def can_enable_forth_level(self):
""" Helper method used by the actions to know if they should
be displayed or not
"""
context = self._get_real_context()
sm = getSecurityManager()
if not sm.checkPermission("Portlets: Manage portlets", context):
return False
depth = len(context.getPhysicalPath()[2:])
if depth == 3 and not IForthLevelNavigation.providedBy(context):
return True
else:
return False
def is_enabled(self):
context = self._get_real_context()
return IForthLevelNavigation.providedBy(context)
