--- ECHO_content/ECHO_Nav.py	2008/08/21 07:44:56	1.82
+++ ECHO_content/ECHO_Nav.py	2012/08/29 07:53:31	1.84.2.3
@@ -1,4 +1,6 @@
 # Objekte zur Erzeugung von Navigationselement
+# 29-8-2012 Referenzen zum Storagemanager entfernt
+
 from AccessControl import ClassSecurityInfo
 from Globals import DTMLFile
 from OFS.Image import Image,cookId
@@ -29,6 +31,7 @@ from Products.PageTemplates.ZopePageTemp
 import os.path
 
 import urllib
+import ECHO_helpers
 from ECHO_helpers import displayTypes,checkOnlyOneInGroup,unicodify
 from ECHO_collection import content_html
 import logging
@@ -381,7 +384,14 @@ class ECHO_pageTemplate(ZopePageTemplate
         else:
             return 0
 
-
+    def getCrumb(self):
+        """returns breadcrumb for this object"""
+        return ECHO_helpers.getCrumb(self)
+
+    def getHierCrumbs(self):
+        """returns a list of hierarchical breadcrumbs from self to the ECHO_root"""
+        return ECHO_helpers.getHierCrumbs(self);    
+    
 
 
     ## def __init__(self, id, text=None, contentType=None):
@@ -556,11 +566,7 @@ class ECHO_navigation(Folder):
 
     displayableMetaTypes=displayTypes
     
-    def getImageViewers(self):
-        """images"""
-        viewers=self.ZopeFind(self.standardImageViewer,obj_metatypes=['OSAS_ViewerObject'])
-        return viewers
-    
+  
     def getR(self):
         """re"""
         return self.REQUEST
@@ -579,6 +585,8 @@ class ECHO_navigation(Folder):
         )
     displayedMetaTypes=displayTypes
     
+   
+    
     def ECHO_navigationConfigForm(self):
         """configForm"""
         pt=PageTemplateFile(os.path.join(package_home(globals()),'zpt','ChangeECHO_navigation.zpt')).__of__(self)
@@ -589,7 +597,7 @@ class ECHO_navigation(Folder):
         self.title=title
         self.pathToHierarchy=pathToHierarchy
         self.displayedMetaTypes=toList(displayedMetaTypes)[0:]
-
+       
 
         if RESPONSE is not None:
             RESPONSE.redirect('manage_main')
@@ -754,7 +762,7 @@ class ECHO_navigation(Folder):
 	
 	if len(item)<2:
 		return 0
-        #falls exakte Übereinstimmung dann immer 1
+        #falls exakte Uebereinstimmung dann immer 1
         if  (testStr==item[1]) and (self.REQUEST.get('QUERY_STRING','')==''):
             
             return 1
@@ -796,8 +804,25 @@ class ECHO_navigation(Folder):
             return style + 'sel'
         else:
             return style
+
+
+    def getCrumb(self):
+        """returns breadcrumb for this object"""
+        # ignore this object if title is empty
+        if not self.title:
+            return None
         
-    
+        # we use title for the label TODO: add label to ECHO_root
+        crumb = {'obj': self,
+                 'url': self.absolute_url(),
+                 'label': self.title}
+        return crumb        
+
+    def getHierCrumbs(self):
+        """returns a list of hierarchical breadcrumbs from self to the ECHO_root"""
+        return ECHO_helpers.getHierCrumbs(self)
+
+
     def buttonsFromHash(self,hash,start=None,orientation="horizontal"):
         
         """Generate Buttons"""