Issue #3500177 - Add new page

fapi_validation.links.menu.yml

@@ -3,3 +3,7 @@ fapi_validation.settings:
   description: 'Displays Form API Validation settings.'
   route_name: fapi_validation.settings
   parent: system.admin_config_system
+fapi_validation.validations:
+  title: Validation plugins
+  route_name: fapi_validation.validations
+  parent: fapi_validation.settings

fapi_validation.permissions.yml

@@ -4,6 +4,9 @@ manage fapi validation settings:
 bypass fapi validations:
   title: 'Allow users to bypass all validations'
   description: 'Allows a user to bypass all fapi validation plugins.'
+view fapi validation plugins:
+  title: 'Allow users to view all validations'
+  description: 'Allows a user to view all fapi validation plugins.'
 
 permission_callbacks:
   - Drupal\fapi_validation\FapiValidationPermissions::permissions

fapi_validation.routing.yml

@@ -5,3 +5,10 @@ fapi_validation.settings:
     _title: 'Form API Validation settings'
   requirements:
     _permission: 'manage fapi validation settings'
+fapi_validation.validations:
+  path: '/admin/config/system/fapi/validations'
+  defaults:
+    _controller: '\Drupal\fapi_validation\Controller\FapiValidationController::validations'
+    _title: 'Form API Validation plugins'
+  requirements:
+    _permission: 'view fapi validation plugins'

src/Controller/FapiValidationController.php

+<?php
+
+namespace Drupal\fapi_validation\Controller;
+
+use Drupal\Core\Controller\ControllerBase;
+use Drupal\fapi_validation\FapiValidationValidatorsManager;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Returns a table with all fapi validation plugins.
+ */
+class FapiValidationController extends ControllerBase {
+
+  /**
+   * Returns the plugin.manager.fapi_validation_validators service.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $validationManager;
+
+  /**
+   * Constructs a FapiValidationController object.
+   *
+   * @param \Drupal\fapi_validation\FapiValidationValidatorsManager $validation_manager
+   * *   A plugin manager for Fapi Validation Validators Plugin.
+ */
+  public function __construct(FapiValidationValidatorsManager $validation_manager) {
+    $this->validationManager = $validation_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('plugin.manager.fapi_validation_validators')
+    );
+  }
+
+  /**
+   * Show all validation plugins.
+   */
+  public function validations() {
+    $header = [
+      ['data' => $this->t('ID')],
+      ['data' => $this->t('Label')],
+      ['data' => $this->t('Description')],
+      ['data' => $this->t('Provider')],
+    ];
+
+    $rows = [];
+    foreach ($this->validationManager->getDefinitions() as $validation) {
+      $rows[] = [
+        $validation['id'],
+        $validation['label'] ?? '',
+        $validation['description'] ?? '',
+        $validation['provider'],
+      ];
+    }
+
+    return [
+      '#theme' => 'table',
+      '#header' => $header,
+      '#rows' => $rows,
+    ];
+  }
+
+}