Book Image

PrimeFaces Cookbook

Book Image

PrimeFaces Cookbook

Overview of this book

PrimeFaces is the de facto standard in the Java web development. PrimeFaces is a lightweight library with one jar, zero-configuration, and no required dependencies. You just need to download PrimeFaces, add the primefaces-{version}.jar to your classpath and import the namespace to get started. This cookbook provides a head start by covering all the knowledge needed for working with PrimeFaces components in the real world. "PrimeFaces Cookbook" covers over 100 effective recipes for PrimeFaces 3.x which is a leading component suite to boost JSF applications. The book's range is wide‚Äí from AJAX basics, theming, and input components to advanced usage of datatable, menus, drag & drop, and charts. It also includes creating custom components and PrimeFaces Extensions.You will start with the basic concepts such as installing PrimeFaces, configuring it, and writing a first simple page. You will learn PrimeFaces' theming concept and common inputs and selects components. After that more advanced components and use cases will be discussed. The topics covered are grouping content with panels, data iteration components, endless menu variations, working with files and images, using drag & drop, creating charts, and maps. The last chapters describe solutions for frequent, advanced scenarios and give answers on how to write custom components based on PrimeFaces and also show the community-driven open source project PrimeFaces Extension in action.
Table of Contents (17 chapters)
PrimeFaces Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

Spinner – different ways to provide input


spinner is an input component that provides a numerical input via increment and decrement buttons.

How to do it...

A basic definition of the component would be as follows:

<p:spinner value="#{spinnerController.intValue}" />

This will render an input text box on the page, with controls to increase and decrease the value.

There's more...

The stepFactor attribute defines the stepping factor that will be applied for each increment and decrement with the default value 1. The following definition will increase or decrease the value by 0.5.

<p:spinner value="#{spinnerController.doubleValue}" stepFactor="0.5" />

Adding prefix and suffix

The prefix and suffix attributes provide the ability to place fixed strings on the input field as prefix or suffix to the input respectively. The first definition will render the $ sign as a prefix and second one will render the % sign with the value of the input field.

<p:spinner value="#{spinnerController.intValue...