ToolHelperBase.java

/* ******************************************************************************
 * 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.tools;

import org.xmind.gef.EditDomain;
import org.xmind.gef.IViewer;

public class ToolHelperBase implements IToolHelper {

    private EditDomain currentDomain = null;

    private IViewer currentViewer = null;

    public void activate(EditDomain domain, IViewer viewer) {
        this.currentDomain = domain;
        this.currentViewer = viewer;
    }

    public void deactivate(EditDomain domain, IViewer viewer) {
        this.currentDomain = null;
        this.currentViewer = null;
    }

    protected EditDomain getCurrentDomain() {
        return currentDomain;
    }

    protected IViewer getCurrentViewer() {
        return currentViewer;
    }

}