private Table createMultiNodeDetailsTable(Container parent,
int pieChartHeight, ArrayList<Item> selectedNodes) {
Table table = new Table(parent);
table.setFixedLayout(true);
table.addStyleName(getCss().detailsTable());
// Assume that List is sorted.
UiEvent earliest = (UiEvent) selectedNodes.get(0).getItemTarget();
UiEvent latest = (UiEvent) selectedNodes.get(selectedNodes.size() - 1).getItemTarget();
double delta = latest.getTime() - earliest.getTime();