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/**
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* <p>TaxonNodePropertyTester class.</p>
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*
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* @author n.hoffmann
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* @version $Id: $
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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.Collection;
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import org.eclipse.core.expressions.PropertyTester;
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import eu.etaxonomy.cdm.model.taxon.Classification;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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public class TaxonNodePropertyTester extends PropertyTester {
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private static final Object HAS_SYNONYMS = "hasSynonyms"; //$NON-NLS-1$
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private static final Object HAS_TAXA = "hasTaxa"; //$NON-NLS-1$
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private static final Object IS_CLASSIFICATION = "isClassification"; //$NON-NLS-1$
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/** {@inheritDoc} */
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public boolean test(Object receiver, String property, Object[] args,
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Object expectedValue) {
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if (receiver instanceof Collection){
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if (((Collection)receiver).iterator().hasNext()){
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receiver = ((Collection)receiver).iterator().next();
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}
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}
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if (receiver instanceof TaxonNode && HAS_SYNONYMS.equals(property)) {
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Taxon taxon = ((TaxonNode) receiver).getTaxon();
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if(taxon != null){
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return taxon.hasSynonyms();
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}
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}
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if (receiver instanceof TaxonNode && HAS_TAXA.equals(property)) {
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TaxonNode node = (TaxonNode) receiver;
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if (!node.hasTaxon()){
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return node.getChildNodes().size() > 0;
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}else{
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return false;
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}
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}
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if (receiver instanceof TaxonNode && IS_CLASSIFICATION.equals(property)) {
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TaxonNode node = (TaxonNode) receiver;
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return !node.hasTaxon();
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}
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return false;
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}
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}
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