import java.awt.Cursor;

import java.awt.event.MouseAdapter;

 

import javax.swing.JComponent;

import javax.swing.RootPaneContainer;

 

public class CursorToolkit

  private static Cursor WAIT_CURSOR = Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR);

 

  private static Cursor DEFAULT_CURSOR = Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR);

 

  private final static MouseAdapter mouseAdapter = new MouseAdapter()

  {

  };

 

  private CursorToolkit()

  {

  }

 

  /** Sets cursor for specified component to Wait cursor */

  public static void startWaitCursor(JComponent component)

  {

    RootPaneContainer root = ((RootPaneContainer) component.getTopLevelAncestor());

    root.getGlassPane().setCursor(WAIT_CURSOR);

    root.getGlassPane().addMouseListener(mouseAdapter);

    root.getGlassPane().setVisible(true);

  }

 

  /** Sets cursor for specified component to normal cursor */

  public static void stopWaitCursor(JComponent component)

  {

    RootPaneContainer root = ((RootPaneContainer) component.getTopLevelAncestor());

    root.getGlassPane().setCursor(DEFAULT_CURSOR);

    root.getGlassPane().removeMouseListener(mouseAdapter);

    root.getGlassPane().setVisible(false);

  }