ActionScript 3.0 Design Patterns
200 | Chapter 5: Adapter Pattern We will subscribe to the web feed, extract the book titles using ECMAScript for XML (E4X), and ...
Extended Example: Displaying the O’Reilly New Books List | 201 Example 5-17. Main.as (document class) 1 package 2 { 3 import fla ...
202 | Chapter 5: Adapter Pattern The feed URL (http://www.oreillynet.com/pub/feed/29) is specified in line 37. The URLLoader( )m ...
Summary | 203 Summary The adapter pattern allows existing classes to be used in situations that didn’t exist or weren’t anticipa ...
204 Chapter 6 CHAPTER 6 Composite Pattern 6 What we need to do is learn to work in the system, by which I mean that everybody, e ...
What Is the Composite Pattern? | 205 objects and composite objects the same way. For example, when adding, or remov- ing a compo ...
206 | Chapter 6: Composite Pattern class can define default implementations for both composite and leaf nodes. At a minimum, the ...
Minimalist Example of a Composite Pattern | 207 the components. We can think oftouch( )as a common operation that applies to all ...
208 | Chapter 6: Composite Pattern TheComponentclass should behave as an abstract class and should not be instanti- ated. It als ...
Minimalist Example of a Composite Pattern | 209 method by tracingsName. Whenoperation( )is called in a leaf node, it will output ...
210 | Chapter 6: Composite Pattern TheMainclass shown in Example 6-4 represents theclient. It creates a compositeroot node and a ...
Minimalist Example of a Composite Pattern | 211 root composite 1 leaf 1 leaf 2 composite 2 leaf 3 leaf 4 leaf 5 leaf 6 It is imp ...
212 | Chapter 6: Composite Pattern root.getChild(2).add(new Leaf("leaf 3")); root.getChild(2).add(new Leaf("leaf 4")); root.getC ...
Minimalist Example of a Composite Pattern | 213 Executing the following statements accesses thethird child of the second child o ...
214 | Chapter 6: Composite Pattern The defaultremove(c:Component)method declared with its default implementation in the Componen ...
Minimalist Example of a Composite Pattern | 215 Following the proper sequence when removing parent and child references is essen ...
216 | Chapter 6: Composite Pattern Executing the statements in Example 6-7 will generate the following output. The operation( ) ...
Example: Music Playlists | 217 Key OOP Concepts in the Composite Pattern The key OOP concept embedded in the composite pattern i ...
218 | Chapter 6: Composite Pattern while a playlist is a composite object that contains a collection of songs. Let’s first creat ...
Example: Music Playlists | 219 The Playlistclass extends theComponent class and is almost identical to the composite class in th ...
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