Add Container Options

packages/vitec/Classes/UserFunc/UsecaseShowJsonRenderer.php

@@ -11,6 +11,7 @@ use TYPO3\CMS\Core\Attribute\AsAllowedCallable;
 use TYPO3\CMS\Core\Database\ConnectionPool;
 use TYPO3\CMS\Core\Service\FlexFormService;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
 
 /**
  * UserFunc: render a single Success Story as JSON (headless).
@@ -21,12 +22,27 @@ use TYPO3\CMS\Core\Utility\GeneralUtility;
  */
 class UsecaseShowJsonRenderer
 {
+    private ?ContentObjectRenderer $cObj = null;
+
+    /**
+     * TYPO3 v14 hands the ContentObjectRenderer over through this setter only -
+     * ContentObjectRenderer::callUserFunction() duck-types it with
+     * is_callable([$classObj, 'setContentObjectRenderer']). Without the method
+     * $this->cObj stays null, the cObj branch of render() never fires and the
+     * call falls through to page discovery, which picks the FIRST element of
+     * this CType on the page rather than the one actually being rendered.
+     */
+    public function setContentObjectRenderer(ContentObjectRenderer $cObj): void
+    {
+        $this->cObj = $cObj;
+    }
+
     private const TABLE = 'tx_vitec_domain_model_usecase';
 
     #[AsAllowedCallable]
     public function render(string $content, array $conf): string
     {
-        $row = is_array($this->cObj->data ?? null) ? $this->cObj->data : null;
+        $row = is_array($this->cObj?->data ?? null) ? $this->cObj->data : null;
         if ($row && (string)($row['CType'] ?? '') === 'vitec_usecaseshow') {
             return $this->renderForRecord($row);
         }