PredicateMatrix.py 3.96 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
##############################################################################
#
# Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved.
#                    Jean-Paul Smets-Solanes <jp@nexedi.com>
#                    Jerome Perrin <jerome@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
31
from Products.ERP5Type import Permissions, PropertySheet, Constraint, interfaces
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65
from Products.ERP5.Document.Rule import Rule
from Products.ERP5Type.XMLMatrix import XMLMatrix

from zLOG import LOG, BLATHER, INFO, PROBLEM

class PredicateMatrix(XMLMatrix):
  """
    PredicateMatrix implements a matrix of predicates, and
    allows to get cell that match predicates.
  """

  # CMF Type Definition
  meta_type = 'ERP5 Predicate Matrix'
  portal_type = 'Predicate Matrix'
  add_permission = Permissions.AddPortalContent
  isPortalContent = 1
  isRADContent = 1
  predicate_matrix_base_id = "movement"

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

  # Default Properties
  property_sheets = ( PropertySheet.Base
                    , PropertySheet.XMLObject
                    , PropertySheet.CategoryCore
                    , PropertySheet.DublinCore
                    )
  
  def _getMatchingCell(self, movement):
    """
      Browse all cells and test them until match found
    """
66 67 68 69
    for cell in self.getCellValueList(
                        base_id=self.predicate_matrix_base_id) :
      if cell.test(movement):
        return cell
70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90
    return None          
  
  security.declareProtected( Permissions.AccessContentsInformation,
                             'getMatchingCell' )
  getMatchingCell = _getMatchingCell
  
  security.declareProtected(Permissions.ModifyPortalContent, 'updateMatrix')
  def updateMatrix(self) :
    """
      This methods updates the matrix so that cells are consistent
    with the predicates.
    """
    base_id = self.predicate_matrix_base_id
    kwd = {'base_id': base_id}
    self._updateCellRange(base_id) # calls PT dependant script.
    
    cell_range_key_list = self.getCellRangeKeyList(base_id = base_id)
    if cell_range_key_list != [[None, None]] :
      for k in cell_range_key_list :
        c = self.newCell(*k, **kwd)
        c.edit( mapped_value_property_list = ( 'title',),
91 92
                predicate_category_list = [self._getOb(k_item).getRelativeUrl()
                                           for k_item in k],
93
                title = " * ".join(map(lambda k_item : \
94
                        self.unrestrictedTraverse(k_item).getTitle(), k)),
95 96 97 98 99 100 101 102 103
                force_update = 1
              )
    else :
      # If empty matrix, delete all cells
      cell_range_id_list = self.getCellRangeIdList(base_id = base_id)
      for k in cell_range_id_list :
        if self.get(k) is not None :
          self.deleteContent(k)