add filtering for node status, add custom filtering class

[sface.git] / sface / screens / sfascreen.py

diff --git a/sface/screens/sfascreen.py b/sface/screens/sfascreen.py
index e3c584a..1563468 100644 (file)
--- a/sface/screens/sfascreen.py
+++ b/sface/screens/sfascreen.py
@@ -39,10 +39,18 @@ class SfaScreen(QWidget):
 
     def signalAll(self, action):
         for i in SfaScreen.instances:
-            getattr(i, action)()
+            method = getattr(i, action, None)
+            if method:
+                method()
 
     def rspecUpdated(self):
         pass
 
     def configurationChanged(self):
         pass
+
+    def canClose(self):
+        return True
+
+    def mainWindowClose(self):
+        pass