Contrib.social

Allow themes to alter widget forms

Open on Drupal.org →
Created on 2 June 2017, over 7 years ago
Updated 30 January 2023, almost 2 years ago

Problem/Motivation

\Drupal\Core\Field\WidgetBase::formSingleElement only allows modules to alter the resulting form. This makes it impossible for themes to consistently make changes to the widget form.

The only workaround would be to recursively loop over every element in a form looking for the characteristics of a widget form, which may not even be possible.

An example of why this would be a common scenario would be the datelist widget - it add's a fieldset around the elements. It would be entirely reasonable for a theme to want to use the composite fieldset to make date fields look consistent with other form elements. This is not possible at the moment.

Not sure if this should be marked as a bug, as I expect it's a non-intentional regression from D&.

Proposed resolution

Pass the widget form alter onto themes as well as modules.

API changes

Themes would be able to implement hook_field_widget_form_alter() and hook_field_widget_WIDGET_TYPE_form_alter().

✨ Feature request
Status

Needs work

Version

10.1 ✨

Component
Field  →

Last updated about 12 hours ago

Created by

🇬🇧United Kingdom andrewbelcher

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  • Comment almost 2 years ago →
    needs-review-queue-bot

    The Needs Review Queue Bot → tested this issue. It either no longer applies to Drupal core, or fails the Drupal core commit checks. Therefore, this issue status is now "Needs work".

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