Revision: 382
http://svn.sourceforge.net/pybridge/?rev=382&view=rev
Author: umgangee
Date: 2007-04-01 10:41:14 -0700 (Sun, 01 Apr 2007)
Log Message:
-----------
SimpleEventHandler implementation of IListener: redirects update() calls to methods of its target object.
Modified Paths:
--------------
trunk/pybridge/pybridge/ui/eventhandler.py
Modified: trunk/pybridge/pybridge/ui/eventhandler.py
===================================================================
--- trunk/pybridge/pybridge/ui/eventhandler.py 2007-04-01 17:39:19 UTC (rev 381)
+++ trunk/pybridge/pybridge/ui/eventhandler.py 2007-04-01 17:41:14 UTC (rev 382)
@@ -1,5 +1,5 @@
# PyBridge -- online contract bridge made easy.
-# Copyright (C) 2004-2006 PyBridge Project.
+# Copyright (C) 2004-2007 PyBridge Project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
@@ -10,7 +10,7 @@
# 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
@@ -18,15 +18,33 @@
from zope.interface import implements
-from pybridge.interfaces.table import ITableEvents
-from pybridge.interfaces.bridgetable import IBridgeTableEvents
-from pybridge.interfaces.serverstate import IServerEvents
+from pybridge.interfaces.observer import IListener
+class SimpleEventHandler:
+ """An implementation of IListener which redirects updates to its target."""
+
+ implements(IListener)
+
+
+ def __init__(self, target, prefix='event_'):
+ self.__target = target
+ self.__prefix = prefix
+
+
+ def update(self, event, *args, **kwargs):
+ """Redirects named event to target's handler method, if present."""
+ method = getattr(self.__target, "%s%s" % (self.__prefix, event), None)
+ if method:
+ method(*args, **kwargs)
+
+
+
+
class EventHandler:
"""An implementation of ITableEvents."""
- implements(IServerEvents, ITableEvents, IBridgeTableEvents)
+ #implements(IServerEvents, ITableEvents, IBridgeTableEvents)
def __init__(self):
@@ -37,7 +55,7 @@
def connectionLost(self, connector, reason):
- print "lost connection -", reason.getErrorMessage()
+ print "Lost connection:", reason.getErrorMessage()
self.runCallbacks('connectionLost', connector, reason)
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