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Learning PrimeFaces Extensions Development
Learning PrimeFaces Extensions Development

Learning PrimeFaces Extensions Development: This book covers all the knowledge you need to start developing extended or advanced PrimeFaces applications. With lots of screenshots and a clear step-by-step approach, it makes learning an enjoyable process.

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Learning PrimeFaces Extensions Development

Chapter 2. Enhanced Form and Editor Components

The PrimeFaces core library provides a huge variation of form components, ranging from basic InputText components to complex editor components in JSF applications. To make these form components validate against the proper results, the PrimeFaces library came up with basic message components and an advanced client-side validation framework. Even though the PrimeFaces core suite provided a wide range of form elements, the PrimeFaces Extensions library introduced new and enhanced form components that include high-level validations to make the PrimeFaces form elements and their validations more powerful.

In this chapter, we will cover the following topics:

  • Introducing the JobHub application, requirements, and design

  • The commonly used input components and their features

  • Advisory tooltips, remoteCommand components, and their features

  • Working with advanced dynamic forms and editor components

Introducing the JobHub application, requirements, and design


In this section, we will discuss the design and functionality of the JobHub application and the implementation of the JobHub application to clearly explain the enhanced PrimeFaces Extension components.

The JobHub application

The JobHub application is a job portal-like application where jobseekers can read job posts and apply for the jobs they are interested in; these jobs are posted by various employers all over the world.

The JobHub application provides a role-based access control security mechanism with the following three types of users:

  • JobSeeker

  • Employer Representative

  • Administrator

To make the login process easier for the preceding roles, both the username and password values are configured as the same value. The user IDs for these roles are jobseeker, employer, and admin respectively.

Based on each user role, each type of user will have a different action or flow in the JobHub application. This is explained with the help of UML...

The commonly used input components and their features


The PrimeFaces Extensions team created some basic form components that are frequently used in registration forms. These frequently used components are the InputNumber component that formats the input fields with numeric strings, the KeyFilter component for filtering the keyboard input whereas select components such as TriStateCheckbox and TriStateCheckboxMany are used for adding a new state to the select Boolean checkbox and Many checkbox components in an order.

Understanding the InputNumber component

The InputNumber component can be used to format the input form fields with custom number strings. The main features of this component include support for currency symbols, min and max values, negative numbers, and many more rounding methods. The component development is based on the autoNumeric jQuery plugin.

The InputNumber component features are basically categorized into two main sections:

  • Common usage

  • Validations, conversions, and rounding...

Advisory tooltips, remoteCommand components, and their features


The advisory tooltips and remoteCommand components work as helper components for other input components.

Tooltips

Tooltips provide advisory or additional information about a particular component used in JSF-based applications. This advisory information can prove helpful before you enter valid input data or perform any operation, and also for displaying a validation message after the validation has failed on an input component.

Tooltips work as speech bubble tips and provide highly configurable features such as customized tooltips in the form of customized skinning and effects, global and global limited tooltips, shared, and mouse-tracking features.

Customized tooltips and mouse tracking

There are many customization options such as positioning, delays, events, and effects that are available for the tooltip component. This shows an advantage over the standard JSF tooltips provided by the component title attribute.

The following XHTML...

Working with advanced dynamic forms and editor components


This section explains the advanced Dynaform component for dynamic form creation and editor components such as CKEditor and codeMirror for a user-friendly interface.

DynaForm

The JSF or PrimeFaces panelGrid component can be used to create static forms based on the column count, row count, and positions of the elements. However, the panelGrid component is not useful for dynamic form creation at runtime. For example, the dynamic forms will be very helpful if the form is placed in a database or XML file.

The DynaForm component was created to achieve dynamic forms that include labels, input, select components, and many other form components with the help of model creation.

The following are the major features of this component:

  • Extended view or grid area

  • Open or close state saving

  • Auto submit functionality

  • Various facets – regular, extended, and button bar

  • JavaScript widget functions

The DynaForm component will be created with the help of the parent...

Summary


In this chapter, you have been introduced to enhanced form input components such as InputNumber, KeyFilter, TriState checkboxes, tooltip, remoteCommand, and their major features. You also learned about the advanced Dynaform and editor components, such as CKEditor and CodeMirror, for user-friendly interfaces.

In the next chapter, we will take a detailed look at the Layout components, Scroll context components such as WayPoint, components for layout design, blocking the user interface in web pages, and looking at their role in application development.

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What you will learn

  • Create frequently used enhanced form components and advanced editor components in the form filling applications
  • Design the web page structure and improve the web user interface using screen blocking components
  • Organize and manipulate events with time tracking components
  • Generate a wide range of data reports in various file formats and image manipulation components
  • Explore the extended data container, cascading components, and QR codes for ecommerce applications
  • Enhance web development using utility components, exception handlers, and Maven plugins
  • Learn more about the features of the PrimeFaces Extensions component library and their role in PrimeFaces application development

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Publication date : Mar 26, 2014
Length: 192 pages
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Publication date : Mar 26, 2014
Length: 192 pages
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Table of Contents

7 Chapters
Introducing PrimeFaces Extensions Chevron down icon Chevron up icon
Enhanced Form and Editor Components Chevron down icon Chevron up icon
Layout and Screen Blocking Components Chevron down icon Chevron up icon
The Enriched Data Container and QR Code Components Chevron down icon Chevron up icon
Time Tracking and Scheduling Components Chevron down icon Chevron up icon
Extended Data Reporting and Image Components Chevron down icon Chevron up icon
Common Utility Solutions, Error Handling, and Plugins Chevron down icon Chevron up icon

Customer reviews

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Massera Riccardo May 18, 2014
Full star icon Full star icon Full star icon Full star icon Full star icon 5
PrimeFaces users already have lots of useful components at their disposal.However there are many circumstances where you might miss a component and feel the need to work with extended features."Learning PrimeFaces Extensions Development" shows you how you can increase your productivity and create a better user experienceusing the extra components and functions available in many scenarios.It starts helping the reader to set up a project to use PrimeFaces Extensions,then it describes in a clear and concise manner the components with tips and tricks that you don't find in the online documentation.The book is well organized in chapters that deal with specific aspects of the example application and showing how the Extensions components help its development.A final chapter explains some advanced topics and how to use the Maven resource optimizer plugin.In summary, I found this book very useful for people that are already using PrimeFaces but never had a chance to try PrimeFaces Extensionsand are willing to learn to develop with it quickly.
Amazon Verified review Amazon
Alexander Krasov Apr 21, 2014
Full star icon Full star icon Full star icon Full star icon Empty star icon 4
If you are looking beyond the standard PrimeFaces components and want more of them, you're probably already found out the PF Extensions project that greatly extends the stock PF abilities. This book will give you a quick but comprehensive way to learn these goodies, you'll find yourself learning and using them ASAP. Please notice, that some of these components are being merged to the main PF project as time passes by, we already got PF5 RC1 and probably will get the final one in 2 weeks, so this edition may loose some of its' relevancy rather quick. But this is hardly a con, giving the dynamic nature of the whole programming world :)
Amazon Verified review Amazon
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