eu.etaxonomy.taxeditor.bulkeditor/src/main/java/eu/etaxonomy/taxeditor/bulkeditor/handler/RemoveMergeCandidateHandler.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.taxeditor.bulkeditor.handler;
  11
  12 import java.util.Iterator;
  13
  14 import org.eclipse.core.commands.AbstractHandler;
  15 import org.eclipse.core.commands.ExecutionEvent;
  16 import org.eclipse.core.commands.ExecutionException;
  17 import org.eclipse.jface.text.TextSelection;
  18 import org.eclipse.ui.handlers.HandlerUtil;
  19
  20 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;
  21 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
  22 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  23
  24 /**
  25  * <p>RemoveMergeCandidateHandler class.</p>
  26  *
  27  * @author p.ciardelli
  28  * @created 25.06.2009
  29  * @version 1.0
  30  */
  31 public class RemoveMergeCandidateHandler extends AbstractHandler {
  32
  33         /* (non-Javadoc)
  34          * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  35          */
  36         /** {@inheritDoc} */
  37         public Object execute(ExecutionEvent event) throws ExecutionException {
  38
  39                 if (HandlerUtil.getCurrentSelection(event) instanceof TextSelection
  40                                 && HandlerUtil.getActiveEditor(event) instanceof BulkEditor) {
  41                         TextSelection selection = (TextSelection) HandlerUtil.getCurrentSelection(event);
  42                         BulkEditor editor = (BulkEditor) HandlerUtil.getActiveEditor(event);
  43
  44                         LineAnnotationModel model = (LineAnnotationModel) editor.getDocumentProvider().getAnnotationModel(editor.getEditorInput());
  45                         if (model != null) {
  46                                 Iterator iter = model.getAnnotationIterator(selection.getOffset(), selection.getLength(), true, true);
  47                                 while (iter.hasNext()) {
  48                                         Object next = iter.next();
  49                                         if (next instanceof LineAnnotation) {
  50                                                 model.changeAnnotationType(
  51                                                                 (LineAnnotation) next, LineAnnotation.TYPE_GENERIC);
  52                                         }
  53                                 }
  54                         }
  55                 }
  56                 return null;
  57         }
  58 }