Implemented the interfaces as discussed on the mailinglist. Put the

field, widget and mime implementation where they belong. Currently 
not handled is the encoding handling and the display of text input 
fields. Changed IFile, File to use the new mime schema field.

browser/__init__.py

@@ -0,0 +1,70 @@
+##############################################################################
+#
+# Copyright (c) 2004 Zope Corporation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+"""Browser widgets
+
+$Id$
+"""
+__docformat__ = 'restructuredtext'
+
+from zope.app.form.browser.widget import BrowserWidget, DisplayWidget
+
+from zope.app.form.browser.textwidgets import TextWidget, BytesWidget
+from zope.app.form.browser.textwidgets import TextAreaWidget, BytesAreaWidget
+from zope.app.form.browser.textwidgets import PasswordWidget, FileWidget
+from zope.app.form.browser.textwidgets import ASCIIWidget
+from zope.app.form.browser.textwidgets import IntWidget, FloatWidget
+from zope.app.form.browser.textwidgets import DatetimeWidget, DateWidget
+from zope.app.form.browser.textwidgets import DatetimeDisplayWidget
+from zope.app.form.browser.textwidgets import DateDisplayWidget
+from zope.app.form.browser.textwidgets import BytesDisplayWidget
+from zope.app.form.browser.textwidgets import MimeDisplayWidget, MimeWidget
+
+# Widgets for boolean fields
+from zope.app.form.browser.boolwidgets import CheckBoxWidget
+from zope.app.form.browser.boolwidgets import BooleanRadioWidget
+from zope.app.form.browser.boolwidgets import BooleanSelectWidget
+from zope.app.form.browser.boolwidgets import BooleanDropdownWidget
+
+# Choice and Sequence Display Widgets
+from zope.app.form.browser.itemswidgets import ItemDisplayWidget
+from zope.app.form.browser.itemswidgets import ItemsMultiDisplayWidget
+from zope.app.form.browser.itemswidgets import SetDisplayWidget
+from zope.app.form.browser.itemswidgets import ListDisplayWidget
+
+# Widgets for fields with vocabularies.
+# Note that these are only dispatchers for the widgets below.
+from zope.app.form.browser.itemswidgets import ChoiceDisplayWidget
+from zope.app.form.browser.itemswidgets import ChoiceInputWidget
+from zope.app.form.browser.itemswidgets import CollectionDisplayWidget
+from zope.app.form.browser.itemswidgets import CollectionInputWidget
+from zope.app.form.browser.itemswidgets import ChoiceCollectionDisplayWidget
+from zope.app.form.browser.itemswidgets import ChoiceCollectionInputWidget
+
+# Widgets that let you choose a single item from a list
+# These widgets are multi-views on (field, vocabulary)
+from zope.app.form.browser.itemswidgets import SelectWidget
+from zope.app.form.browser.itemswidgets import DropdownWidget
+from zope.app.form.browser.itemswidgets import RadioWidget
+
+# Widgets that let you choose several items from a list
+# These widgets are multi-views on (field, vocabulary)
+from zope.app.form.browser.itemswidgets import MultiSelectWidget
+from zope.app.form.browser.itemswidgets import MultiCheckBoxWidget
+from zope.app.form.browser.itemswidgets import OrderedMultiSelectWidget
+
+from zope.app.form.browser.sequencewidget import SequenceWidget
+from zope.app.form.browser.sequencewidget import TupleSequenceWidget
+from zope.app.form.browser.sequencewidget import ListSequenceWidget
+
+from zope.app.form.browser.objectwidget import ObjectWidget