public static GElementTMOperation parse(StringBuffer pattern) {
TMOperation op = new TMOperation();
GElementTMOperation gop = new GElementTMOperation();
gop.setOperation(op);
return parse(pattern, gop) ? gop : null;
}
public GElementTMOperation(TMOperation op, double x, double y) {
setOperation(op);
setPosition(x, y);
setDraggable(true);
}