[OSM-dev] [OSM-talk] OSM home page map with permlink or
tom at compton.nu
Sun Oct 21 12:24:58 BST 2007
In message <471B355C.3020403 at frankieandshadow.com>
David Earl <david at frankieandshadow.com> wrote:
> On 20/10/2007 23:55, Tom Hughes wrote:
> > In message <4719DDD3.6030909 at frankieandshadow.com>
> > David Earl <david at frankieandshadow.com> wrote:
> >> As previous conversations have discussed at length, the URL should
> >> reflect changes as you pan/zoom etc. This requires the use of psuedo
> >> named anchors and iframes instead of a query portion of the URL. There's
> >> lots of information out there on the internet on how to achieve this.
> > It's very non-trivial though because rails doesn't know how to parse
> > the arguments from such URLs, so you're either going to have to wait
> > for me to have time or somebody is going to have to step up to the
> > plate and do the work.
> If I understand what's needed correctly, the URL handling is all done
> things in its history list and so on; the JS decomposes the bit after
> the # and makes a request on the server for the state it represents, in
> whatever form is convenient for the server.
You misunderstand entirely I'm afraid - the parsing is largely done
code. So you get things like this in the template on the server:
var lat = params[:lat]
which is taking a valud from the params array filled in by rails when
it parsed the request URL.
Tom Hughes (tom at compton.nu)
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