util.java

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   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
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       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
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   See the License for the specific language governing permissions and
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package org.apache.poi.contrib.poibrowser;

import java.awt.*;
import javax.swing.*;

/**
 * <p>Contains various (well, just one at the moment) static utility
 * methods.</p>
 *
 * @author Rainer Klute <a
 * href="mailto:[e-mail]">&lt;[e-mail]&gt;</a>
 * @version $Id: Util.java 489730 2006-12-22 19:18:16Z bayard $
 * @since 2002-01-25
 */
public class Util
{

    /**
     * <p>Makes a Swing component inverted by swapping its foreground
     * and background colors. Hint: Depending on your needs it might
     * also be a good idea to call <tt>c.setOpaque(true)</tt>.</p>
     */
    public static void invert(final JComponent c)
    {
        final Color invBackground = c.getForeground();
        final Color invForeground = c.getBackground();
        c.setBackground(invBackground);
        c.setForeground(invForeground);
    }

}