diff -r ed1c9f64298a -r 5b9d4d8641ce trace/traceviewer/com.nokia.traceviewer/src/com/nokia/traceviewer/action/StartExternalFilterAction.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/trace/traceviewer/com.nokia.traceviewer/src/com/nokia/traceviewer/action/StartExternalFilterAction.java	Wed Jun 23 14:49:59 2010 +0300
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2007-2010 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:
+ *
+ * Start External Filter Application Action
+ *
+ */
+package com.nokia.traceviewer.action;
+
+import java.net.URL;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.ui.PlatformUI;
+
+import com.nokia.traceviewer.TraceViewerHelpContextIDs;
+import com.nokia.traceviewer.TraceViewerPlugin;
+import com.nokia.traceviewer.engine.TraceViewerGlobals;
+import com.nokia.traceviewer.engine.TraceViewerDialogInterface.TVPreferencePage;
+import com.nokia.traceviewer.engine.dataprocessor.ExternalFilterProcessor;
+import com.nokia.traceviewer.engine.preferences.PreferenceConstants;
+
+/**
+ * Start External Filter Application Action
+ */
+public class StartExternalFilterAction extends TraceViewerAction {
+
+	/**
+	 * Image for the start action
+	 */
+	private static ImageDescriptor startImage;
+
+	/**
+	 * Image for the stop action
+	 */
+	private static ImageDescriptor stopImage;
+
+	static {
+		URL url = null;
+		URL url2 = null;
+		url = TraceViewerPlugin.getDefault().getBundle().getEntry(
+				"/icons/startexternal.gif"); //$NON-NLS-1$
+		url2 = TraceViewerPlugin.getDefault().getBundle().getEntry(
+				"/icons/stopexternal.gif"); //$NON-NLS-1$
+		startImage = ImageDescriptor.createFromURL(url);
+		stopImage = ImageDescriptor.createFromURL(url2);
+	}
+
+	/**
+	 * Constructor
+	 */
+	public StartExternalFilterAction() {
+		setText(Messages.getString("StartExternalFilterAction.Title")); //$NON-NLS-1$
+		setToolTipText(Messages.getString("StartExternalFilterAction.Tooltip")); //$NON-NLS-1$
+		setImageDescriptor(startImage);
+
+		// Set help
+		PlatformUI.getWorkbench().getHelpSystem().setHelp(this,
+				TraceViewerHelpContextIDs.ACTIONS);
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see com.nokia.traceviewer.action.TraceViewerAction#doRun()
+	 */
+	@Override
+	protected void doRun() {
+		TraceViewerGlobals.postUiEvent("StartExternalFilterButton", "1"); //$NON-NLS-1$ //$NON-NLS-2$
+
+		// If external filter is not defined, open the preference page
+		boolean externalFilterIsDefined = TraceViewerPlugin.getDefault()
+				.getPreferenceStore().getBoolean(
+						PreferenceConstants.EXTERNAL_FILTER_CHECKBOX);
+
+		if (!externalFilterIsDefined) {
+			TraceViewerGlobals.getTraceViewer().getDialogs()
+					.openPreferencePage(TVPreferencePage.ADVANCED);
+
+			// If defined but not using, set as using
+		} else if (!TraceViewerGlobals.getTraceViewer()
+				.getDataProcessorAccess().getFilterProcessor()
+				.isUsingExternalFilter()) {
+			TraceViewerGlobals.getTraceViewer().getDataProcessorAccess()
+					.getFilterProcessor().setUsingExternalFilter(true);
+		}
+
+		// Check checkbox again
+		externalFilterIsDefined = TraceViewerPlugin.getDefault()
+				.getPreferenceStore().getBoolean(
+						PreferenceConstants.EXTERNAL_FILTER_CHECKBOX);
+
+		// Start external application and show stop image
+		if (externalFilterIsDefined
+				&& !TraceViewerGlobals.getTraceViewer()
+						.getDataProcessorAccess().getFilterProcessor()
+						.isUsingExternalFilter()) {
+			boolean success = TraceViewerGlobals.getTraceViewer()
+					.getDataProcessorAccess().getFilterProcessor()
+					.getExternalFilterProcessor().startExternalApplication();
+
+			if (success) {
+				setImageDescriptor(stopImage);
+				setText(Messages.getString("StopExternalFilterAction.Title")); //$NON-NLS-1$
+				setToolTipText(Messages
+						.getString("StopExternalFilterAction.Tooltip")); //$NON-NLS-1$
+			}
+			// Stop external application and show start image
+		} else {
+			setImageDescriptor(startImage);
+			setText(Messages.getString("StartExternalFilterAction.Title")); //$NON-NLS-1$
+			setToolTipText(Messages
+					.getString("StartExternalFilterAction.Tooltip")); //$NON-NLS-1$
+
+			// Get the processor and stop it if it exists
+			ExternalFilterProcessor extProcessor = TraceViewerGlobals
+					.getTraceViewer().getDataProcessorAccess()
+					.getFilterProcessor().getExternalFilterProcessor();
+
+			if (extProcessor != null) {
+				extProcessor.stopExternalApplication();
+			}
+		}
+		TraceViewerGlobals.postUiEvent("StartExternalFilterButton", "0"); //$NON-NLS-1$ //$NON-NLS-2$
+	}
+}