[FEATURE] Add new AfterRichtextConfigurationPreparedEvent (#6007)

* [FEATURE] Add new AfterRichtextConfigurationPreparedEvent

Resolves: TYPO3-Documentation/Changelog-To-Doc#1304

Releases: main

* Fix CGL

Releases: main

Author: linawolf

Documentation/ApiOverview/Events/Events/Core/Configuration/AfterRichtextConfigurationPreparedEvent.rst

@@ -0,0 +1,32 @@
+..  include:: /Includes.rst.txt
+..  index:: Events; AfterRichtextConfigurationPreparedEvent
+
+..  _AfterRichtextConfigurationPreparedEvent:
+
+=======================================
+AfterRichtextConfigurationPreparedEvent
+=======================================
+
+..  versionadded:: 14.0
+
+The PSR-14 event
+:php:`\TYPO3\CMS\Core\Configuration\Event\AfterRichtextConfigurationPreparedEvent`
+allows to modify the richtext configuration after it has been fetched and prepared.
+
+..  _AfterRichtextConfigurationPreparedEvent-example:
+
+Example: Enable debugging in the rich text editor
+=================================================
+
+The following event listener enables debugging in the rich text editor:
+
+..  literalinclude:: _AfterRichtextConfigurationPreparedEvent/_MyEventListener.php
+    :language: php
+    :caption: EXT:my_extension/Classes/Configuration/EventListener/EnableDebugRichTextEditorEventListener.php
+
+..  _AfterRichtextConfigurationPreparedEvent-api:
+
+API
+===
+
+..  include:: /CodeSnippets/Events/Core/AfterRichtextConfigurationPreparedEvent.rst.txt

Documentation/ApiOverview/Events/Events/Core/Configuration/_AfterRichtextConfigurationPreparedEvent/_MyEventListener.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MyVendor\MyExtension\Configuration\EventListener;
+
+use TYPO3\CMS\Core\Attribute\AsEventListener;
+use TYPO3\CMS\Core\Configuration\Event\AfterRichtextConfigurationPreparedEvent;
+
+final class EnableDebugRichTextEditorEventListener
+{
+    #[AsEventListener('my-package/configuration/modify-richtext-configuration')]
+    public function __invoke(AfterRichtextConfigurationPreparedEvent $event): void
+    {
+        $config = $event->getConfiguration();
+        $config['editor']['config']['debug'] = true;
+        $event->setConfiguration($config);
+    }
+}

Documentation/CodeSnippets/Config/Api/Events/EventsCore.php

@@ -338,4 +338,10 @@
         'targetFileName' => 'CodeSnippets/Events/Core/RecordCreationEvent.rst.txt',
         'withCode' => false,
     ],
+    [
+        'action' => 'createPhpClassDocs',
+        'class' => \TYPO3\CMS\Core\Configuration\Event\AfterRichtextConfigurationPreparedEvent::class,
+        'targetFileName' => 'CodeSnippets/Events/Core/AfterRichtextConfigurationPreparedEvent.rst.txt',
+        'withCode' => false,
+    ],
 ];

Documentation/CodeSnippets/Events/Core/AfterRichtextConfigurationPreparedEvent.rst.txt

@@ -0,0 +1,11 @@
+..  Generated by https://github.com/TYPO3-Documentation/t3docs-codesnippets
+..  php:namespace::  TYPO3\CMS\Core\Configuration\Event
+
+..  php:class:: AfterRichtextConfigurationPreparedEvent
+
+    ..  php:method:: getConfiguration()
+        :returns: `array`
+
+    ..  php:method:: setConfiguration(array $configuration)
+
+        :param $configuration: the configuration