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  • Book Overview & Buying Drupal 8 Development Cookbook
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Drupal 8 Development Cookbook

Drupal 8 Development Cookbook - Second Edition

By : Matt Glaman
4.7 (3)
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Drupal 8 Development Cookbook

Drupal 8 Development Cookbook

4.7 (3)
By: Matt Glaman

Overview of this book

Began as a message board, Drupal today is open source software maintained and developed by a community of over 1,000,000 users and developers. Drupal is used by numerous local businesses to global corporations and diverse organizations all across the globe. With Drupal 8’s exciting features it brings, this book will be your go-to guide to experimenting with all of these features through helpful recipes. We’ll start by showing you how to customize and configure the Drupal environment as per your requirements, as well as how to install third-party libraries and then use them in the Drupal environment. Then we will move on to creating blocks and custom modules with the help of libraries. We will show you how to use the latest mobile-first feature of Drupal 8, which will help you make your apps responsive across all the major platforms. This book will also show you how to incorporate multilingual facilities in your sites, use web services and third-party plugins with your applications from inside Drupal 8, and test and deploy your apps.
Table of Contents (20 chapters)
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Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Creating a custom field type


Field types are defined using the plugin system. Each field type has its own class and definition. A new field type can be defined through a custom class that will provide schema and property information.

In this example, we will create a simple field type called real name to store the first and last names.

Note

Field types define ways in which data can be stored and handled through the Field API. Field widgets provides means for editing a field type in the user interface. Field formatters provide means for displaying the field data to users. Both are plugins and will be covered in later recipes.

Getting ready

Create a new module like the one shown in this recipe, with a defined info.yml so that it can be discovered by Drupal. We will refer to the module as mymodule throughout the recipe. Use your module's appropriate name.

How to do it...

  1. We will need to create the src/Plugin/Field/FieldType directory in the module's base location. The Field module discovers field...

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