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// $Id$
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/**
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* Copyright (C) 2018 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.editor.definedterm;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.jface.viewers.ViewerSorter;
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import eu.etaxonomy.cdm.model.common.OrderedTermBase;
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/**
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* @author pplitzner
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* @date 13.02.2018
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*
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*/
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public class DefinedTermSorter extends ViewerSorter {
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@Override
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public int compare(Viewer viewer, Object e1, Object e2) {
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// the comparison value in this method determines the
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// location <-> add term method used in the MoveDefinedTermOperation
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// execute call
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if(e1 instanceof OrderedTermBase && e2 instanceof OrderedTermBase) {
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OrderedTermBase otbe1 = (OrderedTermBase)e1;
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OrderedTermBase otbe2 = (OrderedTermBase)e2;
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if(otbe1.getOrderIndex() == otbe2.getOrderIndex()) {
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return 0;
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} else if (otbe1.getOrderIndex() < otbe2.getOrderIndex()){
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return -1;
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} else{
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return 1;
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}
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} else {
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return super.compare(viewer, e1, e2);
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}
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}
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}
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