--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/draw2d/ConnectionAnchorBase.d	Sun Aug 03 00:52:14 2008 +0200
@@ -0,0 +1,64 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 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 dwtx.draw2d.ConnectionAnchorBase;
+
+import dwt.dwthelper.utils;
+import dwtx.dwtxhelper.Collection;
+
+import dwtx.draw2d.ConnectionAnchor;
+import dwtx.draw2d.AnchorListener;
+
+/**
+ * Provides support for a ConnectionAnchor. A ConnectionAnchor is one of the end points
+ * of a {@link Connection}. It holds listeners and notifies them if the anchor is moved.
+ */
+public abstract class ConnectionAnchorBase
+    : ConnectionAnchor
+{
+
+/**
+ * The list of listeners
+ */
+protected List listeners;
+
+this(){
+    listeners = new ArrayList(1);
+}
+
+/**
+ * @see dwtx.draw2d.ConnectionAnchor#addAnchorListener(AnchorListener)
+ */
+public void addAnchorListener(AnchorListener listener) {
+    listeners.add(cast(Object)listener);
+}
+
+/**
+ * @see dwtx.draw2d.ConnectionAnchor#removeAnchorListener(AnchorListener)
+ */
+public void removeAnchorListener(AnchorListener listener) {
+    listeners.remove(cast(Object)listener);
+}
+
+/**
+ * Notifies all the listeners in the list of a change in position of this anchor. This is
+ * called from one of the implementing anchors when its location is changed.
+ *
+ * @since 2.0
+ */
+protected void fireAnchorMoved() {
+    Iterator iter = listeners.iterator();
+    while (iter.hasNext())
+        (cast(AnchorListener)iter.next()).anchorMoved(this);
+}
+
+}