| /* |
| * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.view; |
| |
| import org.eclipse.emf.cdo.transaction.CDOTransactionFinishedEvent; |
| import org.eclipse.emf.cdo.transaction.CDOTransactionStartedEvent; |
| |
| import org.eclipse.net4j.util.event.IEvent; |
| import org.eclipse.net4j.util.event.IListener; |
| |
| /** |
| * A {@link IListener listener} that calls the {@link #onDirtyStateChanged(boolean)} method when the {@link CDOView#isDirty() dirty} state |
| * of the {@link CDOView view} this listener is {@link CDOView#addListener(IListener) registered} with has changed. |
| * |
| * @author Eike Stepper |
| * @since 4.2 |
| */ |
| public abstract class CDODirtyStateAdapter implements IListener |
| { |
| public void notifyEvent(IEvent event) |
| { |
| if (event instanceof CDOTransactionStartedEvent) |
| { |
| onDirtyStateChanged(true); |
| } |
| else if (event instanceof CDOTransactionFinishedEvent) |
| { |
| onDirtyStateChanged(false); |
| } |
| else |
| { |
| notifyOtherEvent(event); |
| } |
| } |
| |
| protected void notifyOtherEvent(IEvent event) |
| { |
| } |
| |
| protected abstract void onDirtyStateChanged(boolean dirty); |
| } |