Robotlegs AS3 from Flash and the City 2010

[robotlegs] for Actionscript 3

Me Joel Hooks Robotlegs Enthusiast on the web www.joelhooks.com @jhooks email joelhooks@gmail.com

Who Started Robotlegs? Shaun Smith Robotlegs Inventor ﬁnd him shaun.boyblack.co.za @darscan

Not to mention... Till Schneidereit SwiftSuspenders Maestro ﬁnd him http://www.tillschneidereit.de/ @tschneidereit

Contributors Robert Penner @robPenner Jonnie Hallman @DestroyToday Sean Hess @seanhess Craig Wickesser @codecraig and so many others have contributed to the community through support, ideas, and examples...

What’s in it for me? the pitch

What’s in it for me? do you need a a pure Actionscript 3 micro-architecture for ﬂash, ﬂex and air?

What’s in it for me? are you using a framework but feel sad about...

What’s in it for me? are you using a framework but feel sad about... casting

What’s in it for me? are you using a framework but feel sad about... casting Singletons

What’s in it for me? are you using a framework but feel sad about... casting Singletons service locators

What’s in it for me? are you using a framework but feel sad about... casting Singletons service locators display list event bus

What’s in it for me? do you want a better mechanism for...

What’s in it for me? do you want a better mechanism for... wiring your objects together

What’s in it for me? do you want a better mechanism for... wiring your objects together managing dependencies

What’s in it for me? do you want a better mechanism for... wiring your objects together managing dependencies managing events

What’s in it for me? do you want a better mechanism for... wiring your objects together managing dependencies managing events structured MVC

Robotlegs is... a pure Actionscript 3 micro-architecture

Robotlegs is... a pure Actionscript 3 micro-architecture robotlegs has no Flex framework dependencies.

Robotlegs is... ﬂash, ﬂex, and air

Robotlegs is... a mechanism for wiring objects together

Robotlegs is... a mechanism for wiring objects together focused solely on this limited scope

Robotlegs is... a mechanism for wiring objects together focused solely on this limited scope by providing kickass tools to get your job done

Why Robotlegs? lightweight ~1100 lines of code...

Why Robotlegs? automated dependency injection

Why Robotlegs? automated dependency injection [Inject]

Why Robotlegs? :ʼ( ﬁght carpel tunnel

Why Robotlegs? remove framework pain

Why Robotlegs? MVC+S reference implementation

Why Robotlegs? MVC+S reference implementation a little prescription goes a long way...

Why Robotlegs? MVC+S reference implementation a little prescription goes a long way... but...

Why Robotlegs? whatever you need it to be

Why Robotlegs? whatever you need it to be highly extensible to support YOUR workﬂow and style

Why Robotlegs? whatever you need it to be highly extensible to support YOUR workﬂow and style MVCS provides documentation and common ground for teams...

Why Robotlegs? modular support

Why Robotlegs? peer reviewed

Why Robotlegs? objects communicate via native events

Why Robotlegs? objects communicate via native events custom events with strongly typed properties

Why Robotlegs? objects communicate via native events custom events with strongly typed properties or maybe you prefer AS3-Signals?

Why Robotlegs? well documented

Why Robotlegs? fully unit tested because your project is important.

Why Robotlegs? stable strict semantic versioning http://semver.org/

Why Robotlegs? welcoming community hi!

Why Robotlegs? knowledge.robotlegs.org Community supported through Tender

What Robotlegs isn’t...

Where to Start? MVC+S reference implementation

Robotlegs MVCS Implementation

Robotlegs in Action Flickr Image Gallery Demo* *part of the Robotlegs Demo Bundle available here: http://github.com/robotlegs/robotlegs-demos-Bundle

Robotlegs in Action GalleryView Component

Robotlegs in Action GallerySearch Component

Robotlegs in Action GalleryLabel Component

Context Context initializes the framework

Context

Context Context provides an event bus

Context Event Dispatcher Routes Events

Context not limited to a single Context

Context not limited to a single Context multiple Contexts for modular development

Context not limited to a single Context multiple Contexts for modular development thereʼs a utility for that...

Actor Actor is the base class for Model and Service classes

Models and Services Extend Actor

Actor eventDispatcher is injected into Actor

Actor Actor provides a dispatch(event) method

Actor Actor is for your convenience

Model Models extend Actor

Model Models provide an API for data

Model Models sit between application data and other actors

Model Models should not listen for framework events

Model Models dispatch framework events

Models Dispatch Events

Service Services extend Actor

Service Services communicate with the outside world and provides an API to external services

Service

Service Services can parse results from external services

Service Services can parse results from external services foreign data should be converted at the ﬁrst opportunity

Service

Service Services do not store data

Service Services do not store data data is stored on a Model

Service Services do not receive framework events

Service Services dispatch framework events

Services Dispatch Events

View the View is represented by your view components and their Mediators

View Mediators provide API for view components

View Mediators provide API for view components to keep the framework out

Mediators Access View Component APIs

View Mediators listen for view component events

Mediators Listen to View Components

View Mediators listen for framework events

Mediators Listen for Events

View Mediators dispatch framework events

Mediators Dispatch Events

View view components are not coupled to their Mediators

View view components are not coupled to their Mediators or any other framework class

View view components are not coupled to their Mediators or any other framework class period.

View Mediators are coupled to their view components

View Mediators can access Service and Model classes directly

View Mediators can access Service and Model classes directly but this will couple the Mediator to the Actor

Accessing Models and Services from Mediators (tread carefully)

Controller represented by the Command class

Controller Commands are executed in response to framework events

Controllers Executed by Events

Controller Commands are stateless

Controller Commands are stateless they execute and die

Controller Commands are stateless they execute and die performing a single unit of work

Controller

Controller Commands perform work on Service and Model classes

Controller Commands perform work on Service and Model classes and occasionally Mediators

Controller Performs Work

Controller

Controller Commands receive data from the events that trigger them

Controller

Controller Commands dispatch framework events

Controller Dispatches Events

Controller Commands do not receive framework events

Controller Commands do not receive framework events outside of the event that triggers them

Controller Commands do not receive framework events outside of the event that triggers them which is available for injection

Typical Flow of Events in Robotlegs

User Performs an Action (button click)

View Component Dispatches Event to Mediator

Mediator Dispatches Event that Triggers

Command calls a Method on a Service

Service Makes External call and Parses Data

Service Updates the Model (directly or via

Model Dispatches Event that Mediator Responds

Mediator Updates View with Current Data

Robotlegs MVCS

Collaborative Development github makes it easy! github.com/robotlegs

Collaborative Development comments, criticism, and ideas welcome

Collaborative Development fork the framework

Collaborative Development create examples and utilities

Collaborative Development create an alternative implementation

www.robotlegs.org download the framework best practices documentation project on github FAQ and Knowledge Base live examples

Questions?

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Robotlegs AS3 from Flash and the City 2010

by Joel Hooks

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Robotlegs AS3 from Flash and the City 2010 Presentation Transcript