flatbutton.java

日历控件

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.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.UIManager;
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.createEtchedBorder();
		_withoutfocus = BorderFactory.createEmptyBorder(2, 2, 2, 2); 
		
		setBorder(_withoutfocus);
	
		// Work-Around for Bug in jgoodies
		if (UIManager.getLookAndFeel().getClass().toString().startsWith("class com.jgoodies")) {
			setOpaque(false);
		} else {
			setContentAreaFilled(false);
		}
		
		addFocusListener(this);
		addMouseListener(this);
	}

	/* (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;
}