EDIT

// $Id$

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.annotatedlineeditor;

import org.apache.log4j.Logger;

import org.eclipse.jface.text.source.Annotation;

import org.eclipse.jface.text.source.IAnnotationModel;

import org.eclipse.jface.text.source.ISourceViewer;

/**

 * <p>LineSelectionSource class.</p>

 *

 * @author p.ciardelli

 * @created 03.07.2009

 * @version 1.0

 */

public class LineSelectionSource implements ILineSelectionSource {

	@SuppressWarnings("unused")

	private static final Logger logger = Logger

			.getLogger(LineSelectionSource.class);

	private ISourceViewer viewer;

	/**

	 * <p>Constructor for LineSelectionSource.</p>

	 *

	 * @param viewer a {@link org.eclipse.jface.text.source.ISourceViewer} object.

	 */

	public LineSelectionSource(ISourceViewer viewer) {

		this.viewer = viewer;

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.taxeditor.bulkeditor.ILineSelectionSource#getSelectedObjectAtLine(int)

	 */

	/** {@inheritDoc} */

	public Object getSelectedObjectAtLine(int line) {

		IAnnotationModel model = viewer.getAnnotationModel();

		if (model instanceof LineAnnotationModel) {

			Annotation annotation = ((LineAnnotationModel) model).

										getAnnotationAtLine(line, viewer.getDocument());

			if (annotation != null) { 

				return ((LineAnnotation) annotation).getEntity();//getPropertySource();

			}

		}

		return null;

	}

}