--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface/src/org/eclipse/jface/action/AbstractAction.d	Sat Mar 14 18:23:29 2009 +0100
@@ -0,0 +1,87 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2007 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.action.AbstractAction;
+
+import org.eclipse.jface.action.IAction;
+
+import org.eclipse.core.commands.common.EventManager;
+import org.eclipse.jface.util.IPropertyChangeListener;
+import org.eclipse.jface.util.PropertyChangeEvent;
+
+import java.lang.all;
+
+/**
+ * <p>
+ * Some common functionality to share between implementations of
+ * <code>IAction</code>. This functionality deals with the property change
+ * event mechanism.
+ * </p>
+ * <p>
+ * Clients may neither instantiate nor extend this class.
+ * </p>
+ *
+ * @since 3.2
+ */
+public abstract class AbstractAction : EventManager, IAction {
+
+    public void addPropertyChangeListener(IPropertyChangeListener listener) {
+        addListenerObject(cast(Object)listener);
+    }
+
+    /**
+     * Notifies any property change listeners that a property has changed. Only
+     * listeners registered at the time this method is called are notified.
+     *
+     * @param event
+     *            the property change event
+     *
+     * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(PropertyChangeEvent)
+     */
+    protected final void firePropertyChange(PropertyChangeEvent event) {
+        final Object[] list = getListeners();
+        for (int i = 0; i < list.length; ++i) {
+            (cast(IPropertyChangeListener) list[i]).propertyChange(event);
+        }
+    }
+
+    /**
+     * Notifies any property change listeners that a property has changed. Only
+     * listeners registered at the time this method is called are notified. This
+     * method avoids creating an event object if there are no listeners
+     * registered, but calls
+     * <code>firePropertyChange(PropertyChangeEvent)</code> if there are.
+     *
+     * @param propertyName
+     *            the name of the property that has changed
+     * @param oldValue
+     *            the old value of the property, or <code>null</code> if none
+     * @param newValue
+     *            the new value of the property, or <code>null</code> if none
+     *
+     * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(PropertyChangeEvent)
+     */
+    protected final void firePropertyChange(String propertyName,
+            Object oldValue, Object newValue) {
+        if (isListenerAttached()) {
+            firePropertyChange(new PropertyChangeEvent(this, propertyName,
+                    oldValue, newValue));
+        }
+    }
+
+    public void removePropertyChangeListener(
+            IPropertyChangeListener listener) {
+        removeListenerObject(cast(Object)listener);
+    }
+
+}