1 /*******************************************************************************
\r
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
\r
3 * in Industry THTH ry.
\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.ui.modelBrowser.model;
\r
14 import java.util.Collection;
\r
15 import java.util.Collections;
\r
17 import org.eclipse.jface.resource.ImageDescriptor;
\r
18 import org.eclipse.jface.viewers.ISelection;
\r
19 import org.simantics.browsing.ui.content.Labeler.Modifier;
\r
20 import org.simantics.db.ReadGraph;
\r
21 import org.simantics.db.Resource;
\r
22 import org.simantics.db.Session;
\r
23 import org.simantics.db.WriteGraph;
\r
24 import org.simantics.db.exception.DatabaseException;
\r
25 import org.simantics.layer0.Layer0;
\r
26 import org.simantics.modeling.ui.Activator;
\r
29 public class Connection implements INode {
\r
32 Resource sourceRelation;
\r
34 Resource targetRelation;
\r
35 Resource connection;
\r
37 public Connection(Resource connection, Resource source,
\r
38 Resource sourceRelation, Resource target, Resource targetRelation) {
\r
39 this.connection = connection;
\r
40 this.source = source;
\r
41 this.sourceRelation = sourceRelation;
\r
42 this.target = target;
\r
43 this.targetRelation = targetRelation;
\r
47 public Collection<?> getChildren(ReadGraph g) {
\r
48 return Collections.EMPTY_LIST;
\r
52 public ImageDescriptor getImage(ReadGraph g) {
\r
53 if(connection == null)
\r
54 return Activator.ARROW_LEFT_ICON;
\r
56 return Activator.CONNECTION_ICON;
\r
60 public String getLabel(ReadGraph g) throws DatabaseException {
\r
62 Layer0 b = Layer0.getInstance(g);
\r
64 String targetName = g.getPossibleRelatedValue(target, b.HasName);
\r
65 if(targetName == null)
\r
68 String relationName = g.getPossibleRelatedValue(targetRelation, b.HasName);
\r
69 if(relationName == null)
\r
72 return targetName + "." + relationName;
\r
76 public int getCategory(ReadGraph graph) {
\r
81 public void handleDrop(Session session, ISelection selection) {
\r
85 public void handleDelete(WriteGraph graph) throws DatabaseException {
\r
89 public boolean hasChildren(ReadGraph g) {
\r
94 public Object getAdapter(Class adapter) {
\r
95 if(adapter.isAssignableFrom(Resource.class))
\r
101 public Modifier getModifier(Session session, String columnId) {
\r