this.designVisible = true;
this.designerContext = designerContext;
this.rootBandRenderers = new ArrayList<AbstractRenderComponent>();
this.renderContext = renderContext;
this.renderingModel = new RootBandRenderingModel(renderContext);
this.renderingModel.addChangeListener(new RootBandModelUpdateHandler());
this.renderingModel.addReportRenderListener(new LayoutUpdateHandler());
this.horizontalPositionsModel = HorizontalPositionsModel.getHorizontalPositionsModel(renderContext);