bundles/org.simantics.structural.ui/src/org/simantics/structural/ui/modelBrowser/contributions/PartialEvaluatorFactory.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.structural.ui.modelBrowser.contributions;\r
  13 \r
  14 import java.util.Collection;\r
  15 \r
  16 import org.simantics.browsing.ui.common.EvaluatorImpl;\r
  17 import org.simantics.browsing.ui.common.EvaluatorData.Evaluator;\r
  18 import org.simantics.browsing.ui.common.extension.EvaluatorFactory;\r
  19 import org.simantics.browsing.ui.content.ComparableContextFactory;\r
  20 import org.simantics.browsing.ui.content.ImagerFactory;\r
  21 import org.simantics.browsing.ui.content.LabelDecoratorFactory;\r
  22 import org.simantics.utils.ReflectionUtils;\r
  23 \r
  24 public abstract class PartialEvaluatorFactory<T> implements EvaluatorFactory {\r
  25 \r
  26         final private Class<?> clazz;\r
  27 \r
  28     public PartialEvaluatorFactory() {\r
  29         clazz = ReflectionUtils.getSingleParameterType(getClass());\r
  30     }\r
  31     \r
  32         @Override\r
  33         public Evaluator create(Collection<String> browseContexts) {\r
  34                 EvaluatorImpl result = new EvaluatorImpl();\r
  35                 double preference = getPreference();\r
  36                 {\r
  37                         ComparableContextFactory factory = createComparableFactory();\r
  38                         if(factory != null)\r
  39                                 result.addComparator(factory, preference);\r
  40                 }\r
  41                 {\r
  42                         LabelDecoratorFactory factory = createLabelDecoratorFactory();\r
  43                         if(factory != null)\r
  44                                 result.addLabelDecorator(factory, preference);\r
  45                 }\r
  46                 {\r
  47                         ImagerFactory factory = createImagerFactory();\r
  48                         if(factory != null)\r
  49                                 result.addImager(factory, preference);\r
  50                 }\r
  51                 return result;\r
  52         }\r
  53         \r
  54         protected double getPreference() {\r
  55                 return 1.0;\r
  56         }\r
  57         \r
  58         protected ComparableContextFactory createComparableFactory() {\r
  59                 return null;\r
  60         }\r
  61         \r
  62         protected LabelDecoratorFactory createLabelDecoratorFactory() {\r
  63                 return null;\r
  64         }       \r
  65         \r
  66         protected ImagerFactory createImagerFactory() {\r
  67                 return null;\r
  68         }       \r
  69 \r
  70         @Override\r
  71         public Class<?> getClazz() {\r
  72                 return clazz;\r
  73         }\r
  74 \r
  75 }\r