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.browsing.ui.graph.impl;
14 import java.util.ArrayList;
15 import java.util.Collection;
16 import java.util.List;
19 import org.simantics.browsing.ui.common.modifiers.EnumeratedValue;
20 import org.simantics.browsing.ui.common.modifiers.Enumeration;
21 import org.simantics.db.ReadGraph;
22 import org.simantics.db.Resource;
23 import org.simantics.db.common.request.ResourceRead;
24 import org.simantics.db.common.utils.NameUtils;
25 import org.simantics.db.exception.AdaptionException;
26 import org.simantics.db.exception.DatabaseException;
27 import org.simantics.layer0.Layer0;
30 * @author Tuukka Lehtonen
32 public class GetEnumeration extends ResourceRead<Enumeration<Resource>> {
34 public GetEnumeration(Resource resource) {
39 public Enumeration<Resource> perform(ReadGraph graph) throws DatabaseException {
40 return enumerate(graph, resource);
43 public static Enumeration<Resource> enumerate(ReadGraph graph, Resource resource) throws DatabaseException {
44 Layer0 l0 = Layer0.getInstance(graph);
45 Set<Resource> types = graph.getTypes(resource);
47 // FIXME: this is a hack to make boolean values editable through a combo-box like other enumerations
48 if (types.contains(l0.Boolean) || types.contains(l0.BooleanArray)) {
49 List<EnumeratedValue<Resource>> values = new ArrayList<EnumeratedValue<Resource>>(2);
50 values.add(new EnumeratedValue<Resource>(Boolean.FALSE.toString(), l0.False));
51 values.add(new EnumeratedValue<Resource>(Boolean.TRUE.toString(), l0.True));
52 return new Enumeration<Resource>(values);
54 for (Resource type : types) {
55 if (graph.hasStatement(type, l0.Enumeration, type)) {
56 Collection<Resource> values = graph.getObjects(type, l0.ConsistsOf);
57 List<EnumeratedValue<Resource>> result = new ArrayList<EnumeratedValue<Resource>>(values.size());
58 for (Resource value : values) {
59 result.add(new EnumeratedValue<Resource>(safeName(graph, value), value));
61 return new Enumeration<Resource>(result);
68 private static String safeName(ReadGraph graph, Resource value) throws DatabaseException {
69 return graph.syncRequest(new NameRequest(value));
72 public static class NameRequest extends ResourceRead<String> {
73 public NameRequest(Resource resource) {
77 public String perform(ReadGraph graph) throws DatabaseException {
79 return graph.adapt(resource, String.class);
80 } catch (AdaptionException e) {
81 return NameUtils.getSafeName(graph, resource);