java 메모장 노트패드 만들기

java 메모장 노트패드  만들기

 

안녕하세요. 예전에 2002년도에 java로 만들었던 메모장 노드패드입니다.

지금 실행시켜보니 기본 작동은 됩니다.

 

버그가 있을수 있으나 필요하신분은 참고하세요..

 

총 3개의 java파일이 필요하며 그밖에 이미지 파일이 필요합니다.

 

소스참고하세요.

 

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/*
BIT - 197기 이세진
Windows homework Notepad
2002년 4월 3일 email:djusti@hanmail.net
*/

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.PrintJob;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.ClipboardOwner;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.TextEvent;
import java.awt.event.TextListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringReader;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JToolBar;
import javax.swing.KeyStroke;

public class Notepad extends JFrame implements ActionListener, TextListener, ClipboardOwner, WindowListener
{
 private JMenu fileMenu;
 private JMenu editMenu;
 private JMenu formMenu;
 private JMenu helpMenu;
 private JMenuItem newFileItem;
 private JMenuItem openItem;
 private JMenuItem saveItem;
 private JMenuItem saveAsItem;
 private JMenuItem printItem;
 private JMenuItem exitItem;
 private JMenuItem cutItem;
 private JMenuItem copyItem;
 private JMenuItem pasteItem;
 private JMenuItem findItem;
 private JMenuItem allSelectItem;
 private JMenuItem lineChangeItem;
 private JMenuItem fontItem;
 private JMenuItem infoItem;
 private JMenuBar menuBar = new JMenuBar();
 private JToolBar toolbar;
 private JButton newTool, openTool, saveTool , cutTool, pasteTool, copyTool;
 public static JTextArea jta;
 public static boolean editState = false;
 private JFileChooser chooser;
 Clipboard cb = getToolkit().getSystemClipboard();
 private Container cp;
 
// -------------------------- Notepad 생성자 (메뉴 구성) --------------------------------------------
 public Notepad()
 {

  cp=getContentPane();
  cp.setLayout(new BorderLayout());

  setJMenuBar(menuBar);
   
  jta = new JTextArea();
  jta.requestFocus();
  jta.setFont(new Font("Courier", Font.PLAIN, 16));
  JScrollPane scroller= new JScrollPane(jta);
  cp.add(scroller);
  fileMenu = new JMenu("파일(F)");
  newFileItem = new JMenuItem("새로만들기");
 
  openItem = new JMenuItem("파일열기");
  saveItem = new JMenuItem("저장");
  saveAsItem = new JMenuItem("다른이름으로저장(A)");
  printItem = new JMenuItem("프린터출력");
  exitItem = new JMenuItem("종료");
  
  fileMenu.setMnemonic('F');
  saveAsItem.setMnemonic('A');
  
  newFileItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, ActionEvent.CTRL_MASK));
  saveItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK));
  openItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, ActionEvent.CTRL_MASK));
  printItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P, ActionEvent.CTRL_MASK));
  exitItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, ActionEvent.CTRL_MASK));

  fileMenu.add(newFileItem);
  fileMenu.add(openItem);
  fileMenu.add(saveItem);
  fileMenu.add(saveAsItem);
  fileMenu.addSeparator();
  fileMenu.add(printItem);
  fileMenu.addSeparator();
  fileMenu.add(exitItem);
  
  editMenu = new JMenu("편집(E)");
  cutItem = new JMenuItem("잘라내기");
  copyItem = new JMenuItem("복사하기");
  pasteItem = new JMenuItem("붙여넣기");
  findItem = new JMenuItem("찾기");
  allSelectItem = new JMenuItem("모두선택하기");
       
  editMenu.setMnemonic('E');
  
  cutItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, ActionEvent.CTRL_MASK));
  copyItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C, ActionEvent.CTRL_MASK));
  pasteItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V, ActionEvent.CTRL_MASK));
  findItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F, ActionEvent.CTRL_MASK));
  allSelectItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, ActionEvent.CTRL_MASK));

  editMenu.add(cutItem);
  editMenu.add(copyItem);
  editMenu.add(pasteItem);
  editMenu.add(copyItem);
  editMenu.addSeparator();
  editMenu.add(findItem);
  editMenu.addSeparator();
  editMenu.add(allSelectItem);
  pasteItem.setEnabled(false);

  formMenu = new JMenu("서식(O)");
  lineChangeItem = new JMenuItem("자동줄바꿈");
  fontItem = new JMenuItem("글꼴(F)");
  
  formMenu.setMnemonic('O');
  lineChangeItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, ActionEvent.CTRL_MASK));
  fontItem.setMnemonic('F');
  
  formMenu.add(lineChangeItem);
  formMenu.add(fontItem);

  helpMenu = new JMenu("도움말(H)");
  infoItem = new JMenuItem("프로그램정보(H)");

  helpMenu.setMnemonic('H');
  
  helpMenu.add(infoItem);

  menuBar.add(fileMenu);
  menuBar.add(editMenu);
  menuBar.add(formMenu);
  menuBar.add(helpMenu);

  toolbar = new JToolBar();
  newTool = new JButton(new ImageIcon("new.gif"));
  newTool.setToolTipText("새파일 입니다.");
  openTool = new JButton(new ImageIcon("open.gif"));
  openTool.setToolTipText("파일 열기 입니다");
  saveTool = new JButton(new ImageIcon("save.gif"));
  saveTool.setToolTipText("파일 저장입니다");
  cutTool = new JButton(new ImageIcon("cut.gif"));
  cutTool.setToolTipText("자르기");
  pasteTool = new JButton(new ImageIcon("paste.gif"));
  pasteTool.setToolTipText("붙여넣기");
  copyTool = new JButton(new ImageIcon("copy.gif"));
  copyTool.setToolTipText("복사하기");

  toolbar.add(newTool);
  toolbar.add(openTool);
  toolbar.add(saveTool);
  toolbar.add(cutTool);
  toolbar.add(pasteTool);
  toolbar.add(copyTool);

  cp.add("North",toolbar);
  newTool.setActionCommand("새로만들기");
  newTool.addActionListener(this);
  openTool.setActionCommand("파일열기");
  openTool.addActionListener(this);
  saveTool.setActionCommand("저장");
  saveTool.addActionListener(this);
  cutTool.setActionCommand("잘라내기");
  cutTool.addActionListener(this);
  pasteTool.setActionCommand("붙여넣기");
  pasteTool.addActionListener(this);
  copyTool.setActionCommand("복사하기");
  copyTool.addActionListener(this);
  
  

//************************ 이벤트핸들러***********************************
  newFileItem.addActionListener(this);
  openItem.addActionListener(this);
  saveItem.addActionListener(this);
  saveAsItem.addActionListener(this);
  printItem.addActionListener(this);
  exitItem.addActionListener(this);

  cutItem.addActionListener(this);
  copyItem.addActionListener(this);
  pasteItem.addActionListener(this);
  findItem.addActionListener(this);
  allSelectItem.addActionListener(this);

  lineChangeItem.addActionListener(this);
  fontItem.addActionListener(this);

  infoItem.addActionListener(this);

  addWindowListener( this );
 }//end of construct

 //*********************액션이벤트처리 **********************************************
 
 public void actionPerformed( ActionEvent e)
 {
  String com=e.getActionCommand();
   
  if ( com.equals("파일") )
  {
  
  }
  else if ( com.equals("새로만들기") )
  {
   newMake();    
  }
   
  
  else if ( com.equals("파일열기"))
  { 
   open();
  }
   
  else if ( com.equals("저장"))
  {
   saveView();
  }
     
  else if ( com.equals("다른이름으로저장(A)"))
  {
   saveView();
   
  }
  
  else if ( com.equals("프린터출력") )
  {
   print();
  }
  else if ( com.equals("종료") )
  {
   exitView();
  }
  else if ( com.equals("잘라내기") )
  {
   cut();
  }
  
  else if ( com.equals("복사하기") )
  {
   copy();
  }
  else if ( com.equals("붙여넣기") )
  {
   paste();
  }
  else if ( com.equals("찾기") )
  {
   Search smf=new Search();
  }
  else if ( com.equals("모두선택하기") )
  {
   jta.selectAll();
  }
  else if ( com.equals("자동줄바꿈") )
  {
   jta.setLineWrap(true);
  }
  else if ( com.equals("글꼴(F)") )
  {
   JDialog jd = new SetFont();
   
   
  }
  else if ( com.equals("프로그램정보(H)") )
  {
   JOptionPane.showMessageDialog(this, "sejin Notepad version 1.0\n 만든이: Lee se Jin ","정보"
   ,JOptionPane.INFORMATION_MESSAGE);
  }
  
 }
//------------------------------------- 텍스트 이번트 핸들러 ---------------------------------------------
 public void textValueChanged ( TextEvent e )
 {
    editState = true;   
 }

 public void lostOwnership(Clipboard db, Transferable contents)
 {}
// -----------------------------------------------------------------------------------------------------
 public void print() // 프린터 출력 메소드
 {
  try
  {
      String printer = jta.getText();
      String str;
      PrintJob pj = this.getToolkit().getPrintJob(this,"인쇄중",null);
      Graphics g = pj.getGraphics();
      BufferedReader intxt = new BufferedReader(new StringReader(printer));
      for(int i=100;(str = intxt.readLine())!=null;i=i+13)
      {
       g.drawString(str,80,i);
      }
      g.dispose();
      pj.end();
  }
  catch(Exception ex)
  {}
 }
 
 public void newMake() // 새로만들기 메소드
 {
  jta.setText("");
  Font f1 = new Font("Verdana", Font.PLAIN, 16);
  jta.setFont(f1);
 }
 public void open() // 파일 열기 메소드
 {
  try
  {
   chooser = new JFileChooser();
   int returnVal = chooser.showOpenDialog(this);
            if (returnVal == JFileChooser.APPROVE_OPTION)
   {
       File  infile = chooser.getSelectedFile();
    BufferedReader in = new BufferedReader ( new FileReader ( infile ) ) ;
    String line;
    jta.setText("");
    while ((line = in.readLine()) != null)
    {
     jta.append(line+"\r\n"); 
    }
    in.close();
   }
  }
  catch( FileNotFoundException e1) {}
  catch( IOException e2) {}
 }
 public void cut()  // 잘라내기 메소드
 {
  String data = jta.getSelectedText();
  StringSelection ss = new StringSelection(data);
  cb.setContents(ss, Notepad.this);
  pasteItem.setEnabled(true);
  jta.replaceRange("",jta.getSelectionStart(), jta.getSelectionEnd());
  pasteItem.setEnabled(true);
 }
 public void copy()  // 편집창 카피 메소드
 {
  String data = jta.getSelectedText();
  StringSelection ss = new StringSelection(data);
  cb.setContents(ss, Notepad.this);
  pasteItem.setEnabled(true);
 
 }
 public void paste() // 붙여넣기 메소드
 {
  Transferable tf = cb.getContents(DataFlavor.stringFlavor);
  if ( tf == null)
   return;
  String data = null;
  try
  {
   data = (String)tf.getTransferData(DataFlavor.stringFlavor);
   jta.insert(data, jta.getCaretPosition());
  }
  catch(Exception ex)
  {
   System.err.println("Data Paste Error");
  }
 }
 

 public void saveView()  // 저장시킬 화면 메소드
 {
  chooser = new JFileChooser(".");
  int returnVal = chooser.showSaveDialog(Notepad.this);
  if(returnVal == JFileChooser.APPROVE_OPTION)
  {
   try
   {
    File file = chooser.getSelectedFile();
    PrintWriter out=new PrintWriter(new FileWriter(file));
    out.write(jta.getText());
    setTitle(file.getName());
    out.close();
   }
   catch(Exception et){}
  }
 }
 
 public void exitView() // 저장 & 종료 창 메소드
 {
  if((jta.getText()).equals("") )
  {
      dispose();
      System.exit(0);
  }
  else
  {
   int result = JOptionPane.showConfirmDialog(this, "변경된 파일을 저장하시겠습니까?","sejin Notepad"
   ,JOptionPane.YES_NO_OPTION,JOptionPane.QUESTION_MESSAGE);
   if(result == 0)
   {
    saveView();
   }
   else
   {
    dispose();
    System.exit(0);
   }
  }
 }
//----------------------------------------------- 창을 닫을시 이벤트 처리 ------------------------------------- 
 public void windowActivated (WindowEvent  e)
    {}
 public void windowClosing (WindowEvent  e)
 {exitView();}
 public void windowDeactivated (WindowEvent  e)
 {}
 public void windowDeiconified (WindowEvent  e)
    {} 
 public void windowIconified (WindowEvent  e)
 {}
 public void windowOpened (WindowEvent  e)
 {}

 public void windowClosed( WindowEvent ev)
 {
 } 
 

//################################### 메인메소드 ####################################################
 public static void main(String[] args)
 {
  Notepad note = new Notepad();
  note.setTitle("sejin Notepad");
  note.setSize(400,500);
  note.setVisible(true);
 }
}
----------------------------------------------------------------------------------------------------------------------------------------------

 

자바프로그램을 실행시키면 사진처럼 간단한 메모장 프로그램이 실행됩니다.