bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/contributor/viewpoint/ContextOutputViewpointContributorImpl.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.BuiltinKeys.ViewpointContributionKey;\r
  18 import org.simantics.browsing.ui.NodeContext;\r
  19 import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
  20 import org.simantics.browsing.ui.Tester;\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.ViewpointContributionImpl;\r
  25 import org.simantics.db.ReadGraph;\r
  26 import org.simantics.db.exception.DatabaseException;\r
  27 import org.simantics.layer0.Layer0;\r
  28 import org.simantics.utils.ReflectionUtils;\r
  29 \r
  30 abstract public class ContextOutputViewpointContributorImpl<T> implements Contributor<ViewpointContributionFactory> {\r
  31 \r
  32     abstract public Collection<NodeContext> getContribution(ReadGraph graph, T input) throws DatabaseException;\r
  33 \r
  34     final private Class<?> clazz;\r
  35     protected Layer0 b;\r
  36 \r
  37         public String getViewpointId() {\r
  38                 return "Standard";\r
  39         }\r
  40     \r
  41     @Override\r
  42     public Tester getNodeContextTester() {\r
  43         return null;\r
  44     }\r
  45 \r
  46     public ContextOutputViewpointContributorImpl() {\r
  47         clazz = ReflectionUtils.getSingleParameterType(getClass());\r
  48     }\r
  49 \r
  50     public ContextOutputViewpointContributorImpl(Class<?> clazz) {\r
  51         this.clazz = clazz;\r
  52     }\r
  53 \r
  54     @Override\r
  55     public ViewpointContributionFactory getFactory() {\r
  56 \r
  57         return new ViewpointContributionFactory() {\r
  58 \r
  59             @Override\r
  60             public String getViewpointId() {\r
  61                 return ContextOutputViewpointContributorImpl.this.getViewpointId();\r
  62             }\r
  63 \r
  64             @Override\r
  65             public ViewpointContribution create(final PrimitiveQueryUpdater updater, NodeContext context, final ViewpointContributionKey key) {\r
  66 \r
  67                 return new ViewpointContributionImpl(updater, context, key) {\r
  68 \r
  69                     @SuppressWarnings("unchecked")\r
  70                     @Override\r
  71                     public Collection<NodeContext> children(ReadGraph graph, NodeContext context) throws DatabaseException {\r
  72 \r
  73                         T input = (T)context.getConstant(BuiltinKeys.INPUT);\r
  74                         b = Layer0.getInstance(graph);\r
  75                         return ContextOutputViewpointContributorImpl.this.getContribution(graph, input);\r
  76 \r
  77                     }\r
  78 \r
  79                     @Override\r
  80                     public Tester getNodeContextTester() {\r
  81                         return ContextOutputViewpointContributorImpl.this.getNodeContextTester();\r
  82                     }\r
  83 \r
  84                     @Override\r
  85                     public Class<?> getInputClass() {\r
  86                         return ContextOutputViewpointContributorImpl.this.getInputClass();\r
  87                     }\r
  88 \r
  89                 };\r
  90 \r
  91             }\r
  92 \r
  93         };\r
  94 \r
  95     }\r
  96 \r
  97     @Override\r
  98     public Class<?> getInputClass() {\r
  99         return clazz;\r
 100     }\r
 101 \r
 102 }\r