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  • Book Overview & Buying Drupal 10 Development Cookbook
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Drupal 10 Development Cookbook

Drupal 10 Development Cookbook

By : Matt Glaman, Kevin Quillen
4.5 (17)
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Drupal 10 Development Cookbook

Drupal 10 Development Cookbook

4.5 (17)
By: Matt Glaman, Kevin Quillen

Overview of this book

This new and improved third edition cookbook is packed with the latest Drupal 10 features such as a new, flexible default frontend theme - Olivero, and improved administrative experience with a new theme - Claro. This comprehensive recipe book provides updated content on the WYSIWYG (What You See Is What You Get) editing experience, improved core code performance, and code cleanup. Drupal 10 Development Cookbook begins by helping you create and manage a Drupal site. Next, you’ll get acquainted with configuring the content structure and editing content. You’ll also get to grips with all new updates of this edition, such as creating custom pages, accessing and working with entities, running and writing tests with Drupal, migrating external data into Drupal, and turning Drupal into an API platform. As you advance, you’ll learn how to customize Drupal’s features with out-of-the-box modules, contribute extensions, and write custom code to extend Drupal. By the end of this book, you’ll be able to create and manage Drupal sites, customize them to your requirements, and build custom code to deliver your projects.
Table of Contents (17 chapters)
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Creating a custom field widget

Field widgets provide the form component to a field in an entity form. These integrate with the Form API to define how a field can be edited and the way in which the data can be formatted before it is saved. Field widgets are chosen and customized through the form display interface.

In this recipe, we will create a widget for the field created in the Creating a custom field type recipe in this chapter. The field widget will provide two text fields for entering the first and last name items.

Getting ready

This recipe provides a field widget for the field type created in the previous recipe, Creating a custom field type.

How to do it…

  1. First, we need to create the src/Plugin/Field/FieldWidget directory in the module’s directory. The Field module discovers field widgets in the Plugin\Field\FieldWidget namespace:
    mkdir -p src/Plugin/Field/FieldWidget
  2. Create a RealNameDefaultWidget.php file in the newly created directory...

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