private int getSelectedIndex(final V value) {
        final Integer index = indexForOption.get(value);
        if (index == null) {
            return -1;
        }
        return index.intValue();
    }
Construct a new {@link SelectionCell} with the specified options.

@param options the options in the cell
stroom-core-client-widget/src/main/java/stroom/cell/item/client/ItemCell.java