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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

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Product type Paperback
Published in May 2015
Publisher
ISBN-13 9781784393427
Length 412 pages
Edition 1st Edition
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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

Spinner – different ways to provide input


The input component spinner 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="#{spinnerBean.intValue}" />

This will render an input textbox on the page, with controls to increase and decrease the value as shown in the following screenshot:

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="#{spinnerBean.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 a prefix or suffix to the input respectively. The first definition will render the $ sign as a prefix, and the second one will render the % sign as a suffix with the value of the input field:

<p:spinner value...
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