Building Composite Applications with Silverlight - Prism 2.0

Christian Thilmany

Blog: www.flyover18.com

UX Architect

Microsoft Corporation

Session Objectives And Takeaways

Session Objective(s):

Able to determine RIA composite application scenarios and recommend solutions for the scenarios using Prism for Silverlight and WPF.

Prism – V2 out now

Provides written and code-example guidance for composite solution space

Supports targeting both Silverlight & WPF composite applications

Prism-What’s in the box

Prism – Composite Client Application Guidance for WPF and Silverlight

Library

Reference Implementation

Documentation

Quick-Starts & How-To’s

Community – CodePlex

Prism 1.0 – WPF

Released July 2008

Prism 2.0 – Silverlight

Just Released Feb 2009!

Rough Cut Editor Microsoft Confidential

New In Prism 2.0!

Modules

Unit Of Application Assembly

Collection of Related Components

Feature, Services, Views, Data Access

Mandatory or Optional or Role Specific

Example: Banking app: Checking Module, Credit Card Module, Trading Module, News Module

Unit Of Development

Independent Development/Testing

Unit Of Deployment

Up-Front, Background or On-Demand

Modules

Module Discovery

Pluggable Catalogs

Module Loading

Background or On-Demand

Module Loader Extended In Prism 2.0!

Modules & Catalogs

UI Composition

Shell – Application Host Window

Regions – Named Areas For View Placement

Views – Encapsulate UI & Presentation Logic

Region Region Region // View Injection IPositionPresentationModel presentationModel = …; IRegion mainRegion = regionManager.Regions[ "MainRegion" ]; mainRegion.Add( presentationModel.View ); < TabControl RegionManager.RegionName = "MainRegion"> < ItemsControl RegionManager.RegionName = “ResearchRegion” /> < ContentControl RegionManager.RegionName = “ActionRegion” />

UI Composition

View Discovery Composition:

Less Complex

Black Box ‘App Assembly’ Composition

Select Views & Pull into Region

Region Region Region New In Prism 2.0! < TabControl RegionManager.RegionName = "MainRegion"> regionManager. RegisterViewWithRegion( "MainRegion", typeof ( MainView ) );

Commands and Events

Delegate & Composite Commands

Simplified Command Handling

Event Aggregator

Loosely Coupled Pub/Sub Events

Module B Customer Presenter Module A Order Presenter Event Aggregator Subscribe Publish Event

Prism Silverlight Logical Architecture HOST APPLICATION LOADING SERVICES CORE SERVICES MODULE PREFFERED SERVICES Modules MODULES Presenter View Model ModuleCatalog Module Loader EventAggregator Logging RegionManager Unity Module Initializer Model

Multi-Targeting

User Experiences

Desktop – In the Office, Full Functionality, Offline

RIA – Out of the Office, Functional Subset, Online

WPF Application Silverlight (RIA) Application BROWSER DESKTOP CLR - Silverlight CLR Desktop BCL BCL

Multi-Targeting: Strategies

Start with LCD

Use Links and Parallel Project Structures

Separated Presentation Strategies

Keep single source

If not, apply the sieve

#IF SILVERLIGHT Partial Classes Partial Methods Separate Classes Rewrite the Code

Multi-Targeting WPF CLR - Silverlight CLR Desktop BCL BCL BROWSER DESKTOP Controllers Models Presenters Views Models Controllers Presenters Views

Stock Trader RI

Where Can You Find It?

www.microsoft.com/compositewpf

www.codeplex.com/compositewpf

http://www.flyover18.com

Summary

Prism

Library of Patterns for Composite Client Applications

Targets WPF Desktop and Silverlight RIA Applications

View Discovery Composition, Separated Presentation Patterns, Module Catalog

Multi-Targeting to reuse code between Silverlight and WPF

Download from CodePlex and send us feedback

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