bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/contributor/viewpoint/ContextInputOutputFinalViewpointContributorImpl.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   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
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.browsing.ui.graph.impl.contributor.viewpoint;
  13
  14 import java.util.Collection;
  15
  16 import org.simantics.browsing.ui.NodeContext;
  17 import org.simantics.browsing.ui.PrimitiveQueryUpdater;
  18 import org.simantics.browsing.ui.Tester;
  19 import org.simantics.browsing.ui.BuiltinKeys.ViewpointContributionKey;
  20 import org.simantics.browsing.ui.content.Contributor;
  21 import org.simantics.browsing.ui.content.ViewpointContribution;
  22 import org.simantics.browsing.ui.content.ViewpointContributionFactory;
  23 import org.simantics.browsing.ui.graph.impl.contribution.FinalViewpointContributionImpl;
  24 import org.simantics.db.ReadGraph;
  25 import org.simantics.db.exception.DatabaseException;
  26
  27 abstract public class ContextInputOutputFinalViewpointContributorImpl implements Contributor<ViewpointContributionFactory> {
  28
  29     abstract public Collection<NodeContext> getContribution(ReadGraph graph, NodeContext context);
  30
  31     abstract public String getViewpointId();
  32
  33     final private Class<?> clazz;
  34
  35     @Override
  36     public Tester getNodeContextTester() {
  37         return null;
  38     }
  39
  40     public ContextInputOutputFinalViewpointContributorImpl() {
  41         clazz = Object.class;
  42     }
  43
  44     public ContextInputOutputFinalViewpointContributorImpl(Class<?> clazz) {
  45         this.clazz = clazz;
  46     }
  47
  48     @Override
  49     public ViewpointContributionFactory getFactory() {
  50
  51         return new ViewpointContributionFactory() {
  52
  53             @Override
  54             public String getViewpointId() {
  55                 return ContextInputOutputFinalViewpointContributorImpl.this.getViewpointId();
  56             }
  57
  58             @Override
  59             public ViewpointContribution create(final PrimitiveQueryUpdater updater, NodeContext context, final ViewpointContributionKey key) {
  60
  61                 return new FinalViewpointContributionImpl(updater, context, key) {
  62
  63                     @Override
  64                     public Collection<NodeContext> children(ReadGraph graph, NodeContext context) throws DatabaseException {
  65
  66                         return ContextInputOutputFinalViewpointContributorImpl.this.getContribution(graph, context);
  67
  68                     }
  69
  70                     @Override
  71                     public Tester getNodeContextTester() {
  72                         return ContextInputOutputFinalViewpointContributorImpl.this.getNodeContextTester();
  73                     }
  74
  75                     @Override
  76                     public Class<?> getInputClass() {
  77                         return ContextInputOutputFinalViewpointContributorImpl.this.getInputClass();
  78                     }
  79
  80                 };
  81
  82             }
  83
  84         };
  85
  86     }
  87
  88     @Override
  89     public Class<?> getInputClass() {
  90         return clazz;
  91     }
  92
  93 }