Notepad in Java

This is a sample code for Notepad in Java.

Notepad In Java

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import java.io.*;
class popup extends JFrame implements ActionListener {
 final JDesktopPane desk;
 JButton b, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11;
 JPopupMenu popmenu;
 JToolBar tb;
 JScrollPane scroll;
 JTextArea txt;
 JMenuItem cut, copy, paste;
 JMenu file, edit, format, view, help;
 JMenuItem new1, open, save, saveas, print, pageset, exit;
 JMenuItem cut1, copy1, paste1;
 JMenuItem font;
 JMenuItem viewhelp, abtnotepad;
 JMenuBar menubar;
 JCheckBoxMenuItem bold, italic, underline, word;
 JComboBox cb;
 String a[] = {
  "1",
  "2",
  "3"
 };
 popup() {
  setTitle("Notepad++");
  popmenu = new JPopupMenu();
  txt = new JTextArea();
  scroll = new JScrollPane(txt);
  txt.setLineWrap(true);
  cut = new JMenuItem("Cut", new ImageIcon("cut.jpg"));
  copy = new JMenuItem("Copy", new ImageIcon("copy.jpg"));
  paste = new JMenuItem("Paste", new ImageIcon("paste.jpg"));
  menubar = new JMenuBar();
  ImageIcon icon = new ImageIcon("notepad.jpg");
  setIconImage(icon.getImage());
  file = new JMenu("File");
  file.setMnemonic(KeyEvent.VK_F);
  edit = new JMenu("Edit");
  edit.setMnemonic(KeyEvent.VK_E);
  format = new JMenu("Format");
  format.setMnemonic(KeyEvent.VK_T);
  view = new JMenu("View");
  view.setMnemonic(KeyEvent.VK_V);
  help = new JMenu("Help");
  help.setMnemonic(KeyEvent.VK_H);
  menubar.add(file);
  menubar.add(edit);
  menubar.add(format);
  menubar.add(view);
  menubar.add(help);
  setJMenuBar(menubar);
  new1 = new JMenuItem("New", new ImageIcon("new.jpg"));
  new1.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, Event.CTRL_MASK));
  new1.addActionListener(this);
  open = new JMenuItem("Open", new ImageIcon("open.jpg"));
  open.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, Event.CTRL_MASK));
  save = new JMenuItem("Save", new ImageIcon("save.jpg"));
  save.addActionListener(this);
  save.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, Event.CTRL_MASK));
  saveas = new JMenuItem("Save as", new ImageIcon("saveas.jpg"));
  saveas.addActionListener(this);
  pageset = new JMenuItem("Page Setup");
  pageset.addActionListener(this);
  print = new JMenuItem("Print", new ImageIcon("print.jpg"));
  print.addActionListener(this);
  exit = new JMenuItem("Exit");
  exit.addActionListener(this);
  exit.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, Event.CTRL_MASK));
  file.add(new1);
  file.add(open);
  file.add(save);
  file.add(saveas);
  file.addSeparator();
  file.add(pageset);
  file.add(print);
  file.addSeparator();
  file.add(exit);
  cut1 = new JMenuItem("Cut", new ImageIcon("cut.jpg"));
  copy1 = new JMenuItem("Copy", new ImageIcon("copy.jpg"));
  paste1 = new JMenuItem("Paste", new ImageIcon("paste.jpg"));
  edit.add(cut1);
  edit.add(copy1);
  edit.add(paste1);
  cut1.addActionListener(this);
  copy1.addActionListener(this);
  paste1.addActionListener(this);
  word = new JCheckBoxMenuItem("Word Wrap");
  format.add(word);
  viewhelp = new JMenuItem("View Help", new ImageIcon("help.jpg"));
  abtnotepad = new JMenuItem("About Notepad");
  help.add(viewhelp);
  help.add(abtnotepad);
  abtnotepad.addActionListener(this);
  bold = new JCheckBoxMenuItem("Bold", new ImageIcon("bold.jpg"));
  italic = new JCheckBoxMenuItem("Italic", new ImageIcon("italic.jpg"));
  underline = new JCheckBoxMenuItem("UnderLine", new ImageIcon("underline.jpg"));
  JMenu nn = new JMenu("Bold");
  nn.add(bold);
  nn.add(italic);
  nn.add(underline);
  format.add(nn);
  ButtonGroup bg = new ButtonGroup();
  JRadioButtonMenuItem left = new JRadioButtonMenuItem("Left", new ImageIcon("left.jpg"));
  JRadioButtonMenuItem center = new JRadioButtonMenuItem("Center", new ImageIcon("center.jpg"));
  JRadioButtonMenuItem right = new JRadioButtonMenuItem("Right", new ImageIcon("right.jpg"));
  JRadioButtonMenuItem just = new JRadioButtonMenuItem("Justify", new ImageIcon("just.jpg"));
  bg.add(left);
  bg.add(center);
  bg.add(right);
  bg.add(just);
  JMenu xxx = new JMenu("Align");
  xxx.add(left);
  xxx.add(center);
  xxx.add(right);
  xxx.add(just);
  format.addSeparator();
  format.add(xxx);
  tb = new JToolBar(SwingConstants.VERTICAL);
  tb.setBackground(Color.green);
  tb.setLayout(new GridLayout(1, 0));
  b = new JButton(new ImageIcon("new.jpg"));
  b1 = new JButton(new ImageIcon("open.jpg"));
  b2 = new JButton(new ImageIcon("save.jpg"));
  b3 = new JButton(new ImageIcon("cut.jpg"));
  b4 = new JButton(new ImageIcon("copy.jpg"));
  b5 = new JButton(new ImageIcon("paste.jpg"));
  b6 = new JButton(new ImageIcon("left.jpg"));
  b6.addActionListener(this);
  b7 = new JButton(new ImageIcon("center.jpg"));
  b7.addActionListener(this);
  b8 = new JButton(new ImageIcon("right.jpg"));
  b8.addActionListener(this);
  b9 = new JButton(new ImageIcon("help.jpg"));
  b10 = new JButton(new ImageIcon("print.jpg"));
  b11 = new JButton(new ImageIcon("right.jpg"));
  cb = new JComboBox(a);
  b.addActionListener(this);
  b.setActionCommand("New");
  b1.addActionListener(this);
  b2.addActionListener(this);
  b3.addActionListener(this);
  b4.addActionListener(this);
  b5.addActionListener(this);
  b6.addActionListener(this);
  b7.addActionListener(this);
  b8.addActionListener(this);
  b9.addActionListener(this);
  b10.addActionListener(this);
  b11.addActionListener(this);
  italic.addActionListener(this);
  tb.add(b);
  tb.add(b1);
  tb.add(b2);
  tb.addSeparator();
  tb.add(cb);
  tb.add(b3);
  tb.add(b4);
  tb.add(b5);
  tb.addSeparator();
  tb.add(b6);
  tb.add(b7);
  tb.add(b8);
  tb.addSeparator();
  tb.add(b9);
  tb.add(b10);
  tb.add(b11);
  add(BorderLayout.NORTH, tb);
  desk = new JDesktopPane();
  add(desk);
  popmenu.add(cut);
  popmenu.add(copy);
  popmenu.add(paste);
  txt.addMouseListener(new MouseAdapter() {
   public void mouseReleased(MouseEvent e) {
    if (e.isPopupTrigger()) {
     popmenu.setLocation(e.getX(), e.getY());
     popmenu.setVisible(true);
    }
   }
  });
  add(scroll);
  txt.setFont(new Font("Times New Roman", Font.BOLD, 20));
  setSize(500, 400);
  setVisible(true);
  setDefaultCloseOperation(EXIT_ON_CLOSE);
 }
 public void actionPerformed(ActionEvent e) {
  if (e.getSource() == italic) {
   txt.setFont(new Font("Arial", Font.ITALIC, 22));
  }
  if (e.getSource() == cut1 || e.getSource() == b3) {
   txt.cut();
  }
  if (e.getSource() == copy1 || e.getSource() == b4) {
   txt.copy();
  }
  if (e.getSource() == paste1 || e.getSource() == b5) {
   txt.paste();
  }
  if (e.getSource() == new1 || e.getSource() == b) {
   new popup();
  }
  if (e.getSource() == exit) {
   System.exit(0);
  }
  if (e.getSource() == abtnotepad) {
   JOptionPane op = new JOptionPane();
   JOptionPane.showMessageDialog(this, "Notepad is easily to note anything your reqiurnemet", "ABOUTNOTEPAD", JOptionPane.INFORMATION_MESSAGE);
  }
  if (e.getSource() == save) {
   try {
    FileDialog save = new FileDialog(this, "save dear", FileDialog.SAVE);
    save.show();
    FileWriter write = new FileWriter(save.getDirectory() + save.getFile());
    BufferedWriter wr = new BufferedWriter(write);
    wr.write(this.txt.getText());
    wr.close();
   } catch (Exception ex) {
    System.out.println(" " + ex);
   }
  }
  if (e.getSource() == open || e.getSource() == b1) {
   try {
    FileDialog fd = new FileDialog(this, "Open File", FileDialog.LOAD);
    fd.show();
    System.out.println(fd.getDirectory() + fd.getFile());
    FileReader fr = new FileReader(fd.getDirectory() + fd.getFile());
    BufferedReader br = new BufferedReader(fr);
    String hi = br.readLine();
    while (hi != null) {
     txt.append(hi + "\n");
     hi = br.readLine();
    }
    fr.close();
   } catch (Exception ex) {
    System.out.print(" " + ex);
   }
  }
 }
 public static void main(String[] args) {
  new popup();
 }
}