bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/contributor/viewpoint/ContextInputFinalViewpointContributorImpl.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.common.NodeContextUtil;
  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.FinalViewpointContributionImpl;
  25 import org.simantics.db.ReadGraph;
  26 import org.simantics.db.exception.DatabaseException;
  27
  28 abstract public class ContextInputFinalViewpointContributorImpl implements Contributor<ViewpointContributionFactory> {
  29
  30     abstract public Collection<?> getContribution(ReadGraph graph, NodeContext context);
  31
  32     abstract public String getViewpointId();
  33
  34     final private Class<?> clazz;
  35
  36     @Override
  37     public Tester getNodeContextTester() {
  38         return null;
  39     }
  40
  41     public ContextInputFinalViewpointContributorImpl() {
  42         clazz = Object.class;
  43     }
  44
  45     public ContextInputFinalViewpointContributorImpl(Class<?> clazz) {
  46         this.clazz = clazz;
  47     }
  48
  49     @Override
  50     public ViewpointContributionFactory getFactory() {
  51
  52         return new ViewpointContributionFactory() {
  53
  54             @Override
  55             public String getViewpointId() {
  56                 return ContextInputFinalViewpointContributorImpl.this.getViewpointId();
  57             }
  58
  59             @Override
  60             public ViewpointContribution create(final PrimitiveQueryUpdater updater, NodeContext context, final ViewpointContributionKey key) {
  61
  62                 return new FinalViewpointContributionImpl(updater, context, key) {
  63
  64                     @Override
  65                     public Collection<NodeContext> children(ReadGraph graph, NodeContext context) throws DatabaseException {
  66
  67                         return NodeContextUtil.toContextCollectionWithInput(ContextInputFinalViewpointContributorImpl.this.getContribution(graph, context));
  68
  69
  70                     }
  71
  72                     @Override
  73                     public Tester getNodeContextTester() {
  74                         return ContextInputFinalViewpointContributorImpl.this.getNodeContextTester();
  75                     }
  76
  77                     @Override
  78                     public Class<?> getInputClass() {
  79                         return ContextInputFinalViewpointContributorImpl.this.getInputClass();
  80                     }
  81
  82                 };
  83
  84             }
  85
  86         };
  87
  88     }
  89
  90     @Override
  91     public Class<?> getInputClass() {
  92         return clazz;
  93     }
  94
  95 }