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.browsing.ui.common.processors;
14 import java.util.Collection;
16 import org.simantics.browsing.ui.BuiltinKeys;
17 import org.simantics.browsing.ui.NodeContext;
18 import org.simantics.browsing.ui.NodeQueryManager;
19 import org.simantics.browsing.ui.NodeContext.QueryKey;
20 import org.simantics.browsing.ui.common.labelers.ToStringLabeler;
21 import org.simantics.browsing.ui.content.Labeler;
22 import org.simantics.browsing.ui.content.LabelerFactory;
24 public class DefaultSelectedLabelerProcessor extends AbstractNodeQueryProcessor<Labeler> {
27 public QueryKey<Labeler> getIdentifier() {
28 return BuiltinKeys.SELECTED_LABELER;
32 public Labeler query(NodeQueryManager manager, NodeContext context) {
34 Collection<LabelerFactory> labelers = manager.query(context, BuiltinKeys.LABELER_FACTORIES);
35 if(labelers.isEmpty())
36 return new ToStringLabeler(context);
38 // TODO: use SelectedLabelerFactory query instead of this educated choice
39 LabelerFactory factory = labelers.iterator().next();
41 return manager.query(context, new BuiltinKeys.LabelerKey(factory));
46 public String toString() {
47 return "SelectedLabelerProcessor";