eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/datasource/CdmDataSourceViewerComparator.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 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
  11 package eu.etaxonomy.taxeditor.view.datasource;
  12
  13 import org.eclipse.jface.viewers.Viewer;
  14 import org.eclipse.jface.viewers.ViewerComparator;
  15
  16 import eu.etaxonomy.cdm.model.metadata.CdmMetaData.MetaDataPropertyName;
  17 import eu.etaxonomy.cdm.model.name.NomenclaturalCode;
  18
  19 /**
  20  * @author n.hoffmann
  21  * @created Dec 8, 2010
  22  * @version 1.0
  23  */
  24 public class CdmDataSourceViewerComparator extends ViewerComparator {
  25
  26         private int propertyIndex;
  27         private static final int DESCENDING = 1;
  28         private int direction = DESCENDING;
  29
  30         public CdmDataSourceViewerComparator() {
  31                 this.propertyIndex = 1;
  32                 direction = DESCENDING;
  33         }
  34
  35         public void setColumn(int column) {
  36                 if (column == this.propertyIndex) {
  37                         // Same column as last sort; toggle the direction
  38                         direction = 1 - direction;
  39                 } else {
  40                         // New column; do an ascending sort
  41                         this.propertyIndex = column;
  42                         direction = DESCENDING;
  43                 }
  44         }
  45
  46         /* (non-Javadoc)
  47          * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
  48          */
  49         @Override
  50         public int compare(Viewer viewer, Object e1, Object e2) {
  51                 CdmMetaDataAwareDataSourceContainer d1 = (CdmMetaDataAwareDataSourceContainer) e1;
  52                 CdmMetaDataAwareDataSourceContainer d2 = (CdmMetaDataAwareDataSourceContainer) e2;
  53
  54                 int result = 0;
  55
  56                 switch (propertyIndex) {
  57                         case 10:
  58                                 result = d1.getMetaData(MetaDataPropertyName.DB_CREATE_NOTE).compareTo(d2.getMetaData(MetaDataPropertyName.DB_CREATE_NOTE));
  59                                 break;
  60                         case 9:
  61                                 // is compatible
  62                                 break;
  63                         case 8:
  64                                 result = d1.getMetaData(MetaDataPropertyName.DB_SCHEMA_VERSION).compareTo(d2.getMetaData(MetaDataPropertyName.DB_SCHEMA_VERSION));
  65                                 break;
  66                         case 7:
  67                                 result = d1.getMetaData(MetaDataPropertyName.DB_CREATE_DATE).compareTo(d2.getMetaData(MetaDataPropertyName.DB_CREATE_DATE));
  68                                 break;
  69                         case 6:
  70                                 // is running
  71                                 break;
  72                         case 5:
  73                                 NomenclaturalCode code1 = d1.getDataSource().getNomenclaturalCode();
  74                                 NomenclaturalCode code2 = d2.getDataSource().getNomenclaturalCode();
  75                                 if (code1 != null && code2 != null) {
  76                                         result = code1.compareTo(code2);
  77                                 }
  78                                 break;
  79                         case 4:
  80                                 result = d1.getDataSource().getDatabase().compareTo(d2.getDataSource().getDatabase());
  81                                 break;
  82                         case 3:
  83                                 result = d1.getDataSource().getDatabaseType().getName().compareTo(d2.getDataSource().getDatabaseType().getName());
  84                                 break;
  85                         case 2:
  86                                 String server1 = d1.getDataSource().getServer();
  87                                 String server2 = d2.getDataSource().getServer();
  88                                 if(server1 != null && server2 != null){
  89                                         result = server1.compareTo(server2);
  90                                 }
  91                                 // h2 databases do not have server entries
  92                                 break;
  93                         default:
  94                                 result = d1.getDataSource().getName().compareTo(d2.getDataSource().getName());
  95                 }
  96
  97                 // If descending order, flip the direction
  98                 if (direction == DESCENDING) {
  99                         result = -result;
 100                 }
 101                 return result;
 102         }
 103 }