public void applyChanges() {
      myLinearGraph.getDottedEdges().removeAll();
      myLinearGraph.getHiddenEdges().removeAll();

      for (GraphEdge e : getDottedEdges().getEdges()) {
        myLinearGraph.getDottedEdges().createEdge(e);
      }
      for (GraphEdge e : getHiddenEdges().getEdges()) {
        myLinearGraph.getHiddenEdges().createEdge(e);
      }
    }
public void applyChanges()