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+# Copyright (C) 2009, Tutorius.org
+# Copyright (C) 2009, Vincent Vinet <vince.vinet@gmail.com>
+#
+# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+"""
+Services
+
+This module supplies services to be used by States, FSMs, Actions and Filters.
+
+Services provided are:
+-Access to the running activity
+-Access to the running tutorial
+"""
+
+
+class ObjectStore(object):
+ #Begin Singleton code
+ instance=None
+ def __new__(cls):
+ if not ObjectStore.instance:
+ ObjectStore.instance = ObjectStore.__ObjectStore()
+
+ #End Singleton code
+ class __ObjectStore(object):
+ """
+ The Object Store is a singleton class that allows access to
+ the current runnign activity and tutorial.
+ """
+ def __init__(self):
+ self._activity = None
+ self._tutorial = None
+ #self._fsm_path = []
+
+ def set_activity(self, activity):
+ """Setter for activity"""
+ self._activity = activity
+
+ def get_activity(self):
+ """Getter for activity"""
+ return self._activity
+
+ activity = property(fset=set_activity,fget=get_activity,doc="activity")
+
+ def set_tutorial(self, tutorial):
+ """Setter for tutorial"""
+ self._tutorial = tutorial
+
+ def get_tutorial(self):
+ """Getter for tutorial"""
+ return self._tutorial
+
+ tutorial = property(fset=set_tutorial,fget=get_tutorial,doc="tutorial")
+
+ __doc__ = __ObjectStore.__doc__