--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/observable/ProxyObservableList.d	Tue Apr 14 11:35:29 2009 +0200
@@ -0,0 +1,78 @@
+/*******************************************************************************
+ * Copyright (c) 2007 Matthew Hall 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:
+ *     Matthew Hall - initial API and implementation (bug 208332)
+ *     IBM Corporation - initial API and implementation
+ *         (through ProxyObservableSet.java)
+ ******************************************************************************/
+
+module org.eclipse.core.internal.databinding.observable.ProxyObservableList;
+
+import java.lang.all;
+
+import org.eclipse.core.databinding.observable.IStaleListener;
+import org.eclipse.core.databinding.observable.StaleEvent;
+import org.eclipse.core.databinding.observable.list.IListChangeListener;
+import org.eclipse.core.databinding.observable.list.IObservableList;
+import org.eclipse.core.databinding.observable.list.ListChangeEvent;
+import org.eclipse.core.databinding.observable.list.ObservableList;
+
+/**
+ * Wraps an observable list. This object acts like an exact copy of the original
+ * list, and tracks all the changes in the original. The only difference is that
+ * disposing the wrapper will not dispose the original. You can use this
+ * whenever you need to return an IObservableList from a method that expects the
+ * caller to dispose the list, but you have an IObservableList that you don't
+ * want disposed.
+ * 
+ * @since 1.1
+ */
+public class ProxyObservableList : ObservableList {
+    private IListChangeListener listChangelistener = new class() IListChangeListener {
+        public void handleListChange(ListChangeEvent event) {
+            fireListChange(event.diff);
+        }
+    };
+
+    private IStaleListener staleListener = new class() IStaleListener {
+        public void handleStale(StaleEvent event) {
+            fireStale();
+        }
+    };
+
+    private IObservableList wrappedList;
+
+    /**
+     * Constructs a ProxyObservableList that tracks the state of the given list.
+     * 
+     * @param wrappedList
+     *            the list being wrapped
+     */
+    public this(IObservableList wrappedList) {
+        super(wrappedList.getRealm(), wrappedList, wrappedList.getElementType());
+        this.wrappedList = wrappedList;
+        wrappedList.addListChangeListener(listChangelistener);
+        wrappedList.addStaleListener(staleListener);
+    }
+
+    public bool isStale() {
+        getterCalled();
+        return wrappedList is null ? false : wrappedList.isStale();
+    }
+
+    public void dispose() {
+        if (wrappedList !is null) {
+            wrappedList.removeListChangeListener(listChangelistener);
+            listChangelistener = null;
+            wrappedList.removeStaleListener(staleListener);
+            staleListener = null;
+            wrappedList = null;
+        }
+        super.dispose();
+    }
+}