[development] The menu - does it have to be different on each page?

[Johan Forngren]

Nedjo Rogers wrote:
>> Couldn't we always render the complete menu and only hide the pieces 
>> we don't want to show through some CSS/JS?
>
> It would be a good performance boost not to have to rerender the menu 
> for every page.
>
> There might be usability benefits too. There have been various 
> attempts to get a fully rendered menu tree for usability purposes, so 
> that we can have expandable tree menus, avoiding the need for frequent 
> page reloads, see e.g. the nice_menus module and my patch to this 
> closed issue http://drupal.org/node/29551, which did some of what 
> might be needed.
>
> Making a single menu work on all pages should be simple enough with 
> css and js. But with just css? We'd need to figure out some trick to 
> get our 'expanded' and 'collapsed' classes to recognized the current 
> location. No brilliant idea comes immediately to mind. Anyone else?
JQuery? ;)