FeatureModel fm = (FeatureModel) getContext().getValue("fm");
FeatureEditor featureEditor = (FeatureEditor) getContext().getValue("fe");
FeatureModelEditor fme = (FeatureModelEditor) getContext().getValue("fme");
ConstraintModel cm = (ConstraintModel) getContext().getValue("cm");
ConstraintModelEditor cme = (ConstraintModelEditor) getContext().getValue("cme");
CompositeConstraintEditor cce = (CompositeConstraintEditor) getContext().getValue("cce");
GroupConstraintEditor gce = (GroupConstraintEditor) getContext().getValue("gce");
DrawingView[] dvs = (DrawingView[]) getContext().getValue("dvs");
HashMap<String, Figure> mFigure = new HashMap<String, Figure>();