Adding support for "active" (#4)

* Adding support for "active"

* cs

composer.json

@@ -10,15 +10,15 @@
         }
     ],
     "require": {
-        "php": "^7.2",
-        "symfony/config": "^4.4 || ^5.0",
-        "symfony/dependency-injection": "^4.4 || ^5.0",
-        "symfony/http-kernel": "^4.4 || ^5.0",
-        "symfony/http-foundation": "^4.4 || ^5.0.7",
+        "php": ">=7.2",
+        "symfony/config": "^4.4 || ^5.3 | ^6.0",
+        "symfony/dependency-injection": "^4.4 || ^5.3 | ^6.0",
+        "symfony/http-kernel": "^4.4 || ^5.3 | ^6.0",
+        "symfony/http-foundation": "^4.4 || ^5.3 | ^6.0",
         "twig/twig": "^2.12.5 || ^3.0"
     },
     "require-dev": {
-        "symfony/phpunit-bridge": "^4.4 || ^5.0"
+        "symfony/phpunit-bridge": "^4.4 || ^5.3 | ^6.0"
     },
     "config": {
         "sort-packages": true

src/Model/MenuItem.php

@@ -11,6 +11,13 @@ final class MenuItem
      */
     private $route;
 
+    /**
+     * Is this the current page?
+     *
+     * @var bool
+     */
+    private $active = false;
+
     /**
      * @var array
      */
@@ -85,6 +92,11 @@ public function getChildren(): array
         return $this->children;
     }
 
+    public function hasChildren(): bool
+    {
+        return [] !== $this->children;
+    }
+
     public function setChildren(array $children): void
     {
         $this->children = $children;
@@ -94,4 +106,14 @@ public function addChild(MenuItem $menuItem)
     {
         $this->children[] = $menuItem;
     }
+
+    public function isActive(): bool
+    {
+        return $this->active;
+    }
+
+    public function setActive(bool $active): void
+    {
+        $this->active = $active;
+    }
 }

src/Twig/MenuRuntime.php

@@ -5,6 +5,7 @@
 namespace Happyr\MenuBuilderBundle\Twig;
 
 use Happyr\MenuBuilderBundle\MenuBuilder;
+use Happyr\MenuBuilderBundle\Model\MenuItem;
 use Symfony\Component\HttpFoundation\RequestStack;
 use Twig\Environment;
 use Twig\Extension\RuntimeExtensionInterface;
@@ -27,18 +28,39 @@ public function __construct(RequestStack $requestStack, MenuBuilder $builder, st
 
     public function renderMenu(Environment $twig, string $name, array $options = []): string
     {
+        $menuItems = $this->builder->getMenu($name, $options);
+
         $request = $this->requestStack->getMasterRequest();
         $route = null;
         if (null !== $request) {
             $route = $request->attributes->get('_route', null);
+            $this->markAsActive($menuItems, $route);
         }
 
-        $menuItems = $this->builder->getMenu($name, $options);
-
         return $twig->render($options['template'] ?? $this->defaultTemplate, [
             'menuItems' => $menuItems,
             'route' => $route,
             'options' => $options,
         ]);
     }
+
+    /**
+     * @param MenuItem[] $menuItems
+     */
+    private function markAsActive(array $menuItems, ?string $route): bool
+    {
+        if (null === $route) {
+            return false;
+        }
+
+        $returnValue = false;
+        foreach ($menuItems as $item) {
+            if ($route === $item->getRoute() || ($item->hasChildren() && $this->markAsActive($item->getChildren(), $route))) {
+                $item->setActive(true);
+                $returnValue = true;
+            }
+        }
+
+        return $returnValue;
+    }
 }