1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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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.ArrayList;
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15 import java.util.Collection;
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16 import java.util.Collections;
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17 import java.util.List;
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18 import java.util.Set;
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20 import org.simantics.charts.query.AddChartItem;
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21 import org.simantics.charts.query.ChartItemDescriptor;
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22 import org.simantics.databoard.util.ObjectUtils;
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23 import org.simantics.db.Resource;
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24 import org.simantics.db.WriteGraph;
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25 import org.simantics.db.common.request.WriteResultRequest;
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26 import org.simantics.db.exception.DatabaseException;
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27 import org.simantics.db.layer0.adapter.PasteHandlerAdapter;
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28 import org.simantics.db.layer0.request.PossibleModel;
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29 import org.simantics.db.layer0.util.ClipboardUtils;
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30 import org.simantics.db.layer0.util.PasteEventHandler;
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31 import org.simantics.db.layer0.util.SimanticsClipboard;
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32 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
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33 import org.simantics.db.layer0.util.SimanticsKeys;
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34 import org.simantics.modeling.ModelingResources;
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37 * Paste handler of Paste Resource
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39 * @author Tuukka Lehtonen
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41 public class ChartPasteHandler extends PasteHandlerAdapter {
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43 private Resource chart;
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45 public ChartPasteHandler(Resource chart) {
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50 public Collection<Resource> pasteFromClipboard(WriteGraph graph, SimanticsClipboard clipboard, PasteEventHandler handler) throws DatabaseException {
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51 final List<Resource> resources = new ArrayList<Resource>();
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52 for (Set<Representation> object : clipboard.getContents()) {
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53 Collection<Resource> rs = ClipboardUtils.accept(object, SimanticsKeys.KEY_COPY_RESOURCES);
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55 resources.addAll(rs);
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58 if (resources.isEmpty())
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59 return Collections.emptyList();
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61 return graph.syncRequest(new WriteResultRequest<Collection<Resource>>() {
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63 public Collection<Resource> perform(WriteGraph graph) throws DatabaseException {
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64 ModelingResources MOD = ModelingResources.getInstance(graph);
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65 Resource expectedModel = graph.syncRequest( new PossibleModel(chart) );
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66 List<ChartItemDescriptor> refs = new ArrayList<ChartItemDescriptor>();
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67 for (Resource r : resources) {
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68 if (graph.isInstanceOf(r, MOD.Subscription_Item)) {
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69 Resource model = graph.syncRequest(new PossibleModel(r));
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70 if (ObjectUtils.objectEquals(expectedModel, model))
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71 refs.add( AddChartItem.createDescriptor(graph, r) );
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74 if (!refs.isEmpty())
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75 return AddChartItem.addAndMoveChartItems(chart, refs, Collections.<Resource>emptySet()).perform(graph);
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77 return Collections.emptyList();
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82 @SuppressWarnings("rawtypes")
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84 public Object getAdapter(Class adapter) {
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85 if (Resource.class == adapter)
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