From 7bc3671d7420b7c3349828d2ba08b1adaf498788 Mon Sep 17 00:00:00 2001
From: Helmut Merz <helmutm@cy55.de>
Date: Sat, 19 Nov 2011 10:12:53 +0100
Subject: [PATCH] work in progress: breadcrumbs

---
 browser/node.py           | 14 ++++++++++++--
 browser/skin/lobo/body.pt |  8 ++++++++
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/browser/node.py b/browser/node.py
index fc5aeb3..9c4cc9b 100644
--- a/browser/node.py
+++ b/browser/node.py
@@ -18,8 +18,6 @@
 
 """
 View class for Node objects.
-
-$Id$
 """
 
 from urlparse import urlparse, urlunparse
@@ -42,6 +40,7 @@ from zope.publisher.defaultview import getDefaultViewName
 from zope.security import canAccess, canWrite, checkPermission
 from zope.security.proxy import removeSecurityProxy
 from zope.traversing.api import getParent, getParents, getPath
+from zope.traversing.browser import absoluteURL
 
 from cybertools.ajax import innerHtml
 from cybertools.browser import configurator
@@ -92,6 +91,17 @@ class NodeView(BaseView):
         self.recordAccess()
         return result
 
+    def breadcrumbs(self):
+        if not self.globalOptions('showBreadcrumbs'):
+            return []
+        menu = self.menu
+        data = [dict(label=menu.title, url=menu.url)]
+        menuItem = self.nearestMenuItem
+        if menuItem != menu.context:
+            data.append(dict(label=menuItem.title,
+                             url=absoluteURL(menuItem, self.request)))
+        return data
+
     def recordAccess(self, viewName=''):
         target = self.virtualTargetObject
         targetUid = target is not None and util.getUidForObject(target) or ''
diff --git a/browser/skin/lobo/body.pt b/browser/skin/lobo/body.pt
index 9d1a66c..6f8f83c 100644
--- a/browser/skin/lobo/body.pt
+++ b/browser/skin/lobo/body.pt
@@ -26,6 +26,14 @@
 
     <div id="content" class="span-6"
          metal:define-macro="content">
+      <metal:breadcrumbs define-slot="breadcrumbs">
+        <div tal:define="crumbs view/breadcrumbs"
+             tal:condition="crumbs">
+          <span tal:repeat="crumb crumbs">
+            <a tal:attributes="href crumb/url"
+               tal:content="crumb/label" />
+            <span tal:condition="not:repeat/crumb/end"> / </span></span>
+        </div></metal:breadcrumbs>
       <div metal:define-slot="actions"></div>
       <div metal:define-slot="message"></div>
       <metal:content define-slot="content">