javax.swing.JComponent#addFocusListener ( )源码实例Demo

@Override
public void installUI(JComponent c) {
	c.addFocusListener(repaintFocusListener);
	c.addMouseListener(mouseListener);
	c.addMouseMotionListener(mouseListener);
	c.addKeyListener(keyListener);

	JColorWell well = (JColorWell) c;
	ColorChangeListener ccl = new ColorChangeListener(c);
	listenerMap.put(well, ccl);
	well.getColorSelectionModel().addChangeListener(ccl);

	ShowColorPaletteActionListener colorPaletteActionListener = new ShowColorPaletteActionListener();
	c.putClientProperty(DOUBLE_CLICK_ACTION_PROPERTY,
			colorPickerActionListener);
	c.putClientProperty(SPACE_KEY_ACTION_PROPERTY,
			colorPickerActionListener);
	c.putClientProperty(SINGLE_CLICK_ACTION_PROPERTY,
			colorPaletteActionListener);
	c.putClientProperty(DOWN_KEY_ACTION_PROPERTY,
			colorPaletteActionListener);
}
 

@Override
public void installUI(JComponent c) {
	super.installUI(c);
	c.addPropertyChangeListener(JPalette.PROPERTY_COLORS,
			propertyLayoutListener);
	c.addPropertyChangeListener(PaletteUI.PROPERTY_HIGHLIGHT,
			propertyRepaintListener);
	c.setLayout(new PaletteLayoutManager());
	c.setRequestFocusEnabled(true);
	c.addMouseListener(mouseListener);
	c.addFocusListener(focusListener);
	c.addKeyListener(keyListener);
	c.setFocusable(true);
	Fields fields = getFields((JPalette) c, true);
	fields.install();
	c.setBorder(new CompoundBorder(new LineBorder(new Color(0xB0B0B0)),
			new FocusedBorder(getDefaultBorder())));
	relayoutCells((JPalette) c);
}
 

/**
 * <pre>
 * 初始化边框焦点监听器
 *
 * Initializes the border focus listener
 * <pre>
 *
 * @param c
 */
protected void installFocusListener(JComponent c)
{
    handle = new LuckComboboxFocusHandle();

    isFocusBorder = UIManager.getBoolean(LuckComboBoxUIBundle.ISFOCUSBORDER);

    if (isFocusBorder)
    {
        contentShape = new RoundRectangle2D.Float(0, 0, 0, 0, 8, 8);

        borderShape = new RoundRectangle2D.Float(0, 0, 0, 0, 8, 8);

        c.addMouseListener(handle);

        c.addFocusListener(handle);
    }
}
 

RepoSelectorPanel(JComponent repoSelector,
                  JComponent newRepoButton) {
    super(null);
    JLabel repoSelectorLabel = new JLabel();

    repoSelectorLabel.setLabelFor(repoSelector);
    repoSelectorLabel.setFocusCycleRoot(true);

    Mnemonics.setLocalizedText(
           repoSelectorLabel,
           NbBundle.getMessage(getClass(),
                               "QueryTopComponent.repoLabel.text"));//NOI18N

    setOpaque(false);

    newRepoButton.addFocusListener(this);
    repoSelector.addFocusListener(this);

    GroupLayout layout;
    setLayout(layout = new GroupLayout(this));
    layout.setHorizontalGroup(
            layout.createSequentialGroup()
                    .addComponent(repoSelectorLabel)
                    .addPreferredGap(RELATED)
                    .addComponent(repoSelector)
                    .addPreferredGap(RELATED)
                    .addComponent(newRepoButton));
    layout.setVerticalGroup(
            layout.createParallelGroup(BASELINE)
                    .addComponent(repoSelectorLabel)
                    .addComponent(repoSelector, DEFAULT_SIZE,
                                       DEFAULT_SIZE,
                                       PREFERRED_SIZE)
                    .addComponent(newRepoButton));
}
 

@Override
public void installUI(JComponent slider) {
	slider.addMouseListener(this);
	slider.addMouseMotionListener(this);
	slider.addFocusListener(focusListener);
	slider.addKeyListener(keyListener);
	slider.addComponentListener(compListener);
	slider.addPropertyChangeListener(propertyListener);
	slider.addPropertyChangeListener(THUMB_SHAPE_PROPERTY,
			thumbShapeListener);
	calculateGeometry();
}
 

@Override
public void installUI(JComponent c) {
	editor = (JTextComponent) c;
	super.installUI(c);
	c.setBorder(null);
	c.setOpaque(false);
	c.addFocusListener(focusListener);
	editor.addPropertyChangeListener(iconListener);
}
 

@Override
public void installUI(JComponent c) {
	super.installUI(c);
	c.setOpaque(false);
	c.addPropertyChangeListener("opaque", opaqueListener);
	trackColor = new Color(trackColor.getRed(), trackColor.getGreen(),
			trackColor.getBlue(), 0);
	c.addPropertyChangeListener(PROPERTY_ROLLOVER_BOOLEAN, rolloverListener);
	c.addFocusListener(focusListener);
	refreshActive();
	refreshBorder();

}
 

/**
 * <pre>
 * 初始化边框焦点监听器
 *
 * Initializes the border focus listener
 * <pre>
 *
 * @param c
 */
protected void installFocusListener(JComponent c)
{
    handle = createFocusHandle();

    borderShape = new RoundRectangle2D.Float(0, 0, 0, 0, 8, 8);

    c.addMouseListener(handle);

    c.addFocusListener(handle);
}
 

/**
 * <pre>
 * 初始化边框焦点监听器
 *
 * Initializes the border focus listener
 * <pre>
 *
 * @param c
 */
protected void installFocusListener(JComponent c)
{
    handle = createFocusHandle();

    borderShape = new RoundRectangle2D.Float(0, 0, 0, 0, 8, 8);

    c.addMouseListener(handle);

    c.addFocusListener(handle);
}
 

/**
 * <pre>
 * 初始化边框焦点监听器
 *
 * Initializes the border focus listener
 * <pre>
 *
 * @param c
 */
protected void installFocusListener(JComponent c)
{
    handle = createFocusHandle();

    borderShape = new RoundRectangle2D.Float(0, 0, 0, 0, 8, 8);

    c.addMouseListener(handle);

    c.addFocusListener(handle);
}
 

/**
     * Creates a UI for a JPasswordField.
     *
     * @param c the password field
     * @return the UI
     */
    public static ComponentUI createUI(JComponent c) 
    {
    	c.addFocusListener(FocusListenerImpl.getInstance());
//    	c.addMouseListener(new NLLookAndFeel.EditMenu());
        return new BEPasswordFieldUI();
    }
 

/**
 * Create a new DropAmountChooser.
 *
 * @param item the item whose drop should be handled by the DropAmountChooser
 * @param target target where the item should be dropped if the user chooses
 * 	an amount greater than 0
 * @param point drop location
 */
DropAmountChooser(StackableItem item, DropTarget target, Point point) {
	this.item = item;
	this.target = target;
	location = point;
	popup = createPopup();

	/*
	 * Select the text when the the popup is displayed. Unfortunately the
	 * selection is normally cleared when the text field gets focus, so we
	 * need to do it in a focus listener. Also the focus listener gets run
	 * before the selection is cleared so to get the desired effect the
	 * selection needs to be pushed to the event queue.
	 */
	final JComponent field = getTextField();
	field.addFocusListener(new FocusAdapter() {
		@Override
		public void focusGained(FocusEvent e) {
			SwingUtilities.invokeLater(new Runnable() {
				@Override
				public void run() {
					((JTextComponent) field).selectAll();
				}
			});
		}
	});
}
 

@Override
public void installUI(JComponent button) {
	super.installUI(button);
	button.addFocusListener(FOCUS_LISTENER);
	button.setForeground(style.getForeground());
	button.setBorder(style.getBorder());
}
 

@Override
public void installUI(JComponent slider) {
	slider.addMouseListener(this);
	slider.addMouseMotionListener(this);
	slider.addFocusListener(focusListener);
	slider.addKeyListener(keyListener);
	slider.addComponentListener(compListener);
	slider.addPropertyChangeListener(propertyListener);
	slider.addPropertyChangeListener(THUMB_SHAPE_PROPERTY, thumbShapeListener);
	calculateGeometry();
}
 

@Override
public void setProperty( String sProperty, Object oValue )
{
	// InteractiveRenderer(iv) is only for Swing
	if ( sProperty.equals( IDeviceRenderer.UPDATE_NOTIFIER ) && iv != null )
	{
		_iun = (IUpdateNotifier) oValue;
		iv.setUpdateNotifier( _iun );
		_lhmAllTriggers.clear( );
		Object obj = _iun.peerInstance( );

		if ( obj instanceof JComponent )
		{
			JComponent jc = (JComponent) obj;

			if ( _eh != null )
			{
				// We can't promise to remove all the old swtEventHandler
				// due to SWT limitation here, so be sure to just attach the
				// update_notifier only to one renderer.

				jc.removeMouseListener( _eh );
				jc.removeMouseMotionListener( _eh );
				jc.removeKeyListener( _eh );
				jc.removeFocusListener( _eh );
			}

			_eh = new SwingEventHandler( iv,
					_lhmAllTriggers,
					_iun,
					getULocale( ) );
			jc.addMouseListener( _eh );
			jc.addMouseMotionListener( _eh );
			jc.addKeyListener( _eh );
			jc.addFocusListener( _eh );
		}
	}
	
	super.setProperty( sProperty, oValue );
}
 

public void registerDefaultButton(JComponent comp, JButton button) {
	comp.addFocusListener(new MyListener(button));
}
 

/**
     * 为组件添加焦点监听器（获得/取消焦点时可以自动设置/取消一个彩色的边框效果，以体高UI体验）
     * 、右键菜单监听器（有复制/粘贴等功能）.
     *
     * @param c the c
     */
    public static void addOtherListener(JComponent c)
    {
    	c.addFocusListener(FocusListenerImpl.getInstance());
//    	c.addMouseListener(new NLLookAndFeel.EditMenu());
    }
 

/**
 * Creates a UI for a JPasswordField.
 *
 * @param c the password field
 * @return the UI
 */
public static ComponentUI createUI(JComponent c) 
{
	c.addFocusListener(FocusListenerImpl.getInstance());
    return new BEFormattedTextFieldUI();
}