1. Joomla! Framework
Stick to the code !
Text
The code is not like rules it’s more a set of guidelines
PHPBootCamp NL, June 2007

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About me
Johan ‘Jinx’ Janssens
Joomla! Project manager and lead developer
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What is Joomla!
Open Source Content Management System
Jumla (Swahili) : all together
Founded in september 2006
Rebrand from Mambo
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zend
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symfony
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joomla
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situation
Content Management Framework Joomla!
Web Application Framework Symfony
PHP Class Library Zend
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Intro
1. Goals
2. Philosophy
2. Architecture
3. Framework
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Goals
Goals
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Goals
Joomla! 1.5 Goals
1. Internationalisation
2. Application framework
3. Extendibility
4. Accessibility/Usability
5. Backwards compatiblity
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Goals
ww.ohloh.net
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Philosophy
Philosophy
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Philosophy
Joomla! concepts
opensource content management
• freedom • keep is small simple (KISS)
• choice • be flexible and agile
• control • design to be extendible
• fun • reduce choice
Barry Swharts : video.google.com/videoplay?docid=6127548813950043200
• use the 80/20 principle
Richard Koche : www.the8020principle.com/
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Architecture
Architecture
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Architecture
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Architecture
Joomla! CMS
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Architecture
Joomla! CMS
Joomla! CMF
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Architecture
Joomla! CMS
Extensions
Joomla! CMF
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Architecture
Joomla! CMS
Extensions
Application
Joomla! CMF
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Architecture
Joomla! CMS
Extensions
Application
Joomla! CMF
Framework
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Architecture
Joomla ! CMS
Extensions
Application
Joomla! CMF
Libraries Framework Plugins
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Architecture
Joomla ! CMS
Extensions
Site Installation XML-RPC
Administrator Application
Joomla! CMF
Libraries Framework Plugins
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Architecture
Joomla ! CMS
Components Modules Templates Languages
Extensions
Site Installation XML-RPC
Administrator Application
Joomla! CMF
Libraries Framework Plugins
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Framework
Framework
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Framework
CakePHP
Zend Mojavi
PHPWACT
Why yet another PHP framework ?
CodeIgniter
Studs
Prado
PHPOnTrax
Achievo
Symfony
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Framework
Framework principles
1. Pragmatic programming concepts
2. Object Oriented API
4. Modularised design
5. Focussed on content management
6. Build for PHP4 and upwards compatible with PHP5
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Framework
Framework concepts
1. Decouple as much as possible
2. Use design patterns where possible
3. Don’t repeat yourself (DRY)
4. Remember the big picture
5. Create declarative interfaces
6. Keep it dry, shy, and tell the other guy
www.pragmaticprogrammer.com/articles/may_04_oo1.pdf
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Framework
Framework design patterns
1. Factory pattern 5. Composition pattern
2. Singleton pattern 6. Registry pattern
3. Template pattern 7. Observer pattern
4. Adapter pattern 8. MVC pattern
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Framework
Framework packages
1. application 7. environment 11. installer
2. base 8. event 12. registry
3. cache 9. filesystem 13. session
4. client 10. filter 14. template
5. database` 11. html 15. user
6. document 12. i18n 16. utilities
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Framework
See also : http://dev.joomla.org/component/option,com_jd-wp/Itemid,33/p,201/
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Future
What about the future ?
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Future
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Questions
Questions ?
Stump the geek
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References
References
• Download 1.5 nightly
http://dev.joomla.org/content/view/17/60/
• Screenshots of 1.5
http://joomla15.blogspot.com
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