Example usage for javax.swing InputMap put

Introduction

In this page you can find the example usage for javax.swing InputMap put.

Prototype

public void put(KeyStroke keyStroke, Object actionMapKey) 

Source Link

Document

Adds a binding for keyStroke to actionMapKey .

Usage

From source file:Main.java

public static void main(String args[]) {
    String ACTION_KEY = "The Action";

    JFrame frame = new JFrame("KeyStroke Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JButton buttonA = new JButton("FOCUSED (control alt 7)");
    JButton buttonB = new JButton("FOCUS/RELEASE (VK_ENTER)");
    JButton buttonC = new JButton("ANCESTOR  (VK_F4+SHIFT_MASK)");
    JButton buttonD = new JButton("WINDOW (' ')");

    Action actionListener = new AbstractAction() {
        public void actionPerformed(ActionEvent actionEvent) {
            JButton source = (JButton) actionEvent.getSource();
            System.out.println("Activated: " + source.getText());
        }/*from w  w w  .j a  v  a  2 s .co m*/
    };

    KeyStroke controlAlt7 = KeyStroke.getKeyStroke("control alt 7");
    InputMap inputMap = buttonA.getInputMap();
    inputMap.put(controlAlt7, ACTION_KEY);
    ActionMap actionMap = buttonA.getActionMap();

    ActionMap newMap = new ActionMap();
    newMap.setParent(actionMap);
    System.out.println(newMap.getParent());

    actionMap.put(ACTION_KEY, actionListener);

    KeyStroke enter = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, true);
    inputMap = buttonB.getInputMap();
    inputMap.put(enter, ACTION_KEY);
    buttonB.setActionMap(actionMap);

    KeyStroke shiftF4 = KeyStroke.getKeyStroke(KeyEvent.VK_F4, InputEvent.SHIFT_MASK);
    inputMap = buttonC.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
    inputMap.put(shiftF4, ACTION_KEY);
    buttonC.setActionMap(actionMap);

    KeyStroke space = KeyStroke.getKeyStroke(' ');
    inputMap = buttonD.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
    inputMap.put(space, ACTION_KEY);
    buttonD.setActionMap(actionMap);

    frame.setLayout(new GridLayout(2, 2));
    frame.add(buttonA);
    frame.add(buttonB);
    frame.add(buttonC);
    frame.add(buttonD);

    frame.setSize(400, 200);
    frame.setVisible(true);
}

---

From source file:FrameKey.java

public static void main(String args[]) {
    final JFrame frame = new JFrame("Frame Key");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Action actionListener = new AbstractAction() {
        public void actionPerformed(ActionEvent actionEvent) {
            JDialog dialog = new EscapeDialog(frame, "Hey");
            JButton button = new JButton("Okay");
            ActionListener innerActionListener = new ActionListener() {
                public void actionPerformed(ActionEvent actionEvent) {
                    System.out.println("Dialog Button Selected");
                }//from w  ww.j  a  v a 2s .c  om
            };
            button.addActionListener(innerActionListener);
            dialog.getContentPane().add(button, BorderLayout.SOUTH);
            dialog.setSize(200, 200);
            dialog.show();
        }
    };

    JPanel content = (JPanel) frame.getContentPane();
    KeyStroke stroke = KeyStroke.getKeyStroke("M");

    InputMap inputMap = content.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
    inputMap.put(stroke, "OPEN");
    content.getActionMap().put("OPEN", actionListener);

    frame.setSize(300, 300);
    frame.setVisible(true);
}

---

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame("Frame");
    frame.add(Box.createRigidArea(new Dimension(400, 300)));
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();//from  ww  w .  j a  v  a  2 s  .co  m
    frame.setVisible(true);

    JDialog dialog = new JDialog(frame, "Dialog", true);

    int condition = JPanel.WHEN_IN_FOCUSED_WINDOW;
    InputMap inputMap = ((JPanel) dialog.getContentPane()).getInputMap(condition);
    ActionMap actionMap = ((JPanel) dialog.getContentPane()).getActionMap();
    String enter = "enter";
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), enter);
    actionMap.put(enter, new AbstractAction() {
        @Override
        public void actionPerformed(ActionEvent e) {
            dialog.dispose();
        }
    });

    dialog.add(Box.createRigidArea(new Dimension(200, 200)));
    dialog.pack();
    dialog.setLocationRelativeTo(frame);
    dialog.setVisible(true);

}

---

From source file:MoveViewSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("JViewport Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Icon icon = new ImageIcon("yourFile.gif");
    JLabel dogLabel = new JLabel(icon);
    JViewport viewport = new JViewport();
    viewport.setView(dogLabel);//ww  w  .j a  v  a2s .co m
    InputMap inputMap = viewport.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
    ActionMap actionMap = viewport.getActionMap();

    Action upKeyAction = new MoveAction(viewport, DECREASE, Y_AXIS, UNIT);
    KeyStroke upKey = KeyStroke.getKeyStroke("UP");
    inputMap.put(upKey, "up");
    actionMap.put("up", upKeyAction);

    Action downKeyAction = new MoveAction(viewport, INCREASE, Y_AXIS, UNIT);
    KeyStroke downKey = KeyStroke.getKeyStroke("DOWN");
    inputMap.put(downKey, "down");
    actionMap.put("down", downKeyAction);

    Action leftKeyAction = new MoveAction(viewport, DECREASE, X_AXIS, UNIT);
    KeyStroke leftKey = KeyStroke.getKeyStroke("LEFT");
    inputMap.put(leftKey, "left");
    actionMap.put("left", leftKeyAction);

    Action rightKeyAction = new MoveAction(viewport, INCREASE, X_AXIS, UNIT);
    KeyStroke rightKey = KeyStroke.getKeyStroke("RIGHT");
    inputMap.put(rightKey, "right");
    actionMap.put("right", rightKeyAction);

    Action pgUpKeyAction = new MoveAction(viewport, DECREASE, Y_AXIS, BLOCK);
    KeyStroke pgUpKey = KeyStroke.getKeyStroke("PAGE_UP");
    inputMap.put(pgUpKey, "pgUp");
    actionMap.put("pgUp", pgUpKeyAction);

    Action pgDnKeyAction = new MoveAction(viewport, INCREASE, Y_AXIS, BLOCK);
    KeyStroke pgDnKey = KeyStroke.getKeyStroke("PAGE_DOWN");
    inputMap.put(pgDnKey, "pgDn");
    actionMap.put("pgDn", pgDnKeyAction);

    Action shiftPgUpKeyAction = new MoveAction(viewport, DECREASE, X_AXIS, BLOCK);
    KeyStroke shiftPgUpKey = KeyStroke.getKeyStroke("shift PAGE_UP");
    inputMap.put(shiftPgUpKey, "shiftPgUp");
    actionMap.put("shiftPgUp", shiftPgUpKeyAction);

    Action shiftPgDnKeyAction = new MoveAction(viewport, INCREASE, X_AXIS, BLOCK);
    KeyStroke shiftPgDnKey = KeyStroke.getKeyStroke("shift PAGE_DOWN");
    inputMap.put(shiftPgDnKey, "shiftPgDn");
    actionMap.put("shiftPgDn", shiftPgDnKeyAction);

    frame.add(viewport, BorderLayout.CENTER);
    frame.setSize(300, 200);
    frame.setVisible(true);
}

---

From source file:MoveViewSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("JViewport Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Icon icon = new ImageIcon("dog.jpg");
    JLabel dogLabel = new JLabel(icon);
    JViewport viewport = new JViewport();
    viewport.setView(dogLabel);//from w ww .  ja  v a2 s  .  c  om

    InputMap inputMap = viewport.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
    ActionMap actionMap = viewport.getActionMap();

    // Up key moves view up unit
    Action upKeyAction = new MoveAction(viewport, DECREASE, Y_AXIS, UNIT);
    KeyStroke upKey = KeyStroke.getKeyStroke("UP");
    inputMap.put(upKey, "up");
    actionMap.put("up", upKeyAction);

    // Down key moves view down unit
    Action downKeyAction = new MoveAction(viewport, INCREASE, Y_AXIS, UNIT);
    KeyStroke downKey = KeyStroke.getKeyStroke("DOWN");
    inputMap.put(downKey, "down");
    actionMap.put("down", downKeyAction);

    // Left key moves view left unit
    Action leftKeyAction = new MoveAction(viewport, DECREASE, X_AXIS, UNIT);
    KeyStroke leftKey = KeyStroke.getKeyStroke("LEFT");
    inputMap.put(leftKey, "left");
    actionMap.put("left", leftKeyAction);

    // Right key moves view right unit
    Action rightKeyAction = new MoveAction(viewport, INCREASE, X_AXIS, UNIT);
    KeyStroke rightKey = KeyStroke.getKeyStroke("RIGHT");
    inputMap.put(rightKey, "right");
    actionMap.put("right", rightKeyAction);

    // PgUp key moves view up block
    Action pgUpKeyAction = new MoveAction(viewport, DECREASE, Y_AXIS, BLOCK);
    KeyStroke pgUpKey = KeyStroke.getKeyStroke("PAGE_UP");
    inputMap.put(pgUpKey, "pgUp");
    actionMap.put("pgUp", pgUpKeyAction);

    // PgDn key moves view down block
    Action pgDnKeyAction = new MoveAction(viewport, INCREASE, Y_AXIS, BLOCK);
    KeyStroke pgDnKey = KeyStroke.getKeyStroke("PAGE_DOWN");
    inputMap.put(pgDnKey, "pgDn");
    actionMap.put("pgDn", pgDnKeyAction);

    // Shift-PgUp key moves view left block
    Action shiftPgUpKeyAction = new MoveAction(viewport, DECREASE, X_AXIS, BLOCK);
    KeyStroke shiftPgUpKey = KeyStroke.getKeyStroke("shift PAGE_UP");
    inputMap.put(shiftPgUpKey, "shiftPgUp");
    actionMap.put("shiftPgUp", shiftPgUpKeyAction);

    // Shift-PgDn key moves view right block
    Action shiftPgDnKeyAction = new MoveAction(viewport, INCREASE, X_AXIS, BLOCK);
    KeyStroke shiftPgDnKey = KeyStroke.getKeyStroke("shift PAGE_DOWN");
    inputMap.put(shiftPgDnKey, "shiftPgDn");
    actionMap.put("shiftPgDn", shiftPgDnKeyAction);

    Container contentPane = frame.getContentPane();
    contentPane.add(viewport, BorderLayout.CENTER);
    frame.setSize(300, 200);
    frame.setVisible(true);
}

---

From source file:com.willwinder.universalgcodesender.ExperimentalWindow.java

/**
 * @param args the command line arguments
 *//*from w  ww .j  ava  2s  . c  o m*/
public static void main(String args[]) {

    /* Set the Nimbus look and feel */
    //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
    /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
     * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
     */
    try {
        for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
            if ("Nimbus".equals(info.getName())) {
                javax.swing.UIManager.setLookAndFeel(info.getClassName());
                break;
            }
        }
    } catch (ClassNotFoundException ex) {
        java.util.logging.Logger.getLogger(ExperimentalWindow.class.getName())
                .log(java.util.logging.Level.SEVERE, null, ex);
    } catch (InstantiationException ex) {
        java.util.logging.Logger.getLogger(ExperimentalWindow.class.getName())
                .log(java.util.logging.Level.SEVERE, null, ex);
    } catch (IllegalAccessException ex) {
        java.util.logging.Logger.getLogger(ExperimentalWindow.class.getName())
                .log(java.util.logging.Level.SEVERE, null, ex);
    } catch (javax.swing.UnsupportedLookAndFeelException ex) {
        java.util.logging.Logger.getLogger(ExperimentalWindow.class.getName())
                .log(java.util.logging.Level.SEVERE, null, ex);
    }
    //</editor-fold>

    // Fix look and feel to use CMD+C/X/V/A instead of CTRL
    if (SystemUtils.IS_OS_MAC) {
        Collection<InputMap> ims = new ArrayList<>();
        ims.add((InputMap) UIManager.get("TextField.focusInputMap"));
        ims.add((InputMap) UIManager.get("TextArea.focusInputMap"));
        ims.add((InputMap) UIManager.get("EditorPane.focusInputMap"));
        ims.add((InputMap) UIManager.get("FormattedTextField.focusInputMap"));
        ims.add((InputMap) UIManager.get("PasswordField.focusInputMap"));
        ims.add((InputMap) UIManager.get("TextPane.focusInputMap"));

        int c = KeyEvent.VK_C;
        int v = KeyEvent.VK_V;
        int x = KeyEvent.VK_X;
        int a = KeyEvent.VK_A;
        int meta = Toolkit.getDefaultToolkit().getMenuShortcutKeyMask();

        for (InputMap im : ims) {
            im.put(KeyStroke.getKeyStroke(c, meta), DefaultEditorKit.copyAction);
            im.put(KeyStroke.getKeyStroke(v, meta), DefaultEditorKit.pasteAction);
            im.put(KeyStroke.getKeyStroke(x, meta), DefaultEditorKit.cutAction);
            im.put(KeyStroke.getKeyStroke(a, meta), DefaultEditorKit.selectAllAction);
        }
    }

    /* Create the form */
    //        GUIBackend backend = new GUIBackend();
    final ExperimentalWindow mw = new ExperimentalWindow();

    /* Apply the settings to the ExperimentalWindow bofore showing it */

    mw.setSize(mw.backend.getSettings().getMainWindowSettings().width,
            mw.backend.getSettings().getMainWindowSettings().height);
    mw.setLocation(mw.backend.getSettings().getMainWindowSettings().xLocation,
            mw.backend.getSettings().getMainWindowSettings().yLocation);

    mw.addComponentListener(new ComponentListener() {
        @Override
        public void componentResized(ComponentEvent ce) {
            mw.backend.getSettings().getMainWindowSettings().height = ce.getComponent().getSize().height;
            mw.backend.getSettings().getMainWindowSettings().width = ce.getComponent().getSize().width;
        }

        @Override
        public void componentMoved(ComponentEvent ce) {
            mw.backend.getSettings().getMainWindowSettings().xLocation = ce.getComponent().getLocation().x;
            mw.backend.getSettings().getMainWindowSettings().yLocation = ce.getComponent().getLocation().y;
        }

        @Override
        public void componentShown(ComponentEvent ce) {
        }

        @Override
        public void componentHidden(ComponentEvent ce) {
        }
    });

    /* Display the form */
    java.awt.EventQueue.invokeLater(new Runnable() {

        @Override
        public void run() {
            mw.setVisible(true);
        }
    });

    Runtime.getRuntime().addShutdownHook(new Thread() {
        @Override
        public void run() {
            mw.connectionPanel.saveSettings();
            mw.commandPanel.saveSettings();

            if (mw.pendantUI != null) {
                mw.pendantUI.stop();
            }
        }
    });
}

---

From source file:com.willwinder.universalgcodesender.MainWindow.java

/**
 * @param args the command line arguments
 *//*from   ww w  . ja  v  a 2  s .co  m*/
public static void main(String args[]) {

    /* Set the Nimbus look and feel */
    //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
    /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
     * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
     */
    try {
        for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
            if ("Nimbus".equals(info.getName())) {
                javax.swing.UIManager.setLookAndFeel(info.getClassName());
                break;
            }
        }
    } catch (ClassNotFoundException ex) {
        java.util.logging.Logger.getLogger(MainWindow.class.getName()).log(java.util.logging.Level.SEVERE, null,
                ex);
    } catch (InstantiationException ex) {
        java.util.logging.Logger.getLogger(MainWindow.class.getName()).log(java.util.logging.Level.SEVERE, null,
                ex);
    } catch (IllegalAccessException ex) {
        java.util.logging.Logger.getLogger(MainWindow.class.getName()).log(java.util.logging.Level.SEVERE, null,
                ex);
    } catch (javax.swing.UnsupportedLookAndFeelException ex) {
        java.util.logging.Logger.getLogger(MainWindow.class.getName()).log(java.util.logging.Level.SEVERE, null,
                ex);
    }
    //</editor-fold>

    // Fix look and feel to use CMD+C/X/V/A instead of CTRL
    if (SystemUtils.IS_OS_MAC) {
        Collection<InputMap> ims = new ArrayList<>();
        ims.add((InputMap) UIManager.get("TextField.focusInputMap"));
        ims.add((InputMap) UIManager.get("TextArea.focusInputMap"));
        ims.add((InputMap) UIManager.get("EditorPane.focusInputMap"));
        ims.add((InputMap) UIManager.get("FormattedTextField.focusInputMap"));
        ims.add((InputMap) UIManager.get("PasswordField.focusInputMap"));
        ims.add((InputMap) UIManager.get("TextPane.focusInputMap"));

        int c = KeyEvent.VK_C;
        int v = KeyEvent.VK_V;
        int x = KeyEvent.VK_X;
        int a = KeyEvent.VK_A;
        int meta = Toolkit.getDefaultToolkit().getMenuShortcutKeyMask();

        for (InputMap im : ims) {
            im.put(KeyStroke.getKeyStroke(c, meta), DefaultEditorKit.copyAction);
            im.put(KeyStroke.getKeyStroke(v, meta), DefaultEditorKit.pasteAction);
            im.put(KeyStroke.getKeyStroke(x, meta), DefaultEditorKit.cutAction);
            im.put(KeyStroke.getKeyStroke(a, meta), DefaultEditorKit.selectAllAction);
        }
    }

    /* Create the form */
    GUIBackend backend = new GUIBackend();
    final MainWindow mw = new MainWindow(backend);

    /* Apply the settings to the MainWindow bofore showing it */
    mw.arrowMovementEnabled.setSelected(mw.settings.isManualModeEnabled());
    mw.stepSizeSpinner.setValue(mw.settings.getManualModeStepSize());
    boolean unitsAreMM = mw.settings.getDefaultUnits().equals("mm");
    mw.mmRadioButton.setSelected(unitsAreMM);
    mw.inchRadioButton.setSelected(!unitsAreMM);
    mw.fileChooser = new JFileChooser(mw.settings.getLastOpenedFilename());
    mw.commPortComboBox.setSelectedItem(mw.settings.getPort());
    mw.baudrateSelectionComboBox.setSelectedItem(mw.settings.getPortRate());
    mw.scrollWindowCheckBox.setSelected(mw.settings.isScrollWindowEnabled());
    mw.showVerboseOutputCheckBox.setSelected(mw.settings.isVerboseOutputEnabled());
    mw.showCommandTableCheckBox.setSelected(mw.settings.isCommandTableEnabled());
    mw.showCommandTableCheckBoxActionPerformed(null);
    mw.firmwareComboBox.setSelectedItem(mw.settings.getFirmwareVersion());

    mw.setSize(mw.settings.getMainWindowSettings().width, mw.settings.getMainWindowSettings().height);
    mw.setLocation(mw.settings.getMainWindowSettings().xLocation,
            mw.settings.getMainWindowSettings().yLocation);

    mw.addComponentListener(new ComponentListener() {
        @Override
        public void componentResized(ComponentEvent ce) {
            mw.settings.getMainWindowSettings().height = ce.getComponent().getSize().height;
            mw.settings.getMainWindowSettings().width = ce.getComponent().getSize().width;
        }

        @Override
        public void componentMoved(ComponentEvent ce) {
            mw.settings.getMainWindowSettings().xLocation = ce.getComponent().getLocation().x;
            mw.settings.getMainWindowSettings().yLocation = ce.getComponent().getLocation().y;
        }

        @Override
        public void componentShown(ComponentEvent ce) {
        }

        @Override
        public void componentHidden(ComponentEvent ce) {
        }
    });

    /* Display the form */
    java.awt.EventQueue.invokeLater(new Runnable() {

        @Override
        public void run() {
            mw.setVisible(true);
        }
    });

    mw.initFileChooser();

    Runtime.getRuntime().addShutdownHook(new Thread() {
        @Override
        public void run() {
            if (mw.fileChooser.getSelectedFile() != null) {
                mw.settings.setLastOpenedFilename(mw.fileChooser.getSelectedFile().getAbsolutePath());
            }

            mw.settings.setDefaultUnits(mw.inchRadioButton.isSelected() ? "inch" : "mm");
            mw.settings.setManualModeStepSize(mw.getStepSize());
            mw.settings.setManualModeEnabled(mw.arrowMovementEnabled.isSelected());
            mw.settings.setPort(mw.commPortComboBox.getSelectedItem().toString());
            mw.settings.setPortRate(mw.baudrateSelectionComboBox.getSelectedItem().toString());
            mw.settings.setScrollWindowEnabled(mw.scrollWindowCheckBox.isSelected());
            mw.settings.setVerboseOutputEnabled(mw.showVerboseOutputCheckBox.isSelected());
            mw.settings.setCommandTableEnabled(mw.showCommandTableCheckBox.isSelected());
            mw.settings.setFirmwareVersion(mw.firmwareComboBox.getSelectedItem().toString());
            SettingsFactory.saveSettings(mw.settings);

            if (mw.pendantUI != null) {
                mw.pendantUI.stop();
            }
        }
    });

    // Check command line for a file to open.
    boolean open = false;
    for (String arg : args) {
        if (open) {
            try {
                backend.setGcodeFile(new File(arg));
            } catch (Exception ex) {
                Logger.getLogger(MainWindow.class.getName()).log(Level.SEVERE, null, ex);
                System.exit(1);
            }
        }
        if (arg.equals("--open") || arg.equals("-o")) {
            open = true;
        }
    }
}

---

From source file:Main.java

public static void closeOnEscape(final JFrame frame) {
    KeyStroke stroke = KeyStroke.getKeyStroke("ESCAPE");
    Action actionListener = new AbstractAction() {
        public void actionPerformed(ActionEvent actionEvent) {
            frame.setVisible(false);/*  w w w  . ja v a 2s  .  co m*/
            frame.dispose();
        }
    };
    JRootPane rootPane = frame.getRootPane();
    InputMap inputMap = rootPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
    inputMap.put(stroke, "ESCAPE");
    rootPane.getActionMap().put("ESCAPE", actionListener);
}

---

From source file:Main.java

/**
 * Binds an action to the dialog so when the user presses the ESCAPE key, the dialog is hidden.
 * /*ww  w.  j  a va 2s. c  o m*/
 * @param dialog
 *            the dialog to bind the action to.
 */
public static void bindEscapeAction(final JDialog dialog) {
    InputMap iMap = dialog.getRootPane().getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
    iMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), "escape");

    ActionMap aMap = dialog.getRootPane().getActionMap();
    aMap.put("escape", new AbstractAction() {
        public void actionPerformed(ActionEvent e) {
            dialog.setVisible(false);
        }
    });
}

---

From source file:Main.java

/**
 * install focus forward and backward/*from w  w  w  .j a  va  2 s  .c  o  m*/
 */
public static void installDefaultFocusHandling(Container c) {
    // focus TAB
    HashSet<KeyStroke> set = new HashSet<KeyStroke>(1);
    set.add(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0));
    c.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set);

    // focus shift-TAB
    set = new HashSet<KeyStroke>(1);
    set.add(KeyStroke.getKeyStroke(KeyEvent.VK_TAB, InputEvent.SHIFT_MASK));
    c.setFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, set);

    // make input map WHEN_FOCUSED non-empty for Focus Traversal policy to work
    // correctly
    if (c instanceof JComponent) {
        JComponent jc = (JComponent) c;
        InputMap inputMapWhenFocused = jc.getInputMap(JComponent.WHEN_FOCUSED);
        if (inputMapWhenFocused.size() == 0) {
            inputMapWhenFocused.put(KeyStroke.getKeyStroke(KeyEvent.VK_STOP, KeyEvent.KEY_TYPED),
                    "swingDummyFocusKey");
        }
    }
}

---

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