File:
[LON-CAPA] /
loncom /
homework /
inputtags.pm
Revision
1.270:
download - view:
text,
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select for diffs
Sun Aug 29 19:39:16 2010 UTC (13 years, 11 months ago) by
raeburn
Branches:
MAIN
CVS tags:
HEAD
- Correction to regexp used for files uploaded from desktop to essayresponse from
pre-2.10 versions of LON-CAPA.
- Only show checkboxes for deletion of previously submitted files if problem is
still answerable.
1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.270 2010/08/29 19:39:16 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',('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 $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"');
179: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
180: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
181: if ( $cols eq '') { $cols = 80; }
182: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
183: if ( $rows eq '') { $rows = 16; }
184: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
185: $result='';
186: if ($addchars) {
187: $result.=&addchars('HWVAL_'.$resid,$addchars);
188: }
189: my $textareaclass = 'class="LC_richDetectHtml"';
190: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
191: 'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass.'>'.
192: $oldresponse;
193: if ($oldresponse ne '') {
194:
195: #get rid of any startup text if the user has already responded
196: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
197: }
198: } else {
199: #show past answer in the essayresponse case
200: if ($oldresponse =~ /\S/
201: && &Apache::londefdef::is_inside_of($tagstack,
202: 'essayresponse') ) {
203: $result='<table class="LC_pastsubmission"><tr><td>'.
204: $oldresponse.'</td></tr></table>';
205: }
206: #get rid of any startup text
207: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
208: }
209: } elsif ($target eq 'grade') {
210: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
211: $style);
212: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
213: # if the seed text is still there it wasn't a real submission
214: $env{'form.HWVAL_'.$resid}='';
215: }
216: } elsif ($target eq 'edit') {
217: $result.=&Apache::edit::tag_start($target,$token);
218: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
219: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
220: $result.=&Apache::edit::text_arg
221: ('Click-On Texts (comma sep):','addchars',$token,10);
222: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
223: $style);
224: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
225: } elsif ($target eq 'modified') {
226: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
227: $safeeval,'rows','cols',
228: 'addchars');
229: if ($constructtag) {
230: $result = &Apache::edit::rebuild_tag($token);
231: } else {
232: $result=$token->[4];
233: }
234: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
235: } elsif ($target eq 'tex') {
236: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
237: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
238: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
239: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
240: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
241: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
242: } else {
243: my $TeXwidth=$width_of_box/80;
244: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
245: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
246: $result.='}}}\vskip 2 mm ';
247: }
248: }
249: return $result;
250: }
251:
252: sub end_textfield {
253: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
254: my $result;
255: if ($target eq 'web') {
256: $Apache::lonxml::evaluate++;
257: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
258: return "</textarea>";
259: }
260: } elsif ($target eq 'edit') {
261: $result=&Apache::edit::end_table();
262: }
263: &end_input;
264: return $result;
265: }
266:
267: sub exam_score_line {
268: my ($target) = @_;
269:
270: my $result;
271: if ($target eq 'tex') {
272: my $repetition = &Apache::response::repetition();
273: $result.='\begin{enumerate}';
274: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
275: foreach my $i (0..$repetition-1) {
276: $result.='\item[\textbf{'.
277: ($Apache::lonxml::counter+$i).
278: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
279: }
280: $result.= '\end{enumerate}';
281: }
282:
283: return $result;
284: }
285:
286: sub exam_box {
287: my ($target) = @_;
288: my $result;
289:
290: if ($target eq 'tex') {
291: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
292: $result .= &exam_score_line($target);
293: } elsif ($target eq 'web') {
294: my $id=$Apache::inputtags::response[-1];
295: $result.= '<br /><br />
296: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
297: </textarea> <br /><br />';
298: }
299: return $result;
300: }
301:
302: sub needs_exam_box {
303: my ($tagstack) = @_;
304: my @tags = ('formularesponse',
305: 'stringresponse',
306: 'reactionresponse',
307: 'organicresponse',
308: );
309:
310: foreach my $tag (@tags) {
311: if (grep(/\Q$tag\E/,@$tagstack)) {
312: return 1;
313: }
314: }
315: return 0;
316: }
317:
318: sub start_textline {
319: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
320: my $result = "";
321: my $input_id = &start_input($parstack,$safeeval);
322: if ($target eq 'web') {
323: $Apache::lonxml::evaluate--;
324: my $partid=$Apache::inputtags::part;
325: my $id=$Apache::inputtags::response[-1];
326: if (!&Apache::response::show_answer()) {
327: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
328: my $maxlength;
329: if ($size eq '') { $size=20; } else {
330: if ($size < 20) {
331: $maxlength = ' maxlength="'.$size.'"';
332: }
333: }
334: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
335: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
336:
337: if (ref($oldresponse) eq 'ARRAY') {
338: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
339: }
340: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
341: $oldresponse =~ s/^\s+//;
342: $oldresponse =~ s/\s+$//;
343: $oldresponse =~ s/\s+/ /g;
344: if ($Apache::lonhomework::type ne 'exam') {
345: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
346: $result='';
347: if ($addchars) {
348: $result.=&addchars('HWVAL_'.$id,$addchars);
349: }
350: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
351: $safeeval);
352: if (lc($readonly) eq 'yes'
353: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
354: $readonly=' readonly="readonly" ';
355: } else {
356: $readonly='';
357: }
358: my $name = 'HWVAL_'.$id;
359: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
360: $name = "none";
361: }
362: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');" type="text" '.$readonly.' name="'.$name.'" value="'.
363: $oldresponse.'" size="'.$size.'"'.$maxlength.' />';
364: }
365: if ($Apache::lonhomework::type eq 'exam'
366: && &needs_exam_box($tagstack)) {
367: $result.=&exam_box($target);
368: }
369: } else {
370: #right or wrong don't show what was last typed in.
371: my $count = scalar(@Apache::inputtags::inputlist)-1;
372: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
373: #$result='';
374: }
375: } elsif ($target eq 'edit') {
376: $result=&Apache::edit::tag_start($target,$token);
377: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
378: &Apache::edit::text_arg('Click-On Texts (comma sep):',
379: 'addchars',$token,10);
380: $result.=&Apache::edit::select_arg('Readonly:','readonly',
381: ['no','yes'],$token);
382: $result.=&Apache::edit::end_row();
383: $result.=&Apache::edit::end_table();
384: } elsif ($target eq 'modified') {
385: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
386: $safeeval,'size',
387: 'addchars','readonly');
388: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
389: } elsif ($target eq 'tex'
390: && $Apache::lonhomework::type ne 'exam') {
391: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
392: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
393: if ($env{'form.pdfFormFields'} eq 'yes'
394: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
395: my $fieldname = $env{'request.symb'}.
396: '&part_'. $Apache::inputtags::part.
397: '&textresponse'.
398: '&HWVAL_' . $Apache::inputtags::response['-1'];
399: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
400: } else {
401: $result='\framebox['.$size.'][s]{\tiny\strut}';
402: }
403: } elsif ($target eq 'tex'
404: && $Apache::lonhomework::type eq 'exam'
405: && &needs_exam_box($tagstack)) {
406: $result.=&exam_box($target);
407: }
408: return $result;
409: }
410:
411: sub end_textline {
412: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
413: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
414: elsif ($target eq 'edit') { return ('','no'); }
415: &end_input();
416: return "";
417: }
418:
419: sub start_hiddenline {
420: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
421: my $result = "";
422: my $input_id = &start_input($parstack,$safeeval);
423: if ($target eq 'web') {
424: $Apache::lonxml::evaluate--;
425: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
426: my $partid=$Apache::inputtags::part;
427: my $id=$Apache::inputtags::response[-1];
428: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
429: if (ref($oldresponse) eq 'ARRAY') {
430: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
431: }
432: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
433:
434: if ($Apache::lonhomework::type ne 'exam') {
435: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
436: $oldresponse.'" />';
437: }
438: }
439: } elsif ($target eq 'edit') {
440: $result=&Apache::edit::tag_start($target,$token);
441: $result.=&Apache::edit::end_table;
442: }
443:
444: if ( ($target eq 'web' || $target eq 'tex')
445: && $Apache::lonhomework::type eq 'exam'
446: && &needs_exam_box($tagstack)) {
447: $result.=&exam_box($target);
448: }
449: return $result;
450: }
451:
452: sub end_hiddenline {
453: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
454: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
455: elsif ($target eq 'edit') { return ('','no'); }
456: &end_input();
457: return "";
458: }
459:
460: =pod
461:
462: =item file_selector()
463:
464: $part -> partid
465: $id -> responseid
466: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
467: $which -> 'uploadonly' -> only newly uploaded files
468: 'portfolioonly' -> only allow files from portfolio
469: 'both' -> allow files from either location
470: $extratext -> additional text to go between the link and the input box
471: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
472: returns a table row <tr>
473:
474: =cut
475:
476: sub file_selector {
477: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
478: if (!$uploadedfiletypes) { return ''; }
479:
480: my $jspart=$part;
481: $jspart=~s/\./_/g;
482:
483: my $result;
484: my $current_files_display = ¤t_file_submissions($part,$id);
485: my $addfiles;
486: if ($current_files_display) {
487: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
488: $current_files_display.
489: &Apache::lonhtmlcommon::row_closure();
490: $addfiles = &mt('Submit other file(s)');
491: } else {
492: $addfiles = &mt('Choose file(s) to submit');
493: }
494: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
495: my $constraints;
496: if ($uploadedfiletypes ne '*') {
497: $constraints =
498: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
499: }
500: if ($maxfilesize) {
501: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].',
502: '<b>'.$maxfilesize.'</b>').'<br />';
503: }
504: if ($constraints) {
505: $result .= $constraints.'<br />';
506: }
507: if ($which eq 'uploadonly' || $which eq 'both') {
508: $result.=&mt('Submit a file: (only one file per submission)').
509: ' <br /><input type="file" size="50" name="HWFILE'.
510: $jspart.'_'.$id.'" /><br />';
511: }
512: if ( $which eq 'both') {
513: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
514: }
515: if ($which eq 'portfolioonly' || $which eq 'both') {
516: $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"))'."'".'>'.
517: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
518: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
519: '<br />';
520:
521: }
522: $result.=&Apache::lonhtmlcommon::row_closure(1);
523: return $result;
524: }
525:
526: sub current_file_submissions {
527: my ($part,$id) = @_;
528: my $jspart=$part;
529: $jspart=~s/\./_/g;
530: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
531: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
532: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
533: my $header = &Apache::loncommon::start_data_table().
534: &Apache::loncommon::start_data_table_header_row();
535: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
536: $header .= '<th>'.&mt('Delete?').'</th>';
537: }
538: $header .= '<th>'.&mt('Name').'</th>'.
539: '<th>'.&mt('Size (MB)').'</th>'.
540: '<th>'.&mt('Last Modified').'</th>'.
541: &Apache::loncommon::end_data_table_header_row();
542: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
543: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
544: my ($result,$header_shown,%okfiles,%rows,@bad_file_list);
545: if ($uploadedfile) {
546: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
547: my $link = &HTML::Entities::encode($url,'<>&"');
548: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
549: my ($status,$hashref,$error) =
550: ¤t_file_info($url,$link,$name,$path);
551: if ($status eq 'ok') {
552: push(@{$okfiles{$name}},$url);
553: $rows{$url} = $hashref;
554: &Apache::lonxml::extlink($url);
555: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
556: } else {
557: push(@bad_file_list,$error);
558: }
559: }
560: if ($portfiles =~ /[^\s]/) {
561: my $prefix = "/uploaded/$udom/$uname/portfolio";
562: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
563: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
564: my $url = $prefix.$path.$name;
565: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
566: my ($status,$hashref,$error) =
567: ¤t_file_info($url,$uploadedfile,$name,$path);
568: if ($status eq 'ok') {
569: push(@{$okfiles{$name}},$url);
570: $rows{$url} = $hashref;
571: } else {
572: push(@bad_file_list,$error);
573: }
574: }
575: }
576: foreach my $name (sort(keys(%okfiles))) {
577: if (ref($okfiles{$name}) eq 'ARRAY') {
578: foreach my $url (@{$okfiles{$name}}) {
579: if (ref($rows{$url}) eq 'HASH') {
580: my $link = $rows{$url}{link};
581: my $portfile = $rows{$url}{path}.$rows{$url}{name};
582: $portfile = &HTML::Entities::encode($portfile,'<>&"');
583: if ($link) {
584: my $icon=&Apache::loncommon::icon($url);
585: unless ($header_shown) {
586: $result .= $header;
587: $header_shown = 1;
588: }
589: $result.=
590: &Apache::loncommon::start_data_table_row()."\n";
591: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
592: $result .=
593: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
594: ' value="'.$portfile.'" /></td>'."\n";
595: }
596: $result .=
597: '<td><a href="'.$link.'"><img src="'.$icon.
598: '" border="0" />'.$name.'</a></td>'."\n".
599: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
600: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
601: &Apache::loncommon::end_data_table_row();
602: }
603: }
604: }
605: }
606: }
607: if ($header_shown) {
608: $result .= &Apache::loncommon::end_data_table();
609: }
610: if (@bad_file_list) {
611: my $bad_files = '<span class="LC_filename">'.
612: join('</span>, <span class="LC_filename">',@bad_file_list).
613: '</span>';
614: $result.='<p class="LC_error">'.
615: &mt("These file(s) don't exist: [_1]",$bad_files).
616: '</p>';
617: }
618: return $result;
619: }
620:
621: sub current_file_info {
622: my ($url,$uploadedfile,$name,$path) = @_;
623: my ($status,$error,%info);
624: my @stat = &Apache::lonnet::stat_file($url);
625: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
626: my ($lastmod,$size);
627: if ($stat[9] =~ /^\d+$/) {
628: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
629: }
630: $size = $stat[7]/(1024*1024);
631: $size = sprintf("%.3f",$size);
632: %info = (
633: link => $uploadedfile,
634: name => $name,
635: path => $path,
636: size => $size,
637: lastmodified => $lastmod,
638: );
639: $status = 'ok';
640: } else {
641: &Apache::lonnet::logthis("bad file is $url");
642: my $icon=&Apache::loncommon::icon($url);
643: $error = '<a href="'.$url.'"><img src="'.$icon.
644: '" border="0" />'.$uploadedfile.'</a>';
645: }
646: return ($status,\%info,$error);
647: }
648:
649: sub valid_award {
650: my ($award) =@_;
651: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
652: 'NO_RESPONSE',
653: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
654: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
655: 'UNIT_FAIL', 'NO_UNIT',
656: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
657: 'BAD_FORMULA', 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
658: 'MISORDERED_RANK', 'INVALID_FILETYPE',
659: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
660: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
661: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
662: 'ASSIGNED_SCORE', 'APPROX_ANS',
663: 'EXACT_ANS','COMMA_FAIL') {
664: if ($award eq $possibleaward) { return 1; }
665: }
666: return 0;
667: }
668:
669: {
670: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
671: 'TOO_LONG',
672: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
673: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
674: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'INTERNAL_ERROR',
675: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
676: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
677: 'DRAFT', 'SUBMITTED',
678: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
679: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
680: my $i=0;
681: my %fwd_awards = map { ($_,$i++) } @awards;
682: my $max=scalar(@awards);
683: @awards=reverse(@awards);
684: $i=0;
685: my %rev_awards = map { ($_,$i++) } @awards;
686:
687: sub awarddetail_to_awarded {
688: my ($awarddetail) = @_;
689: if ($awarddetail eq 'EXACT_ANS'
690: || $awarddetail eq 'APPROX_ANS') {
691: return 1;
692: }
693: return 0;
694: }
695:
696: sub hide_award {
697: my ($award) = @_;
698: if (&Apache::lonhomework::show_no_problem_status()) {
699: return 1;
700: }
701: if ($award =~
702: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
703: return 1;
704: }
705: return 0;
706: }
707:
708: sub finalizeawards {
709: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
710: my $result;
711: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
712: if ($result eq '' ) {
713: my $blankcount;
714: foreach my $award (@$awardref) {
715: if ($award eq '') {
716: $result='MISSING_ANSWER';
717: $blankcount++;
718: }
719: }
720: if ($blankcount == ($#$awardref + 1)) {
721: return ('NO_RESPONSE');
722: }
723: }
724:
725: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
726:
727: if (!$final_scantron && defined($result)) { return ($result); }
728:
729: # if in scantron mode, if the award for any response is
730: # assigned score, then the part gets an assigned score
731: if ($final_scantron
732: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
733: return ('ASSIGNED_SCORE');
734: }
735:
736: # if in scantron mode, if the award for any response is
737: # correct and there are non-correct responses,
738: # then the part gets an assigned score
739: if ($final_scantron
740: && (grep { $_ eq 'EXACT_ANS' ||
741: $_ eq 'APPROX_ANS' } (@$awardref))
742: && (grep { $_ ne 'EXACT_ANS' &&
743: $_ ne 'APPROX_ANS' } (@$awardref))) {
744: return ('ASSIGNED_SCORE');
745: }
746: # these awards are ordered from most important error through best correct
747: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
748:
749: my $best = $max;
750: my $j=0;
751: my $which;
752: foreach my $award (@$awardref) {
753: if ($awards->{$award} < $best) {
754: $best = $awards->{$award};
755: $which = $j;
756: }
757: $j++;
758: }
759:
760: if (defined($which)) {
761: if (ref($nameref)) {
762: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
763: } else {
764: return ($$awardref[$which],$$msgref[$which]);
765: }
766: }
767: return ('ERROR',undef);
768: }
769: }
770:
771: sub decideoutput {
772: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
773:
774: my $message='';
775: my $button=0;
776: my $previousmsg;
777: my $css_class='orange';
778: my $added_computer_text=0;
779: my %possible_class =
780: ( 'correct' => 'LC_answer_correct',
781: 'charged_try' => 'LC_answer_charged_try',
782: 'not_charged_try' => 'LC_answer_not_charged_try',
783: 'no_grade' => 'LC_answer_no_grade',
784: 'no_message' => 'LC_no_message',
785: );
786:
787: my $part = $Apache::inputtags::part;
788: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
789: my $handgrade = ('yes' eq lc($tohandgrade));
790:
791: my $computer = ($handgrade)? ''
792: : " ".&mt("Computer's answer now shown above.");
793: &Apache::lonxml::debug("handgrade has :$handgrade:");
794:
795: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
796:
797: if ($solved =~ /^correct/) {
798: $css_class=$possible_class{'correct'};
799: $message=&mt('You are correct.');
800: if ($awarded < 1 && $awarded > 0) {
801: $message=&mt('You are partially correct.');
802: $css_class=$possible_class{'not_charged_try'};
803: } elsif ($awarded < 1) {
804: $message=&mt('Incorrect.');
805: $css_class=$possible_class{'charged_try'};
806: }
807: if ($env{'request.filename'} =~
808: m|/res/lib/templates/examupload.problem$|) {
809: $message = &mt("A score has been assigned.");
810: $added_computer_text=1;
811: } else {
812: if ($target eq 'tex') {
813: $message = '\textbf{'.$message.'}';
814: } else {
815: $message = "<b>".$message."</b>";
816: $message.= $computer;
817: }
818: $added_computer_text=1;
819: if ($awarded > 0) {
820: my ($symb) = &Apache::lonnet::whichuser();
821: if (($symb ne '')
822: &&
823: ($env{'course.'.$env{'request.course.id'}.
824: '.disable_receipt_display'} ne 'yes') &&
825: ($Apache::lonhomework::type ne 'practice')) {
826: $message.=(($target eq 'web')?'<br />':' ').
827: &mt('Your receipt no. is [_1]',
828: (&Apache::lonnet::receipt($Apache::inputtags::part).
829: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
830: }
831: }
832: }
833: $button=0;
834: $previousmsg='';
835: } elsif ($solved =~ /^excused/) {
836: if ($target eq 'tex') {
837: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
838: } else {
839: $message = "<b>".&mt('You are excused from the problem.')."</b>";
840: }
841: $css_class=$possible_class{'charged_try'};
842: $button=0;
843: $previousmsg='';
844: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
845: if ($solved =~ /^incorrect/ || $solved eq '') {
846: $message = &mt("Incorrect").".";
847: $css_class=$possible_class{'charged_try'};
848: $button=1;
849: } else {
850: if ($target eq 'tex') {
851: $message = '\textbf{'.&mt('You are correct.').'}';
852: } else {
853: $message = "<b>".&mt('You are correct.')."</b>";
854: $message.= $computer;
855: }
856: $added_computer_text=1;
857: if ($awarded > 0
858: && $env{'course.'.
859: $env{'request.course.id'}.
860: '.disable_receipt_display'} ne 'yes') {
861: $message.=(($target eq 'web')?'<br />':' ').
862: &mt('Your receipt is [_1]',
863: (&Apache::lonnet::receipt($Apache::inputtags::part).
864: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
865: }
866: $css_class=$possible_class{'correct'};
867: $button=0;
868: $previousmsg='';
869: }
870: } elsif ($award eq 'NO_RESPONSE') {
871: $message = '';
872: $css_class=$possible_class{'no_feedback'};
873: $button=1;
874: } elsif ($award eq 'EXTRA_ANSWER') {
875: $message = &mt('Some extra items were submitted.');
876: $css_class=$possible_class{'not_charged_try'};
877: $button = 1;
878: } elsif ($award eq 'MISSING_ANSWER') {
879: $message = &mt('Some items were not submitted.');
880: if ($target ne 'tex') {
881: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
882: }
883: $css_class=$possible_class{'not_charged_try'};
884: $button = 1;
885: } elsif ($award eq 'ERROR') {
886: $message = &mt('An error occurred while grading your answer.');
887: $css_class=$possible_class{'not_charged_try'};
888: $button = 1;
889: } elsif ($award eq 'TOO_LONG') {
890: $message = &mt("The submitted answer was too long.");
891: $css_class=$possible_class{'not_charged_try'};
892: $button=1;
893: } elsif ($award eq 'WANTED_NUMERIC') {
894: $message = &mt("This question expects a numeric answer.");
895: $css_class=$possible_class{'not_charged_try'};
896: $button=1;
897: } elsif ($award eq 'MISORDERED_RANK') {
898: $message = &mt('You have provided an invalid ranking.');
899: if ($target ne 'tex') {
900: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
901: }
902: $css_class=$possible_class{'not_charged_try'};
903: $button=1;
904: } elsif ($award eq 'EXCESS_FILESIZE') {
905: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
906: $css_class=$possible_class{'not_charged_try'};
907: $button=1;
908: } elsif ($award eq 'FILENAME_INUSE') {
909: $message = &mt('You have already uploaded a file with that filename.');
910: if ($target eq 'tex') {
911: $message.= "\\\\\n";
912: } else {
913: $message .= '<br />';
914: }
915: $message .= &mt('Please use a different file name.');
916: $css_class=$possible_class{'not_charged_try'};
917: $button=1;
918: } elsif ($award eq 'INVALID_FILETYPE') {
919: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
920: $css_class=$possible_class{'not_charged_try'};
921: $button=1;
922: } elsif ($award eq 'SIG_FAIL') {
923: my ($used,$min,$max)=split(':',$awardmsg);
924: my $word = ($used < $min) ? 'more' : 'fewer';
925: $message = &mt("Submission not graded. Use $word digits.",$used);
926: $css_class=$possible_class{'not_charged_try'};
927: $button=1;
928: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
929: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
930: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
931: $css_class=$possible_class{'not_charged_try'};
932: $button=1;
933: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
934: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
935: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
936: $css_class=$possible_class{'not_charged_try'};
937: $button=1;
938: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
939: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
940: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
941: $css_class=$possible_class{'not_charged_try'};
942: $button=1;
943: } elsif ($award eq 'UNIT_NOTNEEDED') {
944: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
945: $css_class=$possible_class{'not_charged_try'};
946: $button=1;
947: } elsif ($award eq 'NO_UNIT') {
948: $message = &mt("Units required").'.';
949: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
950: $css_class=$possible_class{'not_charged_try'};
951: $button=1;
952: } elsif ($award eq 'COMMA_FAIL') {
953: $message = &mt("Proper comma separation is required").'.';
954: $css_class=$possible_class{'not_charged_try'};
955: $button=1;
956: } elsif ($award eq 'BAD_FORMULA') {
957: $message = &mt("Unable to understand formula").'.';
958: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
959: $css_class=$possible_class{'not_charged_try'};
960: $button=1;
961: } elsif ($award eq 'INTERNAL_ERROR') {
962: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
963: $css_class=$possible_class{'not_charged_try'};
964: $button=1;
965: } elsif ($award eq 'INCORRECT') {
966: $message = &mt("Incorrect").'.';
967: $css_class=$possible_class{'charged_try'};
968: $button=1;
969: } elsif ($award eq 'SUBMITTED') {
970: $message = &mt("Your submission has been recorded.");
971: $css_class=$possible_class{'no_grade'};
972: $button=1;
973: } elsif ($award eq 'SUBMITTED_CREDIT') {
974: $message = &mt("Your submission has been recorded, and credit awarded.");
975: $css_class=$possible_class{'correct'};
976: $button=1;
977: } elsif ($award eq 'ANONYMOUS') {
978: $message = &mt("Your anonymous submission has been recorded.");
979: $css_class=$possible_class{'no_grade'};
980: $button=1;
981: } elsif ($award eq 'ANONYMOUS_CREDIT') {
982: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
983: $css_class=$possible_class{'correct'};
984: } elsif ($award eq 'DRAFT') {
985: $message = &mt("Copy saved but not submitted.");
986: $css_class=$possible_class{'not_charged_try'};
987: $button=1;
988: } elsif ($award eq 'ASSIGNED_SCORE') {
989: $message = &mt("A score has been assigned.");
990: $css_class=$possible_class{'correct'};
991: $button=0;
992: } elsif ($award eq '') {
993: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
994: $message = &mt("Nothing submitted.");
995: $css_class=$possible_class{'charged_try'};
996: } else {
997: $css_class=$possible_class{'not_charged_try'};
998: }
999: $button=1;
1000: } else {
1001: $message = &mt("Unknown message").": $award";
1002: $button=1;
1003: }
1004: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1005: foreach my $resid(@Apache::inputtags::response){
1006: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1007: if ($target eq 'tex') {
1008: $message.= "\\\\\n";
1009: } else {
1010: $message.='<br />';
1011: }
1012: my @files = split(/\s*,\s*/,
1013: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1014: my $file_msg;
1015: foreach my $file (@files) {
1016: if ($target eq 'tex') {
1017: $file_msg.= "\\\\\n".$file;
1018: } else {
1019: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1020: }
1021: }
1022: $message .= &mt('Returned file(s): [_1]',$file_msg);
1023: if ($target eq 'tex') {
1024: $message.= "\\\\\n";
1025: } else {
1026: $message.='<br />';
1027: }
1028: }
1029: }
1030:
1031: if (&Apache::lonhomework::hide_problem_status()
1032: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1033: && &hide_award($award)) {
1034: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1035: $css_class=$possible_class{'no_grade'};
1036: $button=1;
1037: }
1038: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1039: !$added_computer_text && $target ne 'tex') {
1040: $message.= $computer;
1041: $added_computer_text=1;
1042: }
1043: if ($Apache::lonhomework::type eq 'practice') {
1044: if ($target eq 'web') {
1045: $message .= '<br />';
1046: } else {
1047: $message .= ' ';
1048: }
1049: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1050: }
1051:
1052: return ($button,$css_class,$message,$previousmsg);
1053: }
1054:
1055: sub markup_unit {
1056: my ($unit,$target)=@_;
1057: if ($target eq 'tex') {
1058: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1059: } else {
1060: return "<tt>".$unit."</tt>";
1061: }
1062: }
1063:
1064: sub removealldata {
1065: my ($id)=@_;
1066: foreach my $key (keys(%Apache::lonhomework::results)) {
1067: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1068: &Apache::lonxml::debug("Removing $key");
1069: delete($Apache::lonhomework::results{$key});
1070: }
1071: }
1072: }
1073:
1074: sub hidealldata {
1075: my ($id)=@_;
1076: foreach my $key (keys(%Apache::lonhomework::results)) {
1077: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1078: &Apache::lonxml::debug("Hidding $key");
1079: my $newkey=$key;
1080: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1081: $Apache::lonhomework::results{$newkey}=
1082: $Apache::lonhomework::results{$key};
1083: delete($Apache::lonhomework::results{$key});
1084: }
1085: }
1086: }
1087:
1088: sub setgradedata {
1089: my ($award,$msg,$id,$previously_used) = @_;
1090: if ($Apache::lonhomework::scantronmode &&
1091: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1092: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1093: } elsif ($Apache::lonhomework::scantronmode &&
1094: $env{'form.CODE'} eq '' &&
1095: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1096: $Apache::lonhomework::results{"resource.CODE"}='';
1097: }
1098:
1099: if (!$Apache::lonhomework::scantronmode &&
1100: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1101: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1102: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1103: return '';
1104: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1105: /^correct/
1106: || $Apache::lonhomework::scantronmode
1107: || &Apache::lonhomework::hide_problem_status() ) {
1108: # the student doesn't already have it correct,
1109: # or we are in a mode (scantron orno problem status) where a correct
1110: # can become incorrect
1111: # handle assignment of tries and solved status
1112: my $solvemsg;
1113: if ($Apache::lonhomework::scantronmode) {
1114: $solvemsg='correct_by_scantron';
1115: } else {
1116: $solvemsg='correct_by_student';
1117: }
1118: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1119: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1120: }
1121: if ( $award eq 'ASSIGNED_SCORE') {
1122: $Apache::lonhomework::results{"resource.$id.tries"} =
1123: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1124: $Apache::lonhomework::results{"resource.$id.solved"} =
1125: $solvemsg;
1126: my $numawards=scalar(@Apache::inputtags::response);
1127: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1128: foreach my $res (@Apache::inputtags::response) {
1129: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1130: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1131: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1132: } else {
1133: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1134: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1135: }
1136: }
1137: if ($numawards > 0) {
1138: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1139: $numawards;
1140: }
1141: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1142: $Apache::lonhomework::results{"resource.$id.tries"} =
1143: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1144: $Apache::lonhomework::results{"resource.$id.solved"} =
1145: $solvemsg;
1146: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1147: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1148: $Apache::lonhomework::results{"resource.$id.tries"} =
1149: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1150: $Apache::lonhomework::results{"resource.$id.solved"} =
1151: 'credit_attempted';
1152: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1153: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1154: $Apache::lonhomework::results{"resource.$id.tries"} =
1155: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1156: $Apache::lonhomework::results{"resource.$id.solved"} =
1157: 'credit_attempted';
1158: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1159: } elsif ( $award eq 'INCORRECT' ) {
1160: $Apache::lonhomework::results{"resource.$id.tries"} =
1161: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1162: if (&Apache::lonhomework::hide_problem_status()
1163: || $Apache::lonhomework::scantronmode) {
1164: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1165: }
1166: $Apache::lonhomework::results{"resource.$id.solved"} =
1167: 'incorrect_attempted';
1168: } elsif ( $award eq 'SUBMITTED' ) {
1169: $Apache::lonhomework::results{"resource.$id.tries"} =
1170: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1171: $Apache::lonhomework::results{"resource.$id.solved"} =
1172: 'ungraded_attempted';
1173: } elsif ( $award eq 'ANONYMOUS' ) {
1174: $Apache::lonhomework::results{"resource.$id.tries"} =
1175: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1176: $Apache::lonhomework::results{"resource.$id.solved"} =
1177: 'ungraded_attempted';
1178: } elsif ( $award eq 'DRAFT' ) {
1179: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1180: } elsif ( $award eq 'NO_RESPONSE' ) {
1181: #no real response so delete any data that got stored
1182: &removealldata($id);
1183: return '';
1184: } else {
1185: $Apache::lonhomework::results{"resource.$id.solved"} =
1186: 'incorrect_attempted';
1187: if (&Apache::lonhomework::show_no_problem_status()
1188: || $Apache::lonhomework::scantronmode) {
1189: $Apache::lonhomework::results{"resource.$id.tries"} =
1190: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1191: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1192: }
1193:
1194: if (&Apache::lonhomework::show_some_problem_status()) {
1195: # clear out the awarded if they had gotten it wrong/right
1196: # and are now in an error mode
1197: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1198: }
1199: }
1200: if (defined($msg)) {
1201: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1202: }
1203: # did either of the overall awards chage? If so ignore the
1204: # previous check
1205: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1206: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1207: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1208: $Apache::lonhomework::history{"resource.$id.solved"})) {
1209: # check if this was a previous submission if it was delete the
1210: # unneeded data and update the previously_used attribute
1211: if ( $previously_used eq 'PREVIOUSLY_USED') {
1212: if (&Apache::lonhomework::show_problem_status()) {
1213: delete($Apache::lonhomework::results{"resource.$id.tries"});
1214: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1215: }
1216: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1217: #delete all data as they student didn't do anything, but save
1218: #the list of collaborators.
1219: &removealldata($id);
1220: #and since they didn't do anything we were never here
1221: return '';
1222: } else {
1223: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1224: }
1225: }
1226: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
1227: /^correct/ ) {
1228: #delete all data as they student already has it correct
1229: &removealldata($id);
1230: #and since they didn't do anything we were never here
1231: return '';
1232: }
1233: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1234: if ($award eq 'SUBMITTED') {
1235: &Apache::response::add_to_gradingqueue();
1236: }
1237: if (($Apache::lonhomework::type eq 'anonsurvey') ||
1238: ($Apache::lonhomework::type eq 'anonsurveycred')) {
1239: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1240: }
1241: }
1242:
1243: sub find_which_previous {
1244: my ($version) = @_;
1245: my $part = $Apache::inputtags::part;
1246: my (@previous_version);
1247: foreach my $resp (@Apache::inputtags::response) {
1248: my $key = "$version:resource.$part.$resp.submission";
1249: my $submission = $Apache::lonhomework::history{$key};
1250: my %previous = &Apache::response::check_for_previous($submission,
1251: $part,$resp,
1252: $version);
1253: push(@previous_version,$previous{'version'});
1254: }
1255: return &previous_match(\@previous_version,
1256: scalar(@Apache::inputtags::response));
1257: }
1258:
1259: sub previous_match {
1260: my ($previous_array,$count) = @_;
1261: my $match = 0;
1262: my @matches;
1263: foreach my $versionar (@$previous_array) {
1264: foreach my $version (@$versionar) {
1265: $matches[$version]++;
1266: }
1267: }
1268: my $which=0;
1269: foreach my $elem (@matches) {
1270: if ($elem eq $count) {
1271: $match=1;
1272: last;
1273: }
1274: $which++;
1275: }
1276: return ($match,$which);
1277: }
1278:
1279: sub grade {
1280: my ($target) = @_;
1281: my $id = $Apache::inputtags::part;
1282: my $response='';
1283: if ( defined $env{'form.submitted'}) {
1284: my (@awards,@msgs);
1285: foreach $response (@Apache::inputtags::response) {
1286: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1287: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1288: &Apache::lonxml::debug("keeping $value from $response for $id");
1289: push (@awards,$value);
1290: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1291: &Apache::lonxml::debug("got message $value from $response for $id");
1292: push (@msgs,$value);
1293: }
1294: my ($finalaward,$msg) =
1295: &finalizeawards(\@awards,\@msgs,undef,undef,
1296: $Apache::lonhomework::scantronmode);
1297: my $previously_used;
1298: if ( $#Apache::inputtags::previous eq $#awards ) {
1299: my ($match) =
1300: &previous_match(\@Apache::inputtags::previous_version,
1301: scalar(@Apache::inputtags::response));
1302:
1303: if ($match) {
1304: $previously_used = 'PREVIOUSLY_LAST';
1305: foreach my $value (@Apache::inputtags::previous) {
1306: if ($value eq 'PREVIOUSLY_USED' ) {
1307: $previously_used = $value;
1308: last;
1309: }
1310: }
1311: }
1312: }
1313: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1314: &setgradedata($finalaward,$msg,$id,$previously_used);
1315: }
1316: return '';
1317: }
1318:
1319: sub get_grade_messages {
1320: my ($id,$prefix,$target,$status) = @_;
1321:
1322: my ($message,$latemessage,$trystr,$previousmsg);
1323: my $showbutton = 1;
1324:
1325: my $award = $Apache::lonhomework::history{"$prefix.award"};
1326: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1327: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1328: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1329: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1330: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1331: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1332: &Apache::lonxml::debug('Getting message');
1333: ($showbutton,my $css_class,$message,$previousmsg) =
1334: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1335: $target);
1336: if ($target eq 'tex') {
1337: $message='\vskip 2 mm '.$message.' ';
1338: } else {
1339: $message="<td class=\"$css_class\">$message</td>";
1340: if ($previousmsg) {
1341: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1342: }
1343: }
1344: }
1345: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1346: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1347: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1348: #if tries are set to negative turn off the Tries/Button and messages
1349: if (defined($maxtries) && $maxtries < 0) { return ''; }
1350: if ( $tries eq '' ) { $tries = '0'; }
1351: if ( $maxtries eq '' ) { $maxtries = '2'; }
1352: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1353: my $tries_text= &get_tries_text();;
1354: if ($showbutton) {
1355: if ($target eq 'tex') {
1356: if ($env{'request.state'} ne "construct"
1357: && $Apache::lonhomework::type ne 'exam'
1358: && $env{'form.suppress_tries'} ne 'yes') {
1359: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.
1360: $tries.'/'.$maxtries.'} \vskip 2 mm ';
1361: } else {
1362: $trystr = '\vskip 0 mm ';
1363: }
1364: } else {
1365: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text)." $tries";
1366: if ($Apache::lonhomework::parsing_a_task) {
1367: } elsif($env{'request.state'} ne 'construct') {
1368: $trystr.="/$maxtries";
1369: } else {
1370: if (defined($Apache::inputtags::params{'maxtries'})) {
1371: $trystr.="/".$Apache::inputtags::params{'maxtries'};
1372: }
1373: }
1374: $trystr.="</span></td>";
1375: }
1376: }
1377:
1378: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1379: #last submissions was after due date
1380: $latemessage=&mt(' The last submission was after the Due Date ');;
1381: if ($target eq 'web') {
1382: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1383: }
1384: }
1385: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1386: }
1387:
1388: sub gradestatus {
1389: my ($id,$target,$no_previous) = @_;
1390: my $showbutton = 1;
1391: my $message = '';
1392: my $latemessage = '';
1393: my $trystr='';
1394: my $button='';
1395: my $previousmsg='';
1396:
1397: my $status = $Apache::inputtags::status['-1'];
1398: &Apache::lonxml::debug("gradestatus has :$status:");
1399: if ( $status ne 'CLOSED'
1400: && $status ne 'UNAVAILABLE'
1401: && $status ne 'INVALID_ACCESS'
1402: && $status ne 'NEEDS_CHECKIN'
1403: && $status ne 'NOT_IN_A_SLOT') {
1404:
1405: ($previousmsg,$latemessage,$message,$trystr) =
1406: &get_grade_messages($id,"resource.$id",$target,$status,
1407: $showbutton);
1408: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1409: $showbutton = 0;
1410: }
1411: if ( $status eq 'SHOW_ANSWER') {
1412: undef($previousmsg);
1413: }
1414: if ( $showbutton ) {
1415: if ($target ne 'tex') {
1416: $button =
1417: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1418: type="submit" name="submit_'.$id.'"
1419: value="'.&mt('Submit Answer').'" />';
1420: }
1421: }
1422:
1423: }
1424: my $output= $previousmsg.$latemessage.$message.$trystr;
1425: if ($output =~ /^\s*$/) {
1426: return $button;
1427: } else {
1428: if ($target eq 'tex') {
1429: return $button.' \vskip 0 mm '.$output.' ';
1430: } else {
1431: $output =
1432: '<table><tr><td>'.$button.'</td>'.$output;
1433: if (!$no_previous) {
1434: $output.='<td>'.&previous_tries($id,$target).'</td>';
1435: }
1436: $output.= '</tr></table>';
1437: return $output;
1438: }
1439: }
1440: }
1441:
1442: sub previous_tries {
1443: my ($id,$target) = @_;
1444: my $output;
1445: my $status = $Apache::inputtags::status['-1'];
1446:
1447: my $count;
1448: my %count_lookup;
1449:
1450: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1451: my $prefix = $i.":resource.$id";
1452: my $is_anon;
1453: if (defined($env{'form.grade_symb'})) {
1454: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1455: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1456: $is_anon = 1;
1457: }
1458: }
1459: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1460: $count++;
1461: $count_lookup{$i} = $count;
1462:
1463: my ($previousmsg,$latemessage,$message,$trystr);
1464:
1465: ($previousmsg,$latemessage,$message,$trystr) =
1466: &get_grade_messages($id,"$prefix",$target,$status);
1467:
1468: if ($previousmsg ne '') {
1469: my ($match,$which) = &find_which_previous($i);
1470: $message=$previousmsg;
1471: my $previous = $count_lookup{$which};
1472: $message =~ s{(</td>)}{ as submission \# $previous $1};
1473: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1474: if (!(&Apache::lonhomework::hide_problem_status()
1475: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1476: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1477: ) {
1478:
1479: my $txt_correct = &mt('Correct');
1480: $message =~ s{(<td.*?>)(.*?)(</td>)}
1481: {$1 <strong>$txt_correct</strong>. $3}s;
1482: }
1483: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1484: $message =~ s{(</td>)}{ $trystr $1};
1485: }
1486: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1487: $message =~ s{(<td.*?>)}{<td>};
1488:
1489:
1490: $output.='<tr class="'.$class.'">';
1491: $output.='<td align="center">'.$count.'</td>';
1492: $output.=$message;
1493:
1494: foreach my $resid (@Apache::inputtags::response) {
1495: my $prefix = $prefix.".$resid";
1496: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1497: my $submission =
1498: $Apache::inputtags::submission_display{"$prefix.submission"};
1499: if (!defined($submission)) {
1500: $submission =
1501: $Apache::lonhomework::history{"$prefix.submission"};
1502: }
1503: if ($is_anon) {
1504: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1505: } else {
1506: $output.='<td>'.$submission.'</td>';
1507: }
1508: } else {
1509: $output.='<td></td>';
1510: }
1511: }
1512: $output.=&Apache::loncommon::end_data_table_row()."\n";
1513: }
1514: return if ($output eq '');
1515: my $headers =
1516: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1517: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1518: &mt('Submitted Answer').'</th>';
1519: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1520: #return $output;
1521: $output = &Apache::loncommon::js_ready($output);
1522: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
1523:
1524: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1525: my $tries_text = &get_tries_text('link');
1526: my $start_page =
1527: &Apache::loncommon::start_page($tries_text, undef,
1528: {'only_body' => 1,
1529: 'bgcolor' => '#FFFFFF',
1530: 'js_ready' => 1,
1531: 'inherit_jsmath' => 1, });
1532: my $end_page =
1533: &Apache::loncommon::end_page({'js_ready' => 1,});
1534: my $prefix = $env{'form.request.prefix'};
1535: $prefix =~ tr{.}{_};
1536: my $function_name = "LONCAPA_previous_tries_".$prefix.
1537: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1538: my $result ="<script type=\"text/javascript\">
1539: // <![CDATA[
1540: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1541: // ]]>
1542: </script><a href=\"javascript:$function_name();void(0);\">".&mt($tries_text)."</a><br />";
1543: #use Data::Dumper;
1544: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1545: return $result;
1546: }
1547:
1548: sub get_tries_text {
1549: my ($context) = @_;
1550: my $tries_text;
1551: if ($context eq 'link') {
1552: $tries_text = 'Previous Tries';
1553: } else {
1554: $tries_text = 'Tries';
1555: }
1556: if ( $Apache::lonhomework::type eq 'survey' ||
1557: $Apache::lonhomework::type eq 'surveycred' ||
1558: $Apache::lonhomework::type eq 'anonsurvey' ||
1559: $Apache::lonhomework::type eq 'anonsurveycred' ||
1560: $Apache::lonhomework::parsing_a_task) {
1561: if ($context eq 'link') {
1562: $tries_text = 'Previous Submissions';
1563: } else {
1564: $tries_text = 'Submissions';
1565: }
1566: }
1567: return $tries_text;
1568: }
1569:
1570: 1;
1571: __END__
1572:
1573: =pod
1574:
1575: =back
1576:
1577: =cut
1578:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>