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package test; 
import java.awt.*; 
import java.awt.event.*; 
import java.awt.datatransfer.*; 
import java.io.*; 
import javax.swing.*; 
import javax.swing.text.*; 
public class notepad extends JPanel 
{ 
JTextArea jta = new JTextArea("", 24, 40); 
JScrollPane jsp = new JScrollPane(jta); 
JMenuBar jmb = new JMenuBar(); 
JMenu file = new JMenu("File"); 
JMenu edit = new JMenu("Edit"); 
JMenu search = new JMenu("Search"); 
JMenu help = new JMenu("Help"); 
JMenuItem jmi; 
JToolBar toolBar=new JToolBar(); 
Clipboard clipbd = getToolkit().getSystemClipboard(); 
class newL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e) 
{ 
jta.setDocument(new PlainDocument()); 
} 
} 
class openL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e) 
{ 
JFileChooser fc = new JFileChooser(); 
int returnVal = fc.showDialog(notepad.this, "Open file"); 
if(returnVal == JFileChooser.APPROVE_OPTION) 
{ 
String file = fc.getSelectedFile().getPath(); 
if(file == null) 
{ 
return; 
} 
try 
{ 
Reader in = new FileReader(file); 
char[] buff = new char[4096]; 
int nch; 
while((nch = in.read(buff, 0, buff.length)) != -1) 
{ 
jta.setDocument(new PlainDocument()); 
jta.append(new String(buff, 0, nch)); 
} 
} 
catch (IOException io) 
{ 
System.err.println("IOException: " + io.getMessage()); 
} 
} 
else 
{ 
return;
} 
} 
} 
class saveL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e) 
{ 
JFileChooser fc = new JFileChooser(); 
int returnVal = fc.showSaveDialog(notepad.this); 
if(returnVal == JFileChooser.APPROVE_OPTION) 
{ 
String savefile = 
fc.getSelectedFile().getPath(); 
if(savefile == null) 
{ 
return; 
} 
else 
{ 
String docToSave = jta.getText(); 
if(docToSave != null) 
{ 
FileOutputStream fstrm = 
null; 
BufferedOutputStream 
ostrm = null; 
try 
{ 
fstrm = new 
FileOutputStream(savefile); 
ostrm = new 
BufferedOutputStream(fstrm); 
byte[] bytes 
= null; 
try 
{ 
bytes = docToSave.getBytes(); 
} 
catch(Exception e1) 
{ 
e1.printStackTrace(); 
} 
ostrm.write(bytes); 
} 
catch(IOException io) 
{ 
System.err.println("IOException: " + 
io.getMessage()); 
} 
finally 
{ 
try 
{ 
ostrm.flush(); 
fstrm.close(); 
ostrm.close(); 
} 
catch(IOException ioe) 
{ 
System.err.println("IOException: " + 
ioe.getMessage());
} 
} 
} 
} 
} 
else 
{ 
return; 
} 
} 
} 
class exitL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e) 
{ 
System.exit(0); 
} 
} 
class copyL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e) 
{ 
String selection = jta.getSelectedText(); 
StringSelection clipString = new StringSelection(selection); 
clipbd.setContents(clipString, clipString); 
} 
} 
class cutL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e) 
{ 
String selection = jta.getSelectedText(); 
StringSelection clipString = new StringSelection(selection); 
clipbd.setContents(clipString, clipString); 
jta.replaceRange("", jta.getSelectionStart(), 
jta.getSelectionEnd()); 
} 
} 
class pasteL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e) 
{ 
Transferable clipData = clipbd.getContents(notepad.this); 
try 
{ 
String clipString = 
(String)clipData.getTransferData( 
DataFlavor.stringFlavor); 
jta.replaceRange(clipString, 
jta.getSelectionStart(), jta.getSelectionEnd()); 
} 
catch(Exception ex) 
{ 
} 
} 
} 
class deleteL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e)
{ 
String selection = jta.getSelectedText(); 
jta.replaceRange("", jta.getSelectionStart(), 
jta.getSelectionEnd()); 
} 
} 
class selectAllL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e) 
{ 
jta.selectAll(); 
} 
} 
class findL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e) 
{ 
String find = ""; 
find = JOptionPane.showInputDialog( 
"Find what: "); 
} 
} 
class findNextL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e) 
{ 
} 
} 
class aboutL implements ActionListener 
{ 
public void actionPerformed(ActionEvent e) 
{ 
JOptionPane.showMessageDialog(null, 
"Notepad Developed By rohinn"); 
} 
} 
public notepad() 
{ 
setLayout(new BorderLayout()); 
file.add(jmi = new JMenuItem("New",KeyEvent.VK_N)); 
jmi.addActionListener(new newL()); 
file.add(jmi = new JMenuItem("Open",KeyEvent.VK_O)); 
jmi.addActionListener(new openL()); 
file.addSeparator(); 
file.add(jmi = new JMenuItem("Save",KeyEvent.VK_A)); 
jmi.addActionListener(new saveL()); 
file.add(jmi = new JMenuItem("Close",KeyEvent.VK_L)); 
jmi.addActionListener(new exitL()); 
file.setMnemonic(KeyEvent.VK_F); 
jmb.add(file); 
edit.add(jmi=new JMenuItem("Copy",KeyEvent.VK_C)); 
jmi.addActionListener(new copyL()); 
edit.add(jmi=new JMenuItem("Cut",KeyEvent.VK_U)); 
jmi.addActionListener(new cutL()); 
edit.add(jmi=new JMenuItem("Paste",KeyEvent.VK_S)); 
jmi.addActionListener(new pasteL()); 
edit.add(jmi=new JMenuItem("Delete",KeyEvent.VK_E));
jmi.addActionListener(new deleteL()); 
edit.addSeparator(); 
edit.add(jmi=new JMenuItem("SelectAll",KeyEvent.VK_S)); 
jmi.addActionListener(new selectAllL()); 
edit.setMnemonic(KeyEvent.VK_E); 
jmb.add(edit); 
search.add(jmi=new JMenuItem("Find",KeyEvent.VK_F)); 
jmi.addActionListener(new findL()); 
search.add(jmi=new JMenuItem("FindNext",KeyEvent.VK_T)); 
jmi.addActionListener(new findNextL()); 
search.setMnemonic(KeyEvent.VK_S); 
jmb.add(search); 
help.add(jmi=new JMenuItem("About",KeyEvent.VK_A)); 
jmi.addActionListener(new aboutL()); 
help.setMnemonic(KeyEvent.VK_H); 
jmb.add(help); 
add(jmb, BorderLayout.NORTH); 
toolBar.setFloatable(false); 
addButtons(toolBar); 
add(toolBar, BorderLayout.CENTER); 
add(jsp, BorderLayout.SOUTH); 
} 
protected void addButtons(JToolBar toolBar) 
{ 
JButton button = new JButton(new ImageIcon("images/new.gif")); 
button.setToolTipText("Create a new document"); 
button.addActionListener(new newL()); 
toolBar.add(button); 
JButton button1 = new JButton(new ImageIcon("images/open.gif")); 
button1.setToolTipText("Open a document"); 
button1.addActionListener(new openL()); 
toolBar.add(button1); 
JButton button2 = new JButton(new ImageIcon("images/save.gif")); 
button2.setToolTipText("Save the document"); 
button2.addActionListener(new saveL()); 
toolBar.add(button2); 
JButton button3 = new JButton(new ImageIcon("images/copy.gif")); 
button3.setToolTipText("Copy selected text"); 
button3.addActionListener(new copyL()); 
toolBar.add(button3); 
JButton button4 = new JButton(new ImageIcon("images/cut.gif")); 
button4.setToolTipText("Cut selected text"); 
button4.addActionListener(new cutL()); 
toolBar.add(button4); 
JButton button5 = new JButton(new ImageIcon("images/paste.gif")); 
button5.setToolTipText("Paste clipboard"); 
button5.addActionListener(new pasteL()); 
toolBar.add(button5); 
JButton button6 = new JButton(new ImageIcon("images/about.gif")); 
button6.setToolTipText("About application"); 
button6.addActionListener(new aboutL()); 
toolBar.add(button6);
} 
public static void main(String args[]) 
{ 
JFrame f = new JFrame(); 
notepad notepad = new notepad(); 
f.setTitle("rohinn Creation Notepad"); 
f.setBackground(Color.lightGray); 
f.getContentPane().add(notepad,BorderLayout.CENTER); 
f.setSize(800, 500); 
f.setVisible(true); 
} 
}
} 
public static void main(String args[]) 
{ 
JFrame f = new JFrame(); 
notepad notepad = new notepad(); 
f.setTitle("rohinn Creation Notepad"); 
f.setBackground(Color.lightGray); 
f.getContentPane().add(notepad,BorderLayout.CENTER); 
f.setSize(800, 500); 
f.setVisible(true); 
} 
}

More Related Content

Notepad

  • 1. package test; import java.awt.*; import java.awt.event.*; import java.awt.datatransfer.*; import java.io.*; import javax.swing.*; import javax.swing.text.*; public class notepad extends JPanel { JTextArea jta = new JTextArea("", 24, 40); JScrollPane jsp = new JScrollPane(jta); JMenuBar jmb = new JMenuBar(); JMenu file = new JMenu("File"); JMenu edit = new JMenu("Edit"); JMenu search = new JMenu("Search"); JMenu help = new JMenu("Help"); JMenuItem jmi; JToolBar toolBar=new JToolBar(); Clipboard clipbd = getToolkit().getSystemClipboard(); class newL implements ActionListener { public void actionPerformed(ActionEvent e) { jta.setDocument(new PlainDocument()); } } class openL implements ActionListener { public void actionPerformed(ActionEvent e) { JFileChooser fc = new JFileChooser(); int returnVal = fc.showDialog(notepad.this, "Open file"); if(returnVal == JFileChooser.APPROVE_OPTION) { String file = fc.getSelectedFile().getPath(); if(file == null) { return; } try { Reader in = new FileReader(file); char[] buff = new char[4096]; int nch; while((nch = in.read(buff, 0, buff.length)) != -1) { jta.setDocument(new PlainDocument()); jta.append(new String(buff, 0, nch)); } } catch (IOException io) { System.err.println("IOException: " + io.getMessage()); } } else { return;
  • 2. } } } class saveL implements ActionListener { public void actionPerformed(ActionEvent e) { JFileChooser fc = new JFileChooser(); int returnVal = fc.showSaveDialog(notepad.this); if(returnVal == JFileChooser.APPROVE_OPTION) { String savefile = fc.getSelectedFile().getPath(); if(savefile == null) { return; } else { String docToSave = jta.getText(); if(docToSave != null) { FileOutputStream fstrm = null; BufferedOutputStream ostrm = null; try { fstrm = new FileOutputStream(savefile); ostrm = new BufferedOutputStream(fstrm); byte[] bytes = null; try { bytes = docToSave.getBytes(); } catch(Exception e1) { e1.printStackTrace(); } ostrm.write(bytes); } catch(IOException io) { System.err.println("IOException: " + io.getMessage()); } finally { try { ostrm.flush(); fstrm.close(); ostrm.close(); } catch(IOException ioe) { System.err.println("IOException: " + ioe.getMessage());
  • 3. } } } } } else { return; } } } class exitL implements ActionListener { public void actionPerformed(ActionEvent e) { System.exit(0); } } class copyL implements ActionListener { public void actionPerformed(ActionEvent e) { String selection = jta.getSelectedText(); StringSelection clipString = new StringSelection(selection); clipbd.setContents(clipString, clipString); } } class cutL implements ActionListener { public void actionPerformed(ActionEvent e) { String selection = jta.getSelectedText(); StringSelection clipString = new StringSelection(selection); clipbd.setContents(clipString, clipString); jta.replaceRange("", jta.getSelectionStart(), jta.getSelectionEnd()); } } class pasteL implements ActionListener { public void actionPerformed(ActionEvent e) { Transferable clipData = clipbd.getContents(notepad.this); try { String clipString = (String)clipData.getTransferData( DataFlavor.stringFlavor); jta.replaceRange(clipString, jta.getSelectionStart(), jta.getSelectionEnd()); } catch(Exception ex) { } } } class deleteL implements ActionListener { public void actionPerformed(ActionEvent e)
  • 4. { String selection = jta.getSelectedText(); jta.replaceRange("", jta.getSelectionStart(), jta.getSelectionEnd()); } } class selectAllL implements ActionListener { public void actionPerformed(ActionEvent e) { jta.selectAll(); } } class findL implements ActionListener { public void actionPerformed(ActionEvent e) { String find = ""; find = JOptionPane.showInputDialog( "Find what: "); } } class findNextL implements ActionListener { public void actionPerformed(ActionEvent e) { } } class aboutL implements ActionListener { public void actionPerformed(ActionEvent e) { JOptionPane.showMessageDialog(null, "Notepad Developed By rohinn"); } } public notepad() { setLayout(new BorderLayout()); file.add(jmi = new JMenuItem("New",KeyEvent.VK_N)); jmi.addActionListener(new newL()); file.add(jmi = new JMenuItem("Open",KeyEvent.VK_O)); jmi.addActionListener(new openL()); file.addSeparator(); file.add(jmi = new JMenuItem("Save",KeyEvent.VK_A)); jmi.addActionListener(new saveL()); file.add(jmi = new JMenuItem("Close",KeyEvent.VK_L)); jmi.addActionListener(new exitL()); file.setMnemonic(KeyEvent.VK_F); jmb.add(file); edit.add(jmi=new JMenuItem("Copy",KeyEvent.VK_C)); jmi.addActionListener(new copyL()); edit.add(jmi=new JMenuItem("Cut",KeyEvent.VK_U)); jmi.addActionListener(new cutL()); edit.add(jmi=new JMenuItem("Paste",KeyEvent.VK_S)); jmi.addActionListener(new pasteL()); edit.add(jmi=new JMenuItem("Delete",KeyEvent.VK_E));
  • 5. jmi.addActionListener(new deleteL()); edit.addSeparator(); edit.add(jmi=new JMenuItem("SelectAll",KeyEvent.VK_S)); jmi.addActionListener(new selectAllL()); edit.setMnemonic(KeyEvent.VK_E); jmb.add(edit); search.add(jmi=new JMenuItem("Find",KeyEvent.VK_F)); jmi.addActionListener(new findL()); search.add(jmi=new JMenuItem("FindNext",KeyEvent.VK_T)); jmi.addActionListener(new findNextL()); search.setMnemonic(KeyEvent.VK_S); jmb.add(search); help.add(jmi=new JMenuItem("About",KeyEvent.VK_A)); jmi.addActionListener(new aboutL()); help.setMnemonic(KeyEvent.VK_H); jmb.add(help); add(jmb, BorderLayout.NORTH); toolBar.setFloatable(false); addButtons(toolBar); add(toolBar, BorderLayout.CENTER); add(jsp, BorderLayout.SOUTH); } protected void addButtons(JToolBar toolBar) { JButton button = new JButton(new ImageIcon("images/new.gif")); button.setToolTipText("Create a new document"); button.addActionListener(new newL()); toolBar.add(button); JButton button1 = new JButton(new ImageIcon("images/open.gif")); button1.setToolTipText("Open a document"); button1.addActionListener(new openL()); toolBar.add(button1); JButton button2 = new JButton(new ImageIcon("images/save.gif")); button2.setToolTipText("Save the document"); button2.addActionListener(new saveL()); toolBar.add(button2); JButton button3 = new JButton(new ImageIcon("images/copy.gif")); button3.setToolTipText("Copy selected text"); button3.addActionListener(new copyL()); toolBar.add(button3); JButton button4 = new JButton(new ImageIcon("images/cut.gif")); button4.setToolTipText("Cut selected text"); button4.addActionListener(new cutL()); toolBar.add(button4); JButton button5 = new JButton(new ImageIcon("images/paste.gif")); button5.setToolTipText("Paste clipboard"); button5.addActionListener(new pasteL()); toolBar.add(button5); JButton button6 = new JButton(new ImageIcon("images/about.gif")); button6.setToolTipText("About application"); button6.addActionListener(new aboutL()); toolBar.add(button6);
  • 6. } public static void main(String args[]) { JFrame f = new JFrame(); notepad notepad = new notepad(); f.setTitle("rohinn Creation Notepad"); f.setBackground(Color.lightGray); f.getContentPane().add(notepad,BorderLayout.CENTER); f.setSize(800, 500); f.setVisible(true); } }
  • 7. } public static void main(String args[]) { JFrame f = new JFrame(); notepad notepad = new notepad(); f.setTitle("rohinn Creation Notepad"); f.setBackground(Color.lightGray); f.getContentPane().add(notepad,BorderLayout.CENTER); f.setSize(800, 500); f.setVisible(true); } }