bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/contributor/imager/ColumnImagerContributorImpl.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.imager;\r
  13 \r
  14 import java.util.Map;\r
  15 \r
  16 import org.eclipse.jface.resource.ImageDescriptor;\r
  17 import org.simantics.browsing.ui.BuiltinKeys;\r
  18 import org.simantics.browsing.ui.BuiltinKeys.ImagerKey;\r
  19 import org.simantics.browsing.ui.NodeContext;\r
  20 import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
  21 import org.simantics.browsing.ui.Tester;\r
  22 import org.simantics.browsing.ui.content.Contributor;\r
  23 import org.simantics.browsing.ui.content.Imager;\r
  24 import org.simantics.browsing.ui.content.ImagerFactory;\r
  25 import org.simantics.browsing.ui.graph.impl.contribution.ImagerContributionImpl;\r
  26 import org.simantics.db.ReadGraph;\r
  27 import org.simantics.db.exception.DatabaseException;\r
  28 import org.simantics.utils.ReflectionUtils;\r
  29 \r
  30 public abstract class ColumnImagerContributorImpl<T> implements Contributor<ImagerFactory> {\r
  31 \r
  32     public abstract Map<String, ImageDescriptor> getDescriptors(ReadGraph graph, T input) throws DatabaseException;\r
  33 \r
  34     final private Class<?> clazz;\r
  35 \r
  36     @Override\r
  37     public String toString() {\r
  38         return getClass().getName();\r
  39     }\r
  40 \r
  41     @Override\r
  42     public Tester getNodeContextTester() {\r
  43         return null;\r
  44     }\r
  45 \r
  46     public ColumnImagerContributorImpl() {\r
  47         clazz = ReflectionUtils.getSingleParameterType(getClass());\r
  48     }\r
  49 \r
  50     public ColumnImagerContributorImpl(Class<?> clazz) {\r
  51         this.clazz = clazz;\r
  52     }\r
  53 \r
  54     @Override\r
  55     public ImagerFactory getFactory() {\r
  56 \r
  57         return new ImagerFactory() {\r
  58 \r
  59             @Override\r
  60             public String toString() {\r
  61                 return ColumnImagerContributorImpl.this.toString();\r
  62             }\r
  63 \r
  64             @SuppressWarnings("unchecked")\r
  65             @Override\r
  66             public Imager create(final PrimitiveQueryUpdater updater, NodeContext context, final ImagerKey key) {\r
  67 \r
  68                 return new ImagerContributionImpl(updater, context, key) {\r
  69 \r
  70                     @Override\r
  71                     public Map<String, ImageDescriptor> getDescriptors(ReadGraph graph, NodeContext context) throws DatabaseException {\r
  72 \r
  73                         T input = (T)context.getConstant(BuiltinKeys.INPUT);\r
  74 \r
  75                         return ColumnImagerContributorImpl.this.getDescriptors(graph, input);\r
  76 \r
  77                     }\r
  78 \r
  79                 };\r
  80 \r
  81             }\r
  82 \r
  83         };\r
  84 \r
  85     }\r
  86 \r
  87     @Override\r
  88     public Class<?> getInputClass() {\r
  89         return clazz;\r
  90     }\r
  91 \r
  92 }\r