Mastering LOB Development

Transcription

1 Mastering LOB Development for Silverlight 5: A Case Study in Action Develop a full LOB Silverlight 5 application from scratch with the help of expert advice and an accompanying case study Braulio Di'ez Botella Jose Fernando Almoguera Pablo Nunez Sebastian Stehle Rocio Serrano Rudilla Reyes Garcia Rosado 88 PUBLISHING BIRMINGHAM - MUMBAI

2 Preface 1 Chapter 1: Express Introduction to Silverlight 11 Introduction to Silverlight 12 Installation 12 Silverlight architecture 13 Creating the Hello World project 15 Creating a new project 16 Coding directly into the markup language 18 Dragging-and-dropping controls 19 Interacting with Code-Behind 20 XAML basic concepts 22 What is XAML? 22 Basic elements for layout definition 23 Canvas 23 StackPanel 24 Grid 25 Controls 27 LOB application case study: applying what we have learned 28 Summary 38 Additional resources 38 Chapter 2: Forms and Browsing 39 Controls definitions 39 Creating windows and controls 40 UserControl 41 Example of UserControl 41 Instantiating the control from code (Code-Behind) 44 Page control 46

3 Creating modal dialogs 47 Example of modal dialogs 47 Navigation 51 Navigating the Web 51 Silverlight Navigation Framework 52 Integrating Navigation Framework in the browser 53 UriMapper 53 Frame 54 Creating a sample Navigation Application 55 Adding a new page 56 Navigation control services 58 URI parameters 60 Deep Linking 61 LOB application case study: applying what we have learnt 62 MapView.XAML page 64 AdminView.XAML Page 66 Modal AdminEditionView.xaml dialog 69 Summary 70 Additional resources 71 Chapter 3: Data Binding 73 Understanding DataSource 74 Path 76 Binding sources 76 DataContext 77 Change notifications 79 Data binding modes 81 Introducing the ViewModel 83 ViewModel example 83 Dependency properties 87 Data binding from Code-Behind 91 Adding validations 92 BindingValidationError 96 DataAnnotations 97 Converters 99 IValueConverter 99 LOB application case study: applying what we have learned 102 Entity classes 104 ObservableCollection 104 AdminViewModel object 105

4 Table ofcontents Data binding 111 Summary 112 Additional resources 112 Chapter 4: Architecture 115 Patterns MVVM pattern 116 Creating an MWM-based sample application 119 Creating the project structure 122 Coding the project 126 MWM Light Toolkit 137 ViewModelBase 138 RelayCommand 139 Messenger 143 Managed Extensibilty Framework (MEF) 145 MEF definitions 146 Parts and contracts 147 Composition 148 Creating a mock model using MEF 148 Solution and folder structure 156 LOB application case study: applying what we have learned 163 Project structure 163 Folder structure 163 Main solution structure 164 Libraries 166 Packt.Libs.Navigation 166 Packt.Libs.Threading 171 Packt.Libs. Utils 172 Packt.Libs.Windows Summary 172 Additional resources 173 Chapter 5: RIA Services Data Access 175 Accessing data RIA Services pieces 176 Creating a Domain Service and consuming it from a Silverlight application 178 CRUD Read Create Update 192 Delete

5 Error control 193 Simple data binding 194 Validation 198 DataAnnotations 198 Simple validations 199 Custom and shared validations 200 Entity-level validations 203 Domain Services validations 205 Server validations 205 Asynchronous validations 207 Advanced topics 208 Cancelling changes 208 Transactions 209 Domain Service and partial classes 209 Include 210 Composition 211 Solving the many-to-many relationship issue 215 RIA Services and MVVM 216 Encapsulating RIA Services in a model 216 Context lifetime discussion and model factory 217 LOB application case study: applying what we have learned 219 Server 219 Test 221 Model 221 Modules 221 Summary 222 Additional resources 223 Chapter 6: Out of Browser (OOB) Applications 225 Out of Browser (OOB) 226 Executing an application in OOB mode 227 Enhancing the experience tooling up and updating 230 In-browser/OOB detection 230 Detecting the application installed 231 Installing the custom interface 232 Uninstalling an OOB application 234 Offline installation 235 Updates 235 Offline work 236 How it works 238

6 Breaking the sandbox trusted applications 238 Enabling trusted mode 239 Advantages of trusted applications 241 Accessing files 242 Making calls to COM+ 242 P/lnvoke 245 Cross-domain calls 247 WebBrowser control 248 Real windows 250 ln-browser trusted applications 251 LOB application case study: applying what we have learned 252 Summary 254 Additional resources 254 Chapter 7: Testing your LOB Application 255 Types of testing 255 Methodologies 256 Unit testing with Silverlight 257 Testing server code 257 Testing client code with MSTest 260 Libraries to test Silverlight code 262 Testing synchronous client code with Silverlight Unit Testing 263 Testing asynchronous client code with Silverlight Unit Testing 269 Isolating unit tests via substitutes 272 LOB application case study: applying what we have learned 273 Summary 280 Additional resources 280 Chapter 8: Error Control 283 Following best practices 283 Exception handling 283 Getting started 284 Try and catch 284 The "finally" expression 285 Strategies 286 Asynchronous patterns 267 AsyncCompletedEventArgs 287 ExceptionRoutedEventArgs/UnhandledExceptionEventHandler 288 Global exception handling 289 Understanding the exception types 289 Fatal exception 290 Boneheaded exceptions 290

7 Vexing exceptions 290 Exogenous exceptions 290 Logging 291 Enterprise application framework 292 Architecture 292 Practice 294 Exception handling 297 PostSharp 299 Reporting bugs 304 Architecture 304 Service implementation 305 Client implementation 307 LOB application case study: applying what we have learned 308 Server side 309 Client side 311 Summary 314 Additional resources 315 Chapter 9: Integration with other Web Applications 317 Page architecture 318 Communication between an ASPX page and Silverlight 318 Accessing Silverlight from JavaScript 322 Exposing methods and functions 323 Returning complex data 323 Registering a Silverlight object 324 Accessing JavaScript from Silverlight 325 HtmlPage object 325 DOM handling from Silverlight 326 HtmlDocument 326 HtmlElement 326 Interaction between Silverlight and JavaScript 327 Address book 328 Visual Studio solution 330 Login page 332 Contact list 332 Contact edition 334 Calling JavaScript code 335 LOB application case study: applying what we have learned 336 Summary 339 Additional resources 339

8 Chapter 10: Consuming Web Services 341 Definitions 342 Implementing and consuming a WCF service 343 Proposal for sample projects 344 Building the server 345 Enabling WCF service for Silverlight Designing the client Ul 350 Referencing a WCF service from client 351 Consuming a WCF service from Silverlight 354 Using complex types via WCF 355 Consuming a public API web service 357 Twitter API 358 Starting the Twitter project 358 Calling the Twitter API 360 Processing JSON format 360 LOB application case study: applying what we have learned 362 Implementation of the service client 364 Summary 367 Chapter 11: Security 369 Client-side security 369 Critical information 370 Signing assemblies 370 XAP and certificates 372 XAP and obfuscation 374 Server-side and communication security 374 Validations 374 Cross-domain calls 375 Security in our communications 376 Authentication and authorization with RIA Services 377 Authentication 377 Authorization 379 Authentication and authorization in WCF Services 381 Protecting communications with SSL 382 LOB application case study: applying what we have learned 383 Server side 383 Client side 385 Summary 387 Additional resources 387 Index 389