Alex second contribution

Classes/Eel/Helper/PackageManagerHelper.php

@@ -0,0 +1,58 @@
+<?php
+namespace Breadlesscode\NodeTypes\Folder\Eel\Helper;
+
+use Neos\Flow\Annotations as Flow;
+use Neos\Eel\ProtectedContextAwareInterface;
+use Neos\Flow\ObjectManagement\ObjectManagerInterface;
+use Neos\Flow\Package\Exception\UnknownPackageException;
+use Neos\Flow\Package\PackageManager;
+
+class PackageManagerHelper implements ProtectedContextAwareInterface
+{
+    /**
+     * @Flow\Inject
+     * @var ObjectManagerInterface
+     */
+    protected $objectManager;
+
+    /**
+     * @return string
+     */
+    public function getNeosUiMajorVersion(): string
+    {
+        return preg_replace('#^v?(\d+)\.(\d+)\.(\d+)$#', '$1', $this->getNeosUiVersion());
+    }
+
+    /**
+     * @return string
+     */
+    public function getNeosUiMinorVersion(): string
+    {
+        return preg_replace('#^v?(\d+)\.(\d+)\.(\d+)$#', '$1.$2', $this->getNeosUiVersion());
+    }
+
+    /**
+     * @return string
+     */
+    public function getNeosUiVersion(): string
+    {
+        try {
+            $packageManager = $this->objectManager->get(PackageManager::class);
+            $neosUiPackage = $packageManager->getPackage('Neos.Neos.Ui');
+            return $neosUiPackage->getInstalledVersion();
+        } catch (UnknownPackageException $e) {
+            return '0.0.0';
+        }
+    }
+
+    /**
+     * All methods are considered safe
+     *
+     * @param string $methodName
+     * @return boolean
+     */
+    public function allowsCallOfMethod($methodName): bool
+    {
+        return true;
+    }
+}

Configuration/Settings.yaml

@@ -1,4 +1,7 @@
 Neos:
+  Fusion:
+    defaultContext:
+      'Breadlesscode.NodeTypes.Folder.PackageManager': 'Breadlesscode\NodeTypes\Folder\Eel\Helper\PackageManagerHelper'
   Neos:
     userInterface:
       translation:

Resources/Private/Fusion/Document/Folder.fusion

@@ -26,16 +26,22 @@ prototype(Breadlesscode.NodeTypes.Folder:Document.Folder) < prototype(Neos.Fusio
             }
             body {
                 templatePath = 'resource://Breadlesscode.NodeTypes.Folder/Private/Templates/Folder.html'
-                title = ${q(node).property('title')}
+                title = ${q(documentNode).property('title')}
+                version = ${Breadlesscode.NodeTypes.Folder.PackageManager.getNeosUiMajorVersion()}
             }
         }
     }
 
     default {
         condition = true
-        renderer = Neos.Neos:Page {
-            body = Neos.Neos:Shortcut {
-                targetMode = 'parentNode'
+        renderer = Neos.Fusion:Http.Message {
+            httpResponseHead {
+                statusCode = 301
+                headers {
+                    Location = Neos.Neos:NodeUri {
+                        node = ${q(documentNode).parent().get(0)}
+                    }
+                }
             }
         }
     }

Resources/Private/Templates/Folder.html

@@ -1,4 +1,4 @@
-<div id="breadlesscode-node-types-folder">
+<div id="breadlesscode-node-types-folder" class="btnf-neos-version-{version}">
     <div class="bntf-inner">
         <div class="bntf-icon"><i class="fas fa-folder"></i></div>
         <div class="bntf-title">{title}</div>

Resources/Public/Styles/Folder.css

@@ -6,16 +6,19 @@
     height: 100%;
     background-color: #222222;
     z-index: 9999;
-    /*
-    The Neos 7 backend normally uses the "Noto Sans" font,
-    which is no longer available as of 14 January 2023 in
-    the Neos.Neos package due to an incorrect file path in
-    Neos.css.
-    */
-    font-family: sans-serif;
+    font-family: "Noto Sans", sans-serif;
     -webkit-font-smoothing: antialiased;
 }
 
+/*
+The Neos backend normally uses the "Noto Sans" font,
+which is not available in Neos 5 due to an incorrect
+file path in Neos.css.
+*/
+#breadlesscode-node-types-folder.btnf-neos-version-5 {
+    font-family: sans-serif;
+}
+
 #breadlesscode-node-types-folder > div.bntf-inner {
     position: relative;
     width: 260px;