diff -r d3668ecd9137 -r 738abc5935c9 ztfy/utils/schema.py
--- a/ztfy/utils/schema.py	Wed Jun 20 16:29:53 2012 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,110 +0,0 @@
-### -*- coding: utf-8 -*- ####################################################
-##############################################################################
-#
-# Copyright (c) 2012 Thierry Florac <tflorac AT ulthar.net>
-# 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.
-#
-##############################################################################
-
-
-# import standard packages
-import decimal
-import string
-
-# import Zope3 interfaces
-from z3c.form.interfaces import IWidget
-from zope.schema.interfaces import ITextLine, IDecimal
-
-# import local interfaces
-
-# import Zope3 packages
-from z3c.form.converter import BaseDataConverter, FormatterValidationError
-from zope.component import adapts
-from zope.interface import implements
-from zope.schema import TextLine, Decimal
-from zope.schema._bootstrapfields import InvalidValue
-
-# import local packages
-
-from ztfy.utils import _
-
-
-class StringLine(TextLine):
-    """String line field"""
-
-    _type = str
-
-    def fromUnicode(self, value):
-        return str(value)
-
-
-#
-# Color field
-#
-
-class IColorField(ITextLine):
-    """Marker interface for color fields"""
-
-
-class ColorField(TextLine):
-    """Color field"""
-
-    implements(IColorField)
-
-    def __init__(self, *args, **kw):
-        super(ColorField, self).__init__(max_length=6, *args, **kw)
-
-    def _validate(self, value):
-        if len(value) not in (3, 6):
-            raise InvalidValue, _("Color length must be 3 or 6 characters")
-        for v in value:
-            if v not in string.hexdigits:
-                raise InvalidValue, _("Color value must contain only valid color codes (numbers or letters between 'A' end 'F')")
-        super(ColorField, self)._validate(value)
-
-
-#
-# Pointed decimal field
-#
-
-class IDottedDecimalField(IDecimal):
-    """Marker interface for dotted decimal fields"""
-
-
-class DottedDecimalField(Decimal):
-    """Dotted decimal field"""
-
-    implements(IDottedDecimalField)
-
-
-class DottedDecimalDataConverter(BaseDataConverter):
-    """Dotted decimal field data converter"""
-
-    adapts(IDottedDecimalField, IWidget)
-
-    errorMessage = _('The entered value is not a valid decimal literal.')
-
-    def __init__(self, field, widget):
-        super(DottedDecimalDataConverter, self).__init__(field, widget)
-
-    def toWidgetValue(self, value):
-        if not value:
-            return self.field.missing_value
-        return str(value)
-
-    def toFieldValue(self, value):
-        if value is self.field.missing_value:
-            return u''
-        if not value:
-            return None
-        try:
-            return decimal.Decimal(value)
-        except decimal.InvalidOperation:
-            raise FormatterValidationError(self.errorMessage, value)