- skeleton of Trade Model Cell implementation

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@26654 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/TradeModelCell.py

+# -*- coding: utf8 -*-
+##############################################################################
+#
+# Copyright (c) 2009 Nexedi SA and Contributors. All Rights Reserved.
+#                    Łukasz Nowak <luke@nexedi.com>
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsability of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# garantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# 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 the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+##############################################################################
+
+from AccessControl import ClassSecurityInfo
+
+from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
+
+from Products.ERP5.Document.Amount import Amount
+from Products.ERP5.Document.MappedValue import MappedValue
+
+import zope.interface
+
+class TradeModelCell(Amount, MappedValue):
+    """Trade Model Line
+    """
+    meta_type = 'ERP5 Trade Model Cell'
+    portal_type = 'Trade Model Cell'
+    isCell = 1
+
+    # Declarative security
+    security = ClassSecurityInfo()
+    security.declareObjectProtected(Permissions.AccessContentsInformation)
+
+    # Declarative interfaces
+    #    Interface.IVariated as soon as Interface.Variated will be zope3
+    zope.interface.implements(
+        Interface.ITransformation
+    )
+
+    # Declarative properties
+    property_sheets = ( PropertySheet.Base
+                    , PropertySheet.SimpleItem
+                    , PropertySheet.Amount
+                    , PropertySheet.Price
+                    , PropertySheet.TradeModelLine
+                    , PropertySheet.Predicate
+                    , PropertySheet.MappedValue
+                    , PropertySheet.ItemAggregation
+                    )
+
+    security.declareProtected( Permissions.AccessContentsInformation,
+                               'hasCellContent' )
+    def hasCellContent(self, base_id='movement'):
+      """A cell cannot have cell content itself.
+      """
+      return 0
+
+    def updateAggregatedAmountList(self, context, **kw):
+      raise NotImplementedError('TODO')
+
+    def getAggregatedAmountList(self, context, movement_list = None,
+        current_aggregated_amount_list = None, **kw):
+      raise NotImplementedError('TODO')
+
+