/* * @(#)BasicViewportUI.java	1.10 05/11/17 * * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */package javax.swing.plaf.basic;import java.awt.*;import javax.swing.*;import javax.swing.border.*;import javax.swing.plaf.*;import java.awt.*;import java.awt.event.*;/** * BasicViewport implementation * * @version 1.1 05/01/98 * @author Rich Schiavi */public class BasicViewportUI extends ViewportUI {    // Shared UI object    private static ViewportUI viewportUI;    public static ComponentUI createUI(JComponent c) {	if(viewportUI == null) {            viewportUI = new BasicViewportUI();	}        return viewportUI;    }    public void installUI(JComponent c) {        super.installUI(c);        installDefaults(c);    }    public void uninstallUI(JComponent c) {        super.uninstallUI(c);    }    protected void installDefaults(JComponent c) {        LookAndFeel.installColorsAndFont(c,					 "Viewport.background",					 "Viewport.foreground",					 "Viewport.font");        LookAndFeel.installProperty(c, "opaque", Boolean.TRUE);    }    protected void uninstallDefaults(JComponent c) {    }}