Converts none editor to service providers

plugins/editors/none/none.xml

@@ -9,8 +9,10 @@
 	<copyright>(C) 2005 Open Source Matters, Inc.</copyright>
 	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
 	<description>PLG_NONE_XML_DESCRIPTION</description>
+	<namespace path="src">Joomla\Plugin\Editors\None</namespace>
 	<files>
-		<filename plugin="none">none.php</filename>
+		<folder plugin="none">services</folder>
+		<folder>src</folder>
 	</files>
 	<languages>
 		<language tag="en-GB">language/en-GB/plg_editors_none.ini</language>

plugins/editors/none/services/provider.php

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * @package     Joomla.Plugin
+ * @subpackage  Editors.none
+ *
+ * @copyright   (C) 2023 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Extension\PluginInterface;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Plugin\PluginHelper;
+use Joomla\DI\Container;
+use Joomla\DI\ServiceProviderInterface;
+use Joomla\Event\DispatcherInterface;
+use Joomla\Plugin\Editors\None\Extension\None;
+
+return new class implements ServiceProviderInterface
+{
+    /**
+     * Registers the service provider with a DI container.
+     *
+     * @param   Container  $container  The DI container.
+     *
+     * @return  void
+     *
+     * @since   __DEPLOY_VERSION__
+     */
+    public function register(Container $container)
+    {
+        $container->set(
+            PluginInterface::class,
+            function (Container $container) {
+                $dispatcher = $container->get(DispatcherInterface::class);
+
+                $plugin     = new None(
+                    $dispatcher,
+                    (array) PluginHelper::getPlugin('editors', 'none')
+                );
+                $plugin->setApplication(Factory::getApplication());
+
+                return $plugin;
+            }
+        );
+    }
+};

plugins/editors/none/none.php → plugins/editors/none/src/Extension/None.php

@@ -6,11 +6,10 @@
  *
  * @copyright   (C) 2006 Open Source Matters, Inc. <https://www.joomla.org>
  * @license     GNU General Public License version 2 or later; see LICENSE.txt
-
- * @phpcs:disable PSR1.Classes.ClassDeclaration.MissingNamespace
  */
 
-use Joomla\CMS\Factory;
+namespace Joomla\Plugin\Editors\None\Extension;
+
 use Joomla\CMS\Layout\LayoutHelper;
 use Joomla\CMS\Plugin\CMSPlugin;
 use Joomla\Event\Event;
@@ -24,7 +23,7 @@
  *
  * @since  1.5
  */
-class PlgEditorNone extends CMSPlugin
+final class None extends CMSPlugin
 {
     /**
      * Display the editor area.
@@ -71,7 +70,7 @@ public function onDisplay(
 
         $readonly = !empty($params['readonly']) ? ' readonly disabled' : '';
 
-        Factory::getDocument()->getWebAssetManager()
+        $this->getApplication()->getDocument()->getWebAssetManager()
             ->registerAndUseScript(
                 'webcomponent.editor-none',
                 'plg_editors_none/joomla-editor-none.min.js',
@@ -83,7 +82,7 @@ public function onDisplay(
             . '<textarea name="' . $name . '" id="' . $id . '" cols="' . $col . '" rows="' . $row
             . '" style="width: ' . $width . '; height: ' . $height . ';"' . $readonly . '>' . $content . '</textarea>'
             . '</joomla-editor-none>'
-            . $this->_displayButtons($id, $buttons, $asset, $author);
+            . $this->displayButtons($id, $buttons, $asset, $author);
     }
 
     /**
@@ -96,7 +95,7 @@ public function onDisplay(
      *
      * @return  void|string HTML
      */
-    public function _displayButtons($name, $buttons, $asset, $author)
+    private function displayButtons($name, $buttons, $asset, $author)
     {
         if (is_array($buttons) || (is_bool($buttons) && $buttons)) {
             $buttonsEvent = new Event(