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.config.ICdmSource;
  17 import eu.etaxonomy.cdm.database.ICdmDataSource;
  18 import eu.etaxonomy.cdm.model.metadata.CdmMetaData.MetaDataPropertyName;
  19 import eu.etaxonomy.cdm.model.name.NomenclaturalCode;
  20
  21 /**
  22  * @author n.hoffmann
  23  * @created Dec 8, 2010
  24  * @version 1.0
  25  */
  26 public class CdmDataSourceViewerComparator extends ViewerComparator {
  27
  28         private int propertyIndex;
  29         private static final int DESCENDING = 1;
  30         private int direction = DESCENDING;
  31
  32         public CdmDataSourceViewerComparator() {
  33                 this.propertyIndex = 1;
  34                 direction = DESCENDING;
  35         }
  36
  37         public void setColumn(int column) {
  38                 if (column == this.propertyIndex) {
  39                         // Same column as last sort; toggle the direction
  40                         direction = 1 - direction;
  41                 } else {
  42                         // New column; do an ascending sort
  43                         this.propertyIndex = column;
  44                         direction = DESCENDING;
  45                 }
  46         }
  47
  48         /* (non-Javadoc)
  49          * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
  50          */
  51         @Override
  52         public int compare(Viewer viewer, Object e1, Object e2) {
  53                 CdmMetaDataAwareDataSourceContainer d1 = (CdmMetaDataAwareDataSourceContainer) e1;
  54                 CdmMetaDataAwareDataSourceContainer d2 = (CdmMetaDataAwareDataSourceContainer) e2;
  55
  56                 ICdmSource cs1 = d1.getCdmSource();
  57                 ICdmSource cs2 = d2.getCdmSource();
  58
  59                 int result = 0;
  60
  61                 switch (propertyIndex) {
  62                         case 10:
  63                                 result = d1.getMetaData(MetaDataPropertyName.DB_CREATE_NOTE).compareTo(d2.getMetaData(MetaDataPropertyName.DB_CREATE_NOTE));
  64                                 break;
  65                         case 9:
  66                                 // is compatible
  67                                 break;
  68                         case 8:
  69                                 result = d1.getMetaData(MetaDataPropertyName.DB_SCHEMA_VERSION).compareTo(d2.getMetaData(MetaDataPropertyName.DB_SCHEMA_VERSION));
  70                                 break;
  71                         case 7:
  72                                 result = d1.getMetaData(MetaDataPropertyName.DB_CREATE_DATE).compareTo(d2.getMetaData(MetaDataPropertyName.DB_CREATE_DATE));
  73                                 break;
  74                         case 6:
  75                                 // is running
  76                                 break;
  77                         case 5:
  78                                 NomenclaturalCode code1 = d1.getCdmSource().getNomenclaturalCode();
  79                                 NomenclaturalCode code2 = d2.getCdmSource().getNomenclaturalCode();
  80                                 if (code1 != null && code2 != null) {
  81                                         result = code1.compareTo(code2);
  82                                 }
  83                                 break;
  84                         case 4:
  85                                 if(cs1 instanceof ICdmDataSource && cs2 instanceof ICdmDataSource) {
  86                                         result = ((ICdmDataSource)cs1).getDatabase().compareTo(((ICdmDataSource)cs2).getDatabase());
  87                                 }
  88
  89                                 break;
  90                         case 3:
  91                                 if(cs1 instanceof ICdmDataSource && cs2 instanceof ICdmDataSource) {
  92                                         result = ((ICdmDataSource)cs1).getDatabaseType().getName().compareTo(((ICdmDataSource)cs2).getDatabaseType().getName());
  93                                 }
  94                                 break;
  95                         case 2:
  96                                 String server1 = d1.getCdmSource().getServer();
  97                                 String server2 = d2.getCdmSource().getServer();
  98                                 if(server1 != null && server2 != null){
  99                                         result = server1.compareTo(server2);
 100                                 }
 101                                 // h2 databases do not have server entries
 102                                 break;
 103                         default:
 104                                 result = d1.getCdmSource().getName().compareTo(d2.getCdmSource().getName());
 105                 }
 106
 107                 // If descending order, flip the direction
 108                 if (direction == DESCENDING) {
 109                         result = -result;
 110                 }
 111                 return result;
 112         }
 113 }