Block rendering templates in backend

Injected `RequestStack` and `ScopeMatcher` into several Grid element classes and added checks to bypass rendering when a backend request is detected. This prevents unnecessary output in the backend context, improving efficiency and clarity.
clickpress · Oct 16, 2024 · e3b6320 · e3b6320
1 parent a01e922
commit e3b6320
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Showing 4 changed files with 53 additions and 1 deletion.
diff --git a/src/Element/GridColumnStart.php b/src/Element/GridColumnStart.php
@@ -16,8 +16,10 @@
 use Contao\ContentModel;
 use Contao\CoreBundle\Controller\ContentElement\AbstractContentElementController;
 use Contao\CoreBundle\DependencyInjection\Attribute\AsContentElement;
+use Contao\CoreBundle\Routing\ScopeMatcher;
 use Contao\Template;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpFoundation\Response;
 
 /**
@@ -31,8 +33,18 @@
 #[AsContentElement(type: 'cp_column_start', category: 'cp_grid', template: 'ce_grid_column_start')]
 class GridColumnStart extends AbstractContentElementController
 {
+    public function __construct(
+        readonly RequestStack $requestStack,
+        readonly ScopeMatcher $scopeMatcher,
+    ) {
+    }
+
     protected function getResponse(Template $template, ContentModel $model, Request $request): Response
     {
+        if ($this->scopeMatcher->isBackendRequest()) {
+            return new Response('');
+        }
+
         return $template->getResponse();
     }
 }
diff --git a/src/Element/GridColumnStop.php b/src/Element/GridColumnStop.php
@@ -16,8 +16,10 @@
 use Contao\ContentModel;
 use Contao\CoreBundle\Controller\ContentElement\AbstractContentElementController;
 use Contao\CoreBundle\DependencyInjection\Attribute\AsContentElement;
+use Contao\CoreBundle\Routing\ScopeMatcher;
 use Contao\Template;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpFoundation\Response;
 
 /**
@@ -28,11 +30,26 @@
  * @author Stefan Schulz-Lauterbach <[email protected]>
  */
 
-#[AsContentElement('cp_column_stop', 'cp_grid', template: 'ce_grid_column_stop')]
+#[AsContentElement(type: 'cp_column_stop', category: 'cp_grid', template: 'ce_grid_column_stop')]
 class GridColumnStop extends AbstractContentElementController
 {
+    public function __construct(
+        readonly RequestStack $requestStack,
+        readonly ScopeMatcher $scopeMatcher,
+    ) {
+    }
+
     protected function getResponse(Template $template, ContentModel $model, Request $request): Response
     {
+        if ($this->scopeMatcher->isBackendRequest()) {
+            return new Response('');
+        }
+
+        $parentKey = ($model->ptable ?: 'tl_article') . '__' . $model->pid;
+        if (isset($GLOBALS['TL_CP_GRID'][$parentKey]) && !$GLOBALS['TL_CP_GRID'][$parentKey]['active']) {
+            $GLOBALS['TL_CP_GRID'][$parentKey]['active'] = true;
+        }
+
         return $template->getResponse();
     }
 }
diff --git a/src/Element/GridStart.php b/src/Element/GridStart.php
@@ -16,8 +16,10 @@
 use Contao\ContentModel;
 use Contao\CoreBundle\Controller\ContentElement\AbstractContentElementController;
 use Contao\CoreBundle\DependencyInjection\Attribute\AsContentElement;
+use Contao\CoreBundle\Routing\ScopeMatcher;
 use Contao\Template;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpFoundation\Response;
 
 /**
@@ -31,9 +33,19 @@
 #[AsContentElement(type: 'cp_grid_start', category: 'cp_grid', template: 'ce_grid_start')]
 class GridStart extends AbstractContentElementController
 {
+    public function __construct(
+        readonly RequestStack $requestStack,
+        readonly ScopeMatcher $scopeMatcher,
+    ) {
+    }
+
     protected function getResponse(Template $template, ContentModel $model, Request $request): Response
     {
 
+        if ($this->scopeMatcher->isBackendRequest()) {
+            return new Response('');
+        }
+
         $template->gridClasses = '';
 
         $parentKey = ($model->ptable ?: 'tl_article') . '__' . $model->pid;

diff --git a/src/Element/GridStop.php b/src/Element/GridStop.php
@@ -16,8 +16,10 @@
 use Contao\ContentModel;
 use Contao\CoreBundle\Controller\ContentElement\AbstractContentElementController;
 use Contao\CoreBundle\DependencyInjection\Attribute\AsContentElement;
+use Contao\CoreBundle\Routing\ScopeMatcher;
 use Contao\Template;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpFoundation\Response;
 
 use const E_USER_WARNING;
@@ -33,8 +35,17 @@
 #[AsContentElement(type: 'cp_grid_stop', category: 'cp_grid', template: 'ce_grid_stop')]
 class GridStop extends AbstractContentElementController
 {
+    public function __construct(
+        readonly RequestStack $requestStack,
+        readonly ScopeMatcher $scopeMatcher,
+    ) {
+    }
+
     protected function getResponse(Template $template, ContentModel $model, Request $request): Response
     {
+        if ($this->scopeMatcher->isBackendRequest()) {
+            return new Response('');
+        }
 
         $parentKey = ($model->ptable ?: 'tl_article') . '__' . $model->pid;