PlotItem.java 文件源码

public ObjectProperty<Color> colorProperty() {
    if (null == color) {
        color = new ObjectPropertyBase<Color>(_color) {
            @Override protected void invalidated() { fireChartItemEvent(UPDATED_EVENT); }
            @Override public Object getBean() { return PlotItem.this; }
            @Override public String getName() { return "color"; }
        };
        _color = null;
    }
    return color;
}