Add top_level function to Connections

opengeode/Connectors.py

@@ -69,6 +69,11 @@ class Connection(QGraphicsPathItem, object):
         ''' Compute connection intermediate points - redefine in subclasses '''
         return self._middle_points
 
+    def top_level(self):
+        ''' In case the connection has a text, implement top_level()
+            as needed by TextInteraction '''
+        return self.parent
+
     def simple_arrow(self, origin='head', path=None):
         ''' Compute the two points of an vertical arrow head '''
         if origin == 'head':

opengeode/TextInteraction.py

@@ -386,8 +386,8 @@ class EditableText(QGraphicsTextItem, object):
     def focusInEvent(self, event):
         ''' When user starts editing text, save previous state for Undo '''
         super(EditableText, self).focusInEvent(event)
-        # Make the Z-value of items to make sure the
-        # completer will always be on top of other symbols
+        # Change the Z-value of items to make sure the
+        # completer is always be on top of other symbols
         parent = self.parentItem()
         top_level = parent.top_level()
         top_level.setZValue(top_level.zValue() + 1)