[Seaside-dev] How to ensure a script appears only once on page?

[James Foster]

Sorry, this probably should have gone to the Seaside list, not the  
Seaside-dev list!

On Mar 18, 2008, at 7:33 PM, James Foster wrote:

> I'm looking at some of the YUI components, specifically the calendar  
> widget, and am struggling with how to create a script. As I  
> understand the YUI library, I am supposed to create a Javascript  
> that references each of the calendar widgets on my page. The script  
> has the general format of (begin, middle, end), where the middle has  
> a variable amount of code but the begin and end are fixed. My  
> problem is that I might have calendar widgets on various components,  
> and the components should not each add the script, because then  
> there would be multiple begins and ends.
>
> Now, there might be a work-around for the YUI calendar situation,  
> but I have a more general question: Is there some way to hook in to  
> the beginning or end of a render process? I've come up with a crude  
> approach where each component notifies the session at the beginning  
> and end of a render and the session keeps track of the first in and  
> then lets it know when it is the last out. Are there any other good  
> ideas?
>
> James
> _______________________________________________
> seaside-dev mailing list
> seaside-dev at lists.squeakfoundation.org
> http://lists.squeakfoundation.org/mailman/listinfo/seaside-dev
>