1: # The LearningOnline Network with CAPA
2: # rank style response
3: #
4: # $Id: rankresponse.pm,v 1.38 2004/09/09 18:34:29 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,$tol);
108: } elsif ($target eq 'answer' ) {
109: $result=&displayanswers($max,$randomize,$tol);
110: } elsif ( $target eq 'grade') {
111: &grade_response($max,$randomize,$tol);
112: } elsif ( $target eq 'analyze') {
113: my @shown = &whichfoils($max,$randomize);
114: &Apache::response::analyze_store_foilgroup(\@shown,
115: ['text','value','location']);
116: }
117: &Apache::lonxml::increment_counter(&getfoilcounts($max));
118: } elsif ($target eq 'edit') {
119: $result=&Apache::edit::end_table();
120: }
121: &Apache::response::poprandomnumber();
122: return $result;
123: }
124:
125: sub get_correct_order {
126: my ($tol,@foils) =@_;
127: my @correctorder;
128: my @value_names;
129: foreach my $name (@foils) {
130: my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
131: push(@value_names,\@pair);
132: }
133: @value_names =
134: sort {
135: if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
136: return 0;
137: } @value_names;
138: my @value_names_tmp=@value_names;
139: my $firstpair=shift(@value_names_tmp);
140: my $order=1;
141: my %order;
142: my $count=1;
143: my $lastvalue=$firstpair->[0];
144: $order{$firstpair->[1]}=$order;
145: foreach my $pair (@value_names_tmp) {
146: $count++;
147: if (abs($pair->[0]-$lastvalue) > $tol ) {
148: $order=$count;
149: }
150: $order{$pair->[1]}=$order;
151: $lastvalue=$pair->[0];
152: }
153: foreach my $name (@foils) {
154: push(@correctorder,$order{$name});
155: }
156: &Apache::lonhomework::showhash('b' => \@value_names);
157: &Apache::lonhomework::showhash('b' => \@correctorder);
158: return @correctorder;
159: }
160:
161: sub displayanswers {
162: my ($max,$randomize,$tol,@opt)=@_;
163: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
164: my @names = @{ $Apache::response::foilgroup{'names'} };
165: my @whichfoils = &whichfoils($max,$randomize);
166: my $result=&Apache::response::answer_header('rankresponse');
167: my @correctorder=&get_correct_order($tol,@whichfoils);
168: foreach my $order (@correctorder) {
169: $result.=&Apache::response::answer_part('rankresponse',$order);
170: }
171: $result.=&Apache::response::answer_footer('rankresponse');
172: return $result;
173: }
174:
175: sub check_response_order {
176: my (%responsehash)=@_;
177: my @order=sort(values(%responsehash));
178: my $lastvalue=0;
179: my $expected=1;
180: my $malformed=0;
181: foreach my $current (@order) {
182: &Apache::lonxml::debug("$lastvalue $expected $malformed");
183: if (!($current == $lastvalue || $current == $expected)) {
184: $malformed=1;
185: }
186: $expected++;
187: $lastvalue=$current;
188: }
189: return $malformed;
190: }
191:
192: sub grade_response {
193: my ($max,$randomize,$tol)=@_;
194: my (@whichfoils)=&whichfoils($max,$randomize);
195: if (!defined($ENV{'form.submitted'})) { return; }
196: my %responsehash;
197: my %grade;
198: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
199: my @correctorder=&get_correct_order($tol,@whichfoils);
200: foreach my $name (@whichfoils) {
201: my $response = &Apache::response::getresponse($temp,'A is 1');
202: my $value=shift(@correctorder);
203: if ( $response =~ /[^\s]/) {
204: $responsehash{$name}=$response;
205: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
206: if ($value eq $response) {
207: $grade{$name}='1'; $right++;
208: } else {
209: $grade{$name}='0'; $wrong++;
210: }
211: } else {
212: $ignored++;
213: }
214: $temp++;
215: }
216: my $malformed=&check_response_order(%responsehash);
217: my $part=$Apache::inputtags::part;
218: my $id = $Apache::inputtags::response['-1'];
219: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
220: my $gradestr =&Apache::lonnet::hash2str(%grade);
221: my %previous=&Apache::response::check_for_previous($responsestr,
222: $part,$id);
223: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
224: my $ad;
225: if ($malformed) {
226: $ad='MISORDERED_RANK';
227: } elsif ($wrong==0 && $ignored==0) {
228: $ad='EXACT_ANS';
229: } elsif ($wrong==0 && $right==0) {
230: #nothing submitted
231: } else {
232: if ($ignored==0) {
233: $ad='INCORRECT';
234: } else {
235: $ad='MISSING_ANSWER';
236: }
237: }
238: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
239: $responsestr;
240: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
241: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
242: &Apache::response::handle_previous(\%previous,$ad);
243: }
244:
245: sub displayfoils {
246: my ($target,$max,$randomize,$tol)=@_;
247: my $result;
248: my @alphabet=('A'..'Z');
249: my (@whichfoils)=&whichfoils($max,$randomize);
250: my $part=$Apache::inputtags::part;
251: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
252: my @whichopt=(1..($#whichfoils+1));
253: my @correctorder=&get_correct_order($tol,@whichfoils);
254: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
255: foreach my $name (@whichfoils) {
256: my $text=$Apache::response::foilgroup{$name.'.text'};
257: my $value=shift(@correctorder);
258: if ($target eq 'web') {$result.='<br />';} else {$result.=' \strut\\\\\strut ';}
259: $result.=$value.':'.$text;
260: }
261: } else {
262: my $i = 0;
263: my $temp=1;
264: my $id=$Apache::inputtags::response[-1];
265: my $part=$Apache::inputtags::part;
266: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
267: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
268: my @alp = splice @alphabet, 0, $#whichopt + 1;
269: my $internal_counter=$Apache::lonxml::counter;
270: foreach my $name (@whichfoils) {
271: my $lastopt=$lastresponse{$name};
272: my $optionlist='';
273: if ($target ne 'tex') {$optionlist="<option></option>\n";}
274: my $option;
275: foreach $option (@whichopt) {
276: if ($option eq $lastopt) {
277: if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
278: } else {
279: if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
280: }
281: }
282: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
283: $optionlist='<select name="HWVAL_'.
284: $Apache::inputtags::response[-1].':'.$temp.'">'.
285: $optionlist."</select>\n";
286: } else {
287: $optionlist=' '.$temp.' '.$optionlist.' ';
288: }
289: my $text=$Apache::response::foilgroup{$name.'.text'};
290: if ($target ne 'tex') {
291: if ($Apache::lonhomework::type ne 'exam') {
292: $result.='<br />'.$optionlist.$text."\n";
293: } else {
294: $result.='<br />'.$text."\n";
295: }
296: if ($Apache::lonhomework::type eq 'exam') {
297: my @values=(1..scalar(@whichopt));
298: $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
299: }
300: } else {
301: if ($Apache::lonhomework::type eq 'exam') {
302: $result.='\vskip 0 mm '.$text.' \vskip 0 mm '."\n";
303: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&Apache::optionresponse::bubbles(\@alp,\@whichopt,'rankresponse').'\end{enumerate} \vskip -8 mm \strut ';
304: $internal_counter++;
305: } else {
306: $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
307: }
308: }
309: $temp++;
310: }
311: }
312: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
313: return $result;
314: }
315:
316: sub getfoilcounts {
317: my ($max)=@_;
318: # +1 since instructors will count from 1
319: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
320: if (&Apache::response::showallfoils()) { $max=$count; }
321: if ($count>$max) { $count=$max }
322: &Apache::lonxml::debug("Count is $count from $max");
323: return $count;
324: }
325:
326: sub whichfoils {
327: my ($max,$randomize)=@_;
328: return &Apache::response::whichorder($max,$randomize,
329: &Apache::response::showallfoils(),
330: \%Apache::response::foilgroup);
331: }
332:
333: sub start_conceptgroup {
334: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
335: $Apache::rankresponse::conceptgroup=1;
336: %Apache::response::conceptgroup=();
337: my $result;
338: if ($target eq 'edit') {
339: $result.=&Apache::edit::tag_start($target,$token,
340: "Concept Grouped Foils");
341: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
342: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
343: }
344: if ($target eq 'modified') {
345: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
346: $safeeval,'concept');
347: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
348: }
349: return $result;
350: }
351:
352: sub end_conceptgroup {
353: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
354: $Apache::rankresponse::conceptgroup=0;
355: my $result='';
356: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
357: $target eq 'tex' || $target eq 'analyze') {
358: #if not there aren't any foils to display and thus no question
359: &Apache::response::pick_foil_for_concept($target,
360: ['value','text','location'],
361: \%Apache::hint::rank,
362: $parstack,$safeeval);
363: } elsif ($target eq 'edit') {
364: $result=&Apache::edit::end_table();
365: }
366: return $result;
367: }
368:
369: sub insert_conceptgroup {
370: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
371: return $result;
372: }
373:
374: sub start_foil {
375: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
376: my $result='';
377: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
378: &Apache::lonxml::startredirection;
379: } elsif ($target eq 'edit') {
380: $result=&Apache::edit::tag_start($target,$token,"Foil");
381: my $level='-2';
382: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
383: $result.=&Apache::edit::text_arg('Name:','name',$token);
384: $result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
385: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
386: $safeeval,'-3');
387: if ($randomize ne 'no') {
388: $result.=&Apache::edit::select_arg('Location:','location',
389: ['random','top','bottom'],$token);
390: }
391: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
392: } elsif ($target eq 'modified') {
393: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
394: $safeeval,'value',
395: 'name','location');
396: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
397: }
398: return $result;
399: }
400:
401: sub end_foil {
402: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
403: my $text ='';
404: my $result = '';
405: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
406: $text=&Apache::lonxml::endredirection;
407: }
408: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
409: $target eq 'tex' || $target eq 'analyze') {
410: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
411: if ($value ne 'unused') {
412: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
413: &Apache::lonxml::debug("Got a name of :$name:");
414: if (!$name) { $name=$Apache::lonxml::curdepth; }
415: &Apache::lonxml::debug("Using a name of :$name:");
416: if (defined($Apache::response::foilnames{$name})) {
417: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
418: }
419: $Apache::response::foilnames{$name}++;
420: my $location =&Apache::lonxml::get_param('location',$parstack,
421: $safeeval);
422: if ( $Apache::rankresponse::conceptgroup
423: && !&Apache::response::showallfoils() ) {
424: push @{ $Apache::response::conceptgroup{'names'} }, $name;
425: $Apache::response::conceptgroup{"$name.value"} = $value;
426: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
427: $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
428: } else {
429: $Apache::response::conceptgroup{"$name.text"} = $text;
430: }
431: $Apache::response::conceptgroup{"$name.location"} = $location;
432: } else {
433: push @{ $Apache::response::foilgroup{'names'} }, $name;
434: $Apache::response::foilgroup{"$name.value"} = $value;
435: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
436: $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
437: } else {
438: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
439: $Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;
440: } else {
441: $Apache::response::foilgroup{"$name.text"} = $text;
442: }
443: }
444: $Apache::response::foilgroup{"$name.location"} = $location;
445: }
446: }
447: }
448: if ($target eq 'edit') {
449: $result.= &Apache::edit::tag_end($target,$token,'');
450: }
451: return $result;
452: }
453:
454: sub insert_foil {
455: return '
456: <foil name="" value="unused">
457: <startouttext />
458: <endouttext />
459: </foil>';
460: }
461: 1;
462: __END__
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