1: # The LearningOnline Network with CAPA
2: # rank style response
3: #
4: # $Id: rankresponse.pm,v 1.33 2004/04/07 19:31:06 sakharuk 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::setrandomnumber();
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: return $result;
122: }
123:
124: sub get_correct_order {
125: my ($tol,@foils) =@_;
126: my @correctorder;
127: my @value_names;
128: foreach my $name (@foils) {
129: my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
130: push(@value_names,\@pair);
131: }
132: @value_names =
133: sort {
134: if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
135: return 0;
136: } @value_names;
137: my @value_names_tmp=@value_names;
138: my $firstpair=shift(@value_names_tmp);
139: my $order=1;
140: my %order;
141: my $count=1;
142: my $lastvalue=$firstpair->[0];
143: $order{$firstpair->[1]}=$order;
144: foreach my $pair (@value_names_tmp) {
145: $count++;
146: if (abs($pair->[0]-$lastvalue) > $tol ) {
147: $order=$count;
148: }
149: $order{$pair->[1]}=$order;
150: $lastvalue=$pair->[0];
151: }
152: foreach my $name (@foils) {
153: push(@correctorder,$order{$name});
154: }
155: &Apache::lonhomework::showhash('b' => \@value_names);
156: &Apache::lonhomework::showhash('b' => \@correctorder);
157: return @correctorder;
158: }
159:
160: sub displayanswers {
161: my ($max,$randomize,$tol,@opt)=@_;
162: if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
163: my @names = @{ $Apache::response::foilgroup{'names'} };
164: my @whichfoils = &whichfoils($max,$randomize);
165: my $result=&Apache::response::answer_header('rankresponse');
166: my @correctorder=&get_correct_order($tol,@whichfoils);
167: foreach my $order (@correctorder) {
168: $result.=&Apache::response::answer_part('rankresponse',$order);
169: }
170: $result.=&Apache::response::answer_footer('rankresponse');
171: return $result;
172: }
173:
174: sub check_response_order {
175: my (%responsehash)=@_;
176: my @order=sort(values(%responsehash));
177: my $lastvalue=0;
178: my $expected=1;
179: my $malformed=0;
180: foreach my $current (@order) {
181: &Apache::lonxml::debug("$lastvalue $expected $malformed");
182: if (!($current == $lastvalue || $current == $expected)) {
183: $malformed=1;
184: }
185: $expected++;
186: $lastvalue=$current;
187: }
188: return $malformed;
189: }
190:
191: sub grade_response {
192: my ($max,$randomize,$tol)=@_;
193: my (@whichfoils)=&whichfoils($max,$randomize);
194: if (!defined($ENV{'form.submitted'})) { return; }
195: my %responsehash;
196: my %grade;
197: my ($temp,$right,$wrong,$ignored)=(1,0,0,0);
198: my @correctorder=&get_correct_order($tol,@whichfoils);
199: foreach my $name (@whichfoils) {
200: my $response = &Apache::response::getresponse($temp);
201: my $value=shift(@correctorder);
202: if ( $response =~ /[^\s]/) {
203: $responsehash{$name}=$response;
204: &Apache::lonxml::debug("submitted a $response for $value<br />\n");
205: if ($value eq $response) {
206: $grade{$name}='1'; $right++;
207: } else {
208: $grade{$name}='0'; $wrong++;
209: }
210: } else {
211: $ignored++;
212: }
213: $temp++;
214: }
215: my $malformed=&check_response_order(%responsehash);
216: my $part=$Apache::inputtags::part;
217: my $id = $Apache::inputtags::response['-1'];
218: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
219: my $gradestr =&Apache::lonnet::hash2str(%grade);
220: my %previous=&Apache::response::check_for_previous($responsestr,
221: $part,$id);
222: &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
223: my $ad;
224: if ($malformed) {
225: $ad='MISORDERED_RANK';
226: } elsif ($wrong==0 && $ignored==0) {
227: $ad='EXACT_ANS';
228: } elsif ($wrong==0 && $right==0) {
229: #nothing submitted
230: } else {
231: if ($ignored==0) {
232: $ad='INCORRECT';
233: } else {
234: $ad='MISSING_ANSWER';
235: }
236: }
237: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
238: $responsestr;
239: $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
240: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
241: &Apache::response::handle_previous(\%previous,$ad);
242: }
243:
244: sub displayfoils {
245: my ($target,$max,$randomize,$tol)=@_;
246: my $result;
247: my @alphabet=('A'..'Z');
248: my (@whichfoils)=&whichfoils($max,$randomize);
249: my $part=$Apache::inputtags::part;
250: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
251: my @whichopt=(1..($#whichfoils+1));
252: my @correctorder=&get_correct_order($tol,@whichfoils);
253: if ( &Apache::response::show_answer() && ($target ne 'tex')) {
254: foreach my $name (@whichfoils) {
255: my $text=$Apache::response::foilgroup{$name.'.text'};
256: my $value=shift(@correctorder);
257: if ($target eq 'web') {$result.='<br />';} else {$result.=' \strut\\\\\strut ';}
258: $result.=$value.':'.$text;
259: }
260: } else {
261: my $i = 0;
262: my $temp=1;
263: my $id=$Apache::inputtags::response[-1];
264: my $part=$Apache::inputtags::part;
265: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
266: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
267: my @alp = splice @alphabet, 0, $#whichopt + 1;
268: my $internal_counter=$Apache::lonxml::counter;
269: foreach my $name (@whichfoils) {
270: my $lastopt=$lastresponse{$name};
271: my $optionlist='';
272: if ($target ne 'tex') {$optionlist="<option></option>\n";}
273: my $option;
274: foreach $option (@whichopt) {
275: if ($option eq $lastopt) {
276: if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
277: } else {
278: if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
279: }
280: }
281: if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
282: $optionlist='<select name="HWVAL_'.
283: $Apache::inputtags::response[-1].':'.$temp.'">'.
284: $optionlist."</select>\n";
285: } else {
286: $optionlist=' '.$temp.' '.$optionlist.' ';
287: }
288: my $text=$Apache::response::foilgroup{$name.'.text'};
289: if ($target ne 'tex') {
290: if ($Apache::lonhomework::type ne 'exam') {
291: $result.='<br />'.$optionlist.$text."\n";
292: } else {
293: $result.='<br />'.$text."\n";
294: }
295: if ($Apache::lonhomework::type eq 'exam') {
296: my @values=(1..scalar(@whichopt));
297: $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
298: }
299: } else {
300: if ($Apache::lonhomework::type eq 'exam') {
301: $result.='\vskip 0 mm '.$text.' \vskip 0 mm '."\n";
302: $result.='\vskip -1 mm\noindent\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]'.&Apache::optionresponse::bubbles(\@alp,\@whichopt).'\end{enumerate} \vskip -8 mm \strut ';
303: $internal_counter++;
304: } else {
305: $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
306: }
307: }
308: $temp++;
309: }
310: }
311: if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
312: return $result;
313: }
314:
315: sub getfoilcounts {
316: my ($max)=@_;
317: # +1 since instructors will count from 1
318: my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
319: if (&Apache::response::showallfoils()) { $max=$count; }
320: if ($count>$max) { $count=$max }
321: &Apache::lonxml::debug("Count is $count from $max");
322: return $count;
323: }
324:
325: sub whichfoils {
326: my ($max,$randomize)=@_;
327: return &Apache::response::whichorder($max,$randomize,
328: &Apache::response::showallfoils(),
329: \%Apache::response::foilgroup);
330: }
331:
332: sub start_conceptgroup {
333: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
334: $Apache::rankresponse::conceptgroup=1;
335: %Apache::response::conceptgroup=();
336: my $result;
337: if ($target eq 'edit') {
338: $result.=&Apache::edit::tag_start($target,$token,
339: "Concept Grouped Foils");
340: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
341: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
342: }
343: if ($target eq 'modified') {
344: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
345: $safeeval,'concept');
346: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
347: }
348: return $result;
349: }
350:
351: sub end_conceptgroup {
352: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
353: $Apache::rankresponse::conceptgroup=0;
354: my $result='';
355: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
356: $target eq 'tex' || $target eq 'analyze') {
357: #if not there aren't any foils to display and thus no question
358: &Apache::response::pick_foil_for_concept($target,
359: ['value','text','location'],
360: \%Apache::hint::rank,
361: $parstack,$safeeval);
362: } elsif ($target eq 'edit') {
363: $result=&Apache::edit::end_table();
364: }
365: return $result;
366: }
367:
368: sub insert_conceptgroup {
369: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
370: return $result;
371: }
372:
373: sub start_foil {
374: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
375: my $result='';
376: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
377: &Apache::lonxml::startredirection;
378: } elsif ($target eq 'edit') {
379: $result=&Apache::edit::tag_start($target,$token,"Foil");
380: my $level='-2';
381: if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
382: $result.=&Apache::edit::text_arg('Name:','name',$token);
383: $result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
384: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
385: $safeeval,'-3');
386: if ($randomize ne 'no') {
387: $result.=&Apache::edit::select_arg('Location:','location',
388: ['random','top','bottom'],$token);
389: }
390: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
391: } elsif ($target eq 'modified') {
392: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
393: $safeeval,'value',
394: 'name','location');
395: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
396: }
397: return $result;
398: }
399:
400: sub end_foil {
401: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
402: my $text ='';
403: my $result = '';
404: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
405: $text=&Apache::lonxml::endredirection;
406: }
407: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
408: $target eq 'tex' || $target eq 'analyze') {
409: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
410: if ($value ne 'unused') {
411: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
412: &Apache::lonxml::debug("Got a name of :$name:");
413: if (!$name) { $name=$Apache::lonxml::curdepth; }
414: &Apache::lonxml::debug("Using a name of :$name:");
415: if (defined($Apache::response::foilnames{$name})) {
416: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
417: }
418: $Apache::response::foilnames{$name}++;
419: my $location =&Apache::lonxml::get_param('location',$parstack,
420: $safeeval);
421: if ( $Apache::rankresponse::conceptgroup
422: && !&Apache::response::showallfoils() ) {
423: push @{ $Apache::response::conceptgroup{'names'} }, $name;
424: $Apache::response::conceptgroup{"$name.value"} = $value;
425: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
426: $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
427: } else {
428: $Apache::response::conceptgroup{"$name.text"} = $text;
429: }
430: $Apache::response::conceptgroup{"$name.location"} = $location;
431: } else {
432: push @{ $Apache::response::foilgroup{'names'} }, $name;
433: $Apache::response::foilgroup{"$name.value"} = $value;
434: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
435: $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
436: } else {
437: if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
438: $Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;
439: } else {
440: $Apache::response::foilgroup{"$name.text"} = $text;
441: }
442: }
443: $Apache::response::foilgroup{"$name.location"} = $location;
444: }
445: }
446: }
447: if ($target eq 'edit') {
448: $result.= &Apache::edit::tag_end($target,$token,'');
449: }
450: return $result;
451: }
452:
453: sub insert_foil {
454: return '
455: <foil name="" value="unused">
456: <startouttext />
457: <endouttext />
458: </foil>';
459: }
460: 1;
461: __END__
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