From 5b4122c6f8f4fef93526a0029aa6a4ba5f329cfa Mon Sep 17 00:00:00 2001
From: =?utf8?q?Aleksander=20=C5=81ukasz?=
 <aleksander.lukasz@nowoczesnapolska.org.pl>
Date: Wed, 23 Oct 2013 12:13:13 +0200
Subject: [PATCH] smartxml: loading new xml content to an existing document
 instance

---
 src/smartxml/smartxml.js      | 25 ++++++++++++++++---------
 src/smartxml/smartxml.test.js |  9 +++++++++
 2 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index cb90e74..80ee43c 100644
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -214,16 +214,9 @@ var parseXML = function(xml) {
 };
 
 var Document = function(xml) {
-    var $document = $(parseXML(xml));
-
-    var doc = this;
-    Object.defineProperty(this, 'root', {get: function() {
-        return doc.createElementNode($document[0]);
-    }});
-    Object.defineProperty(this, 'dom', {get: function() {
-        return $document[0];
-    }});
+    this.loadXML(xml);
 };
+
 $.extend(Document.prototype, Backbone.Events, {
     ElementNodeFactory: ElementNode,
     TextNodeFactory: TextNode,
@@ -239,6 +232,20 @@ $.extend(Document.prototype, Backbone.Events, {
         return new this.TextNodeFactory(nativeNode, this);
     },
 
+    loadXML: function(xml) {
+        var $document = $(parseXML(xml));
+
+        var doc = this;
+        Object.defineProperty(this, 'root', {get: function() {
+            return doc.createElementNode($document[0]);
+        }, configurable: true});
+        Object.defineProperty(this, 'dom', {get: function() {
+            return $document[0];
+        }, configurable: true});
+        
+        this.trigger('contentSet');
+    },
+
     toXML: function() {
         return this.root.toXML();
     }
diff --git a/src/smartxml/smartxml.test.js b/src/smartxml/smartxml.test.js
index d997aa7..da1b335 100644
--- a/src/smartxml/smartxml.test.js
+++ b/src/smartxml/smartxml.test.js
@@ -30,6 +30,15 @@ describe('smartxml', function() {
             var doc = getDocumentFromXML('<div></div>');
             expect(doc.root.getTagName()).to.equal('div');
         });
+
+        it('can resets its content entirely', function() {
+            var doc = getDocumentFromXML('<div></div>');
+
+            expect(doc.root.getTagName()).to.equal('div');
+
+            doc.loadXML('<header></header>');
+            expect(doc.root.getTagName()).to.equal('header');
+        });
     });
 
     describe('Basic ElementNode properties', function() {
-- 
2.20.1