1 /*******************************************************************************
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2 * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.charts.ui;
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14 import java.util.Collections;
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15 import java.util.Comparator;
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16 import java.util.List;
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18 import org.simantics.browsing.ui.BuiltinKeys;
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19 import org.simantics.browsing.ui.NodeContext;
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20 import org.simantics.browsing.ui.model.browsecontexts.BrowseContext;
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21 import org.simantics.browsing.ui.model.sorters.Sorter;
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22 import org.simantics.browsing.ui.model.sorters.SorterRule;
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23 import org.simantics.charts.query.TrendItemQuery;
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24 import org.simantics.db.ReadGraph;
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25 import org.simantics.db.Resource;
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26 import org.simantics.db.exception.DatabaseException;
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27 import org.simantics.db.exception.RuntimeDatabaseException;
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28 import org.simantics.trend.configuration.TrendItem;
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30 public class ChartSorterRule implements SorterRule, Sorter {
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33 public boolean isCompatible(Class<?> contentType) {
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34 return contentType.equals(Resource.class);
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38 public Sorter getSorter(ReadGraph graph, Object content) throws DatabaseException {
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43 public void sort(ReadGraph graph, BrowseContext context, List<NodeContext> nodes) throws DatabaseException
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46 ChartItemComparator cic = new ChartItemComparator();
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48 Collections.sort(nodes, cic);
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49 } catch (RuntimeDatabaseException e) {
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50 if (e.getCause()!=null && e.getCause() instanceof DatabaseException) throw (DatabaseException) e.getCause();
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56 static class ChartItemComparator implements Comparator<NodeContext> {
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60 public int compare(NodeContext nc1, NodeContext nc2) {
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61 Resource r1 = (Resource) nc1.getConstant(BuiltinKeys.INPUT);
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62 Resource r2 = (Resource) nc2.getConstant(BuiltinKeys.INPUT);
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65 TrendItem ti1 = graph.sync( new TrendItemQuery(r1) );
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66 TrendItem ti2 = graph.sync( new TrendItemQuery(r2) );
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67 return ti1.compareTo(ti2);
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68 } catch (DatabaseException e) {
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69 throw new RuntimeDatabaseException(e);
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