version 1.2, 2001/01/08 21:52:04
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version 1.11, 2001/02/05 18:19:28
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# mutliple choice style responses |
# mutliple choice style responses |
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# 11/23,11/24,11/28 Gerd Kortemeyer |
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package Apache::radiobuttonresponse; |
package Apache::radiobuttonresponse; |
use strict; |
use strict; |
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sub BEGIN { |
sub BEGIN { |
&Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse','foilgroup','foil')); |
&Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse')); |
} |
} |
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sub start_radiobuttonresponse { |
sub start_radiobuttonresponse { |
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my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
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#when in a radiobutton response use these |
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&Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil')); |
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my $id = &Apache::response::start_response($parstack,$safeeval); |
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return ''; |
} |
} |
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sub end_radiobuttonresponse { |
sub end_radiobuttonresponse { |
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&Apache::response::end_response; |
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return ''; |
} |
} |
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%Apache::response::foilgroup={}; |
%Apache::response::foilgroup={}; |
sub start_foilgroup { |
sub start_foilgroup { |
%Apache::response::foilgroup={}; |
%Apache::response::foilgroup={}; |
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return ''; |
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} |
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sub setrandomnumber { |
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my $rndseed=&Apache::lonnet::rndseed(); |
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$rndseed=unpack("%32i",$rndseed); |
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$rndseed=$rndseed |
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+&Apache::lonnet::numval($Apache::inputtags::part) |
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+&Apache::lonnet::numval($Apache::inputtags::response['-1']); |
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srand($rndseed); |
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return ''; |
} |
} |
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sub end_foilgroup { |
sub end_foilgroup { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my $name; |
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my $result; |
my $result; |
foreach $name ($Apache::response::foilgroup{'names'}) { |
if ($target ne 'meta') { |
$result.="<br><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>"; |
my $name; |
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&setrandomnumber(); |
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my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval); |
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my $count=0; |
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# we will add in 1 of the true statements |
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if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; } |
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my $answer = int(rand ($count)); |
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&Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt"); |
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if ($target eq 'web') { |
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$result=&displayfoils($max,$answer); |
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} elsif ( $target eq 'grade') { |
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if ( defined $ENV{'form.submitted'}) { |
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my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']}; |
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if ( $response =~ /[^\s]/) { |
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my $id = $Apache::inputtags::response['-1']; |
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$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response; |
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&Apache::lonxml::debug("submitted a $response<br>\n"); |
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if ($response == $answer) { |
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$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS'; |
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} else { |
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$Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT'; |
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} |
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} |
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} |
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} |
} |
} |
return $result; |
return $result; |
} |
} |
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sub getfoilcounts { |
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my ($parstack,$safeeval)=@_; |
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my $rrargs =''; |
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if ( $#$parstack > 0 ) { $rrargs=$$parstack['-2']; } |
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my $max = &Apache::run::run("{$rrargs;".'return $max}',$safeeval); |
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my @names = @{ $Apache::response::foilgroup{'names'} }; |
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my $truecnt=0; |
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my $falsecnt=0; |
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my $name; |
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foreach $name (@names) { |
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if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { |
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$truecnt++; |
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} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { |
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$falsecnt++; |
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} |
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} |
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return ($truecnt,$falsecnt,$max); |
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} |
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sub displayfoils { |
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my ($max,$answer)=@_; |
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my @names = @{ $Apache::response::foilgroup{'names'} }; |
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my @truelist; |
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my @falselist; |
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my $result; |
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my $name; |
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foreach $name (@names) { |
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#result.="<br><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>"; |
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if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { |
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push (@truelist,$name); |
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} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { |
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push (@falselist,$name); |
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} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') { |
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} else { |
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&Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>"); |
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} |
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} |
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my $whichtrue = rand $#truelist; |
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&Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue"); |
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my @whichfalse =(); |
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while ((($#whichfalse+2) < $max) && ($#falselist > -1)) { |
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my $afalse=rand $#falselist; |
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&Apache::lonxml::debug("From $#falselist elms, picking $afalse"); |
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$afalse=splice(@falselist,$afalse,1); |
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&Apache::lonxml::debug("Picked $afalse"); |
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push (@whichfalse,$afalse); |
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} |
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splice(@whichfalse,$answer,0,$truelist[$whichtrue]); |
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&Apache::lonxml::debug("the true statement is $answer"); |
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if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) { |
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foreach $name (@whichfalse) { |
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$result.="<br />"; |
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if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { |
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$result.='Correct'; |
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} else { |
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$result.='Incorrect'; |
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} |
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$result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n"; |
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} |
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} else { |
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my $temp=0; |
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foreach $name (@whichfalse) { |
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$result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\">".$Apache::response::foilgroup{$name.'.text'}."</input>\n"; |
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$temp++; |
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} |
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} |
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return $result."<br />"; |
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} |
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sub start_foil { |
sub start_foil { |
$Apache::lonxml::redirection++; |
$Apache::lonxml::redirection--; |
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return ''; |
} |
} |
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sub end_foil { |
sub end_foil { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my $args =''; |
if ($target eq 'web' || $target eq 'grade') { |
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } |
my $args =''; |
my $name = &Apache::run::run("{$args;".'return $name}',$safeeval); |
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } |
push @{ $Apache::response::foilgroup{'names'} }, $name; |
my $name = &Apache::run::run("{$args;".'return $name}',$safeeval); |
my $value = &Apache::run::run("{$args;".'return $value}',$safeeval); |
push @{ $Apache::response::foilgroup{'names'} }, $name; |
$Apache::response::foilgroup{"$name.value"} = $value; |
my $value = &Apache::run::run("{$args;".'return $value}',$safeeval); |
$Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack; |
$Apache::response::foilgroup{"$name.value"} = $value; |
$Apache::lonxml::redirection--; |
$Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack; |
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} |
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$Apache::lonxml::redirection++; |
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if ($Apache::lonxml::redirection == 1) { |
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$Apache::lonxml::outputstack=''; |
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} |
return ''; |
return ''; |
} |
} |
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