Add Event Sources:

- Add source property in Action and EventFilter
- Change TPropContainer contructor to accept keyword arguments and set
  properties that were given
- Change every single TPropContainer subclass constructor to accept
  kwargs and pass them on to super init
- Add a "null" option for TStringProperty
Use Event Sources:
- Make the probe require a source property to install or subscribe
- Have ProbeProxy install and subscribe return a prefixed address
- Make update, uninstall and unsubsribe extract the prefix from the
  address
- Have the TutorialRunner set a source on actions/events before
  installing/subscribing instead of setting current activity on
  ProbeManager
Test Event Sources:
- Change the tests according to the new constructors and behaviors

1 files changed, 3 insertions, 11 deletions

diff --git a/addons/bubblemessagewimg.py b/addons/bubblemessagewimg.py
index 514a311..9fe9512 100644
--- a/addons/bubblemessagewimg.py
+++ b/addons/bubblemessagewimg.py
@@ -26,26 +26,18 @@ class BubbleMessageWImg(Action):
     tail_pos = TArrayProperty((0,0), 2, 2)
     imgpath = TResourceProperty("")
     
-    def __init__(self, message=None, position=None, speaker=None, tail_pos=None, imgpath=None):
+    def __init__(self, **kwargs):
         """
         Shows a dialog with a given text, at the given position on the screen.
 
+        Accepted keyword args:
         @param message A string to display to the user
         @param position A list of the form [x, y]
         @param speaker treeish representation of the speaking widget
         @param tail_pos The position of the tail of the bubble; useful to point to
         specific elements of the interface
         """
-        Action.__init__(self)
-
-        if position:
-            self.position = position
-        if tail_pos:
-            self.tail_pos = tail_pos
-        if message:
-            self.message = message
-        if imgpath:
-            self.imgpath = imgpath
+        super(BubbleMessageWImg, self).__init__(**kwargs)
 
         self.overlay = None
         self._bubble = None