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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.navigator;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.log4j.Logger;
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import org.eclipse.jface.viewers.ITreeContentProvider;
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import org.eclipse.jface.viewers.Viewer;
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import eu.etaxonomy.cdm.model.taxon.Synonym;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonBase;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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/**
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* <p>SynonymContentProvider class.</p>
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*
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* @author p.ciardelli
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* @created 02.06.2009
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* @version 1.0
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*/
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public class SynonymContentProvider implements ITreeContentProvider {
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private static final Logger logger = Logger
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.getLogger(SynonymContentProvider.class);
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private static final Object[] NO_CHILDREN = new Object[0];
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/** {@inheritDoc} */
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public Object[] getChildren(Object parentElement) {
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Object[] children = null;
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if (parentElement instanceof Synonym) {
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children = NO_CHILDREN;
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} else if (parentElement instanceof TaxonNode) {
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List<TaxonBase> list = new ArrayList<TaxonBase>();
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Taxon taxon = ((TaxonNode) parentElement).getTaxon();
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for (TaxonBase taxonBase : new IterableSynonymyList(taxon)) {
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if (taxonBase instanceof Synonym) {
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list.add(taxonBase);
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}
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}
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children = list.toArray();
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}
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return children != null ? children : NO_CHILDREN;
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}
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/** {@inheritDoc} */
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public Object getParent(Object element) {
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return null;
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}
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/** {@inheritDoc} */
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public boolean hasChildren(Object element) {
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return this.getChildren(element).length > 0;
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}
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/** {@inheritDoc} */
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public Object[] getElements(Object inputElement) {
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return this.getChildren(inputElement);
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}
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/**
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* <p>dispose</p>
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*/
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public void dispose() {
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}
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/** {@inheritDoc} */
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public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
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}
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}
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