By Vipul Gupta

ISBN-10: 1430206160

ISBN-13: 9781430206163

ISBN-10: 1590599756

ISBN-13: 9781590599754

Ajax is an internet improvement strategy that takes benefit of JavaScript to demonstrate and engage dynamically with details embedded right into a website. Its emergence has made it attainable to create internet purposes that heavily resemble their desktop–based brethren. With this intriguing new skill got here numerous demanding situations; not just did builders need to study JavaScript, yet they have been additionally compelled to take advantage of inefficient improvement approaches, let alone take care of cross–platform and browser problems. yet with the discharge of Google internet Toolkit (GWT), Java builders may be able to proceed utilizing their favourite language to put in writing robust Ajax functions whereas utilizing not just the Java language, but additionally the exact same improvement instruments they’re already utilizing on an everyday basis!

Serious Java builders eager to write Ajax functions utilizing GWT can count on a fast–paced, but thorough, advent to GWT from Java specialist Vipul Gupta. You’ll achieve key insights into the GWT framework’s functions and will depend upon transparent guideline that might provide help to comprise GWT into your day-by-day improvement regimen within the most well known manner. Accelerated GWT introduces you to the preferred GWT framework in a manner that would let you commence utilizing GWT briefly order. Forgoing superfluous introductions to JavaScript and Ajax, you’ll as an alternative be immersed in GWT basics from the first actual bankruptcy. next chapters talk about key GWT thoughts corresponding to structure, widgets, and RPC. knowing you’ll are looking to successfully combine GWT into your improvement workflow, the writer additionally devotes time to sound GWT software layout, checking out, and internationalization issues.

What you’ll learn

  • Use GWT’s distant strategy name (RPC) functions to drastically increase the consumer adventure by way of optimizing software functionality
  • Go past simple syntax basics to profit tips on how to so much successfully layout and try out your GWT purposes
  • Build advanced interfaces via making the most of GWT’s complicated widget choices

Who this ebook is for

Java–minded internet builders looking to include Ajax functions into their net functions with no sacrificing sound improvement rules.

Table of Contents

  1. GWT fundamentals and a primary program
  2. GWT structure and inner positive factors
  3. UI Programming: uncomplicated Widgets
  4. Communication: RPC
  5. UI Programming: dealing with occasions and utilizing AdvancedWidgets
  6. Communication: complex suggestions
  7. Testing GWT functions
  8. Internationalizing Your purposes: A modern day truth
  9. Some very important, Not-to-Be-Missed recommendations
  10. Peeking Into the impending GWT 1.5 unencumber

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Additional resources for Accelerated GWT: Building Enterprise Google Web Toolkit Applications

Example text

Any number of such values may be introduced by adding them to the comma-separated list of values. Here’s an example: This feature is most used in specifying locales for your application during internationalization. You will learn more about internationalization and using this property in Chapter 8. Creating the Host HTML File Listing 1-7 shows a sample startup HTML file that demonstrates how to add the GWT module to your application so that it is loaded when your application is started.

Cmd on the command prompt to execute the application. You will see the hosted browser being loaded and the application running. Listing 1-4 shows the snippet with the script being used to run the application. Listing 1-4. cmd mentioned previously. You can enable autocompile in the Eclipse IDE by select the Project ➤ Build Automatically option if it is not enabled already. This entire book will assume that this option is enabled and the project is fully built before running the application. Figure 1-3 and Figure 1-4 show the result of running the application in hosted mode by running the script in Listing 1-4.

Eventually this method will be compiled to JavaScript by using the GWT compiler and will be called when the page containing the link to this module is loaded. In this method definition, I have created a label in which the news-entry text will be shown. I have also created a Timer object and scheduled it to run every two seconds. Timer) class in the GWT library serves the same purpose as the Timer class in the Java library and has been implemented to be safe across the various browsers. qxd 3/27/08 3:37 PM Page 21 CHAPTER 1 ■ GWT BASICS AND A FIRST APPLICATION The getNewsEntry() method as shown here just uses the Random class to get an index into the newsEntries array, and then the getNewsEntry() method returns the string at that array location.

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Accelerated GWT: Building Enterprise Google Web Toolkit Applications by Vipul Gupta

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