Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.148
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.148 ! raeburn 4: # $Id: radiobuttonresponse.pm,v 1.147 2010/12/19 04:24:29 raeburn 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
1.130 foxr 21: # along with LON-CAPA; if not, write to the Free Software# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
1.31 albertel 22: #
23: # /home/httpd/html/adm/gpl.txt
24: #
25: # http://www.lon-capa.org/
26: #
1.1 albertel 27:
1.137 jms 28:
29:
1.1 albertel 30: package Apache::radiobuttonresponse;
31: use strict;
1.42 albertel 32: use HTML::Entities();
1.85 albertel 33: use Apache::lonlocal;
1.100 albertel 34: use Apache::lonnet;
1.115 foxr 35: use Apache::response;
1.1 albertel 36:
1.120 foxr 37: my $default_bubbles_per_line = 10;
1.121 foxr 38:
1.116 foxr 39:
1.36 harris41 40: BEGIN {
1.83 albertel 41: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1 albertel 42: }
43:
1.121 foxr 44: sub bubble_line_count {
45: my ($numfoils, $bubbles_per_line) = @_;
46: my $bubble_lines;
47: $bubble_lines = int($numfoils / $bubbles_per_line);
48: if (($numfoils % $bubbles_per_line) != 0) {
49: $bubble_lines++;
50: }
51: return $bubble_lines;
52:
53: }
54:
55:
1.1 albertel 56: sub start_radiobuttonresponse {
1.83 albertel 57: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
58: my $result;
1.115 foxr 59:
1.83 albertel 60: #when in a radiobutton response use these
61: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
62: push (@Apache::lonxml::namespace,'radiobuttonresponse');
63: my $id = &Apache::response::start_response($parstack,$safeeval);
1.120 foxr 64:
1.83 albertel 65: %Apache::hint::radiobutton=();
1.85 albertel 66: undef(%Apache::response::foilnames);
1.83 albertel 67: if ($target eq 'meta') {
68: $result=&Apache::response::meta_package_write('radiobuttonresponse');
69: } elsif ($target eq 'edit' ) {
1.136 bisitz 70: $result.=&Apache::edit::start_table($token)
71: .'<tr><td>'.&Apache::lonxml::description($token)
72: .&Apache::loncommon::help_open_topic('Radio_Response_Problems')
73: .'</td>'
74: .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
75: .&Apache::edit::deletelist($target,$token)
76: .'</span></td>'
1.140 raeburn 77: .'<td> '.&Apache::edit::end_row()
1.136 bisitz 78: .&Apache::edit::start_spanning_row();
1.83 albertel 79: $result.=
80: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
1.141 raeburn 81: $token,'4').' 'x 3 .
1.136 bisitz 82: &Apache::edit::select_arg('Randomize Foil Order:','randomize',
1.141 raeburn 83: ['yes','no'],$token).' 'x 3 .
84: &Apache::edit::select_arg('Display Direction:','direction',
1.103 albertel 85: ['vertical','horizontal'],$token).
1.83 albertel 86: &Apache::edit::end_row().
87: &Apache::edit::start_spanning_row()."\n";
88: } elsif ($target eq 'modified') {
89: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
90: $safeeval,'max',
1.103 albertel 91: 'randomize','direction');
1.83 albertel 92: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
93: } elsif ($target eq 'tex') {
94: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
95: undef,0);
96: if ($type eq '1') {
97: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
98: } elsif ($type eq 'A') {
99: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
100: } elsif ($type eq 'a') {
101: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
102: } elsif ($type eq 'i') {
103: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
1.88 albertel 104: } else {
105: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
1.83 albertel 106: }
1.143 onken 107: if($env{'form.pdfFormFields'} eq 'yes' && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.145 onken 108: $result .= '\begin{itemize}';
1.135 onken 109: } else {
110: $result .= '\begin{enumerate}';
111: }
1.83 albertel 112: } elsif ($target eq 'analyze') {
113: my $part_id="$Apache::inputtags::part.$id";
1.131 raeburn 114: $Apache::lonhomework::analyze{"$part_id.type"} = 'radiobuttonresponse';
1.83 albertel 115: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
116: }
117: return $result;
1.1 albertel 118: }
119:
120: sub end_radiobuttonresponse {
1.83 albertel 121: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
122: my $result;
123: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.145 onken 124: if ($target eq 'tex' ) {
125: if($env{'form.pdfFormFields'} eq 'yes' and $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
126: $result .= '\end{itemize}';
127: } else {
128: $result .= '\end{enumerate}';
129: }
1.135 onken 130: }
1.83 albertel 131: &Apache::response::end_response;
132: pop @Apache::lonxml::namespace;
133: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.85 albertel 134: undef(%Apache::response::foilnames);
1.83 albertel 135: return $result;
1.1 albertel 136: }
137:
1.43 albertel 138: %Apache::response::foilgroup=();
1.1 albertel 139: sub start_foilgroup {
1.83 albertel 140: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
141: my $result;
142: %Apache::response::foilgroup=();
143: $Apache::radiobuttonresponse::conceptgroup=0;
1.147 raeburn 144: &Apache::response::pushrandomnumber(undef,$target);
1.83 albertel 145: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
146: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
147: }
148: return $result;
1.5 albertel 149: }
150:
1.15 albertel 151: sub storesurvey {
1.144 raeburn 152: my ($style) = @_;
1.99 albertel 153: if ( !&Apache::response::submitted() ) { return ''; }
1.100 albertel 154: my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 155: &Apache::lonxml::debug("Here I am!:$response:");
156: if ( $response !~ /[0-9]+/) { return ''; }
1.96 albertel 157: my $part = $Apache::inputtags::part;
1.83 albertel 158: my $id = $Apache::inputtags::response['-1'];
159: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
160: my %responsehash;
161: $responsehash{$whichfoils[$response]}=$response;
1.96 albertel 162: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
163: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
164: $responsestr;
165: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
1.144 raeburn 166: my $ad;
167: if ($style eq 'anonsurvey') {
168: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS';
169: } elsif ($style eq 'anonsurveycred') {
1.146 raeburn 170: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='ANONYMOUS_CREDIT';
1.144 raeburn 171: } elsif ($style eq 'surveycred') {
172: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED_CREDIT';
173: } else {
174: $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
175: }
1.96 albertel 176: &Apache::response::handle_previous(\%previous,$ad);
1.83 albertel 177: &Apache::lonxml::debug("submitted a $response<br />\n");
178: return '';
1.15 albertel 179: }
180:
1.120 foxr 181:
1.32 albertel 182: sub grade_response {
1.123 albertel 183: my ($answer, $whichfoils, $bubbles_per_line)=@_;
184:
1.99 albertel 185: if ( !&Apache::response::submitted() ) { return; }
1.83 albertel 186: my $response;
1.118 foxr 187:
1.100 albertel 188: if ($env{'form.submitted'} eq 'scantron') {
1.121 foxr 189: $response = &Apache::response::getresponse(1,undef,
1.123 albertel 190: &bubble_line_count(scalar(@{ $whichfoils}),
1.121 foxr 191: $bubbles_per_line),
192: $bubbles_per_line);
1.116 foxr 193:
1.83 albertel 194: } else {
1.100 albertel 195: $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 196: }
1.120 foxr 197:
1.118 foxr 198:
1.83 albertel 199: if ( $response !~ /[0-9]+/) { return; }
200: my $part=$Apache::inputtags::part;
201: my $id = $Apache::inputtags::response['-1'];
202: my %responsehash;
1.123 albertel 203: $responsehash{$whichfoils->[$response]}=$response;
1.83 albertel 204: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
205: my %previous=&Apache::response::check_for_previous($responsestr,
206: $part,$id);
207: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
208: $responsestr;
209: &Apache::lonxml::debug("submitted a $response<br />\n");
210: my $ad;
211: if ($response == $answer) {
212: $ad='EXACT_ANS';
213: } else {
214: $ad='INCORRECT';
215: }
216: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
217: &Apache::response::handle_previous(\%previous,$ad);
1.32 albertel 218: }
219:
1.1 albertel 220: sub end_foilgroup {
1.83 albertel 221: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 222:
1.83 albertel 223: my $result;
1.121 foxr 224: my $bubble_lines;
225: my $bubbles_per_line;
226: my $answer_count;
1.129 foxr 227: my $id = $Apache::inputtags::response['-1'];
228: my $part = $Apache::inputtags::part;
1.121 foxr 229: $bubbles_per_line =
230: &Apache::response::get_response_param($Apache::inputtags::part."_$id",
231: 'numbubbles',
232: $default_bubbles_per_line);
233:
234:
1.83 albertel 235: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
236: $target eq 'tex' || $target eq 'analyze') {
237: my $style = $Apache::lonhomework::type;
1.93 albertel 238: my $direction = &Apache::lonxml::get_param('direction',$parstack,
239: $safeeval,'-2');
1.144 raeburn 240: if ( (($style eq 'survey') || ($style eq 'surveycred') ||
241: ($style eq 'anonsurvey') || ($style eq 'anonsurveycred'))
242: && ($target ne 'analyze')) {
1.83 albertel 243: if ($target eq 'web' || $target eq 'tex') {
1.110 foxr 244: $result=&displayallfoils($direction, $target);
1.83 albertel 245: } elsif ( $target eq 'answer' ) {
246: $result=&displayallanswers();
247: } elsif ( $target eq 'grade' ) {
1.144 raeburn 248: $result=&storesurvey($style);
1.83 albertel 249: }
1.121 foxr 250: $answer_count = scalar(@{$Apache::response::foilgroup{'names'}});
251:
1.83 albertel 252: } else {
1.121 foxr 253:
1.83 albertel 254: my $name;
255: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
256: '-2');
257: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
258: $safeeval,'-2');
1.123 albertel 259: my ($answer, @shown) = &whichfoils($max, $randomize);
1.121 foxr 260: $answer_count = scalar(@shown);
261:
1.83 albertel 262: if ($target eq 'web' || $target eq 'tex') {
1.121 foxr 263: $result=&displayfoils($target,
1.123 albertel 264: $answer, \@shown,
1.121 foxr 265: $direction,
266: $bubbles_per_line);
1.83 albertel 267: } elsif ($target eq 'answer' ) {
1.124 albertel 268: $result=&displayanswers($answer, \@shown, $bubbles_per_line);
1.83 albertel 269: } elsif ( $target eq 'grade') {
1.123 albertel 270: &grade_response($answer, \@shown, $bubbles_per_line);
1.83 albertel 271: } elsif ( $target eq 'analyze') {
1.126 foxr 272: my $bubble_lines = &bubble_line_count($answer_count,
273: $bubbles_per_line);
1.83 albertel 274: &Apache::response::analyze_store_foilgroup(\@shown,
275: ['text','value','location']);
1.129 foxr 276: my $part_id="$part.$id";
1.83 albertel 277: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
278: ('true','false'));
1.130 foxr 279:
1.83 albertel 280: }
1.81 albertel 281: }
1.111 albertel 282: $Apache::lonxml::post_evaluate=0;
1.83 albertel 283: }
1.114 albertel 284: if ($target eq 'web') {
285: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
286: [\%Apache::response::foilgroup]);
287: }
1.128 foxr 288: &Apache::response::poprandomnumber();
1.121 foxr 289: $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line);
1.128 foxr 290: &Apache::lonxml::increment_counter($bubble_lines,
1.129 foxr 291: "$part.$id");
1.128 foxr 292: if ($target eq 'analyze') {
293: &Apache::lonhomework::set_bubble_lines();
294: }
1.83 albertel 295: return $result;
1.6 albertel 296: }
297:
298: sub getfoilcounts {
1.83 albertel 299: my @names;
300: my $truecnt=0;
301: my $falsecnt=0;
302: my $name;
303: if ( $Apache::response::foilgroup{'names'} ) {
304: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 305: }
1.83 albertel 306: foreach $name (@names) {
307: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
308: $truecnt++;
309: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
310: $falsecnt++;
311: }
312: }
313: return ($truecnt,$falsecnt);
1.5 albertel 314: }
315:
1.114 albertel 316: sub format_prior_answer {
317: my ($mode,$answer,$other_data) = @_;
318: my $foil_data = $other_data->[0];
319: my %response = &Apache::lonnet::str2hash($answer);
320: my ($name) = keys(%response);
321: return '<span class="LC_prior_radiobutton">'.
322: $foil_data->{$name.'.text'}.'</span>';
323:
1.112 albertel 324: }
325:
1.15 albertel 326: sub displayallfoils {
1.110 foxr 327: my ($direction, $target)=@_;
1.83 albertel 328: my $result;
329: &Apache::lonxml::debug("survey style display");
1.106 albertel 330: my @names;
331: if ( $Apache::response::foilgroup{'names'} ) {
332: @names= @{ $Apache::response::foilgroup{'names'} };
333: }
1.120 foxr 334:
1.83 albertel 335: my $temp=0;
1.110 foxr 336: my $i =0;
1.83 albertel 337: my $id=$Apache::inputtags::response['-1'];
338: my $part=$Apache::inputtags::part;
1.147 raeburn 339: my ($lastresponse,$newvariation,$showanswer);
340: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
341: ($Apache::lonhomework::type eq 'randomizetry')) &&
342: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
343: if ($env{'form.'.$part.'.rndseed'} ne
344: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
345: $newvariation = 1;
346: }
347: }
348: $showanswer = &Apache::response::show_answer();
349: unless ((($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurvey') || ($Apache::lonhomework::history{"resource.$part.type"} eq 'anonsurveycred')) && (defined($env{'form.grade_symb'})) ||
350: ($newvariation && !$showanswer)) {
1.144 raeburn 351: $lastresponse =
352: $Apache::lonhomework::history{"resource.$part.$id.submission"};
353: }
1.93 albertel 354: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 355: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.147 raeburn 356: if ($showanswer) {
1.83 albertel 357: foreach my $name (@names) {
358: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.110 foxr 359: if (($direction eq 'horizontal') && ($target ne 'tex')) {
1.93 albertel 360: $result.="<td>";
361: } else {
1.110 foxr 362: if ($target eq 'tex') {
363: $result .= '\item \vskip -2mm ';
364: } else {
365: $result.="<br />";
366: }
1.93 albertel 367: }
1.84 albertel 368: if (defined($lastresponse{$name})) {
1.110 foxr 369: if ($target eq 'tex') {
370: $result .= '}';
371: } else {
372: $result.='<b>';
373: }
1.83 albertel 374: }
375: $result .= $Apache::response::foilgroup{$name.'.text'};
1.110 foxr 376: if (defined($lastresponse{$name}) && ($target ne 'tex')) {
1.83 albertel 377: $result.='</b>';
378: }
1.110 foxr 379: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
1.83 albertel 380: }
1.45 albertel 381: }
1.83 albertel 382: } else {
383: foreach my $name (@names) {
384: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 385: if ($direction eq 'horizontal') {
386: $result.="<td>";
387: } else {
1.110 foxr 388: if ($target eq 'tex') {
1.143 onken 389: if($env{'form.pdfFormFields'} eq 'yes' && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.145 onken 390: my $fieldname = $env{'request.symb'}.'&part_'. $Apache::inputtags::part
391: .'&radiobuttonresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'];
392: $result .= '\item[{'.&Apache::lonxml::print_pdf_radiobutton($fieldname,$temp).'}]'
393: .$Apache::response::foilgroup{$name.'.text'}."\n";
1.135 onken 394: } else {
395: $result .= '\item \vskip -2mm ';
396: }
397: } else {
1.110 foxr 398: $result.="<br />";
399: }
400: }
401: if ($target eq 'tex') {
1.143 onken 402: if($env{'form.pdfFormFields'} ne 'yes' or $Apache::inputtags::status[-1] ne 'CAN_ANSWER') {
1.135 onken 403: $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
404: }
1.110 foxr 405: $i++;
406: } else {
407: $result .= '<label>';
1.113 albertel 408: $result.="<input
409: onchange=\"javascript:setSubmittedPart('$part');\"
410: type=\"radio\"
411: name=\"HWVAL_$Apache::inputtags::response['-1']\"
1.142 bisitz 412: value=\"$temp\"";
1.147 raeburn 413:
1.142 bisitz 414: if (defined($lastresponse{$name})) { $result .= ' checked="checked"'; }
1.110 foxr 415: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
416: '</label>';
1.93 albertel 417: }
1.83 albertel 418: $temp++;
1.110 foxr 419: if ($target ne 'tex') {
420: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
421: } else {
422: $result.='\vskip 0 mm ';
423: }
1.83 albertel 424: }
1.45 albertel 425: }
426: }
1.120 foxr 427:
1.110 foxr 428: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
1.83 albertel 429: return $result;
1.15 albertel 430: }
431:
1.122 albertel 432:
1.28 albertel 433: sub whichfoils {
1.83 albertel 434: my ($max,$randomize)=@_;
1.28 albertel 435:
1.83 albertel 436: my @truelist;
437: my @falselist;
438: my @whichfalse =();
439: my ($truecnt,$falsecnt) = &getfoilcounts();
440: my $count=0;
441: # we will add in 1 of the true statements
1.104 albertel 442: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
1.83 albertel 443: my $answer=int(&Math::Random::random_uniform() * ($count));
444: &Apache::lonxml::debug("Count is $count, $answer is $answer");
445: my @names;
446: if ( $Apache::response::foilgroup{'names'} ) {
447: @names= @{ $Apache::response::foilgroup{'names'} };
448: }
449: if (&Apache::response::showallfoils()) {
450: @whichfalse=@names;
451: } elsif ($randomize eq 'no') {
452: &Apache::lonxml::debug("No randomization");
453: my $havetrue=0;
454: foreach my $name (@names) {
455: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
456: if (!$havetrue ) {
457: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
458: }
459: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
460: push (@whichfalse,$name);
461: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
462: } else {
1.87 albertel 463: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 464: }
465: }
1.144 raeburn 466: if ((!$havetrue) &&
467: ($Apache::lonhomework::type ne 'survey') &&
468: ($Apache::lonhomework::type ne 'surveycred') &&
469: ($Apache::lonhomework::type ne 'anonsurvey') &&
470: ($Apache::lonhomework::type ne 'anonsurveycred')) {
1.134 bisitz 471: &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
1.97 albertel 472: }
1.83 albertel 473: } else {
474: my $current=0;
475: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
476: my (%top,%bottom);
477: #first find out where everyone wants to be
478: foreach my $name (@names) {
479: $current++;
480: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
481: push (@truelist,$name);
482: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
483: $top{$name}=$current;
484: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
485: $bottom{$name}=$current;
486: }
487: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
488: push (@falselist,$name);
489: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
490: $top{$name}=$current;
491: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
492: $bottom{$name}=$current;
493: }
494: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
495: } else {
1.87 albertel 496: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 497: }
498: }
499: #pick a true statement
500: my $notrue=0;
501: if (scalar(@truelist) == 0) { $notrue=1; }
502: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
503: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
504: my (@toplist, @bottomlist);
505: my $topcount=0;
506: my $bottomcount=0;
507: # assign everyone to either toplist/bottomlist or whichfalse
508: # which false is randomized, toplist bottomlist are in order
509: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
510: &Apache::lonxml::debug("Have $#whichfalse max is $max");
511: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
512: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
513: $afalse=splice(@falselist,$afalse,1);
514: &Apache::lonxml::debug("Picked $afalse");
515: &Apache::lonhomework::showhash(('names'=>\@names));
516: &Apache::lonhomework::showhash(%top);
517: if ($top{$afalse}) {
518: $toplist[$top{$afalse}]=$afalse;
519: $topcount++;
520: } elsif ($bottom{$afalse}) {
521: $bottomlist[$bottom{$afalse}]=$afalse;
522: $bottomcount++;
523: } else {
524: push (@whichfalse,$afalse);
525: }
526: }
527: &Apache::lonxml::debug("Answer wants $answer");
528: my $truename=$truelist[$whichtrue];
529: my $dosplice=1;
1.144 raeburn 530: if (($notrue) &&
531: ($Apache::lonhomework::type ne 'survey') &&
532: ($Apache::lonhomework::type ne 'surveycred') &&
533: ($Apache::lonhomework::type ne 'anonsurvey') &&
534: ($Apache::lonhomework::type ne 'anonsurveycred')) {
1.83 albertel 535: $dosplice=0;
1.134 bisitz 536: &Apache::lonxml::error(&mt('There are no true statements available.').'<br />');
1.83 albertel 537: }
538: #insert the true statement, keeping track of where it wants to be
539: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
540: $toplist[$top{$truename}]=$truename;
541: $answer=-1;
542: foreach my $top (reverse(@toplist)) {
543: if ($top) { $answer++;}
544: if ($top eq $truename) { last; }
1.49 albertel 545: }
1.83 albertel 546: $dosplice=0;
547: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
548: $bottomlist[$bottom{$truename}]=$truename;
549: $answer=-1;
550: foreach my $bot (@bottomlist) {
551: if ($bot) { $answer++;}
552: if ($bot eq $truename) { last; }
1.49 albertel 553: }
1.83 albertel 554: $answer+=$topcount+$#whichfalse+1;
555: $dosplice=0;
1.49 albertel 556: } else {
1.83 albertel 557: if ($topcount>0 || $bottomcount>0) {
558: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
559: + $topcount;
560: }
561: }
562: &Apache::lonxml::debug("Answer now wants $answer");
563: #add the top items to the top, bottom items to the bottom
564: for (my $i=0;$i<=$#toplist;$i++) {
565: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 566: }
1.83 albertel 567: for (my $i=0;$i<=$#bottomlist;$i++) {
568: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 569: }
1.83 albertel 570: #if the true statement is randomized insert it into the list
571: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 572: }
1.83 albertel 573: &Apache::lonxml::debug("Answer is $answer");
574: return ($answer,@whichfalse);
1.28 albertel 575: }
576:
577: sub displayfoils {
1.123 albertel 578: my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_;
1.83 albertel 579: my $result;
1.28 albertel 580:
1.22 albertel 581: my $part=$Apache::inputtags::part;
1.83 albertel 582: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
583: if ( ($target ne 'tex') &&
584: &Apache::response::show_answer() ) {
1.90 albertel 585: if ($direction eq 'horizontal') {
586: if ($target ne 'tex') {
587: $result.='<table><tr>';
588: }
589: }
1.123 albertel 590: foreach my $name (@{ $whichfoils }) {
1.90 albertel 591: if ($direction eq 'horizontal') {
592: if ($target ne 'tex') { $result.='<td>'; }
593: }
1.83 albertel 594: if ($target ne 'tex') {
595: $result.="<br />";
596: } else {
597: $result.='\item \vskip -2 mm ';
598: }
599: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.132 bisitz 600: if ($target ne 'tex') {
601: $result.=&mt('Correct:').'<b>';
602: } else {
603: $result.=&mt('Correct:').' \textbf{';
604: }
1.83 albertel 605: } else {
1.132 bisitz 606: $result.=&mt('Incorrect:');
1.83 albertel 607: }
1.94 matthew 608: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 609: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 610: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 611: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
612: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
613: }
1.90 albertel 614: if ($direction eq 'horizontal') {
615: if ($target ne 'tex') { $result.='</td>'; }
616: }
617: }
618: if ($direction eq 'horizontal') {
619: if ($target ne 'tex') {
620: $result.='</tr></table>';
621: }
1.83 albertel 622: }
623: } else {
624: my @alphabet = ('A'..'Z');
625: my $i = 0;
1.116 foxr 626: my $bubble_number = 0;
1.124 albertel 627: my $line = 0;
1.83 albertel 628: my $temp=0;
629: my $id=$Apache::inputtags::response['-1'];
630: my $part=$Apache::inputtags::part;
1.147 raeburn 631: my ($lastresponse,$newvariation);
632: if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
633: ($Apache::lonhomework::type eq 'randomizetry')) &&
634: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
635: if ($env{'form.'.$part.'.rndseed'} ne
636: $Apache::lonhomework::history{"resource.$part.rndseed"}) {
637: $newvariation = 1;
638: }
639: }
640: unless ($newvariation) {
641: $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
642: }
1.83 albertel 643: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 644: if ($target ne 'tex' && $direction eq 'horizontal') {
645: $result.="<table><tr>";
646: }
1.123 albertel 647: foreach my $name (@{ $whichfoils }) {
1.83 albertel 648: if ($target ne 'tex') {
1.90 albertel 649: if ($direction eq 'horizontal') {
650: $result.="<td>";
651: } else {
652: $result.="<br />";
653: }
654: }
655: if ($target ne 'tex') {
1.94 matthew 656: $result.= '<label>';
1.113 albertel 657: $result.=
658: "<input type=\"radio\"
659: onchange=\"javascript:setSubmittedPart('$part');\"
660: name=\"HWVAL_$Apache::inputtags::response['-1']\"
1.142 bisitz 661: value=\"$temp\"";
662: if (defined($lastresponse{$name})) { $result .= ' checked="checked"'; }
1.108 albertel 663: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 664: } else {
665: if ($Apache::lonhomework::type eq 'exam') {
1.116 foxr 666: if($bubble_number >= $bubbles_per_line) {
1.124 albertel 667: $line++;
1.116 foxr 668: $i = 0;
669: $bubble_number = 0;
1.124 albertel 670: $result.='\item[\textbf{'.($Apache::lonxml::counter+$line).'}.]';
1.116 foxr 671: }
1.124 albertel 672: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
673: $i++;
674: $bubble_number++;
1.83 albertel 675: } else {
1.145 onken 676: if($env{'form.pdfFormFields'} eq 'yes' && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
677: my $fieldname = $env{'request.symb'}.'&part_'. $Apache::inputtags::part
678: .'&radiobuttonresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'];
679: $result .= '\item[{'.&Apache::lonxml::print_pdf_radiobutton($fieldname,$temp).'}]'
680: .$Apache::response::foilgroup{$name.'.text'}."\n";
681: } else {
682: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
683: }
1.135 onken 684: }
1.83 albertel 685: }
1.90 albertel 686: if ($target ne 'tex' && $direction eq 'horizontal') {
687: $result.="</td>";
688: }
1.83 albertel 689: $temp++;
690: }
1.90 albertel 691: if ($target ne 'tex' && $direction eq 'horizontal') {
692: $result.="</tr></table>";
693: }
1.83 albertel 694: }
1.92 albertel 695: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 696: return $result;
1.81 albertel 697: }
698:
699: sub displayallanswers {
1.106 albertel 700: my @names;
701: if ( $Apache::response::foilgroup{'names'} ) {
702: @names= @{ $Apache::response::foilgroup{'names'} };
703: }
1.81 albertel 704: my $result=&Apache::response::answer_header('radiobuttonresponse');
705: foreach my $name (@names) {
706: $result.=&Apache::response::answer_part('radiobuttonresponse',
707: $Apache::response::foilgroup{$name.'.value'});
708: }
709: $result.=&Apache::response::answer_footer('radiobuttonresponse');
710: return $result;
1.14 albertel 711: }
712:
1.28 albertel 713: sub displayanswers {
1.124 albertel 714: my ($answer, $whichopt, $bubbles_per_line)=@_;
715: my $result;
716:
1.105 albertel 717: if ($Apache::lonhomework::type eq 'exam') {
1.124 albertel 718: my $line = int($answer/$bubbles_per_line);
719: my $correct = ('A'..'Z')[$answer%$bubbles_per_line];
720: $result .= &Apache::response::answer_header('radiobuttonresponse',
721: $line);
722: $result .= &Apache::response::answer_part('radiobuttonresponse',
723: $correct);
724: } else {
725: $result .= &Apache::response::answer_header('radiobuttonresponse');
1.105 albertel 726: }
1.123 albertel 727: foreach my $name (@{ $whichopt }) {
1.83 albertel 728: $result.=&Apache::response::answer_part('radiobuttonresponse',
1.105 albertel 729: $Apache::response::foilgroup{$name.'.value'});
730: }
1.83 albertel 731: $result.=&Apache::response::answer_footer('radiobuttonresponse');
732: return $result;
1.28 albertel 733: }
734:
1.14 albertel 735: sub start_conceptgroup {
1.83 albertel 736: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
737: $Apache::radiobuttonresponse::conceptgroup=1;
738: %Apache::response::conceptgroup=();
739: my $result;
740: if ($target eq 'edit') {
741: $result.=&Apache::edit::tag_start($target,$token);
742: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
743: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
744: } elsif ($target eq 'modified') {
745: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
746: $safeeval,'concept');
747: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
748: }
749: return $result;
1.14 albertel 750: }
751:
752: sub end_conceptgroup {
1.83 albertel 753: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
754: $Apache::radiobuttonresponse::conceptgroup=0;
755: my $result;
756: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
757: $target eq 'tex' || $target eq 'analyze') {
758: &Apache::response::pick_foil_for_concept($target,
759: ['value','text','location'],
760: \%Apache::hint::radiobutton,
761: $parstack,$safeeval);
762: } elsif ($target eq 'edit') {
763: $result=&Apache::edit::end_table();
764: }
765: return $result;
1.26 albertel 766: }
767:
768: sub insert_conceptgroup {
1.83 albertel 769: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
770: return $result;
1.1 albertel 771: }
772:
773: sub start_foil {
1.83 albertel 774: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
775: my $result='';
776: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
777: &Apache::lonxml::startredirection;
1.95 albertel 778: if ($target eq 'analyze') {
779: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
780: }
1.83 albertel 781: } elsif ($target eq 'edit') {
782: $result=&Apache::edit::tag_start($target,$token);
783: $result.=&Apache::edit::text_arg('Name:','name',$token);
784: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
785: ['unused','true','false'],
786: $token);
787: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
788: $safeeval,'-3');
789: if ($randomize ne 'no') {
790: $result.=&Apache::edit::select_arg('Location:','location',
791: ['random','top','bottom'],$token);
792: }
793: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
794: } elsif ($target eq 'modified') {
795: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
796: $safeeval,'value','name',
797: 'location');
798: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
799: }
800: return $result;
1.1 albertel 801: }
802:
803: sub end_foil {
1.83 albertel 804: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
805: my $text='';
806: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
807: $text=&Apache::lonxml::endredirection;
808: }
1.85 albertel 809: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
810: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 811: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
812: if ($value ne 'unused') {
813: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.102 albertel 814: if ($name eq "") {
1.134 bisitz 815: &Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
1.98 albertel 816: $name=$Apache::lonxml::curdepth;
817: }
1.85 albertel 818: if (defined($Apache::response::foilnames{$name})) {
1.134 bisitz 819: &Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.','<b><tt>'.$name.'</tt></b>'));
1.85 albertel 820: }
1.86 albertel 821: $Apache::response::foilnames{$name}++;
1.85 albertel 822: my $location =&Apache::lonxml::get_param('location',$parstack,
823: $safeeval);
1.83 albertel 824: if ( $Apache::radiobuttonresponse::conceptgroup
825: && !&Apache::response::showallfoils() ) {
826: push @{ $Apache::response::conceptgroup{'names'} }, $name;
827: $Apache::response::conceptgroup{"$name.value"} = $value;
828: $Apache::response::conceptgroup{"$name.text"} = $text;
829: $Apache::response::conceptgroup{"$name.location"} = $location;
830: } else {
831: push @{ $Apache::response::foilgroup{'names'} }, $name;
832: $Apache::response::foilgroup{"$name.value"} = $value;
833: $Apache::response::foilgroup{"$name.text"} = $text;
834: $Apache::response::foilgroup{"$name.location"} = $location;
835: }
836: }
1.18 albertel 837: }
1.83 albertel 838: return '';
1.1 albertel 839: }
840:
1.27 albertel 841: sub insert_foil {
1.83 albertel 842: return '
1.27 albertel 843: <foil name="" value="unused">
844: <startouttext />
845: <endouttext />
846: </foil>';
847: }
1.1 albertel 848: 1;
849: __END__
1.139 jms 850:
851:
852:
853: =head1 NAME
854:
855: Apache::radiobuttonresponse
856:
857: =head1 SYNOPSIS
858:
859: Handles multiple-choice style responses.
860:
861: This is part of the LearningOnline Network with CAPA project
862: described at http://www.lon-capa.org.
863:
864: =head1 SUBROUTINES
865:
866: =over
867:
868: =item start_radiobuttonresponse()
869:
870: =item bubble_line_count()
871:
872: =item end_radiobuttonresponse()
873:
874: =item start_foilgroup()
875:
876: =item storesurvey()
877:
878: =item grade_response()
879:
880: =item end_foilgroup()
881:
882: =item getfoilcounts()
883:
884: =item format_prior_answer()
885:
886: =item displayallfoils()
887:
888: =item &whichfoils($max,$randomize)
889:
890: Randomizes the list of foils.
891: Respects
892: - each foils desire to be randomized
893: - the existance of Concept groups of foils (select 1 foil from each)
894: - and selects a single correct statement from all possilble true statments
895: - and limits it to a toal of $max foils
896:
897: WARNING: this routine uses the random number generator, it should only
898: be called once per target, otherwise it can cause randomness changes in
899: homework problems.
900:
901: Arguments
902: $max - maximum number of foils to select (including the true one)
903: (so a max of 5 is: 1 true, 4 false)
904:
905: $randomize - whether to randomize the listing of foils, by default
906: will randomize, only if randomize is 'no' will it not
907:
908: Returns
909: $answer - location in the array of the correct answer
910: @foils - array of foil names in to display order
911:
912: =item displayfoils()
913:
914: =item displayallanswers()
915:
916: =item displayanswers()
917:
918: =item start_conceptgroup()
919:
920: =item end_conceptgroup()
921:
922: =item insert_conceptgroup()
923:
924: =item start_foil()
925:
926: =item end_foil()
927:
928: =item insert_foil()
929:
930: =back
931:
932: =cut
1.1 albertel 933:
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