[OpenLayers-Dev] what is a control?

[Eric Lemoine]

On 6/10/07, Christopher Schmidt <crschmidt at metacarta.com> wrote:
> On Sun, Jun 10, 2007 at 09:21:16PM +0200, Eric Lemoine wrote:
> > Hello
> >
> > I have a design question: what exactly is a control in openlayers?
> > What's the concept behind it? How would you define a control?
> >
> > Personally I'd define a control as anything that changes the map
> > behavior. I know this is quite a broad definition, but I feel the
> > current set of controls covers lots of different things. Do you share
> > my view of controls?
>
> I believe that's how we designated it, though I think we actually went
> with 'interacts with the map', since controls also (for example) display
> the mouse position or the scale.
>
> So yes, things which interact with the map are controls.
>
> Handlers, on the other hand, interact only with events for the most
> part, and pass events up to controls to interact with the map.

Thanks for the clarification Christopher.


-- 
Eric