<t:tree2 value="#{backing_index.rubricator.treeModel}"
                 binding="#{backing_index.tree2}" clientSideToggle="false"
                 varNodeToggler="t" var="node" showRootNode="false" preserveToggle="false">
          <f:facet name="root">
            <h:panelGroup>
              <h:commandLink action="#{t.toggleExpanded}"
                             actionListener="#{backing_index.treeAction}">
                <t:graphicImage value="/img/yellow-folder-open.png"
                                rendered="#{t.nodeExpanded}" border="0"/>
                <t:graphicImage value="/img/yellow-folder-closed.png"
                                rendered="#{!t.nodeExpanded}" border="0"/>
              </h:commandLink>
              <h:commandLink action="#{backing_index.nodeSelectAction}"
                             actionListener="#{backing_index2.nodeSelectedActionListener}"
                             value="#{node.fullCode}" immediate="true">
                <f:param value="#{node.id}" name="id"/>
              </h:commandLink>
            </h:panelGroup>
          </f:facet>
          <f:facet name="node">
            <h:panelGroup>
              <h:commandLink action="#{t.toggleExpanded}"
                             actionListener="#{backing_index.treeAction}">
                <t:graphicImage value="/img/yellow-folder-open.png"
                                rendered="#{t.nodeExpanded}" border="0"/>
                <t:graphicImage value="/img/yellow-folder-closed.png"
                                rendered="#{!t.nodeExpanded}" border="0"/>
              </h:commandLink>
              <h:commandLink action="#{backing_index.nodeSelectAction}"
                             actionListener="#{backing_index.nodeSelectedActionListener}"
                             value="#{node.fullCode} - #{node.descr}" immediate="true">
                <f:param value="#{node.id}" name="id"/>
              </h:commandLink>
            </h:panelGroup>
          </f:facet>
        </t:tree2>

   public   void  treeAction(ActionEvent actionEvent)
  {
    // Add event code here...
    RubricItem node = (RubricItem)tree2.getNode();
     if  (node.getChildCount() !=  0 )
       return ;
     if  (tree2.isNodeExpanded())
       return ;
      
    Connection conn =  null ;
     try 
    {
      conn = MyConnection.getConnection();
      rubricator.loadChildren(node, conn);
      node.setLeaf(node.getChildCount() ==  0 );
    }
     catch  (SQLException ex)
    {
       throw   new  FacesException(ex);
    }
     finally 
    {
      MyConnection.closeCOnnection(conn);
    }
  }