Joey Lott: Actionscript 3.0 Design Patterns

Design Patterns are architectural solutions to common programming problems. They are principally used in the development of applications but can also be helpful as a kind of programming shorthand when discussing problems with other programmers. This popular talk by the ORielly author warmed up with a reminder of some programming fundamentals.

by John Dalziel One important point he covered when reviewing the history of patterns was the dangers of converting blindly converting existing patterns from other languages to Actionscipt. There is little point in copying the Observer pattern for example as it is already built into AS3.

The first pattern reviewed was the classic architectural MVC (Model View Controller) pattern. This was probably the toughest one to communicate in the time available. The related pattern 'Document Model' which uses a model and a combined View/Controller was also mentioned in passing.

The live coding kicked in with 'Singleton' which is probably the most common pattern in use in any application. Each pattern received the same attention. Overall Joey covered Iterator, Command, Memento and Decorator,

 

Written by Jens C Brynildsen (December 2006)

 

 

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