Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.114
1.22 albertel 1: # The LearningOnline Network with CAPA
2: # mutliple choice style responses
1.31 albertel 3: #
1.114 ! albertel 4: # $Id: radiobuttonresponse.pm,v 1.113 2007/03/27 19:20:49 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: }
1.111 albertel 209: $Apache::lonxml::post_evaluate=0;
1.83 albertel 210: }
1.114 ! albertel 211: if ($target eq 'web') {
! 212: &Apache::response::setup_prior_tries_hash(\&format_prior_answer,
! 213: [\%Apache::response::foilgroup]);
! 214: }
! 215:
1.89 albertel 216: &Apache::response::poprandomnumber();
1.83 albertel 217: &Apache::lonxml::increment_counter();
218: return $result;
1.6 albertel 219: }
220:
221: sub getfoilcounts {
1.83 albertel 222: my @names;
223: my $truecnt=0;
224: my $falsecnt=0;
225: my $name;
226: if ( $Apache::response::foilgroup{'names'} ) {
227: @names= @{ $Apache::response::foilgroup{'names'} };
1.6 albertel 228: }
1.83 albertel 229: foreach $name (@names) {
230: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
231: $truecnt++;
232: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
233: $falsecnt++;
234: }
235: }
236: return ($truecnt,$falsecnt);
1.5 albertel 237: }
238:
1.114 ! albertel 239: sub format_prior_answer {
! 240: my ($mode,$answer,$other_data) = @_;
! 241: my $foil_data = $other_data->[0];
! 242: my %response = &Apache::lonnet::str2hash($answer);
! 243: my ($name) = keys(%response);
! 244: return '<span class="LC_prior_radiobutton">'.
! 245: $foil_data->{$name.'.text'}.'</span>';
! 246:
1.112 albertel 247: }
248:
1.15 albertel 249: sub displayallfoils {
1.110 foxr 250: my ($direction, $target)=@_;
1.83 albertel 251: my $result;
252: &Apache::lonxml::debug("survey style display");
1.106 albertel 253: my @names;
254: if ( $Apache::response::foilgroup{'names'} ) {
255: @names= @{ $Apache::response::foilgroup{'names'} };
256: }
1.83 albertel 257: my $temp=0;
1.110 foxr 258: my $i =0;
1.83 albertel 259: my $id=$Apache::inputtags::response['-1'];
260: my $part=$Apache::inputtags::part;
261: my $lastresponse=
262: $Apache::lonhomework::history{"resource.$part.$id.submission"};
1.93 albertel 263: if ($direction eq 'horizontal') { $result.='<table><tr>'; }
1.83 albertel 264: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
265: if (&Apache::response::show_answer() ) {
266: foreach my $name (@names) {
267: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.110 foxr 268: if (($direction eq 'horizontal') && ($target ne 'tex')) {
1.93 albertel 269: $result.="<td>";
270: } else {
1.110 foxr 271: if ($target eq 'tex') {
272: $result .= '\item \vskip -2mm ';
273: } else {
274: $result.="<br />";
275: }
1.93 albertel 276: }
1.84 albertel 277: if (defined($lastresponse{$name})) {
1.110 foxr 278: if ($target eq 'tex') {
279: $result .= '}';
280: } else {
281: $result.='<b>';
282: }
1.83 albertel 283: }
284: $result .= $Apache::response::foilgroup{$name.'.text'};
1.110 foxr 285: if (defined($lastresponse{$name}) && ($target ne 'tex')) {
1.83 albertel 286: $result.='</b>';
287: }
1.110 foxr 288: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
1.83 albertel 289: }
1.45 albertel 290: }
1.83 albertel 291: } else {
292: foreach my $name (@names) {
293: if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
1.93 albertel 294: if ($direction eq 'horizontal') {
295: $result.="<td>";
296: } else {
1.110 foxr 297: if ($target eq 'tex') {
298: $result .= '\item \vskip -2mm ';
299: } else {
300: $result.="<br />";
301: }
302: }
303: if ($target eq 'tex') {
304: $result .= '$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
305: $i++;
306: } else {
307: $result .= '<label>';
1.113 albertel 308: $result.="<input
309: onchange=\"javascript:setSubmittedPart('$part');\"
310: type=\"radio\"
311: name=\"HWVAL_$Apache::inputtags::response['-1']\"
312: value=\"$temp\" ";
1.110 foxr 313: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
314: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}.
315: '</label>';
1.93 albertel 316: }
1.83 albertel 317: $temp++;
1.110 foxr 318: if ($target ne 'tex') {
319: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.="</td>"; }
320: } else {
321: $result.='\vskip 0 mm ';
322: }
1.83 albertel 323: }
1.45 albertel 324: }
325: }
1.110 foxr 326: if (($direction eq 'horizontal') && ($target ne 'tex')) { $result.='</tr></table>'; }
1.83 albertel 327: return $result;
1.15 albertel 328: }
329:
1.28 albertel 330: sub whichfoils {
1.83 albertel 331: my ($max,$randomize)=@_;
1.28 albertel 332:
1.83 albertel 333: my @truelist;
334: my @falselist;
335: my @whichfalse =();
336: my ($truecnt,$falsecnt) = &getfoilcounts();
337: my $count=0;
338: # we will add in 1 of the true statements
1.104 albertel 339: if ( $max>0 && ($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; $max=$count; }
1.83 albertel 340: my $answer=int(&Math::Random::random_uniform() * ($count));
341: &Apache::lonxml::debug("Count is $count, $answer is $answer");
342: my @names;
343: if ( $Apache::response::foilgroup{'names'} ) {
344: @names= @{ $Apache::response::foilgroup{'names'} };
345: }
346: if (&Apache::response::showallfoils()) {
347: @whichfalse=@names;
348: } elsif ($randomize eq 'no') {
349: &Apache::lonxml::debug("No randomization");
350: my $havetrue=0;
351: foreach my $name (@names) {
352: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
353: if (!$havetrue ) {
354: push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
355: }
356: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
357: push (@whichfalse,$name);
358: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
359: } else {
1.87 albertel 360: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 361: }
362: }
1.97 albertel 363: if (!$havetrue && $Apache::lonhomework::type ne 'survey') {
364: &Apache::lonxml::error("There are no true statements available.<br />");
365: }
1.83 albertel 366: } else {
367: my $current=0;
368: &Apache::lonhomework::showhash(%Apache::response::foilgroup);
369: my (%top,%bottom);
370: #first find out where everyone wants to be
371: foreach my $name (@names) {
372: $current++;
373: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
374: push (@truelist,$name);
375: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
376: $top{$name}=$current;
377: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
378: $bottom{$name}=$current;
379: }
380: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
381: push (@falselist,$name);
382: if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
383: $top{$name}=$current;
384: } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
385: $bottom{$name}=$current;
386: }
387: } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
388: } else {
1.87 albertel 389: &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>",'<>&"'));
1.83 albertel 390: }
391: }
392: #pick a true statement
393: my $notrue=0;
394: if (scalar(@truelist) == 0) { $notrue=1; }
395: my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
396: &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
397: my (@toplist, @bottomlist);
398: my $topcount=0;
399: my $bottomcount=0;
400: # assign everyone to either toplist/bottomlist or whichfalse
401: # which false is randomized, toplist bottomlist are in order
402: while ((($#whichfalse+$topcount+$bottomcount) < $max-2) && ($#falselist > -1)) {
403: &Apache::lonxml::debug("Have $#whichfalse max is $max");
404: my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
405: &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
406: $afalse=splice(@falselist,$afalse,1);
407: &Apache::lonxml::debug("Picked $afalse");
408: &Apache::lonhomework::showhash(('names'=>\@names));
409: &Apache::lonhomework::showhash(%top);
410: if ($top{$afalse}) {
411: $toplist[$top{$afalse}]=$afalse;
412: $topcount++;
413: } elsif ($bottom{$afalse}) {
414: $bottomlist[$bottom{$afalse}]=$afalse;
415: $bottomcount++;
416: } else {
417: push (@whichfalse,$afalse);
418: }
419: }
420: &Apache::lonxml::debug("Answer wants $answer");
421: my $truename=$truelist[$whichtrue];
422: my $dosplice=1;
423: if ($notrue && $Apache::lonhomework::type ne 'survey') {
424: $dosplice=0;
425: &Apache::lonxml::error("There are no true statements available.<br />");
426: }
427: #insert the true statement, keeping track of where it wants to be
428: if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' && $dosplice) {
429: $toplist[$top{$truename}]=$truename;
430: $answer=-1;
431: foreach my $top (reverse(@toplist)) {
432: if ($top) { $answer++;}
433: if ($top eq $truename) { last; }
1.49 albertel 434: }
1.83 albertel 435: $dosplice=0;
436: } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom' && $dosplice) {
437: $bottomlist[$bottom{$truename}]=$truename;
438: $answer=-1;
439: foreach my $bot (@bottomlist) {
440: if ($bot) { $answer++;}
441: if ($bot eq $truename) { last; }
1.49 albertel 442: }
1.83 albertel 443: $answer+=$topcount+$#whichfalse+1;
444: $dosplice=0;
1.49 albertel 445: } else {
1.83 albertel 446: if ($topcount>0 || $bottomcount>0) {
447: $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
448: + $topcount;
449: }
450: }
451: &Apache::lonxml::debug("Answer now wants $answer");
452: #add the top items to the top, bottom items to the bottom
453: for (my $i=0;$i<=$#toplist;$i++) {
454: if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
1.49 albertel 455: }
1.83 albertel 456: for (my $i=0;$i<=$#bottomlist;$i++) {
457: if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.49 albertel 458: }
1.83 albertel 459: #if the true statement is randomized insert it into the list
460: if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.49 albertel 461: }
1.83 albertel 462: &Apache::lonxml::debug("Answer is $answer");
463: return ($answer,@whichfalse);
1.28 albertel 464: }
465:
466: sub displayfoils {
1.90 albertel 467: my ($target,$max,$randomize,$direction)=@_;
1.83 albertel 468: my $result;
1.28 albertel 469:
1.83 albertel 470: my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.22 albertel 471: my $part=$Apache::inputtags::part;
1.83 albertel 472: my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
473: if ( ($target ne 'tex') &&
474: &Apache::response::show_answer() ) {
1.90 albertel 475: if ($direction eq 'horizontal') {
476: if ($target ne 'tex') {
477: $result.='<table><tr>';
478: }
479: }
1.83 albertel 480: foreach my $name (@whichfoils) {
1.90 albertel 481: if ($direction eq 'horizontal') {
482: if ($target ne 'tex') { $result.='<td>'; }
483: }
1.83 albertel 484: if ($target ne 'tex') {
485: $result.="<br />";
486: } else {
487: $result.='\item \vskip -2 mm ';
488: }
489: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
490: if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
491: } else {
492: $result.='Incorrect:';
493: }
1.94 matthew 494: if ($target eq 'web') { $result.="<label>"; }
1.90 albertel 495: $result.=$Apache::response::foilgroup{$name.'.text'};
1.94 matthew 496: if ($target eq 'web') { $result.="</label>"; }
1.83 albertel 497: if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
498: if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
499: }
1.90 albertel 500: if ($direction eq 'horizontal') {
501: if ($target ne 'tex') { $result.='</td>'; }
502: }
503: }
504: if ($direction eq 'horizontal') {
505: if ($target ne 'tex') {
506: $result.='</tr></table>';
507: }
1.83 albertel 508: }
509: } else {
510: my @alphabet = ('A'..'Z');
511: my $i = 0;
512: my $temp=0;
513: my $id=$Apache::inputtags::response['-1'];
514: my $part=$Apache::inputtags::part;
515: my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
516: my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.90 albertel 517: if ($target ne 'tex' && $direction eq 'horizontal') {
518: $result.="<table><tr>";
519: }
1.83 albertel 520: foreach my $name (@whichfoils) {
521: if ($target ne 'tex') {
1.90 albertel 522: if ($direction eq 'horizontal') {
523: $result.="<td>";
524: } else {
525: $result.="<br />";
526: }
527: }
528: if ($target ne 'tex') {
1.94 matthew 529: $result.= '<label>';
1.113 albertel 530: $result.=
531: "<input type=\"radio\"
532: onchange=\"javascript:setSubmittedPart('$part');\"
533: name=\"HWVAL_$Apache::inputtags::response['-1']\"
534: value=\"$temp\" ";
1.83 albertel 535: if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
1.108 albertel 536: $result .= ' />'.$Apache::response::foilgroup{$name.'.text'}."</label>";
1.83 albertel 537: } else {
538: if ($Apache::lonhomework::type eq 'exam') {
539: $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\'; #' stupid emacs
540: $i++;
541: } else {
542: $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
543: }
544: }
1.90 albertel 545: if ($target ne 'tex' && $direction eq 'horizontal') {
546: $result.="</td>";
547: }
1.83 albertel 548: $temp++;
549: }
1.90 albertel 550: if ($target ne 'tex' && $direction eq 'horizontal') {
551: $result.="</tr></table>";
552: }
1.83 albertel 553: }
1.92 albertel 554: if ($target ne 'tex') { if ($direction ne 'horizontal') { $result.="<br />";} } else { $result.='\vskip 0 mm '; }
1.83 albertel 555: return $result;
1.81 albertel 556: }
557:
558: sub displayallanswers {
1.106 albertel 559: my @names;
560: if ( $Apache::response::foilgroup{'names'} ) {
561: @names= @{ $Apache::response::foilgroup{'names'} };
562: }
1.81 albertel 563:
564: my $result=&Apache::response::answer_header('radiobuttonresponse');
565: foreach my $name (@names) {
566: $result.=&Apache::response::answer_part('radiobuttonresponse',
567: $Apache::response::foilgroup{$name.'.value'});
568: }
569: $result.=&Apache::response::answer_footer('radiobuttonresponse');
570: return $result;
1.14 albertel 571: }
572:
1.28 albertel 573: sub displayanswers {
1.83 albertel 574: my ($max,$randomize)=@_;
575: my ($answer,@whichopt) = &whichfoils($max,$randomize);
576: my $result=&Apache::response::answer_header('radiobuttonresponse');
1.105 albertel 577: if ($Apache::lonhomework::type eq 'exam') {
578: my $correct = ('A'..'Z')[$answer];
579: $result.=&Apache::response::answer_part('radiobuttonresponse',
580: $correct);
581: }
1.83 albertel 582: foreach my $name (@whichopt) {
583: $result.=&Apache::response::answer_part('radiobuttonresponse',
1.105 albertel 584: $Apache::response::foilgroup{$name.'.value'});
585: }
1.83 albertel 586: $result.=&Apache::response::answer_footer('radiobuttonresponse');
587: return $result;
1.28 albertel 588: }
589:
1.14 albertel 590: sub start_conceptgroup {
1.83 albertel 591: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
592: $Apache::radiobuttonresponse::conceptgroup=1;
593: %Apache::response::conceptgroup=();
594: my $result;
595: if ($target eq 'edit') {
596: $result.=&Apache::edit::tag_start($target,$token);
597: $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
598: &Apache::edit::end_row().&Apache::edit::start_spanning_row();
599: } elsif ($target eq 'modified') {
600: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
601: $safeeval,'concept');
602: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
603: }
604: return $result;
1.14 albertel 605: }
606:
607: sub end_conceptgroup {
1.83 albertel 608: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
609: $Apache::radiobuttonresponse::conceptgroup=0;
610: my $result;
611: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
612: $target eq 'tex' || $target eq 'analyze') {
613: &Apache::response::pick_foil_for_concept($target,
614: ['value','text','location'],
615: \%Apache::hint::radiobutton,
616: $parstack,$safeeval);
617: } elsif ($target eq 'edit') {
618: $result=&Apache::edit::end_table();
619: }
620: return $result;
1.26 albertel 621: }
622:
623: sub insert_conceptgroup {
1.83 albertel 624: my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
625: return $result;
1.1 albertel 626: }
627:
628: sub start_foil {
1.83 albertel 629: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
630: my $result='';
631: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
632: &Apache::lonxml::startredirection;
1.95 albertel 633: if ($target eq 'analyze') {
634: &Apache::response::check_if_computed($token,$parstack,$safeeval,'value');
635: }
1.83 albertel 636: } elsif ($target eq 'edit') {
637: $result=&Apache::edit::tag_start($target,$token);
638: $result.=&Apache::edit::text_arg('Name:','name',$token);
639: $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
640: ['unused','true','false'],
641: $token);
642: my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
643: $safeeval,'-3');
644: if ($randomize ne 'no') {
645: $result.=&Apache::edit::select_arg('Location:','location',
646: ['random','top','bottom'],$token);
647: }
648: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
649: } elsif ($target eq 'modified') {
650: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
651: $safeeval,'value','name',
652: 'location');
653: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
654: }
655: return $result;
1.1 albertel 656: }
657:
658: sub end_foil {
1.83 albertel 659: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
660: my $text='';
661: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
662: $text=&Apache::lonxml::endredirection;
663: }
1.85 albertel 664: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'
665: || $target eq 'tex' || $target eq 'analyze') {
1.83 albertel 666: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
667: if ($value ne 'unused') {
668: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.102 albertel 669: if ($name eq "") {
1.101 albertel 670: &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
1.98 albertel 671: $name=$Apache::lonxml::curdepth;
672: }
1.85 albertel 673: if (defined($Apache::response::foilnames{$name})) {
674: &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
675: }
1.86 albertel 676: $Apache::response::foilnames{$name}++;
1.85 albertel 677: my $location =&Apache::lonxml::get_param('location',$parstack,
678: $safeeval);
1.83 albertel 679: if ( $Apache::radiobuttonresponse::conceptgroup
680: && !&Apache::response::showallfoils() ) {
681: push @{ $Apache::response::conceptgroup{'names'} }, $name;
682: $Apache::response::conceptgroup{"$name.value"} = $value;
683: $Apache::response::conceptgroup{"$name.text"} = $text;
684: $Apache::response::conceptgroup{"$name.location"} = $location;
685: } else {
686: push @{ $Apache::response::foilgroup{'names'} }, $name;
687: $Apache::response::foilgroup{"$name.value"} = $value;
688: $Apache::response::foilgroup{"$name.text"} = $text;
689: $Apache::response::foilgroup{"$name.location"} = $location;
690: }
691: }
1.18 albertel 692: }
1.83 albertel 693: return '';
1.1 albertel 694: }
695:
1.27 albertel 696: sub insert_foil {
1.83 albertel 697: return '
1.27 albertel 698: <foil name="" value="unused">
699: <startouttext />
700: <endouttext />
701: </foil>';
702: }
1.1 albertel 703: 1;
704: __END__
705:
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