_class{'charged_try'};
1085: } else {
1086: $css_class=$possible_class{'not_charged_try'};
1087: }
1088: $button=1;
1089: } else {
1090: $message = &mt("Unknown message").": $award";
1091: $button=1;
1092: }
1093: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1094: foreach my $resid(@Apache::inputtags::response){
1095: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1096: if ($target eq 'tex') {
1097: $message.= "\\\\\n";
1098: } else {
1099: $message.='<br />';
1100: }
1101: my @files = split(/\s*,\s*/,
1102: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1103: my $file_msg;
1104: foreach my $file (@files) {
1105: if ($target eq 'tex') {
1106: $file_msg.= "\\\\\n".$file;
1107: } else {
1108: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1109: }
1110: }
1111: $message .= &mt('Returned file(s): [_1]',$file_msg);
1112: if ($target eq 'tex') {
1113: $message.= "\\\\\n";
1114: } else {
1115: $message.='<br />';
1116: }
1117: }
1118: }
1119:
1120: if (&Apache::lonhomework::hide_problem_status()
1121: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1122: && &hide_award($award)) {
1123: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1124: $css_class=$possible_class{'no_grade'};
1125: $button=1;
1126: }
1127: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1128: !$added_computer_text && $target ne 'tex') {
1129: $message.= $computer;
1130: $added_computer_text=1;
1131: }
1132: if ($Apache::lonhomework::type eq 'practice') {
1133: if ($target eq 'web') {
1134: $message .= '<br />';
1135: } else {
1136: $message .= ' ';
1137: }
1138: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1139: }
1140:
1141: return ($button,$css_class,$message,$previousmsg);
1142: }
1143:
1144: sub markup_unit {
1145: my ($unit,$target)=@_;
1146: if ($target eq 'tex') {
1147: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1148: } else {
1149: return "<tt>".$unit."</tt>";
1150: }
1151: }
1152:
1153: sub removealldata {
1154: my ($id)=@_;
1155: foreach my $key (keys(%Apache::lonhomework::results)) {
1156: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1157: &Apache::lonxml::debug("Removing $key");
1158: delete($Apache::lonhomework::results{$key});
1159: }
1160: }
1161: }
1162:
1163: sub hidealldata {
1164: my ($id)=@_;
1165: foreach my $key (keys(%Apache::lonhomework::results)) {
1166: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1167: &Apache::lonxml::debug("Hidding $key");
1168: my $newkey=$key;
1169: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1170: $Apache::lonhomework::results{$newkey}=
1171: $Apache::lonhomework::results{$key};
1172: delete($Apache::lonhomework::results{$key});
1173: }
1174: }
1175: }
1176:
1177: sub setgradedata {
1178: my ($award,$msg,$id,$previously_used) = @_;
1179: if ($Apache::lonhomework::scantronmode &&
1180: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1181: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1182: } elsif ($Apache::lonhomework::scantronmode &&
1183: $env{'form.CODE'} eq '' &&
1184: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1185: $Apache::lonhomework::results{"resource.CODE"}='';
1186: }
1187:
1188: if (!$Apache::lonhomework::scantronmode &&
1189: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1190: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1191: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1192: return '';
1193: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1194: /^correct/
1195: || $Apache::lonhomework::scantronmode
1196: || &Apache::lonhomework::hide_problem_status() ) {
1197: # the student doesn't already have it correct,
1198: # or we are in a mode (scantron orno problem status) where a correct
1199: # can become incorrect
1200: # handle assignment of tries and solved status
1201: my $solvemsg;
1202: if ($Apache::lonhomework::scantronmode) {
1203: $solvemsg='correct_by_scantron';
1204: } else {
1205: $solvemsg='correct_by_student';
1206: }
1207: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1208: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1209: }
1210: if ( $award eq 'ASSIGNED_SCORE') {
1211: $Apache::lonhomework::results{"resource.$id.tries"} =
1212: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1213: $Apache::lonhomework::results{"resource.$id.solved"} =
1214: $solvemsg;
1215: my $numawards=scalar(@Apache::inputtags::response);
1216: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1217: foreach my $res (@Apache::inputtags::response) {
1218: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1219: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1220: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1221: } else {
1222: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1223: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1224: }
1225: }
1226: if ($numawards > 0) {
1227: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1228: $numawards;
1229: }
1230: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1231: $Apache::lonhomework::results{"resource.$id.tries"} =
1232: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1233: $Apache::lonhomework::results{"resource.$id.solved"} =
1234: $solvemsg;
1235: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1236: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1237: $Apache::lonhomework::results{"resource.$id.tries"} =
1238: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1239: $Apache::lonhomework::results{"resource.$id.solved"} =
1240: 'credit_attempted';
1241: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1242: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1243: $Apache::lonhomework::results{"resource.$id.tries"} =
1244: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1245: $Apache::lonhomework::results{"resource.$id.solved"} =
1246: 'credit_attempted';
1247: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1248: } elsif ( $award eq 'INCORRECT' ) {
1249: $Apache::lonhomework::results{"resource.$id.tries"} =
1250: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1251: if (&Apache::lonhomework::hide_problem_status()
1252: || $Apache::lonhomework::scantronmode) {
1253: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1254: }
1255: $Apache::lonhomework::results{"resource.$id.solved"} =
1256: 'incorrect_attempted';
1257: } elsif ( $award eq 'SUBMITTED' ) {
1258: $Apache::lonhomework::results{"resource.$id.tries"} =
1259: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1260: $Apache::lonhomework::results{"resource.$id.solved"} =
1261: 'ungraded_attempted';
1262: } elsif ( $award eq 'ANONYMOUS' ) {
1263: $Apache::lonhomework::results{"resource.$id.tries"} =
1264: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1265: $Apache::lonhomework::results{"resource.$id.solved"} =
1266: 'ungraded_attempted';
1267: } elsif ( $award eq 'DRAFT' ) {
1268: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1269: } elsif ( $award eq 'NO_RESPONSE' ) {
1270: #no real response so delete any data that got stored
1271: &removealldata($id);
1272: return '';
1273: } else {
1274: $Apache::lonhomework::results{"resource.$id.solved"} =
1275: 'incorrect_attempted';
1276: if (&Apache::lonhomework::show_no_problem_status()
1277: || $Apache::lonhomework::scantronmode) {
1278: $Apache::lonhomework::results{"resource.$id.tries"} =
1279: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1280: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1281: }
1282:
1283: if (&Apache::lonhomework::show_some_problem_status()) {
1284: # clear out the awarded if they had gotten it wrong/right
1285: # and are now in an error mode
1286: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1287: }
1288: }
1289: if (defined($msg)) {
1290: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1291: }
1292: # did either of the overall awards chage? If so ignore the
1293: # previous check
1294: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1295: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1296: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1297: $Apache::lonhomework::history{"resource.$id.solved"})) {
1298: # check if this was a previous submission if it was delete the
1299: # unneeded data and update the previously_used attribute
1300: if ( $previously_used eq 'PREVIOUSLY_USED') {
1301: if (&Apache::lonhomework::show_problem_status()) {
1302: delete($Apache::lonhomework::results{"resource.$id.tries"});
1303: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1304: }
1305: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1306: #delete all data as they student didn't do anything, but save
1307: #the list of collaborators.
1308: &removealldata($id);
1309: #and since they didn't do anything we were never here
1310: return '';
1311: } else {
1312: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1313: }
1314: }
1315: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
1316: /^correct/ ) {
1317: #delete all data as they student already has it correct
1318: &removealldata($id);
1319: #and since they didn't do anything we were never here
1320: return '';
1321: }
1322: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1323: if ($award eq 'SUBMITTED') {
1324: &Apache::response::add_to_gradingqueue();
1325: }
1326: if (($Apache::lonhomework::type eq 'anonsurvey') ||
1327: ($Apache::lonhomework::type eq 'anonsurveycred') ||
1328: ($Apache::lonhomework::type eq 'randomizetry')) {
1329: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1330: }
1331: if ($Apache::lonhomework::type eq 'randomizetry') {
1332: $Apache::lonhomework::results{"resource.$id.rndseed"} = $env{'form.'.$id.'.rndseed'};
1333: }
1334: }
1335:
1336: sub find_which_previous {
1337: my ($version) = @_;
1338: my $part = $Apache::inputtags::part;
1339: my (@previous_version);
1340: foreach my $resp (@Apache::inputtags::response) {
1341: my $key = "$version:resource.$part.$resp.submission";
1342: my $submission = $Apache::lonhomework::history{$key};
1343: my %previous = &Apache::response::check_for_previous($submission,
1344: $part,$resp,
1345: $version);
1346: push(@previous_version,$previous{'version'});
1347: }
1348: return &previous_match(\@previous_version,
1349: scalar(@Apache::inputtags::response));
1350: }
1351:
1352: sub previous_match {
1353: my ($previous_array,$count) = @_;
1354: my $match = 0;
1355: my @matches;
1356: foreach my $versionar (@$previous_array) {
1357: foreach my $version (@$versionar) {
1358: $matches[$version]++;
1359: }
1360: }
1361: my $which=0;
1362: foreach my $elem (@matches) {
1363: if ($elem eq $count) {
1364: $match=1;
1365: last;
1366: }
1367: $which++;
1368: }
1369: return ($match,$which);
1370: }
1371:
1372: sub grade {
1373: my ($target) = @_;
1374: my $id = $Apache::inputtags::part;
1375: my $response='';
1376: if ( defined $env{'form.submitted'}) {
1377: my (@awards,@msgs);
1378: foreach $response (@Apache::inputtags::response) {
1379: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1380: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1381: &Apache::lonxml::debug("keeping $value from $response for $id");
1382: push (@awards,$value);
1383: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1384: &Apache::lonxml::debug("got message $value from $response for $id");
1385: push (@msgs,$value);
1386: }
1387: my ($finalaward,$msg) =
1388: &finalizeawards(\@awards,\@msgs,undef,undef,
1389: $Apache::lonhomework::scantronmode);
1390: my $previously_used;
1391: if ( $#Apache::inputtags::previous eq $#awards ) {
1392: my ($match) =
1393: &previous_match(\@Apache::inputtags::previous_version,
1394: scalar(@Apache::inputtags::response));
1395:
1396: if ($match) {
1397: $previously_used = 'PREVIOUSLY_LAST';
1398: foreach my $value (@Apache::inputtags::previous) {
1399: if ($value eq 'PREVIOUSLY_USED' ) {
1400: $previously_used = $value;
1401: last;
1402: }
1403: }
1404: }
1405: }
1406: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1407: &setgradedata($finalaward,$msg,$id,$previously_used);
1408: }
1409: return '';
1410: }
1411:
1412: sub get_grade_messages {
1413: my ($id,$prefix,$target,$status,$nocorrect) = @_;
1414: # nocorrect suppresses "Computer's answer now shown above"
1415: my ($message,$latemessage,$trystr,$previousmsg);
1416: my $showbutton = 1;
1417:
1418: my $award = $Apache::lonhomework::history{"$prefix.award"};
1419: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1420: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1421: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1422: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1423: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1424: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1425: &Apache::lonxml::debug('Getting message');
1426: ($showbutton,my $css_class,$message,$previousmsg) =
1427: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1428: $target,(($status eq 'CAN_ANSWER') || $nocorrect));
1429: if ($target eq 'tex') {
1430: $message='\vskip 2 mm '.$message.' ';
1431: } else {
1432: $message="<td class=\"$css_class\">$message</td>";
1433: if ($previousmsg) {
1434: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1435: }
1436: }
1437: }
1438: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1439: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1440: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1441: #if tries are set to negative turn off the Tries/Button and messages
1442: if (defined($maxtries) && $maxtries < 0) { return ''; }
1443: if ( $tries eq '' ) { $tries = '0'; }
1444: if ( $maxtries eq '' ) { $maxtries = '2'; }
1445: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1446: my $tries_text= &get_tries_text();
1447: if ($showbutton) {
1448: if ($target eq 'tex') {
1449: if ($env{'request.state'} ne "construct"
1450: && $Apache::lonhomework::type ne 'exam'
1451: && $env{'form.suppress_tries'} ne 'yes') {
1452: $trystr ='{\vskip 1 mm \small '
1453: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1454: ,'\textit{','}',$tries.'/'.$maxtries )
1455: .'} \vskip 2 mm';
1456: } else {
1457: $trystr = '\vskip 0 mm ';
1458: }
1459: } else {
1460: my $trial = $tries;
1461: if ($Apache::lonhomework::parsing_a_task) {
1462: } elsif($env{'request.state'} ne 'construct') {
1463: $trial.="/$maxtries";
1464: } else {
1465: if (defined($Apache::inputtags::params{'maxtries'})) {
1466: $trial.="/".$Apache::inputtags::params{'maxtries'};
1467: }
1468: }
1469: $trystr.='<td><span class="LC_nobreak">'.&mt("$tries_text [_1]",$trial).'</span></td>';
1470: }
1471: }
1472:
1473: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1474: #last submissions was after due date
1475: $latemessage=&mt(' The last submission was after the Due Date ');;
1476: if ($target eq 'web') {
1477: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1478: }
1479: }
1480: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1481: }
1482:
1483: sub gradestatus {
1484: my ($id,$target,$no_previous) = @_;
1485: my $showbutton = 1;
1486: my $message = '';
1487: my $latemessage = '';
1488: my $trystr='';
1489: my $button='';
1490: my $previousmsg='';
1491:
1492: my $status = $Apache::inputtags::status['-1'];
1493: &Apache::lonxml::debug("gradestatus has :$status:");
1494: if ( $status ne 'CLOSED'
1495: && $status ne 'UNAVAILABLE'
1496: && $status ne 'INVALID_ACCESS'
1497: && $status ne 'NEEDS_CHECKIN'
1498: && $status ne 'NOT_IN_A_SLOT') {
1499:
1500: ($previousmsg,$latemessage,$message,$trystr) =
1501: &get_grade_messages($id,"resource.$id",$target,$status,
1502: $showbutton);
1503: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1504: $showbutton = 0;
1505: }
1506: if ( $status eq 'SHOW_ANSWER') {
1507: undef($previousmsg);
1508: }
1509: if ( $showbutton ) {
1510: if ($target ne 'tex') {
1511: $button =
1512: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1513: type="submit" name="submit_'.$id.'"
1514: value="'.&mt('Submit Answer').'" />';
1515: }
1516: }
1517:
1518: }
1519: my $output= $previousmsg.$latemessage.$message.$trystr;
1520: if ($output =~ /^\s*$/) {
1521: return $button;
1522: } else {
1523: if ($target eq 'tex') {
1524: return $button.' \vskip 0 mm '.$output.' ';
1525: } else {
1526: $output =
1527: '<table><tr><td>'.$button.'</td>'.$output;
1528: if (!$no_previous) {
1529: $output.='<td>'.&previous_tries($id,$target).'</td>';
1530: }
1531: $output.= '</tr></table>';
1532: return $output;
1533: }
1534: }
1535: }
1536:
1537: sub previous_tries {
1538: my ($id,$target) = @_;
1539: my $output;
1540: my $status = $Apache::inputtags::status['-1'];
1541:
1542: my $count;
1543: my %count_lookup;
1544: my $lastrndseed;
1545:
1546: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1547: my $prefix = $i.":resource.$id";
1548: my $is_anon;
1549: if (defined($env{'form.grade_symb'})) {
1550: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1551: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1552: $is_anon = 1;
1553: }
1554: }
1555: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1556: $count++;
1557: $count_lookup{$i} = $count;
1558: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1559:
1560: my ($previousmsg,$latemessage,$message,$trystr);
1561:
1562: ($previousmsg,$latemessage,$message,$trystr) =
1563: &get_grade_messages($id,"$prefix",$target,$status);
1564:
1565: if ($previousmsg ne '') {
1566: my ($match,$which) = &find_which_previous($i);
1567: $message=$previousmsg;
1568: my $previous = $count_lookup{$which};
1569: $message =~ s{(</td>)}{ as submission \# $previous $1};
1570: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1571: if (!(&Apache::lonhomework::hide_problem_status()
1572: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1573: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1574: ) {
1575:
1576: my $txt_correct = &mt('Correct');
1577: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1578: if ($awarded < 1 && $awarded > 0) {
1579: $txt_correct=&mt('Partially Correct');
1580: } elsif ($awarded < 1) {
1581: if ($awarded eq '') {
1582: $txt_correct='';
1583: } else {
1584: $txt_correct=&mt('Incorrect');
1585: }
1586: }
1587: $message =~ s{(<td.*?>)(.*?)(</td>)}
1588: {$1 <strong>$txt_correct</strong>. $3}s;
1589: }
1590: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1591: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1592: if ($curr_rndseed ne $lastrndseed) {
1593: $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>';
1594: }
1595: }
1596: $message =~ s{(</td>)}{ $trystr $1};
1597: }
1598: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1599: $message =~ s{(<td.*?>)}{<td>};
1600:
1601:
1602: $output.='<tr class="'.$class.'">';
1603: $output.='<td align="center">'.$count.'</td>';
1604: $output.=$message;
1605:
1606: foreach my $resid (@Apache::inputtags::response) {
1607: my $prefix = $prefix.".$resid";
1608: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1609: my $submission =
1610: $Apache::inputtags::submission_display{"$prefix.submission"};
1611: if (!defined($submission)) {
1612: $submission =
1613: $Apache::lonhomework::history{"$prefix.submission"};
1614: }
1615: if ($is_anon) {
1616: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1617: } else {
1618: $output.='<td>'.$submission.'</td>';
1619: }
1620: } else {
1621: $output.='<td></td>';
1622: }
1623: }
1624: $output.=&Apache::loncommon::end_data_table_row()."\n";
1625: $lastrndseed = $curr_rndseed;
1626: }
1627: return if ($output eq '');
1628: my $headers =
1629: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1630: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1631: &mt('Submitted Answer').'</th>';
1632: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1633: #return $output;
1634: $output = &Apache::loncommon::js_ready($output);
1635: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
1636:
1637: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1638: my $tries_text = &get_tries_text('link');
1639: my $start_page =
1640: &Apache::loncommon::start_page($tries_text, undef,
1641: {'only_body' => 1,
1642: 'bgcolor' => '#FFFFFF',
1643: 'js_ready' => 1,
1644: 'inherit_jsmath' => 1, });
1645: my $end_page =
1646: &Apache::loncommon::end_page({'js_ready' => 1,});
1647: my $prefix = $env{'form.request.prefix'};
1648: $prefix =~ tr{.}{_};
1649: my $function_name = "LONCAPA_previous_tries_".$prefix.
1650: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1651: my $result ="<script type=\"text/javascript\">
1652: // <![CDATA[
1653: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1654: // ]]>
1655: </script><a href=\"javascript:$function_name();void(0);\">".&mt($tries_text)."</a><br />";
1656: #use Data::Dumper;
1657: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1658: return $result;
1659: }
1660:
1661: sub get_tries_text {
1662: my ($context) = @_;
1663: my $tries_text;
1664: if ($context eq 'link') {
1665: $tries_text = 'Previous Tries';
1666: } else {
1667: $tries_text = 'Tries';
1668: }
1669: if ( $Apache::lonhomework::type eq 'survey' ||
1670: $Apache::lonhomework::type eq 'surveycred' ||
1671: $Apache::lonhomework::type eq 'anonsurvey' ||
1672: $Apache::lonhomework::type eq 'anonsurveycred' ||
1673: $Apache::lonhomework::parsing_a_task) {
1674: if ($context eq 'link') {
1675: $tries_text = 'Previous Submissions';
1676: } else {
1677: $tries_text = 'Submissions';
1678: }
1679: }
1680: return $tries_text;
1681: }
1682:
1683: 1;
1684: __END__
1685:
1686: =pod
1687:
1688: =back
1689:
1690: =cut
1691:
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