/**
  * Overriden to implement defaut automatic layout Container will be located 50 pixels (1.0 scale)
  * above parent node
  */
 @Override
 public double getDefaultY() {
   if (getWKFContainerGR() != null) {
     WKFObjectGR containerGR = getWKFContainerGR();
     return containerGR.getLocationInDrawing().y + containerGR.getHeight() + 50;
   }
   return 0;
 }
 /**
  * Overriden to implement defaut automatic layout Container will be horizontal centered above
  * parent node
  */
 @Override
 public double getDefaultX() {
   if (getWKFContainerGR() != null) {
     WKFObjectGR containerGR = getWKFContainerGR();
     return Math.max(
         0, containerGR.getLocationInDrawing().x - (getWidth() - containerGR.getWidth()) / 2);
   }
   return 0;
 }