//**************************************
// Name: NotePad
// Description:simple notepad application.
// By: Arunkumar Palathera
//
//This code is copyrighted and has// limited warranties.Please see http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=7006&lngWId=2//for details.//**************************************
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FileDialog;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.StringReader;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/*
* NotePad.java
*
* Created on Nov 3, 2006, 9:00:51 AM
*/
/**
*
* @author ARUNKUMAR
*/
public class NotePad extends javax.swing.JFrame {
/** Creates new form NotePad */
File file;
String cp;
public NotePad() {
setTitle("Notepad");
initComponents();
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jMenuBar1 = new javax.swing.JMenuBar();
jMenu1 = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
jMenuItem2 = new javax.swing.JMenuItem();
jMenuItem3 = new javax.swing.JMenuItem();
jSeparator2 = new javax.swing.JPopupMenu.Separator();
jMenuItem4 = new javax.swing.JMenuItem();
jMenu2 = new javax.swing.JMenu();
jMenuItem5 = new javax.swing.JMenuItem();
jSeparator1 = new javax.swing.JPopupMenu.Separator();
jMenuItem6 = new javax.swing.JMenuItem();
jMenuItem7 = new javax.swing.JMenuItem();
jMenuItem8 = new javax.swing.JMenuItem();
jMenu3 = new javax.swing.JMenu();
jMenuItem9 = new javax.swing.JMenuItem();
jMenuItem10 = new javax.swing.JMenuItem();
jMenu4 = new javax.swing.JMenu();
jMenuItem11 = new javax.swing.JMenuItem();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane1.setViewportView(jTextArea1);
jMenu1.setText("File");
jMenuItem1.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_N, java.awt.event.InputEvent.CTRL_MASK));
jMenuItem1.setText("New");
jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem1ActionPerformed(evt);
}
});
jMenu1.add(jMenuItem1);
jMenuItem2.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_O, java.awt.event.InputEvent.CTRL_MASK));
jMenuItem2.setText("Open");
jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem2ActionPerformed(evt);
}
});
jMenu1.add(jMenuItem2);
jMenuItem3.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_S, java.awt.event.InputEvent.CTRL_MASK));
jMenuItem3.setText("Save");
jMenuItem3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem3ActionPerformed(evt);
}
});
jMenu1.add(jMenuItem3);
jMenu1.add(jSeparator2);
jMenuItem4.setText("Exit");
jMenuItem4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem4ActionPerformed(evt);
}
});
jMenu1.add(jMenuItem4);
jMenuBar1.add(jMenu1);
jMenu2.setText("Edit");
jMenuItem5.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_Z, java.awt.event.InputEvent.CTRL_MASK));
jMenuItem5.setText("Undo");
jMenu2.add(jMenuItem5);
jMenu2.add(jSeparator1);
jMenuItem6.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_X, java.awt.event.InputEvent.CTRL_MASK));
jMenuItem6.setText("Cut");
jMenuItem6.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem6ActionPerformed(evt);
}
});
jMenu2.add(jMenuItem6);
jMenuItem7.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_C, java.awt.event.InputEvent.CTRL_MASK));
jMenuItem7.setText("Copy");
jMenuItem7.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem7ActionPerformed(evt);
}
});
jMenu2.add(jMenuItem7);
jMenuItem8.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_V, java.awt.event.InputEvent.CTRL_MASK));
jMenuItem8.setText("Paste");
jMenuItem8.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem8ActionPerformed(evt);
}
});
jMenu2.add(jMenuItem8);
jMenuBar1.add(jMenu2);
jMenu3.setText("Format");
jMenuItem9.setText("UpperCase");
jMenuItem9.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem9ActionPerformed(evt);
}
});
jMenu3.add(jMenuItem9);
jMenuItem10.setText("LowerCase");
jMenuItem10.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem10ActionPerformed(evt);
}
});
jMenu3.add(jMenuItem10);
jMenuBar1.add(jMenu3);
jMenu4.setText("Help");
jMenuItem11.setText("About");
jMenuItem11.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem11ActionPerformed(evt);
}
});
jMenu4.add(jMenuItem11);
jMenuBar1.add(jMenu4);
setJMenuBar(jMenuBar1);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 716, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 477, Short.MAX_VALUE)
.addContainerGap())
);
pack();
}// </editor-fold>
private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {
jTextArea1.setText("");
// TODO add your handling code here:
}
private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {
FileDialog fd = new FileDialog(NotePad.this, "Select File", FileDialog.LOAD);
fd.show();
String sts = null;
if (fd.getFile() != null) {
sts = fd.getDirectory() + fd.getFile();
setTitle(sts);
BufferedReader br = null;
StringBuffer str = new StringBuffer("");
try {
br = new BufferedReader(new FileReader(sts));
String line;
try {
while ((line = br.readLine()) != null) {
str.append(line + "\n");
}
} catch (IOException ex) {
Logger.getLogger(NotePad.class.getName()).log(Level.SEVERE, null, ex);
}
} catch (FileNotFoundException ex) {
Logger.getLogger(NotePad.class.getName()).log(Level.SEVERE, null, ex);
}
String t = str.toString();
jTextArea1.setText(t);
try {
br.close();
} catch (IOException ex) {
Logger.getLogger(NotePad.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
private void jMenuItem3ActionPerformed(java.awt.event.ActionEvent evt) {
FileDialog fd = new FileDialog(NotePad.this, "Save As", FileDialog.SAVE);
fd.show();
String filename = fd.getDirectory() + fd.getFile();
setTitle(filename);
String lne = jTextArea1.getText();
DataOutputStream dp = null;
try {
dp = new DataOutputStream(new FileOutputStream(filename));
} catch (FileNotFoundException ex) {
Logger.getLogger(NotePad.class.getName()).log(Level.SEVERE, null, ex);
}
BufferedReader br = new BufferedReader(new StringReader(lne));
try {
while ((br.readLine()) != null) {
dp.writeBytes(lne + "\r\n");
dp.close();
}
} catch (IOException ex) {
Logger.getLogger(NotePad.class.getName()).log(Level.SEVERE, null, ex);
}
// TODO add your handling code here:
}
private void jMenuItem4ActionPerformed(java.awt.event.ActionEvent evt) {
System.exit(0);
// TODO add your handling code here:
}
private void jMenuItem6ActionPerformed(java.awt.event.ActionEvent evt) {
cp = jTextArea1.getSelectedText();
jTextArea1.replaceRange("", jTextArea1.getSelectionStart(), jTextArea1.getSelectionEnd());
// TODO add your handling code here:
}
private void jMenuItem8ActionPerformed(java.awt.event.ActionEvent evt) {
jTextArea1.replaceRange(cp, jTextArea1.getSelectionStart(), jTextArea1.getSelectionEnd());
// TODO add your handling code here:
}
private void jMenuItem7ActionPerformed(java.awt.event.ActionEvent evt) {
cp = jTextArea1.getSelectedText();
// TODO add your handling code here:
}
private void jMenuItem9ActionPerformed(java.awt.event.ActionEvent evt) {
String up = jTextArea1.getSelectedText();
String cvrt = up.toUpperCase();
jTextArea1.replaceSelection(cvrt);
// TODO add your handling code here:
}
private void jMenuItem10ActionPerformed(java.awt.event.ActionEvent evt) {
String low = jTextArea1.getSelectedText();
String cv = low.toLowerCase();
jTextArea1.replaceSelection(cv);
// TODO add your handling code here:
}
private void jMenuItem11ActionPerformed(java.awt.event.ActionEvent evt) {
final JFrame f = new JFrame("About");
JPanel p1, p2;
JButton close = new JButton("Close");
p1 = new JPanel();
p2 = new JPanel();
f.setVisible(true);
f.setSize(300, 200);
JTextArea j1 = new JTextArea(6, 6);
String abt = "Version:1.0" + "\nDeveloper:Arunkumar.P";
j1.append(abt);
j1.setEditable(false);
p1.add(j1);
p1.setBackground(Color.pink);
//p2.add(close);
p2.setBackground(Color.red);
f.getContentPane().add(p1, BorderLayout.CENTER);
f.getContentPane().add(p2, BorderLayout.SOUTH);
close.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
System.exit(0);
}
});
// TODO add your handling code here:
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new NotePad().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JMenu jMenu1;
private javax.swing.JMenu jMenu2;
private javax.swing.JMenu jMenu3;
private javax.swing.JMenu jMenu4;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JMenuItem jMenuItem1;
private javax.swing.JMenuItem jMenuItem10;
private javax.swing.JMenuItem jMenuItem11;
private javax.swing.JMenuItem jMenuItem2;
private javax.swing.JMenuItem jMenuItem3;
private javax.swing.JMenuItem jMenuItem4;
private javax.swing.JMenuItem jMenuItem5;
private javax.swing.JMenuItem jMenuItem6;
private javax.swing.JMenuItem jMenuItem7;
private javax.swing.JMenuItem jMenuItem8;
private javax.swing.JMenuItem jMenuItem9;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JPopupMenu.Separator jSeparator1;
private javax.swing.JPopupMenu.Separator jSeparator2;
private javax.swing.JTextArea jTextArea1;
// End of variables declaration
}
|
