* Handles the action events of the menu items.
* @param ae details of the action event
*/
public void actionPerformed( final ActionEvent ae ) {
// The action command is the ordinal of the menu item enum.
final MenuItemEnum menuItemEnum = MenuItemEnum.values()[ Integer.parseInt( ae.getActionCommand() ) ];
File editedPolicyFile_ = null;
final JFileChooser fileChooser = new JFileChooser();
switch ( menuItemEnum ) {