allow for explicit setting of name when creating object; simple property to get instances of a type

browser/form.py

@@ -668,6 +668,9 @@ class CreateObject(EditObject):
     def container(self):
         return self.loopsRoot.getResourceManager()
 
+    def getName(self):
+        return None
+
     def getNameFromData(self):
         data = self.request.form.get('data')
         if data and isinstance(data, FileUpload):
@@ -686,8 +689,9 @@ class CreateObject(EditObject):
         if not title:
             raise BadRequest('Title field is empty')
         obj = self.factory(title)
+        name = self.getName()
+        if name is None:
             name = self.getNameFromData()
-        # TODO: validate fields
             name = INameChooser(container).chooseName(name, obj)
         container[name] = obj
         tc = form.get('form.type') or self.defaultTypeToken
@@ -695,6 +699,7 @@ class CreateObject(EditObject):
         notify(ObjectCreatedEvent(obj))
         #notify(ObjectAddedEvent(obj))
         self.object = obj
+        # TODO: validate fields
         formState = self.updateFields() # TODO: suppress validation
         self.view.formState = formState
         # TODO: error handling

type.py

@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2006 Helmut Merz helmutm@cy55.de
+#  Copyright (c) 2012 Helmut Merz helmutm@cy55.de
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -18,8 +18,6 @@
 
 """
 Type management stuff.
-
-$Id$
 """
 
 from zope import component, schema
@@ -36,6 +34,7 @@ from loops.interfaces import ILoopsObject, IConcept, IResource
 from loops.interfaces import ITypeConcept
 from loops.interfaces import IResourceAdapter, IFile, IExternalFile, IImage
 from loops.interfaces import ITextDocument, INote
+from loops.common import adapted
 from loops.concept import Concept
 from loops.resource import Resource, Document, MediaAsset
 from loops.common import AdapterBase
@@ -267,6 +266,11 @@ class TypeConcept(AdapterBase):
         self.context._options = value
     options = property(getOptions, setOptions)
 
+    @property
+    def typeInstances(self):
+        tp = self.context.getConceptManager().getTypePredicate()
+        return [adapted(c) for c in self.context.getChildren([tp])]
+
 
 class TypeInterfaceSourceList(object):