[OpenLayers-Users] Selecting a feature - does not always work

[Eric Lemoine]

On Nov 22, 2007 1:01 AM, Nick Whitelegg <nick at hogweed.org> wrote:
>
> Hello everyone,
>
> Another problem relating to the 'osmajax' editor
> (http://www.free-map.org.uk/freemap/javascript/osmajax-0.5/index.php - see my
> last post). Selecting a feature does not always work - the feature always
> goes blue but sometimes  the status message at the top does not read "you
> selected a feature with ID xxxx". Tests in my code reveal that the variable
> "selectedFeature" is not always set. My code to respond to a mouse click on a
> feature:
>
>   this.selectUp = function (f)
>     {
>         if(f instanceof OpenLayers.Feature.OSM)
>         {
>             var item = f.osmitem;
>             var msg;
>             if(item.type != 'unknown')
>                 msg = 'You selected a ' + item.type;
>             else
>                 msg = 'You selected an item of unknown type ';
>             if(item.tags['name'])
>                 msg += ' ('+item.tags['name']+')';
>             msg += ' with an ID of ' + item.osmid;
>             self.statusMsg(msg);
>             self.selectedFeature = f;
>         }
>     }
>
> Any ideas what might be wrong here? Using openlayers 2.4.
> The behaviour appears to occur randomly.


Hi Nick,

If your feature goes blue it means that the SelectFeature control did
its job. If you don't get the expected message, I think it means
there's a problem in your code. Could you provide more of your code so
that we can try helping you out?

Cheers,
--
Eric