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Mastering Drupal 8

Mastering Drupal 8

By : Sean Montague, Chaz Chumley, William Hurley
4.2 (5)
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Mastering Drupal 8

Mastering Drupal 8

4.2 (5)
By: Sean Montague, Chaz Chumley, William Hurley

Overview of this book

Drupal is an open source content management system trusted by governments and organizations around the globe to run their websites. It brings with it extensive content authoring tools, reliable performance, and a proven track record of security. The community of more than 1,000,000 developers, designers, editors, and others have developed and maintained a wealth of modules, themes, and other add-ons to help you build a dynamic web experience. Drupal 8 is the latest release of the Drupal built on the Symfony2 framework. This is the largest change to the Drupal project in its history. The entire API of Drupal has been rebuilt using Symfony and everything from the administrative UI to themes to custom module development has been affected. This book will cover everything you need to plan and build a complete website using Drupal 8. It will provide a clear and concise walkthrough of the more than 200 new features and improvements introduced in Drupal core. In this book, you will learn advanced site building techniques, create and modify themes using Twig, create custom modules using the new Drupal API, explore the new REST and Multilingual functionality, import, and export Configuration, and learn how to migrate from earlier versions of Drupal.
Table of Contents (17 chapters)
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Field templates

Each field that Drupal displays also has a field.html.twig template that it uses. We can override this template like we did with both the Node and Block templates. All we need to do is identify the path and the filename suggestion to use.

Begin by inspecting the Learn more link and identify which template is being used:

Based on the Twig comments, we know the exact location of the Twig template and that Drupal is using the base field.html.twig template. With this information, we can override the template by following these steps:

  1. Copy the field.html.twig template from /core/themes/classy/templates/field/field.html.twig.
  2. Paste the copy into /themes/twiggy/templates.
  3. Rename field.html.twig to field--field-button.html.twig.

Make sure to clear Drupal's cache and then refresh our page within the browser. Drupal is now using our copy of the template and we can...

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