--- loncom/homework/grades.pm	2003/09/29 20:58:50	1.130.2.1.2.5
+++ loncom/homework/grades.pm	2003/09/29 21:31:30	1.130.2.1.2.6
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.130.2.1.2.5 2003/09/29 20:58:50 albertel Exp $
+# $Id: grades.pm,v 1.130.2.1.2.6 2003/09/29 21:31:30 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3276,7 +3276,7 @@ sub username_to_idmap {
 }
 
 sub scantron_fixup_scanline {
-    my ($scantron_config,$scan_data,$line,$field,$newvalue,$arg) = @_;
+    my ($scantron_config,$scan_data,$line,$whichline,$field,$newvalue,$arg)=@_;
     if ($field eq 'ID') {
 	if ($newvalue > $$scantron_config{'IDlength'}) {
 	    return ($line,1,'New value to large');
@@ -3292,11 +3292,11 @@ sub scantron_fixup_scanline {
 	my $off=$scantron_config->{'Qoff'};
 	my $on=$scantron_config->{'Qon'};
 	my $answer=${off}x$length;
-	if ($arg ne 'none') {
-	    substr($answer,$arg,1)=$on;
-	    &scan_data($scan_data,"no_bubble.$newvalue",undef,'1');
+	if ($arg eq 'none') {
+	    &scan_data($scan_data,"$whichline.no_bubble.$newvalue",'1');
 	} else {
-	    &scan_data($scan_data,"no_bubble.$newvalue",'1');
+	    substr($answer,$arg,1)=$on;
+	    &scan_data($scan_data,"$whichline.no_bubble.$newvalue",undef,'1');
 	}
 	my $where=$length*($newvalue-1)+$scantron_config->{'Qstart'};
 	Apache->request->print("where $where arg $arg ");
@@ -3308,7 +3308,7 @@ sub scantron_fixup_scanline {
 }
 
 sub scan_data {
-    my ($scan_data,$key,$value,$delete);
+    my ($scan_data,$key,$value,$delete)=@_;
     my $filename=$ENV{'form.scantron_selectfile'};
     if (defined($value)) {
 	$scan_data->{$filename.'_'.$key} = $value;
@@ -3318,7 +3318,7 @@ sub scan_data {
 }
 
 sub scantron_parse_scanline {
-    my ($line,$scantron_config,$scan_data)=@_;
+    my ($line,$whichline,$scantron_config,$scan_data)=@_;
     my %record;
     my $questions=substr($line,$$scantron_config{'Qstart'}-1);
     my $data=substr($line,0,$$scantron_config{'Qstart'}-1);
@@ -3351,7 +3351,7 @@ sub scantron_parse_scanline {
 	my @array=split($$scantron_config{'Qon'},$currentquest,-1);
 	if (length($array[0]) eq $$scantron_config{'Qlength'}) {
 	    $record{"scantron.$questnum.answer"}='';
-	    if (!&scan_data($scan_data,"no_bubble.$questnum")) {
+	    if (!&scan_data($scan_data,"$whichline.no_bubble.$questnum")) {
 		push(@{$record{"scantron.missingerror"}},$questnum);
 	    }
 	} else {
@@ -3425,13 +3425,13 @@ sub scantron_process_corrections {
 	    $ENV{'form.scantron_domain'};
 	my $newid=$classlist->{$newstudent}->[&Apache::loncoursedata::CL_ID];
 	($line,$err,$errmsg)=
-	    &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,'ID',
-				     $newid);
+	    &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,$which,
+				     'ID',$newid);
     } elsif ($ENV{'form.scantron_corrections'} =~ /^(missing|double)bubble$/) {
 	foreach my $question (split(',',$ENV{'form.scantron_questions'})) {
 	    ($line,$err,$errmsg)=
 		&scantron_fixup_scanline(\%scantron_config,$scan_data,$line,
-					 'answer',$question,
+					 $which,'answer',$question,
 				    $ENV{"form.scantron_correct_Q_$question"});
 	    if ($err) { last; }
 	}
@@ -3586,7 +3586,8 @@ sub scantron_validate_ID {
     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
 	my $line=&scantron_get_line($scanlines,$i);
 	if (!$line) { next; }
-	my $scan_record=&scantron_parse_scanline($line,\%scantron_config,$scan_data);
+	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
+						 $scan_data);
 	my $id=$$scan_record{'scantron.ID'};
 	$r->print("<p>Checking ID ".$$scan_record{'scantron.ID'}.
 		  " on paper ID ".$$scan_record{'scantron.PaperID'}."</p>\n");
@@ -3713,7 +3714,8 @@ sub scantron_validate_doublebubble {
     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
 	my $line=&scantron_get_line($scanlines,$i);
 	if (!$line) { next; }
-	my $scan_record=&scantron_parse_scanline($line,\%scantron_config,$scan_data);
+	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
+						 $scan_data);
 	if (!defined($$scan_record{'scantron.doubleerror'})) { next; }
 	&scantron_get_correction($r,$i,$scan_record,\%scantron_config,$line,
 				 'doublebubble',
@@ -3737,7 +3739,8 @@ sub scantron_validate_missingbubbles {
     for (my $i=0;$i<=$scanlines->{'count'};$i++) {
 	my $line=&scantron_get_line($scanlines,$i);
 	if (!$line) { next; }
-	my $scan_record=&scantron_parse_scanline($line,\%scantron_config,$scan_data);
+	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
+						 $scan_data);
 	if (!defined($$scan_record{'scantron.missingerror'})) { next; }
 	my @to_correct;
 	foreach my $missing (@{$$scan_record{'scantron.missingerror'}}) {
@@ -3795,7 +3798,8 @@ SCANTRONFORM
 	my $line=&scantron_get_line($scanlines,$i);
 	if (!$line) { next; }
 	$r->print('<pre>line is'.$line.'</pre>');
-	my $scan_record=&scantron_parse_scanline($line,\%scantron_config,$scan_data);
+	my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config,
+						 $scan_data);
 	my ($uname,$udom);
 	unless ($uname=&scantron_find_student($scan_record,\%idmap)) {
 	    &scantron_add_delay(\@delayqueue,$line,
@@ -4165,6 +4169,7 @@ sub send_header {
 #remotewindow.close();
 #</script>"); 
     $request->print(&Apache::loncommon::bodytag('Grading'));
+    $request->rflush();
 }
 
 sub send_footer {