File "JFrameWithMenu.java"

Full Path: /home/analogde/www/Ebook/Informatique/JAVA/Source/workspace/JFrameWithMenu.java
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Charset: utf-8

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileReader;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JTextArea;


public class JFrameWithMenu  extends JFrame {

    JMenuBar mb ;
    JMenu mfile, medit, mhelp;
    JMenuItem minew, miopen, misave, miexit, miabout;
    JTextArea jta;
    JFileChooser fch;
    public JFrameWithMenu() {
      
        settingMenu();
        jta = new JTextArea();
      
        add(jta,BorderLayout.CENTER);
        jta.setText("Testing text....");
      
        setSize(400,400);
        setVisible(true);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    
    }
    
    private void settingMenu()
    {
      
        mb =new JMenuBar();
        setJMenuBar(mb);
      
      
        mfile = new JMenu("File"); medit = new JMenu("Edit");
        mhelp = new JMenu("Help");
      
        minew = new JMenuItem("New");
        minew.setMnemonic('N');
      
        miopen = new JMenuItem("Open");
        misave = new JMenuItem("Save");
        miexit = new JMenuItem("Exit");
      
        mb.add(mfile); mb.add(medit); mb.add(mhelp);
      
        mfile.add(minew); mfile.add(miopen); mfile.add(misave);
        mfile.add(miexit);
    
      
        //event to open a file
      
        miopen.addActionListener(
              
                new ActionListener()
                {
                    public void actionPerformed(ActionEvent ae)
                    {
                        fch = new JFileChooser("d://");
                        int openfile =fch.showOpenDialog(miopen);
                      
                        if (openfile==JFileChooser.APPROVE_OPTION)
                        {
                            File myfile =fch.getSelectedFile();
                            try {
                              
                            FileReader fr = new FileReader(myfile);
                            char cbuf[] = new char[(int)myfile.length()];
                            fr.read(cbuf);
                          
                            jta.setText(new String(cbuf));
                          
                          
                            } catch (Exception e) {
                              
                                jta.setText(e.getMessage());
                            }
                          
                          
                        }
                    }
                }
              
              
                );
        // event for exit item
        miexit.addActionListener(
              
                new ActionListener()

                {
                    public void actionPerformed(ActionEvent ae)
                    {
                        System.exit(0);
                    }
              
                }
              
                );
      
    }
  
}

//Application class to create JFrameWithMenu Object


public class JSwinMenuTesting {

    public static void main(String[] args) {
                new JFrameWithMenu();
    }
}