--- loncom/interface/lonnavmaps.pm	2003/05/16 14:17:08	1.191
+++ loncom/interface/lonnavmaps.pm	2003/05/16 17:54:21	1.192
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.191 2003/05/16 14:17:08 bowersj2 Exp $
+# $Id: lonnavmaps.pm,v 1.192 2003/05/16 17:54:21 bowersj2 Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -47,6 +47,7 @@ use Apache::Constants qw(:common :http);
 use Apache::loncommon();
 use Apache::lonmenu();
 use POSIX qw (floor strftime);
+use Data::Dumper; # for debugging, not always used
 
 # symbolic constants
 sub SYMB { return 1; }
@@ -838,7 +839,7 @@ sub render_resource {
     my $icon = "<img src='/adm/lonIcons/html.gif' alt='' border='0' />";
     
     if ($resource->is_problem()) {
-        if ($part eq "" || $params->{'condensed'}) {
+        if ($part eq '0' || $params->{'condensed'}) {
             $icon = '<img src="/adm/lonIcons/problem.gif" alt="" border="0" />';
         } else {
             $icon = $params->{'indentString'};
@@ -908,7 +909,7 @@ sub render_resource {
         $params->{'displayedHereMarker'} = 1;
     }
 
-    if ($resource->is_problem() && $part ne "" && 
+    if ($resource->is_problem() && $part ne '0' && 
         !$params->{'condensed'}) {
         $partLabel = " (Part $part)";
         $title = "";
@@ -1000,7 +1001,7 @@ sub render_long_status {
         $params->{'multipart'} && $part eq "0";
                 
     my $color;
-    if ($resource->is_problem()) {
+    if ($resource->is_problem() && ($resource->countParts() <= 1 || $part ne '') ) {
         $color = $colormap{$resource->status};
         
         if (dueInLessThen24Hours($resource, $part) ||
@@ -1373,7 +1374,7 @@ sub render {
         # Decide what parts to show.
         if ($curRes->is_problem() && $showParts) {
             @parts = @{$curRes->parts()};
-            $args->{'multipart'} = scalar(@parts) > 1;
+            $args->{'multipart'} = $curRes->multipart();
             
             if ($condenseParts) { # do the condensation
                 if (!$curRes->opendate("0")) {
@@ -1382,13 +1383,13 @@ sub render {
                 }
                 if (!$args->{'condensed'}) {
                     # Decide whether to condense based on similarity
-                    my $status = $curRes->status($parts[1]);
-                    my $due = $curRes->duedate($parts[1]);
-                    my $open = $curRes->opendate($parts[1]);
+                    my $status = $curRes->status($parts[0]);
+                    my $due = $curRes->duedate($parts[0]);
+                    my $open = $curRes->opendate($parts[0]);
                     my $statusAllSame = 1;
                     my $dueAllSame = 1;
                     my $openAllSame = 1;
-                    for (my $i = 2; $i < scalar(@parts); $i++) {
+                    for (my $i = 1; $i < scalar(@parts); $i++) {
                         if ($curRes->status($parts[$i]) != $status){
                             $statusAllSame = 0;
                         }
@@ -1409,7 +1410,7 @@ sub render {
                     if (($statusAllSame && defined($condenseStatuses{$status})) ||
                         ($dueAllSame && $status == $curRes->OPEN && $statusAllSame)||
                         ($openAllSame && $status == $curRes->OPEN_LATER && $statusAllSame) ){
-                        @parts = ();
+                        @parts = ($parts[0]);
                         $args->{'condensed'} = 1;
                     }
                     
@@ -1420,14 +1421,14 @@ sub render {
         # If the multipart problem was condensed, "forget" it was multipart
         if (scalar(@parts) == 1) {
             $args->{'multipart'} = 0;
+        } else {
+            # Add part 0 so we display it correctly.
+            unshift @parts, '0';
         }
 
         # Now, we've decided what parts to show. Loop through them and
         # show them.
-        foreach my $part ('', @parts) {
-            if ($part eq '0') {
-                next;
-            }
+        foreach my $part (@parts) {
             $rownum ++;
             my $backgroundColor = $backgroundColors[$rownum % scalar(@backgroundColors)];
             
@@ -3223,6 +3224,10 @@ number of parts in the problem, not incl
 B<parts> may return an array with more parts in it then countParts
 might lead you to believe.
 
+=item * B<multipart>():
+
+Returns true if the problem is multipart, false otherwise.
+
 =item * B<responseType>($part):
 
 Returns the response type of the part, without the word "response" on the
@@ -3239,7 +3244,7 @@ Retreives the response ID for the given
 sub parts {
     my $self = shift;
 
-    if ($self->ext) { return ['0']; }
+    if ($self->ext) { return []; }
 
     $self->extractParts();
     return $self->{PARTS};
@@ -3263,6 +3268,11 @@ sub countParts {
     return scalar(@{$parts}); # + $delta;
 }
 
+sub multipart {
+    my $self = shift;
+    return $self->countParts() > 1;
+}
+
 sub responseType {
     my $self = shift;
     my $part = shift;