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.HashSet;
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18 import java.util.List;
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19 import java.util.Set;
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21 import org.simantics.charts.ontology.ChartResource;
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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.utils.ui.dialogs.ShowError;
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37 * @author Tuukka Lehtonen
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39 public class ChartGroupPasteHandler extends PasteHandlerAdapter {
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41 private Resource chartGroup;
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43 public ChartGroupPasteHandler(Resource chartGroup) {
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44 this.chartGroup = chartGroup;
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48 public Collection<Resource> pasteFromClipboard(WriteGraph graph, SimanticsClipboard clipboard, PasteEventHandler handler) throws DatabaseException {
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49 final List<Set<Representation>> copied = new ArrayList<>();
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50 final List<Resource> cut = new ArrayList<>();
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51 for (Set<Representation> object : clipboard.getContents()) {
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52 Collection<Resource> rs = ClipboardUtils.accept(object, SimanticsKeys.KEY_COPY_RESOURCES);
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56 rs = ClipboardUtils.accept(object, SimanticsKeys.KEY_CUT_RESOURCES);
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62 if (copied.isEmpty() && cut.isEmpty())
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63 return Collections.emptyList();
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65 return graph.syncRequest(new WriteResultRequest<Collection<Resource>>() {
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67 public Collection<Resource> perform(WriteGraph graph) throws DatabaseException {
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69 ChartResource CHART = ChartResource.getInstance(graph);
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71 Resource expectedModel = graph.syncRequest( new PossibleModel(chartGroup) );
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72 if (!copied.isEmpty()) {
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73 Set<Set<Representation>> sources = new HashSet<>();
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74 for (Set<Representation> r : copied) {
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75 Collection<Resource> srcs = ClipboardUtils.accept(r, SimanticsKeys.KEY_COPY_RESOURCES);
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76 for(Resource src : srcs) {
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77 if (graph.isInstanceOf(src, CHART.Chart)) {
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78 Resource model = graph.syncRequest(new PossibleModel(src));
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79 if (ObjectUtils.objectEquals(expectedModel, model)) {
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85 return ChartGroupDropActionFactory.copyChartsRequest(chartGroup, sources).perform(graph);
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86 } else if (!cut.isEmpty()) {
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87 Set<Resource> sources = new HashSet<>();
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88 for (Resource r : cut) {
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89 if (graph.isInstanceOf(r, CHART.Chart)) {
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90 Resource model = graph.syncRequest(new PossibleModel(r));
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91 if (ObjectUtils.objectEquals(expectedModel, model))
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95 String error = ChartGroupDropActionFactory.validateDrop(graph, chartGroup, sources);
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96 if (error != null) {
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97 ShowError.showError("Cut Failed", error, (Throwable) null);
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98 return Collections.emptyList();
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100 return ChartGroupDropActionFactory.moveChartsRequest(chartGroup, sources).perform(graph);
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103 return Collections.emptyList();
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109 @SuppressWarnings("rawtypes")
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111 public Object getAdapter(Class adapter) {
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112 if (Resource.class == adapter)
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