taxeditor-navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/TaxonNodePropertyTester.java

   1
   2 /**
   3  * <p>TaxonNodePropertyTester class.</p>
   4  *
   5  * @author n.hoffmann
   6  * @version $Id: $
   7  */
   8 package eu.etaxonomy.taxeditor.navigation.navigator;
   9
  10 import org.eclipse.core.expressions.PropertyTester;
  11
  12 import eu.etaxonomy.cdm.model.taxon.Taxon;
  13 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  14 import eu.etaxonomy.cdm.model.taxon.TaxonomicTree;
  15 public class TaxonNodePropertyTester extends PropertyTester {
  16
  17         private static final Object HAS_SYNONYMS = "hasSynonyms";
  18         private static final Object HAS_TAXA = "hasTaxa";
  19
  20         /** {@inheritDoc} */
  21         public boolean test(Object receiver, String property, Object[] args,
  22                         Object expectedValue) {
  23                 if (receiver instanceof TaxonNode && HAS_SYNONYMS.equals(property)) {
  24                         Taxon taxon = ((TaxonNode) receiver).getTaxon();
  25                         if(taxon != null){
  26                                 return taxon.hasSynonyms();
  27                         }
  28                 }
  29
  30                 if (receiver instanceof TaxonomicTree && HAS_TAXA.equals(property)) {
  31                         TaxonomicTree taxononomicTree = (TaxonomicTree) receiver;
  32                         return taxononomicTree.getChildNodes().size() > 0;
  33                 }
  34
  35                 return false;
  36         }
  37 }