From a9294aebc3b1ceec2be05b030f8768503c520654 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Wed, 27 Aug 2014 15:25:52 -0600
Subject: [PATCH] =?UTF-8?q?Don=E2=80=99t=20use=20Sequence=20in=20PaneAxis?=
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---
 src/pane-axis.coffee | 28 ++++++++++++++++++----------
 1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/src/pane-axis.coffee b/src/pane-axis.coffee
index f974c970e..12b335519 100644
--- a/src/pane-axis.coffee
+++ b/src/pane-axis.coffee
@@ -1,4 +1,4 @@
-{Model, Sequence} = require 'theorist'
+{Model} = require 'theorist'
 {flatten} = require 'underscore-plus'
 Serializable = require 'serializable'
 
@@ -11,14 +11,9 @@ class PaneAxis extends Model
   Serializable.includeInto(this)
 
   constructor: ({@container, @orientation, children}) ->
-    @children = Sequence.fromArray(children ? [])
-
-    @subscribe @children.onEach (child) =>
-      child.parent = this
-      child.container = @container
-      @subscribe child, 'destroyed', => @removeChild(child)
-
-    @subscribe @children.onRemoval (child) => @unsubscribe(child)
+    @children = []
+    if children?
+      @addChild(child) for child in children
 
   deserializeParams: (params) ->
     {container} = params
@@ -40,27 +35,40 @@ class PaneAxis extends Model
 
   addChild: (child, index=@children.length) ->
     @children.splice(index, 0, child)
+    @childAdded(child)
 
   removeChild: (child) ->
     index = @children.indexOf(child)
     throw new Error("Removing non-existent child") if index is -1
     @children.splice(index, 1)
+    @childRemoved(child)
     @reparentLastChild() if @children.length < 2
 
-
   replaceChild: (oldChild, newChild) ->
     index = @children.indexOf(oldChild)
     throw new Error("Replacing non-existent child") if index is -1
     @children.splice(index, 1, newChild)
+    @childRemoved(oldChild)
+    @childAdded(newChild)
 
   insertChildBefore: (currentChild, newChild) ->
     index = @children.indexOf(currentChild)
     @children.splice(index, 0, newChild)
+    @childAdded(newChild)
 
   insertChildAfter: (currentChild, newChild) ->
     index = @children.indexOf(currentChild)
     @children.splice(index + 1, 0, newChild)
+    @childAdded(newChild)
 
   reparentLastChild: ->
     @parent.replaceChild(this, @children[0])
     @destroy()
+
+  childAdded: (child) ->
+    child.parent = this
+    child.container = @container
+    @subscribe child, 'destroyed', => @removeChild(child)
+
+  childRemoved: (child) ->
+    @unsubscribe child