version 1.3, 2001/01/08 22:06:48
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version 1.6, 2001/01/12 15:32:29
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Line 11 sub BEGIN {
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Line 11 sub BEGIN {
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} |
} |
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sub start_radiobuttonresponse { |
sub start_radiobuttonresponse { |
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my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
#when in a radiobutton response use these |
#when in a radiobutton response use these |
&Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil')); |
&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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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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} |
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#FIXME needs to stablely do random picks |
sub end_foilgroup { |
sub end_foilgroup { |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my $name; |
my $name; |
my $result; |
my $result; |
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&setrandomnumber(); |
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my ($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.submit'}) { |
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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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} |
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return $result; |
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} |
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sub getfoilcounts { |
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my ($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)=@_; |
my @names = @{ $Apache::response::foilgroup{'names'} }; |
my @names = @{ $Apache::response::foilgroup{'names'} }; |
my @truelist; |
my @truelist; |
my @falselist; |
my @falselist; |
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my $result; |
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my $name; |
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foreach $name (@names) { |
foreach $name (@names) { |
$result.="<br><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>"; |
#result.="<br><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>"; |
if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { |
if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { |
push (@truelist,$name); |
push (@truelist,$name); |
} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { |
} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') { |
push (@falselist,$name); |
push (@falselist,$name); |
} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') { |
} elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') { |
} else { |
} else { |
&Apache::lonxml::error("Unknow state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>"); |
&Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>"); |
} |
} |
} |
} |
my $whichtrue = rand $#truelist; |
my $whichtrue = rand $#truelist; |
return $result; |
&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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my $temp=0; |
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&Apache::lonxml::debug("the true statement is $answer"); |
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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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return $result."<br />"; |
} |
} |
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sub start_foil { |
sub start_foil { |
$Apache::lonxml::redirection++; |
$Apache::lonxml::redirection--; |
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return ''; |
} |
} |
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sub end_foil { |
sub end_foil { |
Line 61 sub end_foil {
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Line 147 sub end_foil {
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$Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack; |
$Apache::response::foilgroup{"$name.text"} = $Apache::lonxml::outputstack; |
} |
} |
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$Apache::lonxml::redirection--; |
$Apache::lonxml::redirection++; |
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if ($Apache::lonxml::redirection == 1) { |
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$Apache::lonxml::outputstack=''; |
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} |
return ''; |
return ''; |
} |
} |
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