Forgot to add this

2006-05-15 14:33:02 -04:00 · 2006-05-15 14:33:02 -04:00 · acf29ef25e
commit acf29ef25e
parent 94355dd372
1 changed files with 10 additions and 0 deletions
--- a/sugar/p2p/model/AbstractModel.py
+++ b/sugar/p2p/model/AbstractModel.py
@ -0,0 +1,10 @@
+class AbstractModel:
+	def __init__(self):
+		self._listeners = []
+	
+	def add_listener(self, listener):
+		self._listeners.append(listener)
+	
+	def _notify_model_change(self, key):
+		for listener in self._listeners:
+			listener(self, key)