Table of Contents
Joomla! Accessibility
Credits
About the Author
About the Reviewers
Preface
What This Book Covers
Who is This Book for
Conventions
Reader Feedback
Customer Support
Errata
Questions
1. Why be Accessible?
Defining Accessibility
Understanding Your Users
Dealing with Change
Think Different
What Are the Benefits of Accessibility?
Accessibility Legislation
Irish Legislation
Accessible Procurement
Laws and Public Policies in Other Countries
UK Legislation
The US and Section 508/504
So What's the Big Deal with 508?
The European Union (EU) and e-Accessibility
eEurope Action Plan
e-Inclusion Policy
European Policy and the Future
So What Does It All Mean to You?
Summary
2. Understanding Accessibility
What Will Joomla! Not Do?
Usability
User Testing
Using Personas
Building Personas
Understanding Accessibility
Being Accessible Doesn't Hurt
WCAG 1.0
Differences Between WCAG 1.0 and WCAG 2.0
Principle 1âContent Must be Perceivable (P)
Principle 2âInterface Elements must be Operable (O)
Principle 3âContent and Controls must be Understandable (U)
Principle 4âContent Should be Robust Enough to Work with Current and Future Technologies (R)
Understanding WCAG
Summary
3. Understanding Disability and Assistive Technology (AT)
Blindness
Visual Impairment
Glaucoma
Macular Degeneration
Retinopathy
Detached Retina
Physical Disabilities
Cognitive Disabilities
Assistive Technology (AT)
What is a Screen Reader?
Screen Magnification
Switch Access
How Do Switches Work?
Mouse Emulation
Useful Tools for Developers
Web Accessibility Tools Consortium (WAT-C)
Mozilla Web Developer Toolbar
Sitting Comfortably? Then we'll Begin
Exercise 1â"No Frills" Browsing
If You are Using Firefox
Internet Explorer
ActiveX
Disabling JavaScript and Java in IE
Flash content
Mouse Free Zone
The Acid Test
FinallyâWas It Good for You?
Try it yourself
Exercise 2âTurn Off Your Display
Summary
4. Creating Accessible Content
Describe What it is, Not How it Looks
All the (X)HTML You Need in Two Minutes
Using Headings to Communicate Structure
Time For ActionâLet's Add Some Content
What Just Happened?
Time for ActionâAdding Headings with WYSIWYG
What Just Happened?
Time for ActionâAdding Headings by Editing the HTML
Add Frequent Headings to Assist the Screen Reader
How to Use Different Levels of Headings
Another Important Element
Lists
Time for ActionâAdding Lists
What Just Happened?
Make Images Accessible
Description Anxiety
Time for ActionâAdding Alternate Text to an Image
What Just Happened?
Choosing Good Alternate Text for Images
What is Good Alternate Text?
Ignoring Purely Decorative Images
Charts, Graphs, and Infographics
Describing Photographs
Time for actionâUsing longdesc
What Just Happened?
Good Link Text Assists Accessibility
Creating Accessible Tables
The Trouble with Tables
Time for ActionâCreate an Accessible Table (Part 1)
What Just Happened?
Time for ActionâCreate an Accessible Table (Part 2)
What Just Happened?
Does it Work?
Time for ActionâCreate an Accessible Table (Part 3)
Putting it All Together
What Just Happened?
Does Joomla! Have Good Table Manners?
Summary
5. Creating Accessible Templates
Understanding How Joomla! Templates Work
Separation AnxietyâLayout Tables, HTML, and CSS
Joomla! 1.0 Used Tables for Layout, So What's the Problem?
Why Are Tables Bad for Layout?
Building a Standards-Compliant Joomla! Template from Scratch
What Modules Do I Need?
Color scheme
Ensure Good Color Contrast for Your Site
Icons and Graphics
Create a Mock Up If Possible
Roll Your Own Accessible Joomla! Template
Using Dreamweaver
Set Up FTP Server Connection to Your Local Host
Create a Template for Your Template
A Few More Steps, Before We Get Going with Coding Our New Template
Selecting Your Template
Choosing the Correct DOCTYPE
What's up DOC?
XHTML Rules
Just One More Thing
Putting It All Together
Basic Template Layout
CSS Scaffolding
My CSS Layout
Just Before We Add Any Content Modules
Adding Content Modules
Module Options
Finishing the Template
Advantages of Joomla! Templates
Editing Joomla! Templates
Resizable Text
How to Make Sure That Text Will Resize
Without a Mouse
Highlighting Links
Some Basic Link Styles
Skip Navigation
Accessible Templates
Summary
6. Using XStandard to Create Accessible Content
Choosing Your Editor
The XStandard Interface
Styles Menu
Tool buttons
View modes
Browser Preview
Screen Reader Preview
Help
Context Menu
Removing The "Noise" From Markup
Using Correct Markup
Relative Values
Decorative Versus Non-decorative Images
Data Tables
Create a Table
Edit Tables Using the Table Properties Dialog Box
Edit Tables Using the Context Menu
Abbreviations
Screen Reader Preview
What is Screen Reader Preview?
Using the Screen Reader Preview
Interface Accessibility
Keyboard Shortcuts
More Tiny MCE
Summary
Index
Copyright © 2007 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 author, 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: October 2007
Production Reference: 1231007
Published by Packt Publishing Ltd.
32 Lincoln Road
Olton
Birmingham, B27 6PA, UK.
ISBN 978-1-847194-08-4
www.packtpub.com
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