Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Primefaces Cookbook Second Edition

You're reading from   Primefaces Cookbook Second Edition Over 100 practical recipes to learn PrimeFaces 5.x – the most popular JSF component library on the planet

Arrow left icon
Product type Paperback
Published in May 2015
Publisher
ISBN-13 9781784393427
Length 412 pages
Edition 1st Edition
Arrow right icon
Toc

Table of Contents (13) Chapters Close

Preface 1. Getting Started with PrimeFaces FREE CHAPTER 2. Theming Concepts 3. Enhanced Inputs and Selects 4. Grouping Content with Panels 5. Data Iteration Components 6. Endless Menu Variations 7. Working with Files, Images, and Multimedia 8. Drag Me, Drop Me 9. Creating Charts and Maps 10. Client-side Validation 11. Miscellaneous Advanced Use Cases Index

Programmatic updating and scrolling with RequestContext

RequestContext is an easy-to-use utility class that provides useful features. RequestContext is available for AJAX as well as non-AJAX calls. The most important features will be revealed in this book.

In this recipe, we will see how to specify components to be updated at runtime rather than specifying update targets at compile time declaratively. We will also see how to scroll to any component after the current AJAX request completes. Scrolling to the given component with AJAX updates is very handy when dealing with long pages and can increase the website's usability.

How to do it…

In the first example, we will develop a counter that will be incremented in an action listener. The current counter value will be displayed in two output components h:outputText. A decision as to which h:outputText component is responsible for the output is provided by the p:selectBooleanCheckbox checkbox. The user can decide at runtime whether...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime