--- loncom/interface/lonhelper.pm	2003/05/14 18:58:21	1.28
+++ loncom/interface/lonhelper.pm	2003/05/14 20:16:56	1.29
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # .helper XML handler to implement the LON-CAPA helper
 #
-# $Id: lonhelper.pm,v 1.28 2003/05/14 18:58:21 bowersj2 Exp $
+# $Id: lonhelper.pm,v 1.29 2003/05/14 20:16:56 bowersj2 Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1419,7 +1419,10 @@ variable stores the results. It also tak
 which controls whether the user can select more then one resource. The 
 "toponly" attribute controls whether the resource display shows just the
 resources in that sequence, or recurses into all sub-sequences, defaulting
-to false.
+to false. The "suppressEmptySequences" attribute reflects the 
+suppressEmptySequences argument to the render routine, which will cause
+folders that have all of their contained resources filtered out to also
+be filtered out.
 
 B<SUB-TAGS>
 
@@ -1480,6 +1483,7 @@ sub start_resource {
     $paramHash->{'variable'} = $token->[2]{'variable'};
     $helper->declareVar($paramHash->{'variable'});
     $paramHash->{'multichoice'} = $token->[2]{'multichoice'};
+    $paramHash->{'suppressEmptySequences'} = $token->[2]{'suppressEmptySequences'};
     $paramHash->{'toponly'} = $token->[2]{'toponly'};
     return '';
 }
@@ -1648,6 +1652,7 @@ BUTTONS
                                        'showParts' => 0,
                                        'filterFunc' => $filterFunc,
                                        'resource_no_folder_link' => 1,
+                                       'suppressEmptySequences' => $self->{'suppressEmptySequences'},
                                        'iterator_map' => $mapUrl }
                                        );