@Override
  protected JComponent createCenterPanel() {
    final JPanel panel = new JPanel(new BorderLayout());
    JTextArea area =
        new JTextArea(
            "The imported language extends other languages.\n"
                + "It might be useful to import all or some of them.");
    area.setEditable(false);
    area.setBackground(this.getContentPane().getBackground());
    area.setBorder(BorderFactory.createEmptyBorder(5, 5, 3, 5));
    panel.add(area, BorderLayout.NORTH);

    JPanel center = new JPanel(new GridBagLayout());
    JTextArea label = new JTextArea("Select additional languages to import:");
    label.setEditable(false);
    label.setBackground(getContentPane().getBackground());
    label.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
    center.add(
        label,
        new GridBagConstraints(
            0,
            GridBagConstraints.RELATIVE,
            1,
            1,
            1.0,
            0.0,
            GridBagConstraints.WEST,
            GridBagConstraints.HORIZONTAL,
            new Insets(0, 0, 0, 0),
            0,
            0));

    myList = new JBList(myCandidates.toArray());

    myList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
    myList.setSelectionInterval(0, myList.getModel().getSize() - 1);
    myList.setCellRenderer(new MyDefaultListCellRenderer());
    myList.setBorder(BorderFactory.createEtchedBorder());
    center.add(
        ScrollPaneFactory.createScrollPane(myList),
        new GridBagConstraints(
            0,
            GridBagConstraints.RELATIVE,
            1,
            1,
            1.0,
            1.0,
            GridBagConstraints.NORTHWEST,
            GridBagConstraints.BOTH,
            new Insets(0, 0, 0, 0),
            0,
            0));

    panel.add(center, BorderLayout.CENTER);
    panel.setPreferredSize(new Dimension(400, 250));

    return panel;
  }
 /** Constructor */
 public ServiceFilterPanel(String text, Vector list) {
   empty_border = new EmptyBorder(5, 5, 0, 5);
   indent_border = new EmptyBorder(5, 25, 5, 5);
   service_box = new JCheckBox(text);
   service_box.addActionListener(this);
   service_data = new Vector();
   if (list != null) {
     service_box.setSelected(true);
     service_data = (Vector) list.clone();
   }
   service_list = new JList(service_data);
   service_list.setBorder(new EtchedBorder());
   service_list.setVisibleRowCount(5);
   service_list.addListSelectionListener(this);
   service_list.setEnabled(service_box.isSelected());
   service_scroll = new JScrollPane(service_list);
   service_scroll.setBorder(new EtchedBorder());
   remove_service_button = new JButton("Remove");
   remove_service_button.addActionListener(this);
   remove_service_button.setEnabled(false);
   remove_service_panel = new JPanel();
   remove_service_panel.setLayout(new FlowLayout());
   remove_service_panel.add(remove_service_button);
   service_area = new JPanel();
   service_area.setLayout(new BorderLayout());
   service_area.add(service_scroll, BorderLayout.CENTER);
   service_area.add(remove_service_panel, BorderLayout.EAST);
   service_area.setBorder(indent_border);
   add_service_field = new JTextField();
   add_service_field.addActionListener(this);
   add_service_field.getDocument().addDocumentListener(this);
   add_service_field.setEnabled(service_box.isSelected());
   add_service_button = new JButton("Add");
   add_service_button.addActionListener(this);
   add_service_button.setEnabled(false);
   add_service_panel = new JPanel();
   add_service_panel.setLayout(new BorderLayout());
   JPanel dummy = new JPanel();
   dummy.setBorder(empty_border);
   add_service_panel.add(dummy, BorderLayout.WEST);
   add_service_panel.add(add_service_button, BorderLayout.EAST);
   add_service_area = new JPanel();
   add_service_area.setLayout(new BorderLayout());
   add_service_area.add(add_service_field, BorderLayout.CENTER);
   add_service_area.add(add_service_panel, BorderLayout.EAST);
   add_service_area.setBorder(indent_border);
   setLayout(new BorderLayout());
   add(service_box, BorderLayout.NORTH);
   add(service_area, BorderLayout.CENTER);
   add(add_service_area, BorderLayout.SOUTH);
   setBorder(empty_border);
 }
Esempio n. 3
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  public JList7() {
    JFrame f = new JFrame("JList");
    Container contentPane = f.getContentPane();
    contentPane.setLayout(new BorderLayout());
    label = new JLabel();

    list = new JList(s);
    list.setVisibleRowCount(5);
    list.setBorder(BorderFactory.createTitledBorder("您最喜欢到哪个国家玩呢?"));
    list.addListSelectionListener(this);

    contentPane.add(label, BorderLayout.NORTH);
    contentPane.add(new JScrollPane(list), BorderLayout.CENTER);
    f.pack();
    f.show();
    f.addWindowListener(
        new WindowAdapter() {
          public void windowClosing(WindowEvent e) {
            System.exit(0);
          }
        });
  }