/* ******************************************************************************
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and
* above are dual-licensed under the Eclipse Public License (EPL),
* which is available at http://www.eclipse.org/legal/epl-v10.html
* and the GNU Lesser General Public License (LGPL),
* which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors:
* XMind Ltd. - initial API and implementation
*******************************************************************************/
package org.xmind.ui.mindmap;
import java.util.List;
import org.xmind.core.ITopic;
import org.xmind.gef.service.IViewerService;
public interface IDrillDownTraceService extends IViewerService {
void init(List<ITopic> centralTopics);
List<ITopic> getCentralTopics();
ITopic getCurrentCentralTopic();
ITopic getPreviousCentralTopic();
void setCentralTopic(ITopic topic);
boolean canDrillUp();
void addTraceListener(IDrillDownTraceListener listener);
void removeTraceListener(IDrillDownTraceListener listener);
}