Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.110
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.110 ! foxr 4: # $Id: radiobuttonresponse.pm,v 1.109 2006/12/08 17:38:35 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;
1.1 albertel 34:
1.36 harris41 35: BEGIN {
1.83 albertel 36: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1 albertel 37: }
38:
39: sub start_radiobuttonresponse {
1.83 albertel 40: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
41: my $result;
42: #when in a radiobutton response use these
43: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
44: push (@Apache::lonxml::namespace,'radiobuttonresponse');
45: my $id = &Apache::response::start_response($parstack,$safeeval);
46: %Apache::hint::radiobutton=();
1.85 albertel 47: undef(%Apache::response::foilnames);
1.83 albertel 48: if ($target eq 'meta') {
49: $result=&Apache::response::meta_package_write('radiobuttonresponse');
50: } elsif ($target eq 'edit' ) {
51: $result.=&Apache::edit::start_table($token).
52: '<tr><td>'.&Apache::lonxml::description($token).
53: &Apache::loncommon::help_open_topic('Radio_Response_Problems').
54: "</td><td>Delete:".
55: &Apache::edit::deletelist($target,$token)
56: ."</td><td> ".&Apache::edit::end_row()
57: .&Apache::edit::start_spanning_row();
58: $result.=
59: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
60: $token,'4').
61: &Apache::edit::select_arg('Randomize Foil Order','randomize',
62: ['yes','no'],$token).
1.103 albertel 63: &Apache::edit::select_arg('Display Direction','direction',
64: ['vertical','horizontal'],$token).
1.83 albertel 65: &Apache::edit::end_row().
66: &Apache::edit::start_spanning_row()."\n";
67: } elsif ($target eq 'modified') {
68: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
69: $safeeval,'max',
1.103 albertel 70: 'randomize','direction');
1.83 albertel 71: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
72: } elsif ($target eq 'tex') {
73: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
74: undef,0);
75: if ($type eq '1') {
76: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
77: } elsif ($type eq 'A') {
78: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
79: } elsif ($type eq 'a') {
80: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
81: } elsif ($type eq 'i') {
82: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
1.88 albertel 83: } else {
84: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
1.83 albertel 85: }
86: $result .= '\begin{enumerate}';
87: } elsif ($target eq 'analyze') {
88: my $part_id="$Apache::inputtags::part.$id";
89: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
90: }
91: return $result;
1.1 albertel 92: }
93:
94: sub end_radiobuttonresponse {
1.83 albertel 95: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
96: my $result;
97: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
98: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
99: &Apache::response::end_response;
100: pop @Apache::lonxml::namespace;
101: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.85 albertel 102: undef(%Apache::response::foilnames);
1.83 albertel 103: return $result;
1.1 albertel 104: }
105:
1.43 albertel 106: %Apache::response::foilgroup=();
1.1 albertel 107: sub start_foilgroup {
1.83 albertel 108: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
109: my $result;
110: %Apache::response::foilgroup=();
111: $Apache::radiobuttonresponse::conceptgroup=0;
1.89 albertel 112: &Apache::response::pushrandomnumber();
1.83 albertel 113: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
114: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
115: }
116: return $result;
1.5 albertel 117: }
118:
1.15 albertel 119: sub storesurvey {
1.99 albertel 120: if ( !&Apache::response::submitted() ) { return ''; }
1.100 albertel 121: my $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 122: &Apache::lonxml::debug("Here I am!:$response:");
123: if ( $response !~ /[0-9]+/) { return ''; }
1.96 albertel 124: my $part = $Apache::inputtags::part;
1.83 albertel 125: my $id = $Apache::inputtags::response['-1'];
126: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
127: my %responsehash;
128: $responsehash{$whichfoils[$response]}=$response;
1.96 albertel 129: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
130: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
131: $responsestr;
132: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
133: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
134: &Apache::response::handle_previous(\%previous,$ad);
1.83 albertel 135: &Apache::lonxml::debug("submitted a $response<br />\n");
136: return '';
1.15 albertel 137: }
138:
1.32 albertel 139: sub grade_response {
1.83 albertel 140: my ($max,$randomize)=@_;
141: #keep the random numbers the same must always call this
142: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.99 albertel 143: if ( !&Apache::response::submitted() ) { return; }
1.83 albertel 144: my $response;
1.100 albertel 145: if ($env{'form.submitted'} eq 'scantron') {
1.83 albertel 146: $response=&Apache::response::getresponse();
147: } else {
1.100 albertel 148: $response = $env{'form.HWVAL_'.$Apache::inputtags::response['-1']};
1.83 albertel 149: }
150: if ( $response !~ /[0-9]+/) { return; }
151: my $part=$Apache::inputtags::part;
152: my $id = $Apache::inputtags::response['-1'];
153: my %responsehash;
154: $responsehash{$whichfoils[$response]}=$response;
155: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
156: my %previous=&Apache::response::check_for_previous($responsestr,
157: $part,$id);
158: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
159: $responsestr;
160: &Apache::lonxml::debug("submitted a $response<br />\n");
161: my $ad;
162: if ($response == $answer) {
163: $ad='EXACT_ANS';
164: } else {
165: $ad='INCORRECT';
166: }
167: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
168: &Apache::response::handle_previous(\%previous,$ad);
1.32 albertel 169: }
170:
1.1 albertel 171: sub end_foilgroup {
1.83 albertel 172: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 173:
1.83 albertel 174: my $result;
175: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
176: $target eq 'tex' || $target eq 'analyze') {
177: my $style = $Apache::lonhomework::type;
1.93 albertel 178: my $direction = &Apache::lonxml::get_param('direction',$parstack,
179: $safeeval,'-2');
1.83 albertel 180: if ( $style eq 'survey' && $target ne 'analyze') {
181: if ($target eq 'web' || $target eq 'tex') {
1.110 ! foxr 182: $result=&displayallfoils($direction, $target);
1.83 albertel 183: } elsif ( $target eq 'answer' ) {
184: $result=&displayallanswers();
185: } elsif ( $target eq 'grade' ) {
186: $result=&storesurvey();
187: }
188: } else {
189: my $name;
190: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
191: '-2');
192: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
193: $safeeval,'-2');
194: if ($target eq 'web' || $target eq 'tex') {
1.90 albertel 195: $result=&displayfoils($target,$max,$randomize,$direction);
1.83 albertel 196: } elsif ($target eq 'answer' ) {
197: $result=&displayanswers($max,$randomize);
198: } elsif ( $target eq 'grade') {
199: &grade_response($max,$randomize);
200: } elsif ( $target eq 'analyze') {
201: my @shown = &whichfoils($max,$randomize);
202: &Apache::response::analyze_store_foilgroup(\@shown,
203: ['text','value','location']);
204: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
205: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
206: ('true','false'));
207: }
1.81 albertel 208: }
1.83 albertel 209: }
1.89 albertel 210: &Apache::response::poprandomnumber();
1.83 albertel 211: &Apache::lonxml::increment_counter();
212: return $result;
1.6 albertel 213: }
214:
215: sub getfoilcounts {
1.83 albertel 216: my @names;
217: my $truecnt=0;
218: my $falsecnt=0;
219: my $name;
220: if ( $Apache::response::foilgroup{'names'} ) {
221: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 222: }
1.83 albertel 223: foreach $name (@names) {
224: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
225: $truecnt++;
226: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
227: $falsecnt++;
228: }
229: }
230: return ($truecnt,$falsecnt);
1.5 albertel 231: }
232:
1.15 albertel 233: sub displayallfoils {
1.110 ! foxr 234: my ($direction, $target)=@_;
1.83 albertel 235: my $result;
236: &Apache::lonxml::debug("survey style display");
1.106 albertel 237: my @names;
238: if ( $Apache::response::foilgroup{'names'} ) {
239: @names= @{ $Apache::response::foilgroup{'names'} };
240: }
1.83 albertel 241: my $temp=0;
1.110 ! foxr 242: my $i =0;
1.83 albertel 243: my $id=$Apache::inputtags::response['-1'];
244: my $part=$Apache::inputtags::part;
245: my $lastresponse=
246: $Apache::lonhomework::history{"resource.$part.$id.submission"};
1.93 albertel 247: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 248: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
249: if (&Apache::response::show_answer() ) {
250: foreach my $name (@names) {
251: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.110 ! foxr 252: if (($direction eq 'horizontal') && ($target ne 'tex')) {
1.93 albertel 253: $result.="<td>";
254: } else {
1.110 ! foxr 255: if ($target eq 'tex') {
! 256: $result .= '\item \vskip -2mm ';
! 257: } else {
! 258: $result.="<br />";
! 259: }
1.93 albertel 260: }
1.84 albertel 261: if (defined($lastresponse{$name})) {
1.110 ! foxr 262: if ($target eq 'tex') {
! 263: $result .= '}';
! 264: } else {
! 265: $result.='<b>';
! 266: }
1.83 albertel 267: }
268: $result .= $Apache::response::foilgroup{$name.'.text'};
1.110 ! foxr 269: if (defined($lastresponse{$name}) && ($target ne 'tex')) {
1.83 albertel 270: $result.='</b>';
271: }
1.110 ! foxr 272: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
1.83 albertel 273: }
1.45 albertel 274: }
1.83 albertel 275: } else {
276: foreach my $name (@names) {
277: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 278: if ($direction eq 'horizontal') {
279: $result.="<td>";
280: } else {
1.110 ! foxr 281: if ($target eq 'tex') {
! 282: $result .= '\item \vskip -2mm ';
! 283: } else {
! 284: $result.="<br />";
! 285: }
! 286: }
! 287: if ($target eq 'tex') {
! 288: $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
! 289: $i++;
! 290: } else {
! 291: $result .= '<label>';
! 292: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
! 293: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
! 294: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
! 295: '</label>';
1.93 albertel 296: }
1.83 albertel 297: $temp++;
1.110 ! foxr 298: if ($target ne 'tex') {
! 299: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
! 300: } else {
! 301: $result.='\vskip 0 mm ';
! 302: }
1.83 albertel 303: }
1.45 albertel 304: }
305: }
1.110 ! foxr 306: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
1.83 albertel 307: return $result;
1.15 albertel 308: }
309:
1.28 albertel 310: sub whichfoils {
1.83 albertel 311: my ($max,$randomize)=@_;
1.28 albertel 312:
1.83 albertel 313: my @truelist;
314: my @falselist;
315: my @whichfalse =();
316: my ($truecnt,$falsecnt) = &getfoilcounts();
317: my $count=0;
318: # we will add in 1 of the true statements
1.104 albertel 319: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
1.83 albertel 320: my $answer=int(&Math::Random::random_uniform() * ($count));
321: &Apache::lonxml::debug("Count is $count, $answer is $answer");
322: my @names;
323: if ( $Apache::response::foilgroup{'names'} ) {
324: @names= @{ $Apache::response::foilgroup{'names'} };
325: }
326: if (&Apache::response::showallfoils()) {
327: @whichfalse=@names;
328: } elsif ($randomize eq 'no') {
329: &Apache::lonxml::debug("No randomization");
330: my $havetrue=0;
331: foreach my $name (@names) {
332: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
333: if (!$havetrue ) {
334: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
335: }
336: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
337: push (@whichfalse,$name);
338: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
339: } else {
1.87 albertel 340: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 341: }
342: }
1.97 albertel 343: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
344: &Apache::lonxml::error("There are no true statements available.<br />");
345: }
1.83 albertel 346: } else {
347: my $current=0;
348: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
349: my (%top,%bottom);
350: #first find out where everyone wants to be
351: foreach my $name (@names) {
352: $current++;
353: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
354: push (@truelist,$name);
355: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
356: $top{$name}=$current;
357: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
358: $bottom{$name}=$current;
359: }
360: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
361: push (@falselist,$name);
362: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
363: $top{$name}=$current;
364: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
365: $bottom{$name}=$current;
366: }
367: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
368: } else {
1.87 albertel 369: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 370: }
371: }
372: #pick a true statement
373: my $notrue=0;
374: if (scalar(@truelist) == 0) { $notrue=1; }
375: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
376: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
377: my (@toplist, @bottomlist);
378: my $topcount=0;
379: my $bottomcount=0;
380: # assign everyone to either toplist/bottomlist or whichfalse
381: # which false is randomized, toplist bottomlist are in order
382: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
383: &Apache::lonxml::debug("Have $#whichfalse max is $max");
384: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
385: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
386: $afalse=splice(@falselist,$afalse,1);
387: &Apache::lonxml::debug("Picked $afalse");
388: &Apache::lonhomework::showhash(('names'=>\@names));
389: &Apache::lonhomework::showhash(%top);
390: if ($top{$afalse}) {
391: $toplist[$top{$afalse}]=$afalse;
392: $topcount++;
393: } elsif ($bottom{$afalse}) {
394: $bottomlist[$bottom{$afalse}]=$afalse;
395: $bottomcount++;
396: } else {
397: push (@whichfalse,$afalse);
398: }
399: }
400: &Apache::lonxml::debug("Answer wants $answer");
401: my $truename=$truelist[$whichtrue];
402: my $dosplice=1;
403: if ($notrue && $Apache::lonhomework::type ne 'survey') {
404: $dosplice=0;
405: &Apache::lonxml::error("There are no true statements available.<br />");
406: }
407: #insert the true statement, keeping track of where it wants to be
408: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
409: $toplist[$top{$truename}]=$truename;
410: $answer=-1;
411: foreach my $top (reverse(@toplist)) {
412: if ($top) { $answer++;}
413: if ($top eq $truename) { last; }
1.49 albertel 414: }
1.83 albertel 415: $dosplice=0;
416: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
417: $bottomlist[$bottom{$truename}]=$truename;
418: $answer=-1;
419: foreach my $bot (@bottomlist) {
420: if ($bot) { $answer++;}
421: if ($bot eq $truename) { last; }
1.49 albertel 422: }
1.83 albertel 423: $answer+=$topcount+$#whichfalse+1;
424: $dosplice=0;
1.49 albertel 425: } else {
1.83 albertel 426: if ($topcount>0 || $bottomcount>0) {
427: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
428: + $topcount;
429: }
430: }
431: &Apache::lonxml::debug("Answer now wants $answer");
432: #add the top items to the top, bottom items to the bottom
433: for (my $i=0;$i<=$#toplist;$i++) {
434: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 435: }
1.83 albertel 436: for (my $i=0;$i<=$#bottomlist;$i++) {
437: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 438: }
1.83 albertel 439: #if the true statement is randomized insert it into the list
440: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 441: }
1.83 albertel 442: &Apache::lonxml::debug("Answer is $answer");
443: return ($answer,@whichfalse);
1.28 albertel 444: }
445:
446: sub displayfoils {
1.90 albertel 447: my ($target,$max,$randomize,$direction)=@_;
1.83 albertel 448: my $result;
1.28 albertel 449:
1.83 albertel 450: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.22 albertel 451: my $part=$Apache::inputtags::part;
1.83 albertel 452: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
453: if ( ($target ne 'tex') &&
454: &Apache::response::show_answer() ) {
1.90 albertel 455: if ($direction eq 'horizontal') {
456: if ($target ne 'tex') {
457: $result.='<table><tr>';
458: }
459: }
1.83 albertel 460: foreach my $name (@whichfoils) {
1.90 albertel 461: if ($direction eq 'horizontal') {
462: if ($target ne 'tex') { $result.='<td>'; }
463: }
1.83 albertel 464: if ($target ne 'tex') {
465: $result.="<br />";
466: } else {
467: $result.='\item \vskip -2 mm ';
468: }
469: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
470: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
471: } else {
472: $result.='Incorrect:';
473: }
1.94 matthew 474: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 475: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 476: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 477: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
478: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
479: }
1.90 albertel 480: if ($direction eq 'horizontal') {
481: if ($target ne 'tex') { $result.='</td>'; }
482: }
483: }
484: if ($direction eq 'horizontal') {
485: if ($target ne 'tex') {
486: $result.='</tr></table>';
487: }
1.83 albertel 488: }
489: } else {
490: my @alphabet = ('A'..'Z');
491: my $i = 0;
492: my $temp=0;
493: my $id=$Apache::inputtags::response['-1'];
494: my $part=$Apache::inputtags::part;
495: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
496: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 497: if ($target ne 'tex' && $direction eq 'horizontal') {
498: $result.="<table><tr>";
499: }
1.83 albertel 500: foreach my $name (@whichfoils) {
501: if ($target ne 'tex') {
1.90 albertel 502: if ($direction eq 'horizontal') {
503: $result.="<td>";
504: } else {
505: $result.="<br />";
506: }
507: }
508: if ($target ne 'tex') {
1.94 matthew 509: $result.= '<label>';
1.90 albertel 510: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
1.83 albertel 511: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.108 albertel 512: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 513: } else {
514: if ($Apache::lonhomework::type eq 'exam') {
515: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
516: $i++;
517: } else {
518: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
519: }
520: }
1.90 albertel 521: if ($target ne 'tex' && $direction eq 'horizontal') {
522: $result.="</td>";
523: }
1.83 albertel 524: $temp++;
525: }
1.90 albertel 526: if ($target ne 'tex' && $direction eq 'horizontal') {
527: $result.="</tr></table>";
528: }
1.83 albertel 529: }
1.92 albertel 530: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 531: return $result;
1.81 albertel 532: }
533:
534: sub displayallanswers {
1.106 albertel 535: my @names;
536: if ( $Apache::response::foilgroup{'names'} ) {
537: @names= @{ $Apache::response::foilgroup{'names'} };
538: }
1.81 albertel 539:
540: my $result=&Apache::response::answer_header('radiobuttonresponse');
541: foreach my $name (@names) {
542: $result.=&Apache::response::answer_part('radiobuttonresponse',
543: $Apache::response::foilgroup{$name.'.value'});
544: }
545: $result.=&Apache::response::answer_footer('radiobuttonresponse');
546: return $result;
1.14 albertel 547: }
548:
1.28 albertel 549: sub displayanswers {
1.83 albertel 550: my ($max,$randomize)=@_;
551: my ($answer,@whichopt) = &whichfoils($max,$randomize);
552: my $result=&Apache::response::answer_header('radiobuttonresponse');
1.105 albertel 553: if ($Apache::lonhomework::type eq 'exam') {
554: my $correct = ('A'..'Z')[$answer];
555: $result.=&Apache::response::answer_part('radiobuttonresponse',
556: $correct);
557: }
1.83 albertel 558: foreach my $name (@whichopt) {
559: $result.=&Apache::response::answer_part('radiobuttonresponse',
1.105 albertel 560: $Apache::response::foilgroup{$name.'.value'});
561: }
1.83 albertel 562: $result.=&Apache::response::answer_footer('radiobuttonresponse');
563: return $result;
1.28 albertel 564: }
565:
1.14 albertel 566: sub start_conceptgroup {
1.83 albertel 567: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
568: $Apache::radiobuttonresponse::conceptgroup=1;
569: %Apache::response::conceptgroup=();
570: my $result;
571: if ($target eq 'edit') {
572: $result.=&Apache::edit::tag_start($target,$token);
573: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
574: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
575: } elsif ($target eq 'modified') {
576: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
577: $safeeval,'concept');
578: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
579: }
580: return $result;
1.14 albertel 581: }
582:
583: sub end_conceptgroup {
1.83 albertel 584: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
585: $Apache::radiobuttonresponse::conceptgroup=0;
586: my $result;
587: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
588: $target eq 'tex' || $target eq 'analyze') {
589: &Apache::response::pick_foil_for_concept($target,
590: ['value','text','location'],
591: \%Apache::hint::radiobutton,
592: $parstack,$safeeval);
593: } elsif ($target eq 'edit') {
594: $result=&Apache::edit::end_table();
595: }
596: return $result;
1.26 albertel 597: }
598:
599: sub insert_conceptgroup {
1.83 albertel 600: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
601: return $result;
1.1 albertel 602: }
603:
604: sub start_foil {
1.83 albertel 605: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
606: my $result='';
607: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
608: &Apache::lonxml::startredirection;
1.95 albertel 609: if ($target eq 'analyze') {
610: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
611: }
1.83 albertel 612: } elsif ($target eq 'edit') {
613: $result=&Apache::edit::tag_start($target,$token);
614: $result.=&Apache::edit::text_arg('Name:','name',$token);
615: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
616: ['unused','true','false'],
617: $token);
618: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
619: $safeeval,'-3');
620: if ($randomize ne 'no') {
621: $result.=&Apache::edit::select_arg('Location:','location',
622: ['random','top','bottom'],$token);
623: }
624: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
625: } elsif ($target eq 'modified') {
626: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
627: $safeeval,'value','name',
628: 'location');
629: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
630: }
631: return $result;
1.1 albertel 632: }
633:
634: sub end_foil {
1.83 albertel 635: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
636: my $text='';
637: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
638: $text=&Apache::lonxml::endredirection;
639: }
1.85 albertel 640: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
641: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 642: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
643: if ($value ne 'unused') {
644: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.102 albertel 645: if ($name eq "") {
1.101 albertel 646: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
1.98 albertel 647: $name=$Apache::lonxml::curdepth;
648: }
1.85 albertel 649: if (defined($Apache::response::foilnames{$name})) {
650: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
651: }
1.86 albertel 652: $Apache::response::foilnames{$name}++;
1.85 albertel 653: my $location =&Apache::lonxml::get_param('location',$parstack,
654: $safeeval);
1.83 albertel 655: if ( $Apache::radiobuttonresponse::conceptgroup
656: && !&Apache::response::showallfoils() ) {
657: push @{ $Apache::response::conceptgroup{'names'} }, $name;
658: $Apache::response::conceptgroup{"$name.value"} = $value;
659: $Apache::response::conceptgroup{"$name.text"} = $text;
660: $Apache::response::conceptgroup{"$name.location"} = $location;
661: } else {
662: push @{ $Apache::response::foilgroup{'names'} }, $name;
663: $Apache::response::foilgroup{"$name.value"} = $value;
664: $Apache::response::foilgroup{"$name.text"} = $text;
665: $Apache::response::foilgroup{"$name.location"} = $location;
666: }
667: }
1.18 albertel 668: }
1.83 albertel 669: return '';
1.1 albertel 670: }
671:
1.27 albertel 672: sub insert_foil {
1.83 albertel 673: return '
1.27 albertel 674: <foil name="" value="unused">
675: <startouttext />
676: <endouttext />
677: </foil>';
678: }
1.1 albertel 679: 1;
680: __END__
681:
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