callback ch03 Activity 상속받아 콜백

package ch03;

import java.awt.Color;

public  class Activity1 extends BaseActivity{
	CallbackCheckPosition callbackCheckPosition = new CallbackCheckPosition() {	
		@Override
		public void checkPosition(int x, int y) {
			System.out.println("x :" + x);
			System.out.println("y :" + y);
		}
	}; 
	
	public Activity1(String name) {
		super(name);
	}
	protected void setInitLayout() {
		super.setInitLayout();
		super.panel.setBackground(Color.blue);
	}
	
	


	
}

 

package ch03;

import java.awt.Color;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

public class Activity2 extends BaseActivity {

	CallbackCheckPosition callbackCheckPosition;

	public void setCallbackCheckPosition(CallbackCheckPosition callbackCheckPosition) {
		this.callbackCheckPosition = callbackCheckPosition;
	}

	public Activity2(String name) {
		super(name);
		addEventListener();
	}

	private void addEventListener() {
		this.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(MouseEvent e) {
				int x = e.getX();
				int y = e.getY();
				callbackCheckPosition.checkPosition(x, y);
			}
		});
	}

	protected void setInitLayout() {
		super.setInitLayout();
		super.panel.setBackground(Color.yellow);
	}

}

 

package ch03;


import javax.swing.JFrame;
import javax.swing.JPanel;

public class BaseActivity extends JFrame{

	String name;
	JPanel panel;


	public BaseActivity(String name) {
		this.name = name;
		initData();
		setInitLayout();
	}
	
	private void initData() {
		setTitle(name);
		setSize(500, 500);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
		panel = new JPanel();
		
	}
	protected void setInitLayout() {
		setVisible(true);
		add(panel);
//		panel.setBackground(Color.yellow);
	}




	
}

 

package ch03;

public interface CallbackCheckPosition {

	public abstract void checkPosition (int x, int y);
	
}

 

package ch03;

public class MainTest {

	public static void main(String[] args) {
		Activity1 activity1 = new Activity1("첫번째 화면입니다.");
		Activity2 activity2 = new Activity2("두번째 화면입니다.");
		activity2.setCallbackCheckPosition(activity1.callbackCheckPosition); 
	}

}