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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.apache.commons.lang3.StringUtils;
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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.common.CdmUtils;
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import eu.etaxonomy.cdm.persistence.dto.TermNodeDto;
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import eu.etaxonomy.taxeditor.featuretree.TermTreeLabelProvider;
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/**
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* @author pplitzner
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* @since May 24, 2019
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*/
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public class FeatureTreeViewerComparator extends ViewerComparator {
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private TermTreeLabelProvider labelProvider = new TermTreeLabelProvider();
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@Override
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public int compare(Viewer viewer, Object e1, Object e2) {
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String label1 = "";
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String label2 = "";
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if (e1 instanceof TermNodeDto ){
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if (((TermNodeDto)e1).getTree().isOrderRelevant()){
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return 0;
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}
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}
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if (StringUtils.isBlank(label1)){
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label1 = labelProvider.getText(e1);
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}
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if (StringUtils.isBlank(label2)){
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label2 = labelProvider.getText(e2);
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}
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//compare
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return CdmUtils.Nz(label1).toLowerCase().compareTo(CdmUtils.Nz(label2).toLowerCase());
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}
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}
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