1: # The LearningOnline Network with CAPA
2: # rank style response
3: #
4: # $Id: rankresponse.pm,v 1.51 2007/03/27 19:20:49 albertel Exp $
5: # Copyright Michigan State University Board of Trustees
6: #
7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
8: #
9: # LON-CAPA is free software; you can redistribute it and/or modify
10: # it under the terms of the GNU General Public License as published by
11: # the Free Software Foundation; either version 2 of the License, or
12: # (at your option) any later version.
13: #
14: # LON-CAPA is distributed in the hope that it will be useful,
15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: # GNU General Public License for more details.
18: #
19: # You should have received a copy of the GNU General Public License
20: # along with LON-CAPA; if not, write to the Free Software
21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
27:
28: package Apache::rankresponse;
29: use strict;
30: use HTML::Entities();
31: use Apache::optionresponse();
32: use Apache::lonlocal;
33:
34: BEGIN {
35: &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
36: }
37:
38: sub start_rankresponse {
39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
40: my $result;
41: #when in a rank response use these
42: &Apache::lonxml::register('Apache::rankresponse',
43: ('foilgroup','foil','conceptgroup'));
44: push (@Apache::lonxml::namespace,'rankresponse');
45: my $id = &Apache::response::start_response($parstack,$safeeval);
46: %Apache::hint::rank=();
47: undef(%Apache::response::foilnames);
48: if ($target eq 'meta') {
49: $result=&Apache::response::meta_package_write('rankresponse');
50: } elsif ($target eq 'edit' ) {
51: $result.=&Apache::edit::start_table($token).
52: '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
53: &Apache::edit::deletelist($target,$token)
54: ."</td><td> ".&Apache::edit::end_row()
55: .&Apache::edit::start_spanning_row();
56:
57: $result.=
58: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
59: &Apache::edit::select_arg('Randomize Foil Order','randomize',
60: ['yes','no'],$token).
61: &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
62: } elsif ($target eq 'modified') {
63: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
64: $safeeval,'max',
65: 'randomize');
66: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
67: } elsif ($target eq 'analyze') {
68: my $part_id="$Apache::inputtags::part.$id";
69: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
70: }
71: return $result;
72: }
73:
74: sub end_rankresponse {
75: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
76: my $result;
77: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
78: &Apache::response::end_response;
79: pop @Apache::lonxml::namespace;
80: &Apache::lonxml::deregister('Apache::rankresponse',
81: ('foilgroup','foil','conceptgroup'));
82: undef(%Apache::response::foilnames);
83: return $result;
84: }
85:
86: %Apache::response::foilgroup=();
87: sub start_foilgroup {
88: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
89: my $result;
90: %Apache::response::foilgroup=();
91: $Apache::rankresponse::conceptgroup=0;
92: &Apache::response::pushrandomnumber();
93: return $result;
94: }
95:
96: sub end_foilgroup {
97: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
98: my $result;
99: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
100: $target eq 'tex' || $target eq 'analyze') {
101: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
102: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
103: $safeeval,'-2');
104: my $tol = &Apache::lonxml::get_param('tol',$parstack,$safeeval,'-2');
105: if (!defined($tol)) { $tol=0; }
106: if ($target eq 'web' || $target eq 'tex') {
107: $result=&displayfoils($target,$max,$randomize,$tol);
108: $Apache::lonxml::post_evaluate=0;
109: } elsif ($target eq 'answer' ) {
110: $result=&displayanswers($max,$randomize,$tol);
111: } elsif ( $target eq 'grade') {
112: &grade_response($max,$randomize,$tol);
113: } elsif ( $target eq 'analyze') {
114: my @shown = &whichfoils($max,$randomize);
115: &Apache::response::analyze_store_foilgroup(\@shown,
116: ['text','value','location']);
117: my $part_id=
118: "$Apache::inputtags::part.$Apache::inputtags::response[-1]";
119: $Apache::lonhomework::analyze{"$part_id.tol"}=$tol;
120: }
121: &Apache::lonxml::increment_counter(&getfoilcounts($max));
122: } elsif ($target eq 'edit') {
123: $result=&Apache::edit::end_table();
124: }
125: &Apache::response::poprandomnumber();
126: return $result;
127: }
128:
129: sub get_correct_order {
130: my ($tol,@foils) =@_;
131: my @correctorder;
132: my @value_names;
133: foreach my $name (@foils) {
134: my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
135: push(@value_names,\@pair);
136: }
137: @value_names =
138: sort {
139: if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
140: return 0;
141: } @value_names;
142: my @value_names_tmp=@value_names;
143: my $firstpair=shift(@value_names_tmp);
144: my $order=1;
145: my %order;
146: my $count=1;
147: my $lastvalue=$firstpair->[0];
148: $order{$firstpair->[1]}=$order;
149: foreach my $pair (@value_names_tmp) {
150: $count++;
151: if (abs($pair->[0]-$lastvalue) > $tol ) {
152: $order=$count;
153: }
154: $order{$pair->[1]}=$order;
155: $lastvalue=$pair->[0];
156: }
157: foreach my $name (@foils) {
158: push(@correctorder,$order{$name});
159: }
160: &Apache::lonhomework::showhash('b' => \@value_names);
161: &Apache::lonhomework::showhash('b' => \@correctorder);
162: return @correctorder;
163: }
164:
165: sub displayanswers {
166: my ($max,$randomize,$tol,@opt)=@_;
167: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
168: my @names = @{ $Apache::response::foilgroup{'names'} };
169: my @whichfoils = &whichfoils($max,$randomize);
170: my @correctorder=&get_correct_order($tol,@whichfoils);
171: my $result;
172: if ($Apache::lonhomework::type eq 'exam') {
173: my @alphabet = ('A'..'Z');
174: my $i=0;
175: foreach my $order (@correctorder) {
176: $result.=&Apache::response::answer_header('rankresponse',$i++);
177: $result.=&Apache::response::answer_part('rankresponse',
178: $alphabet[$order-1]);
179: $result.=&Apache::response::answer_part('rankresponse',$order);
180: $result.=&Apache::response::answer_footer('rankresponse');
181: }
182: } else {
183: $result=&Apache::response::answer_header('rankresponse');
184: foreach my $order (@correctorder) {
185: $result.=&Apache::response::answer_part('rankresponse',$order);
186: }
187: $result.=&Apache::response::answer_footer('rankresponse');
188: }
189: return $result;
190: }
191:
192: sub check_response_order {
193: my (%responsehash)=@_;
194: my @order=sort( {$a <=> $b} values(%responsehash));
195: my $lastvalue=0;
196: my $expected=1;
197: my $malformed=0;
198: foreach my $current (@order) {
199: &Apache::lonxml::debug("$lastvalue $expected $malformed");
200: if (!($current == $lastvalue || $current == $expected)) {
201: $malformed=1;
202: }
203: $expected++;
204: $lastvalue=$current;
205: }
206: return $malformed;
207: }
208:
209: sub grade_response {
210: my ($max,$randomize,$tol)=@_;
211: my (@whichfoils)=&whichfoils($max,$randomize);
212: if (!&Apache::response::submitted()) { return; }
213: my %responsehash;
214: my %grade;
215: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
216: my @correctorder=&get_correct_order($tol,@whichfoils);
217: foreach my $name (@whichfoils) {
218: my $response = &Apache::response::getresponse($temp,'A is 1');
219: my $value=shift(@correctorder);
220: if ( $response =~ /[^\s]/) {
221: $responsehash{$name}=$response;
222: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
223: if ($value eq $response) {
224: $grade{$name}='1'; $right++;
225: } else {
226: $grade{$name}='0'; $wrong++;
227: }
228: } else {
229: $ignored++;
230: }
231: $temp++;
232: }
233: my $malformed=&check_response_order(%responsehash);
234: my $part=$Apache::inputtags::part;
235: my $id = $Apache::inputtags::response['-1'];
236: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
237: my $gradestr =&Apache::lonnet::hash2str(%grade);
238: my %previous=&Apache::response::check_for_previous($responsestr,
239: $part,$id);
240: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
241: my $ad;
242: if ($malformed) {
243: $ad='MISORDERED_RANK';
244: } elsif ($wrong==0 && $ignored==0) {
245: $ad='EXACT_ANS';
246: } elsif ($wrong==0 && $right==0) {
247: #nothing submitted
248: } else {
249: if ($ignored==0) {
250: $ad='INCORRECT';
251: } else {
252: $ad='MISSING_ANSWER';
253: }
254: }
255: if ($Apache::lonhomework::type eq 'survey' &&
256: ($ad eq 'INCORRECT' || $ad eq 'EXACT_ANS') ) {
257: $ad='SUBMITTED';
258: } else {
259: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
260: }
261: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
262: $responsestr;
263: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
264: &Apache::response::handle_previous(\%previous,$ad);
265: }
266:
267: sub displayfoils {
268: my ($target,$max,$randomize,$tol)=@_;
269: my $result;
270: my @alphabet=('A'..'Z');
271: my (@whichfoils)=&whichfoils($max,$randomize);
272: my $part=$Apache::inputtags::part;
273: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
274: my @whichopt=(1..($#whichfoils+1));
275: my @correctorder=&get_correct_order($tol,@whichfoils);
276: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
277: foreach my $name (@whichfoils) {
278: my $text=$Apache::response::foilgroup{$name.'.text'};
279: my $value=shift(@correctorder);
280: if ($target eq 'web') {
281: $result.='<br /><b>'.$value.':</b> '.$text;
282: } else {
283: $result.=' \strut\\\\\strut '.$value.':'.$text;
284: }
285: }
286: } else {
287: my $i = 0;
288: my $temp=1;
289: my $id=$Apache::inputtags::response[-1];
290: my $part=$Apache::inputtags::part;
291: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
292: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
293: my @alp = splice @alphabet, 0, $#whichopt + 1;
294: my $internal_counter=$Apache::lonxml::counter;
295: foreach my $name (@whichfoils) {
296: my $lastopt=$lastresponse{$name};
297: my $optionlist='';
298: if ($target ne 'tex') {$optionlist="<option></option>\n";}
299: my $option;
300: foreach $option (@whichopt) {
301: if ($option eq $lastopt) {
302: if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
303: } else {
304: if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
305: }
306: }
307: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
308: $optionlist='<select onchange="javascript:setSubmittedPart(\''.
309: $part.'\');" name="HWVAL_'.
310: $Apache::inputtags::response[-1].':'.$temp.'">'.
311: $optionlist."</select>\n";
312: } else {
313: $optionlist=' '.$temp.' '.$optionlist.' ';
314: }
315: my $text=$Apache::response::foilgroup{$name.'.text'};
316: if ($target ne 'tex') {
317: if ($Apache::lonhomework::type ne 'exam') {
318: $result.='<br />'.$optionlist.$text."\n";
319: } else {
320: $result.='<br />'.$text."\n";
321: }
322: if ($Apache::lonhomework::type eq 'exam') {
323: my @values=(1..scalar(@whichopt));
324: $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
325: }
326: } else {
327: if ($Apache::lonhomework::type eq 'exam') {
328: $result.='\vskip 0 mm '.$text.' \vskip 0 mm '."\n";
329: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponse').'\end{enumerate} \vskip -8 mm \strut ';
330: $internal_counter++;
331: } else {
332: $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
333: }
334: }
335: $temp++;
336: }
337: }
338: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
339: return $result;
340: }
341:
342: sub getfoilcounts {
343: my ($max)=@_;
344: # +1 since instructors will count from 1
345: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
346: if (&Apache::response::showallfoils()) { $max=$count; }
347: if ($count>$max) { $count=$max }
348: &Apache::lonxml::debug("Count is $count from $max");
349: return $count;
350: }
351:
352: sub whichfoils {
353: my ($max,$randomize)=@_;
354: return &Apache::response::whichorder($max,$randomize,
355: &Apache::response::showallfoils(),
356: \%Apache::response::foilgroup);
357: }
358:
359: sub start_conceptgroup {
360: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
361: $Apache::rankresponse::conceptgroup=1;
362: %Apache::response::conceptgroup=();
363: my $result;
364: if ($target eq 'edit') {
365: $result.=&Apache::edit::tag_start($target,$token,
366: "Concept Grouped Foils");
367: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
368: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
369: }
370: if ($target eq 'modified') {
371: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
372: $safeeval,'concept');
373: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
374: }
375: return $result;
376: }
377:
378: sub end_conceptgroup {
379: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
380: $Apache::rankresponse::conceptgroup=0;
381: my $result='';
382: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
383: $target eq 'tex' || $target eq 'analyze') {
384: #if not there aren't any foils to display and thus no question
385: &Apache::response::pick_foil_for_concept($target,
386: ['value','text','location'],
387: \%Apache::hint::rank,
388: $parstack,$safeeval);
389: } elsif ($target eq 'edit') {
390: $result=&Apache::edit::end_table();
391: }
392: return $result;
393: }
394:
395: sub insert_conceptgroup {
396: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
397: return $result;
398: }
399:
400: sub start_foil {
401: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
402: my $result='';
403: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
404: &Apache::lonxml::startredirection;
405: if ($target eq 'analyze') {
406: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
407: }
408: } elsif ($target eq 'edit') {
409: $result=&Apache::edit::tag_start($target,$token,"Foil");
410: my $level='-2';
411: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
412: $result.=&Apache::edit::text_arg('Name:','name',$token);
413: $result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
414: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
415: $safeeval,'-3');
416: if ($randomize ne 'no') {
417: $result.=&Apache::edit::select_arg('Location:','location',
418: ['random','top','bottom'],$token);
419: }
420: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
421: } elsif ($target eq 'modified') {
422: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
423: $safeeval,'value',
424: 'name','location');
425: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
426: }
427: return $result;
428: }
429:
430: sub end_foil {
431: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
432: my $text ='';
433: my $result = '';
434: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
435: $text=&Apache::lonxml::endredirection;
436: }
437: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
438: $target eq 'tex' || $target eq 'analyze') {
439: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
440: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
441: $text='\vskip 5mm $\triangleright$ '.$text;
442: }
443: if ($value ne 'unused') {
444: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
445: &Apache::lonxml::debug("Got a name of :$name:");
446: if ($name eq "") {
447: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
448: $name=$Apache::lonxml::curdepth;
449: }
450: &Apache::lonxml::debug("Using a name of :$name:");
451: if (defined($Apache::response::foilnames{$name})) {
452: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
453: }
454: $Apache::response::foilnames{$name}++;
455: my $location =&Apache::lonxml::get_param('location',$parstack,
456: $safeeval);
457: if ( $Apache::rankresponse::conceptgroup
458: && !&Apache::response::showallfoils() ) {
459: push @{ $Apache::response::conceptgroup{'names'} }, $name;
460: $Apache::response::conceptgroup{"$name.value"} = $value;
461: $Apache::response::conceptgroup{"$name.text"} = $text;
462: $Apache::response::conceptgroup{"$name.location"} = $location;
463: } else {
464: push @{ $Apache::response::foilgroup{'names'} }, $name;
465: $Apache::response::foilgroup{"$name.value"} = $value;
466: $Apache::response::foilgroup{"$name.text"} = $text;
467: $Apache::response::foilgroup{"$name.location"} = $location;
468: }
469: }
470: }
471: if ($target eq 'edit') {
472: $result.= &Apache::edit::tag_end($target,$token,'');
473: }
474: return $result;
475: }
476:
477: sub insert_foil {
478: return '
479: <foil name="" value="unused">
480: <startouttext />
481: <endouttext />
482: </foil>';
483: }
484: 1;
485: __END__
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