Java 7 JColorChooser: Disable Transparency Slider

Question

JDK 7 added a new transparency slider to the JColorChooser:

The proble

Answer 1

According to the documentation, it's possible to just modify/configure the existing classes. So recommended way to go is therefore to create your own ChooserPanels (they need to extend AbstractColorChooserPanel) and then invoke

JColorChooser jc = new JColorChooser();
jc.setChooserPanels(new AbstractColorChooserPanel[]{yourChooserPanel});

Alternatively, if yor aree looking for a faster/nastier/uglier way to do it, wrote this for you:

private static void removeTransparencySlider(JColorChooser jc) throws Exception {

    AbstractColorChooserPanel[] colorPanels = jc.getChooserPanels();
    for (int i = 1; i < colorPanels.length; i++) {
        AbstractColorChooserPanel cp = colorPanels[i];

        Field f = cp.getClass().getDeclaredField("panel");
        f.setAccessible(true);

        Object colorPanel = f.get(cp);
        Field f2 = colorPanel.getClass().getDeclaredField("spinners");
        f2.setAccessible(true);
        Object spinners = f2.get(colorPanel);

        Object transpSlispinner = Array.get(spinners, 3);
        if (i == colorPanels.length - 1) {
            transpSlispinner = Array.get(spinners, 4);
        }
        Field f3 = transpSlispinner.getClass().getDeclaredField("slider");
        f3.setAccessible(true);
        JSlider slider = (JSlider) f3.get(transpSlispinner);
        slider.setEnabled(false);
        Field f4 = transpSlispinner.getClass().getDeclaredField("spinner");
        f4.setAccessible(true);
        JSpinner spinner = (JSpinner) f4.get(transpSlispinner);
        spinner.setEnabled(false);
    }
}

Good luck with it :)