Java Swing UIManager adjustBackground(JComponent c)

Description

Change background of given component to light gray on Mac look and feel when the component is in a tabbed container and its background hasn't been already changed (is instance of UIResource).

License

Open Source License

Parameter

Parameter	Description
c	a parameter

Declaration

static void adjustBackground(JComponent c)

Method Source Code


//package com.java2s;
/*// ww w .  j  a  va 2  s.c o  m
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import java.awt.Color;
import java.awt.Component;

import javax.swing.JComponent;
import javax.swing.UIManager;
import javax.swing.plaf.UIResource;

public class Main {
    public static final boolean isAquaLaF = "Aqua".equals(UIManager.getLookAndFeel().getID());
    private static final boolean useDefaultBackground = Boolean
            .getBoolean("nb.explorerview.aqua.defaultbackground");

    /**
     * Change background of given component to light gray on Mac look and feel
     * when the component is in a tabbed container and its background hasn't
     * been already changed (is instance of UIResource).
     *
     * @param c
     */
    static void adjustBackground(JComponent c) {
        if (!isAquaLaF || useDefaultBackground) {
            return;
        }

        if (!isInTabbedContainer(c)) {
            return;
        }

        Color currentBackground = c.getBackground();
        if (currentBackground instanceof UIResource) {
            c.setBackground(UIManager.getColor("NbExplorerView.background"));
        }
    }

    private static boolean isInTabbedContainer(Component c) {
        Component parent = c.getParent();
        while (null != parent) {
            if (parent instanceof JComponent && "TabbedContainerUI".equals(((JComponent) parent).getUIClassID())) //NOI18N
            {
                return true;
            }
            parent = parent.getParent();
        }
        return false;
    }
}