Add listener that will be notified every time colors are changed
You should implement this method if you have color that can be changed from both inside the strategy and outside (like from color dialog)
Note that there is no need to remove the listener - weak links are used
Add listener that will be notified every time colors are changed
You should implement this method if you have color that can be changed from both inside the strategy and outside (like from color dialog)
Note that there is no need to remove the listener - weak links are used