BC: Add scenario support.

src/Model/BoundaryCondition/BoundaryConditionList.py

@@ -19,7 +19,7 @@
 from copy import copy
 from tools import trace, timer
 
-from Model.Tools.PamhyrList import PamhyrModelListWithTab
+from Model.Tools.PamhyrListExt import PamhyrModelListWithTab
 from Model.Except import NotImplementedMethodeError
 
 from Model.BoundaryCondition.BoundaryCondition import BoundaryCondition
@@ -50,7 +50,10 @@ class BoundaryConditionList(PamhyrModelListWithTab):
         return new
 
     def _db_save(self, execute, data=None):
-        execute("DELETE FROM boundary_condition")
+        execute(
+            "DELETE FROM boundary_condition "
+            f"WHERE scenario = {self._status.scenario_id}"
+        )
 
         for tab in self._tabs:
             data["tab"] = tab