1 files changed, 36 insertions, 0 deletions
diff --git a/tutorius/events.py b/tutorius/events.py
new file mode 100644
index 0000000..bf0a8b9
--- /dev/null
+++ b/tutorius/events.py
@@ -0,0 +1,36 @@
+from sugar.tutorius.properties import *
+
+class Event(TPropContainer):
+    source = TUAMProperty()
+    type = TStringProperty("clicked")
+
+    def __init__(self):
+        TPropContainer.__init__(self)
+
+
+    # Providing the hash methods necessary to use events as key
+    # in a dictionary, if new properties are added we should
+    # take them into account here
+    def __hash__(self):
+        return hash(str(self.source) + str(self.type))
+
+    def __eq__(self, e2):
+        return self.source == e2.source and self.type == e2.type
+        
+
+    # Adding methods for pickling and unpickling an object with
+    # properties
+    def __getstate__(self):
+       return self._props.copy()
+
+    def __setstate__(self, dict):
+       self._props.update(dict)
+
+
+# Nothing more needs to be added, the additional 
+# information is in the object type
+class ClickedEvent(Event):
+    def __init__(self):
+        Event.__init__(self)
+        self.type = "clicked"
+