int each = (int) Math.max(Math.min(Math.floor((aw - 4) / count) - buttonMargin, buttonWidth), minButtonWidth);
NodeList<com.google.gwt.dom.client.Element> btns = stripWrap.dom.getElementsByTagName("button");
El b = items.get(0).el();
lastButtonWidth = b.findParent("li", 5).getWidth();
for (int i = 0, len = btns.getLength(); i < len; i++) {
Element btn = btns.getItem(i).cast();
int tw = items.get(i).el().getParent().dom.getOffsetWidth();