e611. Setting Focus Traversal Keys for the Entire Application

This example changes the focus traversal keys for the entire application. For an example of how to change the focus traversal keys for a particular component, see e610 Setting Focus Traversal Keys in a Component.

    // Change the forward focus traversal keys for the application
    Set set = new HashSet(
        KeyboardFocusManager.getCurrentKeyboardFocusManager().getDefaultFocusTraversalKeys(
            KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS));
    set.clear();   // Call clear() if you want to eliminate the current key set
    set.add(KeyStroke.getKeyStroke("F2"));
    KeyboardFocusManager.getCurrentKeyboardFocusManager().setDefaultFocusTraversalKeys(
        KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set);
    
    // Change the backward focus traversal keys for the application
    set = new HashSet(
        KeyboardFocusManager.getCurrentKeyboardFocusManager().getDefaultFocusTraversalKeys(
            KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS));
    set.clear();   // Call clear() if you want to eliminate the current key set
    set.add(KeyStroke.getKeyStroke("F3"));
    KeyboardFocusManager.getCurrentKeyboardFocusManager().setDefaultFocusTraversalKeys(
        KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, set);
    
    // Remove all forward and backward focus traversal keys for the application
    set.clear();
    KeyboardFocusManager.getCurrentKeyboardFocusManager().setDefaultFocusTraversalKeys(
        KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set);
    KeyboardFocusManager.getCurrentKeyboardFocusManager().setDefaultFocusTraversalKeys(
        KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, set);

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