eu.etaxonomy.taxeditor.bulkeditor/src/main/java/eu/etaxonomy/taxeditor/bulkeditor/handler/RemoveMergeCandidateHandler.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
  23 /**
  24  * <p>RemoveMergeCandidateHandler class.</p>
  25  *
  26  * @author p.ciardelli
  27  * @created 25.06.2009
  28  * @version 1.0
  29  */
  30 public class RemoveMergeCandidateHandler extends AbstractHandler {
  31
  32         /* (non-Javadoc)
  33          * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  34          */
  35         /** {@inheritDoc} */
  36         public Object execute(ExecutionEvent event) throws ExecutionException {
  37
  38                 if (HandlerUtil.getCurrentSelection(event) instanceof TextSelection
  39                                 && HandlerUtil.getActiveEditor(event) instanceof BulkEditor) {
  40                         TextSelection selection = (TextSelection) HandlerUtil.getCurrentSelection(event);
  41                         BulkEditor editor = (BulkEditor) HandlerUtil.getActiveEditor(event);
  42
  43                         LineAnnotationModel model = (LineAnnotationModel) editor.getDocumentProvider().getAnnotationModel(editor.getEditorInput());
  44                         if (model != null) {
  45                                 Iterator iter = model.getAnnotationIterator(selection.getOffset(), selection.getLength(), true, true);
  46                                 while (iter.hasNext()) {
  47                                         Object next = iter.next();
  48                                         if (next instanceof LineAnnotation) {
  49                                                 model.changeAnnotationType(
  50                                                                 (LineAnnotation) next, LineAnnotation.TYPE_GENERIC);
  51                                         }
  52                                 }
  53                         }
  54                 }
  55                 return null;
  56         }
  57 }