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.BuiltinKeys.ViewpointContributionKey;
18 import org.simantics.browsing.ui.NodeContext;
19 import org.simantics.browsing.ui.PrimitiveQueryUpdater;
20 import org.simantics.browsing.ui.Tester;
21 import org.simantics.browsing.ui.content.Contributor;
22 import org.simantics.browsing.ui.content.ViewpointContribution;
23 import org.simantics.browsing.ui.content.ViewpointContributionFactory;
24 import org.simantics.browsing.ui.graph.impl.contribution.ViewpointContributionImpl;
25 import org.simantics.db.ReadGraph;
26 import org.simantics.db.exception.DatabaseException;
27 import org.simantics.layer0.Layer0;
28 import org.simantics.utils.ReflectionUtils;
30 abstract public class ContextOutputViewpointContributorImpl<T> implements Contributor<ViewpointContributionFactory> {
32 abstract public Collection<NodeContext> getContribution(ReadGraph graph, T input) throws DatabaseException;
34 final private Class<?> clazz;
37 public String getViewpointId() {
42 public Tester getNodeContextTester() {
46 public ContextOutputViewpointContributorImpl() {
47 clazz = ReflectionUtils.getSingleParameterType(getClass());
50 public ContextOutputViewpointContributorImpl(Class<?> clazz) {
55 public ViewpointContributionFactory getFactory() {
57 return new ViewpointContributionFactory() {
60 public String getViewpointId() {
61 return ContextOutputViewpointContributorImpl.this.getViewpointId();
65 public ViewpointContribution create(final PrimitiveQueryUpdater updater, NodeContext context, final ViewpointContributionKey key) {
67 return new ViewpointContributionImpl(updater, context, key) {
69 @SuppressWarnings("unchecked")
71 public Collection<NodeContext> children(ReadGraph graph, NodeContext context) throws DatabaseException {
73 T input = (T)context.getConstant(BuiltinKeys.INPUT);
74 b = Layer0.getInstance(graph);
75 return ContextOutputViewpointContributorImpl.this.getContribution(graph, input);
80 public Tester getNodeContextTester() {
81 return ContextOutputViewpointContributorImpl.this.getNodeContextTester();
85 public Class<?> getInputClass() {
86 return ContextOutputViewpointContributorImpl.this.getInputClass();
98 public Class<?> getInputClass() {