import java.io.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import java.text.*;
import javax.swing.event.*;
import javax.swing.undo.*;
import javax.swing.text.*;
import javax.swing.KeyStroke.*;
public class mynote extends JFrame implements ActionListener
{
Container c;
MenuBar mb;
Menu m1,m2,m3,m4;
MenuItem m1i1,m1i2,m1i3,m1i4,m1i5,m1i6,m1i7,m1i8,m1i9;
MenuItem m2i1,m2i2,m2i3,m2i4,m2i5,m2i6,m2i7,m2i9,m2i10,m2i11,m2i12,m2i13;
MenuItem m3i1,m3i2;
MenuItem m4i1,m4i2;
CheckboxMenuItem m2i8;
UIManager.LookAndFeelInfo xx[];
JTextArea ta;
String s="",s1,str,str1;
File f1,f2,f3;
MenuShortcut msc;
int flag=0,v,h;
int x,y,i=0;
File f;
FileOutputStream fos;
FileInputStream fis;
byte b[]=new byte[20];
String line="";
DateFormat df,df1;
Date d;
JScrollPane jsp;
int fileflag=0;
String filename;
private UndoManager undo = new UndoManager();
mynote()
{
try
{
xx=UIManager.getInstalledLookAndFeels();
UIManager.setLookAndFeel(xx[1].getClassName());}catch(Exception q){}
c=getContentPane();
c.setLayout(new BorderLayout());
MyWindowAdapter adapter=new MyWindowAdapter(this);
addWindowListener(adapter);
ta=new JTextArea(s,80,80);
c. add(ta);
jsp=new JScrollPane(ta);
c.add(jsp);
setTitle("UNTITLED-NOTEPAD");
msc=new MenuShortcut(79);
mb=new MenuBar();
m1=new Menu("File");
m2=new Menu("Edit");
m3=new Menu("Search");
m4=new Menu("Help");
m1i1=new MenuItem("New");
m1i2=new MenuItem("Open");
m1i8=new MenuItem("-");
m1i9=new MenuItem("-");
m1i3=new MenuItem("Save");
m1i4=new MenuItem("Save As..");
m1i5=new MenuItem("Page Setup");
m1i6=new MenuItem("Print");
m1i7=new MenuItem("Exit");
m1.add(m1i1); m1.add(m1i2); m1.add(m1i3); m1.add(m1i4);m1.add(m1i8);m1.add(m1i5);m1.add(m1i6); m1.add(m1i9);m1.add(m1i7);
m2i10=new MenuItem("-");
m2i11=new MenuItem("-");
m2i12=new MenuItem("-");
m2i1=new MenuItem("Undo");
m2i13=new MenuItem("Redo");
m2i2=new MenuItem("Cut Ctrl+x");
m2i3=new MenuItem("Copy Ctrl+c");
m2i4=new MenuItem("Paste Ctrl+v");
m2i5=new MenuItem("Delete Del");
m2i6=new MenuItem("Select All");
m2i7=new MenuItem("Time/Date F5");
m2i8=new CheckboxMenuItem("WordWrap");
m2i9=new MenuItem("Set Font...");
m2.add(m2i1); m2.add(m2i13); m2.add(m2i10);m2.add(m2i2); m2.add(m2i3); m2.add(m2i4); m2.add(m2i5);m2.add(m2i11);m2.add(m2i6);m2.add(m2i7);m2.add(m2i12);m2.add(m2i8);m2.add(m2i9);
m3i1=new MenuItem("Find...");
m3i2=new MenuItem("FindNext F3");
m3.add(m3i1); m3.add(m3i2);
m4i1=new MenuItem("About Developer");
m4i2=new MenuItem("About Notepad");
m4.add(m4i1); m4.add(m4i2);
mb.add(m1);mb.add(m2);mb.add(m3);mb.add(m4);
setMenuBar(mb);
m1i1.addActionListener(this);
m1i2.addActionListener(this);
m1i3.addActionListener(this);
m1i4.addActionListener(this);
m1i7.addActionListener(this);
m2i1.addActionListener(this);
m2i13.addActionListener(this);
m2i2.addActionListener(this);
m2i3.addActionListener(this);
m2i4.addActionListener(this);
m2i5.addActionListener(this);
m2i6.addActionListener(this);
m2i7.addActionListener(this);
m2i8.addActionListener(this);
m2i9.addActionListener(this);
m3i1.addActionListener(this);
m3i2.addActionListener(this);
m4i1.addActionListener(this);
m4i2.addActionListener(this);
Document doc = ta.getDocument();
doc.addUndoableEditListener(new UndoableEditListener() {
public void undoableEditHappened(UndoableEditEvent evt) {
undo.addEdit(evt.getEdit());
}
});
ta.setWrapStyleWord(false);
setSize(500,500);
setVisible(true);
}
public String getExtension(String f) {
if(f != null) {
int extensionIndex = f.lastIndexOf('.');
if(extensionIndex < 0) {
return null;
}
return f.substring(extensionIndex+1).toLowerCase();
}
return null;
}
public void actionPerformed(ActionEvent ae)
{
if(ae.getSource()==m1i2)
{
FileDialog fd=new FileDialog(this,"Open",FileDialog.LOAD);
fd.setVisible(true);
s=fd.getFile();
setTitle(s+"- NOTEPAD");
str=fd.getDirectory();
str1=(fd.getDirectory()+fd.getFile());
s1=getExtension(s);
try
{
FileReader fr=new FileReader(str1);
BufferedReader br=new BufferedReader(fr);
while((line=br.readLine())!=null)
{
ta.append(line+"\n");
}
}
catch(Exception e){}
}
if(ae.getSource()==m1i3)
{
DataInputStream dis;
try
{
if(fileflag==0)
{
FileDialog fd=new FileDialog(this,"Save",FileDialog.SAVE);
fd.setVisible(true);
s=fd.getFile();
filename=s;
str1=fd.getDirectory()+fd.getFile();
setTitle(s+"- NOTEPAD");
System.out.println(filename);
fileflag=1;
}
s1="";
s1=ta.getText();
FileWriter fw=new FileWriter(filename);
StringReader sr=new StringReader(s1);
BufferedReader br=new BufferedReader(sr);
String lr="";
while((lr=br.readLine())!=null)
{
fw.write(lr+"\r\n");
}
fw.close();
}catch(Exception pe){setTitle("UNTITLED.txt");}
}
if(ae.getSource()==m1i4)
{
FileDialog fd=new FileDialog(this,"Save As",FileDialog.SAVE);
fd.setVisible(true);
s=fd.getFile();
filename=s;
setTitle(s+" - NOTEPAD");
DataInputStream dis;
str1=fd.getDirectory()+fd.getFile();
try
{
s1="";
s1=ta.getText();
FileWriter fw=new FileWriter(filename);
StringReader sr=new StringReader(s1);
BufferedReader br=new BufferedReader(sr);
String lr="";
while((lr=br.readLine())!=null)
{
fw.write(lr+"\r\n");
}
fw.close();
fileflag=1;
}catch(Exception pe){}
}
if(ae.getSource()==m1i7)
{
System.exit(0);
}
if(ae.getSource()==m1i1)
{
s="";
ta.setText(s);
setTitle("UNTITLED-NOTEPAD");
fileflag=0;
filename="";
}
if(ae.getSource()==m2i1)
{
try {
if (undo.canUndo())
{
undo.undo();
}
} catch (CannotUndoException e) { }
}
if(ae.getSource()==m2i9)
{
myfont myfon=new myfont(this);
}
if(ae.getSource()==m2i13)
{
try {
if (undo.canRedo())
{
undo.redo();
}
} catch (CannotRedoException e) { }
}
if(ae.getSource()==m2i2)
{
s=ta.getSelectedText();
ta.cut();
}
if(ae.getSource()==m3i2)
{
search sear=new search(this);
}
if(ae.getSource()==m2i3)
{
s=ta.getSelectedText();
ta.copy();
}
if(ae.getSource()==m2i4)
{
s=ta.getSelectedText();
ta.paste();
}
if(ae.getSource()==m2i6)
{
ta.selectAll();
}
if(ae.getSource()==m2i5)
{
x=ta.getSelectionStart();
y=ta.getSelectionEnd();
ta.replaceRange(" ",x,y);
}
if(ae.getSource()==m2i8)
{
if(ta.getWrapStyleWord()==false)
{
ta.setWrapStyleWord(true);
System.out.println("wordwrap is set");
}
else
{
ta.setWrapStyleWord(false);
System.out.println("wordwrap is not set");
}
}
if(ae.getSource()==m2i7)
{
d=new Date();
df=DateFormat.getDateInstance(DateFormat.MEDIUM);
df1=DateFormat.getTimeInstance(DateFormat.MEDIUM);
str= df.format(d);
str1=df1.format(d);
ta.setText(str+" "+str1);
}
if(ae.getSource()==m3i1)
{
search sear=new search(this);
}
if(ae.getSource()==m4i1)
{
s="This program is developed by B.GopiNath (IVCSE)";
help hel=new help(this);
}
if(ae.getSource()==m4i2)
{
s="This program is developed by B.GopiNath (IVCSE)";
help hel=new help(this);
}
}
public static void main(String a[])
{
new mynote();
}
}
class MyWindowAdapter extends WindowAdapter
{
mynote mynote;
MyWindowAdapter(mynote mynote)
{
this.mynote=mynote;
}
public void windowClosing(WindowEvent we)
{
System.exit(0);
}
}
class myfont extends Dialog implements ActionListener,ItemListener
{
GraphicsEnvironment ge;
java.awt.List l1,l2,l3;
Button b1,b2;
Font f1[];
String f[];
int i,j;
mynote mynote;
TextField tf1,tf2,tf3;
Label ll1,ll2,ll3;
String fn;
int fs,fsize;
public myfont(mynote myno)
{
super(myno,"Font",true);
setLayout(null);
mynote=myno;
ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
l1=new java.awt.List();
l2=new java.awt.List();
l3=new java.awt.List();
b1=new Button("OK");
b2=new Button("CANCEL");
tf1=new TextField(10);
tf2=new TextField(10);
tf3=new TextField(10);
ll1=new Label("Font");
ll2=new Label("Font Style");
ll3=new Label("Size");
ll1.setBounds(20,60,100,20);
add(ll1);
tf1.setBounds(20,80,100,20);
add(tf1);
l1.setBounds(20,100,100,150);
add(l1);
ll2.setBounds(140,60,100,20);
add(ll2);
tf2.setBounds(140,80,100,20);
add(tf2);
l2.setBounds(140,100,100,150);
add(l2);
ll3.setBounds(260,60,100,20);
add(ll3);
tf3.setBounds(260,80,100,20);
add(tf3);
l3.setBounds(260,100,100,150);
add(l3);
b1.setBounds(380,70,80,20);
add(b1);
b2.setBounds(380,95,80,20);
add(b2);
f=ge.getAvailableFontFamilyNames();
for(i=0;i
l1.add(f[i]);
}
l2.add("Regular");
l2.add("Bold");
l2.add("Italic");
l2.add("BoldItalic");
for(i=8;i<=72;i+=2)
l3.add(String.valueOf(i));
b2.addActionListener(this);
b1.addActionListener(this);
l1.addItemListener(this);
l2.addItemListener(this);
l3.addItemListener(this);
setSize(480,280);
setResizable(false);
setVisible(true);
}
public void actionPerformed(ActionEvent fe)
{
if(fe.getSource()==b2)
{
dispose();
}
if(fe.getSource()==b1)
{
mynote.ta.setFont(new Font(fn,fs,fsize));
dispose();
}
}
public void itemStateChanged(ItemEvent ie)
{
if(ie.getSource()==l1)
{
tf1.setText(l1.getSelectedItem());
fn=tf1.getText();
}
if(ie.getSource()==l2)
{
tf2.setText(l2.getSelectedItem());
if(tf2.getText().equals("Bold"))
fs=Font.BOLD;
else
if(tf2.getText().equals("Italic"))
fs=Font.ITALIC;
else
if(tf2.getText().equals("BoldItalic"))
fs=Font.BOLD+Font.ITALIC;
else
fs=Font.PLAIN;
if(tf2.getText()=="")
{
tf2.setText("Regular");
fs=Font.PLAIN;
}
}
if(ie.getSource()==l3)
{
tf3.setText(l3.getSelectedItem());
fsize=Integer.parseInt(tf3.getText());
if(tf3.getText()=="")
{
fsize=8;
}
}
}
}
class search extends Frame implements ActionListener
{
TextField tf;
Button b3,b4;
Checkbox up,dn,mc;
CheckboxGroup cbg;
Label l1;
mynote mynote;
String s,s1;
int l,k,si,ei,i=0;
StringBuffer sb;
public search(mynote mynote)
{ setTitle("Find");
this.mynote=mynote;
l1=new Label("Find");
tf=new TextField(30);
b3=new Button("FindNext..");
b4=new Button("Cancel");
cbg=new CheckboxGroup();
up=new Checkbox("up",cbg,false);
dn=new Checkbox("down",cbg,true);
mc=new Checkbox("Match Case");
setLayout(null);
l1.setBounds(20,60,100,20);
add(l1);
tf.setBounds(20,80,100,20);
add(tf);
b3.setBounds(140,60,100,20);
add(b3);
b4.setBounds(140,90,100,20);
add(b4);
mc.setBounds(10,120,90,10);
add(mc);
setBackground(Color.GRAY);
setSize(300,200);
setVisible(true);
b3.addActionListener(this);
b4.addActionListener(this);
}
public void actionPerformed(ActionEvent e1)
{
if(e1.getSource()==b4)
{
dispose();
}
if(e1.getSource()==b3)
{
s=mynote.ta.getText();
l=s.length();
sb=new StringBuffer(s);
s1=tf.getText();
k=s1.length();
si=sb.indexOf(s1);
ei=si+(k);
mynote.ta.select(si,ei);
}
}
}
class help extends Frame implements ActionListener
{
TextArea l;
Button b;
mynote mynote;
help(mynote mynote)
{ setLayout(null);
this.mynote=mynote;
l=new TextArea(mynote.s,100,100);
b=new Button("CLOSE");
add(l);
b.setBounds(30,70,70,20);
add(b);
b.addActionListener(this);
}
public void actionPerformed(ActionEvent ae2)
{
if(ae2.getSource()==b)
{
dispose();
}
}
}
