Hello,
If you are in a tile controller, you don't have to create a new
ComponentDefinition, you can set the attributes of the current tiles (because you
are in the controller).
To add / overload an attribute in the context, do something like :
String attribute = (String)context.getAttribute("attributeName");
attribute = "new value";
context.setAttribute("attributeName", attribute);
To add a list, create the list, add elements, and add the list to context.
You can overload a previously defined list. Do not modify content of an
existing list, because it is shared between inherited instances. :
List list = new java.util.ArrayList();
list.add( "a value" );
list.add( "another value");
context.setAttribute("listAttributeName", list);
Hope this help,
Cedric
P.S. :
The DefinitionsUtil.setActionDefinition( aDefinition ); is to be used when you
are inside a Struts action called by Struts mechanism.
It has not effect when used inside a tile controller
Chris Cool wrote:
> Hi,
>
> I have a tile that reads items from a PutList list and then inserts each
> item into the current page.
>
> <struts_logic:iterate id="item" name="itemList" scope="page"
> type="String">
> <tiles:insert name='<%=item%>' flush="true"/>
> </struts_logic:iterate>
>
> When the items in the list are tiles defined in my tileDefinitions.xml file,
> the tiles are inserted into my JSP correctly. However, I want to dynamically
> create a tile definition and insert it into the page context.
>
> I am generating the ComponentDefinition in my tile controller and accessing
> the "itemList" where I add the name of the dynamically generated definition:
>
> /* get the item list and insert new tile def into it */
> ArrayList itemList = (ArrayList)context.getAttribute("itemList");
> if (itemList != null) {
>
> HashMap map = new HashMap();
> map.put("name", "newtarget");
> map.put("link", "newtarget.do");
>
> ComponentDefinition newItem =
> new ComponentDefinition("new.item",
> "/mytiles/simpleItem.jsp",
> map);
>
> DefinitionsUtil.setActionDefinition( request, breadCrumbItem );
> itemList.add("new.item");
> }
>
> In my tile, the "itemList" contains the "new.item" entry, but it does not
> appear to find the ComponentDefinition I created.
>
> Thanks for you help.
>
> Chris
>
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