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.synchronization.graph;
14 import org.simantics.db.Resource;
15 import org.simantics.db.WriteGraph;
16 import org.simantics.db.exception.DatabaseException;
17 import org.simantics.diagram.synchronization.ISynchronizationContext;
18 import org.simantics.diagram.synchronization.ModificationAdapter;
19 import org.simantics.diagram.ui.DiagramModelHints;
20 import org.simantics.g2d.diagram.DiagramHints;
21 import org.simantics.g2d.diagram.DiagramMutator;
22 import org.simantics.g2d.diagram.IDiagram;
23 import org.simantics.g2d.element.ElementHints;
24 import org.simantics.g2d.element.IElement;
25 import org.simantics.structural2.modelingRules.ConnectionJudgement;
26 import org.simantics.structural2.modelingRules.IModelingRules;
29 * @author Tuukka Lehtonen
31 public class SetConnectionType extends ModificationAdapter {
33 ISynchronizationContext context;
37 public SetConnectionType(ISynchronizationContext context, IDiagram diagram, IElement element) {
38 super(SET_CONNECTION_TYPE_PRIORITY);
39 this.context = context;
40 this.diagram = diagram;
41 this.element = element;
44 Resource getDesiredConnectionType(IElement e) {
45 Object obj = e.getHint(ElementHints.KEY_CONNECTION_TYPE);
46 if (obj instanceof Resource)
47 return (Resource) obj;
48 if (obj instanceof ConnectionJudgement) {
49 ConnectionJudgement judgement = (ConnectionJudgement) obj;
50 return judgement.connectionType;
56 public void perform(WriteGraph graph) throws DatabaseException {
57 DiagramMutator mutator = diagram.getHint(DiagramHints.KEY_MUTATOR);
58 IModelingRules modelingRules = diagram.getHint(DiagramModelHints.KEY_MODELING_RULES);
60 Resource connection = mutator.backendObject(element);
61 Resource connectionType = getDesiredConnectionType(element);
63 if (connectionType != null && modelingRules != null) {
64 modelingRules.setConnectionType(graph, connection, connectionType);