Listening for Approve and Cancel Events in a JFileChooser Dialog - Java Swing

Java examples for Swing:JFileChooser

  1. HOME
  2. Java
  3. Swing
  4. JFileChooser

Description

Listening for Approve and Cancel Events in a JFileChooser Dialog

Demo Code


import java.awt.Component;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.AbstractAction;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JFrame;

public class Main {
  public static void main(String[] argv) {
    // Create customized chooser
    MyFileChooser chooser = new MyFileChooser();

    // Set dialog type if not OPEN_DIALOG
    chooser.setDialogType(JFileChooser.SAVE_DIALOG);

    // Create dialog containing the chooser
    final JDialog dialog = chooser.createDialog(new JFrame());

    // Add listener for approve and cancel events
    chooser.addActionListener(new AbstractAction() {
      public void actionPerformed(ActionEvent evt) {
        JFileChooser chooser = (JFileChooser) evt.getSource();
        if (JFileChooser.APPROVE_SELECTION.equals(evt.getActionCommand())) {
          // Open or Save was clicked

          // Hide dialog
          dialog.setVisible(false);//www.  ja  v  a 2s.  co  m
        } else if (JFileChooser.CANCEL_SELECTION.equals(evt.getActionCommand())) {
          // Cancel was clicked

          // Hide dialog
          dialog.setVisible(false);
        }
      }
    });

    // Add listener for window closing events
    dialog.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        // Close-dialog icon was clicked

        // Hide dialog
        dialog.setVisible(false);
      }
    });

    dialog.show();

  }
}
class MyFileChooser extends JFileChooser {
  public JDialog createDialog(Component parent) throws HeadlessException {
    return super.createDialog(parent);
  }
}

Related Tutorials