Table of Contents

Theming (Chapter 15)

1. The Core Themes Directory
   • Core Themes
   • Theme Engines
2. Theme Administration
   • Enabling and Setting a Default Theme
   • Administration Theme
   • Global Theme Settings
   • Installing a New Theme
3. Theme Metadata (.info Files)
   • Required Properties
   • Additional Properties
   • Exercise
4. Working with Regions
   • Default Regions
   • Hidden Regions
   • Module-Specific Regions
   • Regions and Your Theme
   • Using Regions vs. Hard-coding Variables in Template Files
   • Layout Strategies
   • Exercise
5. Template Files
   • Common Core Templates
   • Overriding Template Files
   • Global Template Variables
6. Theme Functions
   • How Theme Functions Are Created
   • Calling Theme Functions
   • Overriding Theme Functions
   • Exercise
7. Theme Hooks and Suggestions
   • What is a Theme Hook?
   • Theme Hook Suggestions
   • Suggestions and Template Files
   • Suggestions and Theme Functions
8. Summary

Advanced Theming (Chapter 16)

1. Finding Available Variables in the Theme Layer
   • Using the Theme Developer Module
2. Preprocess and Process Functions
   • Implementing Preprocess and Process Hooks
   • Finding the Contents of $variables
   • Preprocess Functions in Action
3. Using the Render API
   • Identifying Render Elements
   • Manipulating the Output of Render Elements
   • Notable Render Arrays in Core Templates
   • Introducing render(), hide(), and show()
4. Theming Forms
   • How Form Markup is Generated
   • First Steps for Theming Forms
   • Theming Forms with Theme Functions
   • Theming Forms with Template Files
   • Modifying Forms Using Alter Hooks
5. Managing CSS Files
   • Aggregation and Compression
   • Patterns and Naming Conventions
   • Adding, Removing, and Replacing CSS Files
   • Exercise
6. Working with Base and Subthemes
   • Creating a Subtheme
   • Inheritance and How it Works
   • Finding a Good Base Theme
   • Tips for Creating Your Own Base Themes
7. Sustainability and Best Practices
8. Summary