private boolean isGroupExpanded(final Object group) {
        return !model.getGroupingOptions().getReducedGroups().contains(group);
    }
This view displays and maintains a list of simple view items, mainly for (single or multiple)
item selection lists. It provides special support for grouping, filtering and "select all" for such
lists.
main/src/main/java/cgeo/geocaching/ui/SimpleItemListView.java