code: public String getListItemClass(MenuEntry activeMenu, MenuEntry actualEntry) {
  		if (LOGGER.isTraceEnabled())LOGGER.trace("[getListItemClass]" + actualEntry);
  		StringBuilder sb = new StringBuilder();
  		if (!CollectionUtils.isEmpty(actualEntry.getSubmenu()))
  			sb.append(CSS_TREEVIEW);
  		if (isActiveInMenuTree(activeMenu, actualEntry))
  			sb.append(CSS_ACTIVE);
  		return sb.toString().trim();
  	}
docs: checks {@link #isActiveInMenuTree(String, MenuEntry)} and if the
  actualEntry has sub entries and returns the html class name
  
  @param activeMenuName
  name of the active MenuEntry (set in controller)
  @param actualEntry
  current iterated object
  @return empty string, "active", "treeview", "treeview active"