Book Image

Drupal 8 Development Cookbook - Second Edition

By : Matt Glaman
Book Image

Drupal 8 Development Cookbook - Second Edition

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)
Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Creating a route provider


Entities can implement a route provider that will create the route definitions for the entity's canonical (view), edit, delete, and collection (list) routes. As of Drupal 8.3.0, all the normally required routes are generated (this was not the case in 8.0.0). The provider takes the path for a specific link definition and turns that into a route and accessible path.

In this recipe, we will extend the default \Drupal\Core\Entity\Routing\DefaultHtmlRouteProvider and override the canonical route to be the same as the edit route, because we assume that messages will always be embedded.

Note

This is related to a bug that is fixed in 8.4, where the Content Translation module caused errors by assuming that all entities have a canonical link, when they may only support edit--refer to https://www.drupal.org/node/2479377.

Getting ready

You will need a custom module to place the code into to implement a configuration entity type. Create an src directory for your classes. A custom...