--- loncom/interface/lonnavmaps.pm	2009/11/23 14:56:07	1.439
+++ loncom/interface/lonnavmaps.pm	2010/01/26 11:33:48	1.443
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.439 2009/11/23 14:56:07 wenzelju Exp $
+# $Id: lonnavmaps.pm,v 1.443 2010/01/26 11:33:48 foxr Exp $
 
 #
 # Copyright Michigan State University Board of Trustees
@@ -478,6 +478,7 @@ use Apache::loncommon();
 use Apache::lonenc();
 use Apache::lonlocal;
 use Apache::lonnet;
+
 use POSIX qw (floor strftime);
 use Time::HiRes qw( gettimeofday tv_interval );
 use LONCAPA;
@@ -492,7 +493,7 @@ sub NOTHING { return 3; }
 
 my $resObj = "Apache::lonnavmaps::resource";
 
-# Keep these mappings in sync with lonquickgrades, which uses the colors
+# Keep these mappings in sync with lonquickgrades, which usesthe colors
 # instead of the icons.
 my %statusIconMap = 
     (
@@ -1037,7 +1038,7 @@ sub render_communication_status {
     my $location=&Apache::loncommon::lonhttpdurl("/adm/lonMisc");
     if ($resource->hasDiscussion()) {
         $discussionHTML = $linkopen .
-            '<img alt="'.&mt('New Discussion').'" src="'.$location.'/chat.gif" />' .
+            '<img alt="'.&mt('New Discussion').'" src="'.$location.'/chat.gif" title="'.&mt('New Discussion').'"/>' .
             $linkclose;
     }
     
@@ -1047,7 +1048,7 @@ sub render_communication_status {
             if ($msgid) {
                 $feedbackHTML .= '&nbsp;<a '.$target.' href="/adm/email?display='
                     . &escape($msgid) . '">'
-                    . '<img alt="'.&mt('New E-mail').'" src="'.$location.'/feedback.gif" /></a>';
+                    . '<img alt="'.&mt('New E-mail').'" src="'.$location.'/feedback.gif" title="'.&mt('New E-mail').'"/></a>';
             }
         }
     }
@@ -1061,7 +1062,7 @@ sub render_communication_status {
                 $errorcount++;
                 $errorHTML .= '&nbsp;<a '.$target.' href="/adm/email?display='
                     . &escape($msgid) . '">'
-                    . '<img alt="'.&mt('New Error').'" src="'.$location.'/bomb.gif" /></a>';
+                    . '<img alt="'.&mt('New Error').'" src="'.$location.'/bomb.gif" title="'.&mt('New Error').'"/></a>';
             }
         }
     }
@@ -1528,7 +1529,6 @@ END
         ( $res->NETWORK_FAILURE    => 1,
           $res->NOTHING_SET        => 1,
           $res->CORRECT            => 1 );
-    my @backgroundColors = ("LC_trEven", "LC_trOdd");
 
     # Shared variables
     $args->{'counter'} = 0; # counts the rows
@@ -1763,7 +1763,6 @@ END
         # show them.
         foreach my $part (@parts) {
             $rownum ++;
-            my $backgroundColor = $backgroundColors[$rownum % scalar(@backgroundColors)];
             
             $result .= &Apache::loncommon::start_data_table_row();
 
@@ -3534,7 +3533,11 @@ sub navHash {
     my $self = shift;
     my $param = shift;
     my $id = shift;
-    return $self->{NAV_MAP}->navhash($param . ($id?$self->{ID}:""));
+    my $arg = $param . ($id?$self->{ID}:"");
+    if (defined($arg)) {
+        return $self->{NAV_MAP}->navhash($arg);
+    }
+    return;
 }
 
 =pod
@@ -3777,6 +3780,35 @@ sub is_problem {
     }
     return 0;
 }
+#
+#  The has below is the set of status that are considered 'incomplete'
+#
+my %incomplete_hash = 
+(
+ TRIES_LEFT()     => 1,
+ OPEN()           => 1,
+ ATTEMPTED()      => 1
+
+ );
+#
+#  Return tru if a problem is incomplete... for now incomplete means that
+#  any part of the problem is incomplete. 
+#  Note that if the resources is not a problem, 0 is returned.
+#
+sub is_incomplete {
+    my $self = shift;
+    if ($self->is_problem()) {
+	&Apache::lonnet::logthis('is problem');
+	foreach my $part (@{$self->parts()}) {
+	    &Apache::lonnet::logthis("$part status ".$self->status($part));
+	    if (exists($incomplete_hash{$self->status($part)})) {
+		return 1;
+	    }
+	}
+    }
+    return 0;
+       
+}
 sub is_raw_problem {
     my $self=shift;
     my $src = $self->src();