com.setLocation(p);
Point ref1 = getConnection().getSourceAnchor().getReferencePoint();
Point ref2 = getConnection().getTargetAnchor().getReferencePoint();
conn.translateToRelative(ref1);
conn.translateToRelative(ref2);
com.setRelativeDimensions(p.getDifference(ref1), p.getDifference(ref2));
com.setDiagramConnectionModel((DiagramConnectionModel) request.getSource().getModel());
com.setIndex(request.getIndex());