e.getActionCommand();
			public void actionPerformed(ActionEvent e) {				File file = new File((String)adrZone.getEditor().getItem()); 				if (file.exists()) {					oldCurrentFolder = model.getFolder();					newCurrentFolder = file;					model.setFolder(file);					back.setEnabled(true);					next.setEnabled(false);					adrZone.addItem(new String(file.getAbsolutePath()));				} else					JOptionPane.showMessageDialog(						null,						"Le fichier/repertoire <"							+ file.getAbsolutePath()							+ "> n'a pas ete trouve.",						"Fichier/repertoire non trouve",						JOptionPane.ERROR_MESSAGE);				String fileName = model.getFolder().getAbsolutePath();				adrZone.getEditor().setItem( 					fileName						+ ((fileName.endsWith(File.separator))							? ""							: File.separator));			}