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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 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.IDocument;
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import org.eclipse.jface.text.TextSelection;
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import org.eclipse.jface.text.source.Annotation;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.ui.IEditorInput;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.handlers.HandlerUtil;
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import org.eclipse.ui.texteditor.IDocumentProvider;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.AnnotatedLineEditor;
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import eu.etaxonomy.taxeditor.annotatedlineeditor.LineAnnotationModel;
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import eu.etaxonomy.taxeditor.bulkeditor.IBulkEditorConstants;
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import eu.etaxonomy.taxeditor.bulkeditor.input.AbstractBulkEditorInput;
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/**
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* <p>SetMergeTargetHandler 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 SetMergeTargetHandler 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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IEditorPart editor = HandlerUtil.getActiveEditor(event);
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IEditorInput input = editor.getEditorInput();
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if (editor instanceof AnnotatedLineEditor && input instanceof AbstractBulkEditorInput) {
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IDocumentProvider provider = ((AnnotatedLineEditor) editor).getDocumentProvider();
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LineAnnotationModel model =
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(LineAnnotationModel) provider.getAnnotationModel(input);
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IDocument document = provider.getDocument(input);
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ISelection selection = HandlerUtil.getCurrentSelection(event);
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if (selection instanceof TextSelection) {
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Annotation annotation = null;
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// Get annotation in current line
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int line = ((TextSelection) selection).getStartLine();
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annotation = model.getAnnotationAtLine(line, document);
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// Remove existing merge target
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model.removeTypeFromAllAnnotations(IBulkEditorConstants.TYPE_MERGE_TARGET);
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// Set annotation in current line to merge target
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if (annotation != null) {
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model.changeAnnotationType(
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annotation, IBulkEditorConstants.TYPE_MERGE_TARGET);
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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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