X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/258f516ed932787fc3a5e1c970831a885e00872f..20c53bc99b19137f012b8498e9b8b0a9572b3cae:/src/smartxml/smartxml.js

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index 31faef0..7d3f332 100644
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -581,13 +581,26 @@ $.extend(Document.prototype, Backbone.Events, {
         this.replaceRoot(this._rollbackBackup);
         this._rollbackBackup = null;
         this._currentTransaction = null;
+        this._transformationLevel = 0;
     },
 
-    transaction: function(callback, context, metadata) {
+    transaction: function(callback, params) {
         var toret;
-        this.startTransaction(metadata);
-        toret = callback.call(context);
+        params = params || {};
+        this.startTransaction(params.metadata);
+        try {
+            toret = callback.call(params.context || this);
+        } catch(e) {
+            if(params.error) {
+                params.error(e);
+            }
+            this.rollbackTransaction();
+            return;
+        }
         this.endTransaction();
+        if(params.success) {
+            params.success(toret);
+        }
         return toret;
     },