Annotation of loncom/homework/radiobuttonresponse.pm, revision 1.67

1.22      albertel    1: # The LearningOnline Network with CAPA
                      2: # mutliple choice style responses
1.31      albertel    3: #
1.67    ! albertel    4: # $Id: radiobuttonresponse.pm,v 1.66 2003/04/04 23:37:04 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.'}.]';
                     90:   }
                     91:   return $result;
1.5       albertel   92: }
                     93: 
1.15      albertel   94: sub storesurvey {
1.33      albertel   95:   if ( !defined($ENV{'form.submitted'})) { return ''; }
                     96:   my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
                     97:   &Apache::lonxml::debug("Here I am!:$response:");
                     98:   if ( $response !~ /[0-9]+/) { return ''; }
                     99:   my $id = $Apache::inputtags::response['-1'];
                    100:   my @whichfoils=@{ $Apache::response::foilgroup{'names'} };
                    101:   my %responsehash;
                    102:   $responsehash{$whichfoils[$response]}=$response;
                    103:   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=&Apache::lonnet::hash2str(%responsehash);
                    104:   $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
                    105:   &Apache::lonxml::debug("submitted a $response<br />\n");
1.22      albertel  106:   return '';
1.15      albertel  107: }
                    108: 
1.32      albertel  109: sub grade_response {
1.49      albertel  110:   my ($max,$randomize)=@_;
1.55      albertel  111:   #keep the random numbers the same must always call this
                    112:   my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.32      albertel  113:   if (!defined($ENV{'form.submitted'})) { return; }
1.65      albertel  114:   my $response;
                    115:   if ($ENV{'form.submitted'} eq 'scantron') {
                    116:       my %let_to_num=('A'=>0,'B'=>1,'C'=>2,'D'=>3,'E'=>4,'F'=>5,'G'=>6,
                    117: 		      'H'=>7,'I'=>8,'J'=>9,'K'=>10,'L'=>11,'M'=>12,'N'=>13,
                    118: 		      'O'=>14,'P'=>15,'Q'=>16,'R'=>17,'S'=>18,'T'=>19,'U'=>20,
                    119: 		      'V'=>21,'W'=>22,'X'=>23,'Y'=>24,'Z'=>25);
                    120:       $response = $ENV{'scantron.'.$Apache::lonxml::counter.'.answer'};
                    121:       $response = $let_to_num{$response};
                    122:   } else {
                    123:       $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
                    124:   }
1.32      albertel  125:   if ( $response !~ /[0-9]+/) { return; }
                    126:   my $part=$Apache::inputtags::part;
                    127:   my $id = $Apache::inputtags::response['-1'];
                    128:   my %responsehash;
                    129:   $responsehash{$whichfoils[$response]}=$response;
                    130:   my $responsestr=&Apache::lonnet::hash2str(%responsehash);
                    131:   my %previous=&Apache::response::check_for_previous($responsestr,
                    132: 						     $part,$id);
                    133:   $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    134:     $responsestr;
                    135:   &Apache::lonxml::debug("submitted a $response<br />\n");
                    136:   my $ad;
                    137:   if ($response == $answer) {
                    138:     $ad='EXACT_ANS';
                    139:   } else {
                    140:     $ad='INCORRECT';
                    141:   }
                    142:   $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    143:   &Apache::response::handle_previous(\%previous,$ad);
                    144: }
                    145: 
1.1       albertel  146: sub end_foilgroup {
1.22      albertel  147:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.29      albertel  148: 
1.22      albertel  149:   my $result;
1.38      sakharuk  150:   if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.29      albertel  151:     my $style = $Apache::lonhomework::type;
1.22      albertel  152:     if ( $style eq 'survey' ) {
1.38      sakharuk  153:       if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.22      albertel  154: 	$result=&displayallfoils();
                    155:       } elsif ( $target eq 'grade' ) {
                    156: 	$result=&storesurvey();
                    157:       }
                    158:     } else {
                    159:       my $name;
1.49      albertel  160:       my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
1.47      albertel  161:       my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                    162: 						 $safeeval,'-2');
1.38      sakharuk  163:       if ($target eq 'web' || $target eq 'tex') {
1.49      albertel  164: 	$result=&displayfoils($target,$max,$randomize);
1.28      albertel  165:       } elsif ($target eq 'answer' ) {
1.49      albertel  166: 	$result=&displayanswers($max,$randomize);
1.22      albertel  167:       } elsif ( $target eq 'grade') {
1.49      albertel  168: 	&grade_response($max,$randomize);
1.22      albertel  169:       }
1.5       albertel  170:     }
1.65      albertel  171:   }
1.67    ! albertel  172:   &Apache::lonxml::increment_counter();
1.22      albertel  173:   return $result;
1.6       albertel  174: }
                    175: 
                    176: sub getfoilcounts {
1.34      albertel  177:   my @names;
1.22      albertel  178:   my $truecnt=0;
                    179:   my $falsecnt=0;
                    180:   my $name;
1.34      albertel  181:   if ( $Apache::response::foilgroup{'names'} ) {
                    182:     @names= @{ $Apache::response::foilgroup{'names'} };
                    183:   }
1.22      albertel  184:   foreach $name (@names) {
                    185:     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    186:       $truecnt++;
                    187:     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    188:       $falsecnt++;
1.6       albertel  189:     }
1.22      albertel  190:   }
1.50      albertel  191:   return ($truecnt,$falsecnt);
1.5       albertel  192: }
                    193: 
1.15      albertel  194: sub displayallfoils {
1.22      albertel  195:   my $result;
                    196:   &Apache::lonxml::debug("survey style display");
                    197:   my @names = @{ $Apache::response::foilgroup{'names'} };
                    198:   my $temp=0;
                    199:   my $id=$Apache::inputtags::response['-1'];
                    200:   my $part=$Apache::inputtags::part;
                    201:   my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32      albertel  202:   my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.45      albertel  203:   if (($Apache::lonhomework::history{"resource.$part.solved"} =~ /^correct/)  || ($Apache::inputtags::status[-1] eq  'SHOW_ANSWER')) {
                    204:     foreach my $name (@names) {
                    205:       if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
                    206: 	$result.="<br />".$Apache::response::foilgroup{$name.'.value'};
                    207: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    208: 	  $result.='<b>';
                    209: 	}
                    210: 	$result .= $Apache::response::foilgroup{$name.'.text'};
                    211: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    212: 	  $result.='</b>';
                    213: 	}
                    214:       }
                    215:     }
                    216:   } else {
                    217:     foreach my $name (@names) {
                    218:       if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
                    219: 	$result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
                    220: 	if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
                    221: 	$result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    222: 	$temp++;
                    223:       }
1.15      albertel  224:     }
1.22      albertel  225:   }
                    226:   return $result;
1.15      albertel  227: }
                    228: 
1.28      albertel  229: sub whichfoils {
1.49      albertel  230:   my ($max,$randomize)=@_;
1.28      albertel  231: 
1.22      albertel  232:   my @truelist;
                    233:   my @falselist;
1.41      albertel  234:   my @whichfalse =();
1.50      albertel  235:   my ($truecnt,$falsecnt) = &getfoilcounts();
1.49      albertel  236:   my $count=0;
                    237:   # we will add in 1 of the true statements
                    238:   if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
1.51      albertel  239:   my $answer=int(&Math::Random::random_uniform() * ($count));
1.49      albertel  240:   &Apache::lonxml::debug("Count is $count, $answer is $answer");
1.34      albertel  241:   my @names;
                    242:   if ( $Apache::response::foilgroup{'names'} ) {
1.49      albertel  243:       @names= @{ $Apache::response::foilgroup{'names'} };
1.34      albertel  244:   }
1.41      albertel  245:   if (&Apache::response::showallfoils()) {
1.49      albertel  246:       @whichfalse=@names;
1.48      albertel  247:   } elsif ($randomize eq 'no') {
1.47      albertel  248:       &Apache::lonxml::debug("No randomization");
                    249:       my $havetrue=0;
                    250:       foreach my $name (@names) {
                    251: 	  if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.49      albertel  252: 	      if (!$havetrue ) {
                    253: 		  push(@whichfalse,$name); $havetrue++; $answer=$#whichfalse;
                    254: 	      }
1.47      albertel  255: 	  } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    256: 	      push (@whichfalse,$name);
                    257: 	  } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
                    258: 	  } else {
                    259: 	      &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
                    260: 	  }
                    261:       }
1.41      albertel  262:   } else {
1.49      albertel  263:     my $current=0;
                    264:     &Apache::lonhomework::showhash(%Apache::response::foilgroup);
                    265:     my (%top,%bottom);
                    266:     #first find out where everyone wants to be
1.41      albertel  267:     foreach my $name (@names) {
1.49      albertel  268: 	$current++;
                    269: 	if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
                    270: 	    push (@truelist,$name);
                    271: 	    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
                    272: 		$top{$name}=$current;
                    273: 	    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
                    274: 		$bottom{$name}=$current;
                    275: 	    }
                    276: 	} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
                    277: 	    push (@falselist,$name);
                    278: 	    if ($Apache::response::foilgroup{$name.'.location'} eq 'top') {
                    279: 		$top{$name}=$current;
                    280: 	    } elsif ($Apache::response::foilgroup{$name.'.location'} eq 'bottom') {
                    281: 		$bottom{$name}=$current;
                    282: 	    }
                    283: 	} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
                    284: 	} else {
                    285: 	    &Apache::lonxml::error(&HTML::Entities::encode("No valid value assigned ($Apache::response::foilgroup{$name.'.value'}) for foil $name in <foilgroup>"));
                    286: 	}
1.41      albertel  287:     }
1.49      albertel  288:     #pick a true statement
1.51      albertel  289:     my $whichtrue = int(&Math::Random::random_uniform() * ($#truelist+1));
1.41      albertel  290:     &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
1.49      albertel  291:     my (@toplist, @bottomlist);
                    292:     my $topcount=0;
                    293:     # assign everyone to either toplist/bottomlist or whichfalse
                    294:     # which false is randomized, toplist bottomlist are in order
1.63      albertel  295:     while ((($#whichfalse) < $max-2) && ($#falselist > -1)) {
1.49      albertel  296: 	&Apache::lonxml::debug("Have $#whichfalse max is $max");
1.51      albertel  297: 	my $afalse=int(&Math::Random::random_uniform() * ($#falselist+1));
1.49      albertel  298: 	&Apache::lonxml::debug("From $#falselist elms, picking $afalse");
                    299: 	$afalse=splice(@falselist,$afalse,1);
                    300: 	&Apache::lonxml::debug("Picked $afalse");
                    301: 	&Apache::lonhomework::showhash(('names'=>\@names));
                    302: 	&Apache::lonhomework::showhash(%top);
                    303: 	if ($top{$afalse}) {
                    304: 	    $toplist[$top{$afalse}]=$afalse;
                    305: 	    $topcount++;
                    306: 	} elsif ($bottom{$afalse}) {
                    307: 	    $bottomlist[$bottom{$afalse}]=$afalse;
                    308: 	} else {
                    309: 	    push (@whichfalse,$afalse);
                    310: 	}
                    311:     }
                    312:     my $truename=$truelist[$whichtrue];
                    313:     my $dosplice=1;
                    314:     #insert the true statement, keeping track of where it wants to be
                    315:     if ($Apache::response::foilgroup{$truename.'.location'} eq 'top' ) {
                    316: 	$toplist[$top{$truename}]=$truename;
                    317: 	$answer=-1;
                    318: 	foreach my $top (reverse(@toplist)) {
                    319: 	    if ($top) { $answer++;}
                    320: 	    if ($top eq $truename) { last; }
                    321: 	}
                    322: 	$dosplice=0;
                    323:     } elsif ($Apache::response::foilgroup{$truename.'.location'} eq 'bottom') {
                    324: 	$bottomlist[$bottom{$truename}]=$truename;
                    325: 	$answer=-1;
                    326: 	foreach my $bot (@bottomlist) {
                    327: 	    if ($bot) { $answer++;}
                    328: 	    if ($bot eq $truename) { last; }
                    329: 	}
                    330: 	$answer+=$topcount+$#whichfalse+1;
                    331: 	$dosplice=0;
                    332:     } else {
1.51      albertel  333: 	if ($topcount>0) { 
                    334: 	  $answer = int(&Math::Random::random_uniform() * ($#whichfalse+1))
                    335: 	    + $topcount;
                    336: 	}
1.49      albertel  337:     }
                    338:     #add the top items to the top, bottom items to the bottom
                    339:     for (my $i=0;$i<=$#toplist;$i++) {
                    340: 	if ($toplist[$i]) { unshift(@whichfalse,$toplist[$i]) }
                    341:     }
                    342:     for (my $i=0;$i<=$#bottomlist;$i++) {
                    343: 	if ($bottomlist[$i]) { push(@whichfalse,$bottomlist[$i]) }
1.3       albertel  344:     }
1.49      albertel  345:     #if the true statement is randomized insert it into the list
                    346:     if ($dosplice) { splice(@whichfalse,$answer,0,$truelist[$whichtrue]); }
1.22      albertel  347:   }
1.49      albertel  348:   &Apache::lonxml::debug("Answer is $answer");
                    349:   return ($answer,@whichfalse);
1.28      albertel  350: }
                    351: 
                    352: sub displayfoils {
1.49      albertel  353:   my ($target,$max,$randomize)=@_;
1.28      albertel  354:   my $result;
                    355: 
1.49      albertel  356:   my ($answer,@whichfoils)=&whichfoils($max,$randomize);
1.62      albertel  357:   my $part=$Apache::inputtags::part;
                    358:   my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    359:   my $status=$Apache::inputtags::status[-1];
                    360:   if ( ($target ne 'tex') &&
                    361:        (($solved =~ /^correct/) || ($status eq  'SHOW_ANSWER')) ) {
1.28      albertel  362:     foreach my $name (@whichfoils) {
1.38      sakharuk  363:       if ($target ne 'tex') {
                    364: 	  $result.="<br />";
1.44      sakharuk  365:       } else {
1.61      sakharuk  366: 	  $result.='\item \vskip -2 mm  ';
1.38      sakharuk  367:       }
1.22      albertel  368:       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
1.60      sakharuk  369: 	  if ($target ne 'tex') { $result.='Correct:<b>'; } else { $result.='Correct: \textbf{';}
1.22      albertel  370:       } else {
1.45      albertel  371: 	$result.='Incorrect:';
                    372:       }
1.46      sakharuk  373:       if ($target ne 'tex') {
                    374: 	  $result.=$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    375:       } else {
                    376: 	  $result.=$Apache::response::foilgroup{$name.'.text'};
                    377:       }
1.45      albertel  378:       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
1.60      sakharuk  379: 	  if ($target ne 'tex') { $result.='</b>';} else {$result.='}';}
1.22      albertel  380:       }
1.10      albertel  381:     }
1.22      albertel  382:   } else {
1.64      sakharuk  383:     my @alphabet = ('A'..'Z');
1.56      sakharuk  384:     my $i = 0;
1.54      sakharuk  385:     my $temp=0;  
1.22      albertel  386:     my $id=$Apache::inputtags::response['-1'];
                    387:     my $part=$Apache::inputtags::part;
                    388:     my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.32      albertel  389:     my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.28      albertel  390:     foreach my $name (@whichfoils) {
1.38      sakharuk  391:       if ($target ne 'tex') {
1.66      albertel  392: 	  $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
1.38      sakharuk  393: 	  if (defined($lastresponse{$name})) { $result .= 'checked="on"'; }
                    394: 	  $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
                    395:       } else {
1.54      sakharuk  396: 	  if ($Apache::lonhomework::type eq 'exam') {
1.58      albertel  397: 	      $result .= '{\small \textbf{'.$alphabet[$i].'}}$\bigcirc$'.$Apache::response::foilgroup{$name.'.text'}.'\\\\';  #' stupid emacs
1.56      sakharuk  398: 	      $i++;
                    399: 	  } else {
1.59      sakharuk  400: 	      $result .= '\vspace*{-2 mm}\item '.$Apache::response::foilgroup{$name.'.text'};
1.54      sakharuk  401: 	  }
1.38      sakharuk  402:       }
1.22      albertel  403:       $temp++;
1.10      albertel  404:     }
1.22      albertel  405:   }
1.44      sakharuk  406:   if ($target ne 'tex') { $result.="<br />"; } else { $result.='\vskip 0 mm '; }
1.39      albertel  407:   return $result;
1.14      albertel  408: }
                    409: 
1.28      albertel  410: sub displayanswers {
1.49      albertel  411:   my ($max,$randomize)=@_;
                    412:   my ($answer,@whichopt) = &whichfoils($max,$randomize);
1.28      albertel  413:   my $result=&Apache::response::answer_header('radiobuttonresponse');
                    414:   foreach my $name (@whichopt) {
                    415:     $result.=&Apache::response::answer_part('radiobuttonresponse',
                    416: 		     $Apache::response::foilgroup{$name.'.value'})
                    417:   }
                    418:   $result.=&Apache::response::answer_footer('radiobuttonresponse');
                    419:   return $result;
                    420: }
                    421: 
1.14      albertel  422: sub start_conceptgroup {
1.27      albertel  423:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.22      albertel  424:   $Apache::radiobuttonresponse::conceptgroup=1;
1.43      albertel  425:   %Apache::response::conceptgroup=();
1.26      albertel  426:   my $result;
                    427:   if ($target eq 'edit') {
                    428:     $result.=&Apache::edit::tag_start($target,$token);
                    429:     $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
1.35      matthew   430: 	&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.26      albertel  431:   } elsif ($target eq 'modified') {
                    432:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    433: 						 $safeeval,'concept');
                    434:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    435:   }
                    436:   return $result;
1.14      albertel  437: }
                    438: 
                    439: sub end_conceptgroup {
1.22      albertel  440:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    441:   $Apache::radiobuttonresponse::conceptgroup=0;
1.26      albertel  442:   my $result;
1.38      sakharuk  443:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {
1.27      albertel  444:     if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
                    445:       my @names = @{ $Apache::response::conceptgroup{'names'} };
1.51      albertel  446:       my $pick=int(&Math::Random::random_uniform() * ($#names+1));
1.27      albertel  447:       my $name=$names[$pick];
                    448:       push @{ $Apache::response::foilgroup{'names'} }, $name;
                    449:       $Apache::response::foilgroup{"$name.text"} =  $Apache::response::conceptgroup{"$name.text"};
                    450:       $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
1.49      albertel  451:       $Apache::response::foilgroup{"$name.location"} = $Apache::response::conceptgroup{"$name.location"};
1.27      albertel  452:       my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
                    453:       $Apache::response::foilgroup{"$name.concept"} = $concept;
                    454:       &Apache::lonxml::debug("Selecting $name in $concept");
1.58      albertel  455:       my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    456:       push(@{ $Apache::hint::radiobutton{"$part_id.concepts"} },$concept);
                    457:       $Apache::hint::radiobutton{"$part_id.concept.$concept"}=
                    458: 	  $Apache::response::conceptgroup{'names'};
1.27      albertel  459:     }
1.26      albertel  460:   } elsif ($target eq 'edit') {
                    461:     $result=&Apache::edit::end_table();
1.22      albertel  462:   }
1.26      albertel  463:   return $result;
                    464: }
                    465: 
                    466: sub insert_conceptgroup {
                    467:   my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    468:   return $result;
1.1       albertel  469: }
                    470: 
                    471: sub start_foil {
1.24      albertel  472:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    473:   my $result='';
1.38      sakharuk  474:   if ($target eq 'web' || $target eq 'tex') {
1.27      albertel  475:     &Apache::lonxml::startredirection;
                    476:   } elsif ($target eq 'edit') {
                    477:     $result=&Apache::edit::tag_start($target,$token);
                    478:     $result.=&Apache::edit::text_arg('Name:','name',$token);
1.42      albertel  479:     $result.=&Apache::edit::select_or_text_arg('Correct Option:','value',
1.28      albertel  480: 				       ['unused','true','false'],$token);
1.51      albertel  481:     my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    482: 					     $safeeval,'-3');
1.53      albertel  483:     if ($randomize ne 'no') {
1.51      albertel  484:       $result.=&Apache::edit::select_arg('Location:','location',
1.52      albertel  485: 					 ['random','top','bottom'],$token);
1.51      albertel  486:     }
1.35      matthew   487:     $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.27      albertel  488:   } elsif ($target eq 'modified') {
                    489:      my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
1.48      albertel  490: 						  'value','name','location');
1.27      albertel  491:     if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.38      sakharuk  492:   } 
1.27      albertel  493:   return $result;
1.1       albertel  494: }
                    495: 
                    496: sub end_foil {
1.22      albertel  497:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    498:   my $text='';
1.38      sakharuk  499:   if ($target eq 'web' || $target eq 'tex') { $text=&Apache::lonxml::endredirection; }
                    500:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer'  || $target eq 'tex') {
1.19      albertel  501:     my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.18      albertel  502:     if ($value ne 'unused') {
1.19      albertel  503:       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.48      albertel  504:       my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
1.27      albertel  505:       if (!$name) { $name=$Apache::lonxml::curdepth; }
1.41      albertel  506:       if ( $Apache::radiobuttonresponse::conceptgroup
                    507: 	   && !&Apache::response::showallfoils() ) {
1.18      albertel  508: 	push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    509: 	$Apache::response::conceptgroup{"$name.value"} = $value;
                    510: 	$Apache::response::conceptgroup{"$name.text"} = $text;	
1.48      albertel  511: 	$Apache::response::conceptgroup{"$name.location"} = $location;	
1.18      albertel  512:       } else {
                    513: 	push @{ $Apache::response::foilgroup{'names'} }, $name;
                    514: 	$Apache::response::foilgroup{"$name.value"} = $value;
                    515: 	$Apache::response::foilgroup{"$name.text"} = $text;
1.48      albertel  516: 	$Apache::response::foilgroup{"$name.location"} = $location;
1.18      albertel  517:       }
                    518:     }
1.4       albertel  519:   }
1.1       albertel  520:   return '';
                    521: }
                    522: 
1.27      albertel  523: sub insert_foil {
                    524:   return '
                    525: <foil name="" value="unused">
                    526: <startouttext />
                    527: <endouttext />
                    528: </foil>';
                    529: }
1.1       albertel  530: 1;
                    531: __END__
                    532:  

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