public void setLocale(final Locale LOCALE) {
        if (null == locale) {
            _locale = null == LOCALE ? Locale.US : LOCALE;
            fireTileEvent(REDRAW_EVENT);
        } else {
            if (!locale.isBound()) {
                locale.set(LOCALE);
            }
        }
    }
Defines if effects like shadows should be drawn.
In some tiles inner- and dropshadows will be used which will be
switched on/off by setting the shadowsEnabled property.

@param ENABLED
src/main/java/eu/hansolo/tilesfx/Tile.java