helper.add( addVertexWhileCreatingBehaviour);
helper.add( new AcceptWhenOverFirstVertexBehaviour());
helper.stopOrderedList();
helper.startAdvancedFeatures();
helper.add(new SelectVertexOnMouseDownBehaviour());
helper.add( new SelectVertexBehaviour());
helper.stopAdvancedFeatures();
helper.startAdvancedFeatures();
SelectFeatureBehaviour selectGeometryBehaviour = new SelectFeatureBehaviour(new Class[]{Polygon.class, MultiPolygon.class}, Intersects.class);
selectGeometryBehaviour.initDefaultStrategies(ShapeType.POLYGON);