docs: public CmsContextMenu getContextMenuForItem(Object itemId) {
  
          CmsContextMenu result = null;
          try {
              final Item item = m_container.getItem(itemId);
              Property<?> keyProp = item.getItemProperty(TableProperty.KEY);
              String key = (String)keyProp.getValue();
              if ((null != key) && !key.isEmpty()) {
                  loadAllRemainingLocalizations();
                  final Map<Locale, String> localesWithEntries = new HashMap<Locale, String>();
                  for (Locale l : m_localizations.keySet()) {
                      if (l != m_locale) {
                          String value = m_localizations.get(l).getProperty(key);
                          if ((null != value) && !value.isEmpty()) {
                              localesWithEntries.put(l, value);
                          }
                      }
                  }
                  if (!localesWithEntries.isEmpty()) {
                      result = new CmsContextMenu();
                      ContextMenuItem mainItem = result.addItem(
                          Messages.get().getBundle(UI.getCurrent().getLocale()).key(
                              Messages.GUI_BUNDLE_EDITOR_CONTEXT_COPY_LOCALE_0));
                      for (final Locale l : localesWithEntries.keySet()) {
  
                          ContextMenuItem menuItem = mainItem.addItem(l.getDisplayName(UI.getCurrent().getLocale()));
                          menuItem.addItemClickListener(new ContextMenuItemClickListener() {
  
                              public void contextMenuItemClicked(ContextMenuItemClickEvent event) {
  
                                  item.getItemProperty(TableProperty.TRANSLATION).setValue(localesWithEntries.get(l));
  
                              }
                          });
                      }
                  }
              }
          } catch (Exception e) {
              LOG.error(e.getLocalizedMessage(), e);
              //TODO: Improve
          }
          return result;
      }