String value = "" + i + "." + j;
FastTreeItem subItem = item.addItem(value);
treeItems.put(value, subItem);
for (int k = 0; k < 2; k++) {
String newValue = i + "." + j + "." + k;
treeItems.put(newValue, subItem.addItem(newValue));
}
}
}
scroller.setWidget(tree);
scroller.setHeight("200px");