Java 类javax.swing.ComponentInputMap 实例源码

public Result testMakeComponentInputMap() {
    Object[] bindings = new Object[]{};
    JComponent component = new JComponent() { };
    try {
        ComponentInputMap map = LookAndFeel.makeComponentInputMap(component, bindings); 
        checkForNull( map, "map created from zero-length array is not empty");
        if (map.getComponent() != component) {
            return failed("wrong component in the map");
        }
        bindings = new Object[]{KeyStroke.getKeyStroke('a'), new Object(), KeyStroke.getKeyStroke( 'b')};
        try {
            LookAndFeel.makeComponentInputMap(component, bindings );
            return failed("Expect an RuntimeException");
        } catch (RuntimeException ee ) {}
        bindings = createBindings();
        if (!checkIsSubset( bindings, buildBindings( LookAndFeel.makeComponentInputMap(component, bindings )))) {
            return failed("Failed to make input map");
        }

    } catch (RuntimeException e) {
      //  e.printStackTrace();
        return failed("Unexpected exception of " + e.getClass());
    }

    return passed();
}

public EuropeButton(String text, int keyEvent, String command,
                    ActionListener listener) {
    setOpaque(true);
    setText(text);
    setActionCommand(command);
    addActionListener(listener);
    InputMap closeInputMap = new ComponentInputMap(this);
    closeInputMap.put(KeyStroke.getKeyStroke(keyEvent, 0, false),
                      "pressed");
    closeInputMap.put(KeyStroke.getKeyStroke(keyEvent, 0, true),
                      "released");
    SwingUtilities.replaceUIInputMap(this,
                                     JComponent.WHEN_IN_FOCUSED_WINDOW,
                                     closeInputMap);
    enterPressesWhenFocused(this);
}

private void filterInputMap(JComponent component, int condition) {
    InputMap imap = component.getInputMap(condition);
    if (imap instanceof ComponentInputMap) {
        imap = new F8FilterComponentInputMap(component, imap);
    } else {
        imap = new F8FilterInputMap(imap);
    }
    component.setInputMap(condition, imap);
}

public EuropeButton(String text, int keyEvent, String command,
                    ActionListener listener) {
    setOpaque(true);
    setText(text);
    setActionCommand(command);
    addActionListener(listener);
    InputMap closeInputMap = new ComponentInputMap(this);
    closeInputMap.put(KeyStroke.getKeyStroke(keyEvent, 0, false),
                      "pressed");
    closeInputMap.put(KeyStroke.getKeyStroke(keyEvent, 0, true),
                      "released");
    SwingUtilities.replaceUIInputMap(this,
                                     JComponent.WHEN_IN_FOCUSED_WINDOW,
                                     closeInputMap);
}

public EuropeButton(String text, int keyEvent, String command,
                    ActionListener listener) {
    setOpaque(true);
    setText(text);
    setActionCommand(command);
    addActionListener(listener);
    InputMap closeInputMap = new ComponentInputMap(this);
    closeInputMap.put(KeyStroke.getKeyStroke(keyEvent, 0, false),
                      "pressed");
    closeInputMap.put(KeyStroke.getKeyStroke(keyEvent, 0, true),
                      "released");
    SwingUtilities.replaceUIInputMap(this,
                                     JComponent.WHEN_IN_FOCUSED_WINDOW,
                                     closeInputMap);
}

public MapKeyboardController(PreviewMap map, boolean enabled) {
    super(map);

    inputMap = new ComponentInputMap(map);
    ActionMap actionMap = map.getActionMap();

    // map moving
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, 0, false), "MOVE_RIGHT");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, 0, false), "MOVE_LEFT");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0, false), "MOVE_UP");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0, false), "MOVE_DOWN");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, 0, true), "STOP_MOVE_HORIZONTALLY");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, 0, true), "STOP_MOVE_HORIZONTALLY");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0, true), "STOP_MOVE_VERTICALLY");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0, true), "STOP_MOVE_VERTICALLY");

    // zooming. To avoid confusion about which modifier key to use,
    // we just add all keys left of the space bar
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, InputEvent.CTRL_DOWN_MASK, false),
            "ZOOM_IN");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, InputEvent.META_DOWN_MASK, false),
            "ZOOM_IN");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, InputEvent.ALT_DOWN_MASK, false),
            "ZOOM_IN");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, InputEvent.CTRL_DOWN_MASK, false),
            "ZOOM_OUT");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, InputEvent.META_DOWN_MASK, false),
            "ZOOM_OUT");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, InputEvent.ALT_DOWN_MASK, false),
            "ZOOM_OUT");

    // map selection
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, InputEvent.CTRL_DOWN_MASK, false),
            "PREVIOUS_MAP");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, InputEvent.META_DOWN_MASK, false),
            "PREVIOUS_MAP");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, InputEvent.ALT_DOWN_MASK, false),
            "PREVIOUS_MAP");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, InputEvent.CTRL_DOWN_MASK, false),
            "NEXT_MAP");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, InputEvent.META_DOWN_MASK, false),
            "NEXT_MAP");
    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, InputEvent.ALT_DOWN_MASK, false),
            "NEXT_MAP");

    inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_F5, 0, true), "REFRESH");

    // action mapping
    actionMap.put("MOVE_RIGHT", new MoveRightAction());
    actionMap.put("MOVE_LEFT", new MoveLeftAction());
    actionMap.put("MOVE_UP", new MoveUpAction());
    actionMap.put("MOVE_DOWN", new MoveDownAction());
    actionMap.put("STOP_MOVE_HORIZONTALLY", new StopMoveHorizontallyAction());
    actionMap.put("STOP_MOVE_VERTICALLY", new StopMoveVerticallyAction());
    actionMap.put("ZOOM_IN", new ZoomInAction());
    actionMap.put("ZOOM_OUT", new ZoomOutAction());
    actionMap.put("NEXT_MAP", new NextMapAction());
    actionMap.put("PREVIOUS_MAP", new PreviousMapAction());
    actionMap.put("REFRESH", new RefreshAction());
    if (enabled)
        enable();
}

@Override
public void disable() {
    map.setInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW, new ComponentInputMap(map));
}