From d84614866a35e4f463142e09fe8af53de7b3f0cd Mon Sep 17 00:00:00 2001
From: Corey Johnson & Nathan Sobo <cj+nathan@github.com>
Date: Thu, 7 Mar 2013 12:21:20 -0800
Subject: [PATCH] Add Pane.getNextPane

---
 spec/app/pane-spec.coffee | 8 ++++++++
 src/app/pane.coffee       | 6 ++++++
 2 files changed, 14 insertions(+)

diff --git a/spec/app/pane-spec.coffee b/spec/app/pane-spec.coffee
index 3c62fc797..96f379acd 100644
--- a/spec/app/pane-spec.coffee
+++ b/spec/app/pane-spec.coffee
@@ -450,6 +450,14 @@ describe "Pane", ->
           pane.remove()
           expect(rootView.focus).not.toHaveBeenCalled()
 
+  describe ".getNextPane()", ->
+    it "returns the next pane if one exists, wrapping around from the last pane to the first", ->
+      pane.showItem(editSession1)
+      expect(pane.getNextPane()).toBeUndefined
+      pane2 = pane.splitRight()
+      expect(pane.getNextPane()).toBe pane2
+      expect(pane2.getNextPane()).toBe pane
+
   describe "when the pane is focused", ->
     it "focuses the active item view", ->
       focusHandler = jasmine.createSpy("focusHandler")
diff --git a/src/app/pane.coffee b/src/app/pane.coffee
index ef29ce72f..b0134f552 100644
--- a/src/app/pane.coffee
+++ b/src/app/pane.coffee
@@ -72,6 +72,12 @@ class Pane extends View
   isActive: ->
     @hasClass('active')
 
+  getNextPane: ->
+    panes = @getContainer()?.getPanes()
+    return unless panes.length > 1
+    nextIndex = (panes.indexOf(this) + 1) % panes.length
+    panes[nextIndex]
+
   getItems: ->
     new Array(@items...)