How to use

addItemListener

method

in

javax.swing.JCheckBoxMenuItem

/**
 * Adds a CheckboxMenuItem to a menu.
 * 
 * @param menu The Menu to which the item is added
 * @param key The key this item is associated with (the setting)
 * @param label The text of the item
 * @return The created MenuItem
 */
public final JMenuItem addCheckboxItem(JMenu menu, String key, String label) {
  JCheckBoxMenuItem item = new JCheckBoxMenuItem(label);
  menuItems.put(key, item);
  item.setActionCommand(key);
  menu.add(item);
  item.addItemListener(itemListener);
  return item;
}

public JMenuItem getPopupMenuItem(JTextComponent target) {
  
  item = new JCheckBoxMenuItem(LocaleSupport.getString("line-numbers-menuitem"), isLineNumbersVisible());
  item.addItemListener( new ItemListener() {
    public void itemStateChanged(ItemEvent e) {
      actionPerformed(null,null);
    }
  });
  return item;
}

public JMenu createTransformMenu() {
  final JMenu transform = new JMenu("Transformation");
  lock = new JCheckBoxMenuItem("Lock");
  lock.addItemListener(this);
  transform.add(lock);
  setTransform = new JMenuItem("Set Transform");
  setTransform.addActionListener(this);
  transform.add(setTransform);
  resetTransform = new JMenuItem("Reset Transform");
  resetTransform.addActionListener(this);
  transform.add(resetTransform);
  applyTransform = new JMenuItem("Apply Transform");
  applyTransform.addActionListener(this);
  transform.add(applyTransform);
  saveTransform = new JMenuItem("Save Transform");
  saveTransform.addActionListener(this);
  transform.add(saveTransform);
  transform.addSeparator();
  exportTransformed = new JMenuItem("Export transformed image");
  exportTransformed.addActionListener(this);
  transform.add(exportTransformed);
  return transform;
}

private JMenu createLandmarkMenu() {
  final JMenu pl = new JMenu("Landmarks");
  pl_load = new JMenuItem("Load Point List");
  pl_load.addActionListener(this);
  pl.add(pl_load);
  pl_save = new JMenuItem("Save Point List");
  pl_save.addActionListener(this);
  pl.add(pl_save);
  pl_show = new JCheckBoxMenuItem("Show Point List");
  pl_show.addItemListener(this);
  pl.add(pl_show);
  pl.addSeparator();
  pl_size = new JMenuItem("Point size");
  pl_size.addActionListener(this);
  pl.add(pl_size);
  pl_color = new JMenuItem("Point color");
  pl_color.addActionListener(this);
  pl.add(pl_color);
  pl.addSeparator();
  regist = new JMenuItem("Register");
  regist.addActionListener(this);
  pl.add(regist);
  return pl;
}

public JMenuItem getPopupMenuItem(JTextComponent target) {
  if (item != null) {
    return item;
  }
  item = new JCheckBoxMenuItem(LocaleSupport.getString("line-numbers-menuitem"), isLineNumbersVisible());
  item.addItemListener(new ItemListener() {
    public void itemStateChanged(ItemEvent e) {
      actionPerformed(null, null);
    }
  });
  return item;
}

@Override
public void contentAdded(final Content c) {
  updateMenus();
  if (c == null) return;
  final String name = c.getName();
  final JCheckBoxMenuItem item = new JCheckBoxMenuItem(name);
  item.addItemListener(new ItemListener() {
    @Override
    public void itemStateChanged(final ItemEvent e) {
      if (item.getState()) executer.select(name);
      else executer.select(null);
    }
  });
  selectMenu.add(item);
}

private JMenu tracingMenu() {
  final JMenu tracingMenu = new JMenu("Tracing");
  autoActivationMenuItem = new JCheckBoxMenuItem("Activate Canvas on Mouse Hovering",
      plugin.autoCanvasActivation);
  autoActivationMenuItem.addItemListener(this);
  tracingMenu.add(autoActivationMenuItem);
  tracingMenu.addSeparator();
  drawDiametersXYMenuItem = new JCheckBoxMenuItem("Draw Diameters in XY View", plugin.getDrawDiametersXY());
  drawDiametersXYMenuItem.addItemListener(this);
  tracingMenu.add(drawDiametersXYMenuItem);
  final String opacityLabel = "Show MIP Overlay(s) at " + SimpleNeuriteTracer.OVERLAY_OPACITY_PERCENT
      + "% Opacity";
  mipOverlayMenuItem = new JCheckBoxMenuItem(opacityLabel);
  mipOverlayMenuItem.setEnabled(!plugin.singleSlice);
  mipOverlayMenuItem.addItemListener(this);
  tracingMenu.add(mipOverlayMenuItem);
  tracingMenu.addSeparator();
  final JMenuItem optionsMenuItem = new JMenuItem("Options...");
  optionsMenuItem.addActionListener(new ActionListener() {
    @Override
    public void actionPerformed(final ActionEvent e) {
      prefs.promptForOptions();
    }
  });
  tracingMenu.add(optionsMenuItem);
  return tracingMenu;
}

private JCheckBoxMenuItem getMenuViewImage() {
  if (menuViewImage == null) {
    menuViewImage = new JCheckBoxMenuItem();
    menuViewImage.setText(Constant.messages.getString("menu.view.enableImage"));	// ZAP: i18n
    menuViewImage.addItemListener(new java.awt.event.ItemListener() { 
      @Override
      public void itemStateChanged(java.awt.event.ItemEvent e) {    
        getModel().getOptionsParam().getViewParam().setProcessImages(getMenuViewImage().getState() ? 1 : 0);					
      }
    });
  }
  return menuViewImage;
}

shaded.addItemListener(this);
popup.add(shaded);
saturated.addItemListener(this);
popup.add(saturated);

show.addItemListener(this);
edit.add(show);
coordinateSystem.addItemListener(this);
edit.add(coordinateSystem);
boundingBox.addItemListener(this);
edit.add(boundingBox);
allCoordinateSystems.addItemListener(this);
edit.add(allCoordinateSystems);

filetypes = new HashMap();
JCheckBoxMenuItem all = new JCheckBoxMenuItem();
all.addItemListener(new ItemListener()

matchCase.addItemListener(iListener);
pm.add(matchCase);
pm.addSeparator();
      cName,
      !qss.getColumnsIgnoredToSearch().contains(cName));
  cMenu.addItemListener(iListener);
  pm.add(cMenu);

ff.addItemListener(new ItemListener()

mGoogle.addActionListener (this);
mExit.addActionListener (this);
mStatusVisible.addItemListener (this);
mHistoryVisible.addItemListener (this);
mReset.addActionListener (this);
mClear.addActionListener (this);

chk.addItemListener(action);
super.addItem(chk);

  launcher.launch(profile);
item.addItemListener(t -> {
  if (t.getStateChange() == ItemEvent.SELECTED) {
    launcher.stop();

 final JCheckBoxMenuItem visItem = new JCheckBoxMenuItem(toggle.getMenuName(), toggle.active());
 visItem.setEnabled(toggle.enabled());
 visItem.addItemListener(new ItemListener() {
  @Override
  public void itemStateChanged(ItemEvent e) {
if(!istool) {
 final JCheckBoxMenuItem visItem = new JCheckBoxMenuItem(name, enabled);
 visItem.addItemListener(new ItemListener() {
  @Override
  public void itemStateChanged(ItemEvent e) {

 final JCheckBoxMenuItem visItem = new JCheckBoxMenuItem(toggle.getMenuName(), toggle.active());
 visItem.setEnabled(toggle.enabled());
 visItem.addItemListener(new ItemListener() {
  @Override
  public void itemStateChanged(ItemEvent e) {
if(!istool) {
 final JCheckBoxMenuItem visItem = new JCheckBoxMenuItem(name, enabled);
 visItem.addItemListener(new ItemListener() {
  @Override
  public void itemStateChanged(ItemEvent e) {

  chk.setSelected(true);
chk.addItemListener(action);
super.addItem(chk);

selectionModeMenu.addItemListener( listener );
pageModel.addPropertyChangeListener(new PropertyChangeListener() {
  @Override