NumericKeyListener.java

/*
 *  Copyright (c) 2012 Sam Harwell, Tunnel Vision Laboratories LLC
 *  All rights reserved.
 *
 *  The source code of this document is proprietary work, and is not licensed for
 *  distribution. For information about licensing, contact Sam Harwell at:
 *      sam@tunnelvisionlabs.com
 */
package org.tvl.goworks.editor.go.formatting;

import java.awt.Component;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

/**
 *
 * @author Sam Harwell
 */
public class NumericKeyListener implements KeyListener {

    public NumericKeyListener() {
    }

    @Override
    public void keyTyped(KeyEvent e) {
        if (!Character.isDigit(e.getKeyChar()) && !Character.isISOControl(e.getKeyChar())) {
            e.consume();
            Component component = e.getComponent();
            if (component != null) {
                component.getToolkit().beep();
            }
        }
    }

    @Override
    public void keyPressed(KeyEvent e) {
    }

    @Override
    public void keyReleased(KeyEvent e) {
    }

}