--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/memspyext/com.nokia.s60tools.swmtanalyser/src/com/nokia/s60tools/swmtanalyser/ui/graphs/ZoomableGraph.java	Wed Apr 21 20:01:08 2010 +0300
@@ -0,0 +1,75 @@
+/*
+* Copyright (c) 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.nokia.s60tools.swmtanalyser.ui.graphs;
+
+import org.eclipse.jface.action.IAction;
+
+/**
+ * Common abstract base class for graphs that support zoom operations.
+ */
+public abstract class ZoomableGraph {
+	
+	
+	/**
+	 * Context menu title for action: Zoom In
+	 */
+	protected static final String ZOOM_IN_CONTEXT_MENU_TITLE = "Zoom In";
+
+	/**
+	 * Context menu title for action: Zoom Out
+	 */
+	protected static final String ZOOM_OUT_CONTEXT_MENU_TITLE = "Zoom Out";
+
+	/**
+	 * Copy -action
+	 */
+	protected IAction copy;
+	
+	
+	/**
+	 * Zoom In -action
+	 */
+	protected IAction zoomIn;
+
+	/**
+	 * Zoom Out -action
+	 */
+	protected IAction zoomOut;
+	
+	/**
+	 * This method zooms in the graph area.
+	 */
+	protected abstract void zoomIn();
+	
+	/**
+	 * This method zooms out the graph area.
+	 */
+	protected abstract void zoomOut();
+
+	/**
+	 * Sets given enable state for an action if it is non <code>null</code>.
+	 * @param action Action to set enable status for.
+	 * @param enableStatus <code>true</code> if enabled, otherwise <code>false</code>.
+	 */
+	protected void setEnableState(IAction action, boolean enableStatus) {
+		if(action != null){
+			action.setEnabled(enableStatus);			
+		}
+	}
+}