[Zope3-checkins] CVS: Zope3/src/zope/app/interfaces/component - interfacefield.py:1.3

[Steve Alexander]

Update of /cvs-repository/Zope3/src/zope/app/interfaces/component
In directory cvs.zope.org:/tmp/cvs-serv29407/src/zope/app/interfaces/component

Modified Files:
	interfacefield.py 
Log Message:
Implemented InterfacesField to select several interfaces.
Refined the query interfaces.


=== Zope3/src/zope/app/interfaces/component/interfacefield.py 1.2 => 1.3 ===
--- Zope3/src/zope/app/interfaces/component/interfacefield.py:1.2	Wed Dec 25 09:12:58 2002
+++ Zope3/src/zope/app/interfaces/component/interfacefield.py	Mon Dec 30 13:43:07 2002
@@ -17,14 +17,22 @@
 """
 
 from zope.schema import Field
-from zope.schema.interfaces import IValueSet
+from zope.schema.interfaces import IValueSet, ITuple
 from zope.interface import Interface
 
 class IInterfaceField(IValueSet):
-    u"""Fields with Interfaces as values
-    """
+    u"""A type of Field that has an Interfaces as its value."""
 
     type = Field(title=u"Base type",
                  description=u"All values must extend (or be) this type",
                  default=Interface,
                  )
+
+class IInterfacesField(ITuple):
+    u"""A type of Field that is has a tuple of Interfaces as its value."""
+
+    value_types = Field(
+            title=u"Base type",
+            description=u"All values must extend or be these types",
+            default=(Interface,),
+            )