]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/DefaultSelectedLabelerProcessor.java
Fixed all line endings of the repository
[simantics/platform.git] / bundles / org.simantics.browsing.ui.common / src / org / simantics / browsing / ui / common / processors / DefaultSelectedLabelerProcessor.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
3  * in Industry THTH ry.
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
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.browsing.ui.common.processors;
13
14 import java.util.Collection;
15
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;
23
24 public class DefaultSelectedLabelerProcessor extends AbstractNodeQueryProcessor<Labeler> {
25
26     @Override
27     public QueryKey<Labeler> getIdentifier() {
28         return BuiltinKeys.SELECTED_LABELER;
29     }
30
31     @Override
32     public Labeler query(NodeQueryManager manager, NodeContext context) {
33         
34         Collection<LabelerFactory> labelers = manager.query(context, BuiltinKeys.LABELER_FACTORIES);
35         if(labelers.isEmpty())
36             return new ToStringLabeler(context);
37
38         // TODO: use SelectedLabelerFactory query instead of this educated choice
39         LabelerFactory factory = labelers.iterator().next();
40
41         return manager.query(context, new BuiltinKeys.LabelerKey(factory));
42         
43     }
44
45     @Override
46     public String toString() {
47         return "SelectedLabelerProcessor";
48     }
49
50 }