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

Customizing theme styles


How to customize theme styles is one of the most asked questions by the PrimeFaces users. There are simple rules to be followed to overwrite bundled theme styles with custom CSS. There is no need to edit bundled themes and repackage theme JAR files.

In this recipe, we will present two examples for theme customization—one for SelectOneMenu and another for the Tree component. We will see how to change styles for a particular component or for all components of the same type. Furthermore, we will learn tips for where to place custom CSS in order to overwrite the PrimeFaces styles.

How to do it...

Let's set a fixed width for p:selectOneMenu and remove the background and border for p:tree. The default width of p:selectOneMenu is calculated at runtime. That means, the width of p:selectOneMenu is dynamic and depends on its content (select items). Large select items cause large p:selectOneMenu. A fixed width would show a better (from visual point of view) p:selectOneMenu for...