import java.io.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.filechooser.*;
class filechooser extends JFrame implements ActionListener {
static JLabel l;
filechooser()
{
}
public static void main(String args[])
{
JFrame f = new JFrame("file chooser");
f.setSize(400, 400);
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JButton button1 = new JButton("save");
JButton button2 = new JButton("open");
filechooser f1 = new filechooser();
button1.addActionListener(f1);
button2.addActionListener(f1);
JPanel p = new JPanel();
p.add(button1);
p.add(button2);
l = new JLabel("no file selected");
p.add(l);
f.add(p);
f.show();
}
public void actionPerformed(ActionEvent evt)
{
String com = evt.getActionCommand();
if (com.equals("save")) {
JFileChooser j = new JFileChooser(FileSystemView.getFileSystemView().getHomeDirectory());
j.setAcceptAllFileFilterUsed(false);
j.setDialogTitle("Select a .txt file");
FileNameExtensionFilter restrict = new FileNameExtensionFilter("Only .txt files", "txt");
j.addChoosableFileFilter(restrict);
int r = j.showSaveDialog(null);
if (r == JFileChooser.APPROVE_OPTION)
{
l.setText(j.getSelectedFile().getAbsolutePath());
}
else
l.setText("the user cancelled the operation");
}
else {
JFileChooser j = new JFileChooser(FileSystemView.getFileSystemView().getHomeDirectory());
j.setAcceptAllFileFilterUsed(false);
j.setDialogTitle("Select a .txt file");
FileNameExtensionFilter restrict = new FileNameExtensionFilter("Only .txt files", "txt");
j.addChoosableFileFilter(restrict);
int r = j.showOpenDialog(null);
if (r == JFileChooser.APPROVE_OPTION) {
l.setText(j.getSelectedFile().getAbsolutePath());
}
else
l.setText("the user cancelled the operation");
}
}
}
