# The LearningOnline Network with CAPA # option list style responses package Apache::optionresponse; use strict; sub BEGIN { &Apache::lonxml::register('Apache::optionresponse',('optionresponse')); } sub start_optionresponse { my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; #when in a radiobutton response use these &Apache::lonxml::register('Apache::optionresponse',('foilgroup','foil')); my $id = &Apache::response::start_response($parstack,$safeeval); return ''; } sub end_optionresponse { &Apache::response::end_response; return ''; } %Apache::response::foilgroup={}; sub start_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($rndseed); return ''; } sub end_foilgroup { my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; my $result; if ($target ne 'meta') { my $name; &setrandomnumber(); my ($count,$max) = &getfoilcounts($parstack,$safeeval); if ($count>$max) { $count=$max } &Apache::lonxml::debug("Count is $count from $max"); my $args =''; if ( $#$parstack > 0 ) { $args=$$parstack['-1']; } my @opt; eval '@opt ='.&Apache::run::run("{$args;".'return $options}',$safeeval); if ($target eq 'web') { $result=&displayfoils($count,@opt); } elsif ( $target eq 'grade') { if ( defined $ENV{'form.submitted'}) { my @whichopt = &whichfoils($count); my $temp=1;my $name; my $allresponse; my $right=0; my $wrong=0; foreach $name (@whichopt) { my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"}; $allresponse.="$response:"; if ( $response =~ /[^\s]/) { &Apache::lonxml::debug("submitted a $response
\n"); my $value=$Apache::response::foilgroup{$name.'.value'}; if ($value eq $response) {$right++;} else {$wrong++;} } $temp++; } my $id = $Apache::inputtags::response['-1']; $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$allresponse; &Apache::lonxml::debug("Got $right right and $wrong wrong"); if ($wrong==0) { $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS'; } else { $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT'; } } } } return $result; } sub getfoilcounts { my ($parstack,$safeeval)=@_; my $rrargs =''; if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; } my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval); my $count = $#{ $Apache::response::foilgroup{'names'} }; return ($count,$max); } sub whichfoils { my ($max)=@_; my @names = @{ $Apache::response::foilgroup{'names'} }; my @whichopt =(); while ((($#whichopt+1) < $max) && ($#names > -1)) { my $aopt=int rand $#names; &Apache::lonxml::debug("From $#names elms, picking $aopt"); $aopt=splice(@names,$aopt,1); &Apache::lonxml::debug("Picked $aopt"); push (@whichopt,$aopt); } return @whichopt; } sub displayfoils { my ($max,@opt)=@_; my @names = @{ $Apache::response::foilgroup{'names'} }; my @truelist; my @falselist; my $result; my $name; my @whichopt = &whichfoils($max); my $optionlist="\n"; my $option; foreach $option (@opt) { $optionlist.="\n"; } if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) { foreach $name (@whichopt) { $result.="
".$Apache::response::foilgroup{$name.'.value'}. ":".$Apache::response::foilgroup{$name.'.text'}."\n"; } } else { my $temp=1; foreach $name (@whichopt) { $result.="
\n".$Apache::response::foilgroup{$name.'.text'}."\n"; $temp++; } } return $result."
"; } sub start_foil { $Apache::lonxml::redirection--; return ''; } sub end_foil { my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; if ($target eq 'web' || $target eq 'grade') { my $args =''; if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } my $value = &Apache::run::run("{$args;".'return $value}',$safeeval); if ($value ne 'unused') { my $name = &Apache::run::run("{$args;".'return $name}',$safeeval); push @{ $Apache::response::foilgroup{'names'} }, $name; $Apache::response::foilgroup{"$name.value"} = $value; $Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack; } } $Apache::lonxml::redirection++; if ($Apache::lonxml::redirection == 1) { $Apache::lonxml::outputstack=''; } return ''; } 1; __END__