--- loncom/homework/inputtags.pm	2004/04/27 07:09:45	1.139
+++ loncom/homework/inputtags.pm	2004/05/20 23:11:12	1.142
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # input  definitons
 #
-# $Id: inputtags.pm,v 1.139 2004/04/27 07:09:45 albertel Exp $
+# $Id: inputtags.pm,v 1.142 2004/05/20 23:11:12 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -425,7 +425,7 @@ sub decideoutput {
 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
 	$bgcolor=$possiblecolors{'not_charged_try'};
 	$button=1;
-    } elsif ($awrad eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
+    } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
 	$message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.','<tt>'.$awardmsg.'</tt>');
 	if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');} 
 	$bgcolor=$possiblecolors{'not_charged_try'};
@@ -482,9 +482,26 @@ sub removealldata {
     }
 }
 
+sub hidealldata {
+    my ($id)=@_;
+    foreach my $key (keys(%Apache::lonhomework::results)) {
+	if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
+	    &Apache::lonxml::debug("Hidding $key");
+	    my $newkey=$key;
+	    $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
+	    $Apache::lonhomework::results{$newkey}=
+		$Apache::lonhomework::results{$key};
+	    delete($Apache::lonhomework::results{$key});
+	}
+    }
+}
+
 sub setgradedata {
     my ($award,$msg,$id,$previously_used) = @_;
     # if the student already has it correct, don't modify the status
+    if ($Apache::lonhomework::scantronmode && defined($ENV{'form.CODE'})) {
+	$Apache::lonhomework::results{"resource.CODE"}=$ENV{'form.CODE'};
+    }
     if (!$Apache::lonhomework::scantronmode &&
 	$Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
 	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {