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.contributor;
14 import java.util.Collection;
15 import java.util.Collections;
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.utils.ReflectionUtils;
27 * @author Antti Villberg
29 * @param <T> the input type accepted by this contributor
31 public abstract class AbstractViewpointContributionContributor<T> implements Contributor<ViewpointContributionFactory> {
33 private final Class<?> clazz;
35 public AbstractViewpointContributionContributor() {
36 clazz = ReflectionUtils.getSingleParameterType(getClass());
39 public AbstractViewpointContributionContributor(Class<?> clazz) {
44 public Class<?> getInputClass() {
49 public ViewpointContributionFactory getFactory() {
51 return new ViewpointContributionFactory() {
54 public ViewpointContribution create(final PrimitiveQueryUpdater updater,
55 final NodeContext context, final ViewpointContributionKey key) {
57 return new ViewpointContribution() {
59 Collection<NodeContext> contribution = Collections.emptySet();
62 public Collection<NodeContext> getContribution() {
64 Collection<NodeContext> current = AbstractViewpointContributionContributor.this.getContribution(updater, context, key);
66 for(NodeContext c : current) updater.incRef(c);
67 for(NodeContext c : contribution) updater.decRef(c);
68 contribution = current;
75 public Class<?> getInputClass() {
80 public Tester getNodeContextTester() {
81 return AbstractViewpointContributionContributor.this.getNodeContextTester();
89 public String getViewpointId() {
90 return AbstractViewpointContributionContributor.this.getViewpointId();
97 abstract public Collection<NodeContext> getContribution(PrimitiveQueryUpdater updater,
98 NodeContext context, ViewpointContributionKey key);
100 abstract public String getViewpointId();