!!! FEATURE: Reimplement EditPreviewModes for Neos 9

Neos.Neos/Classes/Controller/Frontend/NodeController.php

@@ -35,7 +35,9 @@
 use Neos\Flow\Security\Context as SecurityContext;
 use Neos\Flow\Session\SessionInterface;
 use Neos\Flow\Utility\Now;
+use Neos\Neos\Domain\Model\RenderingMode;
 use Neos\Neos\Domain\Service\NodeSiteResolvingService;
+use Neos\Neos\Domain\Service\RenderingModeService;
 use Neos\Neos\FrontendRouting\Exception\InvalidShortcutException;
 use Neos\Neos\FrontendRouting\Exception\NodeNotFoundException;
 use Neos\Neos\FrontendRouting\NodeAddress;
@@ -108,6 +110,9 @@ class NodeController extends ActionController
      */
     protected $nodeSiteResolvingService;
 
+    #[Flow\Inject]
+    protected RenderingModeService $renderingModeService;
+
     /**
      * @param string $node Legacy name for backwards compatibility of route components
      * @throws NodeNotFoundException
@@ -122,6 +127,9 @@ class NodeController extends ActionController
      */
     public function previewAction(string $node): void
     {
+        // @todo add $renderingModeName as parameter and append it for successive links again as get parameter to node uris
+        $renderingMode = $this->renderingModeService->findByCurrentUser();
+
         $visibilityConstraints = VisibilityConstraints::frontend();
         if ($this->privilegeManager->isPrivilegeTargetGranted('Neos.Neos:Backend.GeneralAccess')) {
             $visibilityConstraints = VisibilityConstraints::withoutRestrictions();
@@ -161,6 +169,8 @@ public function previewAction(string $node): void
             $this->handleShortcutNode($nodeAddress, $contentRepository);
         }
 
+        $this->view->setOption('renderingModeName', $renderingMode->name);
+
         $this->view->assignMultiple([
             'value' => $nodeInstance,
             'site' => $site,
@@ -234,6 +244,8 @@ public function showAction(string $node, bool $showInvisible = false): void
             $this->handleShortcutNode($nodeAddress, $contentRepository);
         }
 
+        $this->view->setOption('renderingModeName', RenderingMode::FRONTEND);
+
         $this->view->assignMultiple([
             'value' => $nodeInstance,
             'site' => $site,

Neos.Neos/Classes/Domain/Model/RenderingMode.php

@@ -0,0 +1,80 @@
+<?php
+
+/*
+ * This file is part of the Neos.Neos package.
+ *
+ * (c) Contributors of the Neos Project - www.neos.io
+ *
+ * This package is Open Source Software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
+
+declare(strict_types=1);
+
+namespace Neos\Neos\Domain\Model;
+
+use Neos\Neos\Domain\Exception;
+
+/**
+ * Describes the mode in which the Neos interface is rendering currently,
+ * mainly distinguishing between edit and preview modes currently.
+ */
+class RenderingMode
+{
+    public const FRONTEND = 'frontend';
+
+    /**
+     * @param array<string,mixed> $options
+     */
+    public function __construct(
+        public readonly string $name,
+        public readonly bool $isEdit,
+        public readonly bool $isPreview,
+        public readonly string $title,
+        public readonly string $fusionPath,
+        public readonly array $options
+    ) {
+    }
+
+    /**
+     * Creates a rendering mode from its configuration
+     *
+     * @param string $modeName
+     * @param array<string,mixed> $configuration
+     */
+    public static function createFromConfiguration(string $modeName, array $configuration): RenderingMode
+    {
+        if ($modeName === RenderingMode::FRONTEND) {
+            throw new Exception(
+                'Cannot instantiate system rendering mode "frontend" from configuration.'
+                . ' Please use RenderingMode::createFrontend().',
+                1694802951840
+            );
+        }
+        $mode = new RenderingMode(
+            $modeName,
+            $configuration['isEditingMode'] ?? false,
+            $configuration['isPreviewMode'] ?? false,
+            $configuration['title'] ?? $modeName,
+            $configuration['fusionRenderingPath'] ?? '',
+            $configuration['options'] ?? [],
+        );
+        return $mode;
+    }
+
+    /**
+     * Creates the system integrated rendering mode 'frontend'
+     */
+    public static function createFrontend(): RenderingMode
+    {
+        return new RenderingMode(
+            RenderingMode::FRONTEND,
+            false,
+            false,
+            'Frontend',
+            '',
+            []
+        );
+    }
+}