The document discusses Joomla, an open source content management system. It provides information on its history and goals, philosophy of being open source and focusing on usability. The architecture is explained, with Joomla at the core and extensions, templates, plugins surrounding it. The framework principles are also summarized, including following object oriented and modular design patterns.

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

2. Creative Commons Attribution-Noncommercial-Share Alike 2.0
About me
Johan ‘Jinx’ Janssens
Joomla! Project manager and lead developer
1
http://www.joomla.org

3. Creative Commons Attribution-Noncommercial-Share Alike 2.0
What is Joomla!
Open Source Content Management System
Jumla (Swahili) : all together
Founded in september 2006
Rebrand from Mambo
2
http://www.joomla.org

4. Creative Commons Attribution-Noncommercial-Share Alike 2.0
zend
3
http://www.joomla.org

5. Creative Commons Attribution-Noncommercial-Share Alike 2.0
symfony
4
http://www.joomla.org

6. Creative Commons Attribution-Noncommercial-Share Alike 2.0
joomla
5
http://www.joomla.org

7. Creative Commons Attribution-Noncommercial-Share Alike 2.0
situation
Content Management Framework Joomla!
Web Application Framework Symfony
PHP Class Library Zend
6
http://www.joomla.org

8. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Intro
1. Goals
2. Philosophy
2. Architecture
3. Framework
7
http://www.joomla.org

9. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Goals
Goals
8
http://www.joomla.org

10. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Goals
Joomla! 1.5 Goals
1. Internationalisation
2. Application framework
3. Extendibility
4. Accessibility/Usability
5. Backwards compatiblity
9
http://www.joomla.org

11. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Goals
ww.ohloh.net
10
http://www.joomla.org

12. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Philosophy
Philosophy
11
http://www.joomla.org

13. Creative Commons Attribution-Noncommercial-Share Alike 2.0
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/
12
http://www.joomla.org

14. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Architecture
Architecture
13
http://www.joomla.org

15. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Architecture
14
http://www.joomla.org

16. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Architecture
Joomla! CMS
15
http://www.joomla.org

17. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Architecture
Joomla! CMS
Joomla! CMF
16
http://www.joomla.org

18. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Architecture
Joomla! CMS
Extensions
Joomla! CMF
17
http://www.joomla.org

19. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Architecture
Joomla! CMS
Extensions
Application
Joomla! CMF
18
http://www.joomla.org

20. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Architecture
Joomla! CMS
Extensions
Application
Joomla! CMF
Framework
19
http://www.joomla.org

21. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Architecture
Joomla ! CMS
Extensions
Application
Joomla! CMF
Libraries Framework Plugins
20
http://www.joomla.org

22. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Architecture
Joomla ! CMS
Extensions
Site Installation XML-RPC
Administrator Application
Joomla! CMF
Libraries Framework Plugins
21
http://www.joomla.org

23. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Architecture
Joomla ! CMS
Components Modules Templates Languages
Extensions
Site Installation XML-RPC
Administrator Application
Joomla! CMF
Libraries Framework Plugins
22
http://www.joomla.org

24. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Framework
Framework
23
http://www.joomla.org

25. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Framework
CakePHP
Zend Mojavi
PHPWACT
Why yet another PHP framework ?
CodeIgniter
Studs
Prado
PHPOnTrax
Achievo
Symfony
24
http://www.joomla.org

26. Creative Commons Attribution-Noncommercial-Share Alike 2.0
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
25
http://www.joomla.org

27. Creative Commons Attribution-Noncommercial-Share Alike 2.0
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
26
http://www.joomla.org

28. Creative Commons Attribution-Noncommercial-Share Alike 2.0
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
27
http://www.joomla.org

29. Creative Commons Attribution-Noncommercial-Share Alike 2.0
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
28
http://www.joomla.org

30. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Framework
See also : http://dev.joomla.org/component/option,com_jd-wp/Itemid,33/p,201/
29
http://www.joomla.org

31. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Future
What about the future ?
30
http://www.joomla.org

32. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Future
31
http://www.joomla.org

33. Creative Commons Attribution-Noncommercial-Share Alike 2.0
Questions
Questions ?
Stump the geek
32
http://www.joomla.org

34. Creative Commons Attribution-Noncommercial-Share Alike 2.0
References
References
• Download 1.5 nightly
http://dev.joomla.org/content/view/17/60/
• Screenshots of 1.5
http://joomla15.blogspot.com
33
http://www.joomla.org