setUpPositionListener();
Registry unitRegistry = paneRegistry.getSubRegistry("units");
this.detailedFieldInfoComp = new DetailedFieldInfoComponent(
fieldScrollPane.getViewport().getWidth());
this.fieldScrollPane.setViewportView(this.detailedFieldInfoComp);
this.unitInfoRuleset = unitRegistry.getRuleset(
"detailedUnitInfoComp");