/**
* 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);
}
