From 87d340e525663846c66c22d78252ca87e016ec66 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrg=20Lehni?= <juerg@scratchdisk.com>
Date: Fri, 20 May 2011 08:50:09 +0100
Subject: [PATCH] Introduce private Item#_clone(copy), so subclasses can
 override the way the copy is actually produced, e.g. providing parameters to
 the constructor.

---
 src/item/Item.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/item/Item.js b/src/item/Item.js
index 0e277431..6fcb4108 100644
--- a/src/item/Item.js
+++ b/src/item/Item.js
@@ -30,7 +30,10 @@ var Item = this.Item = Base.extend({
 	 * @return the newly cloned item
 	 */
 	clone: function() {
-		var copy = new this.constructor();
+		return this._clone(new this.constructor());
+	},
+
+	_clone: function(copy) {
 		// Copy over style
 		copy.setStyle(this._style);
 		// If this item has children, clone and append each of them: