Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.129
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.129 ! foxr 4: # $Id: radiobuttonresponse.pm,v 1.128 2007/10/08 09:22:50 foxr 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:
1.83 albertel 59: #when in a radiobutton response use these
60: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
61: push (@Apache::lonxml::namespace,'radiobuttonresponse');
62: my $id = &Apache::response::start_response($parstack,$safeeval);
1.120 foxr 63:
1.83 albertel 64: %Apache::hint::radiobutton=();
1.85 albertel 65: undef(%Apache::response::foilnames);
1.83 albertel 66: if ($target eq 'meta') {
67: $result=&Apache::response::meta_package_write('radiobuttonresponse');
68: } elsif ($target eq 'edit' ) {
69: $result.=&Apache::edit::start_table($token).
70: '<tr><td>'.&Apache::lonxml::description($token).
71: &Apache::loncommon::help_open_topic('Radio_Response_Problems').
72: "</td><td>Delete:".
73: &Apache::edit::deletelist($target,$token)
74: ."</td><td> ".&Apache::edit::end_row()
75: .&Apache::edit::start_spanning_row();
76: $result.=
77: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
78: $token,'4').
79: &Apache::edit::select_arg('Randomize Foil Order','randomize',
80: ['yes','no'],$token).
1.103 albertel 81: &Apache::edit::select_arg('Display Direction','direction',
82: ['vertical','horizontal'],$token).
1.83 albertel 83: &Apache::edit::end_row().
84: &Apache::edit::start_spanning_row()."\n";
85: } elsif ($target eq 'modified') {
86: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
87: $safeeval,'max',
1.103 albertel 88: 'randomize','direction');
1.83 albertel 89: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
90: } elsif ($target eq 'tex') {
91: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
92: undef,0);
93: if ($type eq '1') {
94: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
95: } elsif ($type eq 'A') {
96: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
97: } elsif ($type eq 'a') {
98: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
99: } elsif ($type eq 'i') {
100: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
1.88 albertel 101: } else {
102: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
1.83 albertel 103: }
104: $result .= '\begin{enumerate}';
105: } elsif ($target eq 'analyze') {
106: my $part_id="$Apache::inputtags::part.$id";
107: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
108: }
109: return $result;
1.1 albertel 110: }
111:
112: sub end_radiobuttonresponse {
1.83 albertel 113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
114: my $result;
115: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
116: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
117: &Apache::response::end_response;
118: pop @Apache::lonxml::namespace;
119: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.85 albertel 120: undef(%Apache::response::foilnames);
1.83 albertel 121: return $result;
1.1 albertel 122: }
123:
1.43 albertel 124: %Apache::response::foilgroup=();
1.1 albertel 125: sub start_foilgroup {
1.83 albertel 126: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
127: my $result;
128: %Apache::response::foilgroup=();
129: $Apache::radiobuttonresponse::conceptgroup=0;
1.89 albertel 130: &Apache::response::pushrandomnumber();
1.83 albertel 131: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
132: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
133: }
134: return $result;
1.5 albertel 135: }
136:
1.15 albertel 137: sub storesurvey {
1.99 albertel 138: if ( !&Apache::response::submitted() ) { return ''; }
1.100 albertel 139: my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 140: &Apache::lonxml::debug("Here I am!:$response:");
141: if ( $response !~ /[0-9]+/) { return ''; }
1.96 albertel 142: my $part = $Apache::inputtags::part;
1.83 albertel 143: my $id = $Apache::inputtags::response['-1'];
144: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
145: my %responsehash;
146: $responsehash{$whichfoils[$response]}=$response;
1.96 albertel 147: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
148: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
149: $responsestr;
150: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
151: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
152: &Apache::response::handle_previous(\%previous,$ad);
1.83 albertel 153: &Apache::lonxml::debug("submitted a $response<br />\n");
154: return '';
1.15 albertel 155: }
156:
1.120 foxr 157:
1.32 albertel 158: sub grade_response {
1.123 albertel 159: my ($answer, $whichfoils, $bubbles_per_line)=@_;
160:
1.99 albertel 161: if ( !&Apache::response::submitted() ) { return; }
1.83 albertel 162: my $response;
1.118 foxr 163:
1.100 albertel 164: if ($env{'form.submitted'} eq 'scantron') {
1.121 foxr 165: $response = &Apache::response::getresponse(1,undef,
1.123 albertel 166: &bubble_line_count(scalar(@{ $whichfoils}),
1.121 foxr 167: $bubbles_per_line),
168: $bubbles_per_line);
1.116 foxr 169:
1.83 albertel 170: } else {
1.100 albertel 171: $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 172: }
1.120 foxr 173:
1.118 foxr 174:
1.83 albertel 175: if ( $response !~ /[0-9]+/) { return; }
176: my $part=$Apache::inputtags::part;
177: my $id = $Apache::inputtags::response['-1'];
178: my %responsehash;
1.123 albertel 179: $responsehash{$whichfoils->[$response]}=$response;
1.83 albertel 180: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
181: my %previous=&Apache::response::check_for_previous($responsestr,
182: $part,$id);
183: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
184: $responsestr;
185: &Apache::lonxml::debug("submitted a $response<br />\n");
186: my $ad;
187: if ($response == $answer) {
188: $ad='EXACT_ANS';
189: } else {
190: $ad='INCORRECT';
191: }
192: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
193: &Apache::response::handle_previous(\%previous,$ad);
1.32 albertel 194: }
195:
1.1 albertel 196: sub end_foilgroup {
1.83 albertel 197: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 198:
1.83 albertel 199: my $result;
1.121 foxr 200: my $bubble_lines;
201: my $bubbles_per_line;
202: my $answer_count;
1.129 ! foxr 203: my $id = $Apache::inputtags::response['-1'];
! 204: my $part = $Apache::inputtags::part;
1.121 foxr 205: $bubbles_per_line =
206: &Apache::response::get_response_param($Apache::inputtags::part."_$id",
207: 'numbubbles',
208: $default_bubbles_per_line);
209:
210:
1.83 albertel 211: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
212: $target eq 'tex' || $target eq 'analyze') {
213: my $style = $Apache::lonhomework::type;
1.93 albertel 214: my $direction = &Apache::lonxml::get_param('direction',$parstack,
215: $safeeval,'-2');
1.83 albertel 216: if ( $style eq 'survey' && $target ne 'analyze') {
217: if ($target eq 'web' || $target eq 'tex') {
1.110 foxr 218: $result=&displayallfoils($direction, $target);
1.83 albertel 219: } elsif ( $target eq 'answer' ) {
220: $result=&displayallanswers();
221: } elsif ( $target eq 'grade' ) {
222: $result=&storesurvey();
223: }
1.121 foxr 224: $answer_count = scalar(@{$Apache::response::foilgroup{'names'}});
225:
1.83 albertel 226: } else {
1.121 foxr 227:
1.83 albertel 228: my $name;
229: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
230: '-2');
231: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
232: $safeeval,'-2');
1.123 albertel 233: my ($answer, @shown) = &whichfoils($max, $randomize);
1.121 foxr 234: $answer_count = scalar(@shown);
235:
1.83 albertel 236: if ($target eq 'web' || $target eq 'tex') {
1.121 foxr 237: $result=&displayfoils($target,
1.123 albertel 238: $answer, \@shown,
1.121 foxr 239: $direction,
240: $bubbles_per_line);
1.83 albertel 241: } elsif ($target eq 'answer' ) {
1.124 albertel 242: $result=&displayanswers($answer, \@shown, $bubbles_per_line);
1.83 albertel 243: } elsif ( $target eq 'grade') {
1.123 albertel 244: &grade_response($answer, \@shown, $bubbles_per_line);
1.83 albertel 245: } elsif ( $target eq 'analyze') {
1.126 foxr 246: my $bubble_lines = &bubble_line_count($answer_count,
247: $bubbles_per_line);
1.83 albertel 248: &Apache::response::analyze_store_foilgroup(\@shown,
249: ['text','value','location']);
1.129 ! foxr 250: my $part_id="$part.$id";
1.83 albertel 251: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
252: ('true','false'));
1.126 foxr 253: push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} },
254: $bubble_lines);
1.83 albertel 255: }
1.81 albertel 256: }
1.111 albertel 257: $Apache::lonxml::post_evaluate=0;
1.83 albertel 258: }
1.114 albertel 259: if ($target eq 'web') {
260: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
261: [\%Apache::response::foilgroup]);
262: }
1.128 foxr 263: &Apache::response::poprandomnumber();
1.121 foxr 264: $bubble_lines = &bubble_line_count($answer_count, $bubbles_per_line);
1.128 foxr 265: &Apache::lonxml::increment_counter($bubble_lines,
1.129 ! foxr 266: "$part.$id");
1.128 foxr 267: if ($target eq 'analyze') {
268: &Apache::lonhomework::set_bubble_lines();
269: }
1.83 albertel 270: return $result;
1.6 albertel 271: }
272:
273: sub getfoilcounts {
1.83 albertel 274: my @names;
275: my $truecnt=0;
276: my $falsecnt=0;
277: my $name;
278: if ( $Apache::response::foilgroup{'names'} ) {
279: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 280: }
1.83 albertel 281: foreach $name (@names) {
282: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
283: $truecnt++;
284: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
285: $falsecnt++;
286: }
287: }
288: return ($truecnt,$falsecnt);
1.5 albertel 289: }
290:
1.114 albertel 291: sub format_prior_answer {
292: my ($mode,$answer,$other_data) = @_;
293: my $foil_data = $other_data->[0];
294: my %response = &Apache::lonnet::str2hash($answer);
295: my ($name) = keys(%response);
296: return '<span class="LC_prior_radiobutton">'.
297: $foil_data->{$name.'.text'}.'</span>';
298:
1.112 albertel 299: }
300:
1.15 albertel 301: sub displayallfoils {
1.110 foxr 302: my ($direction, $target)=@_;
1.83 albertel 303: my $result;
304: &Apache::lonxml::debug("survey style display");
1.106 albertel 305: my @names;
306: if ( $Apache::response::foilgroup{'names'} ) {
307: @names= @{ $Apache::response::foilgroup{'names'} };
308: }
1.120 foxr 309:
1.83 albertel 310: my $temp=0;
1.110 foxr 311: my $i =0;
1.83 albertel 312: my $id=$Apache::inputtags::response['-1'];
313: my $part=$Apache::inputtags::part;
314: my $lastresponse=
315: $Apache::lonhomework::history{"resource.$part.$id.submission"};
1.93 albertel 316: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 317: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
318: if (&Apache::response::show_answer() ) {
319: foreach my $name (@names) {
320: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.110 foxr 321: if (($direction eq 'horizontal') && ($target ne 'tex')) {
1.93 albertel 322: $result.="<td>";
323: } else {
1.110 foxr 324: if ($target eq 'tex') {
325: $result .= '\item \vskip -2mm ';
326: } else {
327: $result.="<br />";
328: }
1.93 albertel 329: }
1.84 albertel 330: if (defined($lastresponse{$name})) {
1.110 foxr 331: if ($target eq 'tex') {
332: $result .= '}';
333: } else {
334: $result.='<b>';
335: }
1.83 albertel 336: }
337: $result .= $Apache::response::foilgroup{$name.'.text'};
1.110 foxr 338: if (defined($lastresponse{$name}) && ($target ne 'tex')) {
1.83 albertel 339: $result.='</b>';
340: }
1.110 foxr 341: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
1.83 albertel 342: }
1.45 albertel 343: }
1.83 albertel 344: } else {
345: foreach my $name (@names) {
346: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 347: if ($direction eq 'horizontal') {
348: $result.="<td>";
349: } else {
1.110 foxr 350: if ($target eq 'tex') {
351: $result .= '\item \vskip -2mm ';
352: } else {
353: $result.="<br />";
354: }
355: }
356: if ($target eq 'tex') {
357: $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
358: $i++;
359: } else {
360: $result .= '<label>';
1.113 albertel 361: $result.="<input
362: onchange=\"javascript:setSubmittedPart('$part');\"
363: type=\"radio\"
364: name=\"HWVAL_$Apache::inputtags::response['-1']\"
365: value=\"$temp\" ";
1.110 foxr 366: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
367: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
368: '</label>';
1.93 albertel 369: }
1.83 albertel 370: $temp++;
1.110 foxr 371: if ($target ne 'tex') {
372: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
373: } else {
374: $result.='\vskip 0 mm ';
375: }
1.83 albertel 376: }
1.45 albertel 377: }
378: }
1.120 foxr 379:
1.110 foxr 380: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
1.83 albertel 381: return $result;
1.15 albertel 382: }
383:
1.122 albertel 384: =pod
385:
386: =item &whichfoils($max,$randomize)
387:
388: Randomizes the list of foils.
389: Respects
390: - each foils desire to be randomized
391: - the existance of Concept groups of foils (select 1 foil from each)
392: - and selects a single correct statement from all possilble true statments
393: - and limits it to a toal of $max foils
394:
1.123 albertel 395: WARNING: this routine uses the random number generator, it should only
396: be called once per target, otherwise it can cause randomness changes in
397: homework problems.
398:
1.122 albertel 399: Arguments
400: $max - maximum number of foils to select (including the true one)
401: (so a max of 5 is: 1 true, 4 false)
402:
403: $randomize - whether to randomize the listing of foils, by default
404: will randomize, only if randomize is 'no' will it not
405:
406: Returns
407: $answer - location in the array of the correct answer
408: @foils - array of foil names in to display order
409:
410: =cut
411:
1.28 albertel 412: sub whichfoils {
1.83 albertel 413: my ($max,$randomize)=@_;
1.28 albertel 414:
1.83 albertel 415: my @truelist;
416: my @falselist;
417: my @whichfalse =();
418: my ($truecnt,$falsecnt) = &getfoilcounts();
419: my $count=0;
420: # we will add in 1 of the true statements
1.104 albertel 421: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
1.83 albertel 422: my $answer=int(&Math::Random::random_uniform() * ($count));
423: &Apache::lonxml::debug("Count is $count, $answer is $answer");
424: my @names;
425: if ( $Apache::response::foilgroup{'names'} ) {
426: @names= @{ $Apache::response::foilgroup{'names'} };
427: }
428: if (&Apache::response::showallfoils()) {
429: @whichfalse=@names;
430: } elsif ($randomize eq 'no') {
431: &Apache::lonxml::debug("No randomization");
432: my $havetrue=0;
433: foreach my $name (@names) {
434: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
435: if (!$havetrue ) {
436: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
437: }
438: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
439: push (@whichfalse,$name);
440: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
441: } else {
1.87 albertel 442: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 443: }
444: }
1.97 albertel 445: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
446: &Apache::lonxml::error("There are no true statements available.<br />");
447: }
1.83 albertel 448: } else {
449: my $current=0;
450: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
451: my (%top,%bottom);
452: #first find out where everyone wants to be
453: foreach my $name (@names) {
454: $current++;
455: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
456: push (@truelist,$name);
457: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
458: $top{$name}=$current;
459: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
460: $bottom{$name}=$current;
461: }
462: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
463: push (@falselist,$name);
464: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
465: $top{$name}=$current;
466: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
467: $bottom{$name}=$current;
468: }
469: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
470: } else {
1.87 albertel 471: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 472: }
473: }
474: #pick a true statement
475: my $notrue=0;
476: if (scalar(@truelist) == 0) { $notrue=1; }
477: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
478: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
479: my (@toplist, @bottomlist);
480: my $topcount=0;
481: my $bottomcount=0;
482: # assign everyone to either toplist/bottomlist or whichfalse
483: # which false is randomized, toplist bottomlist are in order
484: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
485: &Apache::lonxml::debug("Have $#whichfalse max is $max");
486: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
487: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
488: $afalse=splice(@falselist,$afalse,1);
489: &Apache::lonxml::debug("Picked $afalse");
490: &Apache::lonhomework::showhash(('names'=>\@names));
491: &Apache::lonhomework::showhash(%top);
492: if ($top{$afalse}) {
493: $toplist[$top{$afalse}]=$afalse;
494: $topcount++;
495: } elsif ($bottom{$afalse}) {
496: $bottomlist[$bottom{$afalse}]=$afalse;
497: $bottomcount++;
498: } else {
499: push (@whichfalse,$afalse);
500: }
501: }
502: &Apache::lonxml::debug("Answer wants $answer");
503: my $truename=$truelist[$whichtrue];
504: my $dosplice=1;
505: if ($notrue && $Apache::lonhomework::type ne 'survey') {
506: $dosplice=0;
507: &Apache::lonxml::error("There are no true statements available.<br />");
508: }
509: #insert the true statement, keeping track of where it wants to be
510: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
511: $toplist[$top{$truename}]=$truename;
512: $answer=-1;
513: foreach my $top (reverse(@toplist)) {
514: if ($top) { $answer++;}
515: if ($top eq $truename) { last; }
1.49 albertel 516: }
1.83 albertel 517: $dosplice=0;
518: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
519: $bottomlist[$bottom{$truename}]=$truename;
520: $answer=-1;
521: foreach my $bot (@bottomlist) {
522: if ($bot) { $answer++;}
523: if ($bot eq $truename) { last; }
1.49 albertel 524: }
1.83 albertel 525: $answer+=$topcount+$#whichfalse+1;
526: $dosplice=0;
1.49 albertel 527: } else {
1.83 albertel 528: if ($topcount>0 || $bottomcount>0) {
529: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
530: + $topcount;
531: }
532: }
533: &Apache::lonxml::debug("Answer now wants $answer");
534: #add the top items to the top, bottom items to the bottom
535: for (my $i=0;$i<=$#toplist;$i++) {
536: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 537: }
1.83 albertel 538: for (my $i=0;$i<=$#bottomlist;$i++) {
539: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 540: }
1.83 albertel 541: #if the true statement is randomized insert it into the list
542: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 543: }
1.83 albertel 544: &Apache::lonxml::debug("Answer is $answer");
545: return ($answer,@whichfalse);
1.28 albertel 546: }
547:
548: sub displayfoils {
1.123 albertel 549: my ($target,$answer,$whichfoils,$direction, $bubbles_per_line)=@_;
1.83 albertel 550: my $result;
1.28 albertel 551:
1.22 albertel 552: my $part=$Apache::inputtags::part;
1.83 albertel 553: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
554: if ( ($target ne 'tex') &&
555: &Apache::response::show_answer() ) {
1.90 albertel 556: if ($direction eq 'horizontal') {
557: if ($target ne 'tex') {
558: $result.='<table><tr>';
559: }
560: }
1.123 albertel 561: foreach my $name (@{ $whichfoils }) {
1.90 albertel 562: if ($direction eq 'horizontal') {
563: if ($target ne 'tex') { $result.='<td>'; }
564: }
1.83 albertel 565: if ($target ne 'tex') {
566: $result.="<br />";
567: } else {
568: $result.='\item \vskip -2 mm ';
569: }
570: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
571: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
572: } else {
573: $result.='Incorrect:';
574: }
1.94 matthew 575: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 576: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 577: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 578: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
579: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
580: }
1.90 albertel 581: if ($direction eq 'horizontal') {
582: if ($target ne 'tex') { $result.='</td>'; }
583: }
584: }
585: if ($direction eq 'horizontal') {
586: if ($target ne 'tex') {
587: $result.='</tr></table>';
588: }
1.83 albertel 589: }
590: } else {
591: my @alphabet = ('A'..'Z');
592: my $i = 0;
1.116 foxr 593: my $bubble_number = 0;
1.124 albertel 594: my $line = 0;
1.83 albertel 595: my $temp=0;
596: my $id=$Apache::inputtags::response['-1'];
597: my $part=$Apache::inputtags::part;
598: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
599: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 600: if ($target ne 'tex' && $direction eq 'horizontal') {
601: $result.="<table><tr>";
602: }
1.123 albertel 603: foreach my $name (@{ $whichfoils }) {
1.83 albertel 604: if ($target ne 'tex') {
1.90 albertel 605: if ($direction eq 'horizontal') {
606: $result.="<td>";
607: } else {
608: $result.="<br />";
609: }
610: }
611: if ($target ne 'tex') {
1.94 matthew 612: $result.= '<label>';
1.113 albertel 613: $result.=
614: "<input type=\"radio\"
615: onchange=\"javascript:setSubmittedPart('$part');\"
616: name=\"HWVAL_$Apache::inputtags::response['-1']\"
617: value=\"$temp\" ";
1.83 albertel 618: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.108 albertel 619: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 620: } else {
621: if ($Apache::lonhomework::type eq 'exam') {
1.116 foxr 622: if($bubble_number >= $bubbles_per_line) {
1.124 albertel 623: $line++;
1.116 foxr 624: $i = 0;
625: $bubble_number = 0;
1.124 albertel 626: $result.='\item[\textbf{'.($Apache::lonxml::counter+$line).'}.]';
1.116 foxr 627: }
1.124 albertel 628: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
629: $i++;
630: $bubble_number++;
1.83 albertel 631: } else {
632: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
633: }
634: }
1.90 albertel 635: if ($target ne 'tex' && $direction eq 'horizontal') {
636: $result.="</td>";
637: }
1.83 albertel 638: $temp++;
639: }
1.90 albertel 640: if ($target ne 'tex' && $direction eq 'horizontal') {
641: $result.="</tr></table>";
642: }
1.83 albertel 643: }
1.92 albertel 644: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 645: return $result;
1.81 albertel 646: }
647:
648: sub displayallanswers {
1.106 albertel 649: my @names;
650: if ( $Apache::response::foilgroup{'names'} ) {
651: @names= @{ $Apache::response::foilgroup{'names'} };
652: }
1.81 albertel 653: my $result=&Apache::response::answer_header('radiobuttonresponse');
654: foreach my $name (@names) {
655: $result.=&Apache::response::answer_part('radiobuttonresponse',
656: $Apache::response::foilgroup{$name.'.value'});
657: }
658: $result.=&Apache::response::answer_footer('radiobuttonresponse');
659: return $result;
1.14 albertel 660: }
661:
1.28 albertel 662: sub displayanswers {
1.124 albertel 663: my ($answer, $whichopt, $bubbles_per_line)=@_;
664: my $result;
665:
1.105 albertel 666: if ($Apache::lonhomework::type eq 'exam') {
1.124 albertel 667: my $line = int($answer/$bubbles_per_line);
668: my $correct = ('A'..'Z')[$answer%$bubbles_per_line];
669: $result .= &Apache::response::answer_header('radiobuttonresponse',
670: $line);
671: $result .= &Apache::response::answer_part('radiobuttonresponse',
672: $correct);
673: } else {
674: $result .= &Apache::response::answer_header('radiobuttonresponse');
1.105 albertel 675: }
1.123 albertel 676: foreach my $name (@{ $whichopt }) {
1.83 albertel 677: $result.=&Apache::response::answer_part('radiobuttonresponse',
1.105 albertel 678: $Apache::response::foilgroup{$name.'.value'});
679: }
1.83 albertel 680: $result.=&Apache::response::answer_footer('radiobuttonresponse');
681: return $result;
1.28 albertel 682: }
683:
1.14 albertel 684: sub start_conceptgroup {
1.83 albertel 685: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
686: $Apache::radiobuttonresponse::conceptgroup=1;
687: %Apache::response::conceptgroup=();
688: my $result;
689: if ($target eq 'edit') {
690: $result.=&Apache::edit::tag_start($target,$token);
691: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
692: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
693: } elsif ($target eq 'modified') {
694: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
695: $safeeval,'concept');
696: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
697: }
698: return $result;
1.14 albertel 699: }
700:
701: sub end_conceptgroup {
1.83 albertel 702: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
703: $Apache::radiobuttonresponse::conceptgroup=0;
704: my $result;
705: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
706: $target eq 'tex' || $target eq 'analyze') {
707: &Apache::response::pick_foil_for_concept($target,
708: ['value','text','location'],
709: \%Apache::hint::radiobutton,
710: $parstack,$safeeval);
711: } elsif ($target eq 'edit') {
712: $result=&Apache::edit::end_table();
713: }
714: return $result;
1.26 albertel 715: }
716:
717: sub insert_conceptgroup {
1.83 albertel 718: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
719: return $result;
1.1 albertel 720: }
721:
722: sub start_foil {
1.83 albertel 723: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
724: my $result='';
725: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
726: &Apache::lonxml::startredirection;
1.95 albertel 727: if ($target eq 'analyze') {
728: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
729: }
1.83 albertel 730: } elsif ($target eq 'edit') {
731: $result=&Apache::edit::tag_start($target,$token);
732: $result.=&Apache::edit::text_arg('Name:','name',$token);
733: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
734: ['unused','true','false'],
735: $token);
736: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
737: $safeeval,'-3');
738: if ($randomize ne 'no') {
739: $result.=&Apache::edit::select_arg('Location:','location',
740: ['random','top','bottom'],$token);
741: }
742: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
743: } elsif ($target eq 'modified') {
744: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
745: $safeeval,'value','name',
746: 'location');
747: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
748: }
749: return $result;
1.1 albertel 750: }
751:
752: sub end_foil {
1.83 albertel 753: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
754: my $text='';
755: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
756: $text=&Apache::lonxml::endredirection;
757: }
1.85 albertel 758: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
759: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 760: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
761: if ($value ne 'unused') {
762: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.102 albertel 763: if ($name eq "") {
1.101 albertel 764: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
1.98 albertel 765: $name=$Apache::lonxml::curdepth;
766: }
1.85 albertel 767: if (defined($Apache::response::foilnames{$name})) {
768: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
769: }
1.86 albertel 770: $Apache::response::foilnames{$name}++;
1.85 albertel 771: my $location =&Apache::lonxml::get_param('location',$parstack,
772: $safeeval);
1.83 albertel 773: if ( $Apache::radiobuttonresponse::conceptgroup
774: && !&Apache::response::showallfoils() ) {
775: push @{ $Apache::response::conceptgroup{'names'} }, $name;
776: $Apache::response::conceptgroup{"$name.value"} = $value;
777: $Apache::response::conceptgroup{"$name.text"} = $text;
778: $Apache::response::conceptgroup{"$name.location"} = $location;
779: } else {
780: push @{ $Apache::response::foilgroup{'names'} }, $name;
781: $Apache::response::foilgroup{"$name.value"} = $value;
782: $Apache::response::foilgroup{"$name.text"} = $text;
783: $Apache::response::foilgroup{"$name.location"} = $location;
784: }
785: }
1.18 albertel 786: }
1.83 albertel 787: return '';
1.1 albertel 788: }
789:
1.27 albertel 790: sub insert_foil {
1.83 albertel 791: return '
1.27 albertel 792: <foil name="" value="unused">
793: <startouttext />
794: <endouttext />
795: </foil>';
796: }
1.1 albertel 797: 1;
798: __END__
799:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to radiobuttonresponse.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework