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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.bulkeditor.handler;
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import java.util.Iterator;
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import org.eclipse.core.commands.AbstractHandler;
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import org.eclipse.core.commands.ExecutionEvent;
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import org.eclipse.core.commands.ExecutionException;
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import org.eclipse.jface.text.TextSelection;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotation;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
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import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
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import eu.etaxonomy.taxeditor.bulkeditor.IBulkEditorConstants;
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import eu.etaxonomy.taxeditor.model.LineSelection;
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/**
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* <p>SetMergeCandidateHandler class.</p>
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*
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* @author p.ciardelli
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* @created 25.06.2009
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* @version 1.0
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*/
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public class SetMergeCandidateHandler extends AbstractHandler {
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/* (non-Javadoc)
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* @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
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*/
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/** {@inheritDoc} */
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public Object execute(ExecutionEvent event) throws ExecutionException {
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if (HandlerUtil.getCurrentSelection(event) instanceof TextSelection
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&& HandlerUtil.getActiveEditor(event) instanceof BulkEditor) {
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TextSelection selection = (TextSelection) HandlerUtil.getCurrentSelection(event);
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BulkEditor editor = (BulkEditor) HandlerUtil.getActiveEditor(event);
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LineAnnotationModel model = (LineAnnotationModel) editor.getDocumentProvider().getAnnotationModel(editor.getEditorInput());
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if (model != null) {
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Iterator iter = model.getAnnotationIterator(selection.getOffset(), selection.getLength(), true, true);
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while (iter.hasNext()) {
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Object next = iter.next();
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if (next instanceof LineAnnotation) {
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model.changeAnnotationType(
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(LineAnnotation) next, IBulkEditorConstants.TYPE_MERGE_CANDIDATE);
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}
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}
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}
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}
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return null;
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}
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}
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