[BACK]Return to radiobuttonresponse.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / homework

Diff for /loncom/homework/radiobuttonresponse.pm between versions 1.4 and 1.12

version 1.4, 2001/01/11 22:17:30 version 1.12, 2001/02/19 20:36:49
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # mutliple choice style responses  # mutliple choice style responses
   
 # 11/23,11/24,11/28 Gerd Kortemeyer  
   
 package Apache::radiobuttonresponse;  package Apache::radiobuttonresponse;
 use strict;  use strict;
   
Line 26  sub end_radiobuttonresponse { Line 24  sub end_radiobuttonresponse {
 %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 '';
 }  }
   
 #FIXME needs to stablely do random picks  
 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 $result;
     if ($target ne 'meta') {
       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;
   }
   
   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 @names = @{ $Apache::response::foilgroup{'names'} };
   my @truelist;    my @truelist;
   my @falselist;    my @falselist;
   my $rndseed=&Apache::lonnet::rndseed();    my $result;
   $rndseed=$rndseed    my $name;
     +&Apache::lonnet::numval($Apache::inputtags::part)  
       +&Apache::lonnet::numval($Apache::inputtags::response['-1']);  
   srand($rndseed*10);  
   foreach $name (@names) {    foreach $name (@names) {
     $result.="<br><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";      #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
     if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {      if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
       push (@truelist,$name);        push (@truelist,$name);
     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {      } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
       push (@falselist,$name);        push (@falselist,$name);
     } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {      } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
     } else {      } else {
       &Apache::lonxml::error("Unknow state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");        &Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");
     }      }
   }    }
   my $rrargs ='';  
   if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; }  
   my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval);  
   my $whichtrue = rand $#truelist;    my $whichtrue = rand $#truelist;
   &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");    &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
   my @whichfalse =();    my @whichfalse =();
   my $temp=0;  
   while ((($#whichfalse+2) < $max) && ($#falselist > -1)) {    while ((($#whichfalse+2) < $max) && ($#falselist > -1)) {
     my $afalse=rand $#falselist;      my $afalse=rand $#falselist;
     &Apache::lonxml::debug("From $#falselist elms, picking $afalse");      &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
Line 66  sub end_foilgroup { Line 120  sub end_foilgroup {
     &Apache::lonxml::debug("Picked $afalse");      &Apache::lonxml::debug("Picked $afalse");
     push (@whichfalse,$afalse);      push (@whichfalse,$afalse);
   }    }
   my $where = rand $max;    splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
   splice(@whichfalse,$where,0,$truelist[$whichtrue]);    &Apache::lonxml::debug("the true statement is $answer");
   my $temp;    if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
   foreach $temp (@whichfalse) {      foreach $name (@whichfalse) {
     $result.='<input type="radio" name="bob">'.$Apache::response::foilgroup{$temp.'.text'}."</input><br />\n";        $result.="<br />";
         if ($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;    return $result."<br />";
 }  }
   
 sub start_foil {  sub start_foil {
   &Apache::lonxml::debug("redirection be  $Apache::lonxml::redirection");  
   $Apache::lonxml::redirection--;    $Apache::lonxml::redirection--;
     return '';
 }  }
   
 sub end_foil {  sub end_foil {
Line 93  sub end_foil { Line 160  sub end_foil {
   }    }
       
   $Apache::lonxml::redirection++;    $Apache::lonxml::redirection++;
   &Apache::lonxml::debug("redirection is  $Apache::lonxml::redirection");  
   if ($Apache::lonxml::redirection == 1) {     if ($Apache::lonxml::redirection == 1) { 
     &Apache::lonxml::debug("reset $Apache::lonxml::outputstack");  
     $Apache::lonxml::outputstack='';       $Apache::lonxml::outputstack=''; 
   }    }
   return '';    return '';
Removed from v.1.4  
changed lines
  Added in v.1.12

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>