File:
[LON-CAPA] /
loncom /
homework /
inputtags.pm
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1.309:
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Fri Sep 14 11:23:58 2012 UTC (11 years, 11 months ago) by
goltermann
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added essay response to pdf form functionality.
students can now print and upload a pdf with essay problems with form fields in it. after uploading they will get a notice that their essay is saved as a draft but not yet submitted.
fixed a missing <span> tag.
special thanks to jeconia kapitako who helped with inplementing textareas into lon capa pdf forms.
1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.309 2012/09/14 11:23:58 goltermann 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 $fieldname = $env{'request.symb'}.
257: '&part_'. $Apache::inputtags::part.
258: '&textresponse'.
259: '&HWVAL_' . $Apache::inputtags::response['-1'];
260: $result.='\TextField[name='.$fieldname.',multiline=true,height=6\baselineskip,width=270,borderwidth=0,backgroundcolor={.85
261: .85 .85}]\\';
262: }
263: }
264: return $result;
265: }
266:
267: sub end_textfield {
268: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
269: my $result;
270: if ($target eq 'web') {
271: $Apache::lonxml::evaluate++;
272: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
273: return "</textarea>";
274: }
275: } elsif ($target eq 'edit') {
276: $result=&Apache::edit::end_table();
277: }
278: &end_input;
279: return $result;
280: }
281:
282: sub exam_score_line {
283: my ($target) = @_;
284:
285: my $result;
286: if ($target eq 'tex') {
287: my $repetition = &Apache::response::repetition();
288: $result.='\begin{enumerate}';
289: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
290: foreach my $i (0..$repetition-1) {
291: $result.='\item[\textbf{'.
292: ($Apache::lonxml::counter+$i).
293: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
294: }
295: $result.= '\end{enumerate}';
296: }
297:
298: return $result;
299: }
300:
301: sub exam_box {
302: my ($target) = @_;
303: my $result;
304:
305: if ($target eq 'tex') {
306: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
307: $result .= &exam_score_line($target);
308: } elsif ($target eq 'web') {
309: my $id=$Apache::inputtags::response[-1];
310: $result.= '<br /><br />
311: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
312: </textarea> <br /><br />';
313: }
314: return $result;
315: }
316:
317: sub needs_exam_box {
318: my ($tagstack) = @_;
319: my @tags = ('formularesponse',
320: 'stringresponse',
321: 'reactionresponse',
322: 'organicresponse',
323: );
324:
325: foreach my $tag (@tags) {
326: if (grep(/\Q$tag\E/,@$tagstack)) {
327: return 1;
328: }
329: }
330: return 0;
331: }
332:
333: sub start_textline {
334: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
335: my $result = "";
336: my $input_id = &start_input($parstack,$safeeval);
337: if ($target eq 'web') {
338: $Apache::lonxml::evaluate--;
339: my $partid=$Apache::inputtags::part;
340: my $id=$Apache::inputtags::response[-1];
341: if (!&Apache::response::show_answer()) {
342: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
343: my $maxlength;
344: if ($size eq '') { $size=20; } else {
345: if ($size < 20) {
346: $maxlength = ' maxlength="'.$size.'"';
347: }
348: }
349: my ($oldresponse,$newvariation);
350: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
351: ($Apache::lonhomework::type eq 'randomizetry')) &&
352: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
353: if ($env{'form.'.$partid.'.rndseed'} ne
354: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
355: $newvariation = 1;
356: }
357: }
358: unless ($newvariation) {
359: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
360: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
361: if (ref($oldresponse) eq 'ARRAY') {
362: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
363: }
364: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
365: $oldresponse =~ s/^\s+//;
366: $oldresponse =~ s/\s+$//;
367: $oldresponse =~ s/\s+/ /g;
368: }
369: if ($Apache::lonhomework::type ne 'exam') {
370: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
371: $result='';
372: if ($addchars) {
373: $result.=&addchars('HWVAL_'.$id,$addchars);
374: }
375: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
376: $safeeval);
377: if (lc($readonly) eq 'yes'
378: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
379: $readonly=' readonly="readonly" ';
380: } else {
381: $readonly='';
382: }
383: my $name = 'HWVAL_'.$id;
384: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
385: $name = "none";
386: }
387: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');" type="text" '.$readonly.' name="'.$name.'" value="'.
388: $oldresponse.'" class="spellchecked" size="'.$size.'"'.$maxlength.'
389: onblur=' . "'\$(this).spellchecker(\"check\")'" . '/>';
390: }
391: if ($Apache::lonhomework::type eq 'exam'
392: && &needs_exam_box($tagstack)) {
393: $result.=&exam_box($target);
394: }
395: } else {
396: #right or wrong don't show what was last typed in.
397: my $count = scalar(@Apache::inputtags::inputlist)-1;
398: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
399: #$result='';
400: }
401: } elsif ($target eq 'edit') {
402: $result=&Apache::edit::tag_start($target,$token);
403: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
404: &Apache::edit::text_arg('Click-On Texts (comma sep):',
405: 'addchars',$token,10);
406: $result.=&Apache::edit::select_arg('Readonly:','readonly',
407: ['no','yes'],$token);
408: $result.=&Apache::edit::end_row();
409: $result.=&Apache::edit::end_table();
410: } elsif ($target eq 'modified') {
411: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
412: $safeeval,'size',
413: 'addchars','readonly');
414: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
415: } elsif ($target eq 'tex'
416: && $Apache::lonhomework::type ne 'exam') {
417: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
418: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
419: if ($env{'form.pdfFormFields'} eq 'yes'
420: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
421: my $fieldname = $env{'request.symb'}.
422: '&part_'. $Apache::inputtags::part.
423: '&textresponse'.
424: '&HWVAL_' . $Apache::inputtags::response['-1'];
425: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
426: } else {
427: $result='\framebox['.$size.'][s]{\tiny\strut}';
428: }
429: } elsif ($target eq 'tex'
430: && $Apache::lonhomework::type eq 'exam'
431: && &needs_exam_box($tagstack)) {
432: $result.=&exam_box($target);
433: }
434: return $result;
435: }
436:
437: sub end_textline {
438: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
439: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
440: elsif ($target eq 'edit') { return ('','no'); }
441: &end_input();
442: return "";
443: }
444:
445: sub start_hiddenline {
446: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
447: my $result = "";
448: my $input_id = &start_input($parstack,$safeeval);
449: if ($target eq 'web') {
450: $Apache::lonxml::evaluate--;
451: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
452: my $partid=$Apache::inputtags::part;
453: my $id=$Apache::inputtags::response[-1];
454: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
455: if (ref($oldresponse) eq 'ARRAY') {
456: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
457: }
458: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
459:
460: if ($Apache::lonhomework::type ne 'exam') {
461: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
462: $oldresponse.'" />';
463: }
464: }
465: } elsif ($target eq 'edit') {
466: $result=&Apache::edit::tag_start($target,$token);
467: $result.=&Apache::edit::end_table;
468: }
469:
470: if ( ($target eq 'web' || $target eq 'tex')
471: && $Apache::lonhomework::type eq 'exam'
472: && &needs_exam_box($tagstack)) {
473: $result.=&exam_box($target);
474: }
475: return $result;
476: }
477:
478: sub end_hiddenline {
479: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
480: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
481: elsif ($target eq 'edit') { return ('','no'); }
482: &end_input();
483: return "";
484: }
485:
486:
487: sub start_hiddensubmission {
488: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
489: my $result = "";
490: my $input_id = &start_input($parstack,$safeeval);
491: if ($target eq 'web') {
492: $Apache::lonxml::evaluate--;
493: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
494: my $partid=$Apache::inputtags::part;
495: my $id=$Apache::inputtags::response[-1];
496: if ($Apache::lonhomework::type ne 'exam') {
497: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
498: $value = &HTML::Entities::encode($value,'<>&"');
499: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
500: }
501: }
502: } elsif ($target eq 'edit') {
503: $result=&Apache::edit::tag_start($target,$token);
504: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
505: $result.=&Apache::edit::end_row();
506: $result.=&Apache::edit::end_table();
507: } elsif ($target eq 'modified') {
508: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
509: $safeeval,'value');
510: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
511: }
512:
513: if ( ($target eq 'web' || $target eq 'tex')
514: && $Apache::lonhomework::type eq 'exam'
515: && &needs_exam_box($tagstack)) {
516: $result.=&exam_box($target);
517: }
518: return $result;
519: }
520:
521: sub end_hiddensubmission {
522: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
523: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
524: elsif ($target eq 'edit') { return ('','no'); }
525: &end_input();
526: return "";
527: }
528:
529: =pod
530:
531: =item file_selector()
532:
533: $part -> partid
534: $id -> responseid
535: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
536: $which -> 'uploadonly' -> only newly uploaded files
537: 'portfolioonly' -> only allow files from portfolio
538: 'both' -> allow files from either location
539: $extratext -> additional text to go between the link and the input box
540: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
541: returns a table row <tr>
542:
543: =cut
544:
545: sub file_selector {
546: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
547: if (!$uploadedfiletypes) { return ''; }
548:
549: my $jspart=$part;
550: $jspart=~s/\./_/g;
551:
552: my $result;
553: my $current_files_display = ¤t_file_submissions($part,$id);
554: my $addfiles;
555: if ($current_files_display) {
556: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
557: $current_files_display.
558: &Apache::lonhtmlcommon::row_closure();
559: $addfiles = &mt('Submit other file(s)');
560: } else {
561: $addfiles = &mt('Choose file(s) to submit');
562: }
563: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
564: my $constraints;
565: if ($uploadedfiletypes ne '*') {
566: $constraints =
567: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
568: }
569: if ($maxfilesize) {
570: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].',
571: '<b>'.$maxfilesize.'</b>').'<br />';
572: }
573: if ($constraints) {
574: $result .= $constraints.'<br />';
575: }
576: if ($which eq 'uploadonly' || $which eq 'both') {
577: $result.=&mt('Submit a file: (only one file per submission)').
578: ' <br /><input type="file" size="50" name="HWFILE'.
579: $jspart.'_'.$id.'" id="HWFILE'.$jspart.'_'.$id.'" /><br />';
580: }
581: if ( $which eq 'both') {
582: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
583: }
584: if ($which eq 'portfolioonly' || $which eq 'both') {
585: my $symb = $env{'request.symb'};
586: (undef,undef,my $res)=&Apache::lonnet::decode_symb($symb);
587: my $showsymb;
588: # If resource is a .task and URL is unencrypted, include symb in query string
589: # for url opened in portfolio file selection window. Can be used to override
590: # blocking of portfolio access resulting from an exam event in a different course.
591: if ($res =~ /\.task$/i) {
592: my $encsymb = &Apache::lonenc::check_encrypt($symb);
593: if ($symb eq $encsymb) {
594: $showsymb = $symb;
595: }
596: }
597: $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"))'."'".'>'.
598: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
599: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
600: '<br />';
601:
602: }
603: $result.=&Apache::lonhtmlcommon::row_closure(1);
604: return $result;
605: }
606:
607: sub current_file_submissions {
608: my ($part,$id) = @_;
609: my $jspart=$part;
610: $jspart=~s/\./_/g;
611: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
612: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
613: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
614: my $header = &Apache::loncommon::start_data_table().
615: &Apache::loncommon::start_data_table_header_row();
616: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
617: $header .= '<th>'.&mt('Delete?').'</th>';
618: }
619: $header .= '<th>'.&mt('File').'</th>'.
620: '<th>'.&mt('Size (MB)').'</th>'.
621: '<th>'.&mt('Last Modified').'</th>'.
622: &Apache::loncommon::end_data_table_header_row();
623: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
624: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
625: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
626: if ($uploadedfile) {
627: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
628: my $link = &HTML::Entities::encode($url,'<>&"');
629: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
630: my ($status,$hashref,$error) =
631: ¤t_file_info($url,$link,$name,$path);
632: if ($status eq 'ok') {
633: push(@{$okfiles{$name}},$url);
634: $rows{$url} = $hashref;
635: $legacy{$url} = 1;
636: &Apache::lonxml::extlink($url);
637: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
638: } else {
639: push(@bad_file_list,$error);
640: }
641: }
642: if ($portfiles =~ /[^\s]/) {
643: my $prefix = "/uploaded/$udom/$uname/portfolio";
644: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
645: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
646: my $url = $prefix.$path.$name;
647: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
648: my ($status,$hashref,$error) =
649: ¤t_file_info($url,$uploadedfile,$name,$path);
650: if ($status eq 'ok') {
651: push(@{$okfiles{$name}},$url);
652: $rows{$url} = $hashref;
653: } else {
654: push(@bad_file_list,$error);
655: }
656: }
657: }
658: my $num = 0;
659: foreach my $name (sort(keys(%okfiles))) {
660: if (ref($okfiles{$name}) eq 'ARRAY') {
661: foreach my $url (@{$okfiles{$name}}) {
662: if (ref($rows{$url}) eq 'HASH') {
663: my $link = $rows{$url}{link};
664: my $portfile = $rows{$url}{path}.$rows{$url}{name};
665: $portfile = &HTML::Entities::encode($portfile,'<>&"');
666: if ($link) {
667: my $icon=&Apache::loncommon::icon($url);
668: unless ($header_shown) {
669: $result .= $header;
670: $header_shown = 1;
671: }
672: $result.=
673: &Apache::loncommon::start_data_table_row()."\n";
674: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
675: $result .=
676: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
677: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
678: $num ++;
679: }
680: my $showname = $rows{$url}{path}.$name;
681: if ($legacy{$url}) {
682: $showname = $name.' '.&mt('not in portfolio');
683: }
684: $result .=
685: '<td><a href="'.$link.'"><img src="'.$icon.
686: '" border="0" alt="" />'.$showname.'</a></td>'."\n".
687: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
688: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
689: &Apache::loncommon::end_data_table_row();
690: }
691: }
692: }
693: }
694: }
695: if ($header_shown) {
696: $result .= &Apache::loncommon::end_data_table();
697: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
698: $result .= '<br /><span class="LC_warning">'.
699: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
700: }
701: }
702: if (@bad_file_list) {
703: my $bad_files = '<span class="LC_filename">'.
704: join('</span>, <span class="LC_filename">',@bad_file_list).
705: '</span>';
706: $result.='<p class="LC_error">'.
707: &mt("These file(s) don't exist: [_1]",$bad_files).
708: '</p>';
709: }
710: return $result;
711: }
712:
713: sub current_file_info {
714: my ($url,$uploadedfile,$name,$path) = @_;
715: my ($status,$error,%info);
716: my @stat = &Apache::lonnet::stat_file($url);
717: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
718: my ($lastmod,$size);
719: if ($stat[9] =~ /^\d+$/) {
720: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
721: }
722: $size = $stat[7]/(1024*1024);
723: $size = sprintf("%.3f",$size);
724: %info = (
725: link => $uploadedfile,
726: name => $name,
727: path => $path,
728: size => $size,
729: lastmodified => $lastmod,
730: );
731: $status = 'ok';
732: } else {
733: &Apache::lonnet::logthis("bad file is $url");
734: my $icon=&Apache::loncommon::icon($url);
735: $error = '<a href="'.$url.'"><img src="'.$icon.
736: '" border="0" />'.$uploadedfile.'</a>';
737: }
738: return ($status,\%info,$error);
739: }
740:
741: sub valid_award {
742: my ($award) =@_;
743: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
744: 'NO_RESPONSE',
745: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
746: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
747: 'UNIT_FAIL', 'NO_UNIT',
748: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
749: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
750: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
751: 'MISORDERED_RANK', 'INVALID_FILETYPE',
752: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
753: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
754: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
755: 'ASSIGNED_SCORE', 'APPROX_ANS',
756: 'EXACT_ANS','COMMA_FAIL') {
757: if ($award eq $possibleaward) { return 1; }
758: }
759: return 0;
760: }
761:
762: {
763: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
764: 'TOO_LONG',
765: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
766: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
767: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
768: 'WRONG_FORMAT', 'INTERNAL_ERROR',
769: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
770: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
771: 'DRAFT', 'SUBMITTED',
772: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
773: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
774: my $i=0;
775: my %fwd_awards = map { ($_,$i++) } @awards;
776: my $max=scalar(@awards);
777: @awards=reverse(@awards);
778: $i=0;
779: my %rev_awards = map { ($_,$i++) } @awards;
780:
781: sub awarddetail_to_awarded {
782: my ($awarddetail) = @_;
783: if ($awarddetail eq 'EXACT_ANS'
784: || $awarddetail eq 'APPROX_ANS') {
785: return 1;
786: }
787: return 0;
788: }
789:
790: sub hide_award {
791: my ($award) = @_;
792: if (&Apache::lonhomework::show_no_problem_status()) {
793: return 1;
794: }
795: if ($award =~
796: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
797: return 1;
798: }
799: return 0;
800: }
801:
802: sub finalizeawards {
803: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
804: my $result;
805: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
806: if ($result eq '' ) {
807: my $blankcount;
808: foreach my $award (@$awardref) {
809: if ($award eq '') {
810: $result='MISSING_ANSWER';
811: $blankcount++;
812: }
813: }
814: if ($blankcount == ($#$awardref + 1)) {
815: return ('NO_RESPONSE');
816: }
817: }
818:
819: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
820:
821: if (!$final_scantron && defined($result)) { return ($result); }
822:
823: # if in scantron mode, if the award for any response is
824: # assigned score, then the part gets an assigned score
825: if ($final_scantron
826: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
827: return ('ASSIGNED_SCORE');
828: }
829:
830: # if in scantron mode, if the award for any response is
831: # correct and there are non-correct responses,
832: # then the part gets an assigned score
833: if ($final_scantron
834: && (grep { $_ eq 'EXACT_ANS' ||
835: $_ eq 'APPROX_ANS' } (@$awardref))
836: && (grep { $_ ne 'EXACT_ANS' &&
837: $_ ne 'APPROX_ANS' } (@$awardref))) {
838: return ('ASSIGNED_SCORE');
839: }
840: # these awards are ordered from most important error through best correct
841: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
842:
843: my $best = $max;
844: my $j=0;
845: my $which;
846: foreach my $award (@$awardref) {
847: if ($awards->{$award} < $best) {
848: $best = $awards->{$award};
849: $which = $j;
850: }
851: $j++;
852: }
853:
854: if (defined($which)) {
855: if (ref($nameref)) {
856: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
857: } else {
858: return ($$awardref[$which],$$msgref[$which]);
859: }
860: }
861: return ('ERROR',undef);
862: }
863: }
864:
865: sub decideoutput {
866: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect)=@_;
867:
868: my $message='';
869: my $button=0;
870: my $previousmsg;
871: my $css_class='orange';
872: my $added_computer_text=0;
873: my %possible_class =
874: ( 'correct' => 'LC_answer_correct',
875: 'charged_try' => 'LC_answer_charged_try',
876: 'not_charged_try' => 'LC_answer_not_charged_try',
877: 'no_grade' => 'LC_answer_no_grade',
878: 'no_message' => 'LC_no_message',
879: );
880:
881: my $part = $Apache::inputtags::part;
882: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
883: my $handgrade = ('yes' eq lc($tohandgrade));
884: #
885: # Should "Computer's Answer" be displayed?
886: # Should not be displayed if still answerable,
887: # if the problem is handgraded,
888: # or if the problem does not give a correct answer
889: #
890:
891: my $computer = ($handgrade || $nocorrect)? ''
892: : " ".&mt("Computer's answer now shown above.");
893: &Apache::lonxml::debug("handgrade has :$handgrade:");
894:
895: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
896:
897: if ($solved =~ /^correct/) {
898: $css_class=$possible_class{'correct'};
899: $message=&mt('You are correct.');
900: if ($awarded < 1 && $awarded > 0) {
901: $message=&mt('You are partially correct.');
902: $css_class=$possible_class{'not_charged_try'};
903: } elsif ($awarded < 1) {
904: $message=&mt('Incorrect.');
905: $css_class=$possible_class{'charged_try'};
906: }
907: if ($handgrade ||
908: ($env{'request.filename'}=~/\/res\/lib\/templates\/(examupload|DropBox).problem$/)) {
909: $message = &mt("A score has been assigned.");
910: $added_computer_text=1;
911: } else {
912: if ($target eq 'tex') {
913: $message = '\textbf{'.$message.'}';
914: } else {
915: $message = "<b>".$message."</b>";
916: $message.= $computer;
917: }
918: $added_computer_text=1;
919: if ($awarded > 0) {
920: my ($symb) = &Apache::lonnet::whichuser();
921: if (($symb ne '')
922: &&
923: ($env{'course.'.$env{'request.course.id'}.
924: '.disable_receipt_display'} ne 'yes') &&
925: ($Apache::lonhomework::type ne 'practice')) {
926: $message.=(($target eq 'web')?'<br />':' ').
927: &mt('Your receipt no. is [_1]',
928: (&Apache::lonnet::receipt($Apache::inputtags::part).
929: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
930: }
931: }
932: }
933: if ($awarded >= 1) {
934: $button=0;
935: } elsif (&Apache::lonnet::EXT("resource.$part.retrypartial") !~/^1|on|yes$/i) {
936: $button=0;
937: } else {
938: $button=1;
939: }
940: $previousmsg='';
941: } elsif ($solved =~ /^excused/) {
942: if ($target eq 'tex') {
943: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
944: } else {
945: $message = "<b>".&mt('You are excused from the problem.')."</b>";
946: }
947: $css_class=$possible_class{'charged_try'};
948: $button=0;
949: $previousmsg='';
950: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
951: if ($solved =~ /^incorrect/ || $solved eq '') {
952: $message = &mt("Incorrect").".";
953: $css_class=$possible_class{'charged_try'};
954: $button=1;
955: } else {
956: if ($target eq 'tex') {
957: $message = '\textbf{'.&mt('You are correct.').'}';
958: } else {
959: $message = "<b>".&mt('You are correct.')."</b>";
960: $message.= $computer;
961: }
962: $added_computer_text=1;
963: if ($awarded > 0
964: && $env{'course.'.
965: $env{'request.course.id'}.
966: '.disable_receipt_display'} ne 'yes') {
967: $message.=(($target eq 'web')?'<br />':' ').
968: &mt('Your receipt is [_1]',
969: (&Apache::lonnet::receipt($Apache::inputtags::part).
970: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
971: }
972: $css_class=$possible_class{'correct'};
973: $button=0;
974: $previousmsg='';
975: }
976: } elsif ($award eq 'NO_RESPONSE') {
977: $message = '';
978: $css_class=$possible_class{'no_feedback'};
979: $button=1;
980: } elsif ($award eq 'EXTRA_ANSWER') {
981: $message = &mt('Some extra items were submitted.');
982: $css_class=$possible_class{'not_charged_try'};
983: $button = 1;
984: } elsif ($award eq 'MISSING_ANSWER') {
985: $message = &mt('Some items were not submitted.');
986: if ($target ne 'tex') {
987: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
988: }
989: $css_class=$possible_class{'not_charged_try'};
990: $button = 1;
991: } elsif ($award eq 'ERROR') {
992: $message = &mt('An error occurred while grading your answer.');
993: $css_class=$possible_class{'not_charged_try'};
994: $button = 1;
995: } elsif ($award eq 'TOO_LONG') {
996: $message = &mt("The submitted answer was too long.");
997: $css_class=$possible_class{'not_charged_try'};
998: $button=1;
999: } elsif ($award eq 'WANTED_NUMERIC') {
1000: $message = &mt("This question expects a numeric answer.");
1001: $css_class=$possible_class{'not_charged_try'};
1002: $button=1;
1003: } elsif ($award eq 'MISORDERED_RANK') {
1004: $message = &mt('You have provided an invalid ranking.');
1005: if ($target ne 'tex') {
1006: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1007: }
1008: $css_class=$possible_class{'not_charged_try'};
1009: $button=1;
1010: } elsif ($award eq 'EXCESS_FILESIZE') {
1011: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
1012: $css_class=$possible_class{'not_charged_try'};
1013: $button=1;
1014: } elsif ($award eq 'FILENAME_INUSE') {
1015: $message = &mt('You have already uploaded a file with that filename.');
1016: if ($target eq 'tex') {
1017: $message.= "\\\\\n";
1018: } else {
1019: $message .= '<br />';
1020: }
1021: $message .= &mt('Please use a different file name.');
1022: $css_class=$possible_class{'not_charged_try'};
1023: $button=1;
1024: } elsif ($award eq 'INVALID_FILETYPE') {
1025: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1026: $css_class=$possible_class{'not_charged_try'};
1027: $button=1;
1028: } elsif ($award eq 'SIG_FAIL') {
1029: my ($used,$min,$max)=split(':',$awardmsg);
1030: my $word = ($used < $min) ? 'more' : 'fewer';
1031: $message = &mt("Submission not graded. Use $word digits.",$used);
1032: $css_class=$possible_class{'not_charged_try'};
1033: $button=1;
1034: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1035: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1036: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1037: $css_class=$possible_class{'not_charged_try'};
1038: $button=1;
1039: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1040: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1041: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1042: $css_class=$possible_class{'not_charged_try'};
1043: $button=1;
1044: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1045: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1046: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1047: $css_class=$possible_class{'not_charged_try'};
1048: $button=1;
1049: } elsif ($award eq 'UNIT_NOTNEEDED') {
1050: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1051: $css_class=$possible_class{'not_charged_try'};
1052: $button=1;
1053: } elsif ($award eq 'NO_UNIT') {
1054: $message = &mt("Units required").'.';
1055: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1056: $css_class=$possible_class{'not_charged_try'};
1057: $button=1;
1058: } elsif ($award eq 'COMMA_FAIL') {
1059: $message = &mt("Proper comma separation is required").'.';
1060: $css_class=$possible_class{'not_charged_try'};
1061: $button=1;
1062: } elsif ($award eq 'BAD_FORMULA') {
1063: $message = &mt("Unable to understand formula").'.';
1064: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1065: $css_class=$possible_class{'not_charged_try'};
1066: $button=1;
1067: } elsif ($award eq 'NOT_FUNCTION') {
1068: $message = &mt("Not a function").'.';
1069: $css_class=$possible_class{'not_charged_try'};
1070: $button=1;
1071: } elsif ($award eq 'WRONG_FORMAT') {
1072: $message = &mt("Wrong format").'.';
1073: $css_class=$possible_class{'not_charged_try'};
1074: $button=1;
1075: } elsif ($award eq 'INTERNAL_ERROR') {
1076: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1077: $css_class=$possible_class{'not_charged_try'};
1078: $button=1;
1079: } elsif ($award eq 'INCORRECT') {
1080: $message = &mt("Incorrect").'.';
1081: $css_class=$possible_class{'charged_try'};
1082: $button=1;
1083: } elsif ($award eq 'SUBMITTED') {
1084: $message = &mt("Your submission has been recorded.");
1085: $css_class=$possible_class{'no_grade'};
1086: $button=1;
1087: } elsif ($award eq 'SUBMITTED_CREDIT') {
1088: $message = &mt("Your submission has been recorded, and credit awarded.");
1089: $css_class=$possible_class{'correct'};
1090: $button=1;
1091: } elsif ($award eq 'ANONYMOUS') {
1092: $message = &mt("Your anonymous submission has been recorded.");
1093: $css_class=$possible_class{'no_grade'};
1094: $button=1;
1095: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1096: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1097: $css_class=$possible_class{'correct'};
1098: $button=1;
1099: } elsif ($award eq 'DRAFT') {
1100: $message = &mt("Copy saved but not submitted.");
1101: $css_class=$possible_class{'not_charged_try'};
1102: $button=1;
1103: } elsif ($award eq 'ASSIGNED_SCORE') {
1104: $message = &mt("A score has been assigned.");
1105: $css_class=$possible_class{'correct'};
1106: $button=0;
1107: } elsif ($award eq '') {
1108: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1109: $message = &mt("Nothing submitted.");
1110: $css_class=$possible_class{'charged_try'};
1111: } else {
1112: $css_class=$possible_class{'not_charged_try'};
1113: }
1114: $button=1;
1115: } else {
1116: $message = &mt("Unknown message").": $award";
1117: $button=1;
1118: }
1119: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1120: foreach my $resid(@Apache::inputtags::response){
1121: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1122: if ($target eq 'tex') {
1123: $message.= "\\\\\n";
1124: } else {
1125: $message.='<br />';
1126: }
1127: my @files = split(/\s*,\s*/,
1128: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1129: my $file_msg;
1130: foreach my $file (@files) {
1131: if ($target eq 'tex') {
1132: $file_msg.= "\\\\\n".$file;
1133: } else {
1134: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1135: }
1136: }
1137: $message .= &mt('Returned file(s): [_1]',$file_msg);
1138: if ($target eq 'tex') {
1139: $message.= "\\\\\n";
1140: } else {
1141: $message.='<br />';
1142: }
1143: }
1144: }
1145:
1146: if (&Apache::lonhomework::hide_problem_status()
1147: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1148: && &hide_award($award)) {
1149: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1150: my @interval= &Apache::lonnet::EXT("resource.$part.interval");
1151: if ($interval[0] =~ /\d+/) {
1152: my $first_access=&Apache::lonnet::get_first_access($interval[1]);
1153: if (defined($first_access)) {
1154: my $due_date= &Apache::lonnet::EXT("resource.$part.duedate");
1155: unless (($due_date) && ($due_date < $first_access + $interval[0])) {
1156: $message = &mt("Answer Submitted: Your final submission will be graded when the time limit is reached.");
1157: }
1158: }
1159: }
1160: $css_class=$possible_class{'no_grade'};
1161: $button=1;
1162: }
1163: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1164: !$added_computer_text && $target ne 'tex') {
1165: $message.= $computer;
1166: $added_computer_text=1;
1167: }
1168: if ($Apache::lonhomework::type eq 'practice') {
1169: if ($target eq 'web') {
1170: $message .= '<br />';
1171: } else {
1172: $message .= ' ';
1173: }
1174: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1175: }
1176: return ($button,$css_class,$message,$previousmsg);
1177: }
1178:
1179: sub markup_unit {
1180: my ($unit,$target)=@_;
1181: if ($target eq 'tex') {
1182: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1183: } else {
1184: return "<tt>".$unit."</tt>";
1185: }
1186: }
1187:
1188: sub removealldata {
1189: my ($id)=@_;
1190: foreach my $key (keys(%Apache::lonhomework::results)) {
1191: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1192: &Apache::lonxml::debug("Removing $key");
1193: delete($Apache::lonhomework::results{$key});
1194: }
1195: }
1196: }
1197:
1198: sub hidealldata {
1199: my ($id)=@_;
1200: foreach my $key (keys(%Apache::lonhomework::results)) {
1201: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1202: &Apache::lonxml::debug("Hidding $key");
1203: my $newkey=$key;
1204: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1205: $Apache::lonhomework::results{$newkey}=
1206: $Apache::lonhomework::results{$key};
1207: delete($Apache::lonhomework::results{$key});
1208: }
1209: }
1210: }
1211:
1212: sub setgradedata {
1213: my ($award,$msg,$id,$previously_used) = @_;
1214: if ($Apache::lonhomework::scantronmode &&
1215: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1216: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1217: } elsif ($Apache::lonhomework::scantronmode &&
1218: $env{'form.CODE'} eq '' &&
1219: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1220: $Apache::lonhomework::results{"resource.CODE"}='';
1221: }
1222:
1223: if (!$Apache::lonhomework::scantronmode &&
1224: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1225: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1226: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1227: return '';
1228: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} < 1
1229: || $Apache::lonhomework::scantronmode
1230: || &Apache::lonhomework::hide_problem_status() ) {
1231: # the student doesn't already have it correct,
1232: # or we are in a mode (scantron orno problem status) where a correct
1233: # can become incorrect
1234: # handle assignment of tries and solved status
1235: my $solvemsg;
1236: if ($Apache::lonhomework::scantronmode) {
1237: $solvemsg='correct_by_scantron';
1238: } else {
1239: $solvemsg='correct_by_student';
1240: }
1241: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1242: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1243: }
1244: if ( $award eq 'ASSIGNED_SCORE') {
1245: $Apache::lonhomework::results{"resource.$id.tries"} =
1246: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1247: $Apache::lonhomework::results{"resource.$id.solved"} =
1248: $solvemsg;
1249: my $numawards=scalar(@Apache::inputtags::response);
1250: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1251: foreach my $res (@Apache::inputtags::response) {
1252: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1253: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1254: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1255: } else {
1256: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1257: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1258: }
1259: }
1260: if ($numawards > 0) {
1261: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1262: $numawards;
1263: }
1264: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1265: $Apache::lonhomework::results{"resource.$id.tries"} =
1266: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1267: $Apache::lonhomework::results{"resource.$id.solved"} =
1268: $solvemsg;
1269: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1270: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1271: $Apache::lonhomework::results{"resource.$id.tries"} =
1272: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1273: $Apache::lonhomework::results{"resource.$id.solved"} =
1274: 'credit_attempted';
1275: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1276: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1277: $Apache::lonhomework::results{"resource.$id.tries"} =
1278: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1279: $Apache::lonhomework::results{"resource.$id.solved"} =
1280: 'credit_attempted';
1281: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1282: } elsif ( $award eq 'INCORRECT' ) {
1283: $Apache::lonhomework::results{"resource.$id.tries"} =
1284: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1285: if (&Apache::lonhomework::hide_problem_status()
1286: || $Apache::lonhomework::scantronmode) {
1287: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1288: }
1289: $Apache::lonhomework::results{"resource.$id.solved"} =
1290: 'incorrect_attempted';
1291: } elsif ( $award eq 'SUBMITTED' ) {
1292: $Apache::lonhomework::results{"resource.$id.tries"} =
1293: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1294: $Apache::lonhomework::results{"resource.$id.solved"} =
1295: 'ungraded_attempted';
1296: } elsif ( $award eq 'ANONYMOUS' ) {
1297: $Apache::lonhomework::results{"resource.$id.tries"} =
1298: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1299: $Apache::lonhomework::results{"resource.$id.solved"} =
1300: 'ungraded_attempted';
1301: } elsif ( $award eq 'DRAFT' ) {
1302: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1303: } elsif ( $award eq 'NO_RESPONSE' ) {
1304: #no real response so delete any data that got stored
1305: &removealldata($id);
1306: return '';
1307: } else {
1308: $Apache::lonhomework::results{"resource.$id.solved"} =
1309: 'incorrect_attempted';
1310: if (&Apache::lonhomework::show_no_problem_status()
1311: || $Apache::lonhomework::scantronmode) {
1312: $Apache::lonhomework::results{"resource.$id.tries"} =
1313: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1314: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1315: }
1316:
1317: if (&Apache::lonhomework::show_some_problem_status()) {
1318: # clear out the awarded if they had gotten it wrong/right
1319: # and are now in an error mode
1320: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1321: }
1322: }
1323: if (defined($msg)) {
1324: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1325: }
1326: # did either of the overall awards chage? If so ignore the
1327: # previous check
1328: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1329: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1330: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1331: $Apache::lonhomework::history{"resource.$id.solved"})) {
1332: # check if this was a previous submission if it was delete the
1333: # unneeded data and update the previously_used attribute
1334: if ( $previously_used eq 'PREVIOUSLY_USED') {
1335: if (&Apache::lonhomework::show_problem_status()) {
1336: delete($Apache::lonhomework::results{"resource.$id.tries"});
1337: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1338: }
1339: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1340: #delete all data as they student didn't do anything, but save
1341: #the list of collaborators.
1342: &removealldata($id);
1343: #and since they didn't do anything we were never here
1344: return '';
1345: } else {
1346: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1347: }
1348: }
1349: } elsif ( $Apache::lonhomework::history{"resource.$id.awarded"} == 1 ) {
1350: #delete all data as they student already has it correct
1351: &removealldata($id);
1352: #and since they didn't do anything we were never here
1353: return '';
1354: }
1355: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1356: if ($award eq 'SUBMITTED') {
1357: &Apache::response::add_to_gradingqueue();
1358: }
1359: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1360: $Apache::lonhomework::results{"resource.$id.duedate"} = &Apache::lonnet::EXT("resource.$id.duedate");
1361: $Apache::lonhomework::results{"resource.$id.hinttries"} = &Apache::lonnet::EXT("resource.$id.hinttries");
1362: $Apache::lonhomework::results{"resourse.$id.version"} = &Apache::lonnet::usedversion();
1363: }
1364:
1365: sub find_which_previous {
1366: my ($version) = @_;
1367: my $part = $Apache::inputtags::part;
1368: my (@previous_version);
1369: foreach my $resp (@Apache::inputtags::response) {
1370: my $key = "$version:resource.$part.$resp.submission";
1371: my $submission = $Apache::lonhomework::history{$key};
1372: my %previous = &Apache::response::check_for_previous($submission,
1373: $part,$resp,
1374: $version);
1375: push(@previous_version,$previous{'version'});
1376: }
1377: return &previous_match(\@previous_version,
1378: scalar(@Apache::inputtags::response));
1379: }
1380:
1381: sub previous_match {
1382: my ($previous_array,$count) = @_;
1383: my $match = 0;
1384: my @matches;
1385: foreach my $versionar (@$previous_array) {
1386: foreach my $version (@$versionar) {
1387: $matches[$version]++;
1388: }
1389: }
1390: my $which=0;
1391: foreach my $elem (@matches) {
1392: if ($elem eq $count) {
1393: $match=1;
1394: last;
1395: }
1396: $which++;
1397: }
1398: return ($match,$which);
1399: }
1400:
1401: sub grade {
1402: my ($target) = @_;
1403: my $id = $Apache::inputtags::part;
1404: my $response='';
1405: if ( defined $env{'form.submitted'}) {
1406: my (@awards,@msgs);
1407: foreach $response (@Apache::inputtags::response) {
1408: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1409: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1410: &Apache::lonxml::debug("keeping $value from $response for $id");
1411: push (@awards,$value);
1412: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1413: &Apache::lonxml::debug("got message $value from $response for $id");
1414: push (@msgs,$value);
1415: }
1416: my ($finalaward,$msg) =
1417: &finalizeawards(\@awards,\@msgs,undef,undef,
1418: $Apache::lonhomework::scantronmode);
1419: my $previously_used;
1420: if ( $#Apache::inputtags::previous eq $#awards ) {
1421: my ($match) =
1422: &previous_match(\@Apache::inputtags::previous_version,
1423: scalar(@Apache::inputtags::response));
1424:
1425: if ($match) {
1426: $previously_used = 'PREVIOUSLY_LAST';
1427: foreach my $value (@Apache::inputtags::previous) {
1428: if ($value eq 'PREVIOUSLY_USED' ) {
1429: $previously_used = $value;
1430: last;
1431: }
1432: }
1433: }
1434: }
1435: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1436: &setgradedata($finalaward,$msg,$id,$previously_used);
1437: }
1438: return '';
1439: }
1440:
1441: sub get_grade_messages {
1442: my ($id,$prefix,$target,$status,$nocorrect) = @_;
1443: # nocorrect suppresses "Computer's answer now shown above"
1444: my ($message,$latemessage,$trystr,$previousmsg);
1445: my $showbutton = 1;
1446:
1447: my $award = $Apache::lonhomework::history{"$prefix.award"};
1448: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1449: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1450: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1451: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1452: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1453: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1454: &Apache::lonxml::debug('Getting message');
1455: ($showbutton,my $css_class,$message,$previousmsg) =
1456: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1457: $target,(($status eq 'CAN_ANSWER') || $nocorrect));
1458: if ($target eq 'tex') {
1459: $message='\vskip 2 mm '.$message.' ';
1460: } else {
1461: $message="<td class=\"$css_class\">$message</td>";
1462: if ($previousmsg) {
1463: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1464: }
1465: }
1466: }
1467: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1468: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1469: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1470: #if tries are set to negative turn off the Tries/Button and messages
1471: if (defined($maxtries) && $maxtries < 0) { return ''; }
1472: if ( $tries eq '' ) { $tries = '0'; }
1473: if ( $maxtries eq '' ) { $maxtries = '2'; }
1474: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1475: my $tries_text= &get_tries_text();
1476: if ($showbutton) {
1477: if ($target eq 'tex') {
1478: if ($env{'request.state'} ne "construct"
1479: && $Apache::lonhomework::type ne 'exam'
1480: && $env{'form.suppress_tries'} ne 'yes') {
1481: $trystr ='{\vskip 1 mm \small '
1482: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1483: ,'\textit{','}',$tries.'/'.$maxtries )
1484: .'} \vskip 2 mm';
1485: } else {
1486: $trystr = '\vskip 0 mm ';
1487: }
1488: } else {
1489: my $trial =$tries;
1490: if ($Apache::lonhomework::parsing_a_task) {
1491: } elsif($env{'request.state'} ne 'construct') {
1492: $trial.="/".&Apache::lonhtmlcommon::direct_parm_link($maxtries,$env{'request.symb'},'maxtries',$id,$target);
1493: } else {
1494: if (defined($Apache::inputtags::params{'maxtries'})) {
1495: $trial.="/".$Apache::inputtags::params{'maxtries'};
1496: }
1497: }
1498: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text.' [_1]',$trial).'</span></td>';
1499: }
1500: }
1501:
1502: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1503: #last submissions was after due date
1504: $latemessage=&mt(' The last submission was after the Due Date ');;
1505: if ($target eq 'web') {
1506: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1507: }
1508: }
1509: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1510: }
1511:
1512: sub gradestatus {
1513: my ($id,$target,$no_previous) = @_;
1514: my $showbutton = 1;
1515: my $message = '';
1516: my $latemessage = '';
1517: my $trystr='';
1518: my $button='';
1519: my $previousmsg='';
1520:
1521: my $status = $Apache::inputtags::status['-1'];
1522: &Apache::lonxml::debug("gradestatus has :$status:");
1523: if ( $status ne 'CLOSED'
1524: && $status ne 'UNAVAILABLE'
1525: && $status ne 'INVALID_ACCESS'
1526: && $status ne 'NEEDS_CHECKIN'
1527: && $status ne 'NOT_IN_A_SLOT'
1528: && $status ne 'RESERVABLE'
1529: && $status ne 'RESERVABLE_LATER'
1530: && $status ne 'NOTRESERVABLE') {
1531:
1532: if ($status eq 'SHOW_ANSWER') {
1533: $showbutton = 0;
1534: }
1535:
1536: ($previousmsg,$latemessage,$message,$trystr) =
1537: &get_grade_messages($id,"resource.$id",$target,$status,
1538: $showbutton);
1539: if ($status eq 'CANNOT_ANSWER') {
1540: $showbutton = 0;
1541: }
1542: if ( $status eq 'SHOW_ANSWER') {
1543: undef($previousmsg);
1544: }
1545: if ( $showbutton ) {
1546: if ($target ne 'tex') {
1547: $button =
1548: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1549: type="submit" name="submit_'.$id.'"
1550: value="'.&mt('Submit Answer').'" />';
1551: }
1552: }
1553:
1554: }
1555: my $output= $previousmsg.$latemessage.$message.$trystr;
1556: if ($output =~ /^\s*$/) {
1557: return $button;
1558: } else {
1559: if ($target eq 'tex') {
1560: return $button.' \vskip 0 mm '.$output.' ';
1561: } else {
1562: $output =
1563: '<table><tr><td>'.$button.'</td>'.$output;
1564: if (!$no_previous) {
1565: $output.='<td>'.&previous_tries($id,$target).'</td>';
1566: }
1567: $output.= '</tr></table>';
1568: return $output;
1569: }
1570: }
1571: }
1572:
1573: sub previous_tries {
1574: my ($id,$target) = @_;
1575: my $output;
1576: my $status = $Apache::inputtags::status['-1'];
1577:
1578: my $count;
1579: my %count_lookup;
1580: my $lastrndseed;
1581:
1582: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1583: my $prefix = $i.":resource.$id";
1584: my $is_anon;
1585: if (defined($env{'form.grade_symb'})) {
1586: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1587: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1588: $is_anon = 1;
1589: }
1590: }
1591: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1592: $count++;
1593: $count_lookup{$i} = $count;
1594: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1595: my ($previousmsg,$latemessage,$message,$trystr);
1596:
1597: ($previousmsg,$latemessage,$message,$trystr) =
1598: &get_grade_messages($id,"$prefix",$target,$status);
1599:
1600: if ($previousmsg ne '') {
1601: my ($match,$which) = &find_which_previous($i);
1602: $message=$previousmsg;
1603: my $previous = $count_lookup{$which};
1604: $message =~ s{(</td>)}{ as submission \# $previous $1};
1605: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1606: if (!(&Apache::lonhomework::hide_problem_status()
1607: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1608: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1609: ) {
1610:
1611: my $txt_correct = &mt('Correct');
1612: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1613: if ($awarded < 1 && $awarded > 0) {
1614: $txt_correct=&mt('Partially Correct');
1615: } elsif ($awarded < 1) {
1616: if ($awarded eq '') {
1617: $txt_correct='';
1618: } else {
1619: $txt_correct=&mt('Incorrect');
1620: }
1621: }
1622: $message =~ s{(<td.*?>)(.*?)(</td>)}
1623: {$1 <strong>$txt_correct</strong>. $3}s;
1624: }
1625: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1626: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1627: if ($curr_rndseed ne $lastrndseed) {
1628: $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>';
1629: }
1630: }
1631: $message =~ s{(</td>)}{ $trystr $1};
1632: }
1633: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1634: $message =~ s{(<td.*?>)}{<td>};
1635:
1636:
1637: $output.='<tr class="'.$class.'">';
1638: $output.='<td align="center">'.$count.'</td>';
1639: $output.=$message;
1640:
1641: foreach my $resid (@Apache::inputtags::response) {
1642: my $prefix = $prefix.".$resid";
1643: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1644: my $submission =
1645: $Apache::inputtags::submission_display{"$prefix.submission"};
1646: if (!defined($submission)) {
1647: $submission =
1648: $Apache::lonhomework::history{"$prefix.submission"};
1649: }
1650: if ($is_anon) {
1651: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1652: } else {
1653: $output.='<td>'.$submission.'</td>';
1654: }
1655: } else {
1656: $output.='<td></td>';
1657: }
1658: }
1659: $output.=&Apache::loncommon::end_data_table_row()."\n";
1660: $lastrndseed = $curr_rndseed;
1661: }
1662: return if ($output eq '');
1663: my $headers =
1664: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1665: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1666: &mt('Submitted Answer').'</th>';
1667: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1668:
1669: my $tries_text = &get_tries_text('link');
1670: my $prefix = $env{'form.request.prefix'};
1671: $prefix =~ tr{.}{_};
1672: my $function_name = "LONCAPA_previous_tries_".$prefix.
1673: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1674: my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
1675: return $result;
1676: }
1677:
1678: sub get_tries_text {
1679: my ($context) = @_;
1680: my $tries_text;
1681: if ($context eq 'link') {
1682: $tries_text = 'Previous Tries';
1683: } else {
1684: $tries_text = 'Tries';
1685: }
1686: if ( $Apache::lonhomework::type eq 'survey' ||
1687: $Apache::lonhomework::type eq 'surveycred' ||
1688: $Apache::lonhomework::type eq 'anonsurvey' ||
1689: $Apache::lonhomework::type eq 'anonsurveycred' ||
1690: $Apache::lonhomework::parsing_a_task) {
1691: if ($context eq 'link') {
1692: $tries_text = 'Previous Submissions';
1693: } else {
1694: $tries_text = 'Submissions';
1695: }
1696: }
1697: return $tries_text;
1698: }
1699:
1700: 1;
1701: __END__
1702:
1703: =pod
1704:
1705: =back
1706:
1707: =cut
1708:
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