[OpenLayers-Users] loadstart and loadend event not triggering

[Andreas Hocevar]

On Tue, Dec 13, 2011 at 10:38 AM, Mohammed Rashad <
mohammedrashadkm at gmail.com> wrote:

> i didnt use any strategy my code is below


This explains why you don't get these events. What loading are you
expecting to get notified of when you don't have a strategy that loads
anything?

Both Strategy.Fixed and Strategy.BBOX fire loadstart and loadend events on
their layer.

Andreas.


>
>
>
> function loadStartListener(event)
>  {
>
>  alert(0); //not reaching here
>  }
>
> >> >> vectors = new OpenLayers.Layer.Vector(layername_ );****
>  map.addLayer(vectors);****
> vectors.events.register("loadstart", '', loadStartListener);****
> On Tue, Dec 13, 2011 at 2:47 PM, Bart van den Eijnden (OSGIS) <
> bartvde at osgis.nl> wrote:
>
>> And which Strategy are you using?
>>
>> Bart
>>
>> > openlayers trunk version
>> >
>> > On Tue, Dec 13, 2011 at 1:43 PM, Bart van den Eijnden (OSGIS) <
>> > bartvde at osgis.nl> wrote:
>> >
>> >> Since for vector layers strategies retrieve the data, the strategies
>> >> should be responsible for firing loadstart and loadend on the layer.
>> >>
>> >> The Fixed and the BBOX Strategy already do this.
>> >>
>> >> What version of OpenLayers are you using?
>> >>
>> >> Bart
>> >>
>> >> > On Tue, Dec 13, 2011 at 1:21 PM, Dominik Mikiewicz
>> >> > <dominikmikiewicz at o2.pl>wrote:
>> >> >
>> >> >> You can easilly extend vector layer class to make it fire events as
>> >> >> needed.
>> >> >> ****
>> >> >>
>> >> >> **
>> >> >>
>> >> > how to do this?
>> >> > extenting vector layer class to fire events
>> >> >
>> >> > please tell me. I dont have much knowlege in it
>> >> >
>> >> >> **
>> >> >>
>> >> >> *From:* openlayers-users-bounces at lists.osgeo.org [mailto:
>> >> >> openlayers-users-bounces at lists.osgeo.org] *On Behalf Of *Mohammed
>> >> Rashad
>> >> >> *Sent:* Tuesday, December 13, 2011 6:23 AM
>> >> >> *To:* openlayers-users at lists.osgeo.org
>> >> >> *Subject:* [OpenLayers-Users] loadstart and loadend event not
>> >> >> triggering**
>> >> >> **
>> >> >>
>> >> >> ** **
>> >> >>
>> >> >> All,****
>> >> >>
>> >> >> openlayers loadstart and loadend event not triggering****
>> >> >>
>> >> >> I register the event to OpenLayers.Layer.Vector****
>> >> >>
>> >> >> ** **
>> >> >>
>> >> >> What I am missing??****
>> >> >>
>> >> >> ** **
>> >> >>
>> >> >> Here is my code****
>> >> >>
>> >> >> function loadStartListener(event)****
>> >> >>
>> >> >> {****
>> >> >>
>> >> >> alert(0); //not reaching here****
>> >> >>
>> >> >> ** **
>> >> >>
>> >> >> }****
>> >> >>
>> >> >> ** **
>> >> >>
>> >> >> ** **
>> >> >>
>> >> >> vectors = new OpenLayers.Layer.Vector(layername_ );****
>> >> >>
>> >> >> map.addLayer(vectors);****
>> >> >>
>> >> >> vectors.events.register("loadstart", '', loadStartListener);****
>> >> >>
>> >> >> ** **
>> >> >>
>> >> >> -- ****
>> >> >>
>> >> >> Regards****
>> >> >>
>> >> >> ** **
>> >> >>
>> >> >
>> >> >
>> >> >
>> >> > --
>> >> > Regards,
>> >> > _______________________________________________
>> >> > Users mailing list
>> >> > Users at lists.osgeo.org
>> >> > http://lists.osgeo.org/mailman/listinfo/openlayers-users
>> >> >
>> >>
>> >>
>> >>
>> >
>> >
>> > --
>> > Regards,
>> >
>>
>>
>>
>
>
> --
> Regards,
>
>
>
> _______________________________________________
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> Users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/openlayers-users
>
>


-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.
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