Repaints the parent of the given component. : Swing Utilities « Swing JFC « Java
Repaints the parent of the given component.
//package com.javadocking.util;
import java.awt.Component;
import java.awt.Container;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Window;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLayeredPane;
import javax.swing.JRootPane;
import javax.swing.JWindow;
import javax.swing.SwingUtilities;
/**
* This class contains a collection of static utility methods for Swing.
*
* @author Heidi Rakels.
*/
public class SwingUtil
{
// Public static methods.
/**
* Repaints the parent of the given component. If the parent is null, the component itself is repainted.
*
* @param component The component whose parent will be repainted.
*/
public static void repaintParent(JComponent component)
{
// Get the parent of the component.
JComponent parentComponent = (JComponent)SwingUtilities.getAncestorOfClass(JComponent.class, component);
// Could we find a parent?
if (parentComponent != null)
{
// Repaint the parent.
parentComponent.revalidate();
parentComponent.repaint();
}
else
{
// Repaint the component itself.
component.revalidate();
component.repaint();
}
}
}
