1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.269 2010/08/27 17:21:01 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=&HTML::Entities::encode($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: '<th>'.&mt('Delete?').'</th>'.
536: '<th>'.&mt('Name').'</th>'.
537: '<th>'.&mt('Size (MB)').'</th>'.
538: '<th>'.&mt('Last Modified').'</th>'.
539: &Apache::loncommon::end_data_table_header_row();
540: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
541: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
542: my ($result,$header_shown,%okfiles,%rows,@bad_file_list);
543: if ($uploadedfile) {
544: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
545: my ($path,$name) = ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E/(essayresponse/.+/)([^/]+)});
546: my ($status,$hashref,$error) =
547: ¤t_file_info($url,$uploadedfile,$name,$path);
548: if ($status eq 'ok') {
549: push(@{$okfiles{$name}},$url);
550: $rows{$url} = $hashref;
551: &Apache::lonxml::extlink($url);
552: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
553: } else {
554: push(@bad_file_list,$error);
555: }
556: }
557: if ($portfiles =~ /[^\s]/) {
558: my $prefix = "/uploaded/$udom/$uname/portfolio";
559: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
560: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
561: my $url = $prefix.$path.$name;
562: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
563: my ($status,$hashref,$error) =
564: ¤t_file_info($url,$uploadedfile,$name,$path);
565: if ($status eq 'ok') {
566: push(@{$okfiles{$name}},$url);
567: $rows{$url} = $hashref;
568: } else {
569: push(@bad_file_list,$error);
570: }
571: }
572: }
573: foreach my $name (sort(keys(%okfiles))) {
574: if (ref($okfiles{$name}) eq 'ARRAY') {
575: foreach my $url (@{$okfiles{$name}}) {
576: if (ref($rows{$url}) eq 'HASH') {
577: my $link = $rows{$url}{link};
578: my $portfile = $rows{$url}{path}.$rows{$url}{name};
579: $portfile = &HTML::Entities::encode($portfile,'<>&"');
580: if ($link) {
581: my $icon=&Apache::loncommon::icon($url);
582: unless ($header_shown) {
583: $result .= $header;
584: $header_shown = 1;
585: }
586: $result.=
587: &Apache::loncommon::start_data_table_row()."\n".
588: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete" value="'.
589: $portfile.'" /></td>'."\n".
590: '<td><a href="'.$link.'"><img src="'.$icon.
591: '" border="0" />'.$name.'</a></td>'."\n".
592: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
593: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
594: &Apache::loncommon::end_data_table_row();
595: }
596: }
597: }
598: }
599: }
600: if ($header_shown) {
601: $result .= &Apache::loncommon::end_data_table();
602: }
603: if (@bad_file_list) {
604: my $bad_files = '<span class="LC_filename">'.
605: join('</span>, <span class="LC_filename">',@bad_file_list).
606: '</span>';
607: $result.='<p class="LC_error">'.
608: &mt("These file(s) don't exist: [_1]",$bad_files).
609: '</p>';
610: }
611: return $result;
612: }
613:
614: sub current_file_info {
615: my ($url,$uploadedfile,$name,$path) = @_;
616: my ($status,$error,%info);
617: my @stat = &Apache::lonnet::stat_file($url);
618: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
619: my ($lastmod,$size);
620: if ($stat[9] =~ /^\d+$/) {
621: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
622: }
623: $size = $stat[7]/(1024*1024);
624: $size = sprintf("%.3f",$size);
625: %info = (
626: link => $uploadedfile,
627: name => $name,
628: path => $path,
629: size => $size,
630: lastmodified => $lastmod,
631: );
632: $status = 'ok';
633: } else {
634: &Apache::lonnet::logthis("bad file is $url");
635: my $icon=&Apache::loncommon::icon($url);
636: $error = '<a href="'.$url.'"><img src="'.$icon.
637: '" border="0" />'.$uploadedfile.'</a>';
638: }
639: return ($status,\%info,$error);
640: }
641:
642: sub valid_award {
643: my ($award) =@_;
644: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
645: 'NO_RESPONSE',
646: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
647: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
648: 'UNIT_FAIL', 'NO_UNIT',
649: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
650: 'BAD_FORMULA', 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
651: 'MISORDERED_RANK', 'INVALID_FILETYPE',
652: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
653: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
654: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
655: 'ASSIGNED_SCORE', 'APPROX_ANS',
656: 'EXACT_ANS','COMMA_FAIL') {
657: if ($award eq $possibleaward) { return 1; }
658: }
659: return 0;
660: }
661:
662: {
663: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
664: 'TOO_LONG',
665: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
666: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
667: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'INTERNAL_ERROR',
668: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
669: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
670: 'DRAFT', 'SUBMITTED',
671: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
672: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
673: my $i=0;
674: my %fwd_awards = map { ($_,$i++) } @awards;
675: my $max=scalar(@awards);
676: @awards=reverse(@awards);
677: $i=0;
678: my %rev_awards = map { ($_,$i++) } @awards;
679:
680: sub awarddetail_to_awarded {
681: my ($awarddetail) = @_;
682: if ($awarddetail eq 'EXACT_ANS'
683: || $awarddetail eq 'APPROX_ANS') {
684: return 1;
685: }
686: return 0;
687: }
688:
689: sub hide_award {
690: my ($award) = @_;
691: if (&Apache::lonhomework::show_no_problem_status()) {
692: return 1;
693: }
694: if ($award =~
695: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
696: return 1;
697: }
698: return 0;
699: }
700:
701: sub finalizeawards {
702: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
703: my $result;
704: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
705: if ($result eq '' ) {
706: my $blankcount;
707: foreach my $award (@$awardref) {
708: if ($award eq '') {
709: $result='MISSING_ANSWER';
710: $blankcount++;
711: }
712: }
713: if ($blankcount == ($#$awardref + 1)) {
714: return ('NO_RESPONSE');
715: }
716: }
717:
718: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
719:
720: if (!$final_scantron && defined($result)) { return ($result); }
721:
722: # if in scantron mode, if the award for any response is
723: # assigned score, then the part gets an assigned score
724: if ($final_scantron
725: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
726: return ('ASSIGNED_SCORE');
727: }
728:
729: # if in scantron mode, if the award for any response is
730: # correct and there are non-correct responses,
731: # then the part gets an assigned score
732: if ($final_scantron
733: && (grep { $_ eq 'EXACT_ANS' ||
734: $_ eq 'APPROX_ANS' } (@$awardref))
735: && (grep { $_ ne 'EXACT_ANS' &&
736: $_ ne 'APPROX_ANS' } (@$awardref))) {
737: return ('ASSIGNED_SCORE');
738: }
739: # these awards are ordered from most important error through best correct
740: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
741:
742: my $best = $max;
743: my $j=0;
744: my $which;
745: foreach my $award (@$awardref) {
746: if ($awards->{$award} < $best) {
747: $best = $awards->{$award};
748: $which = $j;
749: }
750: $j++;
751: }
752:
753: if (defined($which)) {
754: if (ref($nameref)) {
755: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
756: } else {
757: return ($$awardref[$which],$$msgref[$which]);
758: }
759: }
760: return ('ERROR',undef);
761: }
762: }
763:
764: sub decideoutput {
765: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
766:
767: my $message='';
768: my $button=0;
769: my $previousmsg;
770: my $css_class='orange';
771: my $added_computer_text=0;
772: my %possible_class =
773: ( 'correct' => 'LC_answer_correct',
774: 'charged_try' => 'LC_answer_charged_try',
775: 'not_charged_try' => 'LC_answer_not_charged_try',
776: 'no_grade' => 'LC_answer_no_grade',
777: 'no_message' => 'LC_no_message',
778: );
779:
780: my $part = $Apache::inputtags::part;
781: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
782: my $handgrade = ('yes' eq lc($tohandgrade));
783:
784: my $computer = ($handgrade)? ''
785: : " ".&mt("Computer's answer now shown above.");
786: &Apache::lonxml::debug("handgrade has :$handgrade:");
787:
788: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
789:
790: if ($solved =~ /^correct/) {
791: $css_class=$possible_class{'correct'};
792: $message=&mt('You are correct.');
793: if ($awarded < 1 && $awarded > 0) {
794: $message=&mt('You are partially correct.');
795: $css_class=$possible_class{'not_charged_try'};
796: } elsif ($awarded < 1) {
797: $message=&mt('Incorrect.');
798: $css_class=$possible_class{'charged_try'};
799: }
800: if ($env{'request.filename'} =~
801: m|/res/lib/templates/examupload.problem$|) {
802: $message = &mt("A score has been assigned.");
803: $added_computer_text=1;
804: } else {
805: if ($target eq 'tex') {
806: $message = '\textbf{'.$message.'}';
807: } else {
808: $message = "<b>".$message."</b>";
809: $message.= $computer;
810: }
811: $added_computer_text=1;
812: if ($awarded > 0) {
813: my ($symb) = &Apache::lonnet::whichuser();
814: if (($symb ne '')
815: &&
816: ($env{'course.'.$env{'request.course.id'}.
817: '.disable_receipt_display'} ne 'yes') &&
818: ($Apache::lonhomework::type ne 'practice')) {
819: $message.=(($target eq 'web')?'<br />':' ').
820: &mt('Your receipt no. is [_1]',
821: (&Apache::lonnet::receipt($Apache::inputtags::part).
822: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
823: }
824: }
825: }
826: $button=0;
827: $previousmsg='';
828: } elsif ($solved =~ /^excused/) {
829: if ($target eq 'tex') {
830: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
831: } else {
832: $message = "<b>".&mt('You are excused from the problem.')."</b>";
833: }
834: $css_class=$possible_class{'charged_try'};
835: $button=0;
836: $previousmsg='';
837: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
838: if ($solved =~ /^incorrect/ || $solved eq '') {
839: $message = &mt("Incorrect").".";
840: $css_class=$possible_class{'charged_try'};
841: $button=1;
842: } else {
843: if ($target eq 'tex') {
844: $message = '\textbf{'.&mt('You are correct.').'}';
845: } else {
846: $message = "<b>".&mt('You are correct.')."</b>";
847: $message.= $computer;
848: }
849: $added_computer_text=1;
850: if ($awarded > 0
851: && $env{'course.'.
852: $env{'request.course.id'}.
853: '.disable_receipt_display'} ne 'yes') {
854: $message.=(($target eq 'web')?'<br />':' ').
855: &mt('Your receipt is [_1]',
856: (&Apache::lonnet::receipt($Apache::inputtags::part).
857: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
858: }
859: $css_class=$possible_class{'correct'};
860: $button=0;
861: $previousmsg='';
862: }
863: } elsif ($award eq 'NO_RESPONSE') {
864: $message = '';
865: $css_class=$possible_class{'no_feedback'};
866: $button=1;
867: } elsif ($award eq 'EXTRA_ANSWER') {
868: $message = &mt('Some extra items were submitted.');
869: $css_class=$possible_class{'not_charged_try'};
870: $button = 1;
871: } elsif ($award eq 'MISSING_ANSWER') {
872: $message = &mt('Some items were not submitted.');
873: if ($target ne 'tex') {
874: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
875: }
876: $css_class=$possible_class{'not_charged_try'};
877: $button = 1;
878: } elsif ($award eq 'ERROR') {
879: $message = &mt('An error occurred while grading your answer.');
880: $css_class=$possible_class{'not_charged_try'};
881: $button = 1;
882: } elsif ($award eq 'TOO_LONG') {
883: $message = &mt("The submitted answer was too long.");
884: $css_class=$possible_class{'not_charged_try'};
885: $button=1;
886: } elsif ($award eq 'WANTED_NUMERIC') {
887: $message = &mt("This question expects a numeric answer.");
888: $css_class=$possible_class{'not_charged_try'};
889: $button=1;
890: } elsif ($award eq 'MISORDERED_RANK') {
891: $message = &mt('You have provided an invalid ranking.');
892: if ($target ne 'tex') {
893: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
894: }
895: $css_class=$possible_class{'not_charged_try'};
896: $button=1;
897: } elsif ($award eq 'EXCESS_FILESIZE') {
898: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
899: $css_class=$possible_class{'not_charged_try'};
900: $button=1;
901: } elsif ($award eq 'FILENAME_INUSE') {
902: $message = &mt('You have already uploaded a file with that filename.');
903: if ($target eq 'tex') {
904: $message.= "\\\\\n";
905: } else {
906: $message .= '<br />';
907: }
908: $message .= &mt('Please use a different file name.');
909: $css_class=$possible_class{'not_charged_try'};
910: $button=1;
911: } elsif ($award eq 'INVALID_FILETYPE') {
912: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
913: $css_class=$possible_class{'not_charged_try'};
914: $button=1;
915: } elsif ($award eq 'SIG_FAIL') {
916: my ($used,$min,$max)=split(':',$awardmsg);
917: my $word = ($used < $min) ? 'more' : 'fewer';
918: $message = &mt("Submission not graded. Use $word digits.",$used);
919: $css_class=$possible_class{'not_charged_try'};
920: $button=1;
921: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
922: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
923: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
924: $css_class=$possible_class{'not_charged_try'};
925: $button=1;
926: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
927: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
928: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
929: $css_class=$possible_class{'not_charged_try'};
930: $button=1;
931: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
932: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
933: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
934: $css_class=$possible_class{'not_charged_try'};
935: $button=1;
936: } elsif ($award eq 'UNIT_NOTNEEDED') {
937: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
938: $css_class=$possible_class{'not_charged_try'};
939: $button=1;
940: } elsif ($award eq 'NO_UNIT') {
941: $message = &mt("Units required").'.';
942: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
943: $css_class=$possible_class{'not_charged_try'};
944: $button=1;
945: } elsif ($award eq 'COMMA_FAIL') {
946: $message = &mt("Proper comma separation is required").'.';
947: $css_class=$possible_class{'not_charged_try'};
948: $button=1;
949: } elsif ($award eq 'BAD_FORMULA') {
950: $message = &mt("Unable to understand formula").'.';
951: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
952: $css_class=$possible_class{'not_charged_try'};
953: $button=1;
954: } elsif ($award eq 'INTERNAL_ERROR') {
955: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
956: $css_class=$possible_class{'not_charged_try'};
957: $button=1;
958: } elsif ($award eq 'INCORRECT') {
959: $message = &mt("Incorrect").'.';
960: $css_class=$possible_class{'charged_try'};
961: $button=1;
962: } elsif ($award eq 'SUBMITTED') {
963: $message = &mt("Your submission has been recorded.");
964: $css_class=$possible_class{'no_grade'};
965: $button=1;
966: } elsif ($award eq 'SUBMITTED_CREDIT') {
967: $message = &mt("Your submission has been recorded, and credit awarded.");
968: $css_class=$possible_class{'correct'};
969: $button=1;
970: } elsif ($award eq 'ANONYMOUS') {
971: $message = &mt("Your anonymous submission has been recorded.");
972: $css_class=$possible_class{'no_grade'};
973: $button=1;
974: } elsif ($award eq 'ANONYMOUS_CREDIT') {
975: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
976: $css_class=$possible_class{'correct'};
977: } elsif ($award eq 'DRAFT') {
978: $message = &mt("Copy saved but not submitted.");
979: $css_class=$possible_class{'not_charged_try'};
980: $button=1;
981: } elsif ($award eq 'ASSIGNED_SCORE') {
982: $message = &mt("A score has been assigned.");
983: $css_class=$possible_class{'correct'};
984: $button=0;
985: } elsif ($award eq '') {
986: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
987: $message = &mt("Nothing submitted.");
988: $css_class=$possible_class{'charged_try'};
989: } else {
990: $css_class=$possible_class{'not_charged_try'};
991: }
992: $button=1;
993: } else {
994: $message = &mt("Unknown message").": $award";
995: $button=1;
996: }
997: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
998: foreach my $resid(@Apache::inputtags::response){
999: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1000: if ($target eq 'tex') {
1001: $message.= "\\\\\n";
1002: } else {
1003: $message.='<br />';
1004: }
1005: my @files = split(/\s*,\s*/,
1006: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1007: my $file_msg;
1008: foreach my $file (@files) {
1009: if ($target eq 'tex') {
1010: $file_msg.= "\\\\\n".$file;
1011: } else {
1012: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1013: }
1014: }
1015: $message .= &mt('Returned file(s): [_1]',$file_msg);
1016: if ($target eq 'tex') {
1017: $message.= "\\\\\n";
1018: } else {
1019: $message.='<br />';
1020: }
1021: }
1022: }
1023:
1024: if (&Apache::lonhomework::hide_problem_status()
1025: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1026: && &hide_award($award)) {
1027: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1028: $css_class=$possible_class{'no_grade'};
1029: $button=1;
1030: }
1031: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1032: !$added_computer_text && $target ne 'tex') {
1033: $message.= $computer;
1034: $added_computer_text=1;
1035: }
1036: if ($Apache::lonhomework::type eq 'practice') {
1037: if ($target eq 'web') {
1038: $message .= '<br />';
1039: } else {
1040: $message .= ' ';
1041: }
1042: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1043: }
1044:
1045: return ($button,$css_class,$message,$previousmsg);
1046: }
1047:
1048: sub markup_unit {
1049: my ($unit,$target)=@_;
1050: if ($target eq 'tex') {
1051: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1052: } else {
1053: return "<tt>".$unit."</tt>";
1054: }
1055: }
1056:
1057: sub removealldata {
1058: my ($id)=@_;
1059: foreach my $key (keys(%Apache::lonhomework::results)) {
1060: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1061: &Apache::lonxml::debug("Removing $key");
1062: delete($Apache::lonhomework::results{$key});
1063: }
1064: }
1065: }
1066:
1067: sub hidealldata {
1068: my ($id)=@_;
1069: foreach my $key (keys(%Apache::lonhomework::results)) {
1070: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1071: &Apache::lonxml::debug("Hidding $key");
1072: my $newkey=$key;
1073: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1074: $Apache::lonhomework::results{$newkey}=
1075: $Apache::lonhomework::results{$key};
1076: delete($Apache::lonhomework::results{$key});
1077: }
1078: }
1079: }
1080:
1081: sub setgradedata {
1082: my ($award,$msg,$id,$previously_used) = @_;
1083: if ($Apache::lonhomework::scantronmode &&
1084: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1085: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1086: } elsif ($Apache::lonhomework::scantronmode &&
1087: $env{'form.CODE'} eq '' &&
1088: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1089: $Apache::lonhomework::results{"resource.CODE"}='';
1090: }
1091:
1092: if (!$Apache::lonhomework::scantronmode &&
1093: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1094: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1095: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1096: return '';
1097: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1098: /^correct/
1099: || $Apache::lonhomework::scantronmode
1100: || &Apache::lonhomework::hide_problem_status() ) {
1101: # the student doesn't already have it correct,
1102: # or we are in a mode (scantron orno problem status) where a correct
1103: # can become incorrect
1104: # handle assignment of tries and solved status
1105: my $solvemsg;
1106: if ($Apache::lonhomework::scantronmode) {
1107: $solvemsg='correct_by_scantron';
1108: } else {
1109: $solvemsg='correct_by_student';
1110: }
1111: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1112: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1113: }
1114: if ( $award eq 'ASSIGNED_SCORE') {
1115: $Apache::lonhomework::results{"resource.$id.tries"} =
1116: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1117: $Apache::lonhomework::results{"resource.$id.solved"} =
1118: $solvemsg;
1119: my $numawards=scalar(@Apache::inputtags::response);
1120: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1121: foreach my $res (@Apache::inputtags::response) {
1122: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1123: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1124: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1125: } else {
1126: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1127: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1128: }
1129: }
1130: if ($numawards > 0) {
1131: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1132: $numawards;
1133: }
1134: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1135: $Apache::lonhomework::results{"resource.$id.tries"} =
1136: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1137: $Apache::lonhomework::results{"resource.$id.solved"} =
1138: $solvemsg;
1139: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1140: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1141: $Apache::lonhomework::results{"resource.$id.tries"} =
1142: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1143: $Apache::lonhomework::results{"resource.$id.solved"} =
1144: 'credit_attempted';
1145: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1146: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1147: $Apache::lonhomework::results{"resource.$id.tries"} =
1148: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1149: $Apache::lonhomework::results{"resource.$id.solved"} =
1150: 'credit_attempted';
1151: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1152: } elsif ( $award eq 'INCORRECT' ) {
1153: $Apache::lonhomework::results{"resource.$id.tries"} =
1154: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1155: if (&Apache::lonhomework::hide_problem_status()
1156: || $Apache::lonhomework::scantronmode) {
1157: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1158: }
1159: $Apache::lonhomework::results{"resource.$id.solved"} =
1160: 'incorrect_attempted';
1161: } elsif ( $award eq 'SUBMITTED' ) {
1162: $Apache::lonhomework::results{"resource.$id.tries"} =
1163: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1164: $Apache::lonhomework::results{"resource.$id.solved"} =
1165: 'ungraded_attempted';
1166: } elsif ( $award eq 'ANONYMOUS' ) {
1167: $Apache::lonhomework::results{"resource.$id.tries"} =
1168: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1169: $Apache::lonhomework::results{"resource.$id.solved"} =
1170: 'ungraded_attempted';
1171: } elsif ( $award eq 'DRAFT' ) {
1172: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1173: } elsif ( $award eq 'NO_RESPONSE' ) {
1174: #no real response so delete any data that got stored
1175: &removealldata($id);
1176: return '';
1177: } else {
1178: $Apache::lonhomework::results{"resource.$id.solved"} =
1179: 'incorrect_attempted';
1180: if (&Apache::lonhomework::show_no_problem_status()
1181: || $Apache::lonhomework::scantronmode) {
1182: $Apache::lonhomework::results{"resource.$id.tries"} =
1183: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1184: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1185: }
1186:
1187: if (&Apache::lonhomework::show_some_problem_status()) {
1188: # clear out the awarded if they had gotten it wrong/right
1189: # and are now in an error mode
1190: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1191: }
1192: }
1193: if (defined($msg)) {
1194: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1195: }
1196: # did either of the overall awards chage? If so ignore the
1197: # previous check
1198: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1199: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1200: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1201: $Apache::lonhomework::history{"resource.$id.solved"})) {
1202: # check if this was a previous submission if it was delete the
1203: # unneeded data and update the previously_used attribute
1204: if ( $previously_used eq 'PREVIOUSLY_USED') {
1205: if (&Apache::lonhomework::show_problem_status()) {
1206: delete($Apache::lonhomework::results{"resource.$id.tries"});
1207: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1208: }
1209: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1210: #delete all data as they student didn't do anything, but save
1211: #the list of collaborators.
1212: &removealldata($id);
1213: #and since they didn't do anything we were never here
1214: return '';
1215: } else {
1216: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1217: }
1218: }
1219: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
1220: /^correct/ ) {
1221: #delete all data as they student already has it correct
1222: &removealldata($id);
1223: #and since they didn't do anything we were never here
1224: return '';
1225: }
1226: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1227: if ($award eq 'SUBMITTED') {
1228: &Apache::response::add_to_gradingqueue();
1229: }
1230: if (($Apache::lonhomework::type eq 'anonsurvey') ||
1231: ($Apache::lonhomework::type eq 'anonsurveycred')) {
1232: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1233: }
1234: }
1235:
1236: sub find_which_previous {
1237: my ($version) = @_;
1238: my $part = $Apache::inputtags::part;
1239: my (@previous_version);
1240: foreach my $resp (@Apache::inputtags::response) {
1241: my $key = "$version:resource.$part.$resp.submission";
1242: my $submission = $Apache::lonhomework::history{$key};
1243: my %previous = &Apache::response::check_for_previous($submission,
1244: $part,$resp,
1245: $version);
1246: push(@previous_version,$previous{'version'});
1247: }
1248: return &previous_match(\@previous_version,
1249: scalar(@Apache::inputtags::response));
1250: }
1251:
1252: sub previous_match {
1253: my ($previous_array,$count) = @_;
1254: my $match = 0;
1255: my @matches;
1256: foreach my $versionar (@$previous_array) {
1257: foreach my $version (@$versionar) {
1258: $matches[$version]++;
1259: }
1260: }
1261: my $which=0;
1262: foreach my $elem (@matches) {
1263: if ($elem eq $count) {
1264: $match=1;
1265: last;
1266: }
1267: $which++;
1268: }
1269: return ($match,$which);
1270: }
1271:
1272: sub grade {
1273: my ($target) = @_;
1274: my $id = $Apache::inputtags::part;
1275: my $response='';
1276: if ( defined $env{'form.submitted'}) {
1277: my (@awards,@msgs);
1278: foreach $response (@Apache::inputtags::response) {
1279: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1280: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1281: &Apache::lonxml::debug("keeping $value from $response for $id");
1282: push (@awards,$value);
1283: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1284: &Apache::lonxml::debug("got message $value from $response for $id");
1285: push (@msgs,$value);
1286: }
1287: my ($finalaward,$msg) =
1288: &finalizeawards(\@awards,\@msgs,undef,undef,
1289: $Apache::lonhomework::scantronmode);
1290: my $previously_used;
1291: if ( $#Apache::inputtags::previous eq $#awards ) {
1292: my ($match) =
1293: &previous_match(\@Apache::inputtags::previous_version,
1294: scalar(@Apache::inputtags::response));
1295:
1296: if ($match) {
1297: $previously_used = 'PREVIOUSLY_LAST';
1298: foreach my $value (@Apache::inputtags::previous) {
1299: if ($value eq 'PREVIOUSLY_USED' ) {
1300: $previously_used = $value;
1301: last;
1302: }
1303: }
1304: }
1305: }
1306: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1307: &setgradedata($finalaward,$msg,$id,$previously_used);
1308: }
1309: return '';
1310: }
1311:
1312: sub get_grade_messages {
1313: my ($id,$prefix,$target,$status) = @_;
1314:
1315: my ($message,$latemessage,$trystr,$previousmsg);
1316: my $showbutton = 1;
1317:
1318: my $award = $Apache::lonhomework::history{"$prefix.award"};
1319: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1320: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1321: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1322: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1323: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1324: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1325: &Apache::lonxml::debug('Getting message');
1326: ($showbutton,my $css_class,$message,$previousmsg) =
1327: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1328: $target);
1329: if ($target eq 'tex') {
1330: $message='\vskip 2 mm '.$message.' ';
1331: } else {
1332: $message="<td class=\"$css_class\">$message</td>";
1333: if ($previousmsg) {
1334: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1335: }
1336: }
1337: }
1338: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1339: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1340: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1341: #if tries are set to negative turn off the Tries/Button and messages
1342: if (defined($maxtries) && $maxtries < 0) { return ''; }
1343: if ( $tries eq '' ) { $tries = '0'; }
1344: if ( $maxtries eq '' ) { $maxtries = '2'; }
1345: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1346: my $tries_text= &get_tries_text();;
1347: if ($showbutton) {
1348: if ($target eq 'tex') {
1349: if ($env{'request.state'} ne "construct"
1350: && $Apache::lonhomework::type ne 'exam'
1351: && $env{'form.suppress_tries'} ne 'yes') {
1352: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.
1353: $tries.'/'.$maxtries.'} \vskip 2 mm ';
1354: } else {
1355: $trystr = '\vskip 0 mm ';
1356: }
1357: } else {
1358: $trystr = '<td><span class="LC_nobreak">'.&mt($tries_text)." $tries";
1359: if ($Apache::lonhomework::parsing_a_task) {
1360: } elsif($env{'request.state'} ne 'construct') {
1361: $trystr.="/$maxtries";
1362: } else {
1363: if (defined($Apache::inputtags::params{'maxtries'})) {
1364: $trystr.="/".$Apache::inputtags::params{'maxtries'};
1365: }
1366: }
1367: $trystr.="</span></td>";
1368: }
1369: }
1370:
1371: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1372: #last submissions was after due date
1373: $latemessage=&mt(' The last submission was after the Due Date ');;
1374: if ($target eq 'web') {
1375: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1376: }
1377: }
1378: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1379: }
1380:
1381: sub gradestatus {
1382: my ($id,$target,$no_previous) = @_;
1383: my $showbutton = 1;
1384: my $message = '';
1385: my $latemessage = '';
1386: my $trystr='';
1387: my $button='';
1388: my $previousmsg='';
1389:
1390: my $status = $Apache::inputtags::status['-1'];
1391: &Apache::lonxml::debug("gradestatus has :$status:");
1392: if ( $status ne 'CLOSED'
1393: && $status ne 'UNAVAILABLE'
1394: && $status ne 'INVALID_ACCESS'
1395: && $status ne 'NEEDS_CHECKIN'
1396: && $status ne 'NOT_IN_A_SLOT') {
1397:
1398: ($previousmsg,$latemessage,$message,$trystr) =
1399: &get_grade_messages($id,"resource.$id",$target,$status,
1400: $showbutton);
1401: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1402: $showbutton = 0;
1403: }
1404: if ( $status eq 'SHOW_ANSWER') {
1405: undef($previousmsg);
1406: }
1407: if ( $showbutton ) {
1408: if ($target ne 'tex') {
1409: $button =
1410: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1411: type="submit" name="submit_'.$id.'"
1412: value="'.&mt('Submit Answer').'" />';
1413: }
1414: }
1415:
1416: }
1417: my $output= $previousmsg.$latemessage.$message.$trystr;
1418: if ($output =~ /^\s*$/) {
1419: return $button;
1420: } else {
1421: if ($target eq 'tex') {
1422: return $button.' \vskip 0 mm '.$output.' ';
1423: } else {
1424: $output =
1425: '<table><tr><td>'.$button.'</td>'.$output;
1426: if (!$no_previous) {
1427: $output.='<td>'.&previous_tries($id,$target).'</td>';
1428: }
1429: $output.= '</tr></table>';
1430: return $output;
1431: }
1432: }
1433: }
1434:
1435: sub previous_tries {
1436: my ($id,$target) = @_;
1437: my $output;
1438: my $status = $Apache::inputtags::status['-1'];
1439:
1440: my $count;
1441: my %count_lookup;
1442:
1443: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1444: my $prefix = $i.":resource.$id";
1445: my $is_anon;
1446: if (defined($env{'form.grade_symb'})) {
1447: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1448: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1449: $is_anon = 1;
1450: }
1451: }
1452: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1453: $count++;
1454: $count_lookup{$i} = $count;
1455:
1456: my ($previousmsg,$latemessage,$message,$trystr);
1457:
1458: ($previousmsg,$latemessage,$message,$trystr) =
1459: &get_grade_messages($id,"$prefix",$target,$status);
1460:
1461: if ($previousmsg ne '') {
1462: my ($match,$which) = &find_which_previous($i);
1463: $message=$previousmsg;
1464: my $previous = $count_lookup{$which};
1465: $message =~ s{(</td>)}{ as submission \# $previous $1};
1466: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1467: if (!(&Apache::lonhomework::hide_problem_status()
1468: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1469: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1470: ) {
1471:
1472: my $txt_correct = &mt('Correct');
1473: $message =~ s{(<td.*?>)(.*?)(</td>)}
1474: {$1 <strong>$txt_correct</strong>. $3}s;
1475: }
1476: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1477: $message =~ s{(</td>)}{ $trystr $1};
1478: }
1479: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1480: $message =~ s{(<td.*?>)}{<td>};
1481:
1482:
1483: $output.='<tr class="'.$class.'">';
1484: $output.='<td align="center">'.$count.'</td>';
1485: $output.=$message;
1486:
1487: foreach my $resid (@Apache::inputtags::response) {
1488: my $prefix = $prefix.".$resid";
1489: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1490: my $submission =
1491: $Apache::inputtags::submission_display{"$prefix.submission"};
1492: if (!defined($submission)) {
1493: $submission =
1494: $Apache::lonhomework::history{"$prefix.submission"};
1495: }
1496: if ($is_anon) {
1497: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1498: } else {
1499: $output.='<td>'.$submission.'</td>';
1500: }
1501: } else {
1502: $output.='<td></td>';
1503: }
1504: }
1505: $output.=&Apache::loncommon::end_data_table_row()."\n";
1506: }
1507: return if ($output eq '');
1508: my $headers =
1509: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1510: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1511: &mt('Submitted Answer').'</th>';
1512: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1513: #return $output;
1514: $output = &Apache::loncommon::js_ready($output);
1515: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
1516:
1517: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1518: my $tries_text = &get_tries_text('link');
1519: my $start_page =
1520: &Apache::loncommon::start_page($tries_text, undef,
1521: {'only_body' => 1,
1522: 'bgcolor' => '#FFFFFF',
1523: 'js_ready' => 1,
1524: 'inherit_jsmath' => 1, });
1525: my $end_page =
1526: &Apache::loncommon::end_page({'js_ready' => 1,});
1527: my $prefix = $env{'form.request.prefix'};
1528: $prefix =~ tr{.}{_};
1529: my $function_name = "LONCAPA_previous_tries_".$prefix.
1530: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1531: my $result ="<script type=\"text/javascript\">
1532: // <![CDATA[
1533: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1534: // ]]>
1535: </script><a href=\"javascript:$function_name();void(0);\">".&mt($tries_text)."</a><br />";
1536: #use Data::Dumper;
1537: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1538: return $result;
1539: }
1540:
1541: sub get_tries_text {
1542: my ($context) = @_;
1543: my $tries_text;
1544: if ($context eq 'link') {
1545: $tries_text = 'Previous Tries';
1546: } else {
1547: $tries_text = 'Tries';
1548: }
1549: if ( $Apache::lonhomework::type eq 'survey' ||
1550: $Apache::lonhomework::type eq 'surveycred' ||
1551: $Apache::lonhomework::type eq 'anonsurvey' ||
1552: $Apache::lonhomework::type eq 'anonsurveycred' ||
1553: $Apache::lonhomework::parsing_a_task) {
1554: if ($context eq 'link') {
1555: $tries_text = 'Previous Submissions';
1556: } else {
1557: $tries_text = 'Submissions';
1558: }
1559: }
1560: return $tries_text;
1561: }
1562:
1563: 1;
1564: __END__
1565:
1566: =pod
1567:
1568: =back
1569:
1570: =cut
1571:
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