package org.greenstone.gsdl3_extension.mat;

import java.awt.Component;
import java.awt.Cursor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public final class CursorController {
    
    public final static Cursor busyCursor = Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR);
    public final static Cursor defaultCursor = Cursor.getDefaultCursor();  
    private CursorController() {}
    
    public static ActionListener createListener(final Component component, final ActionListener mainActionListener) {
	ActionListener actionListener = new ActionListener() {
		public void actionPerformed(ActionEvent ae) {
		    try {
			component.setCursor(busyCursor);
			mainActionListener.actionPerformed(ae);
		    } finally {
			component.setCursor(defaultCursor);
		    }
		}
	    };
	return actionListener;
    }
}