/** * Adds a new view for the given lifeline to this view. * * @param lifeline the {@link Lifeline} a view is required for */ private void addLifelineView(Lifeline lifeline) { LayoutElement layoutElement = layout.getValue().get(lifeline); LifelineView lifelineView = new LifelineView(this, lifeline, layoutElement); addChild(lifelineView); lifelineView.setHandler(HandlerFactoryMessageView.INSTANCE.getLifelineViewHandler()); lifelines.put(lifeline, lifelineView); }