1 /*******************************************************************************
\r
2 * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
\r
4 * All rights reserved. This program and the accompanying materials
\r
5 * are made available under the terms of the Eclipse Public License v1.0
\r
6 * which accompanies this distribution, and is available at
\r
7 * http://www.eclipse.org/legal/epl-v10.html
\r
10 * VTT Technical Research Centre of Finland - initial API and implementation
\r
11 *******************************************************************************/
\r
12 package org.simantics.charts.ui;
\r
14 import java.util.List;
\r
16 import org.simantics.Simantics;
\r
17 import org.simantics.charts.ontology.ChartResource;
\r
18 import org.simantics.databoard.util.ObjectUtils;
\r
19 import org.simantics.db.ReadGraph;
\r
20 import org.simantics.db.Resource;
\r
21 import org.simantics.db.WriteGraph;
\r
22 import org.simantics.db.common.request.WriteRequest;
\r
23 import org.simantics.db.exception.DatabaseException;
\r
24 import org.simantics.db.layer0.SelectionHints;
\r
25 import org.simantics.db.layer0.adapter.DropActionFactory;
\r
26 import org.simantics.db.layer0.request.PossibleModel;
\r
27 import org.simantics.modeling.ModelingResources;
\r
28 import org.simantics.utils.datastructures.Callback;
\r
29 import org.simantics.utils.ui.ErrorLogger;
\r
30 import org.simantics.utils.ui.ISelectionUtils;
\r
33 * @author Tuukka Lehtonen
\r
35 public class ChartItemDropActionFactory implements DropActionFactory {
\r
38 public Runnable create(ReadGraph g, Object target, Object source, int operation) throws DatabaseException {
\r
39 //System.out.println("DROP: " + source + " -> " + target);
\r
41 final Resource chartItem = ISelectionUtils.getSinglePossibleKey(target, SelectionHints.KEY_MAIN, Resource.class);
\r
42 if (chartItem == null)
\r
44 Resource targetModel = g.syncRequest(new PossibleModel(chartItem));
\r
46 List<Resource> srcs = ISelectionUtils.getPossibleKeys(source, SelectionHints.KEY_MAIN, Resource.class);
\r
47 ModelingResources MOD = ModelingResources.getInstance(g);
\r
49 Resource subscriptionItem = null;
\r
51 for (Resource res : srcs) {
\r
52 if (g.isInstanceOf(res, MOD.Subscription_Item)) {
\r
53 // Too much stuff dropped in one go.
\r
54 if (subscriptionItem != null)
\r
57 Resource model = g.syncRequest(new PossibleModel(res));
\r
58 if (ObjectUtils.objectEquals(targetModel, model)) {
\r
59 subscriptionItem = res;
\r
63 if (subscriptionItem != null)
\r
64 return setSubscriptionItem(chartItem, subscriptionItem);
\r
69 private Runnable setSubscriptionItem(final Resource chartItem, final Resource subscriptionItem) {
\r
70 return new Runnable() {
\r
73 Simantics.getSession().asyncRequest(new WriteRequest() {
\r
75 public void perform(WriteGraph graph) throws DatabaseException {
\r
76 ChartResource CHART = ChartResource.getInstance(graph);
\r
77 graph.deny(chartItem, CHART.Chart_Item_HasSubscriptionItem);
\r
78 graph.claim(chartItem, CHART.Chart_Item_HasSubscriptionItem, subscriptionItem);
\r
80 }, new Callback<DatabaseException>() {
\r
82 public void run(DatabaseException e) {
\r
84 ErrorLogger.defaultLogError(e);
\r