Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.126
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.126 ! foxr 4: # $Id: radiobuttonresponse.pm,v 1.125 2007/08/06 20:52:54 albertel Exp $
1.31 albertel 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: #
1.1 albertel 28:
29: package Apache::radiobuttonresponse;
30: use strict;
1.42 albertel 31: use HTML::Entities();
1.85 albertel 32: use Apache::lonlocal;
1.100 albertel 33: use Apache::lonnet;
1.115 foxr 34: use Apache::response;
1.1 albertel 35:
1.120 foxr 36: my $default_bubbles_per_line = 10;
1.121 foxr 37:
1.116 foxr 38:
1.36 harris41 39: BEGIN {
1.83 albertel 40: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1 albertel 41: }
42:
1.121 foxr 43: sub bubble_line_count {
44: my ($numfoils, $bubbles_per_line) = @_;
45: my $bubble_lines;
46: $bubble_lines = int($numfoils / $bubbles_per_line);
47: if (($numfoils % $bubbles_per_line) != 0) {
48: $bubble_lines++;
49: }
50: return $bubble_lines;
51:
52: }
53:
54:
1.1 albertel 55: sub start_radiobuttonresponse {
1.83 albertel 56: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
57: my $result;
1.115 foxr 58:
1.120 foxr 59:
60:
1.83 albertel 61: #when in a radiobutton response use these
62: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
63: push (@Apache::lonxml::namespace,'radiobuttonresponse');
64: my $id = &Apache::response::start_response($parstack,$safeeval);
1.120 foxr 65:
1.83 albertel 66: %Apache::hint::radiobutton=();
1.85 albertel 67: undef(%Apache::response::foilnames);
1.83 albertel 68: if ($target eq 'meta') {
69: $result=&Apache::response::meta_package_write('radiobuttonresponse');
70: } elsif ($target eq 'edit' ) {
71: $result.=&Apache::edit::start_table($token).
72: '<tr><td>'.&Apache::lonxml::description($token).
73: &Apache::loncommon::help_open_topic('Radio_Response_Problems').
74: "</td><td>Delete:".
75: &Apache::edit::deletelist($target,$token)
76: ."</td><td> ".&Apache::edit::end_row()
77: .&Apache::edit::start_spanning_row();
78: $result.=
79: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
80: $token,'4').
81: &Apache::edit::select_arg('Randomize Foil Order','randomize',
82: ['yes','no'],$token).
1.103 albertel 83: &Apache::edit::select_arg('Display Direction','direction',
84: ['vertical','horizontal'],$token).
1.83 albertel 85: &Apache::edit::end_row().
86: &Apache::edit::start_spanning_row()."\n";
87: } elsif ($target eq 'modified') {
88: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
89: $safeeval,'max',
1.103 albertel 90: 'randomize','direction');
1.83 albertel 91: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
92: } elsif ($target eq 'tex') {
93: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
94: undef,0);
95: if ($type eq '1') {
96: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
97: } elsif ($type eq 'A') {
98: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
99: } elsif ($type eq 'a') {
100: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
101: } elsif ($type eq 'i') {
102: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
1.88 albertel 103: } else {
104: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
1.83 albertel 105: }
106: $result .= '\begin{enumerate}';
107: } elsif ($target eq 'analyze') {
108: my $part_id="$Apache::inputtags::part.$id";
109: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
110: }
111: return $result;
1.1 albertel 112: }
113:
114: sub end_radiobuttonresponse {
1.83 albertel 115: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
116: my $result;
117: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
118: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
119: &Apache::response::end_response;
120: pop @Apache::lonxml::namespace;
121: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.85 albertel 122: undef(%Apache::response::foilnames);
1.83 albertel 123: return $result;
1.1 albertel 124: }
125:
1.43 albertel 126: %Apache::response::foilgroup=();
1.1 albertel 127: sub start_foilgroup {
1.83 albertel 128: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
129: my $result;
130: %Apache::response::foilgroup=();
131: $Apache::radiobuttonresponse::conceptgroup=0;
1.89 albertel 132: &Apache::response::pushrandomnumber();
1.83 albertel 133: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
134: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
135: }
136: return $result;
1.5 albertel 137: }
138:
1.15 albertel 139: sub storesurvey {
1.99 albertel 140: if ( !&Apache::response::submitted() ) { return ''; }
1.100 albertel 141: my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 142: &Apache::lonxml::debug("Here I am!:$response:");
143: if ( $response !~ /[0-9]+/) { return ''; }
1.96 albertel 144: my $part = $Apache::inputtags::part;
1.83 albertel 145: my $id = $Apache::inputtags::response['-1'];
146: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
147: my %responsehash;
148: $responsehash{$whichfoils[$response]}=$response;
1.96 albertel 149: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
150: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
151: $responsestr;
152: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
153: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
154: &Apache::response::handle_previous(\%previous,$ad);
1.83 albertel 155: &Apache::lonxml::debug("submitted a $response<br />\n");
156: return '';
1.15 albertel 157: }
158:
1.120 foxr 159:
1.32 albertel 160: sub grade_response {
1.123 albertel 161: my ($answer, $whichfoils, $bubbles_per_line)=@_;
162:
1.99 albertel 163: if ( !&Apache::response::submitted() ) { return; }
1.83 albertel 164: my $response;
1.118 foxr 165:
1.100 albertel 166: if ($env{'form.submitted'} eq 'scantron') {
1.121 foxr 167: $response = &Apache::response::getresponse(1,undef,
1.123 albertel 168: &bubble_line_count(scalar(@{ $whichfoils}),
1.121 foxr 169: $bubbles_per_line),
170: $bubbles_per_line);
1.116 foxr 171:
1.83 albertel 172: } else {
1.100 albertel 173: $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 174: }
1.120 foxr 175:
1.118 foxr 176:
1.83 albertel 177: if ( $response !~ /[0-9]+/) { return; }
178: my $part=$Apache::inputtags::part;
179: my $id = $Apache::inputtags::response['-1'];
180: my %responsehash;
1.123 albertel 181: $responsehash{$whichfoils->[$response]}=$response;
1.83 albertel 182: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
183: my %previous=&Apache::response::check_for_previous($responsestr,
184: $part,$id);
185: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
186: $responsestr;
187: &Apache::lonxml::debug("submitted a $response<br />\n");
188: my $ad;
189: if ($response == $answer) {
190: $ad='EXACT_ANS';
191: } else {
192: $ad='INCORRECT';
193: }
194: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
195: &Apache::response::handle_previous(\%previous,$ad);
1.32 albertel 196: }
197:
1.1 albertel 198: sub end_foilgroup {
1.83 albertel 199: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 200:
1.83 albertel 201: my $result;
1.121 foxr 202: my $bubble_lines;
203: my $bubbles_per_line;
204: my $answer_count;
205: my $id = $Apache::inputtags::response['-1'];
206: $bubbles_per_line =
207: &Apache::response::get_response_param($Apache::inputtags::part."_$id",
208: 'numbubbles',
209: $default_bubbles_per_line);
210:
211:
1.83 albertel 212: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
213: $target eq 'tex' || $target eq 'analyze') {
214: my $style = $Apache::lonhomework::type;
1.93 albertel 215: my $direction = &Apache::lonxml::get_param('direction',$parstack,
216: $safeeval,'-2');
1.83 albertel 217: if ( $style eq 'survey' && $target ne 'analyze') {
218: if ($target eq 'web' || $target eq 'tex') {
1.110 foxr 219: $result=&displayallfoils($direction, $target);
1.83 albertel 220: } elsif ( $target eq 'answer' ) {
221: $result=&displayallanswers();
222: } elsif ( $target eq 'grade' ) {
223: $result=&storesurvey();
224: }
1.121 foxr 225: $answer_count = scalar(@{$Apache::response::foilgroup{'names'}});
226:
1.83 albertel 227: } else {
1.121 foxr 228:
1.83 albertel 229: my $name;
230: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
231: '-2');
232: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
233: $safeeval,'-2');
1.123 albertel 234: my ($answer, @shown) = &whichfoils($max, $randomize);
1.121 foxr 235: $answer_count = scalar(@shown);
236:
1.83 albertel 237: if ($target eq 'web' || $target eq 'tex') {
1.121 foxr 238: $result=&displayfoils($target,
1.123 albertel 239: $answer, \@shown,
1.121 foxr 240: $direction,
241: $bubbles_per_line);
1.83 albertel 242: } elsif ($target eq 'answer' ) {
1.124 albertel 243: $result=&displayanswers($answer, \@shown, $bubbles_per_line);
1.83 albertel 244: } elsif ( $target eq 'grade') {
1.123 albertel 245: &grade_response($answer, \@shown, $bubbles_per_line);
1.83 albertel 246: } elsif ( $target eq 'analyze') {
1.126 ! foxr 247: my $bubble_lines = &bubble_line_count($answer_count,
! 248: $bubbles_per_line);
1.83 albertel 249: &Apache::response::analyze_store_foilgroup(\@shown,
250: ['text','value','location']);
251: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
252: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
253: ('true','false'));
1.126 ! foxr 254: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} },
! 255: $bubble_lines);
! 256: my $hash_value = $Apache::lonhomework::analyze{"$part_id.bubble_lines"}[0];
! 257:
1.83 albertel 258: }
1.81 albertel 259: }
1.111 albertel 260: $Apache::lonxml::post_evaluate=0;
1.83 albertel 261: }
1.114 albertel 262: if ($target eq 'web') {
263: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
264: [\%Apache::response::foilgroup]);
265: }
1.121 foxr 266: $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line);
1.89 albertel 267: &Apache::response::poprandomnumber();
1.120 foxr 268: &Apache::lonxml::increment_counter($bubble_lines);
1.83 albertel 269: return $result;
1.6 albertel 270: }
271:
272: sub getfoilcounts {
1.83 albertel 273: my @names;
274: my $truecnt=0;
275: my $falsecnt=0;
276: my $name;
277: if ( $Apache::response::foilgroup{'names'} ) {
278: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 279: }
1.83 albertel 280: foreach $name (@names) {
281: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
282: $truecnt++;
283: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
284: $falsecnt++;
285: }
286: }
287: return ($truecnt,$falsecnt);
1.5 albertel 288: }
289:
1.114 albertel 290: sub format_prior_answer {
291: my ($mode,$answer,$other_data) = @_;
292: my $foil_data = $other_data->[0];
293: my %response = &Apache::lonnet::str2hash($answer);
294: my ($name) = keys(%response);
295: return '<span class="LC_prior_radiobutton">'.
296: $foil_data->{$name.'.text'}.'</span>';
297:
1.112 albertel 298: }
299:
1.15 albertel 300: sub displayallfoils {
1.110 foxr 301: my ($direction, $target)=@_;
1.83 albertel 302: my $result;
303: &Apache::lonxml::debug("survey style display");
1.106 albertel 304: my @names;
305: if ( $Apache::response::foilgroup{'names'} ) {
306: @names= @{ $Apache::response::foilgroup{'names'} };
307: }
1.120 foxr 308:
1.83 albertel 309: my $temp=0;
1.110 foxr 310: my $i =0;
1.83 albertel 311: my $id=$Apache::inputtags::response['-1'];
312: my $part=$Apache::inputtags::part;
313: my $lastresponse=
314: $Apache::lonhomework::history{"resource.$part.$id.submission"};
1.93 albertel 315: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 316: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
317: if (&Apache::response::show_answer() ) {
318: foreach my $name (@names) {
319: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.110 foxr 320: if (($direction eq 'horizontal') && ($target ne 'tex')) {
1.93 albertel 321: $result.="<td>";
322: } else {
1.110 foxr 323: if ($target eq 'tex') {
324: $result .= '\item \vskip -2mm ';
325: } else {
326: $result.="<br />";
327: }
1.93 albertel 328: }
1.84 albertel 329: if (defined($lastresponse{$name})) {
1.110 foxr 330: if ($target eq 'tex') {
331: $result .= '}';
332: } else {
333: $result.='<b>';
334: }
1.83 albertel 335: }
336: $result .= $Apache::response::foilgroup{$name.'.text'};
1.110 foxr 337: if (defined($lastresponse{$name}) && ($target ne 'tex')) {
1.83 albertel 338: $result.='</b>';
339: }
1.110 foxr 340: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
1.83 albertel 341: }
1.45 albertel 342: }
1.83 albertel 343: } else {
344: foreach my $name (@names) {
345: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 346: if ($direction eq 'horizontal') {
347: $result.="<td>";
348: } else {
1.110 foxr 349: if ($target eq 'tex') {
350: $result .= '\item \vskip -2mm ';
351: } else {
352: $result.="<br />";
353: }
354: }
355: if ($target eq 'tex') {
356: $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
357: $i++;
358: } else {
359: $result .= '<label>';
1.113 albertel 360: $result.="<input
361: onchange=\"javascript:setSubmittedPart('$part');\"
362: type=\"radio\"
363: name=\"HWVAL_$Apache::inputtags::response['-1']\"
364: value=\"$temp\" ";
1.110 foxr 365: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
366: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
367: '</label>';
1.93 albertel 368: }
1.83 albertel 369: $temp++;
1.110 foxr 370: if ($target ne 'tex') {
371: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
372: } else {
373: $result.='\vskip 0 mm ';
374: }
1.83 albertel 375: }
1.45 albertel 376: }
377: }
1.120 foxr 378:
1.110 foxr 379: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
1.83 albertel 380: return $result;
1.15 albertel 381: }
382:
1.122 albertel 383: =pod
384:
385: =item &whichfoils($max,$randomize)
386:
387: Randomizes the list of foils.
388: Respects
389: - each foils desire to be randomized
390: - the existance of Concept groups of foils (select 1 foil from each)
391: - and selects a single correct statement from all possilble true statments
392: - and limits it to a toal of $max foils
393:
1.123 albertel 394: WARNING: this routine uses the random number generator, it should only
395: be called once per target, otherwise it can cause randomness changes in
396: homework problems.
397:
1.122 albertel 398: Arguments
399: $max - maximum number of foils to select (including the true one)
400: (so a max of 5 is: 1 true, 4 false)
401:
402: $randomize - whether to randomize the listing of foils, by default
403: will randomize, only if randomize is 'no' will it not
404:
405: Returns
406: $answer - location in the array of the correct answer
407: @foils - array of foil names in to display order
408:
409: =cut
410:
1.28 albertel 411: sub whichfoils {
1.83 albertel 412: my ($max,$randomize)=@_;
1.28 albertel 413:
1.83 albertel 414: my @truelist;
415: my @falselist;
416: my @whichfalse =();
417: my ($truecnt,$falsecnt) = &getfoilcounts();
418: my $count=0;
419: # we will add in 1 of the true statements
1.104 albertel 420: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
1.83 albertel 421: my $answer=int(&Math::Random::random_uniform() * ($count));
422: &Apache::lonxml::debug("Count is $count, $answer is $answer");
423: my @names;
424: if ( $Apache::response::foilgroup{'names'} ) {
425: @names= @{ $Apache::response::foilgroup{'names'} };
426: }
427: if (&Apache::response::showallfoils()) {
428: @whichfalse=@names;
429: } elsif ($randomize eq 'no') {
430: &Apache::lonxml::debug("No randomization");
431: my $havetrue=0;
432: foreach my $name (@names) {
433: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
434: if (!$havetrue ) {
435: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
436: }
437: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
438: push (@whichfalse,$name);
439: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
440: } else {
1.87 albertel 441: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 442: }
443: }
1.97 albertel 444: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
445: &Apache::lonxml::error("There are no true statements available.<br />");
446: }
1.83 albertel 447: } else {
448: my $current=0;
449: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
450: my (%top,%bottom);
451: #first find out where everyone wants to be
452: foreach my $name (@names) {
453: $current++;
454: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
455: push (@truelist,$name);
456: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
457: $top{$name}=$current;
458: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
459: $bottom{$name}=$current;
460: }
461: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
462: push (@falselist,$name);
463: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
464: $top{$name}=$current;
465: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
466: $bottom{$name}=$current;
467: }
468: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
469: } else {
1.87 albertel 470: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 471: }
472: }
473: #pick a true statement
474: my $notrue=0;
475: if (scalar(@truelist) == 0) { $notrue=1; }
476: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
477: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
478: my (@toplist, @bottomlist);
479: my $topcount=0;
480: my $bottomcount=0;
481: # assign everyone to either toplist/bottomlist or whichfalse
482: # which false is randomized, toplist bottomlist are in order
483: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
484: &Apache::lonxml::debug("Have $#whichfalse max is $max");
485: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
486: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
487: $afalse=splice(@falselist,$afalse,1);
488: &Apache::lonxml::debug("Picked $afalse");
489: &Apache::lonhomework::showhash(('names'=>\@names));
490: &Apache::lonhomework::showhash(%top);
491: if ($top{$afalse}) {
492: $toplist[$top{$afalse}]=$afalse;
493: $topcount++;
494: } elsif ($bottom{$afalse}) {
495: $bottomlist[$bottom{$afalse}]=$afalse;
496: $bottomcount++;
497: } else {
498: push (@whichfalse,$afalse);
499: }
500: }
501: &Apache::lonxml::debug("Answer wants $answer");
502: my $truename=$truelist[$whichtrue];
503: my $dosplice=1;
504: if ($notrue && $Apache::lonhomework::type ne 'survey') {
505: $dosplice=0;
506: &Apache::lonxml::error("There are no true statements available.<br />");
507: }
508: #insert the true statement, keeping track of where it wants to be
509: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
510: $toplist[$top{$truename}]=$truename;
511: $answer=-1;
512: foreach my $top (reverse(@toplist)) {
513: if ($top) { $answer++;}
514: if ($top eq $truename) { last; }
1.49 albertel 515: }
1.83 albertel 516: $dosplice=0;
517: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
518: $bottomlist[$bottom{$truename}]=$truename;
519: $answer=-1;
520: foreach my $bot (@bottomlist) {
521: if ($bot) { $answer++;}
522: if ($bot eq $truename) { last; }
1.49 albertel 523: }
1.83 albertel 524: $answer+=$topcount+$#whichfalse+1;
525: $dosplice=0;
1.49 albertel 526: } else {
1.83 albertel 527: if ($topcount>0 || $bottomcount>0) {
528: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
529: + $topcount;
530: }
531: }
532: &Apache::lonxml::debug("Answer now wants $answer");
533: #add the top items to the top, bottom items to the bottom
534: for (my $i=0;$i<=$#toplist;$i++) {
535: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 536: }
1.83 albertel 537: for (my $i=0;$i<=$#bottomlist;$i++) {
538: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 539: }
1.83 albertel 540: #if the true statement is randomized insert it into the list
541: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 542: }
1.83 albertel 543: &Apache::lonxml::debug("Answer is $answer");
544: return ($answer,@whichfalse);
1.28 albertel 545: }
546:
547: sub displayfoils {
1.123 albertel 548: my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_;
1.83 albertel 549: my $result;
1.28 albertel 550:
1.22 albertel 551: my $part=$Apache::inputtags::part;
1.83 albertel 552: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
553: if ( ($target ne 'tex') &&
554: &Apache::response::show_answer() ) {
1.90 albertel 555: if ($direction eq 'horizontal') {
556: if ($target ne 'tex') {
557: $result.='<table><tr>';
558: }
559: }
1.123 albertel 560: foreach my $name (@{ $whichfoils }) {
1.90 albertel 561: if ($direction eq 'horizontal') {
562: if ($target ne 'tex') { $result.='<td>'; }
563: }
1.83 albertel 564: if ($target ne 'tex') {
565: $result.="<br />";
566: } else {
567: $result.='\item \vskip -2 mm ';
568: }
569: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
570: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
571: } else {
572: $result.='Incorrect:';
573: }
1.94 matthew 574: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 575: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 576: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 577: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
578: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
579: }
1.90 albertel 580: if ($direction eq 'horizontal') {
581: if ($target ne 'tex') { $result.='</td>'; }
582: }
583: }
584: if ($direction eq 'horizontal') {
585: if ($target ne 'tex') {
586: $result.='</tr></table>';
587: }
1.83 albertel 588: }
589: } else {
590: my @alphabet = ('A'..'Z');
591: my $i = 0;
1.116 foxr 592: my $bubble_number = 0;
1.124 albertel 593: my $line = 0;
1.83 albertel 594: my $temp=0;
595: my $id=$Apache::inputtags::response['-1'];
596: my $part=$Apache::inputtags::part;
597: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
598: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 599: if ($target ne 'tex' && $direction eq 'horizontal') {
600: $result.="<table><tr>";
601: }
1.123 albertel 602: foreach my $name (@{ $whichfoils }) {
1.83 albertel 603: if ($target ne 'tex') {
1.90 albertel 604: if ($direction eq 'horizontal') {
605: $result.="<td>";
606: } else {
607: $result.="<br />";
608: }
609: }
610: if ($target ne 'tex') {
1.94 matthew 611: $result.= '<label>';
1.113 albertel 612: $result.=
613: "<input type=\"radio\"
614: onchange=\"javascript:setSubmittedPart('$part');\"
615: name=\"HWVAL_$Apache::inputtags::response['-1']\"
616: value=\"$temp\" ";
1.83 albertel 617: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.108 albertel 618: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 619: } else {
620: if ($Apache::lonhomework::type eq 'exam') {
1.116 foxr 621: if($bubble_number >= $bubbles_per_line) {
1.124 albertel 622: $line++;
1.116 foxr 623: $i = 0;
624: $bubble_number = 0;
1.124 albertel 625: $result.='\item[\textbf{'.($Apache::lonxml::counter+$line).'}.]';
1.116 foxr 626: }
1.124 albertel 627: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
628: $i++;
629: $bubble_number++;
1.83 albertel 630: } else {
631: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
632: }
633: }
1.90 albertel 634: if ($target ne 'tex' && $direction eq 'horizontal') {
635: $result.="</td>";
636: }
1.83 albertel 637: $temp++;
638: }
1.90 albertel 639: if ($target ne 'tex' && $direction eq 'horizontal') {
640: $result.="</tr></table>";
641: }
1.83 albertel 642: }
1.92 albertel 643: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 644: return $result;
1.81 albertel 645: }
646:
647: sub displayallanswers {
1.106 albertel 648: my @names;
649: if ( $Apache::response::foilgroup{'names'} ) {
650: @names= @{ $Apache::response::foilgroup{'names'} };
651: }
1.81 albertel 652: my $result=&Apache::response::answer_header('radiobuttonresponse');
653: foreach my $name (@names) {
654: $result.=&Apache::response::answer_part('radiobuttonresponse',
655: $Apache::response::foilgroup{$name.'.value'});
656: }
657: $result.=&Apache::response::answer_footer('radiobuttonresponse');
658: return $result;
1.14 albertel 659: }
660:
1.28 albertel 661: sub displayanswers {
1.124 albertel 662: my ($answer, $whichopt, $bubbles_per_line)=@_;
663: my $result;
664:
1.105 albertel 665: if ($Apache::lonhomework::type eq 'exam') {
1.124 albertel 666: my $line = int($answer/$bubbles_per_line);
667: my $correct = ('A'..'Z')[$answer%$bubbles_per_line];
668: $result .= &Apache::response::answer_header('radiobuttonresponse',
669: $line);
670: $result .= &Apache::response::answer_part('radiobuttonresponse',
671: $correct);
672: } else {
673: $result .= &Apache::response::answer_header('radiobuttonresponse');
1.105 albertel 674: }
1.123 albertel 675: foreach my $name (@{ $whichopt }) {
1.83 albertel 676: $result.=&Apache::response::answer_part('radiobuttonresponse',
1.105 albertel 677: $Apache::response::foilgroup{$name.'.value'});
678: }
1.83 albertel 679: $result.=&Apache::response::answer_footer('radiobuttonresponse');
680: return $result;
1.28 albertel 681: }
682:
1.14 albertel 683: sub start_conceptgroup {
1.83 albertel 684: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
685: $Apache::radiobuttonresponse::conceptgroup=1;
686: %Apache::response::conceptgroup=();
687: my $result;
688: if ($target eq 'edit') {
689: $result.=&Apache::edit::tag_start($target,$token);
690: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
691: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
692: } elsif ($target eq 'modified') {
693: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
694: $safeeval,'concept');
695: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
696: }
697: return $result;
1.14 albertel 698: }
699:
700: sub end_conceptgroup {
1.83 albertel 701: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
702: $Apache::radiobuttonresponse::conceptgroup=0;
703: my $result;
704: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
705: $target eq 'tex' || $target eq 'analyze') {
706: &Apache::response::pick_foil_for_concept($target,
707: ['value','text','location'],
708: \%Apache::hint::radiobutton,
709: $parstack,$safeeval);
710: } elsif ($target eq 'edit') {
711: $result=&Apache::edit::end_table();
712: }
713: return $result;
1.26 albertel 714: }
715:
716: sub insert_conceptgroup {
1.83 albertel 717: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
718: return $result;
1.1 albertel 719: }
720:
721: sub start_foil {
1.83 albertel 722: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
723: my $result='';
724: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
725: &Apache::lonxml::startredirection;
1.95 albertel 726: if ($target eq 'analyze') {
727: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
728: }
1.83 albertel 729: } elsif ($target eq 'edit') {
730: $result=&Apache::edit::tag_start($target,$token);
731: $result.=&Apache::edit::text_arg('Name:','name',$token);
732: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
733: ['unused','true','false'],
734: $token);
735: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
736: $safeeval,'-3');
737: if ($randomize ne 'no') {
738: $result.=&Apache::edit::select_arg('Location:','location',
739: ['random','top','bottom'],$token);
740: }
741: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
742: } elsif ($target eq 'modified') {
743: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
744: $safeeval,'value','name',
745: 'location');
746: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
747: }
748: return $result;
1.1 albertel 749: }
750:
751: sub end_foil {
1.83 albertel 752: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
753: my $text='';
754: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
755: $text=&Apache::lonxml::endredirection;
756: }
1.85 albertel 757: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
758: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 759: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
760: if ($value ne 'unused') {
761: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.102 albertel 762: if ($name eq "") {
1.101 albertel 763: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
1.98 albertel 764: $name=$Apache::lonxml::curdepth;
765: }
1.85 albertel 766: if (defined($Apache::response::foilnames{$name})) {
767: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
768: }
1.86 albertel 769: $Apache::response::foilnames{$name}++;
1.85 albertel 770: my $location =&Apache::lonxml::get_param('location',$parstack,
771: $safeeval);
1.83 albertel 772: if ( $Apache::radiobuttonresponse::conceptgroup
773: && !&Apache::response::showallfoils() ) {
774: push @{ $Apache::response::conceptgroup{'names'} }, $name;
775: $Apache::response::conceptgroup{"$name.value"} = $value;
776: $Apache::response::conceptgroup{"$name.text"} = $text;
777: $Apache::response::conceptgroup{"$name.location"} = $location;
778: } else {
779: push @{ $Apache::response::foilgroup{'names'} }, $name;
780: $Apache::response::foilgroup{"$name.value"} = $value;
781: $Apache::response::foilgroup{"$name.text"} = $text;
782: $Apache::response::foilgroup{"$name.location"} = $location;
783: }
784: }
1.18 albertel 785: }
1.83 albertel 786: return '';
1.1 albertel 787: }
788:
1.27 albertel 789: sub insert_foil {
1.83 albertel 790: return '
1.27 albertel 791: <foil name="" value="unused">
792: <startouttext />
793: <endouttext />
794: </foil>';
795: }
1.1 albertel 796: 1;
797: __END__
798:
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