1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.219 2007/03/15 02:52:16 albertel 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: package Apache::inputtags;
29: use HTML::Entities();
30: use strict;
31: use Apache::loncommon;
32: use Apache::lonlocal;
33: use Apache::lonnet;
34: use lib '/home/httpd/lib/perl/';
35: use LONCAPA;
36:
37:
38: BEGIN {
39: &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline'));
40: }
41:
42: # Initializes a set of global variables used during the parse of the problem.
43: #
44: # @Apache::inputtags::input - List of current input ids.
45: # @Apache::inputtags::inputlist - List of all input ids seen this problem.
46: # @Apache::inputtags::response - List of all current resopnse ids.
47: # @Apache::inputtags::responselist - List of all response ids seen this
48: # problem.
49: # @Apache::inputtags::hint - List of all hint ids.
50: # @Apache::inputtags::hintlist - List of all hint ids seen this problem.
51: # @Apache::inputtags::previous - List describing if specific responseds
52: # have been used
53: # @Apache::inputtags::previous_version - Submission responses were used in.
54: # $Apache::inputtags::part - Current part id (valid only in
55: # <problem>)
56: # 0 if not in a part.
57: # @Apache::inputtags::partlist - List of part ids seen in the current
58: # <problem>
59: # @Apache::inputtags::status - List of problem statuses. First
60: # element is the status of the <problem>
61: # the remainder are for individual <part>s.
62: # %Apache::inputtags::params - Hash of defined parameters for the
63: # current response.
64: # @Apache::inputtags::import - List of all ids for <import> thes get
65: # join()ed and prepended.
66: # @Apache::inputtags::importlist - List of all import ids seen.
67: # $Apache::inputtags::response_with_no_part
68: # - Flag set true if we have seen a response
69: # that is not inside a <part>
70: # %Apache::inputtags::answertxt - <*response> tags store correct
71: # answer strings for display by <textline/>
72: # in this hash.
73: # %Apache::inputtags::submission_display
74: # - <*response> tags store improved display
75: # of submission strings for display by part
76: # end.
77:
78: sub initialize_inputtags {
79: @Apache::inputtags::input=();
80: @Apache::inputtags::inputlist=();
81: @Apache::inputtags::response=();
82: @Apache::inputtags::responselist=();
83: @Apache::inputtags::hint=();
84: @Apache::inputtags::hintlist=();
85: @Apache::inputtags::previous=();
86: @Apache::inputtags::previous_version=();
87: $Apache::inputtags::part='';
88: @Apache::inputtags::partlist=();
89: @Apache::inputtags::status=();
90: %Apache::inputtags::params=();
91: @Apache::inputtags::import=();
92: @Apache::inputtags::importlist=();
93: $Apache::inputtags::response_with_no_part=0;
94: %Apache::inputtags::answertxt=();
95: %Apache::inputtags::submission_display=();
96: }
97:
98: sub check_for_duplicate_ids {
99: my %check;
100: foreach my $id (@Apache::inputtags::partlist,
101: @Apache::inputtags::responselist,
102: @Apache::inputtags::hintlist,
103: @Apache::inputtags::importlist) {
104: $check{$id}++;
105: }
106: my @duplicates;
107: foreach my $id (sort(keys(%check))) {
108: if ($check{$id} > 1) {
109: push(@duplicates,$id);
110: }
111: }
112: if (@duplicates) {
113: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
114: }
115: }
116:
117: sub start_input {
118: my ($parstack,$safeeval)=@_;
119: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
120: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
121: push (@Apache::inputtags::input,$id);
122: push (@Apache::inputtags::inputlist,$id);
123: return $id;
124: }
125:
126: sub end_input {
127: pop @Apache::inputtags::input;
128: return '';
129: }
130:
131: sub addchars {
132: my ($fieldid,$addchars)=@_;
133: my $output='';
134: foreach (split(/\,/,$addchars)) {
135: $output.='<a href="javascript:void(document.forms.lonhomework.'.
136: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
137: }
138: return $output;
139: }
140:
141: sub start_textfield {
142: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
143: my $result = "";
144: my $id = &start_input($parstack,$safeeval);
145: my $resid=$Apache::inputtags::response[-1];
146: if ($target eq 'web') {
147: $Apache::lonxml::evaluate--;
148: my $partid=$Apache::inputtags::part;
149: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"');
150: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
151: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
152: if ( $cols eq '') { $cols = 80; }
153: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
154: if ( $rows eq '') { $rows = 16; }
155: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
156: $result='';
157: if ($addchars) {
158: $result.=&addchars('HWVAL_'.$resid,$addchars);
159: }
160: &Apache::lonhtmlcommon::add_htmlareafields('HWVAL_'.$resid);
161: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
162: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
163: if ($oldresponse ne '') {
164:
165: #get rid of any startup text if the user has already responded
166: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
167: }
168: } else {
169: #show past answer in the essayresponse case
170: if ($oldresponse =~ /\S/
171: && &Apache::londefdef::is_inside_of($tagstack,
172: 'essayresponse') ) {
173: $result='<table class="LC_pastsubmission"><tr><td>'.
174: $oldresponse.'</td></tr></table>';
175: }
176: #get rid of any startup text
177: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
178: }
179: } elsif ($target eq 'grade') {
180: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
181: $style);
182: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
183: # if the seed text is still there it wasn't a real submission
184: $env{'form.HWVAL_'.$resid}='';
185: }
186: } elsif ($target eq 'edit') {
187: $result.=&Apache::edit::tag_start($target,$token);
188: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
189: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
190: $result.=&Apache::edit::text_arg
191: ('Click-On Texts (comma sep):','addchars',$token,10);
192: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
193: $style);
194: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
195: } elsif ($target eq 'modified') {
196: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
197: $safeeval,'rows','cols',
198: 'addchars');
199: if ($constructtag) {
200: $result = &Apache::edit::rebuild_tag($token);
201: } else {
202: $result=$token->[4];
203: }
204: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
205: } elsif ($target eq 'tex') {
206: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
207: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
208: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
209: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
210: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
211: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
212: } else {
213: my $TeXwidth=$width_of_box/80;
214: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
215: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
216: $result.='}}}\vskip 2 mm ';
217: }
218: }
219: return $result;
220: }
221:
222: sub end_textfield {
223: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
224: my $result;
225: if ($target eq 'web') {
226: $Apache::lonxml::evaluate++;
227: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
228: return "</textarea>";
229: }
230: } elsif ($target eq 'edit') {
231: $result=&Apache::edit::end_table();
232: }
233: &end_input;
234: return $result;
235: }
236:
237: sub exam_score_line {
238: my ($target) = @_;
239:
240: my $result;
241: if ($target eq 'tex') {
242: my $repetition = &Apache::response::repetition();
243: $result.='\begin{enumerate}';
244: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
245: foreach my $i (0..$repetition-1) {
246: $result.='\item[\textbf{'.
247: ($Apache::lonxml::counter+$i).
248: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
249: }
250: $result.= '\end{enumerate}';
251: }
252:
253: return $result;
254: }
255:
256: sub exam_box {
257: my ($target) = @_;
258: my $result;
259:
260: if ($target eq 'tex') {
261: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
262: $result .= &exam_score_line($target);
263: } elsif ($target eq 'web') {
264: my $id=$Apache::inputtags::response[-1];
265: $result.= '<br /><br />
266: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
267: </textarea> <br /><br />';
268: }
269: return $result;
270: }
271:
272: sub needs_exam_box {
273: my ($tagstack) = @_;
274: my @tags = ('formularesponse',
275: 'stringresponse',
276: 'reactionresponse',
277: 'organicresponse',
278: );
279:
280: foreach my $tag (@tags) {
281: if (grep(/\Q$tag\E/,@$tagstack)) {
282: return 1;
283: }
284: }
285: return 0;
286: }
287:
288: sub start_textline {
289: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
290: my $result = "";
291: my $input_id = &start_input($parstack,$safeeval);
292: if ($target eq 'web') {
293: $Apache::lonxml::evaluate--;
294: my $partid=$Apache::inputtags::part;
295: my $id=$Apache::inputtags::response[-1];
296: if (!&Apache::response::show_answer()) {
297: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
298: my $maxlength;
299: if ($size eq '') { $size=20; } else {
300: if ($size < 20) {
301: $maxlength = ' maxlength="'.$size.'"';
302: }
303: }
304: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
305: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
306:
307: if (ref($oldresponse) eq 'ARRAY') {
308: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
309: }
310: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
311:
312: if ($Apache::lonhomework::type ne 'exam') {
313: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
314: $result='';
315: if ($addchars) {
316: $result.=&addchars('HWVAL_'.$id,$addchars);
317: }
318: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
319: $safeeval);
320: if (lc($readonly) eq 'yes'
321: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
322: $readonly=' readonly="readonly" ';
323: } else {
324: $readonly='';
325: }
326: my $name = 'HWVAL_'.$id;
327: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
328: $name = "none";
329: }
330: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');" type="text" '.$readonly.' name="'.$name.'" value="'.
331: $oldresponse.'" size="'.$size.'"'.$maxlength.' />';
332: }
333: if ($Apache::lonhomework::type eq 'exam'
334: && &needs_exam_box($tagstack)) {
335: $result.=&exam_box($target);
336: }
337: } else {
338: #right or wrong don't show what was last typed in.
339: my $count = scalar(@Apache::inputtags::inputlist)-1;
340: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
341: #$result='';
342: }
343: } elsif ($target eq 'edit') {
344: $result=&Apache::edit::tag_start($target,$token);
345: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
346: &Apache::edit::text_arg('Click-On Texts (comma sep):',
347: 'addchars',$token,10);
348: $result.=&Apache::edit::select_arg('Readonly:','readonly',
349: ['no','yes'],$token);
350: $result.=&Apache::edit::end_row();
351: $result.=&Apache::edit::end_table();
352: } elsif ($target eq 'modified') {
353: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
354: $safeeval,'size',
355: 'addchars','readonly');
356: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
357: } elsif ($target eq 'tex'
358: && $Apache::lonhomework::type ne 'exam') {
359: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
360: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
361: $result='\framebox['.$size.'][s]{\tiny\strut}';
362:
363: } elsif ($target eq 'tex'
364: && $Apache::lonhomework::type eq 'exam'
365: && &needs_exam_box($tagstack)) {
366: $result.=&exam_box($target);
367: }
368: return $result;
369: }
370:
371: sub end_textline {
372: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
373: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
374: elsif ($target eq 'edit') { return ('','no'); }
375: &end_input();
376: return "";
377: }
378:
379: sub start_hiddenline {
380: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
381: my $result = "";
382: my $input_id = &start_input($parstack,$safeeval);
383: if ($target eq 'web') {
384: $Apache::lonxml::evaluate--;
385: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
386: my $partid=$Apache::inputtags::part;
387: my $id=$Apache::inputtags::response[-1];
388: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
389: if (ref($oldresponse) eq 'ARRAY') {
390: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
391: }
392: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
393:
394: if ($Apache::lonhomework::type ne 'exam') {
395: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
396: $oldresponse.'" />';
397: }
398: }
399: } elsif ($target eq 'edit') {
400: $result=&Apache::edit::tag_start($target,$token);
401: $result.=&Apache::edit::end_table;
402: }
403:
404: if ( ($target eq 'web' || $target eq 'tex')
405: && $Apache::lonhomework::type eq 'exam'
406: && &needs_exam_box($tagstack)) {
407: $result.=&exam_box($target);
408: }
409: return $result;
410: }
411:
412: sub end_hiddenline {
413: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
414: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
415: elsif ($target eq 'edit') { return ('','no'); }
416: &end_input();
417: return "";
418: }
419:
420: # $part -> partid
421: # $id -> responseid
422: # $uploadefiletypes -> comma seperated list of extensions allowed or * for any
423: # $which -> 'uploadedonly' -> only newly uploaded files
424: # 'portfolioonly' -> only allow files from portfolio
425: # 'both' -> allow files from either location
426: # $extratext -> additional text to go between the link and the input box
427: # returns a table row <tr>
428: sub file_selector {
429: my ($part,$id,$uploadedfiletypes,$which,$extratext)=@_;
430: if (!$uploadedfiletypes) { return ''; }
431:
432: my $jspart=$part;
433: $jspart=~s/\./_/g;
434:
435: my $result;
436:
437: $result.='<tr><td>';
438: if ($uploadedfiletypes ne '*') {
439: $result.=
440: &mt('Allowed filetypes: <b>[_1]</b>',$uploadedfiletypes).'<br />';
441: }
442: if ($which eq 'uploadonly' || $which eq 'both') {
443: $result.=&mt('Submit a file: (only one file can be uploaded)').
444: ' <br /><input type="file" size="50" name="HWFILE'.
445: $jspart.'_'.$id.'" /><br />';
446: $result .= &show_past_file_submission($part,$id);
447: }
448: if ( $which eq 'both') {
449: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
450: }
451: if ($which eq 'portfolioonly' || $which eq 'both') {
452: $result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&fieldname=HWPORT'.$jspart.'_'.$id.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'.
453: &mt('Select Portfolio Files').'</a><br />'.
454: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
455: '<br />';
456: $result .= &show_past_portfile_submission($part,$id);
457:
458: }
459: $result.='</td></tr>';
460: return $result;
461: }
462:
463: sub show_past_file_submission {
464: my ($part,$id) = @_;
465: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
466:
467: return if (!$uploadedfile);
468:
469: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
470: &Apache::lonxml::extlink($url);
471: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
472: my $icon=&Apache::loncommon::icon($url);
473: my $curfile='<a href="'.$url.'"><img src="'.$icon.
474: '" border="0" />'.$uploadedfile.'</a>';
475: return &mt('Currently submitted: <tt>[_1]</tt>',$curfile);
476:
477: }
478:
479: sub show_past_portfile_submission {
480: my ($part,$id) = @_;
481: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}!~/[^\s]/){
482: return;
483: }
484: my (@file_list,@bad_file_list);
485: foreach my $file (split(/\s*,\s*/,&unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) {
486: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
487: my $url="/uploaded/$domain/$user/portfolio$file";
488: my $icon=&Apache::loncommon::icon($url);
489: push(@file_list,'<a href="'.$url.'"><img src="'.$icon.
490: '" border="0" />'.$file.'</a>');
491: if (! &Apache::lonnet::stat_file($url)) {
492: &Apache::lonnet::logthis("bad file is $url");
493: push(@bad_file_list,'<a href="'.$url.'"><img src="'.$icon.
494: '" border="0" />'.$file.'</a>');
495: }
496: }
497: my $files = '<span class="LC_filename">'.
498: join('</span>, <span class="LC_filename">',@file_list).
499: '</span>';
500: my $result = &mt("Portfolio files previously selected: [_1]",$files);
501: if (@bad_file_list) {
502: my $bad_files = '<span class="LC_filename">'.
503: join('</span>, <span class="LC_filename">',@bad_file_list).
504: '</span>';
505: $result.='<br />'.&mt('<span class="LC_error">These file(s) don\'t exist:</span> [_1]',$bad_files);
506: }
507: return $result;
508:
509: }
510:
511: sub valid_award {
512: my ($award) =@_;
513: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
514: 'NO_RESPONSE',
515: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
516: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
517: 'UNIT_FAIL', 'NO_UNIT',
518: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
519: 'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT',
520: 'MISORDERED_RANK', 'INVALID_FILETYPE',
521: 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
522: 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
523: if ($award eq $possibleaward) { return 1; }
524: }
525: return 0;
526: }
527:
528: {
529: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
530: 'TOO_LONG',
531: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
532: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
533: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA',
534: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
535: 'INVALID_FILETYPE', 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
536: 'APPROX_ANS', 'EXACT_ANS');
537: my $i=0;
538: my %fwd_awards = map { ($_,$i++) } @awards;
539: my $max=scalar(@awards);
540: @awards=reverse(@awards);
541: $i=0;
542: my %rev_awards = map { ($_,$i++) } @awards;
543:
544: sub finalizeawards {
545: my ($awardref,$msgref,$nameref,$reverse)=@_;
546: my $result;
547: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
548: if ($result eq '' ) {
549: my $blankcount;
550: foreach my $award (@$awardref) {
551: if ($award eq '') {
552: $result='MISSING_ANSWER';
553: $blankcount++;
554: }
555: }
556: if ($blankcount == ($#$awardref + 1)) { $result = 'NO_RESPONSE'; }
557: }
558: if (defined($result)) { return ($result); }
559:
560: # these awards are ordered from most important error through best correct
561: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
562:
563: my $best = $max;
564: my $j=0;
565: my $which;
566: foreach my $award (@$awardref) {
567: if ($awards->{$award} < $best) {
568: $best = $awards->{$award};
569: $which = $j;
570: }
571: $j++;
572: }
573: if (defined($which)) {
574: if (ref($nameref)) {
575: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
576: } else {
577: return ($$awardref[$which],$$msgref[$which]);
578: }
579: }
580: return ('ERROR',undef);
581: }
582: }
583:
584: sub decideoutput {
585: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
586: my $message='';
587: my $button=0;
588: my $previousmsg;
589: my $bgcolor='orange';
590: my $added_computer_text=0;
591: my %possiblecolors =
592: ( 'correct' => '#aaffaa',
593: 'charged_try' => '#ffaaaa',
594: 'not_charged_try' => '#ffffaa',
595: 'no_grade' => '#ffffaa',
596: 'no_message' => '#ffffff',
597: );
598:
599: my $part = $Apache::inputtags::part;
600: my $handgrade =
601: ('yes' eq lc(&Apache::lonnet::EXT("resource.$part.handgrade")));
602:
603: my $computer = ($handgrade)? ''
604: : " ".&mt("Computer's answer now shown above.");
605: &Apache::lonxml::debug("handgrade has :$handgrade:");
606:
607: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
608:
609: if ($solved =~ /^correct/) {
610: $bgcolor=$possiblecolors{'correct'};
611: $message=&mt('You are correct.');
612: if ($awarded < 1 && $awarded > 0) {
613: $message=&mt('You are partially correct.');
614: $bgcolor=$possiblecolors{'not_charged_try'};
615: } elsif ($awarded < 1) {
616: $message=&mt('Incorrect.');
617: $bgcolor=$possiblecolors{'charged_try'};
618: }
619: if ($env{'request.filename'} =~
620: m|/res/lib/templates/examupload.problem$|) {
621: $message = &mt("A score has been assigned.");
622: $added_computer_text=1;
623: } else {
624: if ($target eq 'tex') {
625: $message = '\textbf{'.$message.'}';
626: } else {
627: $message = "<b>".$message."</b>";
628: $message.= $computer;
629: }
630: $added_computer_text=1;
631: my ($symb) = &Apache::lonnet::whichuser();
632: if ((!$env{'course.'.
633: $env{'request.course.id'}.
634: '.disable_receipt_display'} eq 'yes')&&
635: $symb) {
636: $message.=(($target eq 'web')?'<br />':' ').
637: &mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part).
638: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
639: }
640: }
641: $button=0;
642: $previousmsg='';
643: } elsif ($solved =~ /^excused/) {
644: if ($target eq 'tex') {
645: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
646: } else {
647: $message = "<b>".&mt('You are excused from the problem.')."</b>";
648: }
649: $bgcolor=$possiblecolors{'charged_try'};
650: $button=0;
651: $previousmsg='';
652: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
653: if ($solved =~ /^incorrect/ || $solved eq '') {
654: $message = &mt("Incorrect").".";
655: $bgcolor=$possiblecolors{'charged_try'};
656: $button=1;
657: } else {
658: if ($target eq 'tex') {
659: $message = '\textbf{'.&mt('You are correct.').'}';
660: } else {
661: $message = "<b>".&mt('You are correct.')."</b>";
662: $message.= $computer;
663: }
664: $added_computer_text=1;
665: unless ($env{'course.'.
666: $env{'request.course.id'}.
667: '.disable_receipt_display'} eq 'yes') {
668: $message.=(($target eq 'web')?'<br />':' ').
669: 'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part).
670: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
671: }
672: $bgcolor=$possiblecolors{'correct'};
673: $button=0;
674: $previousmsg='';
675: }
676: } elsif ($award eq 'NO_RESPONSE') {
677: $message = '';
678: $bgcolor=$possiblecolors{'no_feedback'};
679: $button=1;
680: } elsif ($award eq 'EXTRA_ANSWER') {
681: $message = &mt('Some extra items were submitted.');
682: $bgcolor=$possiblecolors{'not_charged_try'};
683: $button = 1;
684: } elsif ($award eq 'MISSING_ANSWER') {
685: $message = &mt('Some items were not submitted.');
686: $bgcolor=$possiblecolors{'not_charged_try'};
687: $button = 1;
688: } elsif ($award eq 'ERROR') {
689: $message = &mt('An error occured while grading your answer.');
690: $bgcolor=$possiblecolors{'not_charged_try'};
691: $button = 1;
692: } elsif ($award eq 'TOO_LONG') {
693: $message = &mt("The submitted answer was too long.");
694: $bgcolor=$possiblecolors{'not_charged_try'};
695: $button=1;
696: } elsif ($award eq 'WANTED_NUMERIC') {
697: $message = &mt("This question expects a numeric answer.");
698: $bgcolor=$possiblecolors{'not_charged_try'};
699: $button=1;
700: } elsif ($award eq 'MISORDERED_RANK') {
701: $message = &mt('You have provided an invalid ranking');
702: if ($target ne 'tex') {
703: $message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems');
704: }
705: $bgcolor=$possiblecolors{'not_charged_try'};
706: $button=1;
707: } elsif ($award eq 'INVALID_FILETYPE') {
708: $message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
709: $bgcolor=$possiblecolors{'not_charged_try'};
710: $button=1;
711: } elsif ($award eq 'SIG_FAIL') {
712: my ($used,$min,$max)=split(':',$awardmsg);
713: my $word = ($used < $min) ? 'more' : 'fewer';
714: $message = &mt("Submission not graded. Use $word digits.",$used);
715: $bgcolor=$possiblecolors{'not_charged_try'};
716: $button=1;
717: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
718: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
719: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
720: $bgcolor=$possiblecolors{'not_charged_try'};
721: $button=1;
722: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
723: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
724: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
725: $bgcolor=$possiblecolors{'not_charged_try'};
726: $button=1;
727: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
728: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
729: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
730: $bgcolor=$possiblecolors{'not_charged_try'};
731: $button=1;
732: } elsif ($award eq 'UNIT_NOTNEEDED') {
733: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
734: $bgcolor=$possiblecolors{'not_charged_try'};
735: $button=1;
736: } elsif ($award eq 'NO_UNIT') {
737: $message = &mt("Units required").'.';
738: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
739: $bgcolor=$possiblecolors{'not_charged_try'};
740: $button=1;
741: } elsif ($award eq 'COMMA_FAIL') {
742: $message = &mt("Proper comma separation is required").'.';
743: $bgcolor=$possiblecolors{'not_charged_try'};
744: $button=1;
745: } elsif ($award eq 'BAD_FORMULA') {
746: $message = &mt("Unable to understand formula");
747: $bgcolor=$possiblecolors{'not_charged_try'};
748: $button=1;
749: } elsif ($award eq 'INCORRECT') {
750: $message = &mt("Incorrect").'.';
751: $bgcolor=$possiblecolors{'charged_try'};
752: $button=1;
753: } elsif ($award eq 'SUBMITTED') {
754: $message = &mt("Your submission has been recorded.");
755: $bgcolor=$possiblecolors{'no_grade'};
756: $button=1;
757: } elsif ($award eq 'DRAFT') {
758: $message = &mt("A draft copy has been saved.");
759: $bgcolor=$possiblecolors{'not_charged_try'};
760: $button=1;
761: } elsif ($award eq 'ASSIGNED_SCORE') {
762: $message = &mt("A score has been assigned.");
763: $bgcolor=$possiblecolors{'correct'};
764: $button=0;
765: } elsif ($award eq '') {
766: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
767: $message = &mt("Nothing submitted.");
768: $bgcolor=$possiblecolors{'charged_try'};
769: } else {
770: $bgcolor=$possiblecolors{'not_charged_try'};
771: }
772: $button=1;
773: } else {
774: $message = &mt("Unknown message").": $award";
775: $button=1;
776: }
777: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
778: foreach my $resid(@Apache::inputtags::response){
779: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
780: $message.='<br />';
781: my @files = split(/\s*,\s*/,
782: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
783: my $file_msg;
784: foreach my $file (@files) {
785: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
786: }
787: $message .= &mt('Returned file(s): [_1]',$file_msg);
788: }
789: }
790:
791: if (lc($Apache::lonhomework::problemstatus) eq 'no' &&
792: $Apache::inputtags::status[-1] ne 'SHOW_ANSWER') {
793: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
794: $bgcolor=$possiblecolors{'no_grade'};
795: $button=1;
796: }
797: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
798: !$added_computer_text && $target ne 'tex') {
799: $message.= $computer;
800: $added_computer_text=1;
801: }
802: return ($button,$bgcolor,$message,$previousmsg);
803: }
804:
805: sub markup_unit {
806: my ($unit,$target)=@_;
807: if ($target eq 'tex') {
808: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
809: } else {
810: return "<tt>".$unit."</tt>";
811: }
812: }
813:
814: sub removealldata {
815: my ($id)=@_;
816: foreach my $key (keys(%Apache::lonhomework::results)) {
817: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
818: &Apache::lonxml::debug("Removing $key");
819: delete($Apache::lonhomework::results{$key});
820: }
821: }
822: }
823:
824: sub hidealldata {
825: my ($id)=@_;
826: foreach my $key (keys(%Apache::lonhomework::results)) {
827: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
828: &Apache::lonxml::debug("Hidding $key");
829: my $newkey=$key;
830: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
831: $Apache::lonhomework::results{$newkey}=
832: $Apache::lonhomework::results{$key};
833: delete($Apache::lonhomework::results{$key});
834: }
835: }
836: }
837:
838: sub setgradedata {
839: my ($award,$msg,$id,$previously_used) = @_;
840: if ($Apache::lonhomework::scantronmode &&
841: &Apache::lonnet::validCODE($env{'form.CODE'})) {
842: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
843: } elsif ($Apache::lonhomework::scantronmode &&
844: $env{'form.CODE'} eq '' &&
845: $Apache::lonhomework::history{"resource.CODE"} ne '') {
846: $Apache::lonhomework::results{"resource.CODE"}='';
847: }
848:
849: if (!$Apache::lonhomework::scantronmode &&
850: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
851: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
852: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
853: return '';
854: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
855: /^correct/ || $Apache::lonhomework::scantronmode ||
856: lc($Apache::lonhomework::problemstatus) eq 'no') {
857: # the student doesn't already have it correct,
858: # or we are in a mode (scantron orno problem status) where a correct
859: # can become incorrect
860: # handle assignment of tries and solved status
861: my $solvemsg;
862: if ($Apache::lonhomework::scantronmode) {
863: $solvemsg='correct_by_scantron';
864: } else {
865: $solvemsg='correct_by_student';
866: }
867: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
868: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
869: }
870: if ( $award eq 'ASSIGNED_SCORE') {
871: $Apache::lonhomework::results{"resource.$id.tries"} =
872: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
873: $Apache::lonhomework::results{"resource.$id.solved"} =
874: $solvemsg;
875: my $numawards=scalar(@Apache::inputtags::response);
876: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
877: foreach my $res (@Apache::inputtags::response) {
878: $Apache::lonhomework::results{"resource.$id.awarded"}+=
879: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
880: }
881: if ($numawards > 0) {
882: $Apache::lonhomework::results{"resource.$id.awarded"}/=
883: $numawards;
884: }
885: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
886: $Apache::lonhomework::results{"resource.$id.tries"} =
887: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
888: $Apache::lonhomework::results{"resource.$id.solved"} =
889: $solvemsg;
890: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
891: } elsif ( $award eq 'INCORRECT' ) {
892: $Apache::lonhomework::results{"resource.$id.tries"} =
893: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
894: if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
895: $Apache::lonhomework::scantronmode) {
896: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
897: }
898: $Apache::lonhomework::results{"resource.$id.solved"} =
899: 'incorrect_attempted';
900: } elsif ( $award eq 'SUBMITTED' ) {
901: $Apache::lonhomework::results{"resource.$id.tries"} =
902: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
903: $Apache::lonhomework::results{"resource.$id.solved"} =
904: 'ungraded_attempted';
905: } elsif ( $award eq 'DRAFT' ) {
906: $Apache::lonhomework::results{"resource.$id.solved"} = '';
907: } elsif ( $award eq 'NO_RESPONSE' ) {
908: #no real response so delete any data that got stored
909: &removealldata($id);
910: return '';
911: } else {
912: $Apache::lonhomework::results{"resource.$id.solved"} =
913: 'incorrect_attempted';
914: if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
915: $Apache::lonhomework::scantronmode) {
916: $Apache::lonhomework::results{"resource.$id.tries"} =
917: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
918: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
919: }
920: }
921: if (defined($msg)) {
922: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
923: }
924: # did either of the overall awards chage? If so ignore the
925: # previous check
926: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
927: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
928: ($Apache::lonhomework::results{"resource.$id.solved"} eq
929: $Apache::lonhomework::history{"resource.$id.solved"})) {
930: # check if this was a previous submission if it was delete the
931: # unneeded data and update the previously_used attribute
932: if ( $previously_used eq 'PREVIOUSLY_USED') {
933: if (lc($Apache::lonhomework::problemstatus) ne 'no') {
934: delete($Apache::lonhomework::results{"resource.$id.tries"});
935: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
936: }
937: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
938: #delete all data as they student didn't do anything, but save
939: #the list of collaborators.
940: &removealldata($id);
941: #and since they didn't do anything we were never here
942: return '';
943: } else {
944: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
945: }
946: }
947: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
948: /^correct/ ) {
949: #delete all data as they student already has it correct
950: &removealldata($id);
951: #and since they didn't do anything we were never here
952: return '';
953: }
954: $Apache::lonhomework::results{"resource.$id.award"} = $award;
955: if ($award eq 'SUBMITTED') {
956: &Apache::response::add_to_gradingqueue();
957: }
958: }
959:
960: sub find_which_previous {
961: my ($version) = @_;
962: my $part = $Apache::inputtags::part;
963: my (@previous_version);
964: foreach my $resp (@Apache::inputtags::response) {
965: my $key = "$version:resource.$part.$resp.submission";
966: my $submission = $Apache::lonhomework::history{$key};
967: my %previous = &Apache::response::check_for_previous($submission,
968: $part,$resp,
969: $version);
970: push(@previous_version,$previous{'version'});
971: }
972: return &previous_match(\@previous_version,
973: scalar(@Apache::inputtags::response));
974: }
975:
976: sub previous_match {
977: my ($previous_array,$count) = @_;
978: my $match = 0;
979: my @matches;
980: foreach my $versionar (@$previous_array) {
981: foreach my $version (@$versionar) {
982: $matches[$version]++;
983: }
984: }
985: my $which=0;
986: foreach my $elem (@matches) {
987: if ($elem eq $count) {
988: $match=1;
989: last;
990: }
991: $which++;
992: }
993: return ($match,$which);
994: }
995:
996: sub grade {
997: my ($target) = @_;
998: my $id = $Apache::inputtags::part;
999: my $response='';
1000: if ( defined $env{'form.submitted'}) {
1001: my (@awards,@msgs);
1002: foreach $response (@Apache::inputtags::response) {
1003: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1004: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1005: &Apache::lonxml::debug("keeping $value from $response for $id");
1006: push (@awards,$value);
1007: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1008: &Apache::lonxml::debug("got message $value from $response for $id");
1009: push (@msgs,$value);
1010: }
1011: my ($finalaward,$msg) = &finalizeawards(\@awards,\@msgs);
1012: my $previously_used;
1013: if ( $#Apache::inputtags::previous eq $#awards ) {
1014: my ($match) =
1015: &previous_match(\@Apache::inputtags::previous_version,
1016: scalar(@Apache::inputtags::response));
1017:
1018: if ($match) {
1019: $previously_used = 'PREVIOUSLY_LAST';
1020: foreach my $value (@Apache::inputtags::previous) {
1021: if ($value eq 'PREVIOUSLY_USED' ) {
1022: $previously_used = $value;
1023: last;
1024: }
1025: }
1026: }
1027: }
1028: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1029: &setgradedata($finalaward,$msg,$id,$previously_used);
1030: }
1031: return '';
1032: }
1033:
1034: sub get_grade_messages {
1035: my ($id,$prefix,$target,$status) = @_;
1036:
1037: my ($message,$latemessage,$trystr,$previousmsg);
1038: my $showbutton = 1;
1039:
1040: my $award = $Apache::lonhomework::history{"$prefix.award"};
1041: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1042: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1043: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1044: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1045: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1046: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1047: &Apache::lonxml::debug('Getting message');
1048: ($showbutton,my $bgcolor,$message,$previousmsg) =
1049: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1050: $target);
1051: if ($target eq 'tex') {
1052: $message='\vskip 2 mm '.$message.' ';
1053: } else {
1054: $message="<td bgcolor=\"$bgcolor\">$message</td>";
1055: if ($previousmsg) {
1056: $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
1057: }
1058: }
1059: }
1060: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1061: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1062: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1063: #if tries are set to negative turn off the Tries/Button and messages
1064: if (defined($maxtries) && $maxtries < 0) { return ''; }
1065: if ( $tries eq '' ) { $tries = '0'; }
1066: if ( $maxtries eq '' ) { $maxtries = '2'; }
1067: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1068: my $tries_text=&mt('Tries');
1069: if ( $Apache::lonhomework::type eq 'survey' ||
1070: $Apache::lonhomework::parsing_a_task) {
1071: $tries_text=&mt('Submissions');
1072: }
1073:
1074: if ($showbutton) {
1075: if ($target eq 'tex') {
1076: if ($env{'request.state'} ne "construct"
1077: && $Apache::lonhomework::type ne 'exam'
1078: && $env{'form.suppress_tries'} ne 'yes') {
1079: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.
1080: $tries.'/'.$maxtries.'} \vskip 2 mm ';
1081: } else {
1082: $trystr = '\vskip 0 mm ';
1083: }
1084: } else {
1085: $trystr = "<td><nobr>".$tries_text." $tries";
1086: if ($Apache::lonhomework::parsing_a_task) {
1087: } elsif($env{'request.state'} ne 'construct') {
1088: $trystr.="/$maxtries";
1089: } else {
1090: if (defined($Apache::inputtags::params{'maxtries'})) {
1091: $trystr.="/".$Apache::inputtags::params{'maxtries'};
1092: }
1093: }
1094: $trystr.="</nobr></td>";
1095: }
1096: }
1097: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1098: #last submissions was after due date
1099: $latemessage=&mt(' The last submission was after the Due Date ');;
1100: if ($target eq 'web') {
1101: $latemessage='<td bgcolor="#ffaaaa">'.$latemessage.'</td>';
1102: }
1103: }
1104: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1105: }
1106:
1107: sub gradestatus {
1108: my ($id,$target) = @_;
1109: my $showbutton = 1;
1110: my $message = '';
1111: my $latemessage = '';
1112: my $trystr='';
1113: my $button='';
1114: my $previousmsg='';
1115:
1116: my $status = $Apache::inputtags::status['-1'];
1117: &Apache::lonxml::debug("gradestatus has :$status:");
1118: if ( $status ne 'CLOSED'
1119: && $status ne 'UNAVAILABLE'
1120: && $status ne 'INVALID_ACCESS'
1121: && $status ne 'NEEDS_CHECKIN'
1122: && $status ne 'NOT_IN_A_SLOT') {
1123:
1124: ($previousmsg,$latemessage,$message,$trystr) =
1125: &get_grade_messages($id,"resource.$id",$target,$status,
1126: $showbutton);
1127: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1128: $showbutton = 0;
1129: }
1130: if ( $status eq 'SHOW_ANSWER') {
1131: undef($previousmsg);
1132: }
1133: if ( $showbutton ) {
1134: if ($target ne 'tex') {
1135: $button = '<input onsubmit="javascript:setSubmittedPart(\''.$id.'\')" type="submit" name="submit_'.$id.'" value="'.&mt('Submit Answer').'" />';
1136: }
1137: }
1138:
1139: }
1140: my $output= $previousmsg.$latemessage.$message.$trystr;
1141: if ($output =~ /^\s*$/) {
1142: return $button;
1143: } else {
1144: if ($target eq 'tex') {
1145: return $button.' \vskip 0 mm '.$output.' ';
1146: } else {
1147: return '<table><tr><td>'.$button.'</td>'.$output.'<td>'.&previous_tries($id,$target).'</td></tr></table>';
1148: }
1149: }
1150: }
1151:
1152: sub previous_tries {
1153: my ($id,$target) = @_;
1154: my $output;
1155: my $status = $Apache::inputtags::status['-1'];
1156:
1157: my $count;
1158: my %count_lookup;
1159:
1160: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1161: my $prefix = $i.":resource.$id";
1162:
1163: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1164: $count++;
1165: $count_lookup{$i} = $count;
1166:
1167: my ($previousmsg,$latemessage,$message,$trystr);
1168:
1169: ($previousmsg,$latemessage,$message,$trystr) =
1170: &get_grade_messages($id,"$prefix",$target,$status);
1171: if (!exists($Apache::lonhomework::history{"$prefix.tries"})) {
1172: undef($trystr);
1173: }
1174:
1175: if ($previousmsg ne '') {
1176: my ($match,$which) = &find_which_previous($i);
1177: $message=$previousmsg;
1178: my $previous = $count_lookup{$which};
1179: $message =~ s{(</td>)}{ as submission $previous $1};
1180:
1181: } elsif ($trystr ne '') {
1182: ($trystr) = ($trystr =~ m{(\d+)/\d+});
1183: $message =~ s{(<td.*?>)}{$1 $trystr };
1184: }
1185:
1186:
1187: $output.='<tr>';
1188: $output.='<td align ="center">'.$count.'</td>';
1189: $output.=$message;
1190:
1191: foreach my $resid (@Apache::inputtags::response) {
1192: my $prefix = $prefix.".$resid";
1193: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1194: my $submission =
1195: $Apache::inputtags::submission_display{"$prefix.submission"};
1196: if (!defined($submission)) {
1197: $submission =
1198: $Apache::lonhomework::history{"$prefix.submission"};
1199: }
1200: $output.='<td>'.$submission.'</td>';
1201: } else {
1202: $output.='<td></td>';
1203: }
1204: }
1205: $output.='</tr>'."\n";
1206: }
1207: return if ($output eq '');
1208: my $headers =
1209: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1210: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1211: &mt('Submitted Answer').'</th>';
1212: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1213: $output .='<pre>'.join("\n",@Apache::inputtags::previous_version).'</pre>';
1214: #return $output;
1215: $output=~s/\\/\\\\/g;
1216: $output=~s/\'/\\\'/g;
1217: $output=~s/\s+/ /g;
1218: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1219: my $start_page =
1220: &Apache::loncommon::start_page('Previous Tries', undef,
1221: {'only_body' => 1,
1222: 'bgcolor' => '#FFFFFF',
1223: 'js_ready' => 1,});
1224: my $end_page =
1225: &Apache::loncommon::end_page({'js_ready' => 1,});
1226:
1227: my $result ="<script type=\"text/javascript\">
1228: // <![CDATA[
1229: function LONCAPA_previous_tries_$Apache::lonxml::curdepth() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1230: // ]]>
1231: </script><a href=\"javascript:LONCAPA_previous_tries_$Apache::lonxml::curdepth();void(0);\">".&mt("Previous Tries")."</a><br />";
1232: #use Data::Dumper;
1233: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1234: return $result;
1235: }
1236:
1237: 1;
1238: __END__
1239:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to inputtags.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework