--- loncom/interface/lonnavmaps.pm	2002/10/14 18:41:02	1.80
+++ loncom/interface/lonnavmaps.pm	2002/10/15 20:05:35	1.83
@@ -2,7 +2,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.80 2002/10/14 18:41:02 bowersj2 Exp $
+# $Id: lonnavmaps.pm,v 1.83 2002/10/15 20:05:35 bowersj2 Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1080,6 +1080,13 @@ sub new_handle {
                   # with only one part without loss
             }
 
+            # Is it a multipart problem with a single part, now in 
+            # @parts with "0" filtered out? If so, forget it's a multi-part
+            # problem and treat it like a single-part problem.
+            if ( scalar(@parts) == 1 ) {
+                $multipart = 0;
+            }
+
             # Display one part, in event of network error.
             # If this is a single part, we can at least show the correct
             # status, but if it's multipart, we're lost.
@@ -1104,6 +1111,10 @@ sub new_handle {
                     'symb='.&Apache::lonnet::escape($curRes->symb()).
                     '"';
                 my $title = $curRes->title();
+                if (!$title) {
+                    $title = $curRes->src();
+                    $title = substr ($title, rindex($title, "/") + 1);
+                }
                 my $partLabel = "";
                 my $newBranchText = "";
 
@@ -1131,7 +1142,8 @@ sub new_handle {
                 # Display the correct icon, link to open or shut map
                 if ($curRes->is_map()) { 
                     my $mapId = $curRes->map_pc();
-                    my $nowOpen = !defined($filterHash{$mapId});
+                    my $nowOpen = (!defined($filterHash{$mapId}));
+                    if ($condition) {$nowOpen = !$nowOpen;}
                     $icon = $nowOpen ?
                         "navmap.folder.closed.gif" : "navmap.folder.open.gif";
                     $icon = "<img src=\"/adm/lonIcons/$icon\" alt=\"\" border=\"0\" />";
@@ -2577,25 +2589,27 @@ sub extractParts {
 
     $self->{PARTS} = [];
 
-    # Retrieve part count
-    my $metadata = &Apache::lonnet::metadata($self->src(), 'allpossiblekeys');
-    if (!$metadata) {
-        $self->{RESOURCE_ERROR} = 1;
-        $self->{PARTS} = [];
-        return;
-    }
-
-    foreach (split(/\,/,$metadata)) {
-        if ($_ =~ /^parameter\_(.*)\_opendate$/) {
-            push @{$self->{PARTS}}, $1;
+    # Retrieve part count, if this is a problem
+    if ($self->is_problem()) {
+        my $metadata = &Apache::lonnet::metadata($self->src(), 'allpossiblekeys');
+        if (!$metadata) {
+            $self->{RESOURCE_ERROR} = 1;
+            $self->{PARTS} = [];
+            return;
         }
+        
+        foreach (split(/\,/,$metadata)) {
+            if ($_ =~ /^parameter\_(.*)\_opendate$/) {
+                push @{$self->{PARTS}}, $1;
+            }
+        }
+        
+        
+        # Is this possible to do in one line? - Jeremy
+        my @sortedParts = sort @{$self->{PARTS}};
+        $self->{PARTS} = \@sortedParts;
     }
 
-    
-    # Is this possible to do in one line? - Jeremy
-    my @sortedParts = sort @{$self->{PARTS}};
-    $self->{PARTS} = \@sortedParts;
-
     return;
 }