javax.swing.JComponent#addKeyListener ( )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);
}
 

/**
 * Creates a new ComboBoxCellEditor.
 * @param comboBox the comboBox that should be used as the cell editor.
 */
public ComboBoxCellEditor(final JComboBox comboBox) {
    this.comboBox = comboBox;
    
    handler = new Handler();
    
    // Don't do this:
    // this.comboBox.putClientProperty("JComboBox.isTableCellEditor", Boolean.TRUE);
    // it probably breaks various things
    
    // hitting enter in the combo box should stop cellediting
    JComponent editorComponent = (JComponent) comboBox.getEditor().getEditorComponent();
    editorComponent.addKeyListener(handler);
    // remove the editor's border - the cell itself already has one
    editorComponent.setBorder(null);

    // editor component might change (e.g. a look&feel change)
    // the new editor component needs to be modified then (keyListener, border)
    comboBox.addPropertyChangeListener(handler);
}
 

@Override
public void installUI(JComponent c) {
	super.installUI(c);
	c.addKeyListener(keyListener);
	c.addMouseListener(mouseListener);
	layout.addPropertyChangeListener(layoutListener);
}
 

private static void addFocusArrowListener(JComponent jc) {
	/**
	 * Check to see if someone already added this kind of listener:
	 */
	KeyListener[] listeners = jc.getKeyListeners();
	for (int a = 0; a < listeners.length; a++) {
		if (listeners[a] instanceof FocusArrowListener)
			return;
	}
	// Add our own:
	jc.addKeyListener(new FocusArrowListener());
}
 

@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 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 propertyChange(PropertyChangeEvent e) {
    if (e.getPropertyName().equals("editor")) {
        ComboBoxEditor editor = comboBox.getEditor();
        if (editor!=null && editor.getEditorComponent()!=null) {
            JComponent editorComponent = (JComponent) comboBox.getEditor().getEditorComponent();
            editorComponent.addKeyListener(this);
            editorComponent.setBorder(null);
        }
    }
}
 

private void addField(String label, JComponent comp, String variable) {
    if (!(comp instanceof JCheckBox)) {
        this.add(new JLabel(label), new GridBagConstraints(0, row, 1, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(5, 5, 5, 5), 0, 0));
    }
    if (comp instanceof JTextArea) {
        this.add(new JScrollPane(comp), new GridBagConstraints(1, row, 1, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(5, 5, 5, 5), 100, 50));
    }
    else if (comp instanceof JCheckBox) {
        this.add(comp, new GridBagConstraints(0, row, 1, 1, 0.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(5, 5, 5, 5), 0, 0));
    }
    else if (comp instanceof CheckBoxList) {
        this.add(comp, new GridBagConstraints(1, row, 1, 1, 0.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(5, 5, 5, 5), 0, 50));
    }
    else {
        this.add(comp, new GridBagConstraints(1, row, 1, 1, 1.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(5, 5, 5, 5), 0, 0));

    }
    valueMap.put(variable, comp);
    row++;

    comp.addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent e) {
            if(e.getKeyChar() == KeyEvent.VK_ENTER){
                if(listener != null){
                    listener.enterPressed();
                }
            }
        }
    });
}
 

@Override
public void installUI(JComponent c) {
	super.installUI(c);
	c.setFocusable(true);
	c.addKeyListener(keyListener);
}
 

protected void addBag(JComponent comp, GridBagLayout gridbag,
        GridBagConstraints c) {
    gridbag.setConstraints(comp, c);
    add(comp);
    comp.addKeyListener(this);
}