NullVirtualSlide.java

/*
 * Copyright (C) 2015 Patryk Strach
 * 
 * This file is part of Virtual Slide Viewer.
 * 
 * Virtual Slide Viewer is free software: you can redistribute it and/or modify it under 
 * the terms of the GNU General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 * 
 * Virtual Slide Viewer is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with Virtual Slide Viewer.
 * If not, see <http://www.gnu.org/licenses/>.
*/

package virtualslideviewer.util;

import java.util.ArrayList;
import java.util.List;

import virtualslideviewer.core.VirtualSlide;
import virtualslideviewer.core.VirtualSlideChangeListener;
import virtualslideviewer.core.VirtualSlideImage;

public class NullVirtualSlide extends VirtualSlide
{
	@Override
	public void addChangeListener(VirtualSlideChangeListener newListener) { }

	@Override
	public void removeChangeListener(VirtualSlideChangeListener newListener) { }

	@Override
	public void addImage(int imageIndex, VirtualSlideImage image) { }

	@Override
	public List<VirtualSlideImage> getImageList()
	{
		return new ArrayList<>();
	}

	@Override
	public void removeImage(int imageIndex) { }

	@Override
	public String getFormat()
	{
		return "NullVirtualSlide";
	}
	
	@Override
	public void close() { }
}