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JavaProgramming

import javax.swing.JTextArea ;
import javax.swing.JMenu ;
import javax.swing.JMenuBar ;
import javax.swing.JMenuItem ;
import javax.swing.JRadioButtonMenuItem ;
import javax.swing.JScrollPane ;
import javax.swing.JFrame ;
import javax.swing.JPopupMenu ;
import javax.swing.ButtonGroup ;
import java.awt.event.InputEvent ; // ***
import java.awt.event.KeyEvent ; // ***
import java.awt.event.KeyListener ; // ***
import javax.swing.KeyStroke ; // ***
import java.awt.event.ActionEvent ;
class Gui extends JFrame implements KeyListener {
Gui ( ) {
setTitle ( " My Edit " ) ;
setDefaultCloseOperation ( JFrame.EXIT_ON_CLOSE ) ;
}
JMenuItem miCreate = new JMenuItem ( "CreateNewFile" ) ;
JMenuItem miOpen = new JMenuItem ( "Open" ) ;
static JMenuItem miSave = new JMenuItem ( "Save" ) ;
JMenuItem miExit = new JMenuItem ( "Exit" ) ;
JRadioButtonMenuItem miNull = new JRadioButtonMenuItem ( "File Null" , true ) ;
JRadioButtonMenuItem miJava = new JRadioButtonMenuItem ( "Java File" ) ;
JRadioButtonMenuItem miText = new JRadioButtonMenuItem ( "Text File" ) ;
JMenuItem miFont = new JMenuItem ( "Font Format" ) ;
JMenuItem miH1 = new JMenuItem ( "About" ) ;
JMenuBar mainMenu ( ) {
JMenu mFile = new JMenu ( "File" ) ;
mFile.setMnemonic ( KeyEvent.VK_I ) ;
miSave.setEnabled ( false ) ;
mFile.add ( miCreate ) ; mFile.add ( miOpen ) ; mFile.add ( miSave ) ;
/* miSave.addActionListener ( new ActionListener ( ) {
public void actionPerformed ( ActionEvent evt ) {
System.out.println ( "Menu item 'New' clicked." ) ;
}
} ) ;
*/ mFile.addSeparator ( ) ; mFile.add ( miExit ) ;
JMenu mFormat = new JMenu ( "Format" ) ;
mFormat.setMnemonic ( KeyEvent.VK_M ) ;
ButtonGroup bg = new ButtonGroup ( ) ;
bg.add ( miNull ) ; bg.add ( miJava ) ; bg.add ( miText ) ;
mFormat.add ( miNull ) ; mFormat.add ( miJava ) ; mFormat.add ( miText ) ;
mFormat.addSeparator ( ) ; mFormat.add ( miFont ) ;
JMenu mHelp = new JMenu ( "Help" ) ;
mHelp.add ( miH1 ) ;
mHelp.setMnemonic ( KeyEvent.VK_H ) ;
JMenuBar mb = new JMenuBar ( ) ;
mb.add ( mFile ) ; mb.add ( mFormat ) ; mb.add ( mHelp ) ;
return mb ;
}
JMenuItem miCut = new JMenuItem ( "Cut" ) ;
JMenuItem miCopy = new JMenuItem ( "Copy" ) ;
JMenuItem miPaste = new JMenuItem ( "Paste" ) ;
//JMenuItem miDelete = new JMenuItem ( "Delete" ) ;
JPopupMenu pm ( ) {
JPopupMenu p = new JPopupMenu ( ) ;
p.add ( miCut ) ; p.add ( miCopy ) ; p.add ( miPaste ) ; //p.add ( miDelete ) ;
p.addSeparator ( ) ;
return p ;
}
static String las = "" ;
static JTextArea mainText = new JTextArea ( ) ;
JScrollPane mainPaper ( ) {
mainText.setEditable ( false ) ;
JScrollPane sp = new JScrollPane ( mainText ) ;
mainText.addKeyListener ( this ) ;
return sp ;
}
public void keyTyped ( KeyEvent e ) {
}
public void keyPressed ( KeyEvent e ) {
int cout = 0 , comma2 = 0 , comma = 0 ;
for ( int i = 0 ; i < mainText.getSelectionEnd ( ) ; i++ )
if ( mainText.getText ( ).charAt ( i ) == '\'' && comma == 0 )
comma = 1 ;
else if ( mainText.getText ( ).charAt ( i ) == '\'' && comma == 1 )
comma = 0 ;
else if ( mainText.getText ( ).charAt ( i ) == '"' && comma2 == 0 )
comma2 = 1 ;
else if ( mainText.getText ( ).charAt ( i ) == '"' && comma2 == 1 )
comma2 = 0 ;
else if ( mainText.getText ( ).charAt ( i ) == '{' && comma2 == 0 && comma == 0)
cout++ ;
else if ( mainText.getText ( ).charAt ( i ) == '}' && comma2 == 0 && comma == 0 )
cout-- ;
keyCout = cout ;
if ( mainText.getSelectionEnd ( ) > 0 )
if ( mainText.getText ( ).charAt ( mainText.getSelectionEnd ( ) - 1 ) == '\t' && e.getKeyChar ( ) == '}' )
e.setKeyCode ( 8 ) ;
}
static int keyCout = 0 ;
public void keyReleased ( KeyEvent e ) {
if ( e.getKeyChar ( ) == '\n' )
for ( int i = 0 ; i < keyCout ; i++ )
mainText.insert ( ( "\t" ) , mainText.getSelectionEnd ( ) ) ;
}
}

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
class Edit extends Gui implements java.awt.event.ActionListener {
public static void main ( String [ ] args ) {
new Edit ( ) ;
}
java.util.Random ran = new java.util.Random ( ) ;
Edit ( ) {
setBounds ( ran.nextInt ( 600 ) , ran.nextInt ( 400 ) , 500 , 300 ) ;
setGuiItam ( ) ;
setVisible ( true ) ;
}
void setGuiItam ( ) {
setJMenuBar ( mainMenu ( ) ) ;
add ( mainPaper ( ) ) ;
miH1.addActionListener ( this ) ;
miH1.setAccelerator ( KeyStroke.getKeyStroke (
KeyEvent.VK_A , ActionEvent.ALT_MASK ) ) ;
miCreate.addActionListener ( this ) ;
miCreate.setAccelerator ( KeyStroke.getKeyStroke (
KeyEvent.VK_C , ActionEvent.ALT_MASK ) ) ;
miOpen.addActionListener ( this ) ;
miOpen.setAccelerator ( KeyStroke.getKeyStroke (
KeyEvent.VK_O , ActionEvent.ALT_MASK ) ) ;
miSave.addActionListener ( this ) ;
miSave.setAccelerator ( KeyStroke.getKeyStroke (
KeyEvent.VK_S , ActionEvent.ALT_MASK ) ) ;
miExit.addActionListener ( this ) ;
miExit.setAccelerator ( KeyStroke.getKeyStroke (
KeyEvent.VK_Q , ActionEvent.CTRL_MASK ) ) ;
miNull.addActionListener ( this ) ;
miNull.setAccelerator ( KeyStroke.getKeyStroke (
KeyEvent.VK_N , ActionEvent.ALT_MASK ) ) ;
miJava.addActionListener ( this ) ;
miJava.setAccelerator ( KeyStroke.getKeyStroke (
KeyEvent.VK_J , ActionEvent.ALT_MASK ) ) ;
miText.addActionListener ( this ) ;
miText.setAccelerator ( KeyStroke.getKeyStroke (
KeyEvent.VK_T , ActionEvent.ALT_MASK ) ) ;
miFont.addActionListener ( this ) ;
miFont.setAccelerator ( KeyStroke.getKeyStroke (
KeyEvent.VK_F , ActionEvent.ALT_MASK ) ) ;
mainText.addMouseListener ( new MouseAdapter ( ) {
public void mouseReleased ( MouseEvent e ) {
if ( e.isPopupTrigger ( ) )
pm ( ).show ( e.getComponent ( ) , e.getX ( ) , e.getY ( ) ) ;
}
} ) ;
miCut.addActionListener ( this ) ;
miCopy.addActionListener ( this ) ;
miPaste.addActionListener ( this ) ;
//miDelete.addActionListener ( this ) ;
}
static javax.swing.JDialog dHelp = new DialogH1 ( ) ;
static javax.swing.JDialog dFont = new DiFont ( ) ;
public void actionPerformed ( java.awt.event.ActionEvent e ) {
String s = e.getActionCommand ( ) ;
if ( s.equals ( "About" ) )
dHelp.setVisible ( true ) ;
if ( s.equals ( "Save" ) )
new FileAction ( ).Save ( ) ;
if ( s.equals ( "Open" ) )
if ( new FileAction ( ).Open ( ) )
setTitle ( new FileAction ( ).file.getName ( ) ) ;
if ( s.equals ( "CreateNewFile" ) )
if ( new FileAction ( ).CreateNewFile ( ) )
setTitle ( new FileAction ( ).file.getName ( ) ) ;
if ( s.equals ( "Exit" ) )
System.exit ( 0 ) ;
if ( s.equals ( "Font Format" ) )
dFont.setVisible ( true ) ;
if ( s.equals ( "File Null" ) )
setTitle ( las = null ) ;
if ( s.equals ( "Java File" ) )
setTitle ( las = ".java" ) ;
if ( s.equals ( "Text File" ) )
setTitle ( las = ".txt" ) ;
if ( s.equals ( "Cut" ) )
mainText.cut ( ) ;
if ( s.equals ( "Copy" ) )
mainText.copy ( ) ;
if ( s.equals ( "Paste" ) )
mainText.paste ( ) ;
}
}

import java.io.File ;
import java.io.FileWriter ;
import java.io.FileReader ;
import java.io.BufferedReader ;
import javax.swing.JOptionPane ;
class FileAction extends Gui {
static File file = new File ( "Data" ) ;
public boolean CreateNewFile ( ) {
String S = JOptionPane.showInputDialog ( null , "Enter You File Name" ) ;
boolean mes = false ;
if ( S != null ) {
try {
file = new File ( S + las ) ;
if ( file.createNewFile ( ) ) {
mainText.setText ( null ) ;
miSave.setEnabled ( true ) ;
mainText.setEditable ( true ) ;
mes = true ;
}
else
System.out.println ( "Create File False" ) ;
} catch ( Exception e ) {
System.out.println ( e ) ;
}
}
return mes ;
}
public void Save ( ) {
System.out.println ( mainText.getText ( ) ) ;
try {
FileWriter fw = new FileWriter ( file ) ;
mainText.write ( fw ) ;
fw.close ( ) ;
} catch ( Exception e ) { }
}
boolean Open ( ) {
String S = JOptionPane.showInputDialog ( null , "Enter You File Name" ) ;
boolean mes = false ;
if ( S != null ) {
try {
file = new File ( S + las ) ;
FileReader fr = new FileReader ( file ) ;
mainText.read ( fr , file.getName ( ) ) ;
mainText.setEditable ( true ) ;
miSave.setEnabled ( true ) ;
mes = true ;
fr.close ( ) ;
} catch ( Exception e ) { }
}
return mes ;
}
}

import javax.swing.JDialog ;
import javax.swing.JLabel ;
import javax.swing.JTextField ;
import javax.swing.JComboBox ;
import java.awt.Font ;
import java.awt.event.ActionEvent ;
import java.awt.event.ActionListener ;
class DiFont extends JDialog implements ActionListener {
public static void main ( String [ ] args ) {
new DiFont ( ) ;
}
Font f = new Font ( "DilleniaUPC" , Font.PLAIN , 20 ) ;
//static JTextField txt1 = new JTextField ( "DilleniaUPC" ) ;
static String fontName [ ] = { "Agency FB" , "Algerian" , "Andalus" , "Angsana New" ,
"AngsanaUPC" , "Arabic Transparent" , "Arial" , "Arial Black" ,
"Arial Narrow" , "Arial Rounded MT Bold" , "Arial Unicode MS" , "Baskerville Old Face" ,
"Batang" , "BatangChe" , "Bauhaus 93" , "Bell MT" , "Berlin Sans FB" , "Berlin Sans FB Demi" ,
"Bernard MT Condensed" , "Blackadder ITC" , "Bodoni MT" , "Bodoni MT Black" ,
"Bodoni MT Condensed" , "Bodoni MT Poster Compressed" , "Book Antiqua" , "Bookman Old Style" ,
"Bookshelf Symbol 7" , "Bradley Hand ITC" , "Britannic Bold" , "Broadway" , "Browallia New" ,
"BrowalliaUPC" , "Brush Script MT" , "Calibri" , "Californian FB" , "Calisto MT" , "Cambria" ,
"Cambria Math" , "Candara" , "Castellar" , "Centaur" , "Century" , "Century Gothic" ,
"Century Schoolbook" , "Chiller" , "Colonna MT" , "Comic Sans MS" , "Consolas" , "Constantia" ,
"Cooper Black" , "Copperplate Gothic Bold" , "Copperplate Gothic Light" , "Corbel" , "Cordia New" ,
"CordiaUPC" , "Courier" , "Courier New" , "Curlz MT" , "DilleniaUPC" , "Dotum" , "DotumChe" ,
"Edwardian Script ITC" , "Elephant" , "Engravers MT" , "Eras Bold ITC" , "Eras Demi ITC" ,
"Eras Light ITC" , "Eras Medium ITC" , "Estrangelo Edessa" , "EucrosiaUPC" , "Felix Titling" ,
"Fixedsys" , "Footlight MT Light" , "Forte" , "Franklin Gothic Book" , "Franklin Gothic Demi" ,
"Franklin Gothic Demi Cond" , "Franklin Gothic Heavy" , "Franklin Gothic Medium" ,
"Franklin Gothic Medium Cond" , "FreesiaUPC" , "Freestyle Script" , "French Script MT" ,
"Garamond" , "Gautami" , "Georgia" , "Gigi" , "Gill Sans MT" , "Gill Sans MT Condensed" ,
"Gill Sans MT Ext Condensed Bold" , "Gill Sans Ultra Bold" , "Gill Sans Ultra Bold Condensed" ,
"Gloucester MT Extra Condensed" , "Goudy Old Style", "Goudy Stout" , "Gulim" , "GulimChe" ,
"Gungsuh" , "GungsuhChe" , "Haettenschweiler" , "Harlow Solid Italic" , "Harrington" ,
"High Tower Text" , "Impact" , "Imprint MT Shadow" , "Informal Roman" , "IrisUPC" , "JasmineUPC" ,
"Jokerman" , "Juice ITC" , "Kartika" , "KodchiangUPC" , "Kristen ITC" , "Kunstler Script" , "Latha" ,
"LilyUPC" , "Lucida Bright" , "Lucida Calligraphy" , "Lucida Console" , "Lucida Fax" ,
"Lucida Handwriting" , "Lucida Sans" , "Lucida Sans Typewriter" , "Lucida Sans Unicode" , "Magneto" ,
"Maiandra GD" , "Mangal" , "Marlett" , "Matura MT Script Capitals" , "Microsoft Sans Serif" , "MingLiU" ,
"Mistral" , "Modern" , "Modern No. 20" , "Monotype Corsiva" , "MS Dialog" , "MS Dialog Light" ,
"MS Gothic" , "MS Mincho" , "MS Outlook" , "MS PGothic" , "MS PMincho" , "MS Reference Sans Serif" ,
"MS Reference Specialty" , "MS Sans Serif" , "MS Serif" , "MS SystemEx" , "MS UI Gothic" , "MT Extra" ,
"MV Boli" , "Niagara Engraved" , "Niagara Solid" , "Nina" , "NSimSun" , "OCR A Extended" , "Old English Text MT" ,
"Onyx" , "Palace Script MT" , "Palatino Linotype" , "Papyrus" , "Parchment" , "Perpetua" , "Perpetua Titling MT" ,
"Playbill" , "PMingLiU" , "Poor Richard" , "Pristina" , "Raavi" , "Rage Italic" , "Ravie" , "Rockwell" ,
"Rockwell Condensed" , "Rockwell Extra Bold" , "Roman" , "Script" , "Script MT Bold" , "Segoe Condensed" ,
"Segoe UI" , "Showcard Gothic" , "Shruti" , "SimHei" , "Simplified Arabic" , "Simplified Arabic Fixed" ,
"SimSun" , "Small Fonts" , "Snap ITC" , "Stencil" , "Symbol" , "System" , "Tahoma" , "Tempus Sans ITC" ,
"Terminal" , "Times New Roman" , "Traditional Arabic" , "Trebuchet MS" ,"Tunga" , "Tw Cen MT" ,
"Tw Cen MT Condensed" , "Tw Cen MT Condensed Extra Bold" , "Verdana" , "Viner Hand ITC" , "Vivaldi" ,
"Vladimir Script" , "Vrinda" , "Webdings" , "Wide Latin" , "Wingdings" , "Wingdings 2" , "Wingdings 3" ,
"WST_Czec" , "WST_Engl" , "WST_Fren" , "WST_Germ" , "WST_Ital" , "WST_Span" , "WST_Swed" ,"" } ;
static String fontSize [ ] = { "2" , "5" , "8" , "10" , "12" , "14" , "18" , "20" , "22" , "25" , "28" ,
"32" , "36" , "40" , "44" , "48" , "52" , "57" , "63" , "67" , "73" , "85" , "93" , "97" , "100" } ;
static String fontStary [ ] = { "PLAIN" , "BOLD" , "ITALIC" } ;
static JComboBox cb = new JComboBox ( fontName ) ;
static JComboBox txt2 = new JComboBox ( fontSize ) ;
static JComboBox txt1 = new JComboBox ( fontStary ) ;
static Gui gi = new Gui ( ) ;
DiFont ( ) {
setTitle ( " Font Format " ) ;
setSize ( 300 , 110 ) ;
setLayout ( null ) ;
add ( new JLabel ( "Font : " ) ).setBounds ( 10 , 10 ,60 , 20 ) ;
cb.setSelectedIndex ( 146 ) ;
add ( cb ).setBounds ( 45 , 10 , 240 , 20 ) ;
add ( new JLabel ( "FontSize : " ) ).setBounds ( 10 , 50 , 60 , 20 ) ;
txt2.setSelectedIndex ( 8 ) ;
add ( txt2 ).setBounds ( 70 , 50 , 50 , 20 ) ;
add ( new JLabel ( "FontSty : " ) ).setBounds ( 130 , 50 , 60 , 20 ) ;
add ( txt1 ).setBounds ( 185 , 50 , 100 , 20 ) ;
setIaction ( ) ;
}
void setIaction ( ) {
txt1.addActionListener ( this ) ;
txt2.addActionListener ( this ) ;
cb.addActionListener ( this ) ;
gi.mainText.setFont ( f ) ;
}
public void actionPerformed ( ActionEvent e ) {
int j = cb.getSelectedIndex ( ) ;
int k = txt2.getSelectedIndex ( ) ;
if ( fontStary [ txt1.getSelectedIndex ( ) ].equals ( "PLAIN" ) )
f = new Font ( fontName [ j ] , Font.PLAIN , Integer.parseInt ( fontSize [ k ] ) ) ;
if ( fontStary [ txt1.getSelectedIndex ( ) ].equals ( "BOLD" ) )
f = new Font ( fontName [ j ] , Font.BOLD , Integer.parseInt ( fontSize [ k ] ) ) ;
if ( fontStary [ txt1.getSelectedIndex ( ) ].equals ( "ITALIC" ) )
f = new Font ( fontName [ j ] , Font.ITALIC , Integer.parseInt ( fontSize [ k ] ) ) ;
gi.mainText.setFont ( f ) ;
}
}

import javax.swing.JTextArea ;
import javax.swing.JScrollPane ;
import java.awt.* ;
import java.applet.* ;
class DialogH1 extends javax.swing.JDialog {
DialogH1 ( ) {
setSize ( 300 , 300 ) ;
add ( new app1 ( ) ) ;
}
}
class app1 extends Applet {
public void paint ( Graphics g ) {
g.drawLine ( 30 , 20 , 80 , 70 ) ;
}
}