Introduces base class and interface for the factories

Created by: stefanoborini

Introduces a base class for the factories.

Fixes #49 (closed)

force_bdss/ui_hooks/base_ui_hooks_factory.py

 import logging
-from traits.api import HasStrictTraits, Instance, Str, provides, Type
-from envisage.plugin import Plugin
+from traits.api import provides, Type
 
-from force_bdss.ids import factory_id
+from force_bdss.core.base_factory import BaseFactory
 from force_bdss.ui_hooks.base_ui_hooks_manager import BaseUIHooksManager
 from .i_ui_hooks_factory import IUIHooksFactory
 
@@ -10,24 +9,15 @@ log = logging.getLogger(__name__)
 
 
 @provides(IUIHooksFactory)
-class BaseUIHooksFactory(HasStrictTraits):
+class BaseUIHooksFactory(BaseFactory):
     """Base class for UIHooksFactory.
     UI Hooks are extensions that perform actions associated to specific
     moments of the UI lifetime.
     """
-    #: identifier of the factory
-    id = Str()
-
-    #: Name of the factory. User friendly for UI
-    name = Str()
-
     #: The UI Hooks manager class to instantiate. Define this to your
     #: base hook managers.
     ui_hooks_manager_class = Type(BaseUIHooksManager, allow_none=False)
 
-    #: A reference to the containing plugin
-    plugin = Instance(Plugin, allow_none=False)
-
     def __init__(self, plugin, *args, **kwargs):
         """Initializes the instance.
 
@@ -36,23 +26,10 @@ class BaseUIHooksFactory(HasStrictTraits):
         plugin: Plugin
             The plugin that holds this factory.
         """
-        self.plugin = plugin
-        super(BaseUIHooksFactory, self).__init__(*args, **kwargs)
+        super(BaseUIHooksFactory, self).__init__(
+            plugin=plugin, *args, **kwargs)
 
         self.ui_hooks_manager_class = self.get_ui_hooks_manager_class()
-        self.name = self.get_name()
-        identifier = self.get_identifier()
-        try:
-            id = factory_id(self.plugin.id, identifier)
-        except ValueError:
-            raise ValueError(
-                "Invalid identifier {} returned by "
-                "{}.get_identifier()".format(
-                    identifier,
-                    self.__class__.__name__
-                )
-            )
-        self.id = id
 
     def get_ui_hooks_manager_class(self):
         raise NotImplementedError(
@@ -60,16 +37,6 @@ class BaseUIHooksFactory(HasStrictTraits):
             "in factory {}".format(
                 self.__class__))
 
-    def get_name(self):
-        raise NotImplementedError(
-            "get_name was not implemented in factory {}".format(
-                self.__class__))
-
-    def get_identifier(self):
-        raise NotImplementedError(
-            "get_identifier was not implemented in factory {}".format(
-                self.__class__))
-
     def create_ui_hooks_manager(self):
         """Creates an instance of the hook manager.
         The hooks manager contains a set of methods that are applicable in