You arrived at the same solution I did; please commit :-)
--
Jody Garnett
On Thursday, 5 May 2011 at 12:02 AM, Michael Bedward wrote:
> Adding the event to FeatureLayer.setStyle seems to allow the
> SelectionLab app to work with the new JMapPane code:
> http://jira.codehaus.org/browse/GEOT-3562
>
> Michael
>
> On 4 May 2011 23:32, Michael Bedward <[email protected]> wrote:
> > Thanks jody, that gets me further.
> >
> > Now comes the tricky bit. The current SelectionLab example implicitly
> > relies on the do-everything nature of JMapPane.paintComponent.
> >
> > In my local "improved" JMapPane the paintComponent method's only job
> > is to blit the backing image to the pane. The actual map drawing has
> > been moved into a separate method and the map pane relies on events
> > from its MapContext to know when that needs updating.
> >
> > For this to work I need FeatureLayer.setStyle to publish an event.
> >
> > Michael
> >
> > PS. Perhaps I should commit the GEOT-3560 changes to trunk so we are
> > both looking at the same code ?
> >
> > On 4 May 2011 22:23, Jody Garnett <[email protected]> wrote:
> > > Reading ...
> > >
> > > I'm trying to work out whether updating the example will make it work
> > > with the changed JMapPane code, but I'm a bit lost in the new Layer
> > > code.
> > >
> > > Okay - my goal was to make it exactly the same (but this time with a set
> > > class for each kind of layer - rather than a bunch of magic methods).
> > >
> > > In the example, the style of the single layer is updated when a new
> > > feature
> > > selection is made:
> > >
> > > mapFrame.getMapContext().getLayer(0).setStyle(style);
> > > mapFrame.getMapPane().repaint();
> > >
> > > Okay.
> > >
> > > I see that getLayer returns a deprecated DefaultMapLayer object.
> > > However, I can't update the example to use the new MapContent.layers()
> > > method because there doesn't seem to be a setStyle method (?)
> > >
> > > Interesting; I would expect you are working with a FeatureLayer (so
> > > something like the following).
> > > MapContent content = mapFrame.getMapContext();
> > > if( content.layers().get(0) instanceof FeatureLayer ){
> > > FeatureLayer selectionLayer = (FeatureLayer) content.layers().get(0);
> > > selectLayer.setStyle( style );
> > > }
> > > Jody
>
------------------------------------------------------------------------------
WhatsUp Gold - Download Free Network Management Software
The most intuitive, comprehensive, and cost-effective network
management toolset available today. Delivers lowest initial
acquisition cost and overall TCO of any competing solution.
http://p.sf.net/sfu/whatsupgold-sd
_______________________________________________
Geotools-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/geotools-devel
