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