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.diagram.adapter;
14 import org.simantics.db.Resource;
15 import org.simantics.db.WriteGraph;
16 import org.simantics.db.exception.ManyObjectsForFunctionalRelationException;
17 import org.simantics.db.exception.ServiceException;
18 import org.simantics.diagram.stubs.DiagramResource;
19 import org.simantics.diagram.synchronization.graph.ElementWriter;
20 import org.simantics.g2d.element.ElementUtils;
21 import org.simantics.g2d.element.IElement;
24 * ElementWriter for TextElements
26 * This inserts '[empty]' as default string. Without this, There is no way to edit
27 * the text using PropertyPage, and with empty string its difficult to spot the text element.
30 * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
33 public class TextElementWriter implements ElementWriter {
36 public void addToGraph(WriteGraph g, IElement element, Resource elementResource) throws ManyObjectsForFunctionalRelationException, ServiceException {
37 DiagramResource dr = DiagramResource.getInstance(g);
38 if (g.getPossibleRelatedValue(elementResource, dr.HasText) == null) {
39 String text = ElementUtils.getText(element);
42 g.claimLiteral(elementResource,dr.HasText, text);
47 public void removeFromGraph(WriteGraph g, Resource elementResource) {