Just another Nodetraveller

With web apps becoming more and more like Desktop apps, it seems like user interfaces need be more like desktop user interfaces too. Some of these web apps can have a complex UI and their users need to be able to feel comfortable with it. Of course, making the UI as simple as possible is key, but if a task is relatively complex then the UI will also be relatively complex.

Now Actionscript is OO, I thought it would be useful to try out implementing a design pattern in Flash. The pattern I chose is the Memento pattern, which is mainly used to implement “undo” functionality in applications. The reason I chose Memento is because its a pattern that uses interfaces and I wanted to explore this in AS 2.0. An interface is an object that defines methods but has no implementation.