Examples of org.locationtech.udig.project.internal.render.CompositeRenderContext.addListener()

        if (context != null) {
            ((CompositeRenderContext) context).removeListener(contextListener);
        }
        if (newContext != null) {
            CompositeRenderContext compositeRenderContext = (CompositeRenderContext) newContext;
            compositeRenderContext.addListener(contextListener);
            for( IRenderContext context : compositeRenderContext.getContexts() ) {
                if (findExecutor(context) == null) {
                    Renderer renderer = getRendererCreator(context).getRenderer((RenderContext) context);
                    getRenderExecutors().add(createRenderExecutor(renderer));
                }

        List<Renderer> renderers = compRenderer.children();
        for( Renderer renderer : renderers ) {
            renderer.eAdapters().add(listener);
        }
        CompositeRenderContext compContext = ((CompositeRenderContext)map.getRenderManagerInternal().getRenderExecutor().getContext());
        compContext.addListener(contextListener);
        
        PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().showView(LayersView.ID);
        ApplicationGISInternal.getActiveEditor().setTesting(true);


    }

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