public void actionPerformed(ActionEvent e) { gui.setText(""); String name = JOptionPane.showInputDialog("Enter Name"); if (name != null) { if (phoneBook.remove(name)) { gui.setText("Success! " + name + " removed."); } else { gui.setText("Failure! " + name + " not found!"); } } else { gui.setText(""); } }
public PhoneBookGUI(PhoneBook pb) { super("PhoneBook"); phoneBook = pb; setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE); Locale.setDefault(new Locale("en")); /* To avoid hardcoded Swedish text on OptionPane dialogs */ UIManager.put("OptionPane.cancelButtonText", "Cancel"); setLayout(new BorderLayout()); JMenuBar menubar = new JMenuBar(); setJMenuBar(menubar); JMenu editMenu = new JMenu("Edit"); menubar.add(editMenu); editMenu.add(new AddMenu(phoneBook, this)); editMenu.add(new RemoveMenu(phoneBook, this)); JMenu findMenu = new JMenu("Find"); menubar.add(findMenu); findMenu.add(new FindNumbersMenu(phoneBook, this)); findMenu.add(new FindNamesMenu(phoneBook, this)); JMenu viewMenu = new JMenu("View"); menubar.add(viewMenu); viewMenu.add(new ShowAllMenu(phoneBook, this)); JPanel southPanel = new JPanel(); messageArea = new JTextArea(4, 25); messageArea.setEditable(false); southPanel.add(new JScrollPane(messageArea)); southPanel.add(new QuitButton(phoneBook)); add(southPanel, BorderLayout.CENTER); pack(); setVisible(true); String fileName = JOptionPane.showInputDialog("Enter file name"); if (fileName != null) { try { phoneBook.readFromFile(fileName); } catch (Exception e) { setText("No such file was found"); } } }