From ccd86d91de17f35b5a7394a5db93848affa458c6 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Wed, 15 Jan 2014 15:49:44 -0700
Subject: [PATCH] Make PaneContainer::activePaneItem behavior distinct until
 changed

If we switch from one empty active pane to another empty active pane,
there's no reason to emit a value from the activePaneItem behavior.
---
 src/pane-container.coffee | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/pane-container.coffee b/src/pane-container.coffee
index d45f6dcb3..de339c8a9 100644
--- a/src/pane-container.coffee
+++ b/src/pane-container.coffee
@@ -15,7 +15,9 @@ class PaneContainer extends Model
   previousRoot: null
 
   @behavior 'activePaneItem', ->
-    @$activePane.switch (activePane) -> activePane?.$activeItem
+    @$activePane
+      .switch((activePane) -> activePane?.$activeItem)
+      .distinctUntilChanged()
 
   constructor: (params) ->
     super