From df3ae0179bf9d18527e4b9ea5c0b410f526217b7 Mon Sep 17 00:00:00 2001
From: hplattner <hannes@plattneronline.de>
Date: Thu, 25 Aug 2016 12:17:14 +0200
Subject: [PATCH] add canonicalURl to Layout TextView

---
 layout/browser/resource.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/layout/browser/resource.py b/layout/browser/resource.py
index a6f343a..ef18ba4 100644
--- a/layout/browser/resource.py
+++ b/layout/browser/resource.py
@@ -50,3 +50,15 @@ class TextView(BaseView):
 
     def render(self):
         return self.renderText(self.context.data, self.context.contentType)
+
+    @Lazy
+    def canonicalUrl(self):
+        parents = self.context.context.getParents(
+            [self.conceptManager['standard']])
+        for parent in parents:
+            view = component.getMultiAdapter((adapted(parent),
+                                              self.request), name='layout')
+            if view:
+                url = getattr(view, 'canonicalUrl')
+                if url:
+                    return url