public JComponent getPanel() {
    myPanelWrapper = new JPanel(new GridBagLayout()) {
      @Override
      public Dimension getPreferredSize() {
        final Dimension oldSize = super.getPreferredSize();
        oldSize.width = 200;
        return oldSize;
      }
    };
    //myPanelWrapper.setPreferredSize(new Dimension(200, 800));
    final GridBagConstraints gb =
      new GridBagConstraints(0, 0, 1, 1, 1, 1, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0);
    myPanelWrapper.add(myPanel, gb);
    return ScrollPaneFactory
      .createScrollPane(myPanelWrapper, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
  }
public JComponent getPanel()