# The LearningOnline Network with CAPA
# input definitons
# 2/19 Guy
package Apache::inputtags;
use strict;
sub BEGIN {
&Apache::lonxml::register('Apache::inputtags',('textarea','textline','datasubmission'));
}
sub initialize_inputtags {
# list of current input ids
@Apache::inputtags::input=();
# list of all input ids seen in this problem
@Apache::inputtags::inputlist=();
# list of all current response ids
@Apache::inputtags::response=();
#list of all response ids seen in this problem
@Apache::inputtags::responselist=();
# id of current part, 0 means that no part is current (inside <problem> only
$Apache::inputtags::part='';
# list of problem date statuses, the first element is for <problem>
#if there is a second element it is for the current <part>
@Apache::inputtags::status=();
#hash of defined params for the current response
%Apache::inputtags::params=();
}
sub start_input {
my ($parstack,$safeeval)=@_;
my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
if ($id eq '') { $id = $Apache::lonxml::curdepth; }
push (@Apache::inputtags::input,$id);
push (@Apache::inputtags::inputlist,$id);
return $id;
}
sub end_input {
pop @Apache::inputtags::input;
return '';
}
sub start_textarea {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result = "";
my $id = &start_input($parstack,$safeeval);
if ($target eq 'web') {
my $oldresponse = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].submission"};
my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
if ( $cols eq '') { $cols = 80; }
my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
if ( $rows eq '') { $rows = 10; }
$result= '<textarea name="HWVAL'.$Apache::inputtags::response['-1'].'" '.
"rows=\"$rows\" cols=\"$cols\">".$oldresponse;
if ($oldresponse ne '') {
#get rid of any startup text if the user has already responded
&Apache::lonxml::get_all_text("/textarea",$$parser[$#$parser]);
}
}
return $result;
}
sub end_textarea {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
if ($target eq 'web') {
return "</textarea>";
}
&end_input;
return '';
}
sub start_textline {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result = "";
if ($target eq 'web') {
my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
if ($size eq '') { $size=20; }
my $oldresponse = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].submission"};
$result= '<input type="text" name="HWVAL'.$Apache::inputtags::response['-1'].'" value="'.$oldresponse.'" size="'.$size.'" />';
}
if ($target eq 'edit') {
$result.=&Apache::edit::tag_start($target,$token,&Apache::lonxml::description($token));
$result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
$result.=&Apache::edit::end_table;
}
if ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
}
return $result;
}
sub end_textline {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
if ($target eq 'edit') { return ('','no'); }
return "";
}
sub start_datasubmission {
return '';
}
sub end_datasubmission {
my ($target,$token,$tagstack,$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') { $result = "NO_RESPONSE"; }
if ($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 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
}
if ($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 'SUBMITTED') {$result=$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,$solved)=@_;
my $message='';
my $button=0;
if ($solved =~ /^correct/) {
$message = "<b>You are correct.</b> Your receipt is ".
&Apache::lonnet::receipt;
$button=0;
} elsif ($solved =~ /^excused/) {
$message = "<b>You are excused from the problem.</b>";
$button=0;
} elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
if ($solved =~ /^incorrect/ || $solved eq '') {
$message = "Incorrect";
$button=1;
} else {
$message = "<b>You are correct.</b> Your 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";
$button=1;
} elsif ($award eq 'SUBMITTED') {
$message = "Your submission has been recorded.";
$button=1;
} else {
$message = "Unknown message: $award";
$button=1;
}
return ($button,$message);
}
sub setgradedata {
my ($award,$id) = @_;
# if the student already has it correct, don't modify the status
if ( $Apache::lonhomework::history{"resource.$id.solved"} !~
/^correct/ ) {
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';
} elsif ( $award eq 'SUBMITTED' ) {
$Apache::lonhomework::results{"resource.$id.tries"} =
$Apache::lonhomework::history{"resource.$id.tries"} + 1;
$Apache::lonhomework::results{"resource.$id.solved"} =
'ungraded_attempted';
} elsif ( $award eq 'NO_RESPONSE' ) {
return '';
} 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 $ENV{'form.submitted'}) {
my @awards = ();
&Apache::lonxml::debug("$#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("keeping $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 ne 'CLOSED' ) {
my $award = $Apache::lonhomework::history{"resource.$id.award"};
my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
&Apache::lonxml::debug("Found Award |$award|$solved|");
if ( $award ne '' ) {
&Apache::lonxml::debug('Getting message');
($showbutton,$message) = &decideoutput($award,$solved);
$message="<td bgcolor=\"#aaffaa\">$message</td>";
}
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 ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
if ( $showbutton ) {
$trystr = "<td>Tries $tries/$maxtries</td>";
}
if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
if ( $showbutton ) {
$button = '<br /><input type="submit" name="submit" value="Submit All Answers" />';
}
}
return $button.'<table><tr>'.$message.$trystr.'</tr></table>';
}
1;
__END__
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