ActionScript 3.0 Design Patterns.pdf - VideoTutorials-bg.com

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Example 8-19. ChangeHandler.as (continued) battleUpdate[i].wordWrap=true; battleUpdate[i].multiline=true; battleUpdate[i].border=true; battleUpdate[i].textColor=0xffffee; scoreFormat=new TextFormat( ); scoreFormat.leftMargin=7; scoreFormat.rightMargin=7; getFont (warrior[i].nomDeGuerre); battleUpdate[i].borderColor=outputColor; battleUpdate[i].defaultTextFormat=scoreFormat; battleUpdate[i].text=warrior[i].nomDeGuerre+ ":\n"+warrior[i].passOn( ); } } //Get the font private function getFont (creature:String):void { switch (creature) { case "Earth Fighter" : outputColor=0xff0000; scoreFormat.font="Verdana"; break; case "Android Beam Base" : outputColor=0x00ff00; scoreFormat.font="Comic Sans MS"; break; case "Alien Menace" : outputColor=0x0000ff; scoreFormat.font="Arial Black"; break; } } //Get the movie clips from the Library private function getParts ( ):void { //Earthling earthlingMC=new Earthling( ); addChild (earthlingMC); earthlingMC.x=60, earthlingMC.y=120; missile=new Missile( ); addChild (missile); missile.x=earthlingMC.x+25; missile.y=earthlingMC.y+35; earthlingMC.addEventListener (MouseEvent.CLICK,fireMissile); earthlingMC.addEventListener (Event.ENTER_FRAME,earthlingHit); //Android Dynamically Changing States | 313
Example 8-19. ChangeHandler.as (continued) } androidMC=new Android( ); addChild (androidMC); androidMC.x=300; androidMC.y=380; beam=new Beam( ); addChild (beam); beam.x=androidMC.x; beam.y=androidMC.y; androidMC.addEventListener (MouseEvent.CLICK,fireBeam); androidMC.addEventListener (Event.ENTER_FRAME,beamHit); //Alien alienMC=new Alien( ); addChild (alienMC); torpedo=new Torpedo( ); addChild (torpedo); alienMC.x=420, alienMC.y=120; torpedo.x=alienMC.x-7; torpedo.y=alienMC.y+17; alienMC.addEventListener (MouseEvent.CLICK,fireTorpedo); alienMC.addEventListener (Event.ENTER_FRAME,alienHit); //Earthling fires missle private function fireMissile (evt:Event) { missile.play ( ); eFlag=0; } //Earthling hits Alien private function earthlingHit (evt:Event) { this.alienMC=alienMC; if (missile.hitTestObject(alienMC) && eFlag==0) { eFlag=1; aKiller++; scoreSetter.setScore (aKiller,"Alien Hit"); dataOut ( ); if (aKiller >= 5) { scoreSetter.setScore (aKiller,"Alien Out"); alien.nomDeGuerre="Alien Destroyed"; this.alienMC.rotation=90; torpedo.rotation=90; killWarrior (alien); dataOut ( ); } } } //Android fires beam 314 | Chapter 8: Observer Pattern
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ActionScript 3.0 Design Patterns
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ActionScript 3.0 Design Patterns Wi
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Bill would like to dedicate this to
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Example: Sprite Factory 84 Example:
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Video Player Concrete State Applica
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Who This Book Is For We wanted to d
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What You Need to Use This Book You
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and OOP. (Working out how to conver
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Safari® Enabled When you see a Saf
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Editors Our development editor, Rob
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Design patterns provide object-orie
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that program. Like pulling a string
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Built-in State Machines: while most
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Figure 1-2. Rocket drawing Center p
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Example 1-1. TestRocket.as package
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skills that would provide the concr
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Example 1-3. PlayVideoAbstract.as (
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Hiding Your Data from Bad Consequen
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Example 1-7. Encap.as (continued) }
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Wait! There’s more! Later in this
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As you can see in Example 1-9, the
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Using Encapsulation and Design Patt
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Example 1-13. QuadPets.as (continue
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Using Interfaces and Abstract Class
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interface. You’ll need an MP3 fil
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Example 1-22. Subclass.as package {
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Example 1-25. ImplementSubChange.as
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Example 1-29. Country.as (continued
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Example 1-32. IBiz.as package { pub
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Example 1-35 has further difference
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In addition to messages in the Outp
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state here is a bit more contextual
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your client dependency leads to une
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Example 1-40. VidPlayer.as (continu
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Doing Composition To understand com
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The clearest way we’ve seen compo
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Example 1-47. Mp3.as (continued) }
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Example 1-54. TestMedia.as (continu
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and ActionScript 3.0. However, the
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Figure 1-10 shows some possible fut
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introduction to OOP, you will find
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Creational Patterns Conceal creatio
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or dependency between the Client an
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The primary responsibility of the f
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The example package contains the Pr
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Example 2-5. CreatorA.as (continued
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instantiate concrete products var p
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Example 2-8. IPrintjob.as package p
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Clients Note that the client doesn
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Extended Example: Color Printing Th
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Example 2-19. NewLowVolPrintCenter.
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Key OOP Concepts Used in the Factor
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to implement default behavior commo
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Example 2-26. ShapeCreator.as packa
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draw filled shapes filledShapeCreat
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checking if the projectile has gone
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Example 2-32. AlienMine.as (continu
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Example 2-34. AlienShip.as } } } }
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Example 2-36. Weapon.as (continued)
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Concrete Creator Classes Until we e
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in teamwork, the Singleton can be u
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To create a class, we need a public
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Example 3-4. Singleton.as package {
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Figure 3-3. Compiler not finding cl
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However, does that mean that only a
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Figure 3-5. Two instance labels and
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Example 3-10. Alert.as } } { Alert.
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However, had we done that, we would
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for playing the selected tune. If i
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MP3 file in the same folder, and re
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shipping costs. It constitutes a go
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open the Convert to Symbol dialog b
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PART III III.Structural Patterns Tr
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Chapter 4 CHAPTER 4 Decorator Patte
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like abstract classes, simply by no
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simple inheritance. Depending on ho
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Minimalist Abstract Decorator To ge
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eral months. Using a Decorator desi
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Example 4-5. DecConB.as package { /
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Applying a Simple Decorator Pattern
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If you want to create more concrete
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Example 4-15. Muff.as package { pub
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Figure 4-6. Paper doll with two dif
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Adding Properties and Methods Up to
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Decorating with Multiple Properties
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} override public function evil( ):
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Example 4-25. Compassion.as package
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Deadly sins Example 4-29. Rage.as p
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Example 4-33. Dogmatisms.as package
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class window in the Dual.fla Proper
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Example 4-37. Soul.as (continued) }
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Imagine that you are responsible fo
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Example 4-41. Accord.as (continued)
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Example 4-45. GPS.as package { publ
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Example 4-48. Deal.as 16 internal v
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Example 4-48. Deal.as 120 { 121 tra
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Figure 4-8. Decorator user interfac
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Chapter 5 CHAPTER 5 Adapter Pattern
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and their functionality to figure o
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Example 5-4. Main.as (continued) }
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Example 5-5. Adaptee.as package { p
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methods and properties to accomplis
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Example 5-9. LegacyCar.as 47 } 48 4
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ignition key of the car (assume tha
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Example 5-11. CarAdapter.as (contin
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Note that the new interface turns t
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var listField = new TextField( ); l
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Example 5-14. ListDisplayField.as 3
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Example 5-15. Main.as (document cla
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Example 5-17. Main.as (document cla
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Summary The adapter pattern allows
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objects and composite objects the s
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the components. We can think of tou
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method by tracing sName. When opera
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oot composite 1 leaf 1 leaf 2 compo
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Executing the following statements
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Example 6-6. The safeRemove( ) meth
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leaf 2 Composite 1 leaf 2 leaf 3 Di
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Example 6-9. Playlist.as (continued
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Example 6-10. Song.as 58 soundChann
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Using Inverse Kinematics Inverse ki
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Example 6-12. Composite.as package
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Example 6-14. Main.as 23 addChild(s
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The following steps relate to Figur
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Example 6-16. Tail.as package { imp
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Note how the snake is constructed u
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Example 6-18 shows the IPlane inter
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Unlike the Shape class, Sprite does
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Figure 6-9. Hierarchical tree struc
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Modifying Components to Reflect Dam
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private function showDamage(evt:Eve
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Behavioral Patterns Class Communica
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Notice the tight coupling between t
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Each envelope encapsulates a partic
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instance is passed to the construct
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Setting a Trigger to Invoke the Com
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Example 7-7. IMacroCommand.as packa
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Example 7-12. ConcreteMacroCommand.
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Example 7-14. TextButton.as package
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Page 285 and 286: Extended Example: Sharing Command O
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Page 289 and 290: Example 7-21. IncrementCommandWithU
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Page 293 and 294: Example 7-26. TextDisplayField.as (
Page 295 and 296: Example 7-28. Radio.as 44 var url =
Page 297 and 298: Example 7-30. Client code for the p
Page 299 and 300: Example 7-31. DynamicControlButtons
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Page 313 and 314: Example 8-7. ConcreteSubject.as (co
Page 315 and 316: Example 8-9. TestSub.as (continued)
Page 317 and 318: } this.news=news; this.sports=sport
Page 319 and 320: Example 8-12. ConcreteSubject.as pa
Page 321 and 322: Example 8-13. ConcreteObserver.as (
Page 323 and 324: Whoaa!, the stock market is at 2987
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Page 327 and 328: Launching the Space Battle In Examp
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Page 339 and 340: To make the task more manageable an
Page 341 and 342: Example 8-24. ConcreteObserver.as p
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Page 345 and 346: Example 8-26. QuarterBar.as (contin
Page 347 and 348: Example 8-27. QuarterGraph.as (cont
Page 349 and 350: Example 8-28. DataDesign.as (contin
Page 351 and 352: Summary The real test for a design
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Page 367 and 368: Not-So-Concrete Concrete Classes Th
Page 369 and 370: Example 9-11. PlayVideo.as (continu
Page 371 and 372: Example 9-13. PlayMedia .as (contin
Page 373 and 374: When to Hook? The hook’s useful w
Page 375 and 376: Example 9-15. FlightPlan.as (contin
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Example 10-2. VideoWorks.as (contin
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To complete the state machine, we n
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Example 10-7. State.as package { //
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Example 10-10. VideoWorks.as (conti
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Example 10-13. TestVid.as package {
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Example 10-13. TestVid.as (continue
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Example 10-15. StopState.as (contin
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Example 10-17. PauseState.as 22 pub
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Example 10-19. TestPause.as (contin
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Figure 10-6 shows what your video p
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Figure 10-7. Statechart with five s
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Example 10-22. PlayState.as 1 packa
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Example 10-24. RecordState.as 1 pac
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Example 10-26. VideoWorks.as (conti
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Example 10-27. TestFMS.as (continue
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Chapter CHAPTER 11 11 Strategy Patt
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say that the Context class (aggrega
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etween the context classes and the
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Example 11-3. ConcreteStrategy.as p
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Adding More Concrete Strategies and
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Example 11-9. Tricks.as (continued)
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Even though we’ve discussed some
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Example 11-18. Bubbles.as package {
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Simply by adding setters to the con
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Contexts for String Strategies You
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Example 11-24. StringWork.as packag
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Example 11-29. SortAll.as package {
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Example 11-33. TestStringStrategy.a
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Using More Than One Pattern PART V
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Chapter 12 CHAPTER 12 Model-View-Co
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triggered by a user interacting wit
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grouped together in a tabbed panel
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Example 12-2. Model.as (continued)
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Example 12-5. View.as (continued) 1
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implementations in the MVC. Our vie
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Example 12-8. CompositeView.as (con
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Example 12-10. CharCodeLeafView.as
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Key OOP Concepts in the MVC Pattern
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Example 12-12. IModel.as (Model int
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Example 12-15. Controller.as (Contr
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Example 12-16. CBView.as 24 update(
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Note that only the combo boxview th
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Example 12-18. INewModel.as (contin
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Example 12-21. RBView.as package {
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add map type select radio button gr
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Example 12-23. CarModel.as (continu
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Example 12-25. RHController.as (con
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Example 12-28. Main.as (document cl
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Example 12-30. GPSView.as package {
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Example 12-32. ChaseController.as (
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Chapter 13 CHAPTER 13 Symmetric Pro
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• Indicate that a remote player h
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Even though both of the solutions a
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Referee 1 Player1 Proxy2 Internet S
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With a single template method, and
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developed with an eye to the order
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Boolean variables to false. (The fa
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Example 13-3. RPS.as (continued) }
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Example 13-4. proxygame.asc (contin
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Example 13-5. SymPlayer1.as package
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Example 13-5. SymPlayer1.as (contin
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Example 13-5. SymPlayer1.as (contin
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In addition to using the Referee to
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Example 13-6. DynamicText.as (conti
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3. Click the Text layer to select i
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A abstract classes, 28, 31, 68, 130
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increment and decrement commands, 2
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E ECOOP, 470 EmailCheck.as, 418 enc
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MapTypeController.as, 454 MapView.a
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Q QuadPets.as, 25 R Radio.as, 273 R
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T Tail.as, 231 Target.as, 180 Templ
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