--- ECHO_content/ECHO_helpers.py	2006/07/27 15:27:34	1.77
+++ ECHO_content/ECHO_helpers.py	2007/01/23 16:50:11	1.78
@@ -52,6 +52,7 @@ class ECHO_basis:
     security.declarePublic('getImageTag')
     
     management_page_charset="utf-8"
+    isVisible = True
     
     def manage_addECHO_locale(self,lang,title,label,text=None,content_type=None,RESPONSE=None):
             return ECHO_collection.manage_addECHO_locale(self,lang,title,label)
@@ -137,7 +138,31 @@ class ECHO_basis:
             """template fuer content bei einbau und ECHO_Umgebung"""
             
             return content_html(self,type)
-        
+    
+    def getIsVisible(self):
+	"""return if object and all parents are visible"""
+	
+	# if object is not visible return False
+	if hasattr(self,'isVisible'):
+	    if not self.isVisible : return False
+	    
+	# else if parent of object is not ECHO_root, ECHO_basis or None
+	if not self.aq_parent.meta_type in ['ECHO_root','ECHO_basis',None] :
+	    return self.aq_parent.getIsVisible()
+
+	# else return True
+	return True
+
+    def setIsVisible(self, isVisible):
+	""" set object attribute isVisible"""
+	self.isVisible = isVisible
+
+    def getAttributeIsVisible(self):
+	""" return object attribute isVisible"""
+	if hasattr(self,'isVisible'):
+	    return self.isVisible
+	return True
+    
     def getTitle(self):
         """title"""
         if hasattr(self,'getLanguage'):