When creating new translation with paragraphs field in preview or closed mode, noticed it does not use the correct source on nested paragraphs

Created on 5 May 2022, over 2 years ago

Updated 12 September 2024, 2 months ago

Problem/Motivation

While using nested paragraphs structure and working with new content translations noticed that the nested paragraphs form, displayed and used an unexpected language source.

Structure

Create a paragraph: Book
- Add field 'title' of type "Text (plain)" to paragraph book, check "Users may translate this field"
Create a paragraph: library
- Add a field 'title' of type "Text (plain)" to paragraph library, check "Users may translate this field"
- Add a field 'books' of type "Entity reference revisions" to paragraph library which reference Book paragraphs type only, unlimited, check "Users may translate this field"
Setup Basic Page content type
- Add a field 'paragraphs' of type "Entity reference revisions" to the basic page content type which reference Library paragraphs type only, unlimited, check "Users may translate this field"
- Go to manage form display of basic page content type /admin/structure/types/manage/page/form-display
- Set paragraphs field setting 'edit mode' to 'preview'
- Save
Go to /admin/config/regional/language setup Basic Languages
- Add France language with code language 'fr'
- Add Custom language with code language 'en-gb'
Go to /admin/config/regional/content-language
- In custom language settings check 'Content' and 'Paragraph'
- Check 'Basic page' content type as translatable and all properties and fields
- Check 'Library' paragraph type as translatable and all properties and fields
- Check 'Book' paragraph type as translatable and all properties and fields
- Save

Steps to reproduce

Create a basic page content
- Set title to 'Base US'
- Set a Library paragraph with 'Library US' as title
- In Library paragraph set Book paragraph with 'Book US' as title
Add translation 'en-gb' to 'Base US' content from english source
- Set title to 'Translation UK'
- Set a Library paragraph with 'Library UK' as title
- In Library paragraph set Book paragraph with 'Book UK' as title
Try add translation 'fr' to 'Base US' content from English source
- On create translation form don't try to edit the paragraphs and observe
- Notice that the library title is 'Library US' and the book title is 'Book US'
- Now switch the language source to en-gb
- Notice that the library title is 'Library UK' and the book title is 'Book US'
- When instead of 'Book US' it should display 'Book UK'
- If you save the form 'Book US' value will be used
- It seems this happens in nested paragraph levels whenever edit mode is 'preview' or 'closed'.
- If edit mode is set to 'open' this doesn't happen.

Versions

drupal/core: 9.3.12
drupal/paragraphs: 1.14

🐛 Bug report

Status

Active

Version

1.14

Component

Code

Created by

🇨🇴Colombia jaenalexander

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It's likely this issue predates Contrib.social: some issue and comment data are missing.

Comment 8 months ago →
🇺🇸United States jksloan2974
Was there a real fix for this issue? The module created to fix this issue isn't compatible with Drupal 10
Comment 2 months ago →
🇷🇺Russia kala4ek 🇷🇺 Novosibirsk
It's issue form Entity Reference Revisions module. Try patch from 🐛 Content translation source is not taken into account for paragraphs in case of translation of host entity. Active .

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