# The LearningOnline Network with CAPA
# input definitons
package Apache::inputtags;
use strict;
sub BEGIN {
&Apache::lonxml::register('Apache::inputtags',('textarea','textline','datasubmission'));
}
sub initialize_inputtags {
@Apache::inputtags::input=();
@Apache::inputtags::inputlist=();
@Apache::inputtags::response=();
@Apache::inputtags::responselist=();
@Apache::inputtags::answergroup=();
$Apache::inputtags::part='';
@Apache::inputtags::status=();
%Apache::inputtags::params=();
}
sub start_input {
my ($parstack,$safeeval)=@_;
my $args ='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
my $id = &Apache::run::run("{$args;".'return $id}',$safeeval);
push (@Apache::inputtags::input,$id);
push (@Apache::inputtags::inputlist,$id);
return $id;
}
sub end_input {
pop @Apache::inputtags::input;
return '';
}
sub start_textarea {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
my $result = "";
my $id = &start_input($parstack,$safeeval);
if ($target eq 'web') {
$result= '";
}
&end_input;
return '';
}
sub start_textline {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
my $result = "";
if ($target eq 'web') {
my $args ='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
my $size = &Apache::run::run("{$args;".'return $size}',$safeeval);
if ($size eq '') { $size=20; }
my $oldresponse = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].submission"};
$result= '';
}
return $result;
}
sub end_textline {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
return "";
}
#answergroup is deprecated
#sub start_answergroup {
# my ($target,$token,$parstack,$parser,$safeeval)=@_;
# my $args ='';
# if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
# my $id = &Apache::run::run("{$args;".'return $id}',$safeeval);
# push (@Apache::inputtags::answergroup,$id);
# if ($target == 'web') {
#
# }
# return '';
#}
#
#sub end_answergroup {
# my ($target,$token,$parstack,$parser,$safeeval)=@_;
# return ''; # has ben deprecated
# my $args ='';
# if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
# my $id = &Apache::run::run("{$args;".'return $id}',$safeeval);
# push (@Apache::inputtags::answergroup,$id);
# my $result='';
# my $button='';
# my $showbutton='1';
# my $usedtry='1';
# my $response='';
# if ( $target == 'web' ) {
# if ( defined $ENV{'form.submit'}) {
# }
# if ($showbutton > 0) { $result.=$button }
# }
# pop @Apache::inputtags::answergroup;
# return $result;
#}
sub start_datasubmission {
}
sub end_datasubmission {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
if ( $target == 'web' ) {
return '';
}
return '';
}
sub finalizeawards {
my $result='';
my $award;
if ($#_ == '-1') { $result = "NO_RESPONSE"; }
if ($result eq '' ) {
foreach $award (@_) { if ($award eq '') {$result='MISSING_ANSWER'; last;}}
}
if ($result eq '' ) {
foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
}
if ($result eq '' ) {
foreach $award (@_) {
if ($award eq 'UNIT_FAIL' ||
$award eq 'NO_UNIT' ||
$award eq 'UNIT_NOTNEEDED') {
$result=$award; last;
}
}
}
if ($result eq '' ) {
foreach $award (@_) {
if ($award eq 'WANTED_NUMERIC' ||
$award eq 'BAD_FORMULA') {$result=$award; last;}
}
}
if ($result eq '' ) {
foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
}
if ($result eq '' ) {
foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
}
if ($result eq '' ) {
foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
}
if ($result eq '' ) { $result='EXACT_ANS'; }
return $result
}
sub decideoutput {
my ($award)=@_;
my $message='';
my $button=0;
if ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
$message = "You are correct. You receipt is ".&Apache::lonnet::receipt;
$button=0;
} elsif ($award eq 'NO_RESPONSE') {
$message = '';
$button=1;
} elsif ($award eq 'MISSING_ANSWER') {
$message = 'Some parts were not submitted';
$button = 1;
} elsif ($award eq 'WANTED_NUMERIC') {
$message = "This question expects a numeric answer";
$button=1;
} elsif ($award eq 'SIG_FAIL') {
$message = "Please adjust significant figures, you provided %s significant figures";
$button=1;
} elsif ($award eq 'UNIT_FAIL') {
$message = "Units incorrect, Computer reads units as %s";
$button=1;
} elsif ($award eq 'UNIT_NOTNEEDED') {
$message = "Only a number required, Computer reads units of %s";
$button=1;
} elsif ($award eq 'NO_UNIT') {
$message = "Units required";
$button=1;
} elsif ($award eq 'BAD_FORMULA') {
$message = "Unable to understand formula";
$button=1;
} elsif ($award eq 'INCORRECT') {
$message = "Incorrect";
$button=1;
} else {
$message = "Unknown message: $award";
$button=1;
}
return ($button,$message);
}
sub setgradedata {
my ($award,$id) = @_;
if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
$Apache::lonhomework::results{"resource.$id.tries"} =
$Apache::lonhomework::history{"resource.$id.tries"} + 1;
$Apache::lonhomework::results{"resource.$id.solved"} =
'correct_by_student';
$Apache::lonhomework::results{"resource.$id.awarded"} = '1';
} elsif ( $award eq 'INCORRECT' ) {
$Apache::lonhomework::results{"resource.$id.tries"} =
$Apache::lonhomework::history{"resource.$id.tries"} + 1;
$Apache::lonhomework::results{"resource.$id.solved"} =
'incorrect_attempted';
} else {
$Apache::lonhomework::results{"resource.$id.solved"} =
'incorrect_attempted';
}
$Apache::lonhomework::results{"resource.$id.award"} = $award;
}
sub grade {
my ($target) = @_;
my $id = $Apache::inputtags::part;
# my $result='';
my $response='';
if ( $target == 'web' ) {
if ( defined $ENV{'form.submit'}) {
my @awards = ();
&Apache::lonxml::debug("$#Apache::inputtags::responselist");
foreach $response (@Apache::inputtags::responselist) {
&Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
if ( $value ne '' ) {
&Apache::lonxml::debug("keep ing $value from $response for $id");
push (@awards,$value);
} else {
&Apache::lonxml::debug("skipping $value from $response for $id");
}
}
my $finalaward = &finalizeawards(@awards);
&Apache::lonxml::debug("final award $finalaward");
&setgradedata($finalaward,$id);
}
}
return '';
}
sub gradestatus {
my ($id) = @_;
my $showbutton = 1;
my $message = '';
my $trystr='';
my $button='';
my $status = $Apache::inputtags::status['-1'];
&Apache::lonxml::debug("gradestatus has :$status:");
if ( $status eq 'CAN_ANSWER' || $status eq 'SHOW_ANSWER' ) {
my $award = $Apache::lonhomework::history{"resource.$id.award"};
&Apache::lonxml::debug("Found Award |$award|");
if ( $award ne '' ) {
&Apache::lonxml::debug('Getting message');
($showbutton,$message) = &decideoutput($award);
}
my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
&Apache::lonxml::debug("got maxtries of :$maxtries:");
if ( $tries eq '' ) { $tries = '0'; }
if ( $maxtries eq '' ) { $maxtries = '2'; }
if ( $showbutton ) {
$trystr = "
Tries $tries/$maxtries";
}
if ( $tries >= $maxtries ) { $showbutton = 0; }
if ( $status eq 'SHOW_ANSWER' ) { $showbutton = 0; }
if ( $showbutton ) {
$button = '
';
}
}
return $button.$message.$trystr;
}
1;
__END__