Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.112
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.112 ! albertel 4: # $Id: radiobuttonresponse.pm,v 1.111 2007/02/22 01:25:31 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, $target);
1.112 ! albertel 183: if ($target eq 'web') {
! 184: &setup_prior_tries_hash();
! 185: }
1.83 albertel 186: } elsif ( $target eq 'answer' ) {
187: $result=&displayallanswers();
188: } elsif ( $target eq 'grade' ) {
189: $result=&storesurvey();
190: }
191: } else {
192: my $name;
193: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
194: '-2');
195: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
196: $safeeval,'-2');
197: if ($target eq 'web' || $target eq 'tex') {
1.90 albertel 198: $result=&displayfoils($target,$max,$randomize,$direction);
1.112 ! albertel 199: if ($target eq 'web') {
! 200: &setup_prior_tries_hash();
! 201: }
1.83 albertel 202: } elsif ($target eq 'answer' ) {
203: $result=&displayanswers($max,$randomize);
204: } elsif ( $target eq 'grade') {
205: &grade_response($max,$randomize);
206: } elsif ( $target eq 'analyze') {
207: my @shown = &whichfoils($max,$randomize);
208: &Apache::response::analyze_store_foilgroup(\@shown,
209: ['text','value','location']);
210: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
211: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
212: ('true','false'));
213: }
1.81 albertel 214: }
1.111 albertel 215: $Apache::lonxml::post_evaluate=0;
1.83 albertel 216: }
1.89 albertel 217: &Apache::response::poprandomnumber();
1.83 albertel 218: &Apache::lonxml::increment_counter();
219: return $result;
1.6 albertel 220: }
221:
222: sub getfoilcounts {
1.83 albertel 223: my @names;
224: my $truecnt=0;
225: my $falsecnt=0;
226: my $name;
227: if ( $Apache::response::foilgroup{'names'} ) {
228: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 229: }
1.83 albertel 230: foreach $name (@names) {
231: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
232: $truecnt++;
233: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
234: $falsecnt++;
235: }
236: }
237: return ($truecnt,$falsecnt);
1.5 albertel 238: }
239:
1.112 ! albertel 240: sub setup_prior_tries_hash {
! 241: my $part=$Apache::inputtags::part;
! 242: my $id=$Apache::inputtags::response[-1];
! 243: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
! 244: my $key = "$i:resource.$part.$id.submission";
! 245: next if (!exists($Apache::lonhomework::history{"$key"}));
! 246: my %response =
! 247: &Apache::lonnet::str2hash($Apache::lonhomework::history{$key});
! 248: my ($name) = keys(%response);
! 249: $Apache::inputtags::submission_display{$key} =
! 250: $Apache::response::foilgroup{$name.'.text'}
! 251: }
! 252: }
! 253:
1.15 albertel 254: sub displayallfoils {
1.110 foxr 255: my ($direction, $target)=@_;
1.83 albertel 256: my $result;
257: &Apache::lonxml::debug("survey style display");
1.106 albertel 258: my @names;
259: if ( $Apache::response::foilgroup{'names'} ) {
260: @names= @{ $Apache::response::foilgroup{'names'} };
261: }
1.83 albertel 262: my $temp=0;
1.110 foxr 263: my $i =0;
1.83 albertel 264: my $id=$Apache::inputtags::response['-1'];
265: my $part=$Apache::inputtags::part;
266: my $lastresponse=
267: $Apache::lonhomework::history{"resource.$part.$id.submission"};
1.93 albertel 268: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 269: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
270: if (&Apache::response::show_answer() ) {
271: foreach my $name (@names) {
272: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.110 foxr 273: if (($direction eq 'horizontal') && ($target ne 'tex')) {
1.93 albertel 274: $result.="<td>";
275: } else {
1.110 foxr 276: if ($target eq 'tex') {
277: $result .= '\item \vskip -2mm ';
278: } else {
279: $result.="<br />";
280: }
1.93 albertel 281: }
1.84 albertel 282: if (defined($lastresponse{$name})) {
1.110 foxr 283: if ($target eq 'tex') {
284: $result .= '}';
285: } else {
286: $result.='<b>';
287: }
1.83 albertel 288: }
289: $result .= $Apache::response::foilgroup{$name.'.text'};
1.110 foxr 290: if (defined($lastresponse{$name}) && ($target ne 'tex')) {
1.83 albertel 291: $result.='</b>';
292: }
1.110 foxr 293: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
1.83 albertel 294: }
1.45 albertel 295: }
1.83 albertel 296: } else {
297: foreach my $name (@names) {
298: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 299: if ($direction eq 'horizontal') {
300: $result.="<td>";
301: } else {
1.110 foxr 302: if ($target eq 'tex') {
303: $result .= '\item \vskip -2mm ';
304: } else {
305: $result.="<br />";
306: }
307: }
308: if ($target eq 'tex') {
309: $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
310: $i++;
311: } else {
312: $result .= '<label>';
313: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
314: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
315: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
316: '</label>';
1.93 albertel 317: }
1.83 albertel 318: $temp++;
1.110 foxr 319: if ($target ne 'tex') {
320: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
321: } else {
322: $result.='\vskip 0 mm ';
323: }
1.83 albertel 324: }
1.45 albertel 325: }
326: }
1.110 foxr 327: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
1.83 albertel 328: return $result;
1.15 albertel 329: }
330:
1.28 albertel 331: sub whichfoils {
1.83 albertel 332: my ($max,$randomize)=@_;
1.28 albertel 333:
1.83 albertel 334: my @truelist;
335: my @falselist;
336: my @whichfalse =();
337: my ($truecnt,$falsecnt) = &getfoilcounts();
338: my $count=0;
339: # we will add in 1 of the true statements
1.104 albertel 340: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
1.83 albertel 341: my $answer=int(&Math::Random::random_uniform() * ($count));
342: &Apache::lonxml::debug("Count is $count, $answer is $answer");
343: my @names;
344: if ( $Apache::response::foilgroup{'names'} ) {
345: @names= @{ $Apache::response::foilgroup{'names'} };
346: }
347: if (&Apache::response::showallfoils()) {
348: @whichfalse=@names;
349: } elsif ($randomize eq 'no') {
350: &Apache::lonxml::debug("No randomization");
351: my $havetrue=0;
352: foreach my $name (@names) {
353: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
354: if (!$havetrue ) {
355: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
356: }
357: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
358: push (@whichfalse,$name);
359: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
360: } else {
1.87 albertel 361: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 362: }
363: }
1.97 albertel 364: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
365: &Apache::lonxml::error("There are no true statements available.<br />");
366: }
1.83 albertel 367: } else {
368: my $current=0;
369: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
370: my (%top,%bottom);
371: #first find out where everyone wants to be
372: foreach my $name (@names) {
373: $current++;
374: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
375: push (@truelist,$name);
376: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
377: $top{$name}=$current;
378: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
379: $bottom{$name}=$current;
380: }
381: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
382: push (@falselist,$name);
383: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
384: $top{$name}=$current;
385: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
386: $bottom{$name}=$current;
387: }
388: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
389: } else {
1.87 albertel 390: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 391: }
392: }
393: #pick a true statement
394: my $notrue=0;
395: if (scalar(@truelist) == 0) { $notrue=1; }
396: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
397: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
398: my (@toplist, @bottomlist);
399: my $topcount=0;
400: my $bottomcount=0;
401: # assign everyone to either toplist/bottomlist or whichfalse
402: # which false is randomized, toplist bottomlist are in order
403: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
404: &Apache::lonxml::debug("Have $#whichfalse max is $max");
405: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
406: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
407: $afalse=splice(@falselist,$afalse,1);
408: &Apache::lonxml::debug("Picked $afalse");
409: &Apache::lonhomework::showhash(('names'=>\@names));
410: &Apache::lonhomework::showhash(%top);
411: if ($top{$afalse}) {
412: $toplist[$top{$afalse}]=$afalse;
413: $topcount++;
414: } elsif ($bottom{$afalse}) {
415: $bottomlist[$bottom{$afalse}]=$afalse;
416: $bottomcount++;
417: } else {
418: push (@whichfalse,$afalse);
419: }
420: }
421: &Apache::lonxml::debug("Answer wants $answer");
422: my $truename=$truelist[$whichtrue];
423: my $dosplice=1;
424: if ($notrue && $Apache::lonhomework::type ne 'survey') {
425: $dosplice=0;
426: &Apache::lonxml::error("There are no true statements available.<br />");
427: }
428: #insert the true statement, keeping track of where it wants to be
429: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
430: $toplist[$top{$truename}]=$truename;
431: $answer=-1;
432: foreach my $top (reverse(@toplist)) {
433: if ($top) { $answer++;}
434: if ($top eq $truename) { last; }
1.49 albertel 435: }
1.83 albertel 436: $dosplice=0;
437: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
438: $bottomlist[$bottom{$truename}]=$truename;
439: $answer=-1;
440: foreach my $bot (@bottomlist) {
441: if ($bot) { $answer++;}
442: if ($bot eq $truename) { last; }
1.49 albertel 443: }
1.83 albertel 444: $answer+=$topcount+$#whichfalse+1;
445: $dosplice=0;
1.49 albertel 446: } else {
1.83 albertel 447: if ($topcount>0 || $bottomcount>0) {
448: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
449: + $topcount;
450: }
451: }
452: &Apache::lonxml::debug("Answer now wants $answer");
453: #add the top items to the top, bottom items to the bottom
454: for (my $i=0;$i<=$#toplist;$i++) {
455: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 456: }
1.83 albertel 457: for (my $i=0;$i<=$#bottomlist;$i++) {
458: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 459: }
1.83 albertel 460: #if the true statement is randomized insert it into the list
461: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 462: }
1.83 albertel 463: &Apache::lonxml::debug("Answer is $answer");
464: return ($answer,@whichfalse);
1.28 albertel 465: }
466:
467: sub displayfoils {
1.90 albertel 468: my ($target,$max,$randomize,$direction)=@_;
1.83 albertel 469: my $result;
1.28 albertel 470:
1.83 albertel 471: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.22 albertel 472: my $part=$Apache::inputtags::part;
1.83 albertel 473: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
474: if ( ($target ne 'tex') &&
475: &Apache::response::show_answer() ) {
1.90 albertel 476: if ($direction eq 'horizontal') {
477: if ($target ne 'tex') {
478: $result.='<table><tr>';
479: }
480: }
1.83 albertel 481: foreach my $name (@whichfoils) {
1.90 albertel 482: if ($direction eq 'horizontal') {
483: if ($target ne 'tex') { $result.='<td>'; }
484: }
1.83 albertel 485: if ($target ne 'tex') {
486: $result.="<br />";
487: } else {
488: $result.='\item \vskip -2 mm ';
489: }
490: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
491: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
492: } else {
493: $result.='Incorrect:';
494: }
1.94 matthew 495: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 496: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 497: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 498: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
499: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
500: }
1.90 albertel 501: if ($direction eq 'horizontal') {
502: if ($target ne 'tex') { $result.='</td>'; }
503: }
504: }
505: if ($direction eq 'horizontal') {
506: if ($target ne 'tex') {
507: $result.='</tr></table>';
508: }
1.83 albertel 509: }
510: } else {
511: my @alphabet = ('A'..'Z');
512: my $i = 0;
513: my $temp=0;
514: my $id=$Apache::inputtags::response['-1'];
515: my $part=$Apache::inputtags::part;
516: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
517: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 518: if ($target ne 'tex' && $direction eq 'horizontal') {
519: $result.="<table><tr>";
520: }
1.83 albertel 521: foreach my $name (@whichfoils) {
522: if ($target ne 'tex') {
1.90 albertel 523: if ($direction eq 'horizontal') {
524: $result.="<td>";
525: } else {
526: $result.="<br />";
527: }
528: }
529: if ($target ne 'tex') {
1.94 matthew 530: $result.= '<label>';
1.90 albertel 531: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
1.83 albertel 532: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.108 albertel 533: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 534: } else {
535: if ($Apache::lonhomework::type eq 'exam') {
536: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
537: $i++;
538: } else {
539: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
540: }
541: }
1.90 albertel 542: if ($target ne 'tex' && $direction eq 'horizontal') {
543: $result.="</td>";
544: }
1.83 albertel 545: $temp++;
546: }
1.90 albertel 547: if ($target ne 'tex' && $direction eq 'horizontal') {
548: $result.="</tr></table>";
549: }
1.83 albertel 550: }
1.92 albertel 551: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 552: return $result;
1.81 albertel 553: }
554:
555: sub displayallanswers {
1.106 albertel 556: my @names;
557: if ( $Apache::response::foilgroup{'names'} ) {
558: @names= @{ $Apache::response::foilgroup{'names'} };
559: }
1.81 albertel 560:
561: my $result=&Apache::response::answer_header('radiobuttonresponse');
562: foreach my $name (@names) {
563: $result.=&Apache::response::answer_part('radiobuttonresponse',
564: $Apache::response::foilgroup{$name.'.value'});
565: }
566: $result.=&Apache::response::answer_footer('radiobuttonresponse');
567: return $result;
1.14 albertel 568: }
569:
1.28 albertel 570: sub displayanswers {
1.83 albertel 571: my ($max,$randomize)=@_;
572: my ($answer,@whichopt) = &whichfoils($max,$randomize);
573: my $result=&Apache::response::answer_header('radiobuttonresponse');
1.105 albertel 574: if ($Apache::lonhomework::type eq 'exam') {
575: my $correct = ('A'..'Z')[$answer];
576: $result.=&Apache::response::answer_part('radiobuttonresponse',
577: $correct);
578: }
1.83 albertel 579: foreach my $name (@whichopt) {
580: $result.=&Apache::response::answer_part('radiobuttonresponse',
1.105 albertel 581: $Apache::response::foilgroup{$name.'.value'});
582: }
1.83 albertel 583: $result.=&Apache::response::answer_footer('radiobuttonresponse');
584: return $result;
1.28 albertel 585: }
586:
1.14 albertel 587: sub start_conceptgroup {
1.83 albertel 588: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
589: $Apache::radiobuttonresponse::conceptgroup=1;
590: %Apache::response::conceptgroup=();
591: my $result;
592: if ($target eq 'edit') {
593: $result.=&Apache::edit::tag_start($target,$token);
594: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
595: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
596: } elsif ($target eq 'modified') {
597: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
598: $safeeval,'concept');
599: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
600: }
601: return $result;
1.14 albertel 602: }
603:
604: sub end_conceptgroup {
1.83 albertel 605: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
606: $Apache::radiobuttonresponse::conceptgroup=0;
607: my $result;
608: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
609: $target eq 'tex' || $target eq 'analyze') {
610: &Apache::response::pick_foil_for_concept($target,
611: ['value','text','location'],
612: \%Apache::hint::radiobutton,
613: $parstack,$safeeval);
614: } elsif ($target eq 'edit') {
615: $result=&Apache::edit::end_table();
616: }
617: return $result;
1.26 albertel 618: }
619:
620: sub insert_conceptgroup {
1.83 albertel 621: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
622: return $result;
1.1 albertel 623: }
624:
625: sub start_foil {
1.83 albertel 626: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
627: my $result='';
628: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
629: &Apache::lonxml::startredirection;
1.95 albertel 630: if ($target eq 'analyze') {
631: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
632: }
1.83 albertel 633: } elsif ($target eq 'edit') {
634: $result=&Apache::edit::tag_start($target,$token);
635: $result.=&Apache::edit::text_arg('Name:','name',$token);
636: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
637: ['unused','true','false'],
638: $token);
639: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
640: $safeeval,'-3');
641: if ($randomize ne 'no') {
642: $result.=&Apache::edit::select_arg('Location:','location',
643: ['random','top','bottom'],$token);
644: }
645: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
646: } elsif ($target eq 'modified') {
647: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
648: $safeeval,'value','name',
649: 'location');
650: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
651: }
652: return $result;
1.1 albertel 653: }
654:
655: sub end_foil {
1.83 albertel 656: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
657: my $text='';
658: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
659: $text=&Apache::lonxml::endredirection;
660: }
1.85 albertel 661: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
662: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 663: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
664: if ($value ne 'unused') {
665: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.102 albertel 666: if ($name eq "") {
1.101 albertel 667: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
1.98 albertel 668: $name=$Apache::lonxml::curdepth;
669: }
1.85 albertel 670: if (defined($Apache::response::foilnames{$name})) {
671: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
672: }
1.86 albertel 673: $Apache::response::foilnames{$name}++;
1.85 albertel 674: my $location =&Apache::lonxml::get_param('location',$parstack,
675: $safeeval);
1.83 albertel 676: if ( $Apache::radiobuttonresponse::conceptgroup
677: && !&Apache::response::showallfoils() ) {
678: push @{ $Apache::response::conceptgroup{'names'} }, $name;
679: $Apache::response::conceptgroup{"$name.value"} = $value;
680: $Apache::response::conceptgroup{"$name.text"} = $text;
681: $Apache::response::conceptgroup{"$name.location"} = $location;
682: } else {
683: push @{ $Apache::response::foilgroup{'names'} }, $name;
684: $Apache::response::foilgroup{"$name.value"} = $value;
685: $Apache::response::foilgroup{"$name.text"} = $text;
686: $Apache::response::foilgroup{"$name.location"} = $location;
687: }
688: }
1.18 albertel 689: }
1.83 albertel 690: return '';
1.1 albertel 691: }
692:
1.27 albertel 693: sub insert_foil {
1.83 albertel 694: return '
1.27 albertel 695: <foil name="" value="unused">
696: <startouttext />
697: <endouttext />
698: </foil>';
699: }
1.1 albertel 700: 1;
701: __END__
702:
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