public static RenderThemeType getRenderThemeType() {
        final String selectedMapRenderTheme = Settings.getSelectedMapRenderTheme();
        for (MapsforgeThemeHelper.RenderThemeType rtt : MapsforgeThemeHelper.RenderThemeType.values()) {
            for (String searchPath : rtt.searchPaths) {
                if (StringUtils.containsIgnoreCase(selectedMapRenderTheme, searchPath)) {
                    return rtt;
                }
            }
        }
        return RenderThemeType.RTT_NONE;
    }
Calculates a xml theme name fit for user display (in dropdown etc)

@param file    theme file name
@param zipPath if theme file is a ZIP, then this contains the zip-internal path to the xml. Otherwise null
@return user display theme name
main/src/main/java/cgeo/geocaching/unifiedmap/mapsforge/MapsforgeThemeHelper.java