Problem/Motivation

Users such as site builders cannot configure settings about the relations of taxonomy terms.

Users (e.g. site builders) cannot configure whether taxonomy terms in a vocabulary can have parent-child relations. This means that other users can start nesting taxonomy terms even if the site is not build to deal with. (Example: A list of regions could have relationships such as continent/country/county; but a list of only countries should not.)

The two relation fields (parent term and weight) are hidden in a collapsed field set which cannot be expanded by default. The field set is not shown on Manage form display page, so site builders have no control on whether or where to show this to other users.
Issue #2655328: [PP-1] Relations Form Element static at weight 10 discusses assumptions on whether this should be displayed at the top or the bottom of the page, while in fact this decision is up to the site builder to make for their individual site.

Proposed resolution

Add an option to en-/disable relations for a vocabulary. This could either be a property of the vocabulary (then it should be placed on Edit page); or a configuration on a relations field on the Manage fields page.

Make Relations a field that can be configured on the Manage form display page. As a first step that would allow site builders not to display it for vocabularies without hierarchies.

Remaining tasks

This is a UI change and therefore the hook_help text for the Taxonomy module also needs to be changed.

User interface changes

This is a UI change.

API changes

Data model changes

Issue fork drupal-2751001

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Comments

ifrik created an issue. See original summary.

Version: 8.2.x-dev » 8.3.x-dev

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Drupal core is moving towards using a “main” branch. As an interim step, a new 11.x branch has been opened, as Drupal.org infrastructure cannot currently fully support a branch named main. New developments and disruptive changes should now be targeted for the 11.x branch, which currently accepts only minor-version allowed changes. For more information, see the Drupal core minor version schedule and the Allowed changes during the Drupal core release cycle.

kumudb made their first commit to this issue’s fork.

kumudb’s picture

Status: Active » Needs work

Since the Relations tab is available for content editors, site builders already have control over taxonomy term hierarchies. This means the request to "disable parent-child relations" might not be a critical issue but rather a feature request for more granular control.

still proceed with a Merge Request to introduce the toggle for better flexibility?

Version: 11.x-dev » main

Drupal core is now using the main branch as the primary development branch. New developments and disruptive changes should now be targeted to the main branch.

Read more in the announcement.