[Seaside] How to do the ubiquitous home button?

[tblanchard at mac.com]

I decided to stick whatever I want to call home in the session and have 
goHome in session do the clearDelegate.
Works nice!
Thanks.


On Friday, August 8, 2003, at 02:27  PM, Avi Bryant wrote:

>
> On Fri, 8 Aug 2003 tblanchard at mac.com wrote:
>
>> I've got a page that wants to have a link on every page back to home.
>> The app has the concept of logging in which provides access to certain
>> features but other features don't require logging in.  If I didn't 
>> have
>> to track the that user had logged in I'd just use a raw url and let
>> them get another session.  But I have to keep track of who is logged 
>> in
>> (if anyone).
>>
>> The better behavior would be to backtrack until the page is the home
>> page (ie - recover to the last home page view).
>>
>> Suggestions for a general solution?  (I could do custom implementation
>> of this button on each page but I'd rather not).
>
> - Create a frame component, and set it as your entry point.  This 
> should
> have a 'contents' ivar which holds the home component.  Its
> #renderContentOn: should look, minimally, like
>
> renderContentOn: html
>   html anchorOn: #home of: self.
>   html render: contents
>
> - Add a #home method which looks like this:
>
> home
>   contents clearDelegate
>
> This will clear away the #call: chain and snap you back to the original
> component.
>
> That make any sense?
>
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