+/*******************************************************************************\r
+ * Copyright (c) 2010, 2011 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.browsing.ui.model.sorters;\r
+\r
+import java.util.Map;\r
+\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.browsing.ui.common.ColumnKeys;\r
+import org.simantics.browsing.ui.model.browsecontexts.BrowseContext;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.utils.strings.AlphanumComparator;\r
+\r
+public class AlphanumericSorter extends AbstractSorter<String> {\r
+\r
+ public static final AlphanumericSorter INSTANCE = new AlphanumericSorter();\r
+ \r
+ private AlphanumericSorter() {}\r
+ \r
+ @Override\r
+ public String getSortingCriterion(ReadGraph graph, BrowseContext context,\r
+ NodeContext node) throws DatabaseException {\r
+ Map<String,String> labels = context.getLabel(graph, node);\r
+ String label = labels.get(ColumnKeys.SINGLE);\r
+ if(label == null)\r
+ return labels.isEmpty() ? "" : labels.values().iterator().next();\r
+ else\r
+ return label;\r
+ }\r
+\r
+ @Override\r
+ public int compare(String a, String b) {\r
+ return AlphanumComparator.CASE_INSENSITIVE_COMPARATOR.compare(a, b);\r
+ }\r
+\r
+}\r