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.graph.impl.contributor.viewpoint;
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.PrimitiveQueryUpdater;
19 import org.simantics.browsing.ui.Tester;
20 import org.simantics.browsing.ui.BuiltinKeys.ViewpointContributionKey;
21 import org.simantics.browsing.ui.common.NodeContextUtil;
22 import org.simantics.browsing.ui.content.Contributor;
23 import org.simantics.browsing.ui.content.ViewpointContribution;
24 import org.simantics.browsing.ui.content.ViewpointContributionFactory;
25 import org.simantics.browsing.ui.graph.impl.contribution.FinalViewpointContributionImpl;
26 import org.simantics.db.ReadGraph;
27 import org.simantics.db.exception.DatabaseException;
28 import org.simantics.utils.ReflectionUtils;
30 abstract public class FinalViewpointContributorImpl<T> implements Contributor<ViewpointContributionFactory> {
32 abstract public Collection<?> getContribution(ReadGraph graph, T input);
34 abstract public String getViewpointId();
36 final private Class<?> clazz;
39 public Tester getNodeContextTester() {
43 public FinalViewpointContributorImpl() {
44 clazz = ReflectionUtils.getSingleParameterType(getClass());
47 public FinalViewpointContributorImpl(Class<?> clazz) {
52 public ViewpointContributionFactory getFactory() {
54 return new ViewpointContributionFactory() {
57 public String getViewpointId() {
58 return FinalViewpointContributorImpl.this.getViewpointId();
62 public ViewpointContribution create(final PrimitiveQueryUpdater updater, NodeContext context, final ViewpointContributionKey key) {
64 return new FinalViewpointContributionImpl(updater, context, key) {
66 @SuppressWarnings("unchecked")
68 public Collection<NodeContext> children(ReadGraph graph, NodeContext context) throws DatabaseException {
70 T input = (T)context.getConstant(BuiltinKeys.INPUT);
71 return NodeContextUtil.toContextCollectionWithInput(FinalViewpointContributorImpl.this.getContribution(graph, input));
76 public Tester getNodeContextTester() {
77 return FinalViewpointContributorImpl.this.getNodeContextTester();
81 public Class<?> getInputClass() {
82 return FinalViewpointContributorImpl.this.getInputClass();
94 public Class<?> getInputClass() {