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/*******************************************************************************
 * Copyright (c) 2000, 2006 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
 *******************************************************************************/
package org.eclipse.compare.internal;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.*;

import org.eclipse.compare.CompareViewerPane;

/**
 * Used whenever the input is null or no viewer can be found.
 */
public class NullViewer extends AbstractViewer {

  private Control fDummy;

  public NullViewer(Composite parent) {

    fDummy= new Tree(parent, SWT.NULL);

    CompareViewerPane.clearToolBar(parent);
  }

  public Control getControl() {
    return fDummy;
  }
}
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