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