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Drupal 10 Module Development

You're reading from   Drupal 10 Module Development Develop and deliver engaging and intuitive enterprise-level apps

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Product type Paperback
Published in Apr 2023
Publisher Packt
ISBN-13 9781837631803
Length 580 pages
Edition 4th Edition
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Author (1):
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Daniel Sipos Daniel Sipos
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Daniel Sipos
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Table of Contents (21) Chapters Close

Preface 1. Chapter 1: Developing for Drupal 2. Chapter 2: Creating Your First Module FREE CHAPTER 3. Chapter 3: Logging and Mailing 4. Chapter 4: Theming 5. Chapter 5: Menus and Menu Links 6. Chapter 6: Data Modeling and Storage 7. Chapter 7: Your Own Custom Entity and Plugin Types 8. Chapter 8: The Database API 9. Chapter 9: Custom Fields 10. Chapter 10: Access Control 11. Chapter 11: Caching 12. Chapter 12: JavaScript and the Ajax API 13. Chapter 13: Internationalization and Languages 14. Chapter 14: Batches, Queues, and Cron 15. Chapter 15: Views 16. Chapter 16: Working with Files and Images 17. Chapter 17: Automated Testing 18. Chapter 18: Drupal Security 19. Index 20. Other Books You May Enjoy

Custom Views field

Now that we have seen how data is exposed to Views, we can start understanding the NodeViewsData handler I mentioned earlier (even if not quite everything) a bit better. But this also provides a good segue back to our Product entity type’s views_data handler, where we can now see what the responsibility of getViewsData() is. It needs to return the definition for all of the tables and fields, as well as what they can do. Luckily for us, the base class already provides everything we need to turn our product data into Views fields, filters, sorts, arguments, and potentially relationships, all out of the box.

But let’s say we want to add some more Views fields that make sense to us in the context of our product-related functionality. For example, each product has a source field that is populated by the Importer entity from its own source field. This is just to keep track of where they come from. So, we may want to create a Views field that simply renders...

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