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##############################################################################
#
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# Copyright (c) 2002-2005 Nexedi SARL and Contributors. All Rights Reserved.
#                         Jean-Paul Smets-Solanes <jp@nexedi.com>
#                         Kevin Deldycke <kevin_AT_nexedi_DOT_com>
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#
# 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

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from Products.ERP5.Core.Node import Node
from Products.ERP5.Document.Entity import Entity

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from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
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from Products.ERP5Type.Utils import assertAttributePortalType
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from Products.ERP5Type.XMLObject import XMLObject

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class Person(Entity, Node, XMLObject):
    """
      An Person object holds the information about
      an person (ex. you, me, someone in the company,
      someone outside of the company, a member of the portal,
      etc.).

      Person objects can contain Coordinate objects
      (ex. Telephone, Url) as well a documents of various types.

      Person objects can be synchronized accross multiple
      sites.

      Person objects inherit from the Node base class
      (one of the 5 base classes in the ERP5 universal business model)
    """

    meta_type = 'ERP5 Person'
    portal_type = 'Person'
    add_permission = Permissions.AddPortalContent
    isPortalContent = 1
    isRADContent = 1

    # Declarative security
    security = ClassSecurityInfo()
    security.declareObjectProtected(Permissions.View)

    # Declarative properties
    property_sheets = ( PropertySheet.Base
                      , PropertySheet.XMLObject
                      , PropertySheet.CategoryCore
                      , PropertySheet.DublinCore
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                      , PropertySheet.Person
                      )
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    def _setTitle(self, value):
      """
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        Here we see that we must define a notion
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        of priority in the way fields are updated
      """
      if value != self.getTitle():
        self.title = value

    security.declareProtected(Permissions.View, 'getTitle')
    def getTitle(self, **kw):
      """
        Returns the title if it exists or a combination of
        first name and last name
      """
      if self.title == '':
        name_list = []
        if self.getFirstName() not in (None, ''):
          name_list.append(self.getFirstName())
        if self.getMiddleName() not in (None, ''):
          name_list.append(self.getMiddleName())
        if self.getLastName() not in (None, ''):
          name_list.append(self.getLastName())
        return ' '.join(name_list)
      else:
        return self.title
    Title = getTitle

    security.declareProtected(Permissions.ModifyPortalContent, 'setTitle')
    def setTitle(self, value):
      """
        Updates the title if necessary
      """
      self._setTitle(value)
      self.reindexObject()

    def _setFirstName(self, value):
      """
        Update Title if first_name is modified
      """
      self.first_name = value
      if self.getFirstName()!=None and self.getLastName()!=None:
        self._setTitle(self.getFirstName()+' '+self.getLastName())

    security.declareProtected(Permissions.ModifyPortalContent, 'setFirstName')
    def setFirstName(self, value):
      """
        Updates the first_name if necessary
      """
      self._setFirstName(value)
      self.reindexObject()

    def _setLastName(self, value):
      """
        Update Title if last_name is modified
      """
      self.last_name = value
      if self.getFirstName()!=None and self.getLastName()!=None:
        self._setTitle(self.getFirstName()+' '+self.getLastName())

    security.declareProtected(Permissions.ModifyPortalContent, 'setLastName')
    def setLastName(self, value):
      """
        Updates the last_name if necessary
      """
      self._setLastName(value)
      self.reindexObject()