jbuttondemo.java

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/*
 * $Header$
 * $Date$ 
 * $Revision$
 * Copyright (C) 2003-2004 CIC, Tsinghua Univ. 
 */
package jcase.gui.swing;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JTextField;
/**
 * JButtonDemo 
 */
public class JButtonDemo extends BaseSwingDemo implements ActionListener{
	JTextField jtf;
	/**
	 * @see jcase.gui.swing.BaseSwingDemo#init()
	 */
	protected void init() {
		add(createIconButton("Neo","jcase/gui/resources/neo32.png"));
		add(createIconButton("Trinity","jcase/gui/resources/trinity32.png"));
		add(createIconButton("Morpheus","jcase/gui/resources/morpheus32.png"));
		jtf = new JTextField(30);
		add(jtf);
	}
	/**
	 * @see jcase.gui.swing.BaseSwingDemo#getTitle()
	 */
	public String getTitle() {		
		return "JButton演示";
	}
	
	private JButton createIconButton(String command,String imgPath){
		ImageIcon icon = new ImageIcon(imgPath);
		JButton button = new JButton(icon);
		button.setActionCommand(command);
		button.addActionListener(this);
		return button;
	}
	/**
	 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
	 */
	public void actionPerformed(ActionEvent e) {
		jtf.setText(e.getActionCommand());
	}
	
	/**
	 * @see java.awt.Component#getPreferredSize()
	 */
	public Dimension getPreferredSize() {		
		return new Dimension(360,120);
	}
}