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.content.Viewpoint;
21 import org.simantics.browsing.ui.content.ViewpointFactory;
23 public class DefaultSelectedViewpointProcessor extends AbstractNodeQueryProcessor<Viewpoint> {
26 public QueryKey<Viewpoint> getIdentifier() {
27 return BuiltinKeys.SELECTED_VIEWPOINT;
31 public Viewpoint query(NodeQueryManager manager, NodeContext context) {
32 Collection<ViewpointFactory> factories = manager.query(context, BuiltinKeys.VIEWPOINT_FACTORIES);
33 if (factories.isEmpty())
36 ViewpointFactory selectedFactory = manager.query(context, new BuiltinKeys.SelectedViewpointFactoryKey(factories));
37 if (selectedFactory == null)
40 return manager.query(context, new BuiltinKeys.ViewpointKey(selectedFactory));
44 public String toString() {
45 return "SelectedViewpointProcessor";