Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.98
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.98 ! albertel 4: # $Id: radiobuttonresponse.pm,v 1.97 2004/12/23 17:08:22 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;
1.1 albertel 33:
1.36 harris41 34: BEGIN {
1.83 albertel 35: &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1 albertel 36: }
37:
38: sub start_radiobuttonresponse {
1.83 albertel 39: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
40: my $result;
41: #when in a radiobutton response use these
42: &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
43: push (@Apache::lonxml::namespace,'radiobuttonresponse');
44: my $id = &Apache::response::start_response($parstack,$safeeval);
45: %Apache::hint::radiobutton=();
1.85 albertel 46: undef(%Apache::response::foilnames);
1.83 albertel 47: if ($target eq 'meta') {
48: $result=&Apache::response::meta_package_write('radiobuttonresponse');
49: } elsif ($target eq 'edit' ) {
50: $result.=&Apache::edit::start_table($token).
51: '<tr><td>'.&Apache::lonxml::description($token).
52: &Apache::loncommon::help_open_topic('Radio_Response_Problems').
53: "</td><td>Delete:".
54: &Apache::edit::deletelist($target,$token)
55: ."</td><td> ".&Apache::edit::end_row()
56: .&Apache::edit::start_spanning_row();
57: $result.=
58: &Apache::edit::text_arg('Max Number Of Shown Foils:','max',
59: $token,'4').
60: &Apache::edit::select_arg('Randomize Foil Order','randomize',
61: ['yes','no'],$token).
62: &Apache::edit::end_row().
63: &Apache::edit::start_spanning_row()."\n";
64: } elsif ($target eq 'modified') {
65: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
66: $safeeval,'max',
67: 'randomize');
68: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
69: } elsif ($target eq 'tex') {
70: my $type=&Apache::lonxml::get_param('TeXtype',$parstack,$safeeval,
71: undef,0);
72: if ($type eq '1') {
73: $result .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}';
74: } elsif ($type eq 'A') {
75: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
76: } elsif ($type eq 'a') {
77: $result .= ' \renewcommand{\labelenumi}{\alph{enumi}.}';
78: } elsif ($type eq 'i') {
79: $result .= ' \renewcommand{\labelenumi}{\roman{enumi}.}';
1.88 albertel 80: } else {
81: $result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}';
1.83 albertel 82: }
83: $result .= '\begin{enumerate}';
84: } elsif ($target eq 'analyze') {
85: my $part_id="$Apache::inputtags::part.$id";
86: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
87: }
88: return $result;
1.1 albertel 89: }
90:
91: sub end_radiobuttonresponse {
1.83 albertel 92: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
93: my $result;
94: if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
95: if ($target eq 'tex') { $result .= '\end{enumerate}'; }
96: &Apache::response::end_response;
97: pop @Apache::lonxml::namespace;
98: &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.85 albertel 99: undef(%Apache::response::foilnames);
1.83 albertel 100: return $result;
1.1 albertel 101: }
102:
1.43 albertel 103: %Apache::response::foilgroup=();
1.1 albertel 104: sub start_foilgroup {
1.83 albertel 105: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
106: my $result;
107: %Apache::response::foilgroup=();
108: $Apache::radiobuttonresponse::conceptgroup=0;
1.89 albertel 109: &Apache::response::pushrandomnumber();
1.83 albertel 110: if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
111: $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
112: }
113: return $result;
1.5 albertel 114: }
115:
1.15 albertel 116: sub storesurvey {
1.83 albertel 117: if ( !defined($ENV{'form.submitted'})) { return ''; }
118: my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
119: &Apache::lonxml::debug("Here I am!:$response:");
120: if ( $response !~ /[0-9]+/) { return ''; }
1.96 albertel 121: my $part = $Apache::inputtags::part;
1.83 albertel 122: my $id = $Apache::inputtags::response['-1'];
123: my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
124: my %responsehash;
125: $responsehash{$whichfoils[$response]}=$response;
1.96 albertel 126: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
127: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
128: $responsestr;
129: my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
130: my $ad=$Apache::lonhomework::results{"resource.$part.$id.awarddetail"}='SUBMITTED';
131: &Apache::response::handle_previous(\%previous,$ad);
1.83 albertel 132: &Apache::lonxml::debug("submitted a $response<br />\n");
133: return '';
1.15 albertel 134: }
135:
1.32 albertel 136: sub grade_response {
1.83 albertel 137: my ($max,$randomize)=@_;
138: #keep the random numbers the same must always call this
139: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
140: if (!defined($ENV{'form.submitted'})) { return; }
141: my $response;
142: if ($ENV{'form.submitted'} eq 'scantron') {
143: $response=&Apache::response::getresponse();
144: } else {
145: $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1']};
146: }
147: if ( $response !~ /[0-9]+/) { return; }
148: my $part=$Apache::inputtags::part;
149: my $id = $Apache::inputtags::response['-1'];
150: my %responsehash;
151: $responsehash{$whichfoils[$response]}=$response;
152: my $responsestr=&Apache::lonnet::hash2str(%responsehash);
153: my %previous=&Apache::response::check_for_previous($responsestr,
154: $part,$id);
155: $Apache::lonhomework::results{"resource.$part.$id.submission"}=
156: $responsestr;
157: &Apache::lonxml::debug("submitted a $response<br />\n");
158: my $ad;
159: if ($response == $answer) {
160: $ad='EXACT_ANS';
161: } else {
162: $ad='INCORRECT';
163: }
164: $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
165: &Apache::response::handle_previous(\%previous,$ad);
1.32 albertel 166: }
167:
1.1 albertel 168: sub end_foilgroup {
1.83 albertel 169: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29 albertel 170:
1.83 albertel 171: my $result;
172: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
173: $target eq 'tex' || $target eq 'analyze') {
174: my $style = $Apache::lonhomework::type;
1.93 albertel 175: my $direction = &Apache::lonxml::get_param('direction',$parstack,
176: $safeeval,'-2');
1.83 albertel 177: if ( $style eq 'survey' && $target ne 'analyze') {
178: if ($target eq 'web' || $target eq 'tex') {
1.93 albertel 179: $result=&displayallfoils($direction);
1.83 albertel 180: } elsif ( $target eq 'answer' ) {
181: $result=&displayallanswers();
182: } elsif ( $target eq 'grade' ) {
183: $result=&storesurvey();
184: }
185: } else {
186: my $name;
187: my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,
188: '-2');
189: my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
190: $safeeval,'-2');
191: if ($target eq 'web' || $target eq 'tex') {
1.90 albertel 192: $result=&displayfoils($target,$max,$randomize,$direction);
1.83 albertel 193: } elsif ($target eq 'answer' ) {
194: $result=&displayanswers($max,$randomize);
195: } elsif ( $target eq 'grade') {
196: &grade_response($max,$randomize);
197: } elsif ( $target eq 'analyze') {
198: my @shown = &whichfoils($max,$randomize);
199: &Apache::response::analyze_store_foilgroup(\@shown,
200: ['text','value','location']);
201: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
202: push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },
203: ('true','false'));
204: }
1.81 albertel 205: }
1.83 albertel 206: }
1.89 albertel 207: &Apache::response::poprandomnumber();
1.83 albertel 208: &Apache::lonxml::increment_counter();
209: return $result;
1.6 albertel 210: }
211:
212: sub getfoilcounts {
1.83 albertel 213: my @names;
214: my $truecnt=0;
215: my $falsecnt=0;
216: my $name;
217: if ( $Apache::response::foilgroup{'names'} ) {
218: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 219: }
1.83 albertel 220: foreach $name (@names) {
221: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
222: $truecnt++;
223: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
224: $falsecnt++;
225: }
226: }
227: return ($truecnt,$falsecnt);
1.5 albertel 228: }
229:
1.15 albertel 230: sub displayallfoils {
1.93 albertel 231: my ($direction)=@_;
1.83 albertel 232: my $result;
233: &Apache::lonxml::debug("survey style display");
234: my @names = @{ $Apache::response::foilgroup{'names'} };
235: my $temp=0;
236: my $id=$Apache::inputtags::response['-1'];
237: my $part=$Apache::inputtags::part;
238: my $lastresponse=
239: $Apache::lonhomework::history{"resource.$part.$id.submission"};
1.93 albertel 240: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 241: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
242: if (&Apache::response::show_answer() ) {
243: foreach my $name (@names) {
244: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 245: if ($direction eq 'horizontal') {
246: $result.="<td>";
247: } else {
248: $result.="<br />";
249: }
1.84 albertel 250: if (defined($lastresponse{$name})) {
1.83 albertel 251: $result.='<b>';
252: }
253: $result .= $Apache::response::foilgroup{$name.'.text'};
1.84 albertel 254: if (defined($lastresponse{$name})) {
1.83 albertel 255: $result.='</b>';
256: }
1.93 albertel 257: if ($direction eq 'horizontal') { $result.="</td>"; }
1.83 albertel 258: }
1.45 albertel 259: }
1.83 albertel 260: } else {
261: foreach my $name (@names) {
262: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 263: if ($direction eq 'horizontal') {
264: $result.="<td>";
265: } else {
266: $result.="<br />";
267: }
1.94 matthew 268: $result .= '<label>';
1.93 albertel 269: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
1.83 albertel 270: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.94 matthew 271: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}.
272: '</label>';
1.83 albertel 273: $temp++;
1.93 albertel 274: if ($direction eq 'horizontal') { $result.="</td>"; }
1.83 albertel 275: }
1.45 albertel 276: }
277: }
1.93 albertel 278: if ($direction eq 'horizontal') { $result.='</tr></table>'; }
1.83 albertel 279: return $result;
1.15 albertel 280: }
281:
1.28 albertel 282: sub whichfoils {
1.83 albertel 283: my ($max,$randomize)=@_;
1.28 albertel 284:
1.83 albertel 285: my @truelist;
286: my @falselist;
287: my @whichfalse =();
288: my ($truecnt,$falsecnt) = &getfoilcounts();
289: my $count=0;
290: # we will add in 1 of the true statements
291: if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
292: my $answer=int(&Math::Random::random_uniform() * ($count));
293: &Apache::lonxml::debug("Count is $count, $answer is $answer");
294: my @names;
295: if ( $Apache::response::foilgroup{'names'} ) {
296: @names= @{ $Apache::response::foilgroup{'names'} };
297: }
298: if (&Apache::response::showallfoils()) {
299: @whichfalse=@names;
300: } elsif ($randomize eq 'no') {
301: &Apache::lonxml::debug("No randomization");
302: my $havetrue=0;
303: foreach my $name (@names) {
304: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
305: if (!$havetrue ) {
306: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
307: }
308: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
309: push (@whichfalse,$name);
310: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
311: } else {
1.87 albertel 312: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 313: }
314: }
1.97 albertel 315: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
316: &Apache::lonxml::error("There are no true statements available.<br />");
317: }
1.83 albertel 318: } else {
319: my $current=0;
320: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
321: my (%top,%bottom);
322: #first find out where everyone wants to be
323: foreach my $name (@names) {
324: $current++;
325: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
326: push (@truelist,$name);
327: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
328: $top{$name}=$current;
329: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
330: $bottom{$name}=$current;
331: }
332: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
333: push (@falselist,$name);
334: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
335: $top{$name}=$current;
336: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
337: $bottom{$name}=$current;
338: }
339: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
340: } else {
1.87 albertel 341: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 342: }
343: }
344: #pick a true statement
345: my $notrue=0;
346: if (scalar(@truelist) == 0) { $notrue=1; }
347: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
348: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
349: my (@toplist, @bottomlist);
350: my $topcount=0;
351: my $bottomcount=0;
352: # assign everyone to either toplist/bottomlist or whichfalse
353: # which false is randomized, toplist bottomlist are in order
354: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
355: &Apache::lonxml::debug("Have $#whichfalse max is $max");
356: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
357: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
358: $afalse=splice(@falselist,$afalse,1);
359: &Apache::lonxml::debug("Picked $afalse");
360: &Apache::lonhomework::showhash(('names'=>\@names));
361: &Apache::lonhomework::showhash(%top);
362: if ($top{$afalse}) {
363: $toplist[$top{$afalse}]=$afalse;
364: $topcount++;
365: } elsif ($bottom{$afalse}) {
366: $bottomlist[$bottom{$afalse}]=$afalse;
367: $bottomcount++;
368: } else {
369: push (@whichfalse,$afalse);
370: }
371: }
372: &Apache::lonxml::debug("Answer wants $answer");
373: my $truename=$truelist[$whichtrue];
374: my $dosplice=1;
375: if ($notrue && $Apache::lonhomework::type ne 'survey') {
376: $dosplice=0;
377: &Apache::lonxml::error("There are no true statements available.<br />");
378: }
379: #insert the true statement, keeping track of where it wants to be
380: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
381: $toplist[$top{$truename}]=$truename;
382: $answer=-1;
383: foreach my $top (reverse(@toplist)) {
384: if ($top) { $answer++;}
385: if ($top eq $truename) { last; }
1.49 albertel 386: }
1.83 albertel 387: $dosplice=0;
388: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
389: $bottomlist[$bottom{$truename}]=$truename;
390: $answer=-1;
391: foreach my $bot (@bottomlist) {
392: if ($bot) { $answer++;}
393: if ($bot eq $truename) { last; }
1.49 albertel 394: }
1.83 albertel 395: $answer+=$topcount+$#whichfalse+1;
396: $dosplice=0;
1.49 albertel 397: } else {
1.83 albertel 398: if ($topcount>0 || $bottomcount>0) {
399: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
400: + $topcount;
401: }
402: }
403: &Apache::lonxml::debug("Answer now wants $answer");
404: #add the top items to the top, bottom items to the bottom
405: for (my $i=0;$i<=$#toplist;$i++) {
406: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 407: }
1.83 albertel 408: for (my $i=0;$i<=$#bottomlist;$i++) {
409: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 410: }
1.83 albertel 411: #if the true statement is randomized insert it into the list
412: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 413: }
1.83 albertel 414: &Apache::lonxml::debug("Answer is $answer");
415: return ($answer,@whichfalse);
1.28 albertel 416: }
417:
418: sub displayfoils {
1.90 albertel 419: my ($target,$max,$randomize,$direction)=@_;
1.83 albertel 420: my $result;
1.28 albertel 421:
1.83 albertel 422: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.22 albertel 423: my $part=$Apache::inputtags::part;
1.83 albertel 424: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
425: if ( ($target ne 'tex') &&
426: &Apache::response::show_answer() ) {
1.90 albertel 427: if ($direction eq 'horizontal') {
428: if ($target ne 'tex') {
429: $result.='<table><tr>';
430: }
431: }
1.83 albertel 432: foreach my $name (@whichfoils) {
1.90 albertel 433: if ($direction eq 'horizontal') {
434: if ($target ne 'tex') { $result.='<td>'; }
435: }
1.83 albertel 436: if ($target ne 'tex') {
437: $result.="<br />";
438: } else {
439: $result.='\item \vskip -2 mm ';
440: }
441: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
442: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
443: } else {
444: $result.='Incorrect:';
445: }
1.94 matthew 446: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 447: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 448: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 449: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
450: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
451: }
1.90 albertel 452: if ($direction eq 'horizontal') {
453: if ($target ne 'tex') { $result.='</td>'; }
454: }
455: }
456: if ($direction eq 'horizontal') {
457: if ($target ne 'tex') {
458: $result.='</tr></table>';
459: }
1.83 albertel 460: }
461: } else {
462: my @alphabet = ('A'..'Z');
463: my $i = 0;
464: my $temp=0;
465: my $id=$Apache::inputtags::response['-1'];
466: my $part=$Apache::inputtags::part;
467: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
468: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 469: if ($target ne 'tex' && $direction eq 'horizontal') {
470: $result.="<table><tr>";
471: }
1.83 albertel 472: foreach my $name (@whichfoils) {
473: if ($target ne 'tex') {
1.90 albertel 474: if ($direction eq 'horizontal') {
475: $result.="<td>";
476: } else {
477: $result.="<br />";
478: }
479: }
480: if ($target ne 'tex') {
1.94 matthew 481: $result.= '<label>';
1.90 albertel 482: $result.="<input type=\"radio\" name=\"HWVAL_$Apache::inputtags::response['-1']\" value=\"$temp\" ";
1.83 albertel 483: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.94 matthew 484: $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 485: } else {
486: if ($Apache::lonhomework::type eq 'exam') {
487: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
488: $i++;
489: } else {
490: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
491: }
492: }
1.90 albertel 493: if ($target ne 'tex' && $direction eq 'horizontal') {
494: $result.="</td>";
495: }
1.83 albertel 496: $temp++;
497: }
1.90 albertel 498: if ($target ne 'tex' && $direction eq 'horizontal') {
499: $result.="</tr></table>";
500: }
1.83 albertel 501: }
1.92 albertel 502: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 503: return $result;
1.81 albertel 504: }
505:
506: sub displayallanswers {
507: my @names = @{ $Apache::response::foilgroup{'names'} };
508:
509: my $result=&Apache::response::answer_header('radiobuttonresponse');
510: foreach my $name (@names) {
511: $result.=&Apache::response::answer_part('radiobuttonresponse',
512: $Apache::response::foilgroup{$name.'.value'});
513: }
514: $result.=&Apache::response::answer_footer('radiobuttonresponse');
515: return $result;
1.14 albertel 516: }
517:
1.28 albertel 518: sub displayanswers {
1.83 albertel 519: my ($max,$randomize)=@_;
520: my ($answer,@whichopt) = &whichfoils($max,$randomize);
521: my $result=&Apache::response::answer_header('radiobuttonresponse');
522: foreach my $name (@whichopt) {
523: $result.=&Apache::response::answer_part('radiobuttonresponse',
524: $Apache::response::foilgroup{$name.'.value'})
525: }
526: $result.=&Apache::response::answer_footer('radiobuttonresponse');
527: return $result;
1.28 albertel 528: }
529:
1.14 albertel 530: sub start_conceptgroup {
1.83 albertel 531: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
532: $Apache::radiobuttonresponse::conceptgroup=1;
533: %Apache::response::conceptgroup=();
534: my $result;
535: if ($target eq 'edit') {
536: $result.=&Apache::edit::tag_start($target,$token);
537: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
538: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
539: } elsif ($target eq 'modified') {
540: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
541: $safeeval,'concept');
542: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
543: }
544: return $result;
1.14 albertel 545: }
546:
547: sub end_conceptgroup {
1.83 albertel 548: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
549: $Apache::radiobuttonresponse::conceptgroup=0;
550: my $result;
551: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
552: $target eq 'tex' || $target eq 'analyze') {
553: &Apache::response::pick_foil_for_concept($target,
554: ['value','text','location'],
555: \%Apache::hint::radiobutton,
556: $parstack,$safeeval);
557: } elsif ($target eq 'edit') {
558: $result=&Apache::edit::end_table();
559: }
560: return $result;
1.26 albertel 561: }
562:
563: sub insert_conceptgroup {
1.83 albertel 564: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
565: return $result;
1.1 albertel 566: }
567:
568: sub start_foil {
1.83 albertel 569: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
570: my $result='';
571: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
572: &Apache::lonxml::startredirection;
1.95 albertel 573: if ($target eq 'analyze') {
574: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
575: }
1.83 albertel 576: } elsif ($target eq 'edit') {
577: $result=&Apache::edit::tag_start($target,$token);
578: $result.=&Apache::edit::text_arg('Name:','name',$token);
579: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
580: ['unused','true','false'],
581: $token);
582: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
583: $safeeval,'-3');
584: if ($randomize ne 'no') {
585: $result.=&Apache::edit::select_arg('Location:','location',
586: ['random','top','bottom'],$token);
587: }
588: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
589: } elsif ($target eq 'modified') {
590: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
591: $safeeval,'value','name',
592: 'location');
593: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
594: }
595: return $result;
1.1 albertel 596: }
597:
598: sub end_foil {
1.83 albertel 599: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
600: my $text='';
601: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
602: $text=&Apache::lonxml::endredirection;
603: }
1.85 albertel 604: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
605: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 606: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
607: if ($value ne 'unused') {
608: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.98 ! albertel 609: if (!$name) {
! 610: &Apache::lonxml::error("Foils without names exist. This can cause problems to malfunction.");
! 611: $name=$Apache::lonxml::curdepth;
! 612: }
1.85 albertel 613: if (defined($Apache::response::foilnames{$name})) {
614: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
615: }
1.86 albertel 616: $Apache::response::foilnames{$name}++;
1.85 albertel 617: my $location =&Apache::lonxml::get_param('location',$parstack,
618: $safeeval);
1.83 albertel 619: if ( $Apache::radiobuttonresponse::conceptgroup
620: && !&Apache::response::showallfoils() ) {
621: push @{ $Apache::response::conceptgroup{'names'} }, $name;
622: $Apache::response::conceptgroup{"$name.value"} = $value;
623: $Apache::response::conceptgroup{"$name.text"} = $text;
624: $Apache::response::conceptgroup{"$name.location"} = $location;
625: } else {
626: push @{ $Apache::response::foilgroup{'names'} }, $name;
627: $Apache::response::foilgroup{"$name.value"} = $value;
628: $Apache::response::foilgroup{"$name.text"} = $text;
629: $Apache::response::foilgroup{"$name.location"} = $location;
630: }
631: }
1.18 albertel 632: }
1.83 albertel 633: return '';
1.1 albertel 634: }
635:
1.27 albertel 636: sub insert_foil {
1.83 albertel 637: return '
1.27 albertel 638: <foil name="" value="unused">
639: <startouttext />
640: <endouttext />
641: </foil>';
642: }
1.1 albertel 643: 1;
644: __END__
645:
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