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by Tim Plummer
Learning Joomla! 3 Extension Development - Third Edition
Learning Joomla! 3 Extension Development - Third Edition
Table of Contents
Learning Joomla! 3 Extension Development - Third Edition
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Support files, eBooks, discount offers and more
Why subscribe?
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the example code
Errata
Piracy
Questions
1. Before you Start
Extension types and their uses
Plugins
Modules
Components
Languages
Templates
Libraries
Packages
Joomla! versions that your extensions should support
What's new in Joomla! 3
Licensing and GPL
What business model should I adopt?
Tools you need to develop the Joomla! extensions
Coding standards
Legacy MVC versus new MVC
Upgrading a Joomla! 2.5 component to make it Joomla! 3 compatible
To fork or not to fork?
Summary
2. Getting Started with Plugin Development
Plugin types
Plugin event triggers
Where do I start?
Creating the installation XML file
Creating the plugin PHP file
Zip it up and install your plugin
Adding the parameters to our plugin
Adding the language files
Summary
3. Getting Started with Module Development
Where do I start?
Backend versus frontend modules
Backend modules' installation location
Frontend modules' installation location
Creating the installation XML file
Creating the module PHP file
Creating the view
Connecting to the database
Zip it up and install your module
Packaging your module for distribution
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Learning Joomla! 3 Extension Development - Third Edition
Table of Contents
Learning Joomla! 3 Extension Development - Third Edition
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Support files, eBooks, discount offers and more
Why subscribe?
Free access for Packt account holders
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the example code
Errata
Piracy
Questions
1. Before you Start
Extension types and their uses
Plugins
Modules
Components
Languages
Templates
Libraries
Packages
Joomla! versions that your extensions should support
What's new in Joomla! 3
Licensing and GPL
What business model should I adopt?
Tools you need to develop the Joomla! extensions
Coding standards
Legacy MVC versus new MVC
Upgrading a Joomla! 2.5 component to make it Joomla! 3 compatible
To fork or not to fork?
Summary
2. Getting Started with Plugin Development
Plugin types
Plugin event triggers
Where do I start?
Creating the installation XML file
Creating the plugin PHP file
Zip it up and install your plugin
Adding the parameters to our plugin
Adding the language files
Summary
3. Getting Started with Module Development
Where do I start?
Backend versus frontend modules
Backend modules' installation location
Frontend modules' installation location
Creating the installation XML file
Creating the module PHP file
Creating the view
Connecting to the database
Zip it up and install your module
Packaging your module for distribution
Backwards compatibility for Joomla! 2.5
Making changes to the installation XML file
Adding the CSS styles
Packaging for distribution
Converting to the site module
Translating your module
Adding a help file
Template overrides
Watch out when updating
Alternative layouts
Making your module responsive
Summary
4. Getting Started with Component Development
Where do I start?
Creating the component installation XML file
Creating a simple component
Creating the entry point
Creating the access XML file
Creating the config XML file
Setting up the database
Discover the extension
Creating the controllers
Creating the model for the list view
Creating the model for the edit view
Creating a form
The form XML file
JForm field types
Accesslevel
Cachehandler
Calendar
Captcha
Category
Checkbox
Checkboxes
Chromestyle
Color
Combo
Componentlayout
Contentlanguage
Contenttype
Databaseconnection
Editor
Email
File
Filelist
Folderlist
Groupedlist
Headertag
Helpsite
Hidden
Imagelist
Integer
Language
List
Media
Menu
Menuitem
Modulelayout
Moduleorder
Moduleposition
Moduletag
Password
Plugins
Radio
Rules
Sessionhandler
Spacer
Sql
Tag
Tagnested
Tel
Templatestyle
Text
Textarea
Timezone
Url
User
Usergroup
Creating a view
The list view
The view.html.php file
The helper file
The view layout file
The edit view
The view.html.php file
The view layout file
Installer script
Zip it up and install your component
Summary
5. Backend Component Development – Part 1
Adding additional fields
Adding fields to the model
Category field
State field
Media field
Company field
Phone field
URL field
Description field
Language strings for new fields
Adding fields to the view
Alternative method for displaying fields in the view
Adding fields to the database
Adding columns to your view
Adding simple columns
Click to sort by column
Status column
Ordering column
Toolbar buttons and component options
Component options
View filters and search
Sidebar filters
Changing delete to trash
Filters and search
Summary
6. Backend Component Development – Part 2
Pagination
Adding views and submenu items
The categories view
The preview view
Submenus
Access Control List (ACL)
Global permissions
Component permissions
Category permissions
Article permissions
Access level
Multi-database support
Summary
7. Frontend Component Development
Getting started on the frontend
Creating a view
Adding CSS
Adding sample images
Creating another view
Menu item parameters
Adding a category filter on our menu
Using component options
Width and height parameters
Translating your component
Updating data from the frontend
Creating the list view
Creating the edit form
Using ReCaptcha in your component
ReCaptcha without JForm
Using our click-to-call plugin with this component
Integrating a third-party comments extension
Summary
8. Security – Avoiding Common Vulnerabilities
Why you should care about security
Path disclosure
SQL injection
Local File Inclusion
Remote File Inclusion
Cross-site scripting
Cross-site Request Forgery
Some quick advice
Summary
9. Packing Everything Together
Creating a package
Setting up an update server
Managing database changes
Updating the PHP files
Getting listed on the JED
Summary
10. Extending your Component with Plugins and Modules
Creating a search plugin
Creating a smart search plugin
Creating a featured portfolio module
Adding tags to our component
Summary
Index
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