It makes a fair bit of sense.. I've heard a lot of good things about
jquery. If you could post the view later I think I'll be off and
running. Thank you for the help with this. I find the difficulty
with web coding is beginnings... I think that I'm getting a good idea
on how to proceed.
On Sep 15, 9:52 am, David Christiansen <[EMAIL PROTECTED]> wrote:
> Here's what my code looks like to get information from the server to
> display on the map:
>
> function update_locations () {
> bounds = map.getBounds();
> sw = bounds.getSouthWest();
> ne = bounds.getNorthEast();
> $.getJSON('/locations/locations/',
> {'lat1':sw.lat(), 'long1':sw.lng(),
> 'lat2':sw.lat(), 'long2':ne.lng(),
> 'lat3':ne.lat(), 'long3':ne.lng(),
> 'lat4':ne.lat(), 'long4':sw.lng()},
> function(data, textStatus){
> $.each(data, function() {
> //Check if currently in set, add if not
> if (markerSet["key"+this.id]) {}
> else {
> latlng = new GLatLng(this.latitude,
> this.longitude);
> marker = new GMarker(latlng,
> {'title':this.name});
> marker.bindInfoWindowHtml("<iframe src=\"/
> locations/info/"+this.id+"/\"></iframe>");
> markerSet["key"+this.id] = marker;
> markerManager.addMarker(marker, 10);
> }
> });
> }
> );
>
> }
>
> In my onload event handler for the page, I have this:
>
> GEvent.addListener(map, 'moveend', update_locations);
>
> I don't have access to the Django view that responds to the request
> right now, but I could post it later if it would be helpful. It
> basically just creates a polygon from the lat/long GET parameters and
> then does a GeoDjango query for the points inside that polygon. It
> then iterates over them and constructs a JSON-encoded list of
> JavaScript objects, which it puts into the HTTPResponse.
>
> The code uses JQuery, which I've found really helpful in reducing the
> pain of Javascript. That's what all the funny $ variables are. Does
> this make sense?
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