From 2f6fbcba74b0dcd7710a7bc4847995cd5abaaa5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrg=20Lehni?= <juerg@scratchdisk.com>
Date: Sat, 7 May 2011 14:34:57 +0100
Subject: [PATCH] Check result from removeFromParent().

---
 src/item/Item.js  | 3 +--
 src/item/Layer.js | 4 ++--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/item/Item.js b/src/item/Item.js
index 015a7cb1..e3684864 100644
--- a/src/item/Item.js
+++ b/src/item/Item.js
@@ -804,8 +804,7 @@ var Item = this.Item = Base.extend({
 
 	function append(top) {
 		return function(item) {
-			if (this.children) {
-				item.removeFromParent();
+			if (this.children && item.removeFromParent()) {
 				this.children.splice(top ? this.children.length : 0, 0, item);
 				// TODO: Reassign _index
 				item.parent = this;
diff --git a/src/item/Layer.js b/src/item/Layer.js
index 846a85df..271c1c5b 100644
--- a/src/item/Layer.js
+++ b/src/item/Layer.js
@@ -57,8 +57,8 @@ var Layer = this.Layer = Group.extend({
 	function move(above) {
 		return function(item) {
 			// if the item is a layer and contained within Document#layers
-			if (item instanceof Layer && !item.parent) {
-				this.removeFromParent();
+			if (item instanceof Layer && !item.parent
+					&& this.removeFromParent()) {
 				item._document.layers.splice(item.getIndex() + (above ? 1 : -1),
 						0, this);
 				this.setDocument(item._document);