public ObjectProperty<Locale> localeProperty() {
        if (null == locale) {
            locale  = new ObjectPropertyBase<Locale>(_locale) {
                @Override protected void invalidated() {
                    if (null == get()) set(Locale.US);
                    fireTileEvent(REDRAW_EVENT);
                }
                @Override public Object getBean() { return Tile.this; }
                @Override public String getName() { return "locale"; }
            };
            _locale = null;
        }
        return 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