--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface/src/org/eclipse/jface/viewers/TreeExpansionEvent.d	Sat Mar 14 18:23:29 2009 +0100
@@ -0,0 +1,67 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2006 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
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module org.eclipse.jface.viewers.TreeExpansionEvent;
+
+import org.eclipse.jface.viewers.AbstractTreeViewer;
+
+import java.lang.all;//.EventObject;
+import java.util.EventObject;
+
+/**
+ * Event object describing a tree node being expanded
+ * or collapsed. The source of these events is the tree viewer.
+ *
+ * @see ITreeViewerListener
+ */
+public class TreeExpansionEvent : EventObject {
+
+    /**
+     * Generated serial version UID for this class.
+     * @since 3.1
+     */
+    private static const long serialVersionUID = 3618414930227835185L;
+
+    /**
+     * The element that was expanded or collapsed.
+     */
+    private Object element;
+
+    /**
+     * Creates a new event for the given source and element.
+     *
+     * @param source the tree viewer
+     * @param element the element
+     */
+    public this(AbstractTreeViewer source, Object element) {
+        super(source);
+        this.element = element;
+    }
+
+    /**
+     * Returns the element that got expanded or collapsed.
+     *
+     * @return the element
+     */
+    public Object getElement() {
+        return element;
+    }
+
+    /**
+     * Returns the originator of the event.
+     *
+     * @return the originating tree viewer
+     */
+    public AbstractTreeViewer getTreeViewer() {
+        return cast(AbstractTreeViewer) source;
+    }
+}