Notepad in Java

This is a sample code for 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);

 //popupmenu

 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

 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);

 //addmenu

      menubar.add(file);

 menubar.add(edit);

 menubar.add(format);

 menubar.add(view);

 menubar.add(help);

 setJMenuBar(menubar);

 //menuitem file

 new1=new JMenuItem("New", new ImageIcon("new.jpg"));

 new1.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,Event.CTRL_MASK));

 new1.addActionListener(this);

 //open

 open=new JMenuItem("Open" , new ImageIcon("open.jpg"));

 open.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,Event.CTRL_MASK));

 //open.addActionListener(this);

//save

 save=new JMenuItem("Save" ,new ImageIcon("save.jpg"));

 save.addActionListener(this);

 save.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,Event.CTRL_MASK));

 //saveas

 saveas=new JMenuItem("Save as",new ImageIcon("saveas.jpg"));

 saveas.addActionListener(this);

 //pageset

 pageset=new JMenuItem("Page Setup");

 pageset.addActionListener(this);

 //print

      print=new JMenuItem("Print",new ImageIcon("print.jpg"));

 print.addActionListener(this);

 //exit

 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);

      //edit

 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);

 //format

  word=new JCheckBoxMenuItem("Word Wrap");

      format.add(word);

 //help

 viewhelp =new JMenuItem("View Help",new ImageIcon("help.jpg"));

 abtnotepad=new JMenuItem("About Notepad");

 help.add(viewhelp);

 help.add(abtnotepad);

 abtnotepad.addActionListener(this);

 //chekbox

 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.add(bold);

 //format.add(italic);

 //format.add(underline);

 format.addSeparator();

 format.add(xxx);

 

 //toolbarnew 

 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);

 //format register.....

 italic.addActionListener(this);

 //end

 

 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);

 //setBounds(400,50,700,500);

 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();

}

}