if (!manager.graph.hasAttribute(completeId)) {
if (position != null) {
manager.graph.addAttribute(completeId, position);
this.position = position;
} else {
this.position = new Values(Style.Units.GU, 0f, 0f, 0f);
manager.graph.addAttribute(completeId, this.position);
}
} else {
if (position != null) {
manager.graph.setAttribute(completeId, position);