1. The document discusses developing add-ons for ExpressionEngine and provides an overview of different types of add-ons like plugins, extensions, modules, and fieldtypes. 2. It encourages bringing past experience to building add-ons and experimenting with other existing add-ons. Challenges like routing and helpers are mentioned. 3. The presentation encourages developers to get their add-ons out to the community and to not resent providing support, with the hope that add-ons can be successfully built and sold.

1. Getting
Ignited
with
EE2

4. I’m here to talk about
developing add-ons for
>{ExpressionEngine}

5. 1.
Client and Developer
sign contract

6. 2.
Developer gets to
work

7. 3.
Client gets annoying
and demanding.
(boo)

8. 4.
Developer can’t find
it, so he decides to
build it.

9. It’s all over now,
baby blue
5.
The site is launched

10. 6.
Developer decides to
release the add-on to
the community

11. Bottom
UP

12. THE ADD-ON IS
CREATED
IT IS NECESSARY
BECAUSE
FOR THE
PROJECT
TO SUCCEED

13. I WANTED TO FIND
A SOLUTION
WOULD
THAT
ALLOW
DEVELOPERS
TO JUMP IN

14. Identify
a need

15. THINK ABOUT
EXPRESSIONENGINE

16. Web Services
E-commerce
jQuery
Python
Authentication C
Ruby
Pulp’s Music Sysadmin
PHP cURL
Cronjobs
REST
CodeIgniter
Social Media
Maggie’s Farm APIs
BRING YOUR PREVIOUS
EXPERIENCE WITH YOU

17. WANT

18. GET GOING

19. Epicentre

20. A group of components
plug n
fieldtyp xtension
m dule
accessory

21. A group of components
plug n
fieldtyp xtension
m dule
accessory

22. PLUGIN
{correlates:to:a:template:tag}
Basic Text Formatting
No settings
One-off; like a rolling stone

23. A group of components
plug n
fieldtyp xtension
m dule
accessory

24. EXTENSION
Pretty powerful!
Hooks into the core:
// -------------------------------------------
// 'channel_entries_tagdata' hook.
// - The times, they are a changin’
//
if ($this->EE->extensions->active_hook('channel_entries_tagdata') === TRUE)
{
$tagdata = $this->EE->extensions->call('channel_entries_tagdata', $tagdata, $row, $this);
if ($this->EE->extensions->end_script === TRUE) return $tagdata;
}
//
// -------------------------------------------
Custom Processing
Settings

25. A group of components
plug n
fieldtyp xtension
m dule
accessory

26. MODULE
{exp:module:method}
POST requests (actions)
Backend control panel
Custom database fields
Advanced, powerful add-ons

27. A group of components
plug n
fieldtyp xtension
m dule
accessory

28. ACCESSORY
Simple tabs in the CP
JavaScript -> Mods

29. A group of components
plug n
fieldtyp xtension
m dule
accessory

30. FIELDTYPE
Custom data formatting in channel entries
Fieldtype API
Google Maps, Taggable, Playa

31. AN ADD-ON IS
A PACKAGE
2

32. $this->ee =& get_instance();

33. $this->ee->load->library('twitter');
$this->ee->twitter->call('statuses/user_timeline', array(
'user' => 'jamierumbelow'
));

34. PAGINATION. CODEIGNITER. IMAGES. C
FILE UPLOADING.CODEIGNITER. XML-R
FTP. CODEIGNITER. I18N. CODEIGNITER
SECURITY. CODEIGNITER. CARTS. CODE
HTML TABLES. CODEIGNITER. SESSION
TEMPLATING. CODEIGNITER.ZIP. CODE
PAGINATION.IT’S ALL CI.
CODEIGNITER. IMAGES. C
FILE UPLOADING.CODEIGNITER. XML-R
FTP. CODEIGNITER. I18N. CODEIGNITER
SECURITY. CODEIGNITER. CARTS. CODE
HTML TABLES. CODEIGNITER. SESSION
TEMPLATING. IT ‘AINT ME BABE. ZIP. CO
PAGINATION. CODEIGNITER. IMAGES. C

35. $this->load->database()

36. Yo, EE
what ya doin’?

37. ROUTING IS
WEIRD

38. define('TAGGABLE_URL',
BASE.AMP.'C=addons_modules'.AMP.'M=show_module_cp'.AMP.'module=taggable');
define('TAGGABLE_PATH',
'C=addons_modules'.AMP.'M=show_module_cp'.AMP.'module=taggable');

39. SOME OF THE HELPERS ARE
SCREWED UP

40. $this->ee->TMPL->parse_variables($tagdata, $vars);

41. $vars = array(
array( 'variable' => 'value' ),
array( 'variable' => 'value2' ),
array( 'variable' => 'value3' )
);

42. EE MODULES REQUIRES
A LANGUAGE FILE

43. MSM

44. EXPERIMENT
WITH
OTHER’S
ADD-ONS

45. CLIENTS ARE
THICK

46. $addon_success = $this->beta_test->is_run();

47. DON’T RESENT SUPPORT

48. GET SELLING

49. HOPEFULLY...

50. Thanks!
CodeIgniter Community Chieftain
http://jamieonsoftware.com
@jamierumbelow
http://getsparkplugs.com