@Override
    protected void addCenterComponentToContentPane(JPanel contentPane, JComponent component) {
      if (myAddDetailViewToEast) {
        JBSplitter splitPane = new JBSplitter(0.3f);
        splitPane.setSplitterProportionKey(getSplitterProportionKey());
        splitPane.setFirstComponent(component);
        splitPane.setSecondComponent((JComponent)myDetailView);
        contentPane.add(splitPane, BorderLayout.CENTER);
      }
      else {
        super.addCenterComponentToContentPane(contentPane, component);
      }
    }
@Override
    protected void addCenterComponentToContentPane(JPanel contentPane, JComponent component)