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diff --git a/plugins/xwt/org.eclipse.papyrus.xwt/src/org/eclipse/papyrus/xwt/jface/ObservableMapLabelProvider.java b/plugins/xwt/org.eclipse.papyrus.xwt/src/org/eclipse/papyrus/xwt/jface/ObservableMapLabelProvider.java
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+++ b/plugins/xwt/org.eclipse.papyrus.xwt/src/org/eclipse/papyrus/xwt/jface/ObservableMapLabelProvider.java
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+/*******************************************************************************
+ * Copyright (c) 2006, 2010 IBM Corporation 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:
+ *     IBM Corporation - initial API and implementation
+ *     Brad Reynolds - bug 164247
+ *     Brad Reynolds - bug 164134
+ *     yves yang     - port to XWT
+ *******************************************************************************/
+package org.eclipse.papyrus.xwt.jface;
+
+import java.util.Set;
+
+import org.eclipse.core.databinding.observable.map.IMapChangeListener;
+import org.eclipse.core.databinding.observable.map.IObservableMap;
+import org.eclipse.core.databinding.observable.map.MapChangeEvent;
+import org.eclipse.core.databinding.observable.set.IObservableSet;
+import org.eclipse.jface.viewers.ILabelProvider;
+import org.eclipse.jface.viewers.ITableLabelProvider;
+import org.eclipse.jface.viewers.LabelProvider;
+import org.eclipse.jface.viewers.LabelProviderChangedEvent;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.graphics.Image;
+
+/**
+ * A label provider based on one or more observable maps that track attributes
+ * that this label provider uses for display. Clients may customize by
+ * subclassing and overriding {@link #getColumnText(Object, int)}, {@link #getColumnImage(Object, int)}, for tables or trees with columns, or by
+ * implementing additional mixin interfaces for colors, fonts etc.
+ * 
+ * @since 1.1
+ * 
+ */
+public class ObservableMapLabelProvider extends LabelProvider implements ILabelProvider, ITableLabelProvider {
+
+	private final IObservableMap[] textMaps;
+
+	private Viewer viewer;
+
+	private IMapChangeListener mapChangeListener = new IMapChangeListener() {
+
+		public void handleMapChange(MapChangeEvent event) {
+			Set<?> affectedElements = event.diff.getChangedKeys();
+			LabelProviderChangedEvent newEvent = new LabelProviderChangedEvent(ObservableMapLabelProvider.this, affectedElements.toArray());
+			fireLabelProviderChanged(newEvent);
+		}
+	};
+
+	/**
+	 * @param textMaps
+	 */
+	public ObservableMapLabelProvider(Viewer viewer, IObservableSet domain, String[] propertyNames) {
+		textMaps = new XWTObservableWrapper[propertyNames.length];
+
+		for(int i = 0; i < textMaps.length; i++) {
+			textMaps[i] = new XWTObservableWrapper(domain, viewer, propertyNames[i]);
+			textMaps[i].addMapChangeListener(mapChangeListener);
+		}
+		this.viewer = viewer;
+	}
+
+	public void dispose() {
+		for(int i = 0; i < textMaps.length; i++) {
+			textMaps[i].removeMapChangeListener(mapChangeListener);
+		}
+		super.dispose();
+	}
+
+	public Image getImage(Object element) {
+		return getColumnImage(element, 0);
+	}
+
+	public Image getColumnImage(Object element, int columnIndex) {
+		if(columnIndex < textMaps.length) {
+			Object result = textMaps[columnIndex].get(element);
+			return JFacesHelper.getColumnImage(viewer, result, columnIndex);
+		}
+		return null;
+	}
+
+	public String getText(Object element) {
+		return getColumnText(element, 0);
+	}
+
+	public String getColumnText(Object element, int columnIndex) {
+		if(columnIndex < textMaps.length) {
+			Object result = textMaps[columnIndex].get(element);
+			return JFacesHelper.getColumnText(viewer, result, columnIndex);
+		}
+		return null;
+	}
+}