Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.model / src / org / simantics / browsing / ui / model / sorters / AlphanumericSorter.java

diff --git a/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/sorters/AlphanumericSorter.java b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/sorters/AlphanumericSorter.java
new file mode 100644 (file)
index 0000000..798c489
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.model/src/org/simantics/browsing/ui/model/sorters/AlphanumericSorter.java
@@ -0,0 +1,45 @@
+/*******************************************************************************\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