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Re: [Gwt-openlayers-users] MapClickListener support
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From: Jon B. <jon...@go...> - 2010-11-25 12:00:41
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Oh, sorry, didn't notice you told me to checkout my own version. On 25 November 2010 11:03, Jon Britton <jon...@go...> wrote: > Hi Lukas, thanks for the help. Could you please tell me where I can get > the latest GWT-OpenLayers build? I can't seem to find it. > > Cheers, > > Jon > > > On 24 November 2010 16:01, Lukas Johansson <luk...@de...>wrote: > >> I’ve commited a version that make the control a more complete and which >> uses the drilldown parameter introduced in OL 2.9[1] which can be used to >> access multiple servers. >> >> In october we realized that my patch hadn’t been commited so this was >> taken care of, however I do not think that its in the current stable build. >> Instead you need to checkout your own version. >> >> >> >> [1] >> http://dev.openlayers.org/releases/OpenLayers-2.9.1/doc/apidocs/files/OpenLayers/Control/WMSGetFeatureInfo-js.html#OpenLayers.Control.WMSGetFeatureInfo.drillDown >> >> >> >> You add the controller to the map, if you do not use drilldown only to top >> layer is queried. Most settings are set in WmsGetFeatureInfoOptions and not >> on the control itself. >> >> >> >> Usage is something along this path (copied from our working code, but you >> get the idea): >> >> WMSGetFeatureInfoOptions options = new WMSGetFeatureInfoOptions(); >> >> options.setLayers(arrayOfLayersToQuery)); >> //allows you to tell what layers that should >> be queried >> >> options.setDrillDown(true); >> >> options.setQueryVisible(true); >> >> options.setInfoFormat("application/vnd.ogc.gml"); >> //return result as gml >> >> >> >> >> >> >> >> wmsSelectControl = new WMSGetFeatureInfo(options); >> >> wmsSelectControl.addGetFeatureListener(new >> GetFeatureInfoListener(){ >> >> public void onGetFeatureInfo(GetFeatureInfoEvent eventObject) { >> >> VectorFeature[] features = eventObject.getFeatures(); >> >> >> String html = "foo"; >> >> FrameCloud popup = new FramedCloud("MapFeaturePopup", >> features[0].getCenterLonLat(), new Size(300, 400), html); >> >> } >> >> } >> >> map.addControl(wmsSelectControl); >> >> >> >> /Lukas >> >> >> >> *Från:* man...@go... [mailto: >> man...@go...] *För *Jon Britton >> *Skickat:* den 24 november 2010 16:42 >> *Till:* Lukas Johansson >> *Kopia:* gwt-openlayers-users >> *Ämne:* Re: [Gwt-openlayers-users] MapClickListener support >> >> >> >> Hi Lukas, >> >> >> >> You haven't misunderstood, I wasn't aware there was a map control for >> this. My client application is for displaying many WMS layers, possibly >> from different servers. The user can add/remove WMS layers as they see fit >> by using their own WMS URLs. What I want to do is display the feature info >> for every layer currently visible on my map, but I'm struggling to figure >> out how WMSGetFeatureInfo can be used for this as each control corresponds >> to only one WMS URL. Would I need to make a new control for each map layer? >> >> >> >> Another problem is that the GWT-Openlayers WMGetFeatureInfo control seems >> to be incomplete as I can't access many of it's properties directly (such as >> url, title, layers...). >> >> >> >> Thanks, >> >> >> >> Jon >> >> >> >> On 24 November 2010 15:37, Lukas Johansson <luk...@de...> >> wrote: >> >> You want the x/y of the mouseclick in order to construct a >> WMSGetFeautureInfo? Why not use the existing WMSGetFeatureInfo control to >> begin with? This will handle the events, the request to the server and you >> can get it to produce a parsable result in GML from witch you can create >> features. >> >> >> >> Or have I misunderstood your usecase? >> >> /Lukas >> >> >> >> >> >> *Från:* Jon Britton [mailto:jon...@go...] >> *Skickat:* den 24 november 2010 15:20 >> *Till:* gwt-openlayers-users >> *Ämne:* [Gwt-openlayers-users] MapClickListener support >> >> >> >> Hi >> >> >> >> I'm trying to register a MapClickListener so that I can generate a >> GetFeatureInfo request using the mouse x and y coordinates. Here is what >> I've got so far: >> >> >> >> mw.getMap().getListeners().add(new MapClickListener() { >> >> @Override >> >> public void onClick(MapClickEvent e) { >> >> SC.say("Map click at " + e.getLonLat()); >> >> } >> >> }); >> >> >> >> However, getListeners() isn't supported as far as I can tell (I get an >> UnsupportedOperationException on the first line above). Are there any plans >> to implement this soon? Alternatively, is there any other way to access the >> map coordinates of the mouse cursor? >> >> >> >> Thanks, >> >> >> >> Jon >> >> >> >> ------------------------------------------------------------------------------ >> Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! >> Tap into the largest installed PC base & get more eyes on your game by >> optimizing for Intel(R) Graphics Technology. Get started today with the >> Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. >> http://p.sf.net/sfu/intelisp-dev2dev >> _______________________________________________ >> Gwt-openlayers-users mailing list >> Gwt...@li... >> https://lists.sourceforge.net/lists/listinfo/gwt-openlayers-users >> >> >> >> >> ------------------------------------------------------------------------------ >> Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! >> Tap into the largest installed PC base & get more eyes on your game by >> optimizing for Intel(R) Graphics Technology. Get started today with the >> Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. >> http://p.sf.net/sfu/intelisp-dev2dev >> _______________________________________________ >> Gwt-openlayers-users mailing list >> Gwt...@li... >> https://lists.sourceforge.net/lists/listinfo/gwt-openlayers-users >> >> > |
