1 /*******************************************************************************
\r
2 * Copyright (c) 2012 Association for Decentralized Information Management in
\r
4 * All rights reserved. This program and the accompanying materials
\r
5 * are made available under the terms of the Eclipse Public License v1.0
\r
6 * which accompanies this distribution, and is available at
\r
7 * http://www.eclipse.org/legal/epl-v10.html
\r
10 * VTT Technical Research Centre of Finland - initial API and implementation
\r
11 *******************************************************************************/
\r
12 package org.simantics.modeling.adapters;
\r
14 import java.util.Collection;
\r
15 import java.util.Collections;
\r
16 import java.util.Map;
\r
18 import org.simantics.db.ReadGraph;
\r
19 import org.simantics.db.Resource;
\r
20 import org.simantics.db.WriteGraph;
\r
21 import org.simantics.db.exception.DatabaseException;
\r
22 import org.simantics.diagram.flag.FlagUtil;
\r
23 import org.simantics.diagram.stubs.DiagramResource;
\r
24 import org.simantics.modeling.adapters.Removers.ValidationResult;
\r
27 * @author Tuukka Lehtonen
\r
29 public class FlagRemover extends ElementRemover {
\r
31 public FlagRemover(Resource flag) {
\r
36 public String canRemove(ReadGraph graph, Map<Object, Object> aux) throws DatabaseException {
\r
37 boolean lifted = FlagUtil.isLifted(graph, resource);
\r
39 ValidationResult result = Removers.validateFlagRemoval(graph, resource);
\r
40 if (result.inUse()) {
\r
41 return Removers.formatError(graph, result);
\r
48 public void remove(WriteGraph graph) throws DatabaseException {
\r
49 FlagUtil.disconnectFlag(graph, resource);
\r
51 DiagramResource DIA = DiagramResource.getInstance(graph);
\r
52 Collection<Resource> connectionRelations = Collections.emptySet();
\r
53 if (FlagUtil.isLifted(graph, resource))
\r
54 connectionRelations = graph.getObjects(resource, DIA.IsLiftedAs);
\r
56 removeElement(graph);
\r
58 if (!connectionRelations.isEmpty()) {
\r
59 for (Resource connectionRelation : connectionRelations) {
\r
60 new ConnectionRelationRemover(connectionRelation).remove(graph);
\r