Changeset 4079 for waeup/branches/ulif-rewrite

Timestamp:

25 Apr 2009, 13:36:17 (16 years ago)

Author:

uli

Message:

Use real factories for FacultyContainer?.

File:

• waeup/branches/ulif-rewrite/src/waeup/university/facultycontainer.py (modified) (3 diffs)

waeup/branches/ulif-rewrite/src/waeup/university/facultycontainer.py

@@ -1 +1 @@
 import grok
 from zope.component import getUtility
-from zope.component.interfaces import Invalid
+from zope.component.factory import Factory
+from zope.component.interfaces import Invalid, IFactory
 from zope.exceptions import DuplicationError
+from zope.interface import implementedBy
 from waeup.interfaces import IFacultyContainer, IFaculty
 from waeup.viewlets import MainArea, LeftSidebar, Index, Add, FormWrapMixin
@@ -14 +16 @@
     # A simple counter for ids.
     next_id = 0L
-    
+
     def addFaculty(self, faculty):
         if not IFaculty.providedBy(faculty):
@@ -25 +27 @@
         return id
 
-# We register FacultyContainer as a utility. This way we can
-# call getUtility(IFacultyContainer) from anywhere in the code and
-# get an instance of FacultyContainer.
-grok.global_utility(FacultyContainer, provides=IFacultyContainer)
+class FacultyContainerFactory(grok.GlobalUtility):
+    """A factory for faculty containers.
+    """
+    grok.implements(IFactory)
+    grok.name(u'waeup.FacultyContainer')
+    title = u"Create a new faculty container.",
+    description = u"This factory instantiates new faculty containers."
+
+    def __call__(self):
+        return FacultyContainer()
+
+    def getInterfaces(self):
+        return implementedBy(FacultyContainer)
 
 #