Joomla Extensions Kung Fu
Download as ppt, pdf9 likes7,790 views
This document discusses the Model-View-Controller (MVC) architecture in Joomla, emphasizing the roles and responsibilities of controllers, models, and views. It provides insights into best practices and common mistakes in Joomla component development, along with code optimization tips. The author encourages developers to focus on coding and leave design aspects to template designers.
![Thanks for coming! http://twitter.com/onesterov http://onesterov.com http://jookungfu.org http://mindk-lab.com [email_address]](https://image.slidesharecdn.com/presentation-100613100019-phpapp02/85/Joomla-Extensions-Kung-Fu-65-320.jpg)
Joomla Extensions Kung Fu
- 1. 油
- 2. Why you can believe me 4 years of experience
- 3. Agenda Development Design MVC Other important questions Code optimization The most popular mistakes!
- 6. How many times did you see this? Model View Controller User updates manipulates sees uses
- 7. An application is split by 3 departments which collaborate with each other to bring you the best results, but they dont disturb each other at the same time!
- 8. 油
- 10. The controller is the boss!
- 11. You should use a controller for Getting request data; Getting model & view instances; Updating model states; Calling model action methods (e.g. delete, save, remove); Calling view methods to render a template.
- 12. You should not use a controller for Database task; Manipulating model data; Rendering templates. model & view tasks
- 13. A Controller in Joomla
- 14. JController
- 15. display() method revealed /libraries/joomla/application/component/controller.php Gets view instance Gets model instance Injects model into view Calls views display() method
- 16. Bad approaches for using controllers in Joomla
- 17. Good approaches for using controllers in Joomla
- 18. Bad approaches for using controllers in Joomla
- 19. Good approaches for using controllers in Joomla
- 20. MVC Model
- 21. A model is a hard worker!
- 22. You should use a model for Storing a state; Performing database tasks; Formatting data; All other data task.
- 23. You should not use a model for Getting request data; Rendering templates. controller & view tasks
- 24. A Model in Joomla
- 25. JModel The most unused model methods & properties. Why? $this->_db $this->_state $this->getDBO(); $this->setState($property, $value); $this->getState($property);
- 26. Bad approaches for using models in Joomla
- 27. Good approaches for using models in Joomla
- 28. Fat Model, Skinny Controller http://blog.astrumfutura.com/archives/373-The_M_in_MVC_Why_Models_are_Misunderstood_and_Unappreciated.html
- 29. MVC View
- 30. A view is a stylist!
- 31. You should use a view for Rendering templates; Rendering templates; Rendering templates.
- 32. You should not use a view for Database tasks; Database tasks; Database tasks. model tasks
- 33. A view in Joomla
- 34. JView lies between a model and a template View Data Template
- 35. You should use a Joomla view class for Getting data from models; Rearranging data (if needed); Assigning variables to templates; Rendering templates.
- 36. Dont put everything you have into a view!
- 37. Keep your view methods small!
- 38. You shouldnt use PHP in template files like this
- 39. You should use it like this
- 40. Dont use variables in view templates other than the ones you assigned to
- 41. Keep your templates clear, assign all variables in view classes!
- 42. Add CSS and JS in the view template file in this case they can be overwritten in a Joomla template
- 44. Joomla MVC default task as it is Main components file request data calls Controller default task calls JControllers display() Model & view objects gets inserts Model into view calls JViews display() gets Model data renders Template
- 45. The best way to figure out the Joomla framework is to dig into the code!
- 46. No, seriously Just dig into the code
- 47. After digging JController methods you can find out /libraries/joomla/application/component/controller.php How to insert other than the default model into your view class How to add another location for your model & view files How to set a default model state and many more
- 48. Joomla MVC structures possible variants
- 49. 油
- 50. 油
- 51. 油
- 53. Base controller approach: main component file
- 55. Code Optimization Write code Go! Write a bit more code Think over
- 56. A simple optimization Edit, publish, unpublish, save order, order up, order down, cancel, save, remove Base admin model Base admin controller Base admin view Helper classes Get ordering, save order, move, check out, check in, publish, remove The most used variables: option, document, view, controller, layout, etc. Everything that can be reused in templates
- 58. Document your code http://www.phpdoc.org/ http://code.google.com/p/jsdoc-toolkit/ Every file, class, class property and method
- 59. 油
- 60. Filter input, escape output! http://shiflett.org/blog/2005/feb/my-top-two-php-security-practices http://developer.joomla.org/security.html http://developer.joomla.org/security/articles-tutorials/258-preventing-sql-injections.html
- 62. We are developers, we dont do design!
- 63. !!!!! We are developers, we dont do design !!!!
- 64. Design principles for developers Set proper CSS classes & IDs, but leave design for template designers Thats all!
- 65. Thanks for coming! http://twitter.com/onesterov http://onesterov.com http://jookungfu.org http://mindk-lab.com [email_address]