Joomla! Documentation™

• Joomla Platform Portal
• File Structure and Naming Conventions
• Component Program Flow. UML sequence diagrams showing the control flow for a component.
• Developing a Model-View-Controller Component    
• Components:xml installfile. An example component XML installation file.
• Manifest files for the installation of extensions
• Component parameters
• Adding sortable columns to a table in a component
• How to add custom filters to component admin
• Supporting SEF URLs in your component
• Supporting plugins in your component
• Using JPagination in your component
• Using the JPane classes in a component
• Using the JHtmlTabs class in a component    
• Using the editor in a component
• Adding AJAX to your component
• Ajax using MooTools
• How to add breadcrumbs
• Sending email from extensions
• Using the JToolBar class in the frontend
• Creating a toolbar for your component
• Creating a file uploader in your component
• Adding Javascript moo.fx to your component
• Adding view layout configuration parameters
• Using a custom image in the menu bar title
• How to implement XML-RPC in a component
• Using multiple models in an MVC component
• Adding ACL rules to your component
• JController and its subclass usage overview   
• Managing Component Updates with Joomla!1.6 - Part 1    
• Xml-rpc changes in Joomla! 1.6
• Creating PDF views