1 /*******************************************************************************
2 * Copyright (c) 2007, 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.charts.ui;
14 import java.util.Collections;
15 import java.util.Comparator;
16 import java.util.List;
18 import org.simantics.browsing.ui.BuiltinKeys;
19 import org.simantics.browsing.ui.NodeContext;
20 import org.simantics.browsing.ui.model.browsecontexts.BrowseContext;
21 import org.simantics.browsing.ui.model.sorters.Sorter;
22 import org.simantics.browsing.ui.model.sorters.SorterRule;
23 import org.simantics.charts.query.TrendItemQuery;
24 import org.simantics.db.ReadGraph;
25 import org.simantics.db.Resource;
26 import org.simantics.db.exception.DatabaseException;
27 import org.simantics.db.exception.RuntimeDatabaseException;
28 import org.simantics.trend.configuration.TrendItem;
30 public class ChartSorterRule implements SorterRule, Sorter {
33 public boolean isCompatible(Class<?> contentType) {
34 return contentType.equals(Resource.class);
38 public Sorter getSorter(ReadGraph graph, Object content) throws DatabaseException {
43 public void sort(ReadGraph graph, BrowseContext context, List<NodeContext> nodes) throws DatabaseException
46 ChartItemComparator cic = new ChartItemComparator();
48 Collections.sort(nodes, cic);
49 } catch (RuntimeDatabaseException e) {
50 if (e.getCause()!=null && e.getCause() instanceof DatabaseException) throw (DatabaseException) e.getCause();
56 static class ChartItemComparator implements Comparator<NodeContext> {
60 public int compare(NodeContext nc1, NodeContext nc2) {
61 Resource r1 = (Resource) nc1.getConstant(BuiltinKeys.INPUT);
62 Resource r2 = (Resource) nc2.getConstant(BuiltinKeys.INPUT);
65 TrendItem ti1 = graph.sync( new TrendItemQuery(r1) );
66 TrendItem ti2 = graph.sync( new TrendItemQuery(r2) );
67 return ti1.compareTo(ti2);
68 } catch (DatabaseException e) {
69 throw new RuntimeDatabaseException(e);