@Override
    public ToggleButtonView addToggleButton(final Preset primaryPreset,
                                            final Preset secondaryPreset) {
        return buttonPanel.addToggleButton(primaryPreset, secondaryPreset);
    }
The pager used to change the range of data.
stroom-core-client-widget/src/main/java/stroom/data/grid/client/PagerViewWithHeadingImpl.java