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// $Id$
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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.navigation.key.polytomous.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.viewers.ISelection;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.cdm.model.description.PolytomousKey;
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import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
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/**
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* @author n.hoffmann
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* @created Dec 3, 2010
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* @version 1.0
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*/
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public class EditHandler extends AbstractHandler {
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/* (non-Javadoc)
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* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
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*/
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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ISelection selection = HandlerUtil.getCurrentSelection(event);
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if(selection instanceof StructuredSelection){
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final StructuredSelection structuredSelection = (StructuredSelection) selection;
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if(structuredSelection.size() == 1 && structuredSelection.getFirstElement() instanceof PolytomousKey){
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NavigationUtil.openEditor((PolytomousKey) structuredSelection.getFirstElement());
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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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