예제 9월 1일 이벤트 리스너 예제

package net.jeongsam.gui;

import java.awt.Button;
import java.awt.FileDialog;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.event.*;

@SuppressWarnings("serial")
class EventEx02 extends Frame
		implements ActionListener, WindowListener {
	Button b1, b2;
	
	public EventEx02() {
		super("File Dialog Sample");
		b1 = new Button("파일 대화 상자 생성 버튼");
		b2 = new Button("종료 버튼");
		
		b1.addActionListener(this);
		b2.addActionListener(this);
		
		setLayout(new FlowLayout(FlowLayout.CENTER));
		add(b1);
		add(b2);
		
		addWindowListener(this);
		
		setSize(400, 300);
		setVisible(true);
	}
	
	public void actionPerformed(ActionEvent e) {
		if (e.getSource() == b1) {
			FileDialog fdia = new FileDialog(
					this, "열기 대화창에 온 것을 환영합니다.",
					FileDialog.LOAD);
			fdia.setVisible(true);
			b1.requestFocus();
		}
		
		if (e.getSource() == b2) {
			dispose();
			System.exit(0);
		}
	}
	
	@Override
	public void windowActivated(WindowEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void windowClosed(WindowEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void windowClosing(WindowEvent arg0) {
		dispose();
		System.exit(0);
	}

	@Override
	public void windowDeactivated(WindowEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void windowDeiconified(WindowEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void windowIconified(WindowEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void windowOpened(WindowEvent arg0) {
		// TODO Auto-generated method stub
		
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		new EventEx02();
	}
}