# The LearningOnline Network with CAPA
# option list style responses
# 2/21 Guy
package Apache::optionresponse;
use strict;
use Apache::response;
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','conceptgroup'));
push (@Apache::lonxml::namespace,'optionresponse');
my $id = &Apache::response::start_response($parstack,$safeeval);
return '';
}
sub end_optionresponse {
&Apache::response::end_response;
pop @Apache::lonxml::namespace;
return '';
}
sub insert_optionresponse {
return '
';
}
%Apache::response::foilgroup={};
sub start_foilgroup {
%Apache::response::foilgroup={};
$Apache::optionresponse::conceptgroup=0;
&Apache::response::setrandomnumber();
return '';
}
sub end_foilgroup {
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
my $result;
if ($target ne 'meta') {
my $name;
my ($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) < $max) && ($#names > -1)) {
my $aopt=int rand $#names;
&Apache::lonxml::debug("From $#whichopt $max $#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_conceptgroup {
$Apache::optionresponse::conceptgroup=1;
%Apache::response::conceptgroup={};
return '';
}
sub end_conceptgroup {
my ($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=$$parstack[$#$parstack]; }
my $concept = &Apache::run::run("{$args;".'return $concept}',$safeeval);
$Apache::response::foilgroup{"$name.concept"} = $concept;
&Apache::lonxml::debug("Selecting $name in $concept");
}
return '';
}
sub start_foil {
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
if ($target eq 'web') { &Apache::lonxml::startredirection; }
return '';
}
sub end_foil {
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
my $text ='';
if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
if ($target eq 'web' || $target eq 'grade') {
my $args ='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
my $value = &Apache::run::run("{$args;".'return $value}',$safeeval);
if ($value ne 'unused') {
my $name = &Apache::run::run("{$args;".'return $name}',$safeeval);
if ( $Apache::optionresponse::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"} = $text;
}
}
}
if ($target eq 'edit') {
my $args ='';
if ( $#$parstack > 1 ) { $args=$$parstack['-2']; }
my $options=&Apache::run::run("{$args;".'return $options}',$safeeval);
if (!$options && $#$parstack > 2 ) { $args=$$parstack['-2']; }
my @opt;
#eval '@opt ='.
}
return '';
}
sub insert_foil {
return '
';
}
1;
__END__