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"Ryan clearly understands the GWT value proposition and how GWT integrates into a diverse web technology stack-and not just in a theoretical way. With the popularity of gpokr.com and kdice.com, Ryan can speak with the authority of concrete success."-Bruce Johnson, creator of Google Web Toolkit "This book distinguishes itself from other books on GWT in that it walks through the entire process of building several nontrivial GWT applications, not the toy applications that most books present."-R. Mark Volkmann, Object Computing, Inc."Google (TM) Web Toolkit Applications is an excellent resource for any GWT developer. Solutions to challenges commonly encountered in GWT are presented through the design and development of actual applications. The applications developed throughout the text demonstrate best practices from simple UI design all the way to custom code generation, and are presented with little pretext about the amount of Java knowledge a given developer may have. Advanced concepts are not withheld but are presented in a way that will be understood by both novice and seasoned developers alike. Good application development practices and proper Model View Controller design is reinforced throughout the book, nearly guaranteeing that the reader will come away a better programmer. "-Jason Essington, Senior Web/Java Engineer, Green River Computing"Dewsbury's Google (TM) Web Toolkit Applications is a book for both experts and beginner programmers who want to discover this open source Java software development framework, as well as write Ajax applications. A very detailed book!"-Massimo Nardone, Advisory IT Security Architect Accelerate and Simplify Ajax Development with Google Web ToolkitGet the edge you need to deliver exceptional user experiences with Google (TM) Web Toolkit Applications, a guidebook that provides web developers with core information and instructions for creating rich web applications. Whether you're a developer who needs to build a high-performance front end for Java, PHP, or Ruby applications, or to integrate with external web services, this resource from expert Google Web Toolkit (GWT) developer Ryan Dewsbury delivers the in-depth coverage you'll need.In this valuable book, insider Ryan Dewsbury provides instructions for using the robust tool set and gets you on your way to creating first-class web applications by providing a comprehensive overview of GWT technology. In addition, he shares his "in-the-trenches" insights onBuilding elegant and responsive user interfaces with Cascading Style Sheets and GWT's Widgets and PanelsCreating seamless user experiences through asynchronous communication with HTTP, REST, JSON/JSONP, and RPC Interoperating with web standards-such as XML, RSS, and Atom-and web services-such as Google Maps, Amazon Books, Yahoo! Search, Flickr, and BloggerOvercoming browser security restrictions, such as HTTP's two-connection limit and the Same-Origin policyAccelerating development, using software engineering, code generation, internationalization, application patterns, and Java toolsDeploying for optimal performance with resource compression and cachingBuilding five non-trivial applications: a gadget application with a rich drag-and-drop interface, a multi-search application that makes requests to many search engines, a blog editor application for managing entries across multiple blogs, a web-based instant messenger, and a database manager for a traditional web pageThis practical guide to GWT introduces you to the technology; provides techniques, tips, and examples; and puts you on the road to delivering top-notch user experiences for your web applications.
Contents
Preface xviiAbout the Author xxiiiPart IToolkit 1Chapter 1: First Steps with the Google Web Toolkit 3The Emergence of Ajax 3Rethinking Web Applications 5Software Engineering for Ajax 8Evaluating Your Background 11The Importance of Application Development Skills 14A Quick Tutorial 16Overview of Toolkit Packages 30Overview of GWT Applications 34Summary 36Chapter 2: User Interface Library Overview 37Static Widgets 38Form Widgets 47Complex Widgets 63Simple Layout Panels 70Complex Layout Panels 80Simple Container Panels 84Complex Container Panels 87User Interface Framework Glue 95Summary 103Chapter 3: Server Integration Techniques 105Basic Server Integration Techniques 105Using Data Format Libraries 117Third-Party Server Integration 125Advanced Server Integration Techniques 128Summary 137Chapter 4: Software Engineering for Ajax 139Setting Up the Development Environment 139Adding Projects to Eclipse 145Writing Java Code in Eclipse 149Debugging in Eclipse 158Organizing Your Application Structure 164Testing Applications 168Building and Sharing Modules 180Deploying Applications 183Summary 190Chapter 5: Using the Toolkit Effectively 191Using Asynchronous Programming 191Handling the Back Button 197Creating Elegant Interfaces with CSS 200Extending the Toolkit 212Internationalizing Applications 226Generating Code 235Improving Performance 242Summary 251Part II: Rich Web Applications by Example 253Chapter 6: Gadget Desktop Application 255Using the Container Application Pattern 256Designing the Model 257Building a Columned Container Interface 264Putting Gadgets in the View 274Creating Drag-and-Drop Gadgets 283Cleaning Up User Interfaces with CSS 290Adding Persistency 300Using Other JavaScript Libraries 309Summary 318Chapter 7: Multi-Search Application 319Using the Aggregator Application Pattern 319Multi-Search Design 321The Model 322The View 324The Controller 331Importing Structured Data Formats 334Integrating with Yahoo! Search 340Integrating with Google Base 344Integrating with Flickr Search 348Integrating with Amazon Search 354Summary 358Chapter 8: Blog Editor Application 361Using the Workspace Application Pattern 361Building a Web Service Client 363Blog Editor Design 365The Model 365Building a Multiple Document View 367Adding Rich Text Editing 381The LoadingPanel Widget 386The TitleCommandBar Widget 388Designing the Application Controller 390Building an HTTP Proxy Servlet 392Integrating with the Blogger API 401Summary 421Chapter 9: Instant Messenger Application 423Using the Collaborator Application Pattern 423Instant Messenger Design 425The Model 426Building a Complementary Interface 429The Controller Overview 447Using GWT-RPC 450Connecting to the Server 456Adding RPC Events 458The Instant Messenger Server 465Using Server-Side Advanced IO 470Summary 478Chapter 10: Database Editor Application 479Using the Manager Application Pattern 480Designing the Model 482Using Asynchronous Data Access Objects 485Building a Two-Paned Editor Interface 488Server Integration Overview 507Writing a Generic GWT Code Generator 510Integrating with Action-Based PHP Scripts 522Integrating with a RESTful Ruby on Rails Application 530Integrating with a GWT-RPC Servlet 542Summary 554Index 555
