UI Hook manager

force_bdss/notification_listeners/base_notification_listener_factory.py

@@ -48,3 +48,10 @@ class BaseNotificationListenerFactory(ABCHasStrictTraits):
         model_data: dict
             Data to use to fill the model.
         """
+
+    @abc.abstractmethod
+    def create_ui_hook_manager(self):
+        """Creates an instance of the hook manager
+        The hook manager contains a set of methods that are applicable in
+        various moments of the UI application lifetime.
+        """

force_bdss/notification_listeners/base_ui_hook_manager.py

+import abc
+from traits.api import ABCHasStrictTraits
+
+
+class BaseUIHookManager(ABCHasStrictTraits):
+    @abc.abstractmethod
+    def before_execution(self, application, model):
+        """Hook that is called before execution of a given model.
+        Gives a chance to alter the model before the temporary file is created
+        with its contents and the calculation invoked.
+        """