eu.etaxonomy.taxeditor.bulkeditor/src/main/java/eu/etaxonomy/taxeditor/annotatedlineeditor/LineSelectionSource.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.annotatedlineeditor;
  11
  12 import org.apache.log4j.Logger;
  13 import org.eclipse.jface.text.source.Annotation;
  14 import org.eclipse.jface.text.source.IAnnotationModel;
  15 import org.eclipse.jface.text.source.ISourceViewer;
  16
  17 /**
  18  * <p>LineSelectionSource class.</p>
  19  *
  20  * @author p.ciardelli
  21  * @created 03.07.2009
  22  * @version 1.0
  23  */
  24 public class LineSelectionSource implements ILineSelectionSource {
  25         @SuppressWarnings("unused")
  26         private static final Logger logger = Logger
  27                         .getLogger(LineSelectionSource.class);
  28
  29         private ISourceViewer viewer;
  30
  31         /**
  32          * <p>Constructor for LineSelectionSource.</p>
  33          *
  34          * @param viewer a {@link org.eclipse.jface.text.source.ISourceViewer} object.
  35          */
  36         public LineSelectionSource(ISourceViewer viewer) {
  37                 this.viewer = viewer;
  38         }
  39
  40         /* (non-Javadoc)
  41          * @see eu.etaxonomy.taxeditor.bulkeditor.ILineSelectionSource#getSelectedObjectAtLine(int)
  42          */
  43         /** {@inheritDoc} */
  44         public Object getSelectedObjectAtLine(int line) {
  45                 IAnnotationModel model = viewer.getAnnotationModel();
  46                 if (model instanceof LineAnnotationModel) {
  47                         Annotation annotation = ((LineAnnotationModel) model).
  48                                                                                 getAnnotationAtLine(line, viewer.getDocument());
  49                         if (annotation != null) {
  50                                 return ((LineAnnotation) annotation).getEntity();//getPropertySource();
  51                         }
  52                 }
  53                 return null;
  54         }
  55 }