eu.etaxonomy.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 java.util.ArrayList;
  11 import java.util.Collection;
  12
  13 import org.eclipse.core.expressions.PropertyTester;
  14
  15 import eu.etaxonomy.cdm.model.taxon.Classification;
  16 import eu.etaxonomy.cdm.model.taxon.Taxon;
  17 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  18 public class TaxonNodePropertyTester extends PropertyTester {
  19
  20         private static final Object HAS_SYNONYMS = "hasSynonyms"; //$NON-NLS-1$
  21         private static final Object HAS_TAXA = "hasTaxa"; //$NON-NLS-1$
  22         private static final Object IS_CLASSIFICATION = "isClassification"; //$NON-NLS-1$
  23
  24         /** {@inheritDoc} */
  25         public boolean test(Object receiver, String property, Object[] args,
  26                         Object expectedValue) {
  27                 if (receiver instanceof Collection){
  28                         if (((Collection)receiver).iterator().hasNext()){
  29                                 receiver = ((Collection)receiver).iterator().next();
  30                         }
  31                 }
  32                 if (receiver instanceof TaxonNode && HAS_SYNONYMS.equals(property)) {
  33                         Taxon taxon = ((TaxonNode) receiver).getTaxon();
  34                         if(taxon != null){
  35                                 return taxon.hasSynonyms();
  36                         }
  37                 }
  38
  39                 if (receiver instanceof TaxonNode && HAS_TAXA.equals(property)) {
  40                         TaxonNode node = (TaxonNode) receiver;
  41                         if (!node.hasTaxon()){
  42                                 return node.getChildNodes().size() > 0;
  43                         }else{
  44                                 return false;
  45                         }
  46                 }
  47                 if (receiver instanceof TaxonNode && IS_CLASSIFICATION.equals(property)) {
  48                         TaxonNode node = (TaxonNode) receiver;
  49                         return !node.hasTaxon();
  50                 }
  51
  52                 return false;
  53         }
  54 }