[20210528] AWT GUI Programming 2일차

package guiprogramming;

import java.awt.Button;
import java.awt.Checkbox;
import java.awt.CheckboxGroup;
import java.awt.Choice;
import java.awt.Color;
import java.awt.Frame;
import java.awt.Label;
import java.awt.List;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

import guiprogramming.AwtEx.Handler5;

public class AwtEx extends Frame implements ActionListener, WindowListener {
	Frame frame;
	MenuBar menuBar;
	Menu menu1, menu2, menu3, menu4, menu5, menu6;
	MenuItem menuItem1, menuItem2, menuItem3, menuItem4, menuItem5, menuItem6;
	Label label1, label2;
	TextField textField1, textField2;
	Choice choice1;
	List list1;
	Button btn1, btn2, btn3, btn4, btn5;
	Checkbox checkbox1, checkbox2, checkbox3;
	CheckboxGroup checkboxGroup;
	Checkbox checkbox4, checkbox5, checkbox6;// 
	TextArea textarea;
	
	AwtEx(String title) {
		
		super(title);
		menuBar =new MenuBar();
		menu1 = new Menu("파일");
		menu2 = new Menu("편집");
		menu3 = new Menu("실행");
		menu4 = new Menu("옵션");
		menu5 = new Menu("창");
		menu6 = new Menu("도움말");
		
		MenuItem menuItem1 = new MenuItem("새 파일");
		MenuItem menuItem2 = new MenuItem("열기");
		MenuItem menuItem3 = new MenuItem("저장");
		MenuItem menuItem4 = new MenuItem("잘라내기");
		MenuItem menuItem5 = new MenuItem("복사");
		MenuItem menuItem6 = new MenuItem("붙여넣기");
		
		menuBar.add(menu1);
		menuBar.add(menu2);
		menuBar.add(menu3);
		menuBar.add(menu4);
		menuBar.add(menu5);
		menuBar.add(menu6);
		
		menu1.add(menuItem1);
		menu1.add(menuItem2);
		menu1.add(menuItem3);
		menu2.add(menuItem4);
		menu2.add(menuItem5);
		menu2.add(menuItem6);
		
		setSize(1000, 800);
		setLocation(400, 200);
		setVisible(true);
		setMenuBar(menuBar);
		
		this.addWindowListener(this);
		
		setLayout(null);
		
		label1 =new Label("ID:", Label.RIGHT);
		textField1 = new TextField(10);
		label2 =new Label("Password:", Label.RIGHT);
		textField2 = new TextField(10);
		choice1 =new Choice();
		btn1 = new Button("검은 배경");
		btn2 = new Button("파란 배경");
		btn3 = new Button("초록 배경");
		btn4 = new Button("빨간 배경");
		btn5 = new Button("닫기");
		checkbox1 = new Checkbox("항목1", true);
		checkbox2 = new Checkbox("항목2", false);
		checkbox3 = new Checkbox("항목3", false);
		checkboxGroup = new CheckboxGroup();
		checkbox4 = new Checkbox("항목1", true);
		checkbox5 = new Checkbox("항목2", false);
		checkbox6 = new Checkbox("항목3", false);
		list1 = new List();
		textarea = new TextArea();

		label1.setSize(80, 30);
		label1.setLocation(0, 60);
		label2.setSize(80, 30);
		label2.setLocation(0, 100);
		textField1.setSize(100, 30);
		textField1.setLocation(90, 60);
		textField2.setSize(100, 30);
		textField2.setLocation(90, 100);
		choice1.setSize(100, 30);
		choice1.setLocation(90,140);
		list1.setSize(100, 140);
		list1.setLocation(90,180);
		checkbox1.setSize(80, 30);
		checkbox1.setLocation(90, 320);
		checkbox2.setSize(80, 30);
		checkbox2.setLocation(180, 320);
		checkbox3.setSize(80, 30);
		checkbox3.setLocation(270, 320);
		checkbox4.setSize(80, 30);
		checkbox4.setLocation(90, 350);
		checkbox5.setSize(80, 30);
		checkbox5.setLocation(180, 350);
		checkbox6.setSize(80, 30);
		checkbox6.setLocation(270, 350);
		checkbox4.setCheckboxGroup(checkboxGroup);
		checkbox5.setCheckboxGroup(checkboxGroup);
		checkbox6.setCheckboxGroup(checkboxGroup);
		btn1.setSize(80,30);
		btn1.setLocation(30, 400);
		btn2.setSize(80,30);
		btn2.setLocation(130, 400);
		btn3.setSize(80,30);
		btn3.setLocation(230, 400);
		btn4.setSize(80,30);
		btn4.setLocation(330, 400);
		btn5.setSize(80,30);
		btn5.setLocation(430, 400);
		textarea.setSize(960, 200);
		textarea.setLocation(20, 500);
		
		add(checkbox1);
		add(checkbox2);
		add(checkbox3);
		add(checkbox4);
		add(checkbox5);
		add(checkbox6);
		add(label1);
		add(textField1);
		add(label2);
		add(textField2);
		add(choice1);
		choice1.add("항목1");
		choice1.add("항목2");
		choice1.add("항목3");
		choice1.add("항목4");
		choice1.add("항목5");
		choice1.add("항목6");
		list1.add("항목1");
		list1.add("항목2");
		list1.add("항목3");
		list1.add("항목4");
		list1.add("항목5");
		list1.add("항목6");
		list1.add("항목7");
		list1.add("항목8");
		list1.add("항목9");
		list1.add("항목10");
		add(list1);
		add(btn1);
		add(btn2);
		add(btn3);
		add(btn4);
		add(btn5);
		add(textarea);
		
		btn1.addActionListener(this);
		btn2.addActionListener(this);
		btn3.addActionListener(this);
		btn4.addActionListener(this);
		Handler5 hd5 = new Handler5();
		btn5.addActionListener(hd5);
	}
	
	public static void main(String[] args) {
		new AwtEx("WindowForm");
	}
	class Handler5 implements ActionListener{

		@Override
		public void actionPerformed(ActionEvent e) {
			
			System.exit(0);
		}
	}
	@Override
	public void actionPerformed(ActionEvent e) {
		
		Object obj = e.getSource();
		if(obj == btn1) {
			this.setBackground(Color.black);
		} else if (obj == btn2) {
			this.setBackground(Color.blue);
		} else if (obj == btn3) {
			this.setBackground(Color.green);
		} else if (obj == btn4) {
			this.setBackground(Color.red);
		}
	}

	@Override
	public void windowOpened(WindowEvent e) {
		
		System.out.println("창 열림");
	}
	@Override
	public void windowClosing(WindowEvent e) {
		System.out.println("창 닫히는 중");
		System.exit(0);
	}
	@Override
	public void windowClosed(WindowEvent e) {
		System.out.println("창 닫힘");		
	}
	@Override
	public void windowIconified(WindowEvent e) {
		System.out.println("창 아이콘화됨");		
	}
	@Override
	public void windowDeiconified(WindowEvent e) {
		System.out.println("창 아이콘 복원");		
	}
	@Override
	public void windowActivated(WindowEvent e) {
		System.out.println("창 활성화됨");		
	}
	@Override
	public void windowDeactivated(WindowEvent e) {
		System.out.println("창 비활성화됨");		
	}
}

어제 넣지 못했던 요소들(choice, list)를 추가하였다. choice의 경우 윈도우의 콤보박스를 가리킨다. AWT에는 list는 윈도우의 리스트인데, list의 행 수를 하나로 줄이면 윈도우의 spinner 대신 쓸 수 있을 듯하다.