fAddMenu = new Menu(getShell(), SWT.POP_UP);
fAddMenu.addMenuListener(new MenuListener() {
public void menuShown(MenuEvent e) {
MenuItem[] items = fAddMenu.getItems();
for (MenuItem item : items) {
item.dispose();
}
/* Fill not yet visible Items */
int[] toolbarItemIds = fPreferences.getIntegers(DefaultPreferences.TOOLBAR_ITEMS);
List<CoolBarItem> visibleItems = new ArrayList<CoolBarItem>();