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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.view.datasource;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.jface.viewers.ViewerComparator;
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import eu.etaxonomy.cdm.model.metadata.CdmMetaData.MetaDataPropertyName;
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import eu.etaxonomy.cdm.model.name.NomenclaturalCode;
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/**
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* @author n.hoffmann
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* @created Dec 8, 2010
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* @version 1.0
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*/
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public class CdmDataSourceViewerComparator extends ViewerComparator {
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private int propertyIndex;
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private static final int DESCENDING = 1;
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private int direction = DESCENDING;
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public CdmDataSourceViewerComparator() {
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this.propertyIndex = 1;
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direction = DESCENDING;
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}
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public void setColumn(int column) {
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if (column == this.propertyIndex) {
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// Same column as last sort; toggle the direction
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direction = 1 - direction;
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} else {
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// New column; do an ascending sort
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this.propertyIndex = column;
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direction = DESCENDING;
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}
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
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*/
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@Override
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public int compare(Viewer viewer, Object e1, Object e2) {
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CdmMetaDataAwareDataSourceContainer d1 = (CdmMetaDataAwareDataSourceContainer) e1;
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CdmMetaDataAwareDataSourceContainer d2 = (CdmMetaDataAwareDataSourceContainer) e2;
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int result = 0;
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switch (propertyIndex) {
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case 10:
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result = d1.getMetaData(MetaDataPropertyName.DB_CREATE_NOTE).compareTo(d2.getMetaData(MetaDataPropertyName.DB_CREATE_NOTE));
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break;
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case 9:
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// is compatible
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break;
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case 8:
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result = d1.getMetaData(MetaDataPropertyName.DB_SCHEMA_VERSION).compareTo(d2.getMetaData(MetaDataPropertyName.DB_SCHEMA_VERSION));
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break;
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case 7:
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result = d1.getMetaData(MetaDataPropertyName.DB_CREATE_DATE).compareTo(d2.getMetaData(MetaDataPropertyName.DB_CREATE_DATE));
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break;
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case 6:
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// is running
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break;
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case 5:
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NomenclaturalCode code1 = d1.getDataSource().getNomenclaturalCode();
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NomenclaturalCode code2 = d2.getDataSource().getNomenclaturalCode();
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if (code1 != null && code2 != null) {
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result = code1.compareTo(code2);
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}
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break;
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case 4:
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result = d1.getDataSource().getDatabase().compareTo(d2.getDataSource().getDatabase());
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break;
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case 3:
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result = d1.getDataSource().getDatabaseType().getName().compareTo(d2.getDataSource().getDatabaseType().getName());
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break;
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case 2:
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String server1 = d1.getDataSource().getServer();
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String server2 = d2.getDataSource().getServer();
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if(server1 != null && server2 != null){
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result = server1.compareTo(server2);
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}
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// h2 databases do not have server entries
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break;
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default:
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result = d1.getDataSource().getName().compareTo(d2.getDataSource().getName());
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}
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// If descending order, flip the direction
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if (direction == DESCENDING) {
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result = -result;
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}
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return result;
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}
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}
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