--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/swt/ComboSingleSelectionObservableValue.d	Tue Apr 14 11:35:29 2009 +0200
@@ -0,0 +1,75 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2008 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 164653
+ *     Ashley Cambrell - bugs 198903, 198904
+ *******************************************************************************/
+module org.eclipse.jface.internal.databinding.swt.ComboSingleSelectionObservableValue;
+
+import java.lang.all;
+
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.widgets.Combo;
+
+/**
+ * @since 1.0
+ *
+ */
+public class ComboSingleSelectionObservableValue :
+        SingleSelectionObservableValue {
+
+    private SelectionListener selectionListener;
+
+    /**
+     * @param combo
+     */
+    public this(Combo combo) {
+        super(combo);
+    }
+
+    private Combo getCombo() {
+        return cast(Combo) getWidget();
+    }
+
+    protected void doAddSelectionListener(Runnable runnable) {
+        selectionListener = new class(runnable) SelectionListener {
+            Runnable runnable_;
+            this(Runnable r ){ runnable_=r; }
+            public void widgetDefaultSelected(SelectionEvent e) {
+                runnable_.run();
+            }
+
+            public void widgetSelected(SelectionEvent e) {
+                runnable_.run();
+            }
+        };
+        getCombo().addSelectionListener(selectionListener);
+    }
+
+    protected int doGetSelectionIndex() {
+        return getCombo().getSelectionIndex();
+    }
+
+    protected void doSetSelectionIndex(int index) {
+        getCombo().select(index);
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose()
+     */
+    public synchronized void dispose() {
+        super.dispose();
+        if (selectionListener !is null && !getCombo().isDisposed()) {
+            getCombo().removeSelectionListener(selectionListener);
+        }
+    }
+}