############################################################################## # # Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved. # Jean-Paul Smets-Solane <jp@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 Globals import InitializeClass from AccessControl import ClassSecurityInfo from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface from Products.ERP5Type.Base import Base from Predicate import Predicate class ValuePredicate(Base, Predicate): """ A value predicate compares an attribute with a single value """ meta_type = 'ERP5 Value Predicate' portal_type = 'Value Predicate' add_permission = Permissions.AddERP5Content isPortalContent = 1 isRADContent = 1 _operators = ( { 'id': '=', 'title': '=', 'description': 'Checks if two values are equal', 'sql_operator': '=', 'python_operator': '==', }, { 'id': '!=', 'title': '!=', 'description': 'Checks if two values are different', 'sql_operator': '<>', 'python_operator': '!=', }, { 'id': '>', 'title': '>', 'description': 'Checks if attribute is greater than value', 'sql_operator': '>', 'python_operator': '>', }, { 'id': '<', 'title': '<', 'description': 'Checks if attribute is smaller than value', 'sql_operator': '<', 'python_operator': '<', }, { 'id': '>=', 'title': '>=', 'description': 'Checks if attribute is greater than value', 'sql_operator': '>=', 'python_operator': '>=', }, { 'id': '<=', 'title': '<=', 'description': 'Checks if attribute is smaller than value', 'sql_operator': '<=', 'python_operator': '<=', }, { 'id': 'LIKE', 'title': 'LIKE', 'description': 'Checks if attribute is like value', 'sql_operator': 'LIKE', 'python_operator': '<=', }, ) # Declarative security security = ClassSecurityInfo() security.declareObjectProtected(Permissions.View) # Declarative properties property_sheets = ( PropertySheet.Base , PropertySheet.Predicate ) # Declarative interfaces __implements__ = ( Interface.Predicate ) # Factory Type Information factory_type_information = \ { 'id' : portal_type , 'meta_type' : meta_type , 'description' : """\ A bank account number holds a collection of numbers and codes (ex. SWIFT, RIB, etc.) which may be used to identify a bank account.""" , 'icon' : 'predicate_icon.gif' , 'product' : 'ERP5' , 'factory' : 'addValuePredicate' , 'immediate_view' : 'predicate_view' , 'actions' : ( { 'id' : 'view' , 'name' : 'View' , 'category' : 'object_view' , 'action' : 'predicate_view' , 'permissions' : ( Permissions.View, ) } , ) } def test(self, context): """ A Predicate can be tested on a given context """ pass def asPythonExpression(): """ A Predicate can be rendered as a python expression. This is the preferred approach within Zope. """ pass def asSqlExpression(): """ A Predicate can be rendered as a python expression. This is the preferred approach within Zope. """ pass