More complete, each widget binds to that remove-event to call its
destroy-method. Though due to the event-handling overhead involved, we
explored other approaches
Jörn
On Mon, Dec 14, 2009 at 6:42 PM, John Resig <jere...@gmail.com> wrote:
> jQuery UI does a similar thing (overriding .remove() to generate a
> .trigger("remove") event). Would something like that work for your
> needs?
>
> --John
>
>
>
> On Mon, Dec 14, 2009 at 11:43 AM, Justin Meyer <justinbme...@gmail.com>
> wrote:
> > Is there a 'teardown' for plugins that can get triggered automatically
> > (similar to that for events)?
> >
> > It's extremely common, and a source of bugs when I see:
> >
> > $.fn.mySuperPlugin = function(){
> > ...code ...
> > $(document).click(function(e) { ...code... });
> > ...code...
> > }
> >
> > Yes, they should be doing adding/removing this event listener every
> > time their widget 'comes to life'. But there are cases where even
> > this doesn't work.
> >
> > I think I remember John talking about this when we were discussing
> > "jQuery Enterprise". It was something like:
> >
> > $.fn.extend("pluginName",{
> > setup: function( ...),
> > teardown: function( ...)
> > })
> >
> > In JMVC, I've hacked .remove() to enable plugins to write 'teardown'
> > functionality. For jQuery, when you use the fn.extend function, it
> > will wrap setup with something that would add teardown to something
> > like:
> >
> > $(el).data("plugins")["pluginName"] = teardown.
> >
> >
> > When remove() is called, it will get all the plugins on the current
> > element, and call their teardown code.
> >
> > Someone would also be able to remove a single plugin like:
> >
> > $(el).data("plugins")["pluginName"]()
> >
> >
> > Ugly, but the case where you want to remove just one plugin is rare.
> >
> > Thoughts?
> >
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