Hi, I am trying to create a custom component that will create a menu and
submenus to that menu on a completly dynamic web page. The entire site are
build up with "components" and I get the entire structure from the database.
In the web layer I have a Object called SiteDTO that looks like this:
/* PRIVATE MEMBERS */
private List<RegionDTO> regionDTOList = new ArrayList<RegionDTO>();
private List<Long> menuIdList = new ArrayList<Long>();
private Map<Long, MenuItem> menuItemMap = new HashMap<Long, MenuItem>();
private Map<Long, MenuDTO> menuDTOMap = new HashMap<Long, MenuDTO>();
private Map<Long, Article> articleMap = new HashMap<Long, Article>();
private Map<Long, ArticleListDTO> articleListDTOMap = new HashMap<Long,
ArticleListDTO>();
private Map<Long, Portlet> portletMap = new HashMap<Long, Portlet>();
all have getters and setters. My menuIdList contains the id value that is
the key in my menuDTOMap.
my MenuDTO.java is much simpler and looks like this
/* PRIVATE MEMBERS */
private Menu menu;
private List<Long> menuItemIdList = new ArrayList<Long>();
each menuDTO have a menuItemIdList containing the id that is the key value
in SiteDTO.menuItemMap.
I need to iterate through the first menuIdList and for each menuId pull the
MenuDTO from MenuDTOMap. For each menuDTO I need to take the menuItemList
and iterate over that list to pull the MenuItem object that I need to
desplay in the html page along with the corresponding menu object.
How do I solve this the best way? I am thinking of creating a custom
component for this but I am kind of new to Tapestry and I could really need
some good pointers. Should I try to iterate through this structure in the
page file or shall I do it in my component.java file? Is there any pros and
cons for the different approach?
Thanks
Jacob
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