--- loncom/homework/outputtags.pm	2005/11/03 11:12:37	1.41
+++ loncom/homework/outputtags.pm	2006/01/17 17:47:24	1.46
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # tags that create controlled output
 #
-# $Id: outputtags.pm,v 1.41 2005/11/03 11:12:37 foxr Exp $
+# $Id: outputtags.pm,v 1.46 2006/01/17 17:47:24 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -57,15 +57,21 @@ sub start_displayduedate {
 	    return '';		# Already shown the duedate for this part.
 	}
     }
-    # since we will show the duedate for this part, remeber it.
+    # since we will show the duedate for this part, remember it.
 
     push (@{$Apache::outputtags::showonce{'displayduedate'}},
 	  $Apache::inputtags::part);
 
+    #  Determine the due date format:
+    #
     my $status=$Apache::inputtags::status['-1'];
     &Apache::lonxml::debug("got a $status in duedatebox");
     my $style = &Apache::lonxml::get_param('style',$parstack,$safeeval);
-    if (($status =~ /CAN.*_ANSWER/) && ($target eq 'web')) {
+    my $format = &Apache::lonxml::get_param('format', $parstack, $safeeval);
+    if (!$format) {
+	$format = undef;
+    }
+    if (($status =~ /CAN.*_ANSWER/)) {
 	my $id = $Apache::inputtags::part;
 	my $date = &Apache::lonnet::EXT("resource.$id.duedate");
 	&Apache::lonxml::debug("duedatebox found $date for $id");
@@ -85,21 +91,35 @@ sub start_displayduedate {
 	}
 
 	if ($showduedate) {
-	    if (lc($style) !~ 'plain') { 
-		$result ='<table border="on"><tr><td>Due '.
-		    &Apache::lonnavmaps::timeToHumanString($date).
-		    '</td></tr></table>';
-	    } else {
-		$result=&mt('Due').' '.&Apache::lonnavmaps::timeToHumanString($date);
+	    my $duetext = &Apache::lonnavmaps::timeToHumanString($date, '', $format);
+	    if ($target eq 'web') {
+		if (lc($style) !~ 'plain') { 
+		    $result ='<table border="on"><tr><td>Due '.$duetext.'</td></tr></table>';
+		} else {
+		    $result=&mt('Due').' '.$duetext;
+		}
+	    } elsif ($target eq 'tex') {
+		# For TeX we'll make the duedate tag work exactly like the 
+		# duedate tag for web.
+
+		my $duetext = &Apache::lonnavmaps::timeToHumanString($date, '', $format);
+		if (lc($style) !~ 'plain') {
+		    # The due date will be put in a box.
+		    
+		    $result = '\framebox{'
+    			       .&mt('Due').' '.$duetext.'}';
+		} else {
+		    $result = &mt('Due') . ' '.$duetext;
+		}
 	    }
 	}
-    } elsif ( $target eq 'edit' ) {
+     
+    } 
+    if ( $target eq 'edit' ) {
 	$result=&Apache::edit::tag_start($target,$token);
 	$result.='</td></tr>';
 	$result.=&Apache::edit::end_table();
-    } elsif {$target eq 'tex'} {
-	# print target.
-	$result ='';		# Stubbed off for now.
+	
     }
     return $result;
 }
@@ -149,12 +169,18 @@ sub end_displaytitle {
 sub multipart {
     my ($uri)=@_;
     if (!defined($uri)) { $uri=$env{'request.uri'}; }
+    my ($symb)=&Apache::lonxml::whichuser();
+
     my @parts;
     my $metadata = &Apache::lonnet::metadata($uri,'packages');
     foreach (split(/\,/,$metadata)) {
 	if ($_ =~ /^part_(.*)$/) {
 	    my $part = $1;
-	    if ($part ne '0') { push(@parts,$part); }
+	    if ($part ne '0' 
+		&& !&Apache::loncommon::check_if_partid_hidden($part, 
+							       $symb)) {
+		push(@parts,$part);
+	    }
 	}
     }
     return @parts;