public String toUserDisplayableString() {
        if (!StringUtils.isBlank(getName())) {
            return getNameForUserDisplay();
        }

        if (getTree() == null) {
            return LocalizationUtils.getString(R.string.cache_filter_userdisplay_none);
        }
        final String udsTree = getTree().toUserDisplayableString(0);
        if (udsTree == null) {
            return LocalizationUtils.getString(R.string.cache_filter_userdisplay_none);
        }
        return udsTree;
    }
Extracts quickfilter settings from this filter. For each quickfilter, an entry is returned
For each quickfilter, it is stored whether corresponding caches shall be shown (true) or not (false)
main/src/main/java/cgeo/geocaching/filters/core/GeocacheFilter.java