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.browsing.ui.swt;
\r
14 import java.util.Collection;
\r
16 import org.eclipse.swt.graphics.Image;
\r
17 import org.simantics.browsing.ui.BuiltinKeys;
\r
18 import org.simantics.browsing.ui.NodeContext;
\r
19 import org.simantics.browsing.ui.NodeContext.QueryKey;
\r
20 import org.simantics.browsing.ui.NodeQueryManager;
\r
21 import org.simantics.browsing.ui.common.imagers.ImageURLs;
\r
22 import org.simantics.browsing.ui.common.processors.AbstractNodeQueryProcessor;
\r
23 import org.simantics.browsing.ui.content.Imager;
\r
24 import org.simantics.browsing.ui.content.ImagerFactory;
\r
26 public class DefaultSelectedImagerProcessor extends AbstractNodeQueryProcessor<Imager> {
\r
28 public DefaultSelectedImagerProcessor() {
\r
32 public QueryKey<Imager> getIdentifier() {
\r
33 return BuiltinKeys.SELECTED_IMAGER;
\r
37 public Imager query(NodeQueryManager manager, NodeContext context) {
\r
39 Collection<ImagerFactory> imagers = manager.query(context, BuiltinKeys.IMAGER_FACTORIES);
\r
40 if (imagers.isEmpty()) {
\r
42 Imager imager = (Imager) context.getAdapter(Imager.class);
\r
45 ImageURLs urls = (ImageURLs) context.getAdapter(ImageURLs.class);
\r
47 return new ImageURLsImager<Image>(urls);
\r
49 return new NullImager();
\r
53 // TODO: use SelectedLabelerFactory query instead of this educated choice
\r
54 ImagerFactory factory = imagers.iterator().next();
\r
56 return manager.query(context, new BuiltinKeys.ImagerKey(factory));
\r
61 public String toString() {
\r
62 return "SelectedLabelerProcessor";
\r