eu.etaxonomy.taxeditor.bulkeditor/src/main/java/eu/etaxonomy/taxeditor/bulkeditor/handler/SetMergeCandidateHandler.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 package eu.etaxonomy.taxeditor.bulkeditor.handler;
  10
  11 import java.util.Iterator;
  12
  13 import org.eclipse.core.commands.AbstractHandler;
  14 import org.eclipse.core.commands.ExecutionEvent;
  15 import org.eclipse.core.commands.ExecutionException;
  16 import org.eclipse.jface.text.TextSelection;
  17 import org.eclipse.ui.handlers.HandlerUtil;
  18
  19 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;
  20 import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
  21 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  22 import eu.etaxonomy.taxeditor.bulkeditor.IBulkEditorConstants;
  23 import eu.etaxonomy.taxeditor.model.LineSelection;
  24
  25 /**
  26  * <p>SetMergeCandidateHandler class.</p>
  27  *
  28  * @author p.ciardelli
  29  * @created 25.06.2009
  30  * @version 1.0
  31  */
  32 public class SetMergeCandidateHandler extends AbstractHandler {
  33
  34         /* (non-Javadoc)
  35          * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  36          */
  37         /** {@inheritDoc} */
  38         public Object execute(ExecutionEvent event) throws ExecutionException {
  39
  40                 if (HandlerUtil.getCurrentSelection(event) instanceof TextSelection
  41                                 && HandlerUtil.getActiveEditor(event) instanceof BulkEditor) {
  42                         TextSelection selection = (TextSelection) HandlerUtil.getCurrentSelection(event);
  43                         BulkEditor editor = (BulkEditor) HandlerUtil.getActiveEditor(event);
  44
  45                         LineAnnotationModel model = (LineAnnotationModel) editor.getDocumentProvider().getAnnotationModel(editor.getEditorInput());
  46                         if (model != null) {
  47                                 Iterator iter = model.getAnnotationIterator(selection.getOffset(), selection.getLength(), true, true);
  48                                 while (iter.hasNext()) {
  49                                         Object next = iter.next();
  50                                         if (next instanceof LineAnnotation) {
  51                                                 model.changeAnnotationType(
  52                                                                 (LineAnnotation) next, IBulkEditorConstants.TYPE_MERGE_CANDIDATE);
  53                                         }
  54                                 }
  55                         }
  56                 }
  57                 return null;
  58         }
  59 }