Anatomy of Drupal 7 Module

D7_MODULE_ANATOMY.txt

========  ANATOMY OF DRUPAL 7 MODULE    ===============

1.) Required Files

     module_name.info     =  Tells Drupal the information about your module (http://drupal.org/node/542202 - writing module info file)
     module_name.module = Contains all hooks and functions related to module functionality

2.) Optional Files

      module_name.install   = Contains schema api hooks for creating and updating tables necessary for you module functionality
      module_name_include.inc  =  Contains any PHP code you wish to includes necessary for your module functionality
      module_name.css =  Contains your module stylesheets code
      module_name.js   =  Contains your module javascript code

3.) Optional Folders

      css  = To organize your CSS files if you need to include several css files in your module
      js     = To organize your JS files if you need to include several js files in your module
      images = Contains all the images assets for your module.
      
      

4.) Where to put your modules?
      - You can drop and put your modules inside the directory "sites/all/modules/custom" or "sites/default/modules/custom"

module_name.css

/* OK, your module CSS code goes here */

module_name.info

name = Your Module Name
description = Demonstrate how Drupal 7 module works.
core = 7.x

; Optional inforation below

;package = custom
;dependencies[] = views
;configure = admin/config/my_module/settings

;stylesheets[all][] = my_module.css
;scripts[] = my_module.js

module_name.install

<?php

/**
 * @file
 * Contains install and update functions for your module.
 */
 
 /**
 * Implements hook_install().
 */
 function module_name_install() {
   drupal_set_message(t('Your module has been installed. Horray!!!'));
 }
 
  /**
 * Implements hook_uninstall().
 */
  function module_name_uninstall() {
    drupal_set_message(t('Oh men, your module has been uninstalled! So SAD!'));
  }

module_name.js

(function ($, Drupal) {
  'use strict';
    
  Drupal.behaviors.ModuleName = {
    attach: function (context, settings) { 
     // OK put your JS code below this.
     
    }
  }
  
}(jQuery, Drupal));
  

module_name.module

<?php

/*
 * @file
 * Contains all hooks and functions related to your module functionality
 *
*/

module_name_include.inc

<?php

/**
 * @file
 * Contains any PHP code you wish to includes necessary for your module functionality.
 */