# The LearningOnline Network with CAPA
# mutliple choice style responses
# 2/21 Guy
package Apache::radiobuttonresponse;
use strict;
sub BEGIN {
&Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
}
sub start_radiobuttonresponse {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
#when in a radiobutton response use these
&Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
my $id = &Apache::response::start_response($parstack,$safeeval);
return '';
}
sub end_radiobuttonresponse {
&Apache::response::end_response;
return '';
}
%Apache::response::foilgroup={};
sub start_foilgroup {
%Apache::response::foilgroup={};
$Apache::radiobuttonresponse::conceptgroup=0;
&Apache::response::setrandomnumber();
return '';
}
sub storesurvey {
if ( defined $ENV{'form.submitted'}) {
my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
&Apache::lonxml::debug("Here I am!:$response:");
if ( $response =~ /[^\s]/) {
my $id = $Apache::inputtags::response['-1'];
$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
&Apache::lonxml::debug("submitted a $response
\n");
}
}
return '';
}
sub end_foilgroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target ne 'meta') {
my $style = &Apache::lonxml::get_param('style',$parstack,$safeeval,'-2');
if ( $style eq 'survey' ) {
if ($target eq 'web') {
$result=&displayallfoils();
} elsif ( $target eq 'grade' ) {
$result=&storesurvey();
}
} else {
my $name;
my ($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 $response
\n");
if ($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 $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
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 displayallfoils {
my $result;
&Apache::lonxml::debug("survey style display");
my @names = @{ $Apache::response::foilgroup{'names'} };
my $temp=0;
my $id=$Apache::inputtags::response['-1'];
my $part=$Apache::inputtags::part;
my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
foreach my $name (@names) {
if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
$result.="
\n";
$temp++;
}
}
return $result;
}
sub displayfoils {
my ($max,$answer)=@_;
my @names = @{ $Apache::response::foilgroup{'names'} };
my @truelist;
my @falselist;
my $result;
my $name;
foreach $name (@names) {
#result.="
$name is $Apache::response::foilgroup{$name.'.value'} ";
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 ");
}
}
my $whichtrue = int(rand($#truelist+1));
&Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
my @whichfalse =();
while ((($#whichfalse+1) < $max) && ($#falselist > -1)) {
&Apache::lonxml::debug("Have $#whichfalse max is $max");
my $afalse=int(rand($#falselist+1));
&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) {
$result.="
";
if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
$result.='Correct';
} else {
$result.='Incorrect';
}
$result.=":".$Apache::response::foilgroup{$name.'.text'}."\n";
}
} else {
my $temp=0;
my $id=$Apache::inputtags::response['-1'];
my $part=$Apache::inputtags::part;
my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
foreach $name (@whichfalse) {
$result.="
\n";
$temp++;
}
}
return $result."
";
}
sub start_conceptgroup {
$Apache::radiobuttonresponse::conceptgroup=1;
%Apache::response::conceptgroup={};
return '';
}
sub end_conceptgroup {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
$Apache::radiobuttonresponse::conceptgroup=0;
if ($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.text"} = $Apache::response::conceptgroup{"$name.text"};
$Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
$Apache::response::foilgroup{"$name.concept"} = $concept;
&Apache::lonxml::debug("Selecting $name in $concept");
}
return '';
}
sub start_foil {
&Apache::lonxml::startredirection;
return '';
}
sub end_foil {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $text='';
if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
if ($target eq 'web' || $target eq 'grade') {
my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
if ($value ne 'unused') {
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
if ( $Apache::radiobuttonresponse::conceptgroup ) {
push @{ $Apache::response::conceptgroup{'names'} }, $name;
$Apache::response::conceptgroup{"$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;
}
}
}
return '';
}
1;
__END__