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