Override getCalculationScript to use a type-based method, so that the user...

Override getCalculationScript to use a type-based method, so that the user does not have to set a script id explicitly.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35445 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/PaymentCondition.py

@@ -55,3 +55,22 @@ class PaymentCondition(TradeModelLine):
                     , PropertySheet.SortIndex
                     , PropertySheet.TradeModelLine
                     )
+
+  security.declareProtected(Permissions.AccessContentsInformation,
+                            'getCalculationScript')
+  def getCalculationScript(self, context):
+    # In the case of Payment Condition, unlike Trade Model Line,
+    # it is not realistic to share the same method, so do not acquire
+    # a script from its parent.
+    #
+    # It is always complicated and different how to adopt the calculation of
+    # payment dates for each user, and it is not practical to force the
+    # user to set a script id in every Payment Condition, so it is better
+    # to use a type-based method here, unless a script is explicitly set.
+    script_id = self.getCalculationScriptId()
+    if script_id is not None:
+      method = getattr(context, script_id)
+      return method
+    method = self._getTypeBasedMethod('calculateMovement')
+    return method
+