Beginning Google Web Toolkit

From Novice to Professional

By: Bram Smeets, Uri Boness, Roald Bankras

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Paperback | 2 August 2011

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264 Pages

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Over the last couple of years, we've noticed that our customers have gotten more demanding when it comes to the usability of their web applications. Inspired by the "web 2.0" trend and applications such as Gmail and the like, we've tried many approaches to building these rich Internet applications (RIAs). But all of these had one big flaw: they required us to learn a different language, including adhering to a whole new set of conventions and best practices. Only with the introduction of Google Web Toolkit (GWT) have we begun to feel confident about building this kind of application in a maintainable fashion. This book introduces GWT within the context just described, and will guide you through the first steps of using it to build real-world applications. The goal is to get you as a Java developer up to speed quickly by providing just enough background and a lot of hands-on code samples. During the course of the book, we'll guide you through the different aspects of GWT that we feel are important, and leave out the ones we feel are out-of-scope for beginners. Most of the code samples will gradually build to make up a real-world sample application that allows you to manage your tasks using a web application. After reading this book, you'll be equipped with the necessary knowledge and tools to start building real-world applications using GWT.

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You Can Find This Book In

Non-Fiction Computing & I.T.Computer Programming & Software Development Object-Oriented Programming or OOP Graphical & Digital Media Applications Web Graphics & Design Digital Lifestyle & Online World: Consumer & User Guides Internet Guides & Online Services Web Programming Software Engineering Databases

About the Authors	p. xiii
About the Technical Reviewer	p. xv
Acknowledgments	p. xvii
Introduction	p. xix
Introducing Rich Internet Applications (RIAs)	p. 1
A Short History	p. 1
Mainframe Applications	p. 2
Client/Server Applications	p. 3
Web Applications	p. 3
Rich Web Applications	p. 4
Introducing Ajax	p. 5
Asynchronous	p. 5
JavaScript	p. 8
XML	p. 9
From AJAX to Ajax	p. 11
Advantages and Disadvantages of RIAs	p. 12
RIA Benefits	p. 13
RIA Shortcomings	p. 13
When Should You Use Ajax?	p. 14
Different Approaches to Building RIAs	p. 14
Handwritten JavaScript	p. 14
Flex	p. 15
Java Applets and JavaFX	p. 16
Silverlight	p. 17
OpenLaszlo	p. 17
Echo2	p. 18
GWT	p. 19
Summary	p. 19
Introducing Google Web Toolkit (GWT)	p. 21
Why GWT?	p. 21
From JavaScript to Java	p. 21
Considerations for Using GWT	p. 22
The Basics	p. 23
Java to JavaScript Compiler	p. 23
JRE Emulation Library	p. 25
UI Library	p. 29
GWT Application Layout	p. 31
Module Descriptor	p. 32
Public Resources	p. 34
Introducing the Sample Application	p. 36
Handy Development Tools	p. 38
Web Developer Add-on	p. 38
Firebug	p. 40
LiveHTTPHeaders	p. 42
Cacheability Engine	p. 43
Summary	p. 43
Getting Started	p. 45
Installing GWT	p. 45
Project Structure	p. 47
Utility Scripts	p. 48
Application Creator Script	p. 48
Project Creator Script	p. 50
Writing Code	p. 50
Cleaning Up Generated Code	p. 51
Start Coding	p. 51
Running Code	p. 52
Styling Code with CSS	p. 54
Debugging	p. 56
Summary	p. 57
GWT UI Components	p. 59
GWT Component Model	p. 60
The RootPanel	p. 61
Basic Widgets	p. 62
The Label Widget	p. 62
The HTML Widget	p. 63
The Button Widget	p. 64
The ToggleButton Widget	p. 65
The Hyperlink Widget	p. 67
Form Widgets	p. 68
Panels	p. 78
Creating the Sample Application	p. 79
Designing the Main Look and Feel of GWTasks	p. 79
Showing the Categories and Task Lists	p. 82
Enhancing the User Experience with HorizontalSplitPanel	p. 85
Summary	p. 87
Building an Advanced UI	p. 89
Using Tables	p. 89
Using Grid	p. 89
Using FlexTable	p. 91
Climbing Trees	p. 94
Using PopupPanel and DialogBox	p. 97
PopupPanel	p. 97
Using DialogBox	p. 99
Componentizing the Code Base	p. 101
Extending GWT Panels	p. 101
Using Composites	p. 105
Creating the TitledPanel Component	p. 113
LoginPane and MainPane-The Missing Components	p. 122
GWT Application Architecture	p. 125
Layers and Packages	p. 126
Application Events	p. 129
Managing the Data	p. 133
Some Last Words on Styles	p. 139
Summary	p. 139
Server Integration	p. 141
GWT RPC	p. 141
Defining the Interface	p. 141
Implementing the Server Side	p. 144
Implementing the Client Side	p. 145
Alternatives to GWT RPC	p. 149
Basic Ajax	p. 149
JSON	p. 151
Summary	p. 156
Testing GWT Applications	p. 157
What Is Testing?	p. 157
Unit Testing	p. 158
Basic Unit Testing	p. 158
GWT JUnit Integration	p. 161
Comparing Basic and GWT Unit Testing	p. 164
Functional Testing	p. 164
Introducing Selenium	p. 165
Benchmarking	p. 181
What Is Benchmarking?	p. 182
Writing a Benchmark	p. 182
Summary	p. 186
Advanced Topics	p. 187
Internationalization (i18n)	p. 187
A Few Words on Java Resource Bundles	p. 188
The Constants Interface	p. 189
The ConstantsWithLookups Interface	p. 192
The Messages Interface	p. 194
Formats	p. 196
Image Bundles	p. 197
Using Image Bundles Within GWTasks	p. 199
Tree Image Bundles	p. 202
Browser History and Back Button Support	p. 203
GWT History View	p. 204
The History Class	p. 205
Revisiting Hyperlinks	p. 207
Bookmark Support	p. 208
Integrating GWTasks with History Navigation	p. 208
JavaScript Native Interface (JSNI)	p. 211
Writing Native JavaScript Methods	p. 211
Calling GWT Methods from JavaScript	p. 213
Exception Handling	p. 214
Uploading Files	p. 215
Monitoring Progress on the Server	p. 218
Monitoring Progress on the Client	p. 219
Summary	p. 220
IDE Support	p. 223
Eclipse	p. 223
IntelliJ IDEA	p. 226
Resources	p. 229
Index	p. 231
Table of Contents provided by Ingram. All Rights Reserved.

Beginning Google Web Toolkit

From Novice to Professional

At a Glance

Paperback

Shipping

How to return your order

Defective items

You Can Find This Book In

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