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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

AJAX-enhanced drag and drop


The user's client-side drag and drop interactions can be posted to the server. Drag and drop has only one (default) AJAX behavior event provided by the droppable component, which is processed when a valid draggable component is dropped. That is the drop event. If we define a listener, it will be invoked by passing an event instance of the type org.primefaces.event.DragDrop as parameter. This parameter holds information about the dragged and dropped components. Through this information, the server-side state of the draggable/droppable items can be updated.

In this recipe, we will develop a workflow simulating the process of pizza ordering. The pizza ordering should occur by drag and drop. Users should be able to select any available Turkish pizza and drag and drop it onto the order list. The remove functionality, capable of drag and drop, should be included as well. For this purpose, we will implement a trash for the items removed from the pizza items in the order...

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