diff -r 000000000000 -r 522a326673b6 sysmodelmgr/com.symbian.smt.gui/src/com/symbian/smt/gui/nature/Nature.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysmodelmgr/com.symbian.smt.gui/src/com/symbian/smt/gui/nature/Nature.java	Thu Mar 11 19:08:43 2010 +0200
@@ -0,0 +1,59 @@
+// Copyright (c) 2008-2009 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:
+//
+
+package com.symbian.smt.gui.nature;
+
+import org.eclipse.core.resources.ICommand;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IProjectDescription;
+import org.eclipse.core.resources.IProjectNature;
+import org.eclipse.core.runtime.CoreException;
+
+public class Nature implements IProjectNature {
+	public static final String ID = "com.symbian.smt.gui.nature";
+
+	private IProject project;
+
+	public void configure() throws CoreException {
+		IProjectDescription desc = project.getDescription();
+		ICommand[] commands = desc.getBuildSpec();
+
+		for (int i = 0; i < commands.length; ++i) {
+			if (commands[i].getBuilderName().equals(
+					"com.symbian.smt.gui.builder")) {
+				return;
+			}
+		}
+
+		ICommand[] newCommands = new ICommand[commands.length + 1];
+		System.arraycopy(commands, 0, newCommands, 0, commands.length);
+		ICommand command = desc.newCommand();
+		command.setBuilderName("com.symbian.smt.gui.builder");
+		newCommands[newCommands.length - 1] = command;
+		desc.setBuildSpec(newCommands);
+		project.setDescription(desc, null);
+	}
+
+	public void deconfigure() throws CoreException {
+	}
+
+	public IProject getProject() {
+		return project;
+	}
+
+	public void setProject(IProject project) {
+		this.project = project;
+	}
+}