From 04c5e9fa42b742cb4e0b4998d16cbc30a142d96a Mon Sep 17 00:00:00 2001
From: Kevin Sawicki <kevin@github.com>
Date: Wed, 12 Jun 2013 11:37:49 -0700
Subject: [PATCH] Return subscription from RootView.eachEditor()

---
 spec/app/root-view-spec.coffee | 12 ++++++++++++
 src/app/root-view.coffee       |  4 +++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/spec/app/root-view-spec.coffee b/spec/app/root-view-spec.coffee
index 974321041..2940aa2e1 100644
--- a/spec/app/root-view-spec.coffee
+++ b/spec/app/root-view-spec.coffee
@@ -327,6 +327,18 @@ describe "RootView", ->
       expect(count).toBe 1
       expect(callbackEditor).toBe rootView.getActiveView()
 
+    it "returns a subscription that can be disabled", ->
+      count = 0
+      callback = (editor) -> count++
+
+      subscription = rootView.eachEditor(callback)
+      expect(count).toBe 1
+      rootView.getActiveView().splitRight()
+      expect(count).toBe 2
+      subscription.off()
+      rootView.getActiveView().splitRight()
+      expect(count).toBe 2
+
   describe ".eachBuffer(callback)", ->
     beforeEach ->
       rootView.attachToDom()
diff --git a/src/app/root-view.coffee b/src/app/root-view.coffee
index 851701fc1..ad6cd6661 100644
--- a/src/app/root-view.coffee
+++ b/src/app/root-view.coffee
@@ -205,7 +205,9 @@ class RootView extends View
   # callback - A {Function} to call
   eachEditor: (callback) ->
     callback(editor) for editor in @getEditors()
-    @on 'editor:attached', (e, editor) -> callback(editor)
+    attachedCallback = (e, editor) -> callback(editor)
+    @on('editor:attached', attachedCallback)
+    off: => @off('editor:attached', attachedCallback)
 
   # Fires a callback on each open {EditSession}.
   #