public void actionPerformed(ActionEvent e) {
   final String S_ProcName = "actionPerformed";
   Container cont;
   JDesktopPane desktop;
   ICFSecuritySchemaObj schemaObj = swingSchema.getSchema();
   ICFSecuritySecAppObj focus = getSwingFocusAsSecApp();
   ICFSecuritySecAppEditObj editObj = (ICFSecuritySecAppEditObj) focus.getEdit();
   if (editObj != null) {
     focus = editObj;
   }
   ICFSecurityClusterObj referencedObj =
       (ICFSecurityClusterObj) focus.getRequiredContainerCluster(swingIsInitializing);
   java.util.List<ICFSecurityClusterObj> listOfCluster = null;
   listOfCluster = schemaObj.getClusterTableObj().readAllCluster();
   if (listOfCluster == null) {
     throw CFLib.getDefaultExceptionFactory()
         .newNullArgumentException(getClass(), S_ProcName, 0, "listOfCluster");
   }
   Collection<ICFSecurityClusterObj> cltn = listOfCluster;
   JInternalFrame frame =
       swingSchema
           .getClusterFactory()
           .newPickerJInternalFrame(
               referencedObj, null, cltn, new CallbackSecAppClusterChosen());
   ((ICFSecuritySwingClusterJPanelCommon) frame).setPanelMode(CFJPanel.PanelMode.View);
   cont = getParent();
   while ((cont != null) && (!(cont instanceof JInternalFrame))) {
     cont = cont.getParent();
   }
   if (cont != null) {
     JInternalFrame myInternalFrame = (JInternalFrame) cont;
     myInternalFrame.getDesktopPane().add(frame);
     frame.setVisible(true);
     frame.show();
   }
 }