Re: [Gwt-openlayers-devl] gwt-openlayers Proxy code

[Edwin C. <com...@gm...>]

Hi Robert,

Great you found that piece of proxy code. I will put the code in and
try to find out who I should attribute or I will include a ref to:
http://trac.openlayers.org/browser/sandbox/august/openlayers/2.8%2B/lib/OpenLayers/Util/openlayers-proxy.jsp

That is the code which I would like to take as a starting point.

The code is very useful and we can slash out the couple of jsp only
lines and start adding functionality so you can add a white list of
servers as in the Python proxy (even though in practice I think there
are more use cases for connecting to arbitrary WFS servers).

Greetings,
Edwin

On 5 February 2010 07:31, Robert Light <rob...@ve...> wrote:
> The proxy code originally came from the openlayers jsp proxy example.  I
> can't be sure...but here is clearly where most of the code started from:
>
> http://trac.openlayers.org/changeset/8099/sandbox?format=diff&new=8099
>
>    - Bob
>
> Edwin Commandeur wrote:
>
> Hi Bob,
>
> I wrongly presumed that Dave added code for the WFS Layer, but it was
> for the WFSProtocol. I found out when making a start on adding a WFS
> example.
>
> It seems to me then that the WFS implementation is yours. Would you
> feel comfortable adding that to the codebase? If so, then I will add
> you as a developer. Alternatively, you can send me the files and I
> will make sure they make it into the codebase promptly.
>
> Coming monday I hope to have a bit of time to see what needs to be
> done to get a new GWT-OL release out shortly and it would be nice if
> the WFS stuff can be in it.
>
> Greetings,
> Edwin
>
>
> On 5 February 2010 01:14, Edwin Commandeur <com...@gm...>
> wrote:
>
>
> Hi Bob,
>
> That's great that you have already have some proxy code. Would you
> mind if I merge that into GWT-OL? It looks just fine for our purposes.
>
> I would really have to dive into the WFS stuff to see what's going on.
>
> I will make it high priority to add a WFS example, so I can try to
> reproduce what's going on. Sorry that I cannot help you on a shorter
> notice.
>
> Greetings,
> Edwin
>
> On 4 February 2010 19:33, Robert Light <rob...@ve...> wrote:
>
>
> To proxy, I just used the servlet (see attached) which worked just fine for
> me.
>
>   - Bob
>
> Edwin Commandeur wrote:
>
> Hi Robert,
>
> The WFS functionality is a recent contribution by Dave, maybe he
> recognizes the problem easily. I still need to get working on a Java
> port of the Open Proxy that is necessary for the WFS functionality and
> that is included in the OpenLayers examples.
>
> How are you running your code? Is the Python Open Proxy implementation up?
>
> The dev list is not publicly visible as far as I am aware, but I have
> cc'd this reply to the devl list.
>
> Greetings,
> Edwin
>
>
> On 4 February 2010 16:54, Robert Light <rob...@ve...> wrote:
>
>
> Edwin,
>
> I think I've found a bug either in openlayers or in gwt-openlayers code.
>
> if I create a WFS layer:
>             WFSParams wfsParams = new WFSParams();
>             wfsParams.setTypename("topp:states");
>             WFSOptions wfsLayerOptions = new WFSOptions();
>             wfsLayerOptions.setTransitionEffect(TransitionEffect.RESIZE);
>             wfsLayerOptions.setExtractAttributes(true);
>
>             WFS wfsLayer = new WFS(
>                     "states",
>                     "http://192.168.1.167:8080/geoserver/wfs",
>                     wfsParams,
>                     wfsLayerOptions);
>
> and then I want to get selection events so I do:
>
>             wfsLayer.addVectorFeatureSelectedListener( new
> VectorFeatureSelectedListener() {
>
>                 public void onFeatureSelected(FeatureSelectedEvent
> eventObject) {
>                     JSONObject map = new
> JSONObject(eventObject.getVectorFeature().getJSObject().getProperty("attributes"));
>                     System.out.println("Feature.id =
> "+eventObject.getVectorFeature().getId());
>                     for( String key : map.keySet()) {
>                         System.out.println(key+"="+map.get(key));
>                     }
>                 }
>             });
>
> This does not work... my VectorFeatureSelectListener never get's called.
>
> To make this work, I had to add the following:
>             SelectFeatureOptions selectFeatureOptions = new
> SelectFeatureOptions();
>             selectFeatureOptions.onSelect( new
> SelectFeature.SelectFeatureListener() {
>
>                 public void onFeatureSelected(VectorFeature vectorFeature) {
>                     JSONObject map = new
> JSONObject(vectorFeature.getJSObject().getProperty("attributes"));
>                     for( String key : map.keySet()) {
>                         System.out.println(key+"="+map.get(key));
>                     }
>                 }
>             });
>
>             SelectFeature selfeature = new SelectFeature(wfsLayer,
> selectFeatureOptions);
>             map.getMap().addControl(selfeature);
>             selfeature.activate();
>
>
> And now BOTH my VectureFeatureSelectListener AND my SelectFeatureListener
> get called when I select a feature.
>
> To put another wrinkle in the puzzle....instead of adding the SelectFeature
> Control as above, I do just the following:
>
>             SelectFeature selfeature = new SelectFeature(wfsLayer);
>             map.getMap().addControl(selfeature);
>             selfeature.activate();
>
> My  VectorFeatureSelectListener does NOT get called.
>
> Any ideas?   Is there a developer's list I should post this query to?
>
> Note, I'm working off the latest set of sources that I downloaded via
> mercurial.
>
> many thanks.
>
>    - Bob Light
>
>
>
>
>
>
>
>