diff -r 000000000000 -r a02c979e8dfd srcanaapps/depexplorer/com.nokia.s60tools.appdep/src/com/nokia/s60tools/appdep/ui/wizards/BuildTargetSelectionNonEmptyAndNonSuppTargetFilter.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srcanaapps/depexplorer/com.nokia.s60tools.appdep/src/com/nokia/s60tools/appdep/ui/wizards/BuildTargetSelectionNonEmptyAndNonSuppTargetFilter.java	Sat Jan 09 10:04:11 2010 +0530
@@ -0,0 +1,78 @@
+/*
+* 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.appdep.ui.wizards;
+
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerFilter;
+
+/**
+ * Accepts in Build Target Selection -wizard page only the targets
+ * that are non-empty or supported.
+ * 
+ * The enabling and disabling of filter is managed using <code>setFilterEnabled</code>
+ * method because using <code>addFilter</code> and <code>removeFilter</code> methods
+ * did not produce wanted UI behavior (transient state while adding/removing could be
+ * detected by user by flicker and showing temporarily unwanted data set before filter
+ * was fully applied).
+ */
+public class BuildTargetSelectionNonEmptyAndNonSuppTargetFilter extends ViewerFilter {
+
+	
+	/**
+	 * By default the filter is enabled.
+	 */
+	boolean isFilterEnabled = true;
+	
+	/**
+	 * Constructor.
+	 * @param isFilterEnabled set to <code>true</code> to enable filter
+	 *                        and to <code>false</code> to disable filter.
+	 */
+	public BuildTargetSelectionNonEmptyAndNonSuppTargetFilter(boolean isFilterEnabled){
+		this.isFilterEnabled = isFilterEnabled;		
+	}
+	
+	/* (non-Javadoc)
+	 * @see org.eclipse.jface.viewers.ViewerFilter#select(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
+	 */
+	@Override
+	public boolean select(Viewer viewer, Object parentElement, Object element) {
+		BuildTargetEntry targetEntry = (BuildTargetEntry) element;
+		// If filter is enabled...
+		if(isFilterEnabled){
+			// The target entry must be both
+			// - non-empty target, and
+			// - supported one.
+			return (!targetEntry.isEmptyTarget()) && (targetEntry.isSupportedTarget());	
+		}
+		// Otherwise accepting all
+		return true;
+	}
+
+	/**
+	 * Sets filter into enabled or disabled state.
+	 * @param isFilterEnabled set to <code>true</code> to enable filter
+	 *                        and to <code>false</code> to disable filter.
+	 */
+	public void setFilterEnabled(boolean isFilterEnabled) {
+		this.isFilterEnabled = isFilterEnabled;
+	}
+
+	
+}