diff -r 000000000000 -r a02c979e8dfd srcanaapps/depexplorer/com.nokia.s60tools.appdep/src/com/nokia/s60tools/appdep/ui/actions/CacheUpdateMainViewAction.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srcanaapps/depexplorer/com.nokia.s60tools.appdep/src/com/nokia/s60tools/appdep/ui/actions/CacheUpdateMainViewAction.java	Sat Jan 09 10:04:11 2010 +0530
@@ -0,0 +1,95 @@
+/*
+* Copyright (c) 2006 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.appdep.ui.actions;
+
+import org.eclipse.swt.SWT;
+
+import com.nokia.s60tools.appdep.core.AppDepSettings;
+import com.nokia.s60tools.appdep.core.job.GenerateCacheJob;
+import com.nokia.s60tools.appdep.resources.ImageKeys;
+import com.nokia.s60tools.appdep.resources.ImageResourceManager;
+import com.nokia.s60tools.appdep.resources.Messages;
+import com.nokia.s60tools.appdep.ui.dialogs.AppDepMessageBox;
+import com.nokia.s60tools.appdep.ui.views.main.MainView;
+
+/**
+ * Start cache update if needed from main view's toolbar.
+ */
+public class CacheUpdateMainViewAction extends AbstractMainViewAction {
+	
+	public static final String ACTION_ID = "com.nokia.s60tools.appdep.ui.actions.CacheUpdateMainViewAction"; //$NON-NLS-1$
+	
+	/**
+	 * Constructor.
+	 * @param view Reference to the view.
+	 */
+	public CacheUpdateMainViewAction(MainView view){
+		super(view);
+		setText(Messages.getString("CacheUpdateMainViewAction.CacheUpdateMainView_Action_Text")); //$NON-NLS-1$
+		setToolTipText(Messages.getString("CacheUpdateMainViewAction.CacheUpdateMainView_Action_Tooltip")); //$NON-NLS-1$
+		
+		setId(ACTION_ID);
+		setImageDescriptor(ImageResourceManager.
+								getImageDescriptor(ImageKeys.CACHE_UPDATE_ACTION));	
+		
+	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.jface.action.IAction#run()
+	 */
+	public void run() {
+		
+		String currentRootComponent = null;
+		AppDepSettings activeSettings = AppDepSettings.getActiveSettings();
+		currentRootComponent =  activeSettings.getCurrentlyAnalyzedComponentName();		
+		
+		if(currentRootComponent == null){
+			// User has not selected any components for analysis
+			String infoMsg = Messages.getString("GeneralMessages.Select_SDK_First_ErrMsg"); //$NON-NLS-1$
+			new AppDepMessageBox(infoMsg, SWT.OK | SWT.ICON_INFORMATION).open();
+			return;
+		}
+		
+		if(activeSettings.currentlySelectedCachesNeedsUpdate()){
+			// Aborting possible ongoing search
+			MainView.abortCurrentlyOngoingSearches();
+			
+			// Triggering cache generation job
+			GenerateCacheJob.triggerCacheGenerationForCurrentlyActiveSettings();			
+		}
+		else{
+			// Cache is up-to-date
+			String infoMsg = null;
+			if(activeSettings.getCurrentlyUsedTargetPlatforms().length > 1){
+				infoMsg = Messages.getString("CacheUpdateMainViewAction.Caches_Are_Up_To_Date_InfoMsg"); //$NON-NLS-1$				
+			}
+			else{
+				infoMsg = Messages.getString("CacheUpdateMainViewAction.Cache_Is_Up_To_Date_InfoMsg"); //$NON-NLS-1$								
+			}
+			new AppDepMessageBox(infoMsg, SWT.OK | SWT.ICON_INFORMATION).open();
+			return;			
+		}
+		
+		// Remember to always call AbstractMainViewAction
+		// base class implementation
+		super.run();
+				
+	}
+		
+}