: userPrefs.get(LAST_FILE_NAME_CHOOSEN_KEY, "./");
File directory = (lastFileName.length() > 0) ? new File(lastFileName).getParentFile()
: new File("./");
fileChooser.setCurrentDirectory(directory);
fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
int result = fileChooser.showDialog(new JFrame(), "Select");
if (result == JFileChooser.APPROVE_OPTION) {
selectedFileName = fileChooser.getSelectedFile().getAbsolutePath();
pearFileTextField.setText(selectedFileName);
installButton.setEnabled(true);
// save state of the window