[Java] 실습 (evevt) 리스너

package swing.listener;

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
//------------------------------------------------------------------------------------------
// public class MouseListenerAllExam extends JFrame
//------------------------------------------------------------------------------------------

public class MouseListenerAllExam extends JFrame {
	JPanel contentPane = new JPanel();
	JLabel la;
	
	//------------------------------------------------------------------------------------------
	// 생성자
	//------------------------------------------------------------------------------------------
	MouseListenerAllExam() {
		setTitle("마우스 리스너와 마우스 모션리스너 공부하기");
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setContentPane(contentPane);
		
		contentPane.addMouseListener(new MyMotionListener());
		contentPane.addMouseMotionListener(new MyMotionListener());
		
		la = new JLabel("No Motion Event");
		contentPane.add(la);
		setSize(600, 400);
		setVisible(true);
		
	} // End - 생성자
	
	//------------------------------------------------------------------------------------------
	// 마우스 관련 모든 이벤트
	//------------------------------------------------------------------------------------------
	class MyMotionListener implements MouseListener, MouseMotionListener {
		public void mousePressed(MouseEvent e) {
			la.setText("mousePressed (" + e.getX() + ", " + e.getY() + ")");
		}
		public void mouseReleased(MouseEvent e) {
			la.setText("mouseReleased(" + e.getX() + ", " + e.getY() + ")");
		}
		public void mouseClicked(MouseEvent e) {}
		public void mouseEntered(MouseEvent e) {
			JPanel p = (JPanel)e.getSource();
			p.setBackground(Color.MAGENTA);
		}
		public void mouseExited(MouseEvent e) {
			JPanel p = (JPanel)e.getSource();
			p.setBackground(Color.YELLOW);
		}
		public void mouseDragged(MouseEvent e) {
			la.setText("mouseDragged (" + e.getX() + ", " + e.getY() + ")");
		}
		public void mouseMoved(MouseEvent e) {
			la.setText("mouseMoved (" + e.getX() + ", " + e.getY() + ")");
		}
		
	}
	//------------------------------------------------------------------------------------------
	// public static void main(String[] args)
	//------------------------------------------------------------------------------------------
	public static void main(String[] args) {
		new MouseListenerAllExam();

	} // End - public static void main(String[] args)

} // End - public class MouseListenerAllExam extends JFrame