1 /*******************************************************************************
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2 * Copyright (c) 2007, 2012 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.editor;
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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.eclipse.core.runtime.IStatus;
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21 import org.eclipse.core.runtime.Status;
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22 import org.simantics.Simantics;
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23 import org.simantics.charts.Activator;
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24 import org.simantics.charts.query.AddChartItem;
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25 import org.simantics.charts.query.ChartItemDescriptor;
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26 import org.simantics.databoard.util.ObjectUtils;
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27 import org.simantics.db.Resource;
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28 import org.simantics.db.WriteGraph;
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29 import org.simantics.db.common.request.WriteRequest;
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30 import org.simantics.db.exception.DatabaseException;
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31 import org.simantics.db.layer0.request.PossibleModel;
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32 import org.simantics.db.layer0.util.ClipboardUtils;
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33 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
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34 import org.simantics.db.layer0.util.SimanticsKeys;
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35 import org.simantics.g2d.canvas.ICanvasParticipant;
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36 import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;
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37 import org.simantics.modeling.ModelingResources;
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38 import org.simantics.scenegraph.g2d.events.EventHandlerReflection.EventHandler;
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39 import org.simantics.scenegraph.g2d.events.command.CommandEvent;
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40 import org.simantics.scenegraph.g2d.events.command.Commands;
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43 * Handles paste to TimeSeriesEditor
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45 * @author toni.kalajainen
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47 public class ChartPasteHandler2 extends AbstractCanvasParticipant implements ICanvasParticipant {
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49 private Resource chart;
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51 public ChartPasteHandler2(Resource chart) {
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55 @EventHandler(priority = 0)
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56 public boolean handleCommandEvent(CommandEvent e) {
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58 if (e.command == Commands.PASTE) {
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60 final List<Resource> resources = new ArrayList<Resource>();
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61 for (Set<Representation> object : Simantics.getClipboard().getContents()) {
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62 Collection<Resource> rs;
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64 rs = ClipboardUtils.accept(object, SimanticsKeys.KEY_COPY_RESOURCES);
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66 resources.addAll(rs);
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67 } catch (DatabaseException ex) {
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68 Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID,
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69 "Failed to retrieve clipboard contents.", ex));
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73 if (resources.isEmpty())
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76 Simantics.getSession().asyncRequest(new WriteRequest() {
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78 public void perform(WriteGraph graph) throws DatabaseException {
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79 Resource expectedModel = graph.syncRequest(new PossibleModel(chart));
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80 if (expectedModel == null || chart == null)
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82 ModelingResources MOD = ModelingResources.getInstance(graph);
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83 List<ChartItemDescriptor> refs = new ArrayList<ChartItemDescriptor>();
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84 for (Resource r : resources) {
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85 if (graph.isInstanceOf(r, MOD.Subscription_Item)) {
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86 Resource model = graph.syncRequest(new PossibleModel(r));
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87 if (ObjectUtils.objectEquals(expectedModel, model))
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88 refs.add(AddChartItem.createDescriptor(graph, r));
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92 if (!refs.isEmpty()) {
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93 AddChartItem.addAndMoveChartItems(chart, refs, Collections.<Resource> emptySet())
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