[Seaside] a sidebar which displays another component ?

[Nicolas Petton]

On Thu, Apr 26, 2007 at 10:11:37AM +0100, John Thornborrow wrote:
> Nicolas Petton wrote:
> > Hi,
> >
> > I'm using Seaside to make a web application, with some components :
> > - the main application,
> > - a sidebar,
> > - the 'contents' component.
> >
> > The main application displays the sidebar and the contents.
> > Can the sidebar have methods to change the contents ? I don't know how
> > to do this because they are both subcomponents of the main application.
> >
> > Thanks,
> >
> > Nicolas Petton
> >   
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > Seaside mailing list
> > Seaside at lists.squeakfoundation.org
> > http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
> >   
> I've got exactly the same setup for one of my sites, we have a main menu
> and a submenu. In order to cater for this, I have a registry which I use
> for storing the main content component (amongst other things) and this
> is passed to all components, then I have:
> 
> renderContentOn: html
>     html anchor class: 'menu'; with: [
>        html text: 'Click this link']; callback: [
>           self regsitry at: 'content' put: SomeClass new]
> 
> My root component then uses:
> 
> renderContentOn: html
>     html render: self menu.
>     html render: self submenu.
>     html render: self content
> 
> and of course the #content method:
> 
> content
>     ^(self registry at: 'content' ifNil: [DefaultContent new])
> 
> HTH,
> John
> 
> www.pinesoft.co.uk

Thank you for your answers !

I think about another solution, maybe easier.
In the main component, in the initialize method :

sidebar := (Sidebar new) rootComponent: self.

In the Sidebar class, I've got a rootComponent method :

rootComponent: aComponent
    rootComponent := aComponent

So the sidebar knows its parent.
Is it ugly code ?


Nicolas Petton
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