Multi-language View

src/View.php

@@ -347,12 +347,16 @@ public function renderFile(string $viewFile, array $parameters = [], ?ViewContex
             $viewFile = $this->theme->applyTo($viewFile);
         }
 
-        if (is_file($viewFile)) {
-            $viewFile = $this->localize($viewFile);
-        } else {
+        if (!is_file($viewFile)) {
             throw new ViewNotFoundException("The view file does not exist: $viewFile");
         }
 
+        $contextLanguage = null;
+        if ($context !== null) {
+            $contextLanguage = $context->getLanguage();
+        }
+        $viewFile = $this->localize($viewFile, $contextLanguage);
+
         $oldContext = $this->context;
         if ($context !== null) {
             $this->context = $context;

src/ViewContextInterface.php

@@ -7,12 +7,18 @@
 /**
  * ViewContextInterface is the interface that should implemented by classes who want to support relative view names.
  *
- * The method {@see ViewContextInterface::getViewPath()} should be implemented to return the view path that may be prefixed to a relative view name.
+ * The method {@see ViewContextInterface::getViewPath()} should be implemented to return the view path that may
+ * be prefixed to a relative view name.
  */
 interface ViewContextInterface
 {
     /**
-     * @return string the view path that may be prefixed to a relative view name.
+     * @return string The view path that may be prefixed to a relative view name.
      */
     public function getViewPath(): string;
+
+    /**
+     * @return string The language to use when choosing a view.
+     */
+    public function getLanguage(): ?string;
 }