- this._transactionInProgress = false;
- if(this._transactionStack.length) {
- this.undoStack.push(new Transaction(this._transactionStack));
- this._transactionStack = [];
+ if(this._currentTransaction.hasTransformations()) {
+ this.undoStack.push(this._currentTransaction);
+ }
+ this._currentTransaction = null;
+ },
+
+ rollbackTransaction: function() {
+ if(!this._currentTransaction) {
+ throw new Error('Transaction rollback requested, but there is no transaction in progress!');