taxeditor-bulkeditor/src/main/java/eu/etaxonomy/taxeditor/bulkeditor/handler/SetMergeCandidateHandler.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 import eu.etaxonomy.taxeditor.bulkeditor.IBulkEditorConstants;
  24 import eu.etaxonomy.taxeditor.model.LineSelection;
  25
  26 /**
  27  * <p>SetMergeCandidateHandler class.</p>
  28  *
  29  * @author p.ciardelli
  30  * @created 25.06.2009
  31  * @version 1.0
  32  */
  33 public class SetMergeCandidateHandler extends AbstractHandler {
  34
  35         /* (non-Javadoc)
  36          * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  37          */
  38         /** {@inheritDoc} */
  39         public Object execute(ExecutionEvent event) throws ExecutionException {
  40
  41                 if (HandlerUtil.getCurrentSelection(event) instanceof TextSelection
  42                                 && HandlerUtil.getActiveEditor(event) instanceof BulkEditor) {
  43                         TextSelection selection = (TextSelection) HandlerUtil.getCurrentSelection(event);
  44                         BulkEditor editor = (BulkEditor) HandlerUtil.getActiveEditor(event);
  45
  46                         LineAnnotationModel model = (LineAnnotationModel) editor.getDocumentProvider().getAnnotationModel(editor.getEditorInput());
  47                         if (model != null) {
  48                                 Iterator iter = model.getAnnotationIterator(selection.getOffset(), selection.getLength(), true, true);
  49                                 while (iter.hasNext()) {
  50                                         Object next = iter.next();
  51                                         if (next instanceof LineAnnotation) {
  52                                                 model.changeAnnotationType(
  53                                                                 (LineAnnotation) next, IBulkEditorConstants.TYPE_MERGE_CANDIDATE);
  54                                         }
  55                                 }
  56                         }
  57                 }
  58                 return null;
  59         }
  60 }