[JAVA] 09. 04. 01 - MVC 스윙 모델

모델
CountButtonModel.java

import java.awt.*;
import javax.swing.*;

public class CountButtonModel extends DefaultButtonModel {
//ButtonModel 인터페이스를 구현한 DefaultButtonModel 클래스
 private  int  count;
 private  JButton btn;
  
 public CountButtonModel(JButton btn) { 
  //오케이를 버튼으로 받음
  this.btn = btn;
  //모델객체에 있는 버튼에다가 새로들어온 버튼을 할당해줌
  btn.setModel(this);
  //디슷를 통해서 버튼이 필요한 데이터를 설정해줌.
  //버튼이 필요한 데이터 로직은 같은 소스에 들어있음. 셋 모델에서 다른 객체를 준게 아니라 자기자신을줌
  //자기 자신을 준 의미는 여기라는 의미.
 }
 
 public void setPressed(boolean b) {
  if(b) {
   count = ++count % 4;  
   switch(count) {
    case 0:
     btn.setBackground(Color.lightGray);
     break;
    case 1:
     btn.setBackground(Color.green);
     break;
    case 2:
     btn.setBackground(Color.red);
     break;
    case 3:
     btn.setBackground(Color.yellow);
   }   
  }   
 }
}
// 메인에 셋프레스드를 포함하지 않고 따로 관리하는 이유는 유지보수를 쉽게 하기 위해서


뷰
ButtonModelTest
import javax.swing.*;

public class ButtonModelTest extends JFrame {
 JButton  ok;
 
 public ButtonModelTest() {
  super("ButtonModel 테스트");
  ImageIcon rai = new ImageIcon("rai.gif");
  ok = new JButton("OK", rai);
  ok.setRolloverIcon(rai);
  ok.setPressedIcon(rai);
  CountButtonModel model = new CountButtonModel(ok);
  
  getContentPane().add("South", ok);
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  setSize(400, 300);
  setVisible(true);
 }
 
 public static void main(String args[]) {
  new ButtonModelTest();
 }
}




실행결과

0123

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class JListComboBox extends JFrame implements ItemListener {
    protected JList  fruits;
    protected JComboBox  colors;
 protected String items[] = {"apple", "orange", "banana", "pear"};
    public JListComboBox() {
        super("스윙 리스트와 콤보박스");
        getContentPane().setLayout(new FlowLayout());
       
        fruits = new JList(items);
  fruits.addMouseListener(new MouseAdapter() {
   public void mouseClicked(MouseEvent e) {
    int index = fruits.locationToIndex(e.getPoint());
    if (e.getClickCount() == 1) {     
     System.out.println(items[index]);
    } else if(e.getClickCount() == 2) {
     System.out.println("[" + items[index] + "]");     
    }
   }
  });
        fruits.setVisibleRowCount(3);
        JScrollPane sp = new JScrollPane(fruits);

        colors = new JComboBox();
        colors.addItem("white");
        colors.addItem("blue");
        colors.addItem("green");
  colors.addItemListener(this);

        getContentPane().add(sp);
        getContentPane().add(colors);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setSize(300, 200);
        setVisible(true);
    }
 
 public void itemStateChanged(ItemEvent e) {
  Object o = e.getSource();
  if(o == colors) {
   if(e.getStateChange() == ItemEvent.SELECTED) {
    Object data = colors.getSelectedItem();
    System.out.println(data.toString());
   }
  }
 }

    public static void main(String args[]) {
        JListComboBox jlc = new JListComboBox();
    }
}










import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class JListComboBox extends JFrame implements ItemListener {
    protected JList  fruits;
    protected JButton btn;
    protected JComboBox  colors;
 protected String items[] = {"apple", "orange", "banana", "pear"};
    public JListComboBox() {
        super("스윙 리스트와 콤보박스");
        getContentPane().setLayout(new FlowLayout());
       
        fruits = new JList(items);
  fruits.addMouseListener(new MouseAdapter() {
   public void mouseClicked(MouseEvent e) {
    int index = fruits.locationToIndex(e.getPoint());
    if (e.getClickCount() == 1) {     
     System.out.println(items[index]);
    } else if(e.getClickCount() == 2) {
     System.out.println("[" + items[index] + "]");     
    }
   }
  });
        fruits.setVisibleRowCount(3);
        JScrollPane sp = new JScrollPane(fruits);

        colors = new JComboBox();
        colors.addItem("white");
        colors.addItem("blue");
        colors.addItem("green");
  colors.addItemListener(this);
  
   
        getContentPane().add(sp);
        getContentPane().add(colors);
       
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setSize(300, 200);
        setVisible(true);
       
  
         
         
       
    }
 
 public void itemStateChanged(ItemEvent e) {
  Object o = e.getSource();
  if(o == colors) {
   if(e.getStateChange() == ItemEvent.SELECTED) {
    Object data = colors.getSelectedItem();
    System.out.println(data.toString());
   }
  }
 }

    public static void main(String args[]) {
        JListComboBox jlc = new JListComboBox();
    }
}














import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class JListComboBox_1 extends JFrame implements ItemListener {
    protected JList  fruits;
    protected JButton btn;
    protected JComboBox  colors;
 protected String items[] = {"apple", "orange", "banana", "pear"};
   
 public JListComboBox_1() {
        super("스윙 리스트와 콤보박스");
        getContentPane().setLayout(new FlowLayout());
       
        fruits = new JList(items);
        btn = new JButton("b");
  fruits.addMouseListener(new MouseAdapter() {
   public void mouseClicked(MouseEvent e) {
    int index = fruits.locationToIndex(e.getPoint());
    if (e.getClickCount() == 1) {     
     System.out.println(items[index]);
    } else if(e.getClickCount() == 2) {
     System.out.println("[" + items[index] + "]");     
    }
   }
  });
        fruits.setVisibleRowCount(3);
        JScrollPane sp = new JScrollPane(fruits);

        colors = new JComboBox();
        colors.addItem("white");
        colors.addItem("blue");
        colors.addItem("green");
  colors.addItemListener(this);
  
   getContentPane().add(sp);
      getContentPane().add(colors);
      getContentPane().add(btn);
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      setSize(300, 200);
      setVisible(true);
   
       
       
       
        btn.addMouseListener(new MouseAdapter(){
         public void mouseEntered(MouseEvent e) {
          System.out.println("Enter?");
         }
         public void mouseExited(MouseEvent e) {
          System.out.println("Exit?");
         }});
       
         //JScrollPane sp = new JScrollPane(sp);

      
       
    }
 
 public void itemStateChanged(ItemEvent e) {
  Object o = e.getSource();
  if(o == colors) {
   if(e.getStateChange() == ItemEvent.SELECTED) {
    Object data = colors.getSelectedItem();
    System.out.println(data.toString());
   }
  }
 }

    public static void main(String args[]) {
        JListComboBox_1 jlc = new JListComboBox_1();
    }
}