Learning Drupal 6 Module Development. A practical tutorial for creating your first Drupal 6 modules with PHP

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• Learning Drupal 6 Module Development
  • Table of Contents
  • Learning Drupal 6 Module Development
  • Credits
  • About the Author
  • About the Reviewers
  • Preface
    • What This Book Covers
    • Who Is This Book For?
    • Conventions
    • Reader Feedback
    • Customer Support
      • Downloading the Example Code for the Book
      • Errata
      • Questions
  • 1. Introduction to Drupal Modules
    • Drupals Architecture
      • Module Architecture
        • Core Modules
        • Hooks
      • Themes
    • Crucial Drupal Concepts
      • Nodes
        • Comments Are Not Nodes
      • Users
        • Access and Security
      • Blocks and Page Rendering
      • Menus
      • Forms
      • Database and Schema APIs
    • Developers' Tools
      • Developer Module
      • Coder Module
    • A Word on Our Demonstration Site
    • Summary
  • 2. Creating Our First Module
    • Starting Out
      • A Place for the Module
      • Creating a .info File
    • A Basic .module File
      • Our Goal: A Block Hook
      • Starting the .module
      • The hook_block() Implementation
        • The t() Function
        • A view Operation
    • Installing a Module
      • Step 1: Copying the Module
      • Step 2: Enabling the Module
      • Step 3: Displaying the Module's Content
    • Using Goodreads Data
      • Modifying the Block Hook
      • Retrieving XML Content over HTTP
        • The watchdog() Function
      • Processing the HTTP Results
      • Formatting the Block's Contents
    • Finishing Touches: hook_help()
    • Summary
  • 3. The Theme System
    • The Theme System's Architecture
      • Theme Templates
      • Theme Engines
      • Theme Hooks
    • Creating a Custom Theme
      • Organization of Themes
        • Sub-themes (Derivative Themes)
        • How Each Theme Functions
      • Creating a Theme
        • Creating the Theme Directory
        • A .info File
        • A CSS Stylesheet
      • A PHPTemplate Theme
        • Template Structure
        • A Page Template for Descartes
        • Using PHP to Override Theme Behavior
          • Custom Breadcrumbs
          • Interacting with Other Theme Functions
        • template.php Gotchas
        • Creating a Screenshot
      • From Here to a Full Theme
    • Summary
  • 4. Theming Modules
    • Our Target Module: What We Want
    • Creating a Custom Content Type
      • Using the Administration Interface to Create a Content Type
        • Content and Nodes
    • The Foundations of the Module
    • A Simple Database Lookup
      • Getting the Node ID
      • Getting the Node's Content
    • Theming Inside a Module
      • Registering a Theme
      • Creating a Theme Hook Function
      • Adding a Stylesheet
    • Overriding the Default Theme from a Theme
      • A Quick Clarification
      • Overriding the Default Theme's CSS
      • Overriding Layout with Templates
    • Summary
  • 5. Using JavaScript and AJAX/JSON in Modules
    • Picking up Where We Left Off
    • Introducing jQuery
      • Modifying HTML with jQuery
      • Checking for JavaScript Support with Drupal
        • Namespaces in JavaScript
        • Drupal's Namespace
        • A Drupal Function: Drupal.jsEnabled()
      • Delaying JavaScript Execution with jQuery
      • Including JavaScript from the Module's Theme
    • Writing a Drupal AJAX/JSON Service
      • The JSON Format
      • Our Module Roadmap
      • Server Side: Defining a New Page
        • Creating a JSON Message
        • Mapping a Function to a URL
        • Passing PHP Settings to JavaScript
      • Client Side: AJAX Handlers
        • A JavaScript Function to Get JSON Content
        • Adding an Event Handler
    • Summary
  • 6. An Administration Module
    • The emailusers Module
    • The Beginning of the Module
      • Mail Configuration
    • Registering an Administration Page
      • A Detailed Look at the Path
        • Marking the Path as an Administration Page
      • Path Registration Parameters
      • Defining the Callback Function
    • Handling Forms with the Forms API (FAPI)
      • Loading a Form with drupal_get_form()
      • A Form Constructor
      • Handling Form Results
      • The Form Submissions Callback
    • Sending Mail with the Mail API
      • Formatting Mail with hook_mail()
      • Altering Messages with hook_mail_alter()
        • Altering Hooks
        • Adding a Mail Footer
    • Incorporating the Module into Administration
      • Modifying the User Profile with hook_user()
        • Constructing the Content
    • Summary
  • 7. Building a Content Type
    • The biography Module
    • The Content Creation Kit
    • The Starting Point
    • The Module Installation Script
      • The Schema API: Defining Database Structures
        • A First Look at the Table Definition
        • Defining Fields (Columns)
        • Defining Keys and Indexes
    • Correlating the New Table with Nodes
    • The Content Creation Form
      • Overriding hook_form() Defaults
      • Adding New hook_form() Form Elements
    • Access Controls
    • Database Hooks
      • Database Inserts with hook_insert()
      • Updating and Deleting Database Records
    • Hooks for Getting Data
      • Loading a Node with hook_load()
      • Preparing the Node for Display with hook_view()
    • Theming Biography Content
      • Registering a Theme
      • The biography_info.tpl.php Template
      • The Results
    • Summary
  • 8. Filters, Actions, and Hooks
    • The sitenews Module
    • Getting Started
      • Citing Dependencies in the .info File
      • The Beginning of the .module File
    • A Simple Content Type, Defined in Code
    • Creating Filters and an Input Format
      • Creating Filters
      • The First Filter: News Brief Placeholders
      • The Second Filter: Remove All Tags
      • Adding an Input Format
    • The Beginning of an Action
      • Implementing hook_action_info()
      • The Action Callback
    • Defining a Hook
      • Invoking a Custom Hook
        • So What Is a Hook?
      • Creating a hook_sitenews() Function
      • Implementing hook_sitenews() in Other Modules
        • In the philquotes Module
        • In the biography Module
          • Theming Content before Returning It
    • Completing the Action: Theming and Mailing
      • Theme Functions
      • The hook_mail() Implementation
    • Adding a Trigger
    • Summary
  • 9. An Installation Profile
    • Introducing Installation Profiles
      • Why Use Installation Profiles?
    • Setting up a Distribution
      • Creating a Profile Directory
    • Programming Profiles
    • The .profile Script
      • The Details Function
      • The Modules List
    • The Installation Task System
      • The Profile Task
        • A Basic Profile Task
        • A Complex Profile Task
          • Creating a Content Type
          • Creating a Trigger
        • Moving to the Next Task
          • The 'profile' Task is Special
      • Registering a New Task
      • The Theme Selection Form
      • Returning to the philosopherbios_pick_theme Task
        • The Submission Handler
      • Finishing the Installation Profile
    • Packaging the Distribution
    • Summary
  • Index

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