/**
  * Removes a figure from the composite.
  *
  * @see #removeAll
  */
 public Figure remove(Figure figure) {
   if (fFigures.contains(figure)) {
     figure.removeFromContainer(this);
     fFigures.removeElement(figure);
   }
   return figure;
 }
 /**
  * Removes all children.
  *
  * @see #remove
  */
 public void removeAll() {
   FigureEnumeration k = figures();
   while (k.hasMoreElements()) {
     Figure figure = k.nextFigure();
     figure.removeFromContainer(this);
   }
   fFigures.removeAllElements();
 }