diff -r a151135b0cf9 -r aa2539c91954 tracesrv/tracecompiler/src/com.nokia.tracecompiler/src/com/nokia/tracecompiler/model/TraceModelListener.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tracesrv/tracecompiler/src/com.nokia.tracecompiler/src/com/nokia/tracecompiler/model/TraceModelListener.java	Fri Oct 08 14:56:39 2010 +0300
@@ -0,0 +1,87 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+* Listener interface for trace model change notifications
+*
+*/
+package com.nokia.tracecompiler.model;
+
+/**
+ * Listener interface for trace model change notifications
+ * 
+ */
+public interface TraceModelListener {
+
+	/**
+	 * Object name has been updated
+	 */
+	int NAME = 1;
+
+	/**
+	 * Object ID has been updated
+	 */
+	int ID = 2;
+
+	/**
+	 * Trace text has been updated
+	 */
+	int TRACE = 3;
+
+	/**
+	 * Parameter type has been updated
+	 */
+	int TYPE = 4;
+
+	/**
+	 * Notification which is fired when a trace object has been added
+	 * 
+	 * @param owner
+	 *            the owner of the object
+	 * @param object
+	 *            the object
+	 */
+	public void objectAdded(TraceObject owner, TraceObject object);
+
+	/**
+	 * Notification that is fired a trace object is removed from the model
+	 * 
+	 * @param owner
+	 *            the owner of the object
+	 * @param object
+	 *            the removed object
+	 * @throws TraceCompilerException 
+	 */
+	public void objectRemoved(TraceObject owner, TraceObject object) throws TraceCompilerException;
+
+	/**
+	 * Notifies that the one of the properties of an object have been updated
+	 * 
+	 * @param object
+	 *            the object which was updated
+	 * @param property
+	 *            the property that was updated
+	 * @throws TraceCompilerException 
+	 */
+	public void propertyUpdated(TraceObject object, int property) throws TraceCompilerException;
+
+	/**
+	 * Notifies that object creation is complete
+	 * 
+	 * @param object
+	 *            the object
+	 * @throws TraceCompilerException 
+	 */
+	public void objectCreationComplete(TraceObject object) throws TraceCompilerException;
+}