Listening for Approve and Cancel Events in a JFileChooser Dialog : JFileChooser « Swing « Java Tutorial

1. Java Tutorial
2. Swing
3. JFileChooser

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;

public class Main {
  public static void main(String[] argv) throws Exception {
    
    MyFileChooser chooser = new MyFileChooser();
    chooser.setDialogType(JFileChooser.SAVE_DIALOG);
    final JDialog dialog = chooser.createDialog(null);
    chooser.addActionListener(new AbstractAction() {
      public void actionPerformed(ActionEvent evt) {
        JFileChooser chooser = (JFileChooser) evt.getSource();
        if (JFileChooser.APPROVE_SELECTION.equals(evt.getActionCommand())) {
          dialog.setVisible(false);
        } else if (JFileChooser.CANCEL_SELECTION.equals(evt.getActionCommand())) {
          dialog.setVisible(false);
        }
      }
    });

    dialog.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        dialog.setVisible(false);
      }
    });

    dialog.setVisible(true);
  }
}

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

14.77.JFileChooser
	14.77.1.	JFileChooser
	14.77.2.	JFileChooser is a standard dialog for selecting a file from the file system.
	14.77.3.	Getting and Setting the Selected File of a JFileChooser Dialog
	14.77.4.	Getting and Setting the Current Directory of a JFileChooser Dialog
	14.77.5.	Determining If the Approve or Cancel Button Was Clicked in a JFileChooser Dialog
	14.77.6.	Displaying Only Directories in a File Chooser Dialog
	14.77.7.	Creating a JFileChooser Dialog
	14.77.8.	Select a directory with a JFileChooser
	14.77.9.	Disable the JFileChooser 'New folder' button
	14.77.10.	Listening for Approve and Cancel Events in a JFileChooser Dialog
	14.77.11.	Using JFileChooser
	14.77.12.	Working with File Filters
	14.77.13.	To enable the display of hidden files
	14.77.14.	The JFileChooser supports three selection modes: files only, directories only, and files and directories
	14.77.15.	Adding Accessory Panels
	14.77.16.	Custom FileView for Some Java-Related File Types
	14.77.17.	Using a JFileChooser in Your JFrame
	14.77.18.	ActionListener for JFileChooser in Your JFrame
	14.77.19.	JFileChooser Selection Option: JFileChooser.APPROVE_OPTION, JFileChooser.CANCEL_OPTION
	14.77.20.	Adding an ActionListener to a JFileChooser to listen for selection of the approval or cancel actions.
	14.77.21.	Listening for Changes to the Selected File in a JFileChooser Dialog
	14.77.22.	Getting the File-Type Icon of a File
	14.77.23.	Getting the Large File-Type Icon of a File
	14.77.24.	Localize a JFileChooser
	14.77.25.	Determining If a File Is Hidden
	14.77.26.	Showing Hidden Files in a JFileChooser Dialog
	14.77.27.	Changing the Text of the Approve Button in a JFileChooser Dialog
	14.77.28.	Enabling Multiple Selections in a JFileChooser Dialog
	14.77.29.	Adding a Filter to a File Chooser Dialog
	14.77.30.	A convenience implementation of FileFilter that filters out all files except for those type extensions that it knows about.
	14.77.31.	Customizing a JFileChooser Look and Feel
	14.77.32.	Get Directory Choice
	14.77.33.	Get File Choice