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Chip 1998 November
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Cafe
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BasicDesktopPaneUI.java
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1998-02-26
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/*
* @(#)BasicDesktopPaneUI.java 1.14 98/02/02
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
*/
package com.sun.java.swing.plaf.basic;
import com.sun.java.swing.*;
import com.sun.java.swing.plaf.*;
import java.awt.Dimension;
import java.awt.Insets;
import java.awt.Graphics;
import java.io.Serializable;
/**
* Basic L&F for a desktop.
* <p>
* Warning: serialized objects of this class will not be compatible with
* future swing releases. The current serialization support is appropriate
* for short term storage or RMI between Swing1.0 applications. It will
* not be possible to load serialized Swing1.0 objects with future releases
* of Swing. The JDK1.2 release of Swing will be the compatibility
* baseline for the serialized form of Swing objects.
*
* @version 1.14 02/02/98
* @author Steve Wilson
*/
public class BasicDesktopPaneUI extends DesktopPaneUI implements Serializable
{
private static Dimension minSize = new Dimension(0,0);
private static Dimension maxSize = new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE);
protected JDesktopPane desktop;
protected DesktopManager desktopManager;
public static ComponentUI createUI(JComponent c) {
return new BasicDesktopPaneUI();
}
public BasicDesktopPaneUI() {
}
public void installUI(JComponent c) {
desktop = (JDesktopPane)c;
installDefaults(c);
installDesktopManager();
}
public void uninstallUI(JComponent c) {
uninstallDefaults(c);
uninstallDesktopManager();
}
protected void installDefaults(JComponent c) {
if (c.getBackground() == null || c.getBackground() instanceof UIResource) {
c.setBackground(UIManager.getColor("Desktop.background"));
}
}
protected void uninstallDefaults(JComponent c) { }
protected void installDesktopManager() {
if(desktop.getDesktopManager() == null) {
desktopManager = new DefaultDesktopManager();
desktop.setDesktopManager(desktopManager);
}
}
protected void uninstallDesktopManager() {
if(desktop.getDesktopManager() == desktopManager) {
desktop.setDesktopManager(null);
}
desktop = null;
}
public void paint(Graphics g, JComponent c) {}
public Dimension getPreferredSize(JComponent c) {return null;}
public Dimension getMinimumSize(JComponent c) {
return minSize;
}
public Dimension getMaximumSize(JComponent c){
return maxSize;
}
}