final XPopup popup = new XPopup();
XDragScrollView view = new XDragScrollView();
view.addStyleName("codeDemo");
tbl.setWidget(0, 0, new XSpinner());
tbl.setCellSpacing(10);
FlexCellFormatter fcf = tbl.getFlexCellFormatter();
fcf.setVerticalAlignment(0, 0, HasVerticalAlignment.ALIGN_TOP);
fcf.setHorizontalAlignment(0, 0, HasHorizontalAlignment.ALIGN_LEFT);