01: /*
02: * Copyright (C) 2004 NNL Technology AB
03: * Visit www.infonode.net for information about InfoNode(R)
04: * products and how to contact NNL Technology AB.
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU General Public License
08: * as published by the Free Software Foundation; either version 2
09: * of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19: * MA 02111-1307, USA.
20: */
21:
22: // $Id: BackgroundPainterColorProvider.java,v 1.7 2005/02/16 11:28:10 jesper Exp $
23: package net.infonode.gui.colorprovider;
24:
25: import net.infonode.gui.ComponentUtil;
26:
27: import javax.swing.*;
28: import java.awt.*;
29: import java.io.ObjectStreamException;
30: import java.io.Serializable;
31:
32: /**
33: * Finds the most suitable background color of a component.
34: * If the component has a {@link net.infonode.gui.componentpainter.ComponentPainter}
35: * that paint its background, like for example a shaped panel, the
36: * color is taken from this painter, otherwise the component background color is used.
37: *
38: * @author $Author: jesper $
39: * @version $Revision: 1.7 $
40: */
41: public class BackgroundPainterColorProvider extends
42: AbstractColorProvider implements Serializable {
43: private static final long serialVersionUID = 1;
44:
45: /**
46: * The only instance of this class.
47: */
48: public static final BackgroundPainterColorProvider INSTANCE = new BackgroundPainterColorProvider();
49:
50: private BackgroundPainterColorProvider() {
51: }
52:
53: public Color getColor(Component component) {
54: Color color = ComponentUtil.getBackgroundColor(component);
55: return color == null ? UIManager.getColor("control") : color;
56: }
57:
58: protected Object readResolve() throws ObjectStreamException {
59: return INSTANCE;
60: }
61:
62: }
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