Notepad

[운영자]

package Notepadpackage;

import java.awt.*;
import java.awt.event.*;
import java.io.*;

public class Notepad extends Frame implements WindowListener{
 private NoteActionListener nal = null;
 public TextArea ta = null;
 private MenuBar mb = null;
 private Menu mfile = null;
 private String filename = "새파일";
 private FileDialog fd = null;
 
 public Notepad(){
  fd = new FileDialog(this);
  ta = new TextArea();
  
  add(ta,BorderLayout.CENTER);
  nal = new NoteActionListener(this,fd);
  mb = new MenuBar();
  
  mfile = new Menu("파일");
  itemAdd("새파일",mfile);
  itemAdd("열기",mfile);
  itemAdd("저장",mfile);
  itemAdd("다른 이름으로 저장",mfile);  
  itemAdd("종료",mfile);
  
  mb.add(mfile);
  setMenuBar(mb);
  
  setTitle(filename);
  addWindowListener(this);
 }
 
 private void itemAdd(String title, Menu m){
  MenuItem mi = new MenuItem(title);
  mi.addActionListener(nal);
  m.add(mi);
 }
 public void windowClosing(WindowEvent we){
  dispose();
  System.exit(0);
 }
 
 //window event
 public void windowClosed(WindowEvent we){}
 public void windowOpened(WindowEvent we){}
 public void windowIconified(WindowEvent we){}
 public void windowDeiconified(WindowEvent we){}
 public void windowDeactivated(WindowEvent we){}
 public void windowActivated(WindowEvent we){}
 
 //file read and save
 public void loadFile(String fn){
  File file = new File(fn);
  FileReader fr = null;
  BufferedReader br = null;
  
  try{
   fr = new FileReader(file);
   br = new BufferedReader(fr);
   
   String str = null;
   
   ta.setText("");
   
   while((str = br.readLine())!=null){
    ta.append(str+"\n");
   }
  }catch(IOException ioe){
   ioe.printStackTrace();
  }
  filename = fn;
  setTitle(fn);
 }
 public void saveFile(String fn){
  File file = new File(fn);
  
  try{
   FileOutputStream fos = new FileOutputStream(file);
   PrintStream ps = new PrintStream(fos);
   ps.print(ta.getText());
  }catch(IOException ioe){
   System.out.println("아래와 같은 이유로 파일로부터 내용을 읽을 수 없습니다.");
   ioe.printStackTrace();
  }
  filename = fn;
  setTitle(fn);
 }
 
 public void newFile(){
  filename = "새파일";
  ta.setText("");
  setTitle(filename);
 }
 public static void main(String args[]){
  Notepad np = new Notepad();
  np.setSize(600,450);
  np.setVisible(true);
 }
}