INTRODUCTION TO LEADERSHIP DEVELOPMENT APAMSA Leadership Development Module.
Introduction to Module Development
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Transcript of Introduction to Module Development
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Drupal Module
Development
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Open Source CMS
Content Management Systems managewebsite (or intranet) content
Open Source Content Management
Systems have become one of the realopen source success stories
The three most popular open source
CMS in the nonprofit sector are: Joomla
Drupal
Plone
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What does a module do?
Core modules provides functionality Contributed modules extends functionality
Custom modules defines new functionality
A Custom module is one which is local to yourDrupal Project. It's not yet contributed to thecontrib repository
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Custom Module(When to write)
You need to answer few questions before writing aCustom Module
1. What do you want to achieve by this custom module?
2. Did you search the Contrib Repository to see if a
module is already available for that feature?3. Have you enabled all possible Configurations of the
Core & Contrib module to check if they offer you thefeature you require?
If your answer is, Yes, I have done enough research and
am sure I have to write the code now, then go ahead ....
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Custom Module(Why to write)
I need a new feature which is not yetavailable in Drupal, and probably can becontributed as a Contrib Module.
I don't want to keep adding additionalmodules to my site for small tweaks, whichI can manage in only one custom modulefor my website. Don't be too muchdependent on Contribs.
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Examples of modules
Core required modules: System, Filter, Node, Block, User
Core optional modules:
Taxonomy, Menu, Comment, Search 3rd party modules:
Views, Panels, CCK, Devel
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Hooks
Can be thought of as internal Drupalevents
Allow modules to interact with the Drupal
core Events include:
Creation, deletion of nodes and users
Logging in, logging out
Hooks can also create and alter menusand forms
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Hook examples
hook_user login, logout, insert, view, update
hook_block
view, save, configure, list hook_form_alter
hook_insert
hook_comment insert, update, view, publish, unpublish
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Useful modules/tools
Devel (drupal.org/project/devel)Admin Menu
(drupal.org/project/admin_menu)
Drush (drupal.org/project/drush)Any others?
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Simple Module Structure
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Our first module
Hello World module Two files required for a module:
helloworld.info
helloworld.module (Optionally) helloworld.install
helloworld
helloworld.infohelloworld.module
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Our first module
Where should I put my module? /path_to_drupal/modules
/path_to_drupal/sites/all/modules/
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helloworld.info
; $Id$name = Hello World
description = Creates a Hello World Content
package = Module Dev Training
core = 6.x
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helloworld.module
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Drupal Module
Development
ICT CenterWe are making IT happen
IC
T
Integrity
Commitment
Teamwork
