Hi Lars,
you have several options, all depend on your preference:
* Use a globalvar that indicates the selected menu, this will be
present in every element and thus also your menu.
* You have to be aware of the fact that a datalink is only
responsible for bringing the data from an output to the target
element, it doesn't tie the input of the destination element to that
particular datalink. This means that as long as a value with the same
name as your input is present when your embedded element is
processed, the embedded element will get it too.
* You can use embed values. When an embedded element is processed, it
will receive the current content of its value tag and use that to
adapt to the context in which it sits. So using <!--V 'ELEMENT:.ID'--
>menuitem1<!--/V--> will provide "menuitem1" when you call
getEmbedValue() from within the embedded element. You can also use BV
tags and template hierarchies to override this value.
* You can use request attributes. By using getRequestAttribute and
setRequestAttribute, you can freely interchange data in between
elements in the same request. Nothing will live longer than the
request and it doesn't interact with state storage.
* You can implement a well defined API with your embedding elements
and use getEmbeddingElement() to access a method that will for
instance provide the current menu item.
* You can access the embedding element's template with
getEmbeddingTemplate and by simply deciding upon a variable name, you
can easily retrieve it from your embedding element.
That's about it I think.
Best regards,
Geert
On 14 Dec 2005, at 18:45, Lars Grupe wrote:
Hi,
Maybe I want to solve to many things with embedded elements.
I use an embedded element for my main menu. That's fine as long as I
didn't want to highlight the menu item that was selected actually.
I could define an output value that contains the selected menu item.
E.g.:
template.setValue("subsite_url", getExitQueryUrl("home",
new String[]{"mainMenuSelection", "home"}));
But how can the embedded element get the input value, because there is
no flowlink that directs the output to the input of the embedded
element?
Is there another way to have an element (embedded or not) only for a
menu?
Or should I call a function for filling the menu block in the code of
each element that should display the menu?
Cheers,
Lars
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