1 /*******************************************************************************
2 * Copyright (c) 2007, 2011 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.model.modifiers;
14 import org.simantics.browsing.ui.common.ColumnKeys;
15 import org.simantics.browsing.ui.common.ErrorLogger;
16 import org.simantics.browsing.ui.content.Labeler.Modifier;
17 import org.simantics.db.ReadGraph;
18 import org.simantics.db.Resource;
19 import org.simantics.db.Session;
20 import org.simantics.db.Statement;
21 import org.simantics.db.WriteGraph;
22 import org.simantics.db.common.request.WriteRequest;
23 import org.simantics.db.exception.DatabaseException;
24 import org.simantics.db.layer0.adapter.StringModifier;
25 import org.simantics.db.layer0.adapter.StringModifierFactory;
26 import org.simantics.db.layer0.util.Layer0Utils;
29 * @author Tuukka Lehtonen
31 public class StringPropertyModifierRule implements ModifierRule {
33 private Resource propertyRelation;
35 public StringPropertyModifierRule(ReadGraph graph, String propertyRelationURI) throws DatabaseException {
36 this.propertyRelation = graph.getResource(propertyRelationURI);
40 public boolean isCompatible(Class<?> contentType) {
41 return contentType.equals(Resource.class);
45 public Modifier getModifier(ReadGraph graph, Object content,
46 String columnKey) throws DatabaseException {
47 if(!ColumnKeys.SINGLE.equals(columnKey))
49 if(!(content instanceof Resource))
52 Resource resource = (Resource)content;
53 final Statement nameStm = graph.getPossibleStatement(resource, propertyRelation);
57 StringModifierFactory smf = graph.getPossibleAdapter(resource, StringModifierFactory.class);
59 final StringModifier sm = smf.createModifier(graph, propertyRelation, nameStm.getObject());
61 return modifierFor(graph.getSession(), sm, nameStm.getObject());
64 return new L0StringModifier(graph.getSession(), resource, propertyRelation, nameStm.getObject());
67 private Modifier modifierFor(final Session session, final StringModifier sm, final Resource valueResource) {
68 return new Modifier() {
70 public String getValue() {
74 public String isValid(String label) {
75 return sm.isValid(label);
78 public void modify(final String label) {
79 session.asyncRequest(new WriteRequest() {
81 public void perform(WriteGraph graph) throws DatabaseException {
82 Layer0Utils.addCommentMetadata(graph, "Modify string");
83 graph.markUndoPoint();
84 sm.modify(graph, label);
86 }, e -> { if (e != null) ErrorLogger.defaultLogError(e); });