EDIT

// $Id$

/**

* Copyright (C) 2018 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.editor.definedterm;

import org.eclipse.jface.viewers.Viewer;

import org.eclipse.jface.viewers.ViewerSorter;

import eu.etaxonomy.cdm.model.common.OrderedTermBase;

/**

 * @author pplitzner

 * @date 13.02.2018

 *

 */

public class DefinedTermSorter extends ViewerSorter {

    @Override

    public int compare(Viewer viewer, Object e1, Object e2) {

        // the comparison value in this method determines the

        // location <-> add term method used in the MoveDefinedTermOperation

        // execute call

        if(e1 instanceof OrderedTermBase && e2 instanceof OrderedTermBase) {

            OrderedTermBase otbe1 = (OrderedTermBase)e1;

            OrderedTermBase otbe2 = (OrderedTermBase)e2;

            if(otbe1.getOrderIndex() == otbe2.getOrderIndex()) {

                return 0;

            } else if (otbe1.getOrderIndex() < otbe2.getOrderIndex()){

                return -1;

            } else{

                return 1;

            }

        } else {

            return super.compare(viewer, e1, e2);

        }

    }

}

import eu.etaxonomy.taxeditor.editor.definedterm.DefinedTermSorter;

import eu.etaxonomy.taxeditor.editor.definedterm.DefinedTermSorter;

import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;

	      viewer.getControl().setLayoutData(LayoutConstants.FILL());

	        viewer.setContentProvider(new TermContentProvider());

	        viewer.setLabelProvider(new TermLabelProvider());

	        viewer.setSorter(new DefinedTermSorter());