eu.etaxonomy.taxeditor.navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/navigator/TaxonNodeNavigatorComparator.java

   1 package eu.etaxonomy.taxeditor.navigation.navigator;
   2
   3 import java.util.Comparator;
   4
   5 import org.eclipse.jface.viewers.Viewer;
   6 import org.eclipse.jface.viewers.ViewerComparator;
   7
   8 import eu.etaxonomy.cdm.model.taxon.Classification;
   9 import eu.etaxonomy.cdm.model.taxon.TaxonNaturalComparator;
  10 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  11
  12 public class TaxonNodeNavigatorComparator extends ViewerComparator{
  13
  14         Comparator<TaxonNode> comparator;
  15
  16         public TaxonNodeNavigatorComparator(Comparator<TaxonNode> comparator){
  17                 super();
  18                 this.comparator = comparator;
  19         }
  20
  21
  22
  23         @Override
  24         public int compare(Viewer viewer, Object e1, Object e2){
  25                 if ((e1 instanceof Classification && e2 instanceof Classification) ){
  26                         return ((Classification)e1).getTitleCache().compareTo(((Classification)e2).getTitleCache());
  27                 } else{
  28                         if (((TaxonNode)e1).getTaxon() == null && ((TaxonNode)e2).getTaxon() == null){
  29                                 String title1 = ((TaxonNode)e1).getClassification().getTitleCache();
  30                                 title1 = title1 == null ? "" : title1;
  31                                 return title1.compareTo(((TaxonNode)e2).getClassification().getTitleCache());
  32                         }else{
  33                                 return comparator.compare((TaxonNode)e1, (TaxonNode)e2);
  34                         }
  35
  36                 }
  37         }
  38 }