[Zope3-checkins] CVS: Zope3/src/zope/app/utilities - instance.zcml:1.1.2.1 configure.zcml:1.1.2.6 instance.py:1.1.2.2

[Stephan Richter]

Update of /cvs-repository/Zope3/src/zope/app/utilities
In directory cvs.zope.org:/tmp/cvs-serv13216/utilities

Modified Files:
      Tag: dreamcatcher-ttwschema-branch
	configure.zcml instance.py 
Added Files:
      Tag: dreamcatcher-ttwschema-branch
	instance.zcml 
Log Message:
This is the start of on-the-fly object types. 


=== Added File Zope3/src/zope/app/utilities/instance.zcml ===
<configure
  xmlns="http://namespaces.zope.org/zope"
  xmlns:browser="http://namespaces.zope.org/browser">

  <content class=".instance.DocumentInstance">

    <implements
      interface="zope.app.interfaces.annotation.IAttributeAnnotatable" />

  </content>

  <browser:page
      name="edit.html"
      menu="zmi_views" title="Edit"
      for=".instance.IDocumentInstance"
      permission="zope.ManageContent"
      class=".instance.EditDocumentView"
      attribute="generated_form" />

  <!-- Directives to test the Document Instance -->
  <browser:addform
      label="New Document"
      name="AddDocument"
      schema=".instance.IDocumentInstance"
      permission="zope.ManageContent"
      content_factory=".instance.DocumentInstance"
      arguments="__name__ __schema__"
      fields="__name__ __schema__" 
      menu="add_content" title="Schema Document"/>

</configure>


=== Zope3/src/zope/app/utilities/configure.zcml 1.1.2.5 => 1.1.2.6 ===
--- Zope3/src/zope/app/utilities/configure.zcml:1.1.2.5	Wed Aug 13 11:44:05 2003
+++ Zope3/src/zope/app/utilities/configure.zcml	Wed Aug 13 14:31:08 2003
@@ -164,4 +164,6 @@
       class=".traversal.SchemaFieldTraverser"
       permission="zope.Public" />
 
+  <include file="instance.zcml" />
+
 </configure>


=== Zope3/src/zope/app/utilities/instance.py 1.1.2.1 => 1.1.2.2 ===
--- Zope3/src/zope/app/utilities/instance.py:1.1.2.1	Wed Aug 13 13:27:46 2003
+++ Zope3/src/zope/app/utilities/instance.py	Wed Aug 13 14:31:08 2003
@@ -19,15 +19,39 @@
 
 from persistence import Persistent
 from persistence.dict import PersistentDict
+from zope.app.component.interfacefield import InterfaceField
 from zope.context import ContextMethod
-from zope.interface import directlyProvides, implements
-from zope.schema import getFields
+from zope.interface import directlyProvides, implements, Interface
+from zope.schema import getFields, TextLine
 from zope.security.checker import CheckerPublic, Checker, defineChecker
 
-class ContentObjectInstance(Persistent):
 
-    def __init__(self, schema=None, schemaPermissions=None):
-        super(ContentObjectInstance, self).__init__()
+class IDocumentInstance(Interface):
+    """Interface describing a Conten Object Instance"""
+
+    __name__ = TextLine(
+        title=u"Name of Document Type",
+        description=u"""This is the name of the document type.""",
+        required=True)
+
+    __schema__ = InterfaceField(
+        title=u"Schema",
+        description=u"Specifies the schema that characterizes the document.",
+        required=True)
+
+    
+class DocumentInstance(Persistent):
+
+    implements(IDocumentInstance)
+
+    def __init__(self, name, schema, schemaPermissions=None):
+        super(DocumentInstance, self).__init__()
+
+        # Save the name of the object
+        self.__name__ = name
+
+        # XXX: We really should make a copy of the schema first, so that it
+        #      cannot be changed.
         self.__schema = schema
         # Add the new attributes, if there was a schema passed in
         if schema is not None:
@@ -36,6 +60,8 @@
             directlyProvides(self, schema)
 
             # Build up a Checker rules and store it for later
+            if schemaPermissions is None:
+                schemaPermissions = {}
             self.__checker_getattr = PersistentDict()
             self.__checker_setattr = PersistentDict()
             for name in getFields(schema):
@@ -48,18 +74,17 @@
 
 
     def __setattr__(self, key, value):
-        if key in ('_ContentObjectInstance__schema',
-                   '_ContentObjectInstance__checker_getattr',
-                   '_ContentObjectInstance__checker_setattr',
-                   'getChecker', 'getSchema') or \
-               key.startswith('_p_'):
-            return super(ContentObjectInstance, self).__setattr__(key, value)
+        if (key in ('getSchema',) or
+            key.startswith('_p_') or
+            key.startswith('__') or
+            key.startswith('_DocumentInstance__')):
+            return super(DocumentInstance, self).__setattr__(key, value)
 
         is_schema_field = self.__schema is not None and \
                           key in getFields(self.__schema).keys()
 
         if is_schema_field:
-            super(ContentObjectInstance, self).__setattr__(key, value)
+            super(DocumentInstance, self).__setattr__(key, value)
         else:
             raise AttributeError, 'Attribute not available'
 
@@ -69,15 +94,25 @@
     def getSchema(self):
         return self.__schema
 
+    def __repr__(self):
+        return '<DocumentInstance called %s>' %self.__name__
+    
 
-def ContentObjectInstanceChecker(instance):
+def DocumentInstanceChecker(instance):
     """A function that can be registered as a Checker in defineChecker()"""
     return Checker(instance.__checker_getattr.get,
                    instance.__checker_setattr.get)
 
-defineChecker(ContentObjectInstance, ContentObjectInstanceChecker)
+defineChecker(DocumentInstance, DocumentInstanceChecker)
+
+
+from zope.app.browser.form.editview import EditView
+
+class EditDocumentView(EditView):
+
+    def __init__(self, context, request):
+        self.schema = context.getSchema()
+        self.label = 'Edit %s' %context.__name__
+        super(EditDocumentView, self).__init__(context, request)
 
 
-class EditContentObject:
-    pass
-