Presentation Model pattern with Flex and Swiz framework

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Presentation Model pattern with Flex and Swiz FrameworkPiotr Walczyszyn | Platform Evangelist


About me

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Piotr WalczyszynPlatform Evangelist

http://riaspace.com

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pwalczyszyn

© 2010 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential. 3

Presentation Model


Presentation Model

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Presentation Model

View

State & LogicProvides Model dataDecoupled from View

Observes Model dataUpdates Model dataCoupled with PM


Presentation Model: Main.mxml

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Main.mxml

<swiz:Swiz />

MainPMcurrentState:String<views:MainView />

model +1


Presentation Model: MainView.mxml

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MainView.mxmlcurrentState=“{model.currentState}”

UsersListPMusers:ArrayCollecti

on

<views:UsersListView includeIn=“USERS_LIST_STATE” />

model +1

AddUserPMuser:User

createUser():void

<views:AddUserView includeIn=“ADD_USER_STATE” />

model +1


Presentation Model: UsersListView.mxml

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UsersListView.mxml

<s:List dataProvider=“{model.users}” />


Presentation Model: AddUserView.mxml

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AddUserView.mxml

<s:TextInput text=“@{model.user.name}” />


Swiz


Swiz Intro

Framework for Flex

Lightweight & flexible

Doesn’t enforce any design patterns, project layout or inheritance

Decoupled from your application code

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Swiz Features

Inversion of Control / Dependency Injection

[Inject]

Event handing and mediation

[Dispatcher], [Mediate]

Handling bean life cycle

[PostConstruct], [PreDestroy]

Simplifies remote service calls

ServiceHelper, MockDelegateHelper

Chaining API

EventChain, CommandChain

Custom Metadata Processors

[URLMapping], [MediateSignal], [Resource], [Logger], [Bind]

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Swiz Links

http://swizframework.org/

http://swizframework.jira.com/wiki/display/SWIZ/Home

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http://swizframework.jira.com/wiki/display/SWIZ/Home


Demo


Full Class Diagram

Presentation Model pattern with Flex and Swiz framework

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