contextual_aliases.module

<?php

use Drupal\contextual_aliases\Entity\ContextualRedirect;
use Drupal\contextual_aliases\Form\ContextualRedirectForm;
use Drupal\Core\Form\FormStateInterface;
use Drupal\redirect\Plugin\Field\FieldWidget\RedirectSourceWidget;

/**
 * Implements hook_entity_type_alter().
 */
function contextual_aliases_entity_type_alter(array &$entity_types) {
  /** @var \Drupal\Core\Entity\EntityType[] $entity_types */
  if (array_key_exists('redirect', $entity_types)) {
    $entity_types['redirect']->setClass(ContextualRedirect::class);
    $entity_types['redirect']->setFormClass('default', ContextualRedirectForm::class);
    $entity_types['redirect']->setFormClass('edit', ContextualRedirectForm::class);
  }
}

/**
 * Collect all context options for displaying a select box.
 */
function contextual_aliases_context_options() {
  return \Drupal::service('path.alias_storage')->getContextOptions();
}

/**
 * Implements hook_field_widget_form_alter().
 */
function contextual_aliases_field_widget_form_alter(&$element, FormStateInterface $form_state, $context) {
  if ($context['widget'] instanceof RedirectSourceWidget) {
    // Disable ajax functionality, since it doesn't know the context and
    // results in false positives.
    unset($element['path']['#ajax']);
  }
}