Java Utililty Methods Swing Key Action

List of utility methods to do Swing Key Action

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Description

The list of methods to do Swing Key Action are organized into topic(s).

Method

StringgetPrettyStringFor(KeyStroke keyStroke)
Returns a pretty string value for a KeyStroke, suitable for display as the keystroke's value in a GUI. 
if (keyStroke == null)
    return "";
String string = KeyEvent.getKeyModifiersText(keyStroke.getModifiers());
if (string != null && string.length() > 0)
    string += "+";
int keyCode = keyStroke.getKeyCode();
if (keyCode != KeyEvent.VK_SHIFT && keyCode != KeyEvent.VK_CONTROL && keyCode != KeyEvent.VK_ALT
        && keyCode != KeyEvent.VK_META)
...
KeyStrokegetSystemHelpKey()
get key that initiates help system 
return KeyStroke.getKeyStroke(KeyEvent.VK_F1, 0);
JPanelgetTypePanel(final ActionListener typeListener)
get Type Panel 
final JRadioButton fourPlexButton = new JRadioButton("4-plex");
fourPlexButton.setMnemonic(KeyEvent.VK_4);
fourPlexButton.setSelected(true);
fourPlexButton.setActionCommand("4");
final JRadioButton eightPlexButton = new JRadioButton("8-plex");
eightPlexButton.setMnemonic(KeyEvent.VK_8);
eightPlexButton.setActionCommand("8");
final ButtonGroup typeGroup = new ButtonGroup();
...
voidhandleSliderAdjustmentViaKey(KeyEvent e)
Checks if a slider has been adjusted by a keystroke. 
if (e.getSource() instanceof JSlider) {
    if (KeyEvent.VK_LEFT == e.getKeyCode() || KeyEvent.VK_RIGHT == e.getKeyCode()
            || KeyEvent.VK_UP == e.getKeyCode() || KeyEvent.VK_DOWN == e.getKeyCode()
            || KeyEvent.VK_PAGE_UP == e.getKeyCode() || KeyEvent.VK_PAGE_DOWN == e.getKeyCode()
            || KeyEvent.VK_HOME == e.getKeyCode() || KeyEvent.VK_END == e.getKeyCode()) {
        JSlider slider = (JSlider) e.getSource();
        for (ChangeListener listener : slider.getChangeListeners()) {
            slider.setValueIsAdjusting(true);
...
JButtoninitButton(String text, String actionKey, int shortcutKey, int modifiers, JComponent component, AbstractAction action)
init Button 
setKeyBinding(actionKey, shortcutKey, modifiers, action, component);
JButton button = new JButton(action);
button.setText(text);
button.setMnemonic(shortcutKey);
return button;
voidinstallCloseKey(final RootPaneContainer c)
Install a key listener on a window to close it. 
ActionListener closer = new ActionListener() {
    @Override
    public void actionPerformed(ActionEvent actionEvent) {
        ((Component) c).setVisible(false);
};
JRootPane rootPane = c.getRootPane();
Toolkit toolkit = ((Component) c).getToolkit();
...
booleaninvoke(Action action, Object source)
invoke 
if (action == null || !action.isEnabled()) {
    return false;
ActionEvent evt = new ActionEvent(source, ActionEvent.ACTION_PERFORMED,
        (String) action.getValue(Action.ACTION_COMMAND_KEY), 0);
action.actionPerformed(evt);
return true;
booleanisActionSelected(Action action)
is Action Selected 
if (action == null)
    return false;
Boolean result = (Boolean) action.getValue(Action.SELECTED_KEY);
return result == null ? false : result;
booleanisKeyStrokeEvent(@Nullable final KeyStroke keyStroke, final int keyEventType, @Nullable final KeyEvent event)
is Key Stroke Event 
boolean result = false;
if (keyStroke != null && event != null) {
    if (keyEventType == keyStroke.getKeyEventType()) {
        result = ((keyStroke.getModifiers() & event.getModifiers()) == keyStroke.getModifiers())
                && (keyStroke.getKeyCode() == event.getKeyCode());
return result;
...
booleanisValidKey(int keyCode)
Returns whether the specified key code is valid. 
switch (keyCode) {
case KeyEvent.VK_ENTER:
case KeyEvent.VK_BACK_SPACE:
case KeyEvent.VK_TAB:
case KeyEvent.VK_CANCEL:
case KeyEvent.VK_CLEAR:
case KeyEvent.VK_SHIFT:
case KeyEvent.VK_CONTROL:
...