Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.63

1.22      albertel    1: # The LearningOnline Network with CAPA
                      2: # mutliple choice style responses
1.31      albertel    3: #
1.63    ! albertel    4: # $Id: radiobuttonresponse.pm,v 1.62 2002/12/02 17:06:08 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: #
1.22      albertel   28: # 2/21 Guy
1.1       albertel   29: 
                     30: package Apache::radiobuttonresponse;
                     31: use strict;
1.42      albertel   32: use HTML::Entities();
1.1       albertel   33: 
1.36      harris41   34: BEGIN {
1.22      albertel   35:   &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
1.1       albertel   36: }
                     37: 
                     38: sub start_radiobuttonresponse {
1.22      albertel   39:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.26      albertel   40:   my $result;
1.3       albertel   41:   #when in a radiobutton response use these
1.22      albertel   42:   &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.26      albertel   43:   push (@Apache::lonxml::namespace,'radiobuttonresponse');
1.4       albertel   44:   my $id = &Apache::response::start_response($parstack,$safeeval);
1.58      albertel   45:   %Apache::hint::radiobutton=();
1.25      albertel   46:   if ($target eq 'meta') {
                     47:     $result=&Apache::response::meta_package_write('radiobuttonresponse');
1.26      albertel   48:   } elsif ($target eq 'edit' ) {
                     49:     $result.=&Apache::edit::start_table($token).
1.35      matthew    50: 	'<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
1.26      albertel   51: 	&Apache::edit::deletelist($target,$token)
1.35      matthew    52: 	."</td><td>&nbsp".&Apache::edit::end_row()
                     53:         .&Apache::edit::start_spanning_row();
                     54: 
1.47      albertel   55:     $result.=
                     56: 	&Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
                     57: 	&Apache::edit::select_arg('Randomize Foil Order','randomize',
                     58: 				  ['yes','no'],$token).
                     59:         &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
1.26      albertel   60:   } elsif ($target eq 'modified') {
                     61:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.47      albertel   62: 						 $safeeval,'max','randomize');
1.26      albertel   63:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38      sakharuk   64:   } elsif ($target eq 'tex') {
                     65:       $result .= '\begin{enumerate}';
1.25      albertel   66:   }
                     67:   return $result;
1.1       albertel   68: }
                     69: 
                     70: sub end_radiobuttonresponse {
1.26      albertel   71:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     72:   my $result;
                     73:   if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
1.38      sakharuk   74:   if ($target eq 'tex') { $result .= '\end{enumerate}'; }
1.22      albertel   75:   &Apache::response::end_response;
1.26      albertel   76:   pop @Apache::lonxml::namespace;
1.33      albertel   77:   &Apache::lonxml::deregister('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
1.26      albertel   78:   return $result;
1.1       albertel   79: }
                     80: 
1.43      albertel   81: %Apache::response::foilgroup=();
1.1       albertel   82: sub start_foilgroup {
1.56      sakharuk   83:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     84:   my $result;
1.43      albertel   85:   %Apache::response::foilgroup=();
1.22      albertel   86:   $Apache::radiobuttonresponse::conceptgroup=0;
                     87:   &Apache::response::setrandomnumber();
1.56      sakharuk   88:   if ($target eq 'tex' && $Apache::lonhomework::type eq 'exam') {
                     89:       $result.='\item[\textbf{'.$Apache::lonxml::counter.'}.]';
1.57      albertel   90:       &Apache::lonxml::increment_counter();
1.56      sakharuk   91:   }
                     92:   return $result;
1.5       albertel   93: }
                     94: 
1.15      albertel   95: sub storesurvey {
1.33      albertel   96:   if ( !defined($ENV{'form.submitted'})) { return ''; }
                     97:   my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
                     98:   &Apache::lonxml::debug("Here I am!:$response:");
                     99:   if ( $response !~ /[0-9]+/) { return ''; }
                    100:   my $id = $Apache::inputtags::response['-1'];
                    101:   my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
                    102:   my %responsehash;
                    103:   $responsehash{$whichfoils[$response]}=$response;
                    104:   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
                    105:   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
                    106:   &Apache::lonxml::debug("submitted a $response<br />\n");
1.22      albertel  107:   return '';
1.15      albertel  108: }
                    109: 
1.32      albertel  110: sub grade_response {
1.49      albertel  111:   my ($max,$randomize)=@_;
1.55      albertel  112:   #keep the random numbers the same must always call this
                    113:   my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.32      albertel  114:   if (!defined($ENV{'form.submitted'})) { return; }
                    115:   my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
                    116:   if ( $response !~ /[0-9]+/) { return; }
                    117:   my $part=$Apache::inputtags::part;
                    118:   my $id = $Apache::inputtags::response['-1'];
                    119:   my %responsehash;
                    120:   $responsehash{$whichfoils[$response]}=$response;
                    121:   my $responsestr=&Apache::lonnet::hash2str(%responsehash);
                    122:   my %previous=&Apache::response::check_for_previous($responsestr,
                    123: 						     $part,$id);
                    124:   $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    125:     $responsestr;
                    126:   &Apache::lonxml::debug("submitted a $response<br />\n");
                    127:   my $ad;
                    128:   if ($response == $answer) {
                    129:     $ad='EXACT_ANS';
                    130:   } else {
                    131:     $ad='INCORRECT';
                    132:   }
                    133:   $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    134:   &Apache::response::handle_previous(\%previous,$ad);
                    135: }
                    136: 
1.1       albertel  137: sub end_foilgroup {
1.22      albertel  138:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29      albertel  139: 
1.22      albertel  140:   my $result;
1.38      sakharuk  141:   if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.29      albertel  142:     my $style = $Apache::lonhomework::type;
1.22      albertel  143:     if ( $style eq 'survey' ) {
1.38      sakharuk  144:       if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.22      albertel  145: 	$result=&displayallfoils();
                    146:       } elsif ( $target eq 'grade' ) {
                    147: 	$result=&storesurvey();
                    148:       }
                    149:     } else {
                    150:       my $name;
1.49      albertel  151:       my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
1.47      albertel  152:       my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    153: 						 $safeeval,'-2');
1.38      sakharuk  154:       if ($target eq 'web' || $target eq 'tex') {
1.49      albertel  155: 	$result=&displayfoils($target,$max,$randomize);
1.28      albertel  156:       } elsif ($target eq 'answer' ) {
1.49      albertel  157: 	$result=&displayanswers($max,$randomize);
1.22      albertel  158:       } elsif ( $target eq 'grade') {
1.49      albertel  159: 	&grade_response($max,$randomize);
1.22      albertel  160:       }
1.5       albertel  161:     }
1.22      albertel  162:   }
                    163:   return $result;
1.6       albertel  164: }
                    165: 
                    166: sub getfoilcounts {
1.34      albertel  167:   my @names;
1.22      albertel  168:   my $truecnt=0;
                    169:   my $falsecnt=0;
                    170:   my $name;
1.34      albertel  171:   if ( $Apache::response::foilgroup{'names'} ) {
                    172:     @names= @{ $Apache::response::foilgroup{'names'} };
                    173:   }
1.22      albertel  174:   foreach $name (@names) {
                    175:     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    176:       $truecnt++;
                    177:     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    178:       $falsecnt++;
1.6       albertel  179:     }
1.22      albertel  180:   }
1.50      albertel  181:   return ($truecnt,$falsecnt);
1.5       albertel  182: }
                    183: 
1.15      albertel  184: sub displayallfoils {
1.22      albertel  185:   my $result;
                    186:   &Apache::lonxml::debug("survey style display");
                    187:   my @names = @{ $Apache::response::foilgroup{'names'} };
                    188:   my $temp=0;
                    189:   my $id=$Apache::inputtags::response['-1'];
                    190:   my $part=$Apache::inputtags::part;
                    191:   my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32      albertel  192:   my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.45      albertel  193:   if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/)  || ($Apache::inputtags::status[-1] eq  'SHOW_ANSWER')) {
                    194:     foreach my $name (@names) {
                    195:       if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
                    196: 	$result.="<br />".$Apache::response::foilgroup{$name.'.value'};
                    197: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    198: 	  $result.='<b>';
                    199: 	}
                    200: 	$result .= $Apache::response::foilgroup{$name.'.text'};
                    201: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    202: 	  $result.='</b>';
                    203: 	}
                    204:       }
                    205:     }
                    206:   } else {
                    207:     foreach my $name (@names) {
                    208:       if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
                    209: 	$result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
                    210: 	if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
                    211: 	$result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    212: 	$temp++;
                    213:       }
1.15      albertel  214:     }
1.22      albertel  215:   }
                    216:   return $result;
1.15      albertel  217: }
                    218: 
1.28      albertel  219: sub whichfoils {
1.49      albertel  220:   my ($max,$randomize)=@_;
1.28      albertel  221: 
1.22      albertel  222:   my @truelist;
                    223:   my @falselist;
1.41      albertel  224:   my @whichfalse =();
1.50      albertel  225:   my ($truecnt,$falsecnt) = &getfoilcounts();
1.49      albertel  226:   my $count=0;
                    227:   # we will add in 1 of the true statements
                    228:   if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
1.51      albertel  229:   my $answer=int(&Math::Random::random_uniform() * ($count));
1.49      albertel  230:   &Apache::lonxml::debug("Count is $count, $answer is $answer");
1.34      albertel  231:   my @names;
                    232:   if ( $Apache::response::foilgroup{'names'} ) {
1.49      albertel  233:       @names= @{ $Apache::response::foilgroup{'names'} };
1.34      albertel  234:   }
1.41      albertel  235:   if (&Apache::response::showallfoils()) {
1.49      albertel  236:       @whichfalse=@names;
1.48      albertel  237:   } elsif ($randomize eq 'no') {
1.47      albertel  238:       &Apache::lonxml::debug("No randomization");
                    239:       my $havetrue=0;
                    240:       foreach my $name (@names) {
                    241: 	  if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.49      albertel  242: 	      if (!$havetrue ) {
                    243: 		  push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
                    244: 	      }
1.47      albertel  245: 	  } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    246: 	      push (@whichfalse,$name);
                    247: 	  } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
                    248: 	  } else {
                    249: 	      &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
                    250: 	  }
                    251:       }
1.41      albertel  252:   } else {
1.49      albertel  253:     my $current=0;
                    254:     &Apache::lonhomework::showhash(%Apache::response::foilgroup);
                    255:     my (%top,%bottom);
                    256:     #first find out where everyone wants to be
1.41      albertel  257:     foreach my $name (@names) {
1.49      albertel  258: 	$current++;
                    259: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    260: 	    push (@truelist,$name);
                    261: 	    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
                    262: 		$top{$name}=$current;
                    263: 	    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
                    264: 		$bottom{$name}=$current;
                    265: 	    }
                    266: 	} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    267: 	    push (@falselist,$name);
                    268: 	    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
                    269: 		$top{$name}=$current;
                    270: 	    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
                    271: 		$bottom{$name}=$current;
                    272: 	    }
                    273: 	} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
                    274: 	} else {
                    275: 	    &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
                    276: 	}
1.41      albertel  277:     }
1.49      albertel  278:     #pick a true statement
1.51      albertel  279:     my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
1.41      albertel  280:     &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
1.49      albertel  281:     my (@toplist, @bottomlist);
                    282:     my $topcount=0;
                    283:     # assign everyone to either toplist/bottomlist or whichfalse
                    284:     # which false is randomized, toplist bottomlist are in order
1.63    ! albertel  285:     while ((($#whichfalse) < $max-2) && ($#falselist > -1)) {
1.49      albertel  286: 	&Apache::lonxml::debug("Have $#whichfalse max is $max");
1.51      albertel  287: 	my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
1.49      albertel  288: 	&Apache::lonxml::debug("From $#falselist elms, picking $afalse");
                    289: 	$afalse=splice(@falselist,$afalse,1);
                    290: 	&Apache::lonxml::debug("Picked $afalse");
                    291: 	&Apache::lonhomework::showhash(('names'=>\@names));
                    292: 	&Apache::lonhomework::showhash(%top);
                    293: 	if ($top{$afalse}) {
                    294: 	    $toplist[$top{$afalse}]=$afalse;
                    295: 	    $topcount++;
                    296: 	} elsif ($bottom{$afalse}) {
                    297: 	    $bottomlist[$bottom{$afalse}]=$afalse;
                    298: 	} else {
                    299: 	    push (@whichfalse,$afalse);
                    300: 	}
                    301:     }
                    302:     my $truename=$truelist[$whichtrue];
                    303:     my $dosplice=1;
                    304:     #insert the true statement, keeping track of where it wants to be
                    305:     if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' ) {
                    306: 	$toplist[$top{$truename}]=$truename;
                    307: 	$answer=-1;
                    308: 	foreach my $top (reverse(@toplist)) {
                    309: 	    if ($top) { $answer++;}
                    310: 	    if ($top eq $truename) { last; }
                    311: 	}
                    312: 	$dosplice=0;
                    313:     } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom') {
                    314: 	$bottomlist[$bottom{$truename}]=$truename;
                    315: 	$answer=-1;
                    316: 	foreach my $bot (@bottomlist) {
                    317: 	    if ($bot) { $answer++;}
                    318: 	    if ($bot eq $truename) { last; }
                    319: 	}
                    320: 	$answer+=$topcount+$#whichfalse+1;
                    321: 	$dosplice=0;
                    322:     } else {
1.51      albertel  323: 	if ($topcount>0) { 
                    324: 	  $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
                    325: 	    + $topcount;
                    326: 	}
1.49      albertel  327:     }
                    328:     #add the top items to the top, bottom items to the bottom
                    329:     for (my $i=0;$i<=$#toplist;$i++) {
                    330: 	if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
                    331:     }
                    332:     for (my $i=0;$i<=$#bottomlist;$i++) {
                    333: 	if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.3       albertel  334:     }
1.49      albertel  335:     #if the true statement is randomized insert it into the list
                    336:     if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.22      albertel  337:   }
1.49      albertel  338:   &Apache::lonxml::debug("Answer is $answer");
                    339:   return ($answer,@whichfalse);
1.28      albertel  340: }
                    341: 
                    342: sub displayfoils {
1.49      albertel  343:   my ($target,$max,$randomize)=@_;
1.28      albertel  344:   my $result;
                    345: 
1.49      albertel  346:   my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.62      albertel  347:   my $part=$Apache::inputtags::part;
                    348:   my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    349:   my $status=$Apache::inputtags::status[-1];
                    350:   if ( ($target ne 'tex') &&
                    351:        (($solved =~ /^correct/) || ($status eq  'SHOW_ANSWER')) ) {
1.28      albertel  352:     foreach my $name (@whichfoils) {
1.38      sakharuk  353:       if ($target ne 'tex') {
                    354: 	  $result.="<br />";
1.44      sakharuk  355:       } else {
1.61      sakharuk  356: 	  $result.='\item \vskip -2 mm  ';
1.38      sakharuk  357:       }
1.22      albertel  358:       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
1.60      sakharuk  359: 	  if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
1.22      albertel  360:       } else {
1.45      albertel  361: 	$result.='Incorrect:';
                    362:       }
1.46      sakharuk  363:       if ($target ne 'tex') {
                    364: 	  $result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    365:       } else {
                    366: 	  $result.=$Apache::response::foilgroup{$name.'.text'};
                    367:       }
1.45      albertel  368:       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.60      sakharuk  369: 	  if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
1.22      albertel  370:       }
1.10      albertel  371:     }
1.22      albertel  372:   } else {
1.56      sakharuk  373:     my @alphabet = ('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
                    374:     my $i = 0;
1.54      sakharuk  375:     my $temp=0;  
1.22      albertel  376:     my $id=$Apache::inputtags::response['-1'];
                    377:     my $part=$Apache::inputtags::part;
                    378:     my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32      albertel  379:     my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.28      albertel  380:     foreach my $name (@whichfoils) {
1.38      sakharuk  381:       if ($target ne 'tex') {
                    382: 	  $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
                    383: 	  if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
                    384: 	  $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
1.55      albertel  385: 	  if ($Apache::lonhomework::type eq 'exam') {
                    386: 	      $result .= '<table border="1"><tr><td>A: &nbsp;&nbsp;Correct</td><td>B: &nbsp;&nbsp;Incorrect</td></tr></table>';
                    387: 	  }
1.38      sakharuk  388:       } else {
1.54      sakharuk  389: 	  if ($Apache::lonhomework::type eq 'exam') {
1.58      albertel  390: 	      $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
1.56      sakharuk  391: 	      $i++;
                    392: 	  } else {
1.59      sakharuk  393: 	      $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
1.54      sakharuk  394: 	  }
1.38      sakharuk  395:       }
1.22      albertel  396:       $temp++;
1.10      albertel  397:     }
1.22      albertel  398:   }
1.44      sakharuk  399:   if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
1.39      albertel  400:   return $result;
1.14      albertel  401: }
                    402: 
1.28      albertel  403: sub displayanswers {
1.49      albertel  404:   my ($max,$randomize)=@_;
                    405:   my ($answer,@whichopt) = &whichfoils($max,$randomize);
1.28      albertel  406:   my $result=&Apache::response::answer_header('radiobuttonresponse');
                    407:   foreach my $name (@whichopt) {
                    408:     $result.=&Apache::response::answer_part('radiobuttonresponse',
                    409: 		     $Apache::response::foilgroup{$name.'.value'})
                    410:   }
                    411:   $result.=&Apache::response::answer_footer('radiobuttonresponse');
                    412:   return $result;
                    413: }
                    414: 
1.14      albertel  415: sub start_conceptgroup {
1.27      albertel  416:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.22      albertel  417:   $Apache::radiobuttonresponse::conceptgroup=1;
1.43      albertel  418:   %Apache::response::conceptgroup=();
1.26      albertel  419:   my $result;
                    420:   if ($target eq 'edit') {
                    421:     $result.=&Apache::edit::tag_start($target,$token);
                    422:     $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
1.35      matthew   423: 	&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.26      albertel  424:   } elsif ($target eq 'modified') {
                    425:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    426: 						 $safeeval,'concept');
                    427:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    428:   }
                    429:   return $result;
1.14      albertel  430: }
                    431: 
                    432: sub end_conceptgroup {
1.22      albertel  433:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    434:   $Apache::radiobuttonresponse::conceptgroup=0;
1.26      albertel  435:   my $result;
1.38      sakharuk  436:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {
1.27      albertel  437:     if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
                    438:       my @names = @{ $Apache::response::conceptgroup{'names'} };
1.51      albertel  439:       my $pick=int(&Math::Random::random_uniform() * ($#names+1));
1.27      albertel  440:       my $name=$names[$pick];
                    441:       push @{ $Apache::response::foilgroup{'names'} }, $name;
                    442:       $Apache::response::foilgroup{"$name.text"} =  $Apache::response::conceptgroup{"$name.text"};
                    443:       $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
1.49      albertel  444:       $Apache::response::foilgroup{"$name.location"} = $Apache::response::conceptgroup{"$name.location"};
1.27      albertel  445:       my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
                    446:       $Apache::response::foilgroup{"$name.concept"} = $concept;
                    447:       &Apache::lonxml::debug("Selecting $name in $concept");
1.58      albertel  448:       my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    449:       push(@{ $Apache::hint::radiobutton{"$part_id.concepts"} },$concept);
                    450:       $Apache::hint::radiobutton{"$part_id.concept.$concept"}=
                    451: 	  $Apache::response::conceptgroup{'names'};
1.27      albertel  452:     }
1.26      albertel  453:   } elsif ($target eq 'edit') {
                    454:     $result=&Apache::edit::end_table();
1.22      albertel  455:   }
1.26      albertel  456:   return $result;
                    457: }
                    458: 
                    459: sub insert_conceptgroup {
                    460:   my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    461:   return $result;
1.1       albertel  462: }
                    463: 
                    464: sub start_foil {
1.24      albertel  465:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    466:   my $result='';
1.38      sakharuk  467:   if ($target eq 'web' || $target eq 'tex') {
1.27      albertel  468:     &Apache::lonxml::startredirection;
                    469:   } elsif ($target eq 'edit') {
                    470:     $result=&Apache::edit::tag_start($target,$token);
                    471:     $result.=&Apache::edit::text_arg('Name:','name',$token);
1.42      albertel  472:     $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
1.28      albertel  473: 				       ['unused','true','false'],$token);
1.51      albertel  474:     my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    475: 					     $safeeval,'-3');
1.53      albertel  476:     if ($randomize ne 'no') {
1.51      albertel  477:       $result.=&Apache::edit::select_arg('Location:','location',
1.52      albertel  478: 					 ['random','top','bottom'],$token);
1.51      albertel  479:     }
1.35      matthew   480:     $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.27      albertel  481:   } elsif ($target eq 'modified') {
                    482:      my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
1.48      albertel  483: 						  'value','name','location');
1.27      albertel  484:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38      sakharuk  485:   } 
1.27      albertel  486:   return $result;
1.1       albertel  487: }
                    488: 
                    489: sub end_foil {
1.22      albertel  490:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    491:   my $text='';
1.38      sakharuk  492:   if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
                    493:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {
1.19      albertel  494:     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.18      albertel  495:     if ($value ne 'unused') {
1.19      albertel  496:       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.48      albertel  497:       my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.27      albertel  498:       if (!$name) { $name=$Apache::lonxml::curdepth; }
1.41      albertel  499:       if ( $Apache::radiobuttonresponse::conceptgroup
                    500: 	   && !&Apache::response::showallfoils() ) {
1.18      albertel  501: 	push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    502: 	$Apache::response::conceptgroup{"$name.value"} = $value;
                    503: 	$Apache::response::conceptgroup{"$name.text"} = $text;	
1.48      albertel  504: 	$Apache::response::conceptgroup{"$name.location"} = $location;	
1.18      albertel  505:       } else {
                    506: 	push @{ $Apache::response::foilgroup{'names'} }, $name;
                    507: 	$Apache::response::foilgroup{"$name.value"} = $value;
                    508: 	$Apache::response::foilgroup{"$name.text"} = $text;
1.48      albertel  509: 	$Apache::response::foilgroup{"$name.location"} = $location;
1.18      albertel  510:       }
                    511:     }
1.4       albertel  512:   }
1.1       albertel  513:   return '';
                    514: }
                    515: 
1.27      albertel  516: sub insert_foil {
                    517:   return '
                    518: <foil name="" value="unused">
                    519: <startouttext />
                    520: <endouttext />
                    521: </foil>';
                    522: }
1.1       albertel  523: 1;
                    524: __END__
                    525:  

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