/**
* The FileEvent listener.
*
* @param event the event.
*/
public void fileEventOccurred(FileEvent event) {
File file = event.getFile();
if (file != null) {
String dirPath;
if (file.isDirectory()) dirPath = file.getAbsolutePath();
else dirPath = file.getParentFile().getAbsolutePath();
properties.setProperty("directory", dirPath);
} else properties.remove("directory");
}
