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    ZK Developer's Guide
    ZK Developer's Guide
    ZK Developer's Guide
    Ebook336 pages1 hour

    ZK Developer's Guide

    By Schumacher Hans-Jurgen and Markus Stauble

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    In Detail


    ZK is an open-source web development framework that enables web applications to have the rich user experiences and low development costs that desktop applications have had for years. ZK includes an Ajax-based event-driven engine, rich sets of XML User Interface Language (XUL) and XHTML components, and a markup language.

    The ZK rich client framework takes the so-called server-centric approach: the content synchronization of components and the event pipelining between clients and servers are automatically done by the engine and Ajax plumbing codes are completely transparent to web application developers. Therefore, the end users get rich user interfaces with similar engaged interactivity and responsiveness to that of desktop applications, while for programmers, development remains similar in simplicity to that of desktop applications.

    This book is a Developer's Guide that steps you through the ZK framework with examples. It starts with installing and configuring ZK and takes you on to integrate it with other frameworks. By the time you are through the book you will be able to build an application on your own.

    LanguageEnglish
    PublisherPackt Publishing
    Release dateMar 28, 2008
    ISBN9781847192011
    ZK Developer's Guide

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      Book preview

      ZK Developer's Guide - Schumacher Hans-Jurgen

      (missing alt)

      Table of Contents

      ZK Developer's Guide

      Credits

      About the Authors

      About the Reviewers

      Preface

      What This Book Covers

      What You Need for This Book

      Who is This Book For?

      Conventions

      Reader Feedback

      Customer Support

      Downloading the Example Code for the Book

      Errata

      Questions

      1. Getting Started with ZK

      What is ZK?

      XHTML

      XUL

      ZUML

      First Step: Say Hello to ZK

      Inside ZK—How ZK Works

      The Three Relatives—Desktop, Page, and Component

      Identification in ZK

      Loading and Updating a ZK Page

      Phase: Page Initial

      Phase: Component Creation

      Phase: Event Processing

      Phase: Rendering

      Phase: Request Processing

      Phase: Event Processing

      Phase: Rendering

      Events in ZK—Listening and Processing

      What is the Priority?—The Order of Event Processing

      How Can We Parallelize Event Listeners?

      Event Processing Thread—Initialize and Cleanup

      Event Types

      ZUML - ZK User Interface Markup Language

      Molds

      ZK Attributes

      ZK Elements

      Layout Techniques

      Separation of Concerns

      Configuration and Deployment

      Configuration of web.xml

      Configuration of zk.xml

      Deployment

      Deployment of ZK Applications with Maven

      Summary

      2. Online Media Library

      An Online Media Library

      Setting up Eclipse to Develop with ZK

      Setting up a New Project

      Creating the Pages

      Summary

      3. Extending the Online Media Library

      AJAX—Live Data

      Updating at the Right Place

      Optimize the Result Presentation

      Improve Navigation Inside the Data

      Some Candies for the User

      Summary

      4. Is it on the Desktop or on the Web?

      Adding Drag-and-Drop

      Adding a Login Page

      Extending Add and Update

      Internationalization with the ZK Framework

      Summary

      5. Integration with Other Frameworks

      Integration with the Spring Framework

      Hibernate

      JasperReport

      ZK Mobile

      ZK JSP Tags Library

      ZK JSF Components

      Binding to a Backing Bean

      ValueBinding of a component

      Summary

      6. Creating Custom Components

      Cascading Style Sheets (CSS)

      Macro Components

      Creating Our Own Component

      Summary

      7. Development Tools for the ZK Framework

      ZK-Bench

      Dynamic Preview of Pages

      The Palette

      Databinding

      Deployment

      Snippets

      Project Explorer

      Snapshot Gallery

      Summary

      A. Configuration Files in ZK

      WEB.XML

      zk.xml

      Configuration of ZK.XML

      Tag

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      Index

      ZK Developer's Guide

      Markus Stäuble

      Jurgen Schumacher

      ZK Developer's Guide

      Copyright © 2008 Packt Publishing

      All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

      Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the authors, Packt Publishing, nor its dealers or distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

      Packt Publishing has endeavored to provide trademark information about all the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

      First published: March 2008

      Production Reference:1170308

      Published by Packt Publishing Ltd.

      32 Lincoln Road

      Olton

      Birmingham, B27 6PA, UK.

      ISBN 978-1-847192-00-4

      www.packtpub.com

      Cover Image by Vinayak Chittar (<vinayak.chittar@gmail.com>)

      Credits

      Authors

      Markus Stäuble

      Hans-Jürgen Schumacher

      Reviewers

      Razvan Remus Popovici

      Christianto Sahat Kurniawan Hutasoit

      Development Editor

      Rashmi Phadnis

      Technical Editors

      Bhupali Khule

      Shailendra Shetye

      Editorial Team Leader

      Mithil Kulkarni

      Project Manager

      Abhijeet Deobhakta

      Indexer

      Monica Ajmera

      Proofreader

      Chris Smith

      Production Coordinator

      Aparna Bhagat

      Cover Designer

      Aparna Bhagat

      About the Authors

      Markus Stäuble is currently working as Senior Software Engineer. He has a Master's degree in Computer Science. He started with Java in the year 1999, since when he has gained much experience in building enterprise Java systems, especially web applications. He has a deep knowledge of the Java platform and the tools and frameworks around Java.

      There are several people who have supported the writing of my first book. But there is especially one person to whom I want to say thank you, my wife Maria Elena. She supported the writing very much and gave me the power and energy to finish that work.

      Hans-Jürgen Schumacher studied mathematics at the University of Karlsruhe, Germany. For 17 years he has been working as a Software Developer and Architect. Right now he has the position of a Senior Architect for J2EE. One of his special fields are GUIs for web applications as well as Improvements in the Software Build process.

      I would like to thank my son Samuel, who was just born at the right time and gave me the power to finish this book.

      About the Reviewers

      Razvan Remus Popovici owns a BS degree in Computer Science from Transylvania University of Brasov, Romania in 1999. His software development experience consists of more than 10 years in application and database design, client-server or multi-tier application development in various domains such as networking, communications, accounting, statistics, management, or bioinformatics. His entrepreneurial background consists in a start-up with an accounting software company in Romania in 1996 (which is still selling!) and experience as an independent contractor in Germany.

      Currently employed full time at Wayne State University in Detroit, Razvan is involved in architecture, design, and development of OntoTools, a software application for statistics analysis of microarray experiments used by genetics researchers.

      Razvan owns Software Ingenieurbuero Popovici in Germany; the company is a sub-contractor for development of a product that enables enterprises to implement ITIL (Information Technology Infrastructure Library) concepts.

      Previously, Razvan worked for many companies, such as Siemens, Nokia Siemens Netwoks, matrix42 AG, HLP, Exody GmbH, ROUTE66 BV, and RCS SA.

      I would like to thank my wife Mihaela for her support while reviewing this book, and my parents.

      Christianto Sahat Kurniawan Hutasoit is an independent Java developer. He has been playing with Java and JEE since 2001, and is already working for different Java projects in Indonesia, Germany, and Singapore. He can be reached at <csahat@gmail.com>.

      For my mum, S. Resmiana Limbong. Thanks for your struggle.

      Preface

      ZK is an open-source web development framework that enables web applications to have the rich user experiences and low development costs that desktop applications have had for years. ZK includes an AJAX-based event-driven engine, rich sets of XML User Interface Language (XUL), and XHTML components, and a markup language (ZUML).The ZK rich client framework takes the so-called server-centric approach: the content synchronization of components and the event pipelining between clients and servers are automatically done by the engine and AJAX plumbing codes are completely transparent to web application developers. Therefore, the end users get rich user interfaces with similar engaged interactivity and responsiveness to that of desktop applications, while for programmers, development remains similar in simplicity to that of desktop applications

      What This Book Covers

      In Chapter 1 we give an introduction to, and take a look behind the ZK framework. In the last section of this chapter, we show some important issues from the ZK User Interface Language (ZUML).

      In Chapter 2 we will implement a CRUD (Create—Read—Update—Delete) application. We will also design and implement the pages with the ZK framework.

      At the beginning of Chapter 3, we start with a simple CRUD application. The first thing we do here is to add some AJAX features to the application (live data). Here, we will learn many cornerstones provided by the ZK framework, and that we only have to implement some interfaces to use these features. We will move the application from a mixed code approach to a Model-View-Controller Architecture.

      Chapter 4 deals with the end of the third phase in the development of a CRUD application with the AJAX ZK framework. We start with a simple application, and extend it step by step. The application now has many features that you will need in other applications as well.

      Chapter 5 introduces the advantages and disadvantages of ZK. Then we will see how to integrate ZK with the Spring Framework and also why it is useful to do so. We will then move on to Hibernate and JasperReport.

      In Chapter 6 we will

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