?? texteditorapp.java.bak
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
//class
class TextEditorFrame extends JFrame
{
File file = null;
Color color = Color.black;
Font font;
//
TextEditorFrame()
{
initTextPane();
initMenu();
initAboutDialog();
initToolBar();
}
//1.1
void initTextPane()
{
getContentPane().add( new JScrollPane(text));
}
//1.2
JTextPane text = new JTextPane();
JFileChooser filechooser = new JFileChooser();
JColorChooser colorchooser = new JColorChooser();
JDialog about = new JDialog(this);
JMenuBar menubar = new JMenuBar();
//super Menue
JMenu [] menus= new JMenu[]
{
new JMenu("File"),
new JMenu("Edit"),
new JMenu("Help"),
};
//sub Menue
JMenuItem menuitems [][] =new JMenuItem[][]
{
{
new JMenuItem("New"),
new JMenuItem("Open..."),
new JMenuItem("Save..."),
new JMenuItem("Exit")
},
{
new JMenuItem("Copy"),
new JMenuItem("Cut"),
new JMenuItem("Paste"),
new JMenuItem("Undo"),
new JMenuItem("Font"),
new JMenuItem("Color...")
},
{
new JMenuItem("About")
}
};
//2
void initMenu()
{
for(int i=0;i<menus.length;i++)
{
menubar.add(menus[i]);
for(int j=0;j<menuitems[i].length;j++)
{
menus[i].add(menuitems[i][j]);
menuitems[i][j].addActionListener(action);
}
}
this.setJMenuBar(menubar);
}
//3
ActionListener action = new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
JMenuItem mi = (JMenuItem)e.getSource();
String id = mi.getText();
if(id.equals("New")){
text.setText("");
file = null;
}else if(id.equals("Open...")){
if(file != null)
filechooser.setSelectedFile(file);
int returnVal = filechooser.showOpenDialog(TextEditorFrame.this);
if(returnVal == JFileChooser.APPROVE_OPTION){
file = filechooser.getSelectedFile();
openFile();
}
}
else if(id.equals("Save...")){
if(file != null)
filechooser.setSelectedFile(file);
int returnVal = filechooser.showSaveDialog(TextEditorFrame.this);
if(returnVal == JFileChooser.APPROVE_OPTION){
file = filechooser.getSelectedFile();
saveFile();
}}else if(id.equals("Exit")){
System.exit(0);
}else if(id.equals("Cut")){
text.cut();
}else if(id.equals("Copy")){
text.copy();
}else if(id.equals("Paste")){
text.paste();
}else if(id.equals("Undo")){
text.notify();
}else if(id.equals("Font")){
}else if(id.equals("Color...")){
color = JColorChooser.showDialog(TextEditorFrame.this,"",color);
text.setForeground(color);
}else if(id.equals("About")){
about.setSize(100,50);
about.show();
}
}
};
//----------------------------------------------------------------
//saveFile
void saveFile()
{
try{
FileWriter fw = new FileWriter(file);
fw.write(text.getText());
fw.close();
}
catch(Exception e)
{
e.printStackTrace();
}
}
//---------------------------------------------------------------
//openFile
void openFile()
{
try{
FileReader fr = new FileReader(file);
int len = (int) file.length();
char [] buffer = new char[len];
fr.read(buffer,0,len);
fr.close();
text.setText(new String(buffer));
}
catch(Exception e)
{
e.printStackTrace();
}
}
//--------------------------------------------------------------
//my initAboutDialog
void initAboutDialog()
{
about.getContentPane().add(new JLabel("my TextFileEditor1.0"));
about.setModal(true);
about.setSize(100,50);
}
//---------------------------------------------------------------
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
JToolBar toolbar = new JToolBar();
JButton [] buttons = new JButton[]
{
new JButton("",new ImageIcon("copy.jpg")),
new JButton("",new ImageIcon("cut.jpg")),
new JButton("",new ImageIcon("paste.jpg"))
};
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
//-------------------------------------------------------------------------------------------------------------------
//my initToolBar
void initToolBar()
{
for(int i=0; i<buttons.length;i++)
toolbar.add(buttons[i]);
buttons[0].setToolTipText("copy");
buttons[0].addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
text.copy();
}
});
buttons[1].setToolTipText("cut");
buttons[1].addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
text.cut();
}
});
buttons[2].setToolTipText("paste");
buttons[2].addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
text.paste();
}
});
this.getContentPane().add(toolbar,BorderLayout.NORTH);
}
}
//-----------------------------------------------------------------------------------------------------
//0.0.0.0.0.0.000.0.0.0.
public class TextEditorApp
{
public static void main( String [] args){
TextEditorFrame f = new TextEditorFrame();
f.setTitle(" MY EDIT ");
f.setSize(800,600);
f.show();
}
}
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