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[simantics/platform.git] / bundles / org.simantics.browsing.ui.common / src / org / simantics / browsing / ui / common / contributor / FinalRootViewpointContributionContributor.java
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
8  *\r
9  * Contributors:\r
10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.browsing.ui.common.contributor;\r
13 \r
14 import java.util.Collection;\r
15 \r
16 import org.simantics.browsing.ui.BuiltinKeys;\r
17 import org.simantics.browsing.ui.NodeContext;\r
18 import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
19 import org.simantics.browsing.ui.Tester;\r
20 import org.simantics.browsing.ui.BuiltinKeys.ViewpointContributionKey;\r
21 import org.simantics.browsing.ui.common.NodeContextUtil;\r
22 \r
23 /**\r
24  * @author Antti Villberg\r
25  *\r
26  * @param <T> the input type accepted by this contributor\r
27  */\r
28 public abstract class FinalRootViewpointContributionContributor<T> extends AbstractViewpointContributionContributor<T> {\r
29 \r
30     @Override\r
31     public Tester getNodeContextTester() {\r
32         return null;\r
33     }\r
34 \r
35     @SuppressWarnings("unchecked")\r
36     @Override\r
37     public Collection<NodeContext> getContribution(PrimitiveQueryUpdater updater,\r
38             NodeContext context, ViewpointContributionKey key) {\r
39         return NodeContextUtil.toContextCollectionWithInput(getContribution((T)context.getConstant(BuiltinKeys.INPUT)));\r
40     }\r
41 \r
42     abstract public Collection<?> getContribution(T input);\r
43 \r
44 }\r