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

Diff for /loncom/homework/optionresponse.pm between versions 1.3 and 1.6

version 1.3, 2001/02/19 20:36:26 version 1.6, 2001/05/04 21:19:37
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # option list style responses  # option list style responses
   # 2/21 Guy
 package Apache::optionresponse;  package Apache::optionresponse;
 use strict;  use strict;
   use Apache::response;
   
 sub BEGIN {  sub BEGIN {
   &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));    &Apache::lonxml::register('Apache::optionresponse',('optionresponse'));
Line 24  sub end_optionresponse { Line 25  sub end_optionresponse {
 %Apache::response::foilgroup={};  %Apache::response::foilgroup={};
 sub start_foilgroup {  sub start_foilgroup {
   %Apache::response::foilgroup={};    %Apache::response::foilgroup={};
   return '';    $Apache::optionresponse::conceptgroup=0;  
 }    &Apache::response::setrandomnumber();
   
 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 '';    return '';
 }  }
   
Line 43  sub end_foilgroup { Line 36  sub end_foilgroup {
   my $result;    my $result;
   if ($target ne 'meta') {    if ($target ne 'meta') {
     my $name;      my $name;
     &setrandomnumber();  
     my ($count,$max) = &getfoilcounts($parstack,$safeeval);      my ($count,$max) = &getfoilcounts($parstack,$safeeval);
     if ($count>$max) { $count=$max }       if ($count>$max) { $count=$max } 
     &Apache::lonxml::debug("Count is $count from $max");      &Apache::lonxml::debug("Count is $count from $max");
Line 97  sub whichfoils { Line 89  sub whichfoils {
   my ($max)=@_;    my ($max)=@_;
   my @names = @{ $Apache::response::foilgroup{'names'} };    my @names = @{ $Apache::response::foilgroup{'names'} };
   my @whichopt =();    my @whichopt =();
   while ((($#whichopt+1) < $max) && ($#names > -1)) {    while ((($#whichopt) < $max) && ($#names > -1)) {
     my $aopt=int rand $#names;      my $aopt=int rand $#names;
     &Apache::lonxml::debug("From $#names elms, picking $aopt");      &Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
     $aopt=splice(@names,$aopt,1);      $aopt=splice(@names,$aopt,1);
     &Apache::lonxml::debug("Picked $aopt");      &Apache::lonxml::debug("Picked $aopt");
     push (@whichopt,$aopt);      push (@whichopt,$aopt);
Line 137  sub displayfoils { Line 129  sub displayfoils {
   return $result."<br />";    return $result."<br />";
 }  }
   
   
 sub start_conceptgroup {  sub start_conceptgroup {
     $Apache::optionresponse::conceptgroup=1;  
     %Apache::response::conceptgroup={};
     return '';
 }  }
   
 sub end_conceptgroup {  sub end_conceptgroup {
     my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
     $Apache::optionresponse::conceptgroup=0;  
     if ($target eq 'web' || $target eq 'grade') {
       my @names = @{ $Apache::response::conceptgroup{'names'} };
       my $pick=int rand $#names+1;
       my $name=$names[$pick];
       push @{ $Apache::response::foilgroup{'names'} }, $name;
       $Apache::response::foilgroup{"$name.value"} =  $Apache::response::conceptgroup{"$name.value"};
       $Apache::response::foilgroup{"$name.text"} =  $Apache::response::conceptgroup{"$name.text"};
       my $args;
       if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
       my $concept = &Apache::run::run("{$args;".'return $concept}',$safeeval);
       $Apache::response::foilgroup{"$name.concept"} = $concept;
       &Apache::lonxml::debug("Selecting $name in $concept");
     }
     return '';
 }  }
   
 sub start_foil {  sub start_foil {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
   if ($target eq 'web') {     if ($target eq 'web') { &Apache::lonxml::startredirection; }
     $Apache::lonxml::redirection--;   
   }  
   return '';    return '';
 }  }
   
 sub end_foil {  sub end_foil {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
     my $text ='';
     if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
   if ($target eq 'web' || $target eq 'grade') {    if ($target eq 'web' || $target eq 'grade') {
     my $args ='';      my $args ='';
     if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }      if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
     my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);      my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);
     if ($value ne 'unused') {      if ($value ne 'unused') {
       my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);        my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
       push @{ $Apache::response::foilgroup{'names'} }, $name;        if ( $Apache::optionresponse::conceptgroup ) {
       $Apache::response::foilgroup{"$name.value"} = $value;   push @{ $Apache::response::conceptgroup{'names'} }, $name;
       $Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack;   $Apache::response::conceptgroup{"$name.value"} = $value;
    $Apache::response::conceptgroup{"$name.text"} = $text;
         } else {
    push @{ $Apache::response::foilgroup{'names'} }, $name;
    $Apache::response::foilgroup{"$name.value"} = $value;
    $Apache::response::foilgroup{"$name.text"} = $text;
         }
     }      }
   }    }
   if ($target eq 'web' ) {    if ($target eq 'edit') {
     $Apache::lonxml::redirection++;      my $args ='';
     if ($Apache::lonxml::redirection == 1) {       if ( $#$parstack > 1 ) { $args=$$parstack['-2']; }
       $Apache::lonxml::outputstack='';       my $options=&Apache::run::run("{$args;".'return $options}',$safeeval);
     }      if (!$options && $#$parstack > 2 ) { $args=$$parstack['-2']; }
       my @opt;
       #eval '@opt ='.
   }    }
   return '';    return '';
 }  }
Removed from v.1.3  
changed lines
  Added in v.1.6

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