Example usage for java.awt GridBagLayout GridBagLayout

List of usage examples for java.awt GridBagLayout GridBagLayout

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Introduction

In this page you can find the example usage for java.awt GridBagLayout GridBagLayout.

Prototype

public GridBagLayout()

Source Link

Document

Creates a grid bag layout manager.

Usage

From source file:events.FocusEventDemo.java

public void addComponentsToPane(final Container pane) {
    GridBagLayout gridbag = new GridBagLayout();
    pane.setLayout(gridbag);/*from   w w  w  .  j  a  v a 2s  .com*/

    GridBagConstraints c = new GridBagConstraints();

    c.fill = GridBagConstraints.HORIZONTAL;
    c.weightx = 1.0; //Make column as wide as possible.
    JTextField textField = new JTextField("A TextField");
    textField.setMargin(new Insets(0, 2, 0, 2));
    textField.addFocusListener(this);
    gridbag.setConstraints(textField, c);
    add(textField);

    c.weightx = 0.1; //Widen every other column a bit, when possible.
    c.fill = GridBagConstraints.NONE;
    JLabel label = new JLabel("A Label");
    label.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 5));
    label.addFocusListener(this);
    gridbag.setConstraints(label, c);
    add(label);

    String comboPrefix = "ComboBox Item #";
    final int numItems = 15;
    Vector<String> vector = new Vector<String>(numItems);
    for (int i = 0; i < numItems; i++) {
        vector.addElement(comboPrefix + i);
    }
    JComboBox comboBox = new JComboBox(vector);
    comboBox.addFocusListener(this);
    gridbag.setConstraints(comboBox, c);
    add(comboBox);

    c.gridwidth = GridBagConstraints.REMAINDER;
    JButton button = new JButton("A Button");
    button.addFocusListener(this);
    gridbag.setConstraints(button, c);
    add(button);

    c.weightx = 0.0;
    c.weighty = 0.1;
    c.fill = GridBagConstraints.BOTH;
    String listPrefix = "List Item #";
    Vector<String> listVector = new Vector<String>(numItems);
    for (int i = 0; i < numItems; i++) {
        listVector.addElement(listPrefix + i);
    }
    JList list = new JList(listVector);
    list.setSelectedIndex(1); //It's easier to see the focus change
    //if an item is selected.
    list.addFocusListener(this);
    JScrollPane listScrollPane = new JScrollPane(list);

    gridbag.setConstraints(listScrollPane, c);
    add(listScrollPane);

    c.weighty = 1.0; //Make this row as tall as possible.
    c.gridheight = GridBagConstraints.REMAINDER;
    //Set up the area that reports focus-gained and focus-lost events.
    display = new JTextArea();
    display.setEditable(false);
    //The setRequestFocusEnabled method prevents a
    //component from being clickable, but it can still
    //get the focus through the keyboard - this ensures
    //user accessibility.
    display.setRequestFocusEnabled(false);
    display.addFocusListener(this);
    JScrollPane displayScrollPane = new JScrollPane(display);

    gridbag.setConstraints(displayScrollPane, c);
    add(displayScrollPane);
    setPreferredSize(new Dimension(450, 450));
    ((JPanel) pane).setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
}

From source file:com.sec.ose.osi.ui.dialog.progress.JDlgProgress.java

/**
 * This method initializes this/*from w ww  .j  a v  a  2s.c om*/
 * 
 * @return void
 */
private void initialize() {
    this.setLayout(new GridBagLayout());
    this.setResizable(false);
    this.setModal(true);
    this.setContentPane(getJContentPane());

    this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
    this.addWindowListener(new java.awt.event.WindowAdapter() {
        public void windowClosing(java.awt.event.WindowEvent e) {
            log.debug("windowClosing() - Progress Dialog");
            mEventHandler.handle(EventHandler.CLOSING_EVENT);
        }
    });
}

From source file:EditorPaneExample10.java

public EditorPaneExample10() {
    super("JEditorPane Example 10");

    pane = new JEditorPane();
    pane.setEditable(false); // Read-only
    getContentPane().add(new JScrollPane(pane), "Center");

    // Build the panel of controls
    JPanel panel = new JPanel();

    panel.setLayout(new GridBagLayout());
    GridBagConstraints c = new GridBagConstraints();
    c.gridwidth = 1;// w w w  .  j ava2 s.  com
    c.gridheight = 1;
    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.NONE;
    c.weightx = 0.0;
    c.weighty = 0.0;

    JLabel urlLabel = new JLabel("URL: ", JLabel.RIGHT);
    panel.add(urlLabel, c);
    JLabel loadingLabel = new JLabel("State: ", JLabel.RIGHT);
    c.gridy = 1;
    panel.add(loadingLabel, c);
    JLabel typeLabel = new JLabel("Type: ", JLabel.RIGHT);
    c.gridy = 2;
    panel.add(typeLabel, c);
    c.gridy = 3;
    panel.add(new JLabel(LOAD_TIME), c);

    c.gridy = 4;
    c.gridwidth = 2;
    c.weightx = 1.0;
    c.anchor = GridBagConstraints.WEST;
    onlineLoad = new JCheckBox("Online Load");
    panel.add(onlineLoad, c);
    onlineLoad.setSelected(true);
    onlineLoad.setForeground(typeLabel.getForeground());

    c.gridx = 1;
    c.gridy = 0;
    c.anchor = GridBagConstraints.EAST;
    c.fill = GridBagConstraints.HORIZONTAL;

    urlCombo = new JComboBox();
    panel.add(urlCombo, c);
    urlCombo.setEditable(true);
    loadingState = new JLabel(spaces, JLabel.LEFT);
    loadingState.setForeground(Color.black);
    c.gridy = 1;
    panel.add(loadingState, c);
    loadedType = new JLabel(spaces, JLabel.LEFT);
    loadedType.setForeground(Color.black);
    c.gridy = 2;
    panel.add(loadedType, c);
    timeLabel = new JLabel("");
    c.gridy = 3;
    panel.add(timeLabel, c);

    getContentPane().add(panel, "South");

    // Change page based on combo selection
    urlCombo.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            if (populatingCombo == true) {
                return;
            }
            Object selection = urlCombo.getSelectedItem();
            try {
                // Check if the new page and the old
                // page are the same.
                URL url;
                if (selection instanceof URL) {
                    url = (URL) selection;
                } else {
                    url = new URL((String) selection);
                }

                URL loadedURL = pane.getPage();
                if (loadedURL != null && loadedURL.sameFile(url)) {
                    return;
                }

                // Try to display the page
                urlCombo.setEnabled(false); // Disable input
                urlCombo.paintImmediately(0, 0, urlCombo.getSize().width, urlCombo.getSize().height);
                setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
                // Busy cursor
                loadingState.setText("Loading...");
                loadingState.paintImmediately(0, 0, loadingState.getSize().width,
                        loadingState.getSize().height);
                loadedType.setText("");
                loadedType.paintImmediately(0, 0, loadedType.getSize().width, loadedType.getSize().height);

                timeLabel.setText("");
                timeLabel.paintImmediately(0, 0, timeLabel.getSize().width, timeLabel.getSize().height);

                startTime = System.currentTimeMillis();

                // Choose the loading method
                if (onlineLoad.isSelected()) {
                    // Usual load via setPage
                    pane.setPage(url);
                    loadedType.setText(pane.getContentType());
                } else {
                    pane.setContentType("text/html");
                    loadedType.setText(pane.getContentType());
                    if (loader == null) {
                        loader = new HTMLDocumentLoader();
                    }
                    HTMLDocument doc = loader.loadDocument(url);
                    loadComplete();
                    pane.setDocument(doc);
                    displayLoadTime();
                    populateCombo(findLinks(doc, null));
                    enableInput();
                }
            } catch (Exception e) {
                System.out.println(e);
                JOptionPane.showMessageDialog(pane,
                        new String[] { "Unable to open file", selection.toString() }, "File Open Error",
                        JOptionPane.ERROR_MESSAGE);
                loadingState.setText("Failed");
                enableInput();
            }
        }
    });

    // Listen for page load to complete
    pane.addPropertyChangeListener(new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent evt) {
            if (evt.getPropertyName().equals("page")) {
                loadComplete();
                displayLoadTime();
                populateCombo(findLinks(pane.getDocument(), null));
                enableInput();
            }
        }
    });
}

From source file:DesktopAppTest.java

public DesktopAppFrame() {
    setLayout(new GridBagLayout());
    final JFileChooser chooser = new JFileChooser();
    JButton fileChooserButton = new JButton("...");
    final JTextField fileField = new JTextField(20);
    fileField.setEditable(false);//from w ww.  j  av a2 s . c o  m
    JButton openButton = new JButton("Open");
    JButton editButton = new JButton("Edit");
    JButton printButton = new JButton("Print");
    final JTextField browseField = new JTextField();
    JButton browseButton = new JButton("Browse");
    final JTextField toField = new JTextField();
    final JTextField subjectField = new JTextField();
    JButton mailButton = new JButton("Mail");

    openButton.setEnabled(false);
    editButton.setEnabled(false);
    printButton.setEnabled(false);
    browseButton.setEnabled(false);
    mailButton.setEnabled(false);

    if (Desktop.isDesktopSupported()) {
        Desktop desktop = Desktop.getDesktop();
        if (desktop.isSupported(Desktop.Action.OPEN))
            openButton.setEnabled(true);
        if (desktop.isSupported(Desktop.Action.EDIT))
            editButton.setEnabled(true);
        if (desktop.isSupported(Desktop.Action.PRINT))
            printButton.setEnabled(true);
        if (desktop.isSupported(Desktop.Action.BROWSE))
            browseButton.setEnabled(true);
        if (desktop.isSupported(Desktop.Action.MAIL))
            mailButton.setEnabled(true);
    }

    fileChooserButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            if (chooser.showOpenDialog(DesktopAppFrame.this) == JFileChooser.APPROVE_OPTION)
                fileField.setText(chooser.getSelectedFile().getAbsolutePath());
        }
    });

    openButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            try {
                Desktop.getDesktop().open(chooser.getSelectedFile());
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    });

    editButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            try {
                Desktop.getDesktop().edit(chooser.getSelectedFile());
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    });

    printButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            try {
                Desktop.getDesktop().print(chooser.getSelectedFile());
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    });

    browseButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            try {
                Desktop.getDesktop().browse(new URI(browseField.getText()));
            } catch (URISyntaxException ex) {
                ex.printStackTrace();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    });

    mailButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            try {
                String subject = percentEncode(subjectField.getText());
                URI uri = new URI("mailto:" + toField.getText() + "?subject=" + subject);

                System.out.println(uri);
                Desktop.getDesktop().mail(uri);
            } catch (URISyntaxException ex) {
                ex.printStackTrace();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    });

    JPanel buttonPanel = new JPanel();
    ((FlowLayout) buttonPanel.getLayout()).setHgap(2);
    buttonPanel.add(openButton);
    buttonPanel.add(editButton);
    buttonPanel.add(printButton);

    add(fileChooserButton, new GBC(0, 0).setAnchor(GBC.EAST).setInsets(2));
    add(fileField, new GBC(1, 0).setFill(GBC.HORIZONTAL));
    add(buttonPanel, new GBC(2, 0).setAnchor(GBC.WEST).setInsets(0));
    add(browseField, new GBC(1, 1).setFill(GBC.HORIZONTAL));
    add(browseButton, new GBC(2, 1).setAnchor(GBC.WEST).setInsets(2));
    add(new JLabel("To:"), new GBC(0, 2).setAnchor(GBC.EAST).setInsets(5, 2, 5, 2));
    add(toField, new GBC(1, 2).setFill(GBC.HORIZONTAL));
    add(mailButton, new GBC(2, 2).setAnchor(GBC.WEST).setInsets(2));
    add(new JLabel("Subject:"), new GBC(0, 3).setAnchor(GBC.EAST).setInsets(5, 2, 5, 2));
    add(subjectField, new GBC(1, 3).setFill(GBC.HORIZONTAL));

    pack();
}

From source file:com.github.boogey.progressview.swing.JProgressPanel.java

/**
 * Initialize the attributes of this classes. This method will be called in the constructor of this class.
 *//*w  ww. j ava2 s.c  om*/
protected void initObjects() {
    setLayout(new GridBagLayout());
    progressBar = new JProgressBar();
    messageLabel = new JLabel();
    positionElements();
}

From source file:de.codesourcery.eve.skills.ui.components.impl.TotalItemVolumeComponent.java

@Override
protected JPanel createPanel() {
    textField.setColumns(10);//www .  jav a2s  .c o  m
    textField.setEditable(false);
    textField.setHorizontalAlignment(JTextField.TRAILING);

    JPanel textFieldPanel = new JPanel();
    textField.setLayout(new GridBagLayout());
    textFieldPanel.setBorder(BorderFactory.createTitledBorder(title));
    textFieldPanel.add(textField,
            constraints(0, 0).weightX(0.5).weightY(0.5).resizeHorizontally().useRelativeWidth().end());

    setVolumeLabel(0.0d);

    return textFieldPanel;
}

From source file:GUIManagerQuery.java

/***************************************************************************
 * Construct the GUIManagerQuery object, constructing the various components
 * and laying them out on the screen./* w w  w .  j  a va  2  s. com*/
 **************************************************************************/
public GUIManagerQuery() {
    super("GUIManagerQuery");
    setLayout(new BorderLayout());

    addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            System.exit(0);
        }
    });

    versionLabel = new Label("JMF v" + Manager.getVersion());
    add(versionLabel, "North");

    Panel lower = new Panel();
    lower.add(new Label("Content/Protocol"));
    contentsField = new TextField(32);
    lower.add(contentsField);
    add(lower, "South");

    results = new TextArea(20, 80);
    results.setEditable(false);
    add(results, "Center");

    Panel controls = new Panel();
    controls.setLayout(new GridBagLayout());
    GridBagConstraints gbc = new GridBagConstraints();

    hintsButton = new Button("Hints");
    gbc.gridx = 0;
    gbc.gridy = 0;
    controls.add(hintsButton, gbc);
    hintsButton.addActionListener(this);

    playersButton = new Button("Players");
    gbc.gridy = 1;
    controls.add(playersButton, gbc);
    playersButton.addActionListener(this);

    processorsButton = new Button("Processors");
    gbc.gridy = 2;
    controls.add(processorsButton, gbc);
    processorsButton.addActionListener(this);

    sourcesButton = new Button("DataSources");
    gbc.gridy = 3;
    controls.add(sourcesButton, gbc);
    sourcesButton.addActionListener(this);

    add(controls, "East");
}

From source file:MailTest.java

public MailTestFrame() {
    setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
    setTitle("MailTest");

    setLayout(new GridBagLayout());

    // we use the GBC convenience class of Core Java Volume 1 Chapter 9
    add(new JLabel("From:"), new GBC(0, 0).setFill(GBC.HORIZONTAL));

    from = new JTextField(20);
    add(from, new GBC(1, 0).setFill(GBC.HORIZONTAL).setWeight(100, 0));

    add(new JLabel("To:"), new GBC(0, 1).setFill(GBC.HORIZONTAL));

    to = new JTextField(20);
    add(to, new GBC(1, 1).setFill(GBC.HORIZONTAL).setWeight(100, 0));

    add(new JLabel("SMTP server:"), new GBC(0, 2).setFill(GBC.HORIZONTAL));

    smtpServer = new JTextField(20);
    add(smtpServer, new GBC(1, 2).setFill(GBC.HORIZONTAL).setWeight(100, 0));

    message = new JTextArea();
    add(new JScrollPane(message), new GBC(0, 3, 2, 1).setFill(GBC.BOTH).setWeight(100, 100));

    comm = new JTextArea();
    add(new JScrollPane(comm), new GBC(0, 4, 2, 1).setFill(GBC.BOTH).setWeight(100, 100));

    JPanel buttonPanel = new JPanel();
    add(buttonPanel, new GBC(0, 5, 2, 1));

    JButton sendButton = new JButton("Send");
    buttonPanel.add(sendButton);/* w w w .j  a v  a  2 s . c o m*/
    sendButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            new SwingWorker<Void, Void>() {
                protected Void doInBackground() throws Exception {
                    comm.setText("");
                    sendMail();
                    return null;
                }
            }.execute();
        }
    });
}

From source file:cz.alej.michalik.totp.client.AddDialog.java

public AddDialog(final Properties prop) {
    System.out.println("Pridat novy zaznam");
    this.setTitle("Pidat");
    this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    this.setMinimumSize(new Dimension(600, 150));
    this.setLocationByPlatform(true);
    // Panel pro vytvoen okraj
    JPanel panel = new JPanel();
    panel.setBorder(new EmptyBorder(10, 10, 10, 10));
    panel.setLayout(new GridBagLayout());
    // Vlastnosti pro popisky
    GridBagConstraints label = new GridBagConstraints();
    label.insets = new Insets(2, 2, 2, 2);
    label.fill = GridBagConstraints.NONE;
    label.weightx = 1;/*from   www  .ja va2s  . c  om*/
    // Vlastnosti pro pole
    GridBagConstraints field = new GridBagConstraints();
    field.insets = new Insets(2, 2, 2, 2);
    field.fill = GridBagConstraints.HORIZONTAL;
    field.weightx = 10;

    this.add(panel);

    // Nastavm ikonu okna
    try {
        String path = "/material-design-icons/content/drawable-xhdpi/ic_create_black_48dp.png";
        this.setIconImage(Toolkit.getDefaultToolkit().getImage(App.class.getResource(path)));
    } catch (NullPointerException ex) {
        System.out.println("Icon not found");
    }

    // Pole pro pojmenovn zznamu
    // Ikona
    ImageIcon icon = null;
    try {
        String path = "/material-design-icons/editor/drawable-xhdpi/ic_format_color_text_black_18dp.png";
        icon = new ImageIcon(App.class.getResource(path));
    } catch (NullPointerException ex) {
        System.out.println("Icon not found");
    }
    // Pidn labelu s ikonou a nastavm velikost psma
    label.gridy = 0;
    field.gridy = 0;
    JLabel nameLabel = new JLabel("Nzev: ", icon, JLabel.CENTER);
    nameLabel.setFont(nameLabel.getFont().deriveFont(App.FONT_SIZE * 2 / 3));
    panel.add(nameLabel, label);
    // Pole pro jmno
    final JTextField name = new JTextField();
    name.setMaximumSize(new Dimension(Integer.MAX_VALUE, 50));
    name.setFont(name.getFont().deriveFont(App.FONT_SIZE * 2 / 3));
    panel.add(name, field);

    // Pole pro zadn sdlenho hesla
    // Ikona
    icon = null;
    try {
        String path = "/material-design-icons/hardware/drawable-xhdpi/ic_security_black_18dp.png";
        icon = new ImageIcon(App.class.getResource(path));
    } catch (NullPointerException ex) {
        System.out.println("Icon not found");
    }
    // Pidn labelu s ikonou
    label.gridy = 1;
    field.gridy = 1;
    JLabel secretLabel = new JLabel("Heslo: ", icon, JLabel.CENTER);
    secretLabel.setFont(secretLabel.getFont().deriveFont(App.FONT_SIZE * 2 / 3));
    panel.add(secretLabel, label);
    // Pole pro heslo
    final JTextField secret = new JTextField();
    secret.setMaximumSize(new Dimension(Integer.MAX_VALUE, 50));
    secret.setFont(secret.getFont().deriveFont(App.FONT_SIZE * 2 / 3));
    panel.add(secret, field);

    this.setVisible(true);

    // Akce pro odesln formule
    ActionListener submit = new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            submit(prop, name, secret, false);
        }
    };

    // Pi stisku klvesy Enter odele formul
    name.addActionListener(submit);
    secret.addActionListener(submit);
    // Pi zmn pole pro heslo se vstup okamit zformtuje
    final Runnable sanitizer = new Runnable() {
        @Override
        public void run() {
            sanitize(secret);

        }
    };
    secret.getDocument().addDocumentListener(new DocumentListener() {

        @Override
        public void removeUpdate(DocumentEvent e) {
        }

        @Override
        public void insertUpdate(DocumentEvent e) {
            SwingUtilities.invokeLater(sanitizer);
        }

        @Override
        public void changedUpdate(DocumentEvent e) {
        }
    });

    // Pi zaven okna odele formul
    this.addWindowListener(new WindowListener() {

        @Override
        public void windowOpened(WindowEvent e) {
            // Ignorovat

        }

        @Override
        public void windowIconified(WindowEvent e) {
            // Ignorovat

        }

        @Override
        public void windowDeiconified(WindowEvent e) {
            // Ignorovat

        }

        @Override
        public void windowDeactivated(WindowEvent e) {
            // Ignorovat

        }

        @Override
        public void windowClosing(WindowEvent e) {
            // Odeslat
            submit(prop, name, secret, true);

        }

        @Override
        public void windowClosed(WindowEvent e) {
            // Ignorovat

        }

        @Override
        public void windowActivated(WindowEvent e) {
            // Ignorovat

        }
    });
}

From source file:com.jostrobin.battleships.view.panels.PlacementPanel.java

@Override
public void afterPropertiesSet() throws Exception {
    setLayout(new GridBagLayout());

    battleField = new BattleFieldPanel("");
    GridBagConstraints gamePanelConstraints = new GridBagConstraints();
    gamePanelConstraints.weightx = 0.6;/*from  w  ww  . j a va2s .c o m*/
    gamePanelConstraints.weighty = 1.0;
    gamePanelConstraints.gridy = y;
    gamePanelConstraints.gridheight = 4;
    gamePanelConstraints.anchor = GridBagConstraints.ABOVE_BASELINE;
    gamePanelConstraints.fill = GridBagConstraints.BOTH;
    add(battleField, gamePanelConstraints);

    rotate = new JButton("Rotate ship");
    rotate.addActionListener(this);
    GridBagConstraints leftButtonConstraints = new GridBagConstraints();
    leftButtonConstraints.gridy = y++;
    leftButtonConstraints.gridx = 1;
    leftButtonConstraints.fill = GridBagConstraints.NONE;
    leftButtonConstraints.anchor = GridBagConstraints.ABOVE_BASELINE;
    add(rotate, leftButtonConstraints);

    random = new JButton("Random");
    random.addActionListener(this);
    GridBagConstraints randomButtonConstraints = new GridBagConstraints();
    randomButtonConstraints.gridy = y++;
    randomButtonConstraints.gridx = 1;
    randomButtonConstraints.fill = GridBagConstraints.NONE;
    randomButtonConstraints.anchor = GridBagConstraints.ABOVE_BASELINE;
    random.addActionListener(this);
    add(random, randomButtonConstraints);

    shipsPanel = new ShipsPanel();
    GridBagConstraints shipsPanelConstraints = new GridBagConstraints();
    shipsPanelConstraints.weightx = 1.0;
    shipsPanelConstraints.weighty = 1.0;
    shipsPanelConstraints.anchor = GridBagConstraints.BASELINE;
    shipsPanelConstraints.fill = GridBagConstraints.BOTH;
    shipsPanelConstraints.gridy = y++;
    shipsPanelConstraints.gridx = 1;
    add(shipsPanel, shipsPanelConstraints);

    ready = new JButton("I'm ready");
    ready.addActionListener(this);
    GridBagConstraints readyButtonConstraints = new GridBagConstraints();
    readyButtonConstraints.gridy = y++;
    readyButtonConstraints.gridx = 1;
    readyButtonConstraints.anchor = GridBagConstraints.ABOVE_BASELINE;
    ready.setEnabled(false);
    add(ready, readyButtonConstraints);

    updateShips();
}