1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.271 2010/09/05 20:57:42 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('File').'</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,%legacy,@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: $legacy{$url} = 1;
555: &Apache::lonxml::extlink($url);
556: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
557: } else {
558: push(@bad_file_list,$error);
559: }
560: }
561: if ($portfiles =~ /[^\s]/) {
562: my $prefix = "/uploaded/$udom/$uname/portfolio";
563: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
564: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
565: my $url = $prefix.$path.$name;
566: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
567: my ($status,$hashref,$error) =
568: ¤t_file_info($url,$uploadedfile,$name,$path);
569: if ($status eq 'ok') {
570: push(@{$okfiles{$name}},$url);
571: $rows{$url} = $hashref;
572: } else {
573: push(@bad_file_list,$error);
574: }
575: }
576: }
577: foreach my $name (sort(keys(%okfiles))) {
578: if (ref($okfiles{$name}) eq 'ARRAY') {
579: foreach my $url (@{$okfiles{$name}}) {
580: if (ref($rows{$url}) eq 'HASH') {
581: my $link = $rows{$url}{link};
582: my $portfile = $rows{$url}{path}.$rows{$url}{name};
583: $portfile = &HTML::Entities::encode($portfile,'<>&"');
584: if ($link) {
585: my $icon=&Apache::loncommon::icon($url);
586: unless ($header_shown) {
587: $result .= $header;
588: $header_shown = 1;
589: }
590: $result.=
591: &Apache::loncommon::start_data_table_row()."\n";
592: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
593: $result .=
594: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
595: ' value="'.$portfile.'" /></td>'."\n";
596: }
597: my $showname = $rows{$url}{path}.$name;
598: if ($legacy{$url}) {
599: $showname = $name.' '.&mt('not in portfolio');
600: }
601: $result .=
602: '<td><a href="'.$link.'"><img src="'.$icon.
603: '" border="0" />'.$showname.'</a></td>'."\n".
604: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
605: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
606: &Apache::loncommon::end_data_table_row();
607: }
608: }
609: }
610: }
611: }
612: if ($header_shown) {
613: $result .= &Apache::loncommon::end_data_table();
614: }
615: if (@bad_file_list) {
616: my $bad_files = '<span class="LC_filename">'.
617: join('</span>, <span class="LC_filename">',@bad_file_list).
618: '</span>';
619: $result.='<p class="LC_error">'.
620: &mt("These file(s) don't exist: [_1]",$bad_files).
621: '</p>';
622: }
623: return $result;
624: }
625:
626: sub current_file_info {
627: my ($url,$uploadedfile,$name,$path) = @_;
628: my ($status,$error,%info);
629: my @stat = &Apache::lonnet::stat_file($url);
630: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
631: my ($lastmod,$size);
632: if ($stat[9] =~ /^\d+$/) {
633: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
634: }
635: $size = $stat[7]/(1024*1024);
636: $size = sprintf("%.3f",$size);
637: %info = (
638: link => $uploadedfile,
639: name => $name,
640: path => $path,
641: size => $size,
642: lastmodified => $lastmod,
643: );
644: $status = 'ok';
645: } else {
646: &Apache::lonnet::logthis("bad file is $url");
647: my $icon=&Apache::loncommon::icon($url);
648: $error = '<a href="'.$url.'"><img src="'.$icon.
649: '" border="0" />'.$uploadedfile.'</a>';
650: }
651: return ($status,\%info,$error);
652: }
653:
654: sub valid_award {
655: my ($award) =@_;
656: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
657: 'NO_RESPONSE',
658: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
659: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
660: 'UNIT_FAIL', 'NO_UNIT',
661: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
662: 'BAD_FORMULA', 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
663: 'MISORDERED_RANK', 'INVALID_FILETYPE',
664: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
665: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
666: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
667: 'ASSIGNED_SCORE', 'APPROX_ANS',
668: 'EXACT_ANS','COMMA_FAIL') {
669: if ($award eq $possibleaward) { return 1; }
670: }
671: return 0;
672: }
673:
674: {
675: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
676: 'TOO_LONG',
677: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
678: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
679: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'INTERNAL_ERROR',
680: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
681: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
682: 'DRAFT', 'SUBMITTED',
683: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
684: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
685: my $i=0;
686: my %fwd_awards = map { ($_,$i++) } @awards;
687: my $max=scalar(@awards);
688: @awards=reverse(@awards);
689: $i=0;
690: my %rev_awards = map { ($_,$i++) } @awards;
691:
692: sub awarddetail_to_awarded {
693: my ($awarddetail) = @_;
694: if ($awarddetail eq 'EXACT_ANS'
695: || $awarddetail eq 'APPROX_ANS') {
696: return 1;
697: }
698: return 0;
699: }
700:
701: sub hide_award {
702: my ($award) = @_;
703: if (&Apache::lonhomework::show_no_problem_status()) {
704: return 1;
705: }
706: if ($award =~
707: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
708: return 1;
709: }
710: return 0;
711: }
712:
713: sub finalizeawards {
714: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
715: my $result;
716: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
717: if ($result eq '' ) {
718: my $blankcount;
719: foreach my $award (@$awardref) {
720: if ($award eq '') {
721: $result='MISSING_ANSWER';
722: $blankcount++;
723: }
724: }
725: if ($blankcount == ($#$awardref + 1)) {
726: return ('NO_RESPONSE');
727: }
728: }
729:
730: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
731:
732: if (!$final_scantron && defined($result)) { return ($result); }
733:
734: # if in scantron mode, if the award for any response is
735: # assigned score, then the part gets an assigned score
736: if ($final_scantron
737: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
738: return ('ASSIGNED_SCORE');
739: }
740:
741: # if in scantron mode, if the award for any response is
742: # correct and there are non-correct responses,
743: # then the part gets an assigned score
744: if ($final_scantron
745: && (grep { $_ eq 'EXACT_ANS' ||
746: $_ eq 'APPROX_ANS' } (@$awardref))
747: && (grep { $_ ne 'EXACT_ANS' &&
748: $_ ne 'APPROX_ANS' } (@$awardref))) {
749: return ('ASSIGNED_SCORE');
750: }
751: # these awards are ordered from most important error through best correct
752: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
753:
754: my $best = $max;
755: my $j=0;
756: my $which;
757: foreach my $award (@$awardref) {
758: if ($awards->{$award} < $best) {
759: $best = $awards->{$award};
760: $which = $j;
761: }
762: $j++;
763: }
764:
765: if (defined($which)) {
766: if (ref($nameref)) {
767: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
768: } else {
769: return ($$awardref[$which],$$msgref[$which]);
770: }
771: }
772: return ('ERROR',undef);
773: }
774: }
775:
776: sub decideoutput {
777: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
778:
779: my $message='';
780: my $button=0;
781: my $previousmsg;
782: my $css_class='orange';
783: my $added_computer_text=0;
784: my %possible_class =
785: ( 'correct' => 'LC_answer_correct',
786: 'charged_try' => 'LC_answer_charged_try',
787: 'not_charged_try' => 'LC_answer_not_charged_try',
788: 'no_grade' => 'LC_answer_no_grade',
789: 'no_message' => 'LC_no_message',
790: );
791:
792: my $part = $Apache::inputtags::part;
793: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
794: my $handgrade = ('yes' eq lc($tohandgrade));
795:
796: my $computer = ($handgrade)? ''
797: : " ".&mt("Computer's answer now shown above.");
798: &Apache::lonxml::debug("handgrade has :$handgrade:");
799:
800: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
801:
802: if ($solved =~ /^correct/) {
803: $css_class=$possible_class{'correct'};
804: $message=&mt('You are correct.');
805: if ($awarded < 1 && $awarded > 0) {
806: $message=&mt('You are partially correct.');
807: $css_class=$possible_class{'not_charged_try'};
808: } elsif ($awarded < 1) {
809: $message=&mt('Incorrect.');
810: $css_class=$possible_class{'charged_try'};
811: }
812: if ($env{'request.filename'} =~
813: m|/res/lib/templates/examupload.problem$|) {
814: $message = &mt("A score has been assigned.");
815: $added_computer_text=1;
816: } else {
817: if ($target eq 'tex') {
818: $message = '\textbf{'.$message.'}';
819: } else {
820: $message = "<b>".$message."</b>";
821: $message.= $computer;
822: }
823: $added_computer_text=1;
824: if ($awarded > 0) {
825: my ($symb) = &Apache::lonnet::whichuser();
826: if (($symb ne '')
827: &&
828: ($env{'course.'.$env{'request.course.id'}.
829: '.disable_receipt_display'} ne 'yes') &&
830: ($Apache::lonhomework::type ne 'practice')) {
831: $message.=(($target eq 'web')?'<br />':' ').
832: &mt('Your receipt no. is [_1]',
833: (&Apache::lonnet::receipt($Apache::inputtags::part).
834: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
835: }
836: }
837: }
838: $button=0;
839: $previousmsg='';
840: } elsif ($solved =~ /^excused/) {
841: if ($target eq 'tex') {
842: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
843: } else {
844: $message = "<b>".&mt('You are excused from the problem.')."</b>";
845: }
846: $css_class=$possible_class{'charged_try'};
847: $button=0;
848: $previousmsg='';
849: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
850: if ($solved =~ /^incorrect/ || $solved eq '') {
851: $message = &mt("Incorrect").".";
852: $css_class=$possible_class{'charged_try'};
853: $button=1;
854: } else {
855: if ($target eq 'tex') {
856: $message = '\textbf{'.&mt('You are correct.').'}';
857: } else {
858: $message = "<b>".&mt('You are correct.')."</b>";
859: $message.= $computer;
860: }
861: $added_computer_text=1;
862: if ($awarded > 0
863: && $env{'course.'.
864: $env{'request.course.id'}.
865: '.disable_receipt_display'} ne 'yes') {
866: $message.=(($target eq 'web')?'<br />':' ').
867: &mt('Your receipt is [_1]',
868: (&Apache::lonnet::receipt($Apache::inputtags::part).
869: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
870: }
871: $css_class=$possible_class{'correct'};
872: $button=0;
873: $previousmsg='';
874: }
875: } elsif ($award eq 'NO_RESPONSE') {
876: $message = '';
877: $css_class=$possible_class{'no_feedback'};
878: $button=1;
879: } elsif ($award eq 'EXTRA_ANSWER') {
880: $message = &mt('Some extra items were submitted.');
881: $css_class=$possible_class{'not_charged_try'};
882: $button = 1;
883: } elsif ($award eq 'MISSING_ANSWER') {
884: $message = &mt('Some items were not submitted.');
885: if ($target ne 'tex') {
886: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
887: }
888: $css_class=$possible_class{'not_charged_try'};
889: $button = 1;
890: } elsif ($award eq 'ERROR') {
891: $message = &mt('An error occurred while grading your answer.');
892: $css_class=$possible_class{'not_charged_try'};
893: $button = 1;
894: } elsif ($award eq 'TOO_LONG') {
895: $message = &mt("The submitted answer was too long.");
896: $css_class=$possible_class{'not_charged_try'};
897: $button=1;
898: } elsif ($award eq 'WANTED_NUMERIC') {
899: $message = &mt("This question expects a numeric answer.");
900: $css_class=$possible_class{'not_charged_try'};
901: $button=1;
902: } elsif ($award eq 'MISORDERED_RANK') {
903: $message = &mt('You have provided an invalid ranking.');
904: if ($target ne 'tex') {
905: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
906: }
907: $css_class=$possible_class{'not_charged_try'};
908: $button=1;
909: } elsif ($award eq 'EXCESS_FILESIZE') {
910: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
911: $css_class=$possible_class{'not_charged_try'};
912: $button=1;
913: } elsif ($award eq 'FILENAME_INUSE') {
914: $message = &mt('You have already uploaded a file with that filename.');
915: if ($target eq 'tex') {
916: $message.= "\\\\\n";
917: } else {
918: $message .= '<br />';
919: }
920: $message .= &mt('Please use a different file name.');
921: $css_class=$possible_class{'not_charged_try'};
922: $button=1;
923: } elsif ($award eq 'INVALID_FILETYPE') {
924: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
925: $css_class=$possible_class{'not_charged_try'};
926: $button=1;
927: } elsif ($award eq 'SIG_FAIL') {
928: my ($used,$min,$max)=split(':',$awardmsg);
929: my $word = ($used < $min) ? 'more' : 'fewer';
930: $message = &mt("Submission not graded. Use $word digits.",$used);
931: $css_class=$possible_class{'not_charged_try'};
932: $button=1;
933: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
934: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
935: if ($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_INVALID_STUDENT') {
939: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($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_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
944: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
945: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
946: $css_class=$possible_class{'not_charged_try'};
947: $button=1;
948: } elsif ($award eq 'UNIT_NOTNEEDED') {
949: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
950: $css_class=$possible_class{'not_charged_try'};
951: $button=1;
952: } elsif ($award eq 'NO_UNIT') {
953: $message = &mt("Units required").'.';
954: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
955: $css_class=$possible_class{'not_charged_try'};
956: $button=1;
957: } elsif ($award eq 'COMMA_FAIL') {
958: $message = &mt("Proper comma separation is required").'.';
959: $css_class=$possible_class{'not_charged_try'};
960: $button=1;
961: } elsif ($award eq 'BAD_FORMULA') {
962: $message = &mt("Unable to understand formula").'.';
963: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
964: $css_class=$possible_class{'not_charged_try'};
965: $button=1;
966: } elsif ($award eq 'INTERNAL_ERROR') {
967: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
968: $css_class=$possible_class{'not_charged_try'};
969: $button=1;
970: } elsif ($award eq 'INCORRECT') {
971: $message = &mt("Incorrect").'.';
972: $css_class=$possible_class{'charged_try'};
973: $button=1;
974: } elsif ($award eq 'SUBMITTED') {
975: $message = &mt("Your submission has been recorded.");
976: $css_class=$possible_class{'no_grade'};
977: $button=1;
978: } elsif ($award eq 'SUBMITTED_CREDIT') {
979: $message = &mt("Your submission has been recorded, and credit awarded.");
980: $css_class=$possible_class{'correct'};
981: $button=1;
982: } elsif ($award eq 'ANONYMOUS') {
983: $message = &mt("Your anonymous submission has been recorded.");
984: $css_class=$possible_class{'no_grade'};
985: $button=1;
986: } elsif ($award eq 'ANONYMOUS_CREDIT') {
987: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
988: $css_class=$possible_class{'correct'};
989: } elsif ($award eq 'DRAFT') {
990: $message = &mt("Copy saved but not submitted.");
991: $css_class=$possible_class{'not_charged_try'};
992: $button=1;
993: } elsif ($award eq 'ASSIGNED_SCORE') {
994: $message = &mt("A score has been assigned.");
995: $css_class=$possible_class{'correct'};
996: $button=0;
997: } elsif ($award eq '') {
998: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
999: $message = &mt("Nothing submitted.");
1000: $css_class=$possible_class{'charged_try'};
1001: } else {
1002: $css_class=$possible_class{'not_charged_try'};
1003: }
1004: $button=1;
1005: } else {
1006: $message = &mt("Unknown message").": $award";
1007: $button=1;
1008: }
1009: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1010: foreach my $resid(@Apache::inputtags::response){
1011: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1012: if ($target eq 'tex') {
1013: $message.= "\\\\\n";
1014: } else {
1015: $message.='<br />';
1016: }
1017: my @files = split(/\s*,\s*/,
1018: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1019: my $file_msg;
1020: foreach my $file (@files) {
1021: if ($target eq 'tex') {
1022: $file_msg.= "\\\\\n".$file;
1023: } else {
1024: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1025: }
1026: }
1027: $message .= &mt('Returned file(s): [_1]',$file_msg);
1028: if ($target eq 'tex') {
1029: $message.= "\\\\\n";
1030: } else {
1031: $message.='<br />';
1032: }
1033: }
1034: }
1035:
1036: if (&Apache::lonhomework::hide_problem_status()
1037: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1038: && &hide_award($award)) {
1039: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1040: $css_class=$possible_class{'no_grade'};
1041: $button=1;
1042: }
1043: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1044: !$added_computer_text && $target ne 'tex') {
1045: $message.= $computer;
1046: $added_computer_text=1;
1047: }
1048: if ($Apache::lonhomework::type eq 'practice') {
1049: if ($target eq 'web') {
1050: $message .= '<br />';
1051: } else {
1052: $message .= ' ';
1053: }
1054: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1055: }
1056:
1057: return ($button,$css_class,$message,$previousmsg);
1058: }
1059:
1060: sub markup_unit {
1061: my ($unit,$target)=@_;
1062: if ($target eq 'tex') {
1063: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1064: } else {
1065: return "<tt>".$unit."</tt>";
1066: }
1067: }
1068:
1069: sub removealldata {
1070: my ($id)=@_;
1071: foreach my $key (keys(%Apache::lonhomework::results)) {
1072: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1073: &Apache::lonxml::debug("Removing $key");
1074: delete($Apache::lonhomework::results{$key});
1075: }
1076: }
1077: }
1078:
1079: sub hidealldata {
1080: my ($id)=@_;
1081: foreach my $key (keys(%Apache::lonhomework::results)) {
1082: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1083: &Apache::lonxml::debug("Hidding $key");
1084: my $newkey=$key;
1085: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1086: $Apache::lonhomework::results{$newkey}=
1087: $Apache::lonhomework::results{$key};
1088: delete($Apache::lonhomework::results{$key});
1089: }
1090: }
1091: }
1092:
1093: sub setgradedata {
1094: my ($award,$msg,$id,$previously_used) = @_;
1095: if ($Apache::lonhomework::scantronmode &&
1096: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1097: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1098: } elsif ($Apache::lonhomework::scantronmode &&
1099: $env{'form.CODE'} eq '' &&
1100: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1101: $Apache::lonhomework::results{"resource.CODE"}='';
1102: }
1103:
1104: if (!$Apache::lonhomework::scantronmode &&
1105: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1106: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1107: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1108: return '';
1109: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1110: /^correct/
1111: || $Apache::lonhomework::scantronmode
1112: || &Apache::lonhomework::hide_problem_status() ) {
1113: # the student doesn't already have it correct,
1114: # or we are in a mode (scantron orno problem status) where a correct
1115: # can become incorrect
1116: # handle assignment of tries and solved status
1117: my $solvemsg;
1118: if ($Apache::lonhomework::scantronmode) {
1119: $solvemsg='correct_by_scantron';
1120: } else {
1121: $solvemsg='correct_by_student';
1122: }
1123: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1124: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1125: }
1126: if ( $award eq 'ASSIGNED_SCORE') {
1127: $Apache::lonhomework::results{"resource.$id.tries"} =
1128: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1129: $Apache::lonhomework::results{"resource.$id.solved"} =
1130: $solvemsg;
1131: my $numawards=scalar(@Apache::inputtags::response);
1132: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1133: foreach my $res (@Apache::inputtags::response) {
1134: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1135: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1136: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1137: } else {
1138: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1139: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1140: }
1141: }
1142: if ($numawards > 0) {
1143: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1144: $numawards;
1145: }
1146: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1147: $Apache::lonhomework::results{"resource.$id.tries"} =
1148: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1149: $Apache::lonhomework::results{"resource.$id.solved"} =
1150: $solvemsg;
1151: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1152: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1153: $Apache::lonhomework::results{"resource.$id.tries"} =
1154: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1155: $Apache::lonhomework::results{"resource.$id.solved"} =
1156: 'credit_attempted';
1157: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1158: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1159: $Apache::lonhomework::results{"resource.$id.tries"} =
1160: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1161: $Apache::lonhomework::results{"resource.$id.solved"} =
1162: 'credit_attempted';
1163: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1164: } elsif ( $award eq 'INCORRECT' ) {
1165: $Apache::lonhomework::results{"resource.$id.tries"} =
1166: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1167: if (&Apache::lonhomework::hide_problem_status()
1168: || $Apache::lonhomework::scantronmode) {
1169: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1170: }
1171: $Apache::lonhomework::results{"resource.$id.solved"} =
1172: 'incorrect_attempted';
1173: } elsif ( $award eq 'SUBMITTED' ) {
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 'ANONYMOUS' ) {
1179: $Apache::lonhomework::results{"resource.$id.tries"} =
1180: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1181: $Apache::lonhomework::results{"resource.$id.solved"} =
1182: 'ungraded_attempted';
1183: } elsif ( $award eq 'DRAFT' ) {
1184: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1185: } elsif ( $award eq 'NO_RESPONSE' ) {
1186: #no real response so delete any data that got stored
1187: &removealldata($id);
1188: return '';
1189: } else {
1190: $Apache::lonhomework::results{"resource.$id.solved"} =
1191: 'incorrect_attempted';
1192: if (&Apache::lonhomework::show_no_problem_status()
1193: || $Apache::lonhomework::scantronmode) {
1194: $Apache::lonhomework::results{"resource.$id.tries"} =
1195: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1196: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1197: }
1198:
1199: if (&Apache::lonhomework::show_some_problem_status()) {
1200: # clear out the awarded if they had gotten it wrong/right
1201: # and are now in an error mode
1202: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1203: }
1204: }
1205: if (defined($msg)) {
1206: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1207: }
1208: # did either of the overall awards chage? If so ignore the
1209: # previous check
1210: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1211: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1212: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1213: $Apache::lonhomework::history{"resource.$id.solved"})) {
1214: # check if this was a previous submission if it was delete the
1215: # unneeded data and update the previously_used attribute
1216: if ( $previously_used eq 'PREVIOUSLY_USED') {
1217: if (&Apache::lonhomework::show_problem_status()) {
1218: delete($Apache::lonhomework::results{"resource.$id.tries"});
1219: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1220: }
1221: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1222: #delete all data as they student didn't do anything, but save
1223: #the list of collaborators.
1224: &removealldata($id);
1225: #and since they didn't do anything we were never here
1226: return '';
1227: } else {
1228: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1229: }
1230: }
1231: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
1232: /^correct/ ) {
1233: #delete all data as they student already has it correct
1234: &removealldata($id);
1235: #and since they didn't do anything we were never here
1236: return '';
1237: }
1238: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1239: if ($award eq 'SUBMITTED') {
1240: &Apache::response::add_to_gradingqueue();
1241: }
1242: if (($Apache::lonhomework::type eq 'anonsurvey') ||
1243: ($Apache::lonhomework::type eq 'anonsurveycred')) {
1244: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1245: }
1246: }
1247:
1248: sub find_which_previous {
1249: my ($version) = @_;
1250: my $part = $Apache::inputtags::part;
1251: my (@previous_version);
1252: foreach my $resp (@Apache::inputtags::response) {
1253: my $key = "$version:resource.$part.$resp.submission";
1254: my $submission = $Apache::lonhomework::history{$key};
1255: my %previous = &Apache::response::check_for_previous($submission,
1256: $part,$resp,
1257: $version);
1258: push(@previous_version,$previous{'version'});
1259: }
1260: return &previous_match(\@previous_version,
1261: scalar(@Apache::inputtags::response));
1262: }
1263:
1264: sub previous_match {
1265: my ($previous_array,$count) = @_;
1266: my $match = 0;
1267: my @matches;
1268: foreach my $versionar (@$previous_array) {
1269: foreach my $version (@$versionar) {
1270: $matches[$version]++;
1271: }
1272: }
1273: my $which=0;
1274: foreach my $elem (@matches) {
1275: if ($elem eq $count) {
1276: $match=1;
1277: last;
1278: }
1279: $which++;
1280: }
1281: return ($match,$which);
1282: }
1283:
1284: sub grade {
1285: my ($target) = @_;
1286: my $id = $Apache::inputtags::part;
1287: my $response='';
1288: if ( defined $env{'form.submitted'}) {
1289: my (@awards,@msgs);
1290: foreach $response (@Apache::inputtags::response) {
1291: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1292: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1293: &Apache::lonxml::debug("keeping $value from $response for $id");
1294: push (@awards,$value);
1295: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1296: &Apache::lonxml::debug("got message $value from $response for $id");
1297: push (@msgs,$value);
1298: }
1299: my ($finalaward,$msg) =
1300: &finalizeawards(\@awards,\@msgs,undef,undef,
1301: $Apache::lonhomework::scantronmode);
1302: my $previously_used;
1303: if ( $#Apache::inputtags::previous eq $#awards ) {
1304: my ($match) =
1305: &previous_match(\@Apache::inputtags::previous_version,
1306: scalar(@Apache::inputtags::response));
1307:
1308: if ($match) {
1309: $previously_used = 'PREVIOUSLY_LAST';
1310: foreach my $value (@Apache::inputtags::previous) {
1311: if ($value eq 'PREVIOUSLY_USED' ) {
1312: $previously_used = $value;
1313: last;
1314: }
1315: }
1316: }
1317: }
1318: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1319: &setgradedata($finalaward,$msg,$id,$previously_used);
1320: }
1321: return '';
1322: }
1323:
1324: sub get_grade_messages {
1325: my ($id,$prefix,$target,$status) = @_;
1326:
1327: my ($message,$latemessage,$trystr,$previousmsg);
1328: my $showbutton = 1;
1329:
1330: my $award = $Apache::lonhomework::history{"$prefix.award"};
1331: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1332: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1333: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1334: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1335: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1336: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1337: &Apache::lonxml::debug('Getting message');
1338: ($showbutton,my $css_class,$message,$previousmsg) =
1339: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1340: $target);
1341: if ($target eq 'tex') {
1342: $message='\vskip 2 mm '.$message.' ';
1343: } else {
1344: $message="<td class=\"$css_class\">$message</td>";
1345: if ($previousmsg) {
1346: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1347: }
1348: }
1349: }
1350: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1351: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1352: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1353: #if tries are set to negative turn off the Tries/Button and messages
1354: if (defined($maxtries) && $maxtries < 0) { return ''; }
1355: if ( $tries eq '' ) { $tries = '0'; }
1356: if ( $maxtries eq '' ) { $maxtries = '2'; }
1357: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1358: my $tries_text= &get_tries_text();;
1359: if ($showbutton) {
1360: if ($target eq 'tex') {
1361: if ($env{'request.state'} ne "construct"
1362: && $Apache::lonhomework::type ne 'exam'
1363: && $env{'form.suppress_tries'} ne 'yes') {
1364: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.
1365: $tries.'/'.$maxtries.'} \vskip 2 mm ';
1366: } else {
1367: $trystr = '\vskip 0 mm ';
1368: }
1369: } else {
1370: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text)." $tries";
1371: if ($Apache::lonhomework::parsing_a_task) {
1372: } elsif($env{'request.state'} ne 'construct') {
1373: $trystr.="/$maxtries";
1374: } else {
1375: if (defined($Apache::inputtags::params{'maxtries'})) {
1376: $trystr.="/".$Apache::inputtags::params{'maxtries'};
1377: }
1378: }
1379: $trystr.="</span></td>";
1380: }
1381: }
1382:
1383: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1384: #last submissions was after due date
1385: $latemessage=&mt(' The last submission was after the Due Date ');;
1386: if ($target eq 'web') {
1387: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1388: }
1389: }
1390: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1391: }
1392:
1393: sub gradestatus {
1394: my ($id,$target,$no_previous) = @_;
1395: my $showbutton = 1;
1396: my $message = '';
1397: my $latemessage = '';
1398: my $trystr='';
1399: my $button='';
1400: my $previousmsg='';
1401:
1402: my $status = $Apache::inputtags::status['-1'];
1403: &Apache::lonxml::debug("gradestatus has :$status:");
1404: if ( $status ne 'CLOSED'
1405: && $status ne 'UNAVAILABLE'
1406: && $status ne 'INVALID_ACCESS'
1407: && $status ne 'NEEDS_CHECKIN'
1408: && $status ne 'NOT_IN_A_SLOT') {
1409:
1410: ($previousmsg,$latemessage,$message,$trystr) =
1411: &get_grade_messages($id,"resource.$id",$target,$status,
1412: $showbutton);
1413: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1414: $showbutton = 0;
1415: }
1416: if ( $status eq 'SHOW_ANSWER') {
1417: undef($previousmsg);
1418: }
1419: if ( $showbutton ) {
1420: if ($target ne 'tex') {
1421: $button =
1422: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1423: type="submit" name="submit_'.$id.'"
1424: value="'.&mt('Submit Answer').'" />';
1425: }
1426: }
1427:
1428: }
1429: my $output= $previousmsg.$latemessage.$message.$trystr;
1430: if ($output =~ /^\s*$/) {
1431: return $button;
1432: } else {
1433: if ($target eq 'tex') {
1434: return $button.' \vskip 0 mm '.$output.' ';
1435: } else {
1436: $output =
1437: '<table><tr><td>'.$button.'</td>'.$output;
1438: if (!$no_previous) {
1439: $output.='<td>'.&previous_tries($id,$target).'</td>';
1440: }
1441: $output.= '</tr></table>';
1442: return $output;
1443: }
1444: }
1445: }
1446:
1447: sub previous_tries {
1448: my ($id,$target) = @_;
1449: my $output;
1450: my $status = $Apache::inputtags::status['-1'];
1451:
1452: my $count;
1453: my %count_lookup;
1454:
1455: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1456: my $prefix = $i.":resource.$id";
1457: my $is_anon;
1458: if (defined($env{'form.grade_symb'})) {
1459: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1460: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1461: $is_anon = 1;
1462: }
1463: }
1464: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1465: $count++;
1466: $count_lookup{$i} = $count;
1467:
1468: my ($previousmsg,$latemessage,$message,$trystr);
1469:
1470: ($previousmsg,$latemessage,$message,$trystr) =
1471: &get_grade_messages($id,"$prefix",$target,$status);
1472:
1473: if ($previousmsg ne '') {
1474: my ($match,$which) = &find_which_previous($i);
1475: $message=$previousmsg;
1476: my $previous = $count_lookup{$which};
1477: $message =~ s{(</td>)}{ as submission \# $previous $1};
1478: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1479: if (!(&Apache::lonhomework::hide_problem_status()
1480: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1481: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1482: ) {
1483:
1484: my $txt_correct = &mt('Correct');
1485: $message =~ s{(<td.*?>)(.*?)(</td>)}
1486: {$1 <strong>$txt_correct</strong>. $3}s;
1487: }
1488: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1489: $message =~ s{(</td>)}{ $trystr $1};
1490: }
1491: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1492: $message =~ s{(<td.*?>)}{<td>};
1493:
1494:
1495: $output.='<tr class="'.$class.'">';
1496: $output.='<td align="center">'.$count.'</td>';
1497: $output.=$message;
1498:
1499: foreach my $resid (@Apache::inputtags::response) {
1500: my $prefix = $prefix.".$resid";
1501: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1502: my $submission =
1503: $Apache::inputtags::submission_display{"$prefix.submission"};
1504: if (!defined($submission)) {
1505: $submission =
1506: $Apache::lonhomework::history{"$prefix.submission"};
1507: }
1508: if ($is_anon) {
1509: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1510: } else {
1511: $output.='<td>'.$submission.'</td>';
1512: }
1513: } else {
1514: $output.='<td></td>';
1515: }
1516: }
1517: $output.=&Apache::loncommon::end_data_table_row()."\n";
1518: }
1519: return if ($output eq '');
1520: my $headers =
1521: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1522: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1523: &mt('Submitted Answer').'</th>';
1524: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1525: #return $output;
1526: $output = &Apache::loncommon::js_ready($output);
1527: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
1528:
1529: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1530: my $tries_text = &get_tries_text('link');
1531: my $start_page =
1532: &Apache::loncommon::start_page($tries_text, undef,
1533: {'only_body' => 1,
1534: 'bgcolor' => '#FFFFFF',
1535: 'js_ready' => 1,
1536: 'inherit_jsmath' => 1, });
1537: my $end_page =
1538: &Apache::loncommon::end_page({'js_ready' => 1,});
1539: my $prefix = $env{'form.request.prefix'};
1540: $prefix =~ tr{.}{_};
1541: my $function_name = "LONCAPA_previous_tries_".$prefix.
1542: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1543: my $result ="<script type=\"text/javascript\">
1544: // <![CDATA[
1545: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1546: // ]]>
1547: </script><a href=\"javascript:$function_name();void(0);\">".&mt($tries_text)."</a><br />";
1548: #use Data::Dumper;
1549: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1550: return $result;
1551: }
1552:
1553: sub get_tries_text {
1554: my ($context) = @_;
1555: my $tries_text;
1556: if ($context eq 'link') {
1557: $tries_text = 'Previous Tries';
1558: } else {
1559: $tries_text = 'Tries';
1560: }
1561: if ( $Apache::lonhomework::type eq 'survey' ||
1562: $Apache::lonhomework::type eq 'surveycred' ||
1563: $Apache::lonhomework::type eq 'anonsurvey' ||
1564: $Apache::lonhomework::type eq 'anonsurveycred' ||
1565: $Apache::lonhomework::parsing_a_task) {
1566: if ($context eq 'link') {
1567: $tries_text = 'Previous Submissions';
1568: } else {
1569: $tries_text = 'Submissions';
1570: }
1571: }
1572: return $tries_text;
1573: }
1574:
1575: 1;
1576: __END__
1577:
1578: =pod
1579:
1580: =back
1581:
1582: =cut
1583:
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