--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysmodelmgr/com.symbian.smt.gui/src/com/symbian/smt/gui/smtwidgets/AbstractMultipleEntriesWidgetAction.java	Thu Mar 11 19:08:43 2010 +0200
@@ -0,0 +1,107 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+
+
+package com.symbian.smt.gui.smtwidgets;
+
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.ui.actions.SelectionProviderAction;
+
+/**
+ * This is the parent of all actions that act on the command line options from
+ * the list of assigned options.
+ * <p>
+ * It caches the Button that is the presentation proxy for the action and
+ * manages the enabled state of the Button to be consistent with its own
+ * enablement state.
+ * </p>
+ * 
+ * @author barbararosi-schwartz
+ * 
+ */
+public abstract class AbstractMultipleEntriesWidgetAction extends
+		SelectionProviderAction {
+
+	protected Button actionProxy;
+	protected ISelectionProvider selectionProvider;
+
+	/**
+	 * The constructor sets the text on the Button that is the visual proxy of
+	 * this action and caches the button for later usage.
+	 * 
+	 * @param text
+	 *            the text that represents both the name of the action and the
+	 *            label on the corresponding Button
+	 * @param button
+	 *            the Button that acts as the visual proxy of this action.
+	 */
+	public AbstractMultipleEntriesWidgetAction(ISelectionProvider provider,
+			String text, Button button) {
+		super(provider, text);
+
+		if (provider == null) {
+			throw new IllegalArgumentException(
+					"ISelectionProvider cannot be null.");
+		}
+
+		if (button == null) {
+			throw new IllegalArgumentException(
+					"Button proxy object cannot be null.");
+		}
+
+		this.selectionProvider = provider;
+		this.actionProxy = button;
+		actionProxy.setText(text);
+	}
+
+	/**
+	 * The default implementation of this method does nothing.
+	 */
+	@Override
+	public void dispose() {
+		super.dispose();
+	}
+
+	/**
+	 * The default implementation of this method does nothing.
+	 */
+	@Override
+	public void run() {
+		super.run();
+	};
+
+	/**
+	 * The default implementation of this method does nothing.
+	 */
+	@Override
+	public void selectionChanged(IStructuredSelection selection) {
+		super.selectionChanged(selection);
+	}
+
+	/**
+	 * Sets the enablement state of the proxy Button to be the same as the
+	 * enablement state of the action, the latter being managed by a call to
+	 * super.setEnabled().
+	 */
+	@Override
+	public final void setEnabled(boolean enabled) {
+		actionProxy.setEnabled(enabled);
+		super.setEnabled(enabled);
+	}
+
+}