01: /* ====================================================================
02: Licensed to the Apache Software Foundation (ASF) under one or more
03: contributor license agreements. See the NOTICE file distributed with
04: this work for additional information regarding copyright ownership.
05: The ASF licenses this file to You under the Apache License, Version 2.0
06: (the "License"); you may not use this file except in compliance with
07: the License. You may obtain a copy of the License at
08:
09: http://www.apache.org/licenses/LICENSE-2.0
10:
11: Unless required by applicable law or agreed to in writing, software
12: distributed under the License is distributed on an "AS IS" BASIS,
13: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: See the License for the specific language governing permissions and
15: limitations under the License.
16: ==================================================================== */
17:
18: package org.apache.poi.contrib.poibrowser;
19:
20: import java.awt.*;
21: import javax.swing.*;
22:
23: /**
24: * <p>Contains various (well, just one at the moment) static utility
25: * methods.</p>
26: *
27: * @author Rainer Klute <a
28: * href="mailto:klute@rainer-klute.de"><klute@rainer-klute.de></a>
29: * @version $Id: Util.java 489730 2006-12-22 19:18:16Z bayard $
30: * @since 2002-01-25
31: */
32: public class Util {
33:
34: /**
35: * <p>Makes a Swing component inverted by swapping its foreground
36: * and background colors. Hint: Depending on your needs it might
37: * also be a good idea to call <tt>c.setOpaque(true)</tt>.</p>
38: */
39: public static void invert(final JComponent c) {
40: final Color invBackground = c.getForeground();
41: final Color invForeground = c.getBackground();
42: c.setBackground(invBackground);
43: c.setForeground(invForeground);
44: }
45:
46: }
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