/**
  * Create the button panel to the right of the summary table.
  *
  * @return see above.
  */
 private JPanel createButtonPanel() {
   JPanel panel = new JPanel();
   panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
   panel.add(Box.createRigidArea(new Dimension(0, 10)));
   JPanel channelPanel = UIUtilities.buildComponentPanel(channelSelection);
   // UIUtilities.setDefaultSize(channelPanel, new Dimension(175, 32));
   panel.add(channelPanel);
   panel.add(Box.createRigidArea(new Dimension(0, 10)));
   JPanel intensityPanel = UIUtilities.buildComponentPanel(showIntensityTable);
   UIUtilities.setDefaultSize(intensityPanel, new Dimension(175, 32));
   panel.add(intensityPanel);
   panel.add(Box.createRigidArea(new Dimension(0, 10)));
   JPanel savePanel = UIUtilities.buildComponentPanel(saveButton);
   UIUtilities.setDefaultSize(savePanel, new Dimension(175, 32));
   panel.add(savePanel);
   panel.add(Box.createVerticalGlue());
   return panel;
 }