From 39be5f41165fe3b35649e6e2f65301f40c8bf0c1 Mon Sep 17 00:00:00 2001
From: Christian Weiske <cweiske@cweiske.de>
Date: Wed, 28 Jun 2017 13:40:15 +0200
Subject: [PATCH]

---
 README.rst |  1 +
 code.php   | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 README.rst
 create mode 100644 code.php

diff --git a/README.rst b/README.rst
new file mode 100644
index 0000000..920b2e2
--- /dev/null
+++ b/README.rst
@@ -0,0 +1 @@
+inside a view helper
\ No newline at end of file
diff --git a/code.php b/code.php
new file mode 100644
index 0000000..86e082a
--- /dev/null
+++ b/code.php
@@ -0,0 +1,33 @@
+<?php
+use FluidTYPO3\Vhs\Traits\DefaultRenderMethodViewHelperTrait;
+use FluidTYPO3\Vhs\Traits\TemplateVariableViewHelperTrait;
+use TYPO3\CMS\Fluid\Core\Rendering\RenderingContextInterface;
+use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
+use TYPO3\CMS\Backend\Utility\BackendUtility;
+
+class FooViewHelper extends AbstractViewHelper
+{
+    use DefaultRenderMethodViewHelperTrait;
+    use TemplateVariableViewHelperTrait;
+
+    public static function renderStatic(
+        array $arguments,
+        \Closure $renderChildrenClosure,
+        RenderingContextInterface $renderingContext
+    ) {
+        $tvc = $renderingContext->getTemplateVariableContainer();
+        if ($tvc->exists('record')) {
+            //TYPO3 backend list view
+            $pageRecord = $tvc->get('record');
+            $pageUid = $pageRecord['uid'];
+        } else {
+            //TYPO3 backend page record edit
+            //FIXME: is there a better way to detect the currently selected page
+            // in the typo3 backend?
+            $pageUid = current(array_keys($_GET['edit']['pages']));
+        }
+
+        //...
+    }
+}
+?>
-- 
2.30.2