Gets the root pane of the window.
//package com.javadocking.util;
import java.awt.Window;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JRootPane;
import javax.swing.JWindow;
/**
* This class contains a collection of static utility methods for Swing.
*
* @author Heidi Rakels.
*/
public class SwingUtil
{
/**
* Gets the root pane of the window.
* The window should be a javax.swing.JFrame, javax.swing.JDialog
* or javax.swing.JWindow. Otherwise null is returned.
*
* @param window The window whose root pane is retrieved.
* @return The root pane of the window of the component.
*/
public static JRootPane getRootPane(Window window)
{
if (window == null)
{
return null;
}
// Get the root pane if we can find one.
if (window instanceof JFrame)
return ((JFrame)window).getRootPane();
if (window instanceof JWindow)
return ((JWindow)window).getRootPane();
if (window instanceof JDialog)
return ((JDialog)window).getRootPane();
// We could not find a root pane for this window.
return null;
}
}
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