1 /*******************************************************************************
2 * Copyright (c) 2010, 2011 Association for Decentralized Information Management in
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.browsing.ui.model.sorters;
16 import org.simantics.browsing.ui.NodeContext;
17 import org.simantics.browsing.ui.common.ColumnKeys;
18 import org.simantics.browsing.ui.model.browsecontexts.BrowseContext;
19 import org.simantics.db.ReadGraph;
20 import org.simantics.db.exception.DatabaseException;
21 import org.simantics.utils.strings.AlphanumComparator;
23 public class AlphanumericSorter extends AbstractSorter<String> {
25 public static final AlphanumericSorter INSTANCE = new AlphanumericSorter();
27 private AlphanumericSorter() {}
30 public String getSortingCriterion(ReadGraph graph, BrowseContext context,
31 NodeContext node) throws DatabaseException {
32 Map<String,String> labels = context.getLabel(graph, node);
33 String label = labels.get(ColumnKeys.SINGLE);
35 return labels.isEmpty() ? "" : labels.values().iterator().next();
41 public int compare(String a, String b) {
42 return AlphanumComparator.CASE_INSENSITIVE_COMPARATOR.compare(a, b);