On Oct 27, 2009, at 2:20 PM, beachbc wrote:
> Thanks Matt, I appreciate the reply!
>
> After reviewing the Default Parameter section of the DRYML manual, I
> don't understand why I wouldn't HAVE to put param="default", however,
> even with all of them removed, the nav section renders perfectly
> fine. I suppose knowing how Rapid processes the nav section (or any
> other section) would help. It just seems to me to be a giant magic
> black box; abracadabra.. *poof* you've got ajax, and the two ton
> elephant just disappeared.
Yeah, that feeling doesn't go away. :) Part of the joy of doing stuff
in Hobo.
param="default" is needed when you're looking to use a tag with
content inside of it; for instance, I've got a polymorphic main-nav in
an app I'm working on:
<def tag="main-nav" attrs="current" polymorphic>
<ul id="MainTabs">
<set-scoped current-navigation="¤t">
<nav-tab name="home" href="/">Home</nav-tab>
<do param="default" />
</set-scoped>
</ul>
</def>
(the details aren't important here - note the empty <do> block with
param="default")
Then a particular class of user's nav will look like this:
<def tag="main-nav" for="Guest">
<main-nav merge>
<nav-tab name="services" href="/">Services</nav-tab>
<nav-tab name="rates" href="/">Rates</nav-tab>
<nav-tab name="register" href="/">Register</nav-tab>
<nav-tab name="contact" href="/">Contact</nav-tab>
</main-nav>
</def>
Note that the content inside the <main-nav> call here is inserted
where the <do param="default" /> tag was in the base tag.
This allows the base main-nav tag to define tabs that should appear on
everybody's nav, and leaves a space to be filled in.
(Note to Owen: yes, a tutorial on this will be forthcoming, hopefully
in the next week or so. :)
--Matt Jones
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