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Re: [udig-devel] notify if layer was added/removed
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Sorry for the short answer, but: couldn't you use an interceptor for
trapping this kind of things?
There should be a layer added and removed one I think?
Ciao
Andrea
On Tue, Dec 14, 2010 at 11:57 AM, <konfri@xxxxxx> wrote:
> Hey Jody,
>
> I'm adding the compositionListener to the map at the end of my createPartControl method. The upcoming process clears the map - this just happens if my view is shown on start up. I would guess, that this behavior is somehow related to the start up order of my views.
>
> Anyway, I'm adding my compositionListener instance each time the user performs a task (the map container is a set, so it does not keep duplicates).
>
> Thanks for your time.
>
> Kon
>
>
> -------- Original-Nachricht --------
>> Datum: Tue, 14 Dec 2010 12:20:34 +1000
>> Von: Jody Garnett <jody.garnett@xxxxxxxxx>
>> An: User-friendly Desktop Internet GIS <udig-devel@xxxxxxxxxxxxxxxxxxxxx>
>> Betreff: Re: [udig-devel] notify if layer was added/removed
>
>> Not sure; try going further down that page where the EMF notification
>> event system allows you access to everything.
>>
>> If you can step through the code where the IMapCompositionListener is
>> called; perhaps you can tell us where it is being missed?
>>
>> Jody
>>
>> On 14/12/2010, at 2:39 AM, konfri@xxxxxx wrote:
>>
>> > Hey,
>> >
>> > I need to perform some task if a layer was added/removed. For that, I
>> found this code snipped on
>> http://www.refractions.net:8080/confluence/display/DEV/How+to+tell+when+something+changes:
>> >
>> > ApplicationGIS.getActiveMap().addMapCompositionListener(new
>> IMapCompositionListener(){
>> > public void changed( MapCompositionEvent event ) {
>> > System.out.println("changed");
>> >
>> > if (event.getType() == EventType.ADDED) {
>> > System.out.println("Layer added");
>> > } else if (event.getType() == EventType.REMOVED) {
>> > System.out.println("Layer removed");
>> > }
>> > //..
>> > }
>> > });
>> >
>> > Unfortunately, it is never trigged. Is there something wrong or
>> outdated? Thank you!
>> >
>> > Kon
>> > --
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>> > http://udig.refractions.net
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>>
>> _______________________________________________
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>> http://udig.refractions.net
>> http://lists.refractions.net/mailman/listinfo/udig-devel
>
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