code: public boolean visuallyEncloses1(BoxNode childNode)
      {
          int cx1 = childNode.getVisualBounds().getX1();
          int cy1 = childNode.getVisualBounds().getY1();
          int cx2 = childNode.getVisualBounds().getX2();
          int cy2 = childNode.getVisualBounds().getY2();
          int px1 = getVisualBounds().getX1();
          int py1 = getVisualBounds().getY1();
          int px2 = getVisualBounds().getX2();
          int py2 = getVisualBounds().getY2();
          
          //check how many corners of the child are inside the parent exactly
          int xcnt = 0;
          if (cx1 >= px1 && cx1 <= px2 &&
              cy1 >= py1 && cy1 <= py2) xcnt++; //top left
          if (cx2 >= px1 && cx2 <= px2 &&
              cy1 >= py1 && cy1 <= py2) xcnt++; //top right
          if (cx1 >= px1 && cx1 <= px2 &&
              cy2 >= py1 && cy2 <= py2) xcnt++; //bottom left
          if (cx2 >= px1 && cx2 <= px2 &&
              cy2 >= py1 && cy2 <= py2) xcnt++; //bottom right
          
          /*if (childNode.toString().contains("globalWrapper") && this.toString().contains("mediawiki"))
              System.out.println("jo!");*/
          
          if ((cx1 == px1 && cy1 == py1 && cx2 == px2 && cy2 == py2)) //exact overlap
             return this.getOrder() < childNode.getOrder();
          else
              return xcnt == 4;
      }
docs: Checks if another node is fully located inside the content bounds of this box.
  @param childNode the node to check
  @return <code>true</code> if the child node is completely inside this node, <code>false</code> otherwise