[Seaside] Iterations

[Avi Bryant]

On Mon, 17 Jun 2002, Markus Fritsche wrote:

>     <table><tr sea:id="each/categories"><wbcategory
> sea:id="each"></wbcategory></tr><table>
>
> "categories is a collection of WBCategory s"

Ok, I think this is where you're going wrong.  WBCategory is a subclass of
IAComponent, right?  You don't want to iterate over a list of components;
instead, you want to iterate over data.  If 'categories' were a list of
category names, you could do something like

html
^'...
<table><tr sea:id="each/categories">
<page sea:id="category"></page>
</tr></table>
'

addBindingsTo: template
  (template elementNamed: 'category')
     class: WBCategory;
     set: #name toPath: 'each'

Does that make any sense?  Rather than having multiple WBCategory
components, you just have one - but you display it repeatedly, binding
its 'name' to a different value each time.

Generally, if you're manually creating and managing subcomponent objects,
you're doing something wrong (or at least, something unusual).

If I'm misunderstanding your questions, let me know.

Cheers,
Avi