# 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::response=();
@Apache::inputtags::responselist=();
@Apache::inputtags::answergroup=();
$Apache::inputtags::part='';
%Apache::inputtags::params=();
}
sub start_textarea {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
my $result = "";
if ($target eq 'web') {
$result= '<textarea name="HWVAL'.$Apache::inputtags::curvalue.'" value="">';
}
return $result;
}
sub end_textarea {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
if ($target eq 'web') {
return "</textarea>";
}
return '';
}
sub start_textline {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
my $result = "";
if ($target eq 'web') {
my $args ='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
my $size = &Apache::run::run("{$args;".'return $size}',$safeeval);
if ($size eq '') { $size=20; }
$result= '<input type="text" name="HWVAL'.$Apache::inputtags::curvalue.'" value="" size="'.$size.'">';
}
return $result;
}
sub end_textline {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
return "";
}
#answergroup is deprecated
#sub start_answergroup {
# my ($target,$token,$parstack,$parser,$safeeval)=@_;
# my $args ='';
# if ( $#$parstack > -1 ) { $args=$$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 ''; # <answergroup> 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='<input type="submit" name="submit" value="Submit All Answers">';
# 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 '<input type="submit" name="submit" value="Submit All Data">';
}
return '';
}
sub finalizeawards {
my $result='';
my $award;
if ($#_ == '-1') { $result = "NO_RESPONSE"; }
foreach $award (@_) { if ($award eq '') {$result='MISSING_ANSWER'; last;}}
if ($result eq '' ) {
foreach $award (@_) {
if ($award eq 'UNIT_FAIL' ||
$award eq 'NO_UNIT' ||
$award eq 'UNIT_NOTNEEDED') {
$result=$award; last;
}
}
}
&Apache::lonxml::debug("1 $result");
if ($result eq '' ) {
foreach $award (@_) {
if ($award eq 'WANTED_NUMERIC' ||
$award eq 'BAD_FORMULA') {$result=$award; last;}
}
}
&Apache::lonxml::debug("2 $result");
if ($result eq '' ) {
foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
}
&Apache::lonxml::debug("3 $result");
if ($result eq '' ) {
foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
}
&Apache::lonxml::debug("4 $result");
if ($result eq '' ) {
foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
}
&Apache::lonxml::debug("5 $result");
if ($result eq '' ) { $result='EXACT_ANS'; }
&Apache::lonxml::debug("6 $result");
return $result
}
sub decideoutput {
my ($award)=@_;
my $message='';
my $button=0;
my $tries=0;
if ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
$message = "Yes, Computer gets: ";
$tries=1; $button=0;
} elsif ($award eq 'WANTED_NUMERIC') {
$message = "This question expects a numeric answer";
$tries=0; $button=1;
} elsif ($award eq 'SIG_FAIL') {
$message = "Please adjust significant figures, you provided %s significant figures";
$tries=0; $button=1;
} elsif ($award eq 'UNIT_FAIL') {
$message = "Units incorrect, Computer reads units as %s";
$tries=0; $button=1;
} elsif ($award eq 'UNIT_NOTNEEDED') {
$message = "Only a number required, Computer reads units of %s";
$tries=0; $button=1;
} elsif ($award eq 'NO_UNIT') {
$message = "Units required";
$tries=0; $button=1;
} elsif ($award eq 'BAD_FORMULA') {
$message = "Unable to understand formula";
$tries=0; $button=1;
} elsif ($award eq 'INCORRECT') {
$message = "Incorrect";
$tries=0; $button=1;
} else {
$message = "Unknown message: $award";
$tries=0; $button=1;
}
return ($tries,$button,$message);
}
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 $response (@Apache::inputtags::responselist) {
&Apache::lonxml::debug("looking for response.awarddetail.$id.$response");
my $value=$Apache::lonhomework::results{"resource.awarddetail.$id.$response"};
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 $finalaward = &finalizeawards(@awards);
my ($triesinc,$showbutton,$message) = &decideoutput($finalaward);
$Apache::lonhomework::results{"resource.tries.$id"} =
$Apache::lonhomework::history{"resource.tries.$id"} + 1;
&Apache::lonxml::debug("final award $finalaward");
#if ($showbutton > 0) { $result.=$button }
}
}
return $result;
}
sub gradestatus {
my $button='<input type="submit" name="submit" value="Submit All Answers">';
return 'Grade Status is Unknown'.$button;
}
1;
__END__
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