Professional XMPP Programming with JavaScript and jQuery

Create real-time, highly interactive apps quickly with the powerful XMPP protocol

XMPP is a robust protocol used for a wide range of applications, including instant messaging, multi-user chat, voice and video conferencing, collaborative spaces, real-time gaming, data synchronization, and search. This book teaches you how to harness the power of XMPP in your own apps and presents you with all the tools you need to build the next generation of apps using XMPP or add new features to your current apps. Featuring the JavaScript language throughout and making use of the jQuery library, the book contains several XMPP apps of increasing complexity that serve as ideal learning tools.

• Learn about XMPP's instant messaging features, such as rosters, presence and subscriptions, and private chats

• Covers XMPP stanzas, stanza errors, and client protocol syntax and semantics

• Discusses service discovery, data forms, and publish-subscribe

• Addresses XMPP programming-related topics such as application design, event handling, and combining existing protocols

• Details the best ways to deploy XMPP-based applications

• Explains how to use Strophe's plugin system and how to create your own plugins

Wrox Professional guides are planned and written by working programmers to meet the real-world needs of programmers, developers, and IT professionals. Focused and relevant, they address the issues technology professionals face every day. They provide examples, practical solutions, and expert education in new technologies, all designed to help programmers do a better job.

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jQuery UI 1.7: The User Interface Library for jQuery

Modern web application user interface design requires rapid development and proven results. jQuery UI, a trusted suite of official plug-ins for the jQuery JavaScript library, gives you a solid platform on which to build rich and engaging interfaces with maximum compatibility and stability, and minimum time and effort.

jQuery UI has a series of ready-made, great-looking user interface widgets and a comprehensive set of core interaction helpers designed to be implemented in a consistent and developer-friendly way. With all this, the amount of code that you need to write personally to take a project from conception to completion is drastically reduced.

Specially revised for version 1.7 of jQuery UI, this book has been written to maximize your experience with the library by breaking down each component and walking you through examples that progressively build upon your knowledge, taking you from beginner to advanced usage in a series of easy-to-follow steps.

In this book, you'll learn how each component can be initialized in a basic default implementation and then see how easy it is to customize its appearance and configure its behavior to tailor it to the requirements of your application. You'll look at the configuration options and the methods exposed by each component's API to see how these can be used to bring out the best of the library.

Events play a key role in any modern web application if it is to meet the expected minimum requirements of interactivity and responsiveness, and each chapter will show you the custom events fired by the component covered and how these events can be intercepted and acted upon.

What you will learn from this book?

• How the brand-new CSS framework styles each of the library components
• Organizing different sections of related content as tabs and accordions to save space on your page while maximizing its content
• Displaying messages, images, and interactive content like forms using the dialog widget
• Using sliders for volume and color control of your applications by dynamically scrolling left and right, displaying different ranges
• Allowing your site visitors to select dates from the calendar using the date picker widget
• Adding an attractive and effective deterministic progress bar to give visitors essential feedback on how much longer a process has left to complete
• Providing a drag-and-drop mechanism to let users directly rearrange elements around the page
• Making a range of elements of a group selectable and taking collective actions on them
• Creating a page with content boxes that can be sorted into various positions to suit the visitor's personal preference
• Adding flair to your actions with animation effects

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