--- loncom/interface/lonnavmaps.pm	2003/05/27 21:00:23	1.193
+++ loncom/interface/lonnavmaps.pm	2003/06/10 20:07:58	1.198
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.193 2003/05/27 21:00:23 bowersj2 Exp $
+# $Id: lonnavmaps.pm,v 1.198 2003/06/10 20:07:58 bowersj2 Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -966,6 +966,10 @@ sub render_communication_status {
         }
     }
 
+    if ($params->{'multipart'} && $part != '0') {
+	$discussionHTML = $feedbackHTML = $errorHTML = '';
+    }
+
     return "<td width=\"75\" align=\"left\" valign=\"center\">$discussionHTML$feedbackHTML$errorHTML&nbsp;</td>";
 
 }
@@ -1021,8 +1025,6 @@ sub render_long_status {
         $result .= '(randomly select ' . $resource->randompick() .')';
     }
     
-    $result .= "&nbsp;</td>\n";
-    
     return $result;
 }
 
@@ -1413,8 +1415,13 @@ sub render {
                         @parts = ($parts[0]);
                         $args->{'condensed'} = 1;
                     }
-                    
                 }
+		# Multipart problem with one part: always "condense" (happens
+		#  to match the desirable behavior)
+		if ($curRes->countParts() == 1) {
+		    @parts = ($parts[0]);
+		    $args->{'condensed'} = 1;
+		}
             }
         } 
             
@@ -1588,7 +1595,14 @@ sub new {
         return undef;
     }
 
-    $self->{NAV_HASH} = \%navmaphash;
+    # try copying into memory
+    my %tmpnavhash;
+    while (my ($k, $v) = each(%navmaphash)) {
+	$tmpnavhash{$k} = $v;
+    }
+    untie %navmaphash;
+
+    $self->{NAV_HASH} = \%tmpnavhash;
     $self->{PARM_HASH} = \%parmhash;
     $self->{INITED} = 0;
 
@@ -1779,6 +1793,16 @@ object for that resource. This method, o
 (as in the resource object) is the only proper way to obtain a
 resource object.
 
+=item * B<getBySymb>(symb):
+
+Based on the symb of the resource, get a resource object for that
+resource. This is one of the proper ways to get a resource object.
+
+=item * B<getMapByMapPc>(map_pc):
+
+Based on the map_pc of the resource, get a resource object for
+the given map. This is one of the proper ways to get a resource object.
+
 =cut
 
 # The strategy here is to cache the resource objects, and only construct them
@@ -1809,6 +1833,14 @@ sub getBySymb {
     return $self->getById($map->map_pc() . '.' . $id);
 }
 
+sub getByMapPc {
+    my $self = shift;
+    my $map_pc = shift;
+    my $map_id = $self->{NAV_HASH}->{'map_id_' . $map_pc};
+    $map_id = $self->{NAV_HASH}->{'ids_' . $map_id};
+    return $self->getById($map_id);
+}
+
 =pod
 
 =item * B<firstResource>():