more on breadcrumbs: for resources; get view for breadcrumbs parent via new standard NodeView method

browser/node.py

@@ -444,9 +444,7 @@ class NodeView(BaseView):
     def targetRender(self):
         return u'<div>%s</div>' % self.targetView('download.html', 'show')
 
-    @Lazy
-    def virtualTarget(self):
-        obj = self.virtualTargetObject
+    def getViewForTarget(self, obj):
         if obj is not None:
             basicView = component.getMultiAdapter((obj, self.request))
             if obj == self.targetObject:
@@ -456,6 +454,10 @@ class NodeView(BaseView):
             if hasattr(basicView, 'view'):
                 return basicView.view
 
+    @Lazy
+    def virtualTarget(self):
+        return self.getViewForTarget(self.virtualTargetObject)
+
     @Lazy
     def targetId(self):
         target = self.virtualTargetObject

browser/resource.py

@@ -18,8 +18,6 @@
 
 """
 View class for resource objects.
-
-$Id$
 """
 
 import urllib
@@ -134,9 +132,6 @@ class ResourceView(BaseView):
         else:
             return self.template.macros['download']
 
-    #def __init__(self, context, request):
-    #    super(ResourceView, self).__init__(context, request)
-
     def setupController(self):
         cont = self.controller
         if cont is None:
@@ -157,6 +152,20 @@ class ResourceView(BaseView):
                             subMacro=version_macros.macros['portlet_versions'],
                             priority=25, info=self)
 
+    def breadcrumbs(self):
+        data = []
+        if self.breadcrumbsParent is not None:
+            data.extend(self.breadcrumbsParent.breadcrumbs())
+        if self.context != self.nodeView.targetObject:
+            data.append(dict(label=self.title,
+                             url=self.nodeView.getUrlForTarget(self.context)))
+        return data
+
+    @Lazy
+    def breadcrumbsParent(self):
+        for c in self.context.getConcepts([self.defaultPredicate]):
+            return self.nodeView.getViewForTarget(c)
+
     @Lazy
     def view(self):
         context = self.context