ActionScript 3.0 Design Patterns

Index | 503

E

ECOOP, 470
EmailCheck.as, 418
encapsulate what varies, 337
encapsulated algorithms, 401
encapsulating variation, 400
encapsulation, 15–24, 248
purpose, 16
enter frame event handler, 188
Escape.as, 167
execute( ) method, 250, 251
extensiblilty planning, 57–60

F

factories, 66
Factory Method Minimalist.fla, 69
Factory Method pattern, 63, 65–68
color printing example, 80–83
clients, 83
new creator classes, 81
new product classes, 80
parallel class hierarchies, 83
concrete creator classes, 100
creator classes, 66
key OOP concepts, 84
minimal example, 69–74
clients, 72
creator classes, 71
product classes, 70
product classes, hiding, 73
object creation and reduction of
coupling, 84
parameterized factory methods, 79
integrating, 81
print shop example, 74–79
clients, 78
creator classes (print centers), 76
extension, 78
product classes (print jobs), 75
product classes, 66
Sprite factory, 84–90
clients, 89
creator classes (shape creators), 87
product classes (shape widgets), 85
summary, 100
vertical shooter game, 90–100
clients, 100
creator classes, 97–99
product classes, 91–97
factory methods, 67
FallDown.as, 409

FancyPrintCenter.as, 79

FashionShow.as, 145

favor object composition over class

inheritance, 49–51, 56, 285, 288

FilledCircleWidget.as, 87

FilledShapeCreator.as, 89

FilledSquareWidget.as, 87

Flash CS3, xiv

document class, 69

MovieClip and Button objects, making

classes from, 7

Flash Media Server 2 (see FMS2)

Flash paper doll, 141–147

component class, 141

concrete classes, 142

concrete component class, 142

concrete decorator classes, 143

Decorator class for dressing dolls, 141

implementing the paper doll

decorator, 145–147

Flex 2, xiv, xv

FlightPlan.as, 353

FMS2 (Flash Media Server 2), xiv, xv

State pattern and, 383

G

Gamma, Erich, xii

Gang of Four (GoF), xiv

generic concrete decoration, 152

Geostationary Satellite Server, 443

getInstance( ) function, 108

GoF (Gang of Four), xiv

GPS.as, 169

GPSView.as, 465

granularity, 59, 414

Guitar.as, 28

H

HasBase .as, 50

Hat.as, 144

Head.as, 226

HeatedSeat.as, 168

heavenly virtues, 153–156

Heliotis, James, 470

Helm, Richard, xii

HeroCannonBall.as, 93

HeroShip.as, 96

HeroWeapon.as, 98

HighVolPrintCenter.as, 77

Hollywood Principle, 333, 337