private void layoutVertical(JPanel panel) {
    for (Language language : mySliders.keySet()) {
      JSlider slider = mySliders.get(language);
      JPanel borderPanel = new JPanel(new BorderLayout());
      slider.setPreferredSize(JBUI.size(100));
      borderPanel.add(new JLabel(language.getID()), BorderLayout.NORTH);
      borderPanel.add(slider, BorderLayout.CENTER);
      panel.add(borderPanel, new GridBagConstraints(GridBagConstraints.RELATIVE, 1, 1, 1, 0, 1, GridBagConstraints.CENTER, GridBagConstraints.VERTICAL,
                                                    JBUI.insets(0, 5), 0, 0));
    }
  }
private void layoutVertical(JPanel panel)