diff common/listeners/widget_listener.py @ 0:7a89ea5404b1

Initial commit of parpg-core.
author M. George Hansen <technopolitica@gmail.com>
date Sat, 14 May 2011 01:12:35 -0700
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/listeners/widget_listener.py	Sat May 14 01:12:35 2011 -0700
@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+
+#   This file is part of PARPG.
+
+#   PARPG 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 3 of the License, or
+#   (at your option) any later version.
+
+#   PARPG 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 PARPG.  If not, see <http://www.gnu.org/licenses/>.
+
+"""This module contains the WidgetListener class for receiving widget events"""
+
+class WidgetListener(object):
+    """A Base class for listeners receiving widget events"""
+    
+    def __init__(self, event_listener):
+        self.event_listener = None
+        WidgetListener.attach(self, event_listener)
+    
+    def attach(self, event_listener):
+        """Attaches the listener to the event"""
+        event_listener.addListener("Widget", self)
+        self.event_listener = event_listener
+        
+    def detach(self):
+        """Detaches the listener from the event"""
+        self.event_listener.removeListener("Widget", self)
+        self.event_listener = None
+
+    def onWidgetAction(self, evt):
+        """Called when a widget action is executed"""
+        pass
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