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.structural.ui.modelBrowser;
14 import java.util.ArrayList;
15 import java.util.Collections;
18 import org.eclipse.swt.widgets.Composite;
19 import org.simantics.Simantics;
20 import org.simantics.browsing.ui.NodeContext;
21 import org.simantics.browsing.ui.common.ErrorLogger;
22 import org.simantics.browsing.ui.model.InvalidContribution;
23 import org.simantics.browsing.ui.model.dnd.DndBrowseContext;
24 import org.simantics.db.ReadGraph;
25 import org.simantics.db.Resource;
26 import org.simantics.db.common.request.ReadRequest;
27 import org.simantics.db.exception.DatabaseException;
28 import org.simantics.db.procedure.Procedure;
29 import org.simantics.db.request.Read;
30 import org.simantics.project.ontology.ProjectResource;
33 * @author Hannu Niemistö
35 public class ModelBrowser2 extends ModelBrowser {
37 final static public Set<String> defaultBrowseContexts = Collections.singleton(ProjectResource.URIs.ProjectBrowseContext);
38 volatile DndBrowseContext dndBrowseContext;
40 public ModelBrowser2() {
41 // As long as these are not useful, don't shown them by default.
42 this.hideComparatorSelector = true;
43 this.hideViewpointSelector = true;
45 Simantics.getSession().asyncRequest(new ReadRequest() {
47 public void run(ReadGraph graph) throws DatabaseException {
48 ArrayList<Resource> browseContexts = new ArrayList<Resource>();
49 for (String uri : getBrowseContexts()) {
50 Resource browseContext = graph.getPossibleResource(uri);
51 if (browseContext != null)
52 browseContexts.add(browseContext);
55 dndBrowseContext = DndBrowseContext.create(graph, browseContexts);
56 } catch (InvalidContribution e) {
57 ErrorLogger.defaultLogError(e);
64 public void createPartControl(Composite parent) {
65 this.propertyBrowseContexts = loadBrowseContexts(getBrowseContexts());
66 super.createPartControl(parent);
70 protected Set<String> getBrowseContexts() {
71 return defaultBrowseContexts;
75 protected void handleDrop(final Object data, final NodeContext target) {
79 Simantics.getSession().asyncRequest(new Read<Runnable>() {
81 public Runnable perform(ReadGraph graph) throws DatabaseException {
82 if (dndBrowseContext == null)
84 return dndBrowseContext.getAction(graph, target, data);
86 }, new Procedure<Runnable>() {
88 public void execute(Runnable result) {
94 public void exception(Throwable t) {
95 ErrorLogger.defaultLogError(t);
100 protected DndBrowseContext getDndBrowseContext() {
101 return dndBrowseContext;