FlatButton.java

package de.wannawork.jcalendar;
/*
 * Copyright (c) 2003, Bodo Tasche (http://www.wannawork.de)
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright notice, this 
 *       list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice, this 
 *       list of conditions and the following disclaimer in the documentation and/or other 
 *       materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS 
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.border.Border;

/**
 * This is a Button without a Border and a little
 * Mouse-Over-Effect
 * 
 * @author Bodo Tasche, Dennis Urech
 */
public class FlatButton extends JButton implements FocusListener, MouseListener {

    /**
     * Creates the Button
     * @param text Text in the Button
     */
    public FlatButton(String text) {
        super(text);

        _focus = BorderFactory.createLineBorder(Color.lightGray);
        _withoutfocus = BorderFactory.createEmptyBorder(1, 1, 1, 1);

        setContentAreaFilled(false);
        addFocusListener(this);
        addMouseListener(this);
        setBorder(_withoutfocus);
    }

    @Override
    public void paint(Graphics g) {
        if (g instanceof Graphics2D) {
            Graphics2D g2d = (Graphics2D) g;
            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        }
        super.paint(g);
    }
    
    /* (non-Javadoc)
     * @see java.awt.event.FocusListener#focusGained(java.awt.event.FocusEvent)
     */
    public void focusGained(FocusEvent e) {
        setBorder(_focus);
    }

    /* (non-Javadoc)
     * @see java.awt.event.FocusListener#focusLost(java.awt.event.FocusEvent)
     */
    public void focusLost(FocusEvent e) {
        setBorder(_withoutfocus);
    }

    /* (non-Javadoc)
     * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
     */
    public void mouseClicked(MouseEvent e) {
    }

    /* (non-Javadoc)
     * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
     */
    public void mouseEntered(MouseEvent e) {
        setBorder(_focus);
    }

    /* (non-Javadoc)
     * @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
     */
    public void mouseExited(MouseEvent e) {
        setBorder(_withoutfocus);
    }

    /* (non-Javadoc)
     * @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
     */
    public void mousePressed(MouseEvent e) {
    }

    /* (non-Javadoc)
     * @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
     */
    public void mouseReleased(MouseEvent e) {
    }
    /**
     * The focus-Border
     */
    private Border _focus;
    /**
     * The without focus-Border
     */
    private Border _withoutfocus;

}