Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.105
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.105 ! albertel 4: # $Id: radiobuttonresponse.pm,v 1.104 2005/10/11 20:02:31 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') {
1.93 albertel 182: $result=&displayallfoils($direction);
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,$falsecnt);
1.5 albertel 231: }
232:
1.15 albertel 233: sub displayallfoils {
1.93 albertel 234: my ($direction)=@_;
1.83 albertel 235: my $result;
236: &Apache::lonxml::debug("survey style display");
237: my @names = @{ $Apache::response::foilgroup{'names'} };
238: my $temp=0;
239: my $id=$Apache::inputtags::response['-1'];
240: my $part=$Apache::inputtags::part;
241: my $lastresponse=
242: $Apache::lonhomework::history{"resource.$part.$id.submission"};
1.93 albertel 243: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 244: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
245: if (&Apache::response::show_answer() ) {
246: foreach my $name (@names) {
247: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 248: if ($direction eq 'horizontal') {
249: $result.="<td>";
250: } else {
251: $result.="<br />";
252: }
1.84 albertel 253: if (defined($lastresponse{$name})) {
1.83 albertel 254: $result.='<b>';
255: }
256: $result .= $Apache::response::foilgroup{$name.'.text'};
1.84 albertel 257: if (defined($lastresponse{$name})) {
1.83 albertel 258: $result.='</b>';
259: }
1.93 albertel 260: if ($direction eq 'horizontal') { $result.="</td>"; }
1.83 albertel 261: }
1.45 albertel 262: }
1.83 albertel 263: } else {
264: foreach my $name (@names) {
265: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 266: if ($direction eq 'horizontal') {
267: $result.="<td>";
268: } else {
269: $result.="<br />";
270: }
1.94 matthew 271: $result .= '<label>';
1.93 albertel 272: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
1.83 albertel 273: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.94 matthew 274: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}.
275: '</label>';
1.83 albertel 276: $temp++;
1.93 albertel 277: if ($direction eq 'horizontal') { $result.="</td>"; }
1.83 albertel 278: }
1.45 albertel 279: }
280: }
1.93 albertel 281: if ($direction eq 'horizontal') { $result.='</tr></table>'; }
1.83 albertel 282: return $result;
1.15 albertel 283: }
284:
1.28 albertel 285: sub whichfoils {
1.83 albertel 286: my ($max,$randomize)=@_;
1.28 albertel 287:
1.83 albertel 288: my @truelist;
289: my @falselist;
290: my @whichfalse =();
291: my ($truecnt,$falsecnt) = &getfoilcounts();
292: my $count=0;
293: # we will add in 1 of the true statements
1.104 albertel 294: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
1.83 albertel 295: my $answer=int(&Math::Random::random_uniform() * ($count));
296: &Apache::lonxml::debug("Count is $count, $answer is $answer");
297: my @names;
298: if ( $Apache::response::foilgroup{'names'} ) {
299: @names= @{ $Apache::response::foilgroup{'names'} };
300: }
301: if (&Apache::response::showallfoils()) {
302: @whichfalse=@names;
303: } elsif ($randomize eq 'no') {
304: &Apache::lonxml::debug("No randomization");
305: my $havetrue=0;
306: foreach my $name (@names) {
307: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
308: if (!$havetrue ) {
309: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
310: }
311: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
312: push (@whichfalse,$name);
313: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
314: } else {
1.87 albertel 315: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 316: }
317: }
1.97 albertel 318: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
319: &Apache::lonxml::error("There are no true statements available.<br />");
320: }
1.83 albertel 321: } else {
322: my $current=0;
323: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
324: my (%top,%bottom);
325: #first find out where everyone wants to be
326: foreach my $name (@names) {
327: $current++;
328: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
329: push (@truelist,$name);
330: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
331: $top{$name}=$current;
332: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
333: $bottom{$name}=$current;
334: }
335: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
336: push (@falselist,$name);
337: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
338: $top{$name}=$current;
339: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
340: $bottom{$name}=$current;
341: }
342: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
343: } else {
1.87 albertel 344: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 345: }
346: }
347: #pick a true statement
348: my $notrue=0;
349: if (scalar(@truelist) == 0) { $notrue=1; }
350: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
351: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
352: my (@toplist, @bottomlist);
353: my $topcount=0;
354: my $bottomcount=0;
355: # assign everyone to either toplist/bottomlist or whichfalse
356: # which false is randomized, toplist bottomlist are in order
357: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
358: &Apache::lonxml::debug("Have $#whichfalse max is $max");
359: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
360: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
361: $afalse=splice(@falselist,$afalse,1);
362: &Apache::lonxml::debug("Picked $afalse");
363: &Apache::lonhomework::showhash(('names'=>\@names));
364: &Apache::lonhomework::showhash(%top);
365: if ($top{$afalse}) {
366: $toplist[$top{$afalse}]=$afalse;
367: $topcount++;
368: } elsif ($bottom{$afalse}) {
369: $bottomlist[$bottom{$afalse}]=$afalse;
370: $bottomcount++;
371: } else {
372: push (@whichfalse,$afalse);
373: }
374: }
375: &Apache::lonxml::debug("Answer wants $answer");
376: my $truename=$truelist[$whichtrue];
377: my $dosplice=1;
378: if ($notrue && $Apache::lonhomework::type ne 'survey') {
379: $dosplice=0;
380: &Apache::lonxml::error("There are no true statements available.<br />");
381: }
382: #insert the true statement, keeping track of where it wants to be
383: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
384: $toplist[$top{$truename}]=$truename;
385: $answer=-1;
386: foreach my $top (reverse(@toplist)) {
387: if ($top) { $answer++;}
388: if ($top eq $truename) { last; }
1.49 albertel 389: }
1.83 albertel 390: $dosplice=0;
391: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
392: $bottomlist[$bottom{$truename}]=$truename;
393: $answer=-1;
394: foreach my $bot (@bottomlist) {
395: if ($bot) { $answer++;}
396: if ($bot eq $truename) { last; }
1.49 albertel 397: }
1.83 albertel 398: $answer+=$topcount+$#whichfalse+1;
399: $dosplice=0;
1.49 albertel 400: } else {
1.83 albertel 401: if ($topcount>0 || $bottomcount>0) {
402: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
403: + $topcount;
404: }
405: }
406: &Apache::lonxml::debug("Answer now wants $answer");
407: #add the top items to the top, bottom items to the bottom
408: for (my $i=0;$i<=$#toplist;$i++) {
409: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 410: }
1.83 albertel 411: for (my $i=0;$i<=$#bottomlist;$i++) {
412: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 413: }
1.83 albertel 414: #if the true statement is randomized insert it into the list
415: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 416: }
1.83 albertel 417: &Apache::lonxml::debug("Answer is $answer");
418: return ($answer,@whichfalse);
1.28 albertel 419: }
420:
421: sub displayfoils {
1.90 albertel 422: my ($target,$max,$randomize,$direction)=@_;
1.83 albertel 423: my $result;
1.28 albertel 424:
1.83 albertel 425: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.22 albertel 426: my $part=$Apache::inputtags::part;
1.83 albertel 427: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
428: if ( ($target ne 'tex') &&
429: &Apache::response::show_answer() ) {
1.90 albertel 430: if ($direction eq 'horizontal') {
431: if ($target ne 'tex') {
432: $result.='<table><tr>';
433: }
434: }
1.83 albertel 435: foreach my $name (@whichfoils) {
1.90 albertel 436: if ($direction eq 'horizontal') {
437: if ($target ne 'tex') { $result.='<td>'; }
438: }
1.83 albertel 439: if ($target ne 'tex') {
440: $result.="<br />";
441: } else {
442: $result.='\item \vskip -2 mm ';
443: }
444: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
445: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
446: } else {
447: $result.='Incorrect:';
448: }
1.94 matthew 449: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 450: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 451: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 452: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
453: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
454: }
1.90 albertel 455: if ($direction eq 'horizontal') {
456: if ($target ne 'tex') { $result.='</td>'; }
457: }
458: }
459: if ($direction eq 'horizontal') {
460: if ($target ne 'tex') {
461: $result.='</tr></table>';
462: }
1.83 albertel 463: }
464: } else {
465: my @alphabet = ('A'..'Z');
466: my $i = 0;
467: my $temp=0;
468: my $id=$Apache::inputtags::response['-1'];
469: my $part=$Apache::inputtags::part;
470: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
471: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 472: if ($target ne 'tex' && $direction eq 'horizontal') {
473: $result.="<table><tr>";
474: }
1.83 albertel 475: foreach my $name (@whichfoils) {
476: if ($target ne 'tex') {
1.90 albertel 477: if ($direction eq 'horizontal') {
478: $result.="<td>";
479: } else {
480: $result.="<br />";
481: }
482: }
483: if ($target ne 'tex') {
1.94 matthew 484: $result.= '<label>';
1.90 albertel 485: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
1.83 albertel 486: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.94 matthew 487: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 488: } else {
489: if ($Apache::lonhomework::type eq 'exam') {
490: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
491: $i++;
492: } else {
493: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
494: }
495: }
1.90 albertel 496: if ($target ne 'tex' && $direction eq 'horizontal') {
497: $result.="</td>";
498: }
1.83 albertel 499: $temp++;
500: }
1.90 albertel 501: if ($target ne 'tex' && $direction eq 'horizontal') {
502: $result.="</tr></table>";
503: }
1.83 albertel 504: }
1.92 albertel 505: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 506: return $result;
1.81 albertel 507: }
508:
509: sub displayallanswers {
510: my @names = @{ $Apache::response::foilgroup{'names'} };
511:
512: my $result=&Apache::response::answer_header('radiobuttonresponse');
513: foreach my $name (@names) {
514: $result.=&Apache::response::answer_part('radiobuttonresponse',
515: $Apache::response::foilgroup{$name.'.value'});
516: }
517: $result.=&Apache::response::answer_footer('radiobuttonresponse');
518: return $result;
1.14 albertel 519: }
520:
1.28 albertel 521: sub displayanswers {
1.83 albertel 522: my ($max,$randomize)=@_;
523: my ($answer,@whichopt) = &whichfoils($max,$randomize);
524: my $result=&Apache::response::answer_header('radiobuttonresponse');
1.105 ! albertel 525: if ($Apache::lonhomework::type eq 'exam') {
! 526: my $correct = ('A'..'Z')[$answer];
! 527: $result.=&Apache::response::answer_part('radiobuttonresponse',
! 528: $correct);
! 529: }
1.83 albertel 530: foreach my $name (@whichopt) {
531: $result.=&Apache::response::answer_part('radiobuttonresponse',
1.105 ! albertel 532: $Apache::response::foilgroup{$name.'.value'});
! 533: }
1.83 albertel 534: $result.=&Apache::response::answer_footer('radiobuttonresponse');
535: return $result;
1.28 albertel 536: }
537:
1.14 albertel 538: sub start_conceptgroup {
1.83 albertel 539: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
540: $Apache::radiobuttonresponse::conceptgroup=1;
541: %Apache::response::conceptgroup=();
542: my $result;
543: if ($target eq 'edit') {
544: $result.=&Apache::edit::tag_start($target,$token);
545: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
546: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
547: } elsif ($target eq 'modified') {
548: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
549: $safeeval,'concept');
550: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
551: }
552: return $result;
1.14 albertel 553: }
554:
555: sub end_conceptgroup {
1.83 albertel 556: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
557: $Apache::radiobuttonresponse::conceptgroup=0;
558: my $result;
559: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
560: $target eq 'tex' || $target eq 'analyze') {
561: &Apache::response::pick_foil_for_concept($target,
562: ['value','text','location'],
563: \%Apache::hint::radiobutton,
564: $parstack,$safeeval);
565: } elsif ($target eq 'edit') {
566: $result=&Apache::edit::end_table();
567: }
568: return $result;
1.26 albertel 569: }
570:
571: sub insert_conceptgroup {
1.83 albertel 572: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
573: return $result;
1.1 albertel 574: }
575:
576: sub start_foil {
1.83 albertel 577: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
578: my $result='';
579: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
580: &Apache::lonxml::startredirection;
1.95 albertel 581: if ($target eq 'analyze') {
582: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
583: }
1.83 albertel 584: } elsif ($target eq 'edit') {
585: $result=&Apache::edit::tag_start($target,$token);
586: $result.=&Apache::edit::text_arg('Name:','name',$token);
587: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
588: ['unused','true','false'],
589: $token);
590: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
591: $safeeval,'-3');
592: if ($randomize ne 'no') {
593: $result.=&Apache::edit::select_arg('Location:','location',
594: ['random','top','bottom'],$token);
595: }
596: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
597: } elsif ($target eq 'modified') {
598: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
599: $safeeval,'value','name',
600: 'location');
601: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
602: }
603: return $result;
1.1 albertel 604: }
605:
606: sub end_foil {
1.83 albertel 607: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
608: my $text='';
609: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
610: $text=&Apache::lonxml::endredirection;
611: }
1.85 albertel 612: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
613: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 614: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
615: if ($value ne 'unused') {
616: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.102 albertel 617: if ($name eq "") {
1.101 albertel 618: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
1.98 albertel 619: $name=$Apache::lonxml::curdepth;
620: }
1.85 albertel 621: if (defined($Apache::response::foilnames{$name})) {
622: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
623: }
1.86 albertel 624: $Apache::response::foilnames{$name}++;
1.85 albertel 625: my $location =&Apache::lonxml::get_param('location',$parstack,
626: $safeeval);
1.83 albertel 627: if ( $Apache::radiobuttonresponse::conceptgroup
628: && !&Apache::response::showallfoils() ) {
629: push @{ $Apache::response::conceptgroup{'names'} }, $name;
630: $Apache::response::conceptgroup{"$name.value"} = $value;
631: $Apache::response::conceptgroup{"$name.text"} = $text;
632: $Apache::response::conceptgroup{"$name.location"} = $location;
633: } else {
634: push @{ $Apache::response::foilgroup{'names'} }, $name;
635: $Apache::response::foilgroup{"$name.value"} = $value;
636: $Apache::response::foilgroup{"$name.text"} = $text;
637: $Apache::response::foilgroup{"$name.location"} = $location;
638: }
639: }
1.18 albertel 640: }
1.83 albertel 641: return '';
1.1 albertel 642: }
643:
1.27 albertel 644: sub insert_foil {
1.83 albertel 645: return '
1.27 albertel 646: <foil name="" value="unused">
647: <startouttext />
648: <endouttext />
649: </foil>';
650: }
1.1 albertel 651: 1;
652: __END__
653:
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