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Diff for /loncom/homework/radiobuttonresponse.pm between versions 1.2 and 1.13

version 1.2, 2001/01/08 21:52:04 version 1.13, 2001/02/22 00:49:03
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # mutliple choice style responses  # mutliple choice style responses
   # 2/21 Guy
 # 11/23,11/24,11/28 Gerd Kortemeyer  
   
 package Apache::radiobuttonresponse;  package Apache::radiobuttonresponse;
 use strict;  use strict;
   
 sub BEGIN {  sub BEGIN {
   &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse','foilgroup','foil'));    &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
 }  }
   
 sub start_radiobuttonresponse {  sub start_radiobuttonresponse {
     my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
     #when in a radiobutton response use these
     &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil'));
     my $id = &Apache::response::start_response($parstack,$safeeval);
     return '';
 }  }
   
 sub end_radiobuttonresponse {  sub end_radiobuttonresponse {
     &Apache::response::end_response;
     return '';
 }  }
   
 %Apache::response::foilgroup={};  %Apache::response::foilgroup={};
 sub start_foilgroup {  sub start_foilgroup {
   %Apache::response::foilgroup={};    %Apache::response::foilgroup={};
     return '';
   }
   
   sub setrandomnumber {
     my $rndseed=&Apache::lonnet::rndseed();
     $rndseed=unpack("%32i",$rndseed);
     $rndseed=$rndseed
       +&Apache::lonnet::numval($Apache::inputtags::part)
         +&Apache::lonnet::numval($Apache::inputtags::response['-1']);
     srand($rndseed);
     return '';
 }  }
   
 sub end_foilgroup {  sub end_foilgroup {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
   my $name;    
   my $result;    my $result;
   foreach $name ($Apache::response::foilgroup{'names'}) {    if ($target ne 'meta') {
     $result.="<br><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";      my $name;
       &setrandomnumber();
       my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval);
       my $count=0;
       # we will add in 1 of the true statements
       if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
       my $answer = int(rand ($count));
       &Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt");
       if ($target eq 'web') {
         $result=&displayfoils($max,$answer);
       } elsif ( $target eq 'grade') {
         if ( defined $ENV{'form.submitted'}) {
    my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
    if ( $response =~ /[^\s]/) {
     my $id = $Apache::inputtags::response['-1'];
     $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
     &Apache::lonxml::debug("submitted a $response<br />\n");
     if ($response == $answer) {
       $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS';
     } else {
       $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT';
     }
    }
         }
       }
   }    }
   return $result;    return $result;
 }  }
   
   sub getfoilcounts {
     my ($parstack,$safeeval)=@_;
     my $rrargs ='';
     if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }
     my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval);
     my @names = @{ $Apache::response::foilgroup{'names'} };
     my $truecnt=0;
     my $falsecnt=0;
     my $name;
   
     foreach $name (@names) {
       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
         $truecnt++;
       } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
         $falsecnt++;
       }
     }
     return ($truecnt,$falsecnt,$max);
   }
   
   sub displayfoils {
     my ($max,$answer)=@_;
     my @names = @{ $Apache::response::foilgroup{'names'} };
     my @truelist;
     my @falselist;
     my $result;
     my $name;
   
     foreach $name (@names) {
       #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
       if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
         push (@truelist,$name);
       } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
         push (@falselist,$name);
       } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
       } else {
         &Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");
       }
     }
     my $whichtrue = rand $#truelist;
     &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
     my @whichfalse =();
     while ((($#whichfalse+2) < $max) && ($#falselist > -1)) {
       my $afalse=rand $#falselist;
       &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
       $afalse=splice(@falselist,$afalse,1);
       &Apache::lonxml::debug("Picked $afalse");
       push (@whichfalse,$afalse);
     }
     splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
     &Apache::lonxml::debug("the true statement is $answer");
     if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
       foreach $name (@whichfalse) {
         $result.="<br />";
         if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
    $result.='Correct';
         } else {
    $result.='Incorrect';
         }
         $result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
       }
     } else {
       my $temp=0;
       foreach $name (@whichfalse) {
         $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\">".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
         $temp++;
       }
     }
     return $result."<br />";
   }
   
 sub start_foil {  sub start_foil {
   $Apache::lonxml::redirection++;    &Apache::lonxml::startredirection;
     return '';
 }  }
   
 sub end_foil {  sub end_foil {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
   my $args ='';    my $foil=&Apache::lonxml::endredirection;
   if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }    if ($target eq 'web' || $target eq 'grade') {
   my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);      my $args ='';
   push @{ $Apache::response::foilgroup{'names'} }, $name;      if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
   my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);      my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
   $Apache::response::foilgroup{"$name.value"} = $value;      push @{ $Apache::response::foilgroup{'names'} }, $name;
   $Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack;      my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);
   $Apache::lonxml::redirection--;      $Apache::response::foilgroup{"$name.value"} = $value;
       $Apache::response::foilgroup{"$name.text"} = $foil;
     }
   return '';    return '';
 }  }
   
Removed from v.1.2  
changed lines
  Added in v.1.13

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