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diff --git a/bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/override/DefaultTreeLayerConfiguration2.java b/bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/override/DefaultTreeLayerConfiguration2.java
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index 000000000..2a575b8e5
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+++ b/bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/override/DefaultTreeLayerConfiguration2.java
@@ -0,0 +1,82 @@
+/*******************************************************************************
+ * Copyright (c) Sep 7, 2012 Edwin Park and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Edwin Park - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.nattable.override;
+
+import org.eclipse.nebula.widgets.nattable.config.CellConfigAttributes;
+import org.eclipse.nebula.widgets.nattable.config.IConfigRegistry;
+import org.eclipse.nebula.widgets.nattable.config.IConfiguration;
+import org.eclipse.nebula.widgets.nattable.export.ExportConfigAttributes;
+import org.eclipse.nebula.widgets.nattable.grid.GridRegion;
+import org.eclipse.nebula.widgets.nattable.layer.ILayer;
+import org.eclipse.nebula.widgets.nattable.style.CellStyleAttributes;
+import org.eclipse.nebula.widgets.nattable.style.DisplayMode;
+import org.eclipse.nebula.widgets.nattable.style.HorizontalAlignmentEnum;
+import org.eclipse.nebula.widgets.nattable.style.Style;
+import org.eclipse.nebula.widgets.nattable.tree.TreeLayer;
+import org.eclipse.nebula.widgets.nattable.tree.action.TreeExpandCollapseAction;
+import org.eclipse.nebula.widgets.nattable.tree.config.TreeExportFormatter;
+import org.eclipse.nebula.widgets.nattable.tree.painter.TreeImagePainter;
+import org.eclipse.nebula.widgets.nattable.ui.action.NoOpMouseAction;
+import org.eclipse.nebula.widgets.nattable.ui.binding.UiBindingRegistry;
+import org.eclipse.nebula.widgets.nattable.ui.matcher.CellPainterMouseEventMatcher;
+import org.eclipse.nebula.widgets.nattable.ui.matcher.MouseEventMatcher;
+
+/**
+ * @author Edwin Park
+ *
+ */
+public class DefaultTreeLayerConfiguration2 implements IConfiguration {
+	
+	
+	private TreeLayer2 treeLayer;
+
+	/**
+	 * 
+	 */
+	public DefaultTreeLayerConfiguration2(TreeLayer2 treeLayer) {
+		this.treeLayer = treeLayer;
+	}
+
+	 @Override
+	    public void configureLayer(ILayer layer) {}
+
+	    @Override
+	    public void configureRegistry(IConfigRegistry configRegistry) {
+	        configRegistry.registerConfigAttribute(CellConfigAttributes.CELL_STYLE,
+	                new Style() {
+	                    {
+	                        setAttributeValue(
+	                                CellStyleAttributes.HORIZONTAL_ALIGNMENT,
+	                                HorizontalAlignmentEnum.LEFT);
+	                    }
+	                }, DisplayMode.NORMAL, TreeLayer.TREE_COLUMN_CELL);
+	        configRegistry.registerConfigAttribute(
+	                ExportConfigAttributes.EXPORT_FORMATTER,
+	                new TreeExportFormatter(this.treeLayer.getModel()),
+	                DisplayMode.NORMAL, TreeLayer.TREE_COLUMN_CELL);
+	    }
+
+	    @Override
+	    public void configureUiBindings(UiBindingRegistry uiBindingRegistry) {
+	        TreeExpandCollapseAction treeExpandCollapseAction = new TreeExpandCollapseAction();
+	        CellPainterMouseEventMatcher treeImagePainterMouseEventMatcher = new CellPainterMouseEventMatcher(
+	                GridRegion.BODY, MouseEventMatcher.LEFT_BUTTON,
+	                TreeImagePainter.class);
+
+	        uiBindingRegistry.registerFirstSingleClickBinding(
+	                treeImagePainterMouseEventMatcher, treeExpandCollapseAction);
+
+	        // Obscure any mouse down bindings for this image painter
+	        uiBindingRegistry.registerFirstMouseDownBinding(
+	                treeImagePainterMouseEventMatcher, new NoOpMouseAction());
+	    }
+
+}