How to change the color of a single JProgressBar in Nimbus?

问题

I'm trying to change the color of a single JProgressBar in Nimbus LAF (Look And Feel). This solution does work, but it changes the colors of ALL JProgressBars :/

    UIDefaults defaults = UIManager.getLookAndFeelDefaults();
    defaults.put("nimbusOrange",defaults.get("nimbusBase"));

In this thread is another solution to change the color for each JProgressBar individually:

    progress = new JProgressBar();
    UIDefaults defaults = new UIDefaults();
    defaults.put("ProgressBar[Enabled].backgroundPainter", new MyPainter());
    progress.putClientProperty("Nimbus.Overrides.InheritDefaults", Boolean.TRUE);
    progress.putClientProperty("Nimbus.Overrides", defaults);

Unfortunately I can't get it to work. I don't know where to find the libary for "MyPainter()". So I tried replacing this method (without knowing what I'm doing) with "defaults.get("nimbusBase")" and "Color.red". Didn't work either.

回答1:

1.can you please to indicate which one from

UIManager.put("ProgressBar.background", Color.orange);
UIManager.put("ProgressBar.foreground", Color.blue);
UIManager.put("ProgressBar.selectionBackground", Color.red);
UIManager.put("ProgressBar.selectionForeground", Color.green);

notice valid UIDefaults for MetalLookAndFeel,

2.then please to search equivalent in Nimbus Defaults

3.then to try override the JProgressBar with logics and with this Painter

来源：https://stackoverflow.com/questions/10847308/how-to-change-the-color-of-a-single-jprogressbar-in-nimbus

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java