1 /*******************************************************************************
2 * Copyright (c) 2019 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 * Semantum Oy - initial API and implementation, gitlab #399
11 *******************************************************************************/
12 package org.simantics.modeling.ui.diagramEditor;
14 import org.simantics.db.Resource;
15 import org.simantics.db.common.procedure.adapter.DisposableListener;
16 import org.simantics.diagram.ui.DiagramModelHints;
17 import org.simantics.g2d.diagram.IDiagram;
18 import org.simantics.g2d.element.ElementUtils;
19 import org.simantics.utils.DataContainer;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
24 * @author Tuukka Lehtonen
25 * @since 1.41.0, 1.35.2
28 class HasDiagramSourceListener extends DisposableListener<Resource> {
30 private static final Logger LOGGER = LoggerFactory.getLogger(HasDiagramSourceListener.class);
32 private DataContainer<IDiagram> diagramContainer;
34 public HasDiagramSourceListener(DataContainer<IDiagram> diagramContainer) {
35 this.diagramContainer = diagramContainer;
39 public void execute(Resource source) {
40 DataContainer<IDiagram> c = diagramContainer;
41 IDiagram d = c != null ? diagramContainer.get() : null;
43 ElementUtils.setOrRemoveHint(d, DiagramModelHints.KEY_HAS_DIAGRAM_SOURCE, source);
48 public void exception(Throwable t) {
49 LOGGER.error("Received unexpected exception", t);
53 public void dispose() {
55 diagramContainer = null;