@Override
public double getAvailable(Dimension dimension) {
for (AreaNode p = getParent(); p != null; p = p.getParent()) {
if (p instanceof ReferenceArea) return p.getAvailable(dimension);
}
return super.getAvailable(dimension);
}
public LineArea getLine() {
for (AreaNode p = getParent(); p != null; p = p.getParent()) {
if (p instanceof LineArea) return (LineArea) p;
else if (p instanceof ReferenceArea) break;
}
return new LineArea();
}