package oripa.paint.line; import oripa.paint.core.PaintContext; import oripa.paint.core.PickingVertex; public class SelectingFirstVertexForLine extends PickingVertex{ public SelectingFirstVertexForLine(){ super(); } @Override public void undoAction(PaintContext context) { context.clear(false); } @Override public void onResult(PaintContext context) { // TODO Auto-generated method stub } @Override protected void initialize() { setPreviousClass(this.getClass()); setNextClass(SelectingSecondVertexForLine.class); // System.out.println("SelectingFirstVertex.initialize() is called"); } }