eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/editor/definedterm/DefinedTermSorter.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2018 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.taxeditor.editor.definedterm;
  11
  12 import org.eclipse.jface.viewers.Viewer;
  13 import org.eclipse.jface.viewers.ViewerComparator;
  14
  15 import eu.etaxonomy.cdm.api.service.l10n.TermRepresentation_L10n;
  16 import eu.etaxonomy.cdm.model.term.OrderedTermBase;
  17 import eu.etaxonomy.cdm.persistence.dto.TermDto;
  18 import eu.etaxonomy.cdm.persistence.dto.TermVocabularyDto;
  19
  20 /**
  21  * @author pplitzner
  22  * @date 13.02.2018
  23  */
  24 public class DefinedTermSorter extends ViewerComparator {
  25
  26     @Override
  27     public int compare(Viewer viewer, Object e1, Object e2) {
  28      // the comparison value in this method determines the
  29         // location <-> add term method used in the MoveDefinedTermOperation
  30         // execute call
  31         //FIXME: remove this when all viewer are changed to use DTOs
  32         if(e1 instanceof OrderedTermBase && e2 instanceof OrderedTermBase) {
  33             OrderedTermBase otbe1 = (OrderedTermBase)e1;
  34             OrderedTermBase otbe2 = (OrderedTermBase)e2;
  35             if(otbe1.getOrderIndex() == otbe2.getOrderIndex()) {
  36                 return 0;
  37             } else if (otbe1.getOrderIndex() < otbe2.getOrderIndex()){
  38                 return -1;
  39             } else{
  40                 return 1;
  41             }
  42         }
  43         else if(e1 instanceof TermDto && e2 instanceof TermDto) {
  44             TermDto termDto1 = (TermDto)e1;
  45             TermDto termDto2 = (TermDto)e2;
  46             int orderIndexCompare = 0;
  47             if(termDto1.getOrderIndex()!=null){
  48                 if(termDto2.getOrderIndex()!=null){
  49                     orderIndexCompare =   termDto1.getOrderIndex() - termDto2.getOrderIndex();
  50                 }
  51                 else{
  52                     orderIndexCompare = 1;
  53                 }
  54             }
  55             else if(termDto2.getOrderIndex()!=null){
  56                 orderIndexCompare = -1;
  57             }
  58             if(orderIndexCompare != 0){
  59                 return orderIndexCompare;
  60             }
  61             else {
  62                 // order indexes are equal or null -> compare by label
  63                 termDto1.localize(new TermRepresentation_L10n());
  64                 termDto2.localize(new TermRepresentation_L10n());
  65                 if(termDto1.getRepresentation_L10n()!=null){
  66                     if(termDto2.getRepresentation_L10n()!=null) {
  67                         return termDto1.getRepresentation_L10n().toLowerCase().compareTo(termDto2.getRepresentation_L10n().toLowerCase());
  68                     }
  69                     else{
  70                         return 1;
  71                     }
  72                 }
  73                 else if(termDto2.getRepresentation_L10n()!=null){
  74                     return -1;
  75                 }
  76             }
  77         }
  78         else if(e1 instanceof TermVocabularyDto && e2 instanceof TermVocabularyDto) {
  79             TermVocabularyDto termVoc1 = (TermVocabularyDto)e1;
  80             TermVocabularyDto termVoc2 = (TermVocabularyDto)e2;
  81             termVoc1.localize(new TermRepresentation_L10n());
  82             termVoc2.localize(new TermRepresentation_L10n());
  83             if(termVoc1.getRepresentation_L10n()!=null){
  84                 if(termVoc2.getRepresentation_L10n()!=null) {
  85                     return termVoc1.getRepresentation_L10n().toLowerCase().compareTo(termVoc2.getRepresentation_L10n().toLowerCase());
  86                 }
  87                 else{
  88                     return 1;
  89                 }
  90             }
  91             else if(termVoc2.getRepresentation_L10n()!=null){
  92                 return -1;
  93             }
  94         }
  95         return super.compare(viewer, e1, e2);
  96     }
  97 }